diff --git a/.gitpod.Dockerfile b/.gitpod.Dockerfile
index f354b0fc..c70a8198 100644
--- a/.gitpod.Dockerfile
+++ b/.gitpod.Dockerfile
@@ -1,7 +1,7 @@
 FROM gitpod/workspace-full:2023-01-16-03-31-28
 
 RUN mkdir -p ~/.local/bin
-RUN curl -L https://github.com/stellar/soroban-tools/releases/download/v20.0.0-rc2/soroban-cli-20.0.0-rc2-x86_64-unknown-linux-gnu.tar.gz | tar xz -C ~/.local/bin soroban
+RUN curl -L https://github.com/stellar/soroban-tools/releases/download/v20.0.0/soroban-cli-20.0.0-x86_64-unknown-linux-gnu.tar.gz | tar xz -C ~/.local/bin soroban
 RUN chmod +x ~/.local/bin/soroban
 RUN curl -L https://github.com/mozilla/sccache/releases/download/v0.3.3/sccache-v0.3.3-x86_64-unknown-linux-musl.tar.gz | tar xz --strip-components 1 -C ~/.local/bin sccache-v0.3.3-x86_64-unknown-linux-musl/sccache
 RUN chmod +x ~/.local/bin/sccache
diff --git a/account/Cargo.lock b/account/Cargo.lock
index da658cb6..a0966dc6 100644
--- a/account/Cargo.lock
+++ b/account/Cargo.lock
@@ -4,9 +4,9 @@ version = 3
 
 [[package]]
 name = "addr2line"
-version = "0.19.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a76fd60b23679b7d19bd066031410fb7e458ccc5e958eb5c325888ce4baedc97"
+checksum = "8a30b2e23b9e17a9f90641c7ab1549cd9b44f296d3ccbf309d2863cfe398a0cb"
 dependencies = [
  "gimli",
 ]
@@ -28,9 +28,9 @@ dependencies = [
 
 [[package]]
 name = "arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2d098ff73c1ca148721f37baad5ea6a465a13f9573aba8641fbbbae8164a54e"
+checksum = "7d5a26814d8dcb93b0e5a0ff3c6d80a8843bafb21b39e8e18a6f05471870e110"
 dependencies = [
  "derive_arbitrary",
 ]
@@ -43,9 +43,9 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "backtrace"
-version = "0.3.67"
+version = "0.3.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "233d376d6d185f2a3093e58f283f60f880315b6c60075b01f36b3b85154564ca"
+checksum = "2089b7e3f35b9dd2d0ed921ead4f6d318c27680d4a5bd167b3ee120edb105837"
 dependencies = [
  "addr2line",
  "cc",
@@ -125,7 +125,7 @@ dependencies = [
  "num-bigint",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -224,7 +224,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1586fa608b1dab41f667475b4a41faec5ba680aee428bfa5de4ea520fdc6e901"
 dependencies = [
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -242,9 +242,9 @@ dependencies = [
 
 [[package]]
 name = "curve25519-dalek"
-version = "4.0.0"
+version = "4.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f711ade317dd348950a9910f81c5947e3d8907ebd2b83f76203ff1807e6a2bc2"
+checksum = "e89b8c6a2e4b1f45971ad09761aafb85514a84744b67a95e32c3cc1352d1f65c"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -265,7 +265,7 @@ checksum = "83fdaf97f4804dcebfa5862639bc9ce4121e82140bec2a987ac5140294865b5b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -292,7 +292,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "scratch",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -309,7 +309,7 @@ checksum = "2345488264226bf682893e25de0769f3360aac9957980ec49361b083ddaa5bc5"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -333,7 +333,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "strsim",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -344,7 +344,7 @@ checksum = "29a358ff9f12ec09c3e61fef9b5a9902623a695a46a917b07f269bff1445611a"
 dependencies = [
  "darling_core",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -359,13 +359,13 @@ dependencies = [
 
 [[package]]
 name = "derive_arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3cdeb9ec472d588e539a818b2dee436825730da08ad0017c4b1a17676bdc8b7"
+checksum = "67e77553c4162a157adbf834ebae5b415acbecbeafc7a74b0e886657506a7611"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -448,11 +448,11 @@ version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7277392b266383ef8396db7fdeb1e77b6c52fed775f5df15bb24f35b72156980"
 dependencies = [
- "curve25519-dalek 4.0.0",
+ "curve25519-dalek 4.1.1",
  "ed25519 2.2.2",
  "rand_core 0.6.4",
  "serde",
- "sha2 0.10.7",
+ "sha2 0.10.8",
  "zeroize",
 ]
 
@@ -481,11 +481,23 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
+[[package]]
+name = "escape-bytes"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bfcf67fea2815c2fc3b90873fae90957be12ff417335dfadc7f52927feb03b2"
+
 [[package]]
 name = "ethnum"
-version = "1.3.2"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0198b9d0078e0f30dedc7acbb21c974e838fc8fae3ee170128658a98cb2c1c04"
+checksum = "b90ca2580b73ab6a1f724b76ca11ab632df820fd6040c336200d2c1df7b3c82c"
 
 [[package]]
 name = "ff"
@@ -499,9 +511,9 @@ dependencies = [
 
 [[package]]
 name = "fiat-crypto"
-version = "0.1.20"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e825f6987101665dea6ec934c09ec6d721de7bc1bf92248e1d5810c8cd636b77"
+checksum = "27573eac26f4dd11e2b1916c3fe1baa56407c83c71a773a8ba17ec0bca03b6b7"
 
 [[package]]
 name = "fnv"
@@ -533,9 +545,9 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.10"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
+checksum = "fe9006bed769170c11f845cf00c7c1e9092aeb3f268e007c3e760ac68008070f"
 dependencies = [
  "cfg-if",
  "js-sys",
@@ -546,9 +558,9 @@ dependencies = [
 
 [[package]]
 name = "gimli"
-version = "0.27.2"
+version = "0.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad0a93d233ebf96623465aad4046a8d3aa4da22d4f4beba5388838c8a434bbb4"
+checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
 
 [[package]]
 name = "group"
@@ -567,6 +579,12 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "hashbrown"
+version = "0.14.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
+
 [[package]]
 name = "hex"
 version = "0.4.3"
@@ -576,6 +594,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "hex-literal"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fe2267d4ed49bc07b63801559be28c718ea06c4738b7a03c94df7386d2cde46"
+
 [[package]]
 name = "hmac"
 version = "0.12.1"
@@ -622,7 +646,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
 dependencies = [
  "autocfg",
- "hashbrown",
+ "hashbrown 0.12.3",
+ "serde",
+]
+
+[[package]]
+name = "indexmap"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d530e1a18b1cb4c484e6e34556a0d948706958449fca0cab753d649f2bce3d1f"
+dependencies = [
+ "equivalent",
+ "hashbrown 0.14.3",
  "serde",
 ]
 
@@ -634,9 +669,9 @@ checksum = "8e04e2fd2b8188ea827b32ef11de88377086d690286ab35747ef7f9bf3ccb590"
 
 [[package]]
 name = "itertools"
-version = "0.10.5"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+checksum = "b1c173a5686ce8bfa551b3563d0c2170bf24ca44da99c7ca4bfdab5418c3fe57"
 dependencies = [
  "either",
 ]
@@ -666,7 +701,7 @@ dependencies = [
  "ecdsa",
  "elliptic-curve",
  "once_cell",
- "sha2 0.10.7",
+ "sha2 0.10.8",
  "signature 2.1.0",
 ]
 
@@ -681,9 +716,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.147"
+version = "0.2.150"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
+checksum = "89d92a4743f9a61002fae18374ed11e7973f530cb3a3255fb354818118b2203c"
 
 [[package]]
 name = "libm"
@@ -717,9 +752,9 @@ checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
 name = "miniz_oxide"
-version = "0.6.2"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b275950c28b37e794e8c55d88aeb5e139d0ce23fdbbeda68f8d7174abdf9e8fa"
+checksum = "e7810e0be55b428ada41041c41f32c9f1a42817901b4ccf45fa3d4b6561e74c7"
 dependencies = [
  "adler",
 ]
@@ -737,13 +772,13 @@ dependencies = [
 
 [[package]]
 name = "num-derive"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e6a0fd4f737c707bd9086cc16c925f294943eb62eb71499e9fd4cf71f8b9f4e"
+checksum = "cfb77679af88f8b125209d354a202862602672222e7f2313fdd6dc349bad4712"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -758,18 +793,18 @@ dependencies = [
 
 [[package]]
 name = "num-traits"
-version = "0.2.15"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
+checksum = "39e3200413f237f41ab11ad6d161bc7239c84dcb631773ccd7de3dfe4b5c267c"
 dependencies = [
  "autocfg",
 ]
 
 [[package]]
 name = "object"
-version = "0.30.3"
+version = "0.32.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea86265d3d3dcb6a27fc51bd29a4bf387fae9d2986b823079d4986af253eb439"
+checksum = "9cf5f9dd3933bd50a9e1f149ec995f39ae2c496d31fd772c1fd45ebc27e902b0"
 dependencies = [
  "memchr",
 ]
@@ -821,23 +856,23 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1ceca8aaf45b5c46ec7ed39fff75f57290368c1846d33d24a122ca81416ab058"
 dependencies = [
  "proc-macro2",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.56"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b63bdb0cd06f1f4dedf69b254734f9b45af66e4a031e42a7480257d9898b435"
+checksum = "134c189feb4956b20f6f547d2cf727d4c0fe06722b20a0eec87ed445a97f92da"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.26"
+version = "1.0.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4424af4bf778aae2051a77b60283332f386554255d722233d09fbfc7e30da2fc"
+checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
 dependencies = [
  "proc-macro2",
 ]
@@ -901,7 +936,7 @@ version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
 dependencies = [
- "getrandom 0.2.10",
+ "getrandom 0.2.11",
 ]
 
 [[package]]
@@ -972,29 +1007,29 @@ checksum = "bebd363326d05ec3e2f532ab7660680f3b02130d780c299bca73469d521bc0ed"
 
 [[package]]
 name = "serde"
-version = "1.0.160"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb2f3770c8bce3bcda7e149193a069a0f4365bda1fa5cd88e03bca26afc1216c"
+checksum = "bca2a08484b285dcb282d0f67b26cadc0df8b19f8c12502c13d966bf9482f001"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.160"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "291a097c63d8497e00160b166a967a4a79c64f3facdd01cbd7502231688d77df"
+checksum = "d6c7207fbec9faa48073f3e3074cbe553af6ea512d7c21ba46e434e70ea9fbc1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.96"
+version = "1.0.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "057d394a50403bcac12672b2b18fb387ab6d289d957dab67dd201875391e52f1"
+checksum = "3d1c7e3eac408d115102c4c24ad393e0821bb3a5df4d506a80f85f7a742a526b"
 dependencies = [
  "itoa",
  "ryu",
@@ -1003,14 +1038,15 @@ dependencies = [
 
 [[package]]
 name = "serde_with"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f02d8aa6e3c385bf084924f660ce2a3a6bd333ba55b35e8590b321f35d88513"
+checksum = "64cd236ccc1b7a29e7e2739f27c0b2dd199804abc4290e32f59f3b68d6405c23"
 dependencies = [
  "base64 0.21.0",
  "chrono",
  "hex",
- "indexmap",
+ "indexmap 1.9.3",
+ "indexmap 2.1.0",
  "serde",
  "serde_json",
  "serde_with_macros",
@@ -1019,14 +1055,14 @@ dependencies = [
 
 [[package]]
 name = "serde_with_macros"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edc7d5d3932fb12ce722ee5e64dd38c504efba37567f0c402f6ca728c3b8b070"
+checksum = "93634eb5f75a2323b16de4748022ac4297f9e76b6dced2be287a099f41b5e788"
 dependencies = [
  "darling",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -1044,9 +1080,9 @@ dependencies = [
 
 [[package]]
 name = "sha2"
-version = "0.10.7"
+version = "0.10.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "479fb9d862239e610720565ca91403019f2f00410f1864c5aa7479b950a76ed8"
+checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -1094,11 +1130,23 @@ dependencies = [
  "soroban-sdk",
 ]
 
+[[package]]
+name = "soroban-builtin-sdk-macros"
+version = "20.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b42487d6b0268748f753feeb579c6f7908dbb002faf20b703e6a7185b12f0527"
+dependencies = [
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.39",
+]
+
 [[package]]
 name = "soroban-env-common"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2508a41765935d3bef43b2264667c4603725cf7ddd851321f1dc2b3bca8bb88"
+checksum = "5bb493483fa3e3ebfb4c081472495d14b0abcfbe04ba142a56ff63056cc62700"
 dependencies = [
  "arbitrary",
  "crate-git-revision",
@@ -1114,9 +1162,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-guest"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b41f1b3ebb747487ff9920822112a5816030e053734ed63c05f1a7db476f2768"
+checksum = "3f31a738ef5faf4084c4b1824a8e3f93dfff0261a3909e86060f818e728479a3"
 dependencies = [
  "soroban-env-common",
  "static_assertions",
@@ -1124,23 +1172,26 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-host"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "347fc729270de2fc8e312ba1872ef90fdc8dfcd0dacdd07a3bb7a038c41ea6d6"
+checksum = "bdd1172a76c0bc2ce67ec7f28ca37dddbe9fefabe583f80434f5f60aaee3547e"
 dependencies = [
  "backtrace",
+ "curve25519-dalek 4.1.1",
  "ed25519-dalek 2.0.0",
- "getrandom 0.2.10",
+ "getrandom 0.2.11",
+ "hex-literal",
+ "hmac",
  "k256",
  "num-derive",
  "num-integer",
  "num-traits",
  "rand 0.8.5",
  "rand_chacha 0.3.1",
- "sha2 0.10.7",
+ "sha2 0.10.8",
  "sha3",
+ "soroban-builtin-sdk-macros",
  "soroban-env-common",
- "soroban-native-sdk-macros",
  "soroban-wasmi",
  "static_assertions",
  "stellar-strkey",
@@ -1148,9 +1199,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f16b7a75d77ae47143a07f92a35661c21e965f63bb4362d8491188a993687745"
+checksum = "5c0536648cea69ab3bae1801d35f92c0a31e7449cd2c7d14a18fb5e413f43279"
 dependencies = [
  "itertools",
  "proc-macro2",
@@ -1158,45 +1209,36 @@ dependencies = [
  "serde",
  "serde_json",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "soroban-ledger-snapshot"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d202c5870aeec1cb97bfd06a94b8fe691c513ba6da8638deb07d8660e90056ba"
+checksum = "37960eec21d7dc5dbd976fa16e38c056429663a89243798486b07afbb263c9b5"
 dependencies = [
  "serde",
  "serde_json",
+ "serde_with",
  "soroban-env-common",
  "soroban-env-host",
  "thiserror",
 ]
 
-[[package]]
-name = "soroban-native-sdk-macros"
-version = "20.0.0-rc2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe8cf96e5c9308347bc6fa0735d0591475a20b43ed00f96ad2df623bbe9c1e88"
-dependencies = [
- "itertools",
- "proc-macro2",
- "quote",
- "syn 2.0.15",
-]
-
 [[package]]
 name = "soroban-sdk"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d771d43a66ba0df14ff28ac1b37a6568da00afa12f28273a67fe92853ab28f8"
+checksum = "f08e1fdb18dbee88160ea6640962faf021a49f22eb1bd212c4d8b0cef32c582c"
 dependencies = [
  "arbitrary",
  "bytes-lit",
  "ctor",
  "ed25519-dalek 2.0.0",
  "rand 0.8.5",
+ "serde",
+ "serde_json",
  "soroban-env-guest",
  "soroban-env-host",
  "soroban-ledger-snapshot",
@@ -1206,9 +1248,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-sdk-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf5a6dd2e08217fdd75f3f849256dda2614badda9095df233a47c7c8f9783493"
+checksum = "6c5cae44f304f2fd32f9cfa9a31a9b58eb1c10aa07a7d5b591921cf7fa649e44"
 dependencies = [
  "crate-git-revision",
  "darling",
@@ -1216,19 +1258,19 @@ dependencies = [
  "proc-macro2",
  "quote",
  "rustc_version",
- "sha2 0.10.7",
+ "sha2 0.10.8",
  "soroban-env-common",
  "soroban-spec",
  "soroban-spec-rust",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "soroban-spec"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e2a55aab81d7cd1df66f85de3d815fb08fc5fa412270dc374e031e27528c711"
+checksum = "7539cfa0abe36f3d33c49fe1253f6b652c91c9a9841fe83dedc1799b7f4bb55f"
 dependencies = [
  "base64 0.13.1",
  "stellar-xdr",
@@ -1238,25 +1280,25 @@ dependencies = [
 
 [[package]]
 name = "soroban-spec-rust"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1bcfa549d3362e6eafa3a51ad29d571f3dbae2cb9fe33d9f94c00a9f742f71df"
+checksum = "eb6189ef3ede0061db14b0cf9fa2692a2cb6c6e8d941689f0c9ca82b68c47ab2"
 dependencies = [
  "prettyplease",
  "proc-macro2",
  "quote",
- "sha2 0.10.7",
+ "sha2 0.10.8",
  "soroban-spec",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
  "thiserror",
 ]
 
 [[package]]
 name = "soroban-wasmi"
-version = "0.31.0-soroban1"
+version = "0.31.1-soroban.20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b6e3e79c1f227ec98ea1e8fbf43d0267b9ca748616c9c8c0162fa2a8ca4d5d2"
+checksum = "c1aaa682a67cbd2173f1d60cb1e7b951d490d7c4e0b7b6f5387cbb952e963c46"
 dependencies = [
  "smallvec",
  "spin",
@@ -1289,26 +1331,29 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "stellar-strkey"
-version = "0.0.7"
+version = "0.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c0689070126ca7f2effc2c5726584446db52190f0cef043c02eb4040a711c11"
+checksum = "12d2bf45e114117ea91d820a846fd1afbe3ba7d717988fee094ce8227a3bf8bd"
 dependencies = [
  "base32",
+ "crate-git-revision",
  "thiserror",
 ]
 
 [[package]]
 name = "stellar-xdr"
-version = "20.0.0-rc1"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e09a3734914a7427dbcd4f06b6dcd2b1cf38e934202f6abe4d73658f718b6113"
+checksum = "9595b775539e475da4179fa46212b11e4575f526d57b13308989a8c1dd59238c"
 dependencies = [
  "arbitrary",
  "base64 0.13.1",
  "crate-git-revision",
+ "escape-bytes",
  "hex",
  "serde",
  "serde_with",
+ "stellar-strkey",
 ]
 
 [[package]]
@@ -1336,9 +1381,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.15"
+version = "2.0.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a34fcf3e8b60f57e6a14301a2e916d323af98b0ea63c599441eec8558660c822"
+checksum = "23e78b90f2fcf45d3e842032ce32e3f2d1545ba6636271dcbf24fa306d87be7a"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1371,7 +1416,7 @@ checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -1515,7 +1560,7 @@ version = "0.88.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb8cf7dd82407fe68161bedcd57fde15596f32ebf6e9b3bdbf3ae1da20e38e5e"
 dependencies = [
- "indexmap",
+ "indexmap 1.9.3",
 ]
 
 [[package]]
@@ -1641,5 +1686,5 @@ checksum = "ce36e65b0d2999d2aafac989fb249189a141aee1f53c612c1f37d72631959f69"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
diff --git a/account/Cargo.toml b/account/Cargo.toml
index 795cbd77..90dc3aee 100644
--- a/account/Cargo.toml
+++ b/account/Cargo.toml
@@ -11,10 +11,10 @@ crate-type = ["cdylib"]
 doctest = false
 
 [dependencies]
-soroban-sdk = { version = "20.0.0-rc2" }
+soroban-sdk = { version = "20.0.0" }
 
 [dev_dependencies]
-soroban-sdk = { version = "20.0.0-rc2", features = ["testutils"] }
+soroban-sdk = { version = "20.0.0", features = ["testutils"] }
 ed25519-dalek = { version = "1.0.1" }
 rand = { version = "0.7.3" }
 
diff --git a/account/src/test.rs b/account/src/test.rs
index 38710367..58878817 100644
--- a/account/src/test.rs
+++ b/account/src/test.rs
@@ -66,14 +66,14 @@ fn test_token_auth() {
     ]);
 
     let payload = BytesN::random(&env);
-    let token = Address::random(&env);
+    let token = Address::generate(&env);
     // `__check_auth` can't be called directly, hence we need to use
     // `try_invoke_contract_check_auth` testing utility that emulates being
     // called by the Soroban host during a `require_auth` call.
     env.try_invoke_contract_check_auth::<AccError>(
-        &account_contract.address.contract_id(),
+        &account_contract.address,
         &payload,
-        &vec![&env, sign(&env, &signers[0], &payload)],
+        vec![&env, sign(&env, &signers[0], &payload)].into(),
         &vec![
             &env,
             token_auth_context(&env, &token, Symbol::new(&env, "transfer"), 1000),
@@ -81,9 +81,9 @@ fn test_token_auth() {
     )
     .unwrap();
     env.try_invoke_contract_check_auth::<AccError>(
-        &account_contract.address.contract_id(),
+        &account_contract.address,
         &payload,
-        &vec![&env, sign(&env, &signers[0], &payload)],
+        vec![&env, sign(&env, &signers[0], &payload)].into(),
         &vec![
             &env,
             token_auth_context(&env, &token, Symbol::new(&env, "transfer"), 1000),
@@ -114,9 +114,9 @@ fn test_token_auth() {
     // than 1000 units.
     assert_eq!(
         env.try_invoke_contract_check_auth::<AccError>(
-            &account_contract.address.contract_id(),
+            &account_contract.address,
             &payload,
-            &vec![&env, sign(&env, &signers[0], &payload)],
+            vec![&env, sign(&env, &signers[0], &payload)].into(),
             &vec![
                 &env,
                 token_auth_context(&env, &token, Symbol::new(&env, "transfer"), 1001)
@@ -129,9 +129,9 @@ fn test_token_auth() {
     );
     assert_eq!(
         env.try_invoke_contract_check_auth::<AccError>(
-            &account_contract.address.contract_id(),
+            &account_contract.address,
             &payload,
-            &vec![&env, sign(&env, &signers[0], &payload)],
+            vec![&env, sign(&env, &signers[0], &payload)].into(),
             &vec![
                 &env,
                 token_auth_context(&env, &token, Symbol::new(&env, "approve"), 1001)
@@ -145,9 +145,9 @@ fn test_token_auth() {
 
     // 1 signer can still transfer 1000 units.
     env.try_invoke_contract_check_auth::<AccError>(
-        &account_contract.address.contract_id(),
+        &account_contract.address,
         &payload,
-        &vec![&env, sign(&env, &signers[0], &payload)],
+        vec![&env, sign(&env, &signers[0], &payload)].into(),
         &vec![
             &env,
             token_auth_context(&env, &token, Symbol::new(&env, "approve"), 1000),
@@ -156,13 +156,14 @@ fn test_token_auth() {
     .unwrap();
     // 2 signers can transfer any amount of token.
     env.try_invoke_contract_check_auth::<AccError>(
-        &account_contract.address.contract_id(),
+        &account_contract.address,
         &payload,
-        &vec![
+        vec![
             &env,
             sign(&env, &signers[0], &payload),
             sign(&env, &signers[1], &payload),
-        ],
+        ]
+        .into(),
         &vec![
             &env,
             token_auth_context(&env, &token, Symbol::new(&env, "transfer"), 10000),
diff --git a/atomic_multiswap/Cargo.lock b/atomic_multiswap/Cargo.lock
index adb3eba8..c6e443c2 100644
--- a/atomic_multiswap/Cargo.lock
+++ b/atomic_multiswap/Cargo.lock
@@ -4,9 +4,9 @@ version = 3
 
 [[package]]
 name = "addr2line"
-version = "0.19.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a76fd60b23679b7d19bd066031410fb7e458ccc5e958eb5c325888ce4baedc97"
+checksum = "8a30b2e23b9e17a9f90641c7ab1549cd9b44f296d3ccbf309d2863cfe398a0cb"
 dependencies = [
  "gimli",
 ]
@@ -37,9 +37,9 @@ dependencies = [
 
 [[package]]
 name = "arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2d098ff73c1ca148721f37baad5ea6a465a13f9573aba8641fbbbae8164a54e"
+checksum = "7d5a26814d8dcb93b0e5a0ff3c6d80a8843bafb21b39e8e18a6f05471870e110"
 dependencies = [
  "derive_arbitrary",
 ]
@@ -61,9 +61,9 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "backtrace"
-version = "0.3.67"
+version = "0.3.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "233d376d6d185f2a3093e58f283f60f880315b6c60075b01f36b3b85154564ca"
+checksum = "2089b7e3f35b9dd2d0ed921ead4f6d318c27680d4a5bd167b3ee120edb105837"
 dependencies = [
  "addr2line",
  "cc",
@@ -128,7 +128,7 @@ dependencies = [
  "num-bigint",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -227,14 +227,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1586fa608b1dab41f667475b4a41faec5ba680aee428bfa5de4ea520fdc6e901"
 dependencies = [
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "curve25519-dalek"
-version = "4.0.0"
+version = "4.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f711ade317dd348950a9910f81c5947e3d8907ebd2b83f76203ff1807e6a2bc2"
+checksum = "e89b8c6a2e4b1f45971ad09761aafb85514a84744b67a95e32c3cc1352d1f65c"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -255,7 +255,7 @@ checksum = "83fdaf97f4804dcebfa5862639bc9ce4121e82140bec2a987ac5140294865b5b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -282,7 +282,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "scratch",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -299,7 +299,7 @@ checksum = "2345488264226bf682893e25de0769f3360aac9957980ec49361b083ddaa5bc5"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -323,7 +323,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "strsim",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -334,7 +334,7 @@ checksum = "29a358ff9f12ec09c3e61fef9b5a9902623a695a46a917b07f269bff1445611a"
 dependencies = [
  "darling_core",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -349,13 +349,13 @@ dependencies = [
 
 [[package]]
 name = "derive_arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3cdeb9ec472d588e539a818b2dee436825730da08ad0017c4b1a17676bdc8b7"
+checksum = "67e77553c4162a157adbf834ebae5b415acbecbeafc7a74b0e886657506a7611"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -439,11 +439,23 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
+[[package]]
+name = "escape-bytes"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bfcf67fea2815c2fc3b90873fae90957be12ff417335dfadc7f52927feb03b2"
+
 [[package]]
 name = "ethnum"
-version = "1.3.2"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0198b9d0078e0f30dedc7acbb21c974e838fc8fae3ee170128658a98cb2c1c04"
+checksum = "b90ca2580b73ab6a1f724b76ca11ab632df820fd6040c336200d2c1df7b3c82c"
 
 [[package]]
 name = "ff"
@@ -457,9 +469,9 @@ dependencies = [
 
 [[package]]
 name = "fiat-crypto"
-version = "0.1.20"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e825f6987101665dea6ec934c09ec6d721de7bc1bf92248e1d5810c8cd636b77"
+checksum = "27573eac26f4dd11e2b1916c3fe1baa56407c83c71a773a8ba17ec0bca03b6b7"
 
 [[package]]
 name = "fnv"
@@ -480,9 +492,9 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.10"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
+checksum = "fe9006bed769170c11f845cf00c7c1e9092aeb3f268e007c3e760ac68008070f"
 dependencies = [
  "cfg-if",
  "js-sys",
@@ -493,9 +505,9 @@ dependencies = [
 
 [[package]]
 name = "gimli"
-version = "0.27.2"
+version = "0.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad0a93d233ebf96623465aad4046a8d3aa4da22d4f4beba5388838c8a434bbb4"
+checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
 
 [[package]]
 name = "group"
@@ -514,6 +526,12 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "hashbrown"
+version = "0.14.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
+
 [[package]]
 name = "hex"
 version = "0.4.3"
@@ -523,6 +541,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "hex-literal"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fe2267d4ed49bc07b63801559be28c718ea06c4738b7a03c94df7386d2cde46"
+
 [[package]]
 name = "hmac"
 version = "0.12.1"
@@ -569,7 +593,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
 dependencies = [
  "autocfg",
- "hashbrown",
+ "hashbrown 0.12.3",
+ "serde",
+]
+
+[[package]]
+name = "indexmap"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d530e1a18b1cb4c484e6e34556a0d948706958449fca0cab753d649f2bce3d1f"
+dependencies = [
+ "equivalent",
+ "hashbrown 0.14.3",
  "serde",
 ]
 
@@ -581,9 +616,9 @@ checksum = "8e04e2fd2b8188ea827b32ef11de88377086d690286ab35747ef7f9bf3ccb590"
 
 [[package]]
 name = "itertools"
-version = "0.10.5"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+checksum = "b1c173a5686ce8bfa551b3563d0c2170bf24ca44da99c7ca4bfdab5418c3fe57"
 dependencies = [
  "either",
 ]
@@ -628,9 +663,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.147"
+version = "0.2.150"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
+checksum = "89d92a4743f9a61002fae18374ed11e7973f530cb3a3255fb354818118b2203c"
 
 [[package]]
 name = "libm"
@@ -664,9 +699,9 @@ checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
 name = "miniz_oxide"
-version = "0.6.2"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b275950c28b37e794e8c55d88aeb5e139d0ce23fdbbeda68f8d7174abdf9e8fa"
+checksum = "e7810e0be55b428ada41041c41f32c9f1a42817901b4ccf45fa3d4b6561e74c7"
 dependencies = [
  "adler",
 ]
@@ -684,13 +719,13 @@ dependencies = [
 
 [[package]]
 name = "num-derive"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e6a0fd4f737c707bd9086cc16c925f294943eb62eb71499e9fd4cf71f8b9f4e"
+checksum = "cfb77679af88f8b125209d354a202862602672222e7f2313fdd6dc349bad4712"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -705,18 +740,18 @@ dependencies = [
 
 [[package]]
 name = "num-traits"
-version = "0.2.15"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
+checksum = "39e3200413f237f41ab11ad6d161bc7239c84dcb631773ccd7de3dfe4b5c267c"
 dependencies = [
  "autocfg",
 ]
 
 [[package]]
 name = "object"
-version = "0.30.3"
+version = "0.32.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea86265d3d3dcb6a27fc51bd29a4bf387fae9d2986b823079d4986af253eb439"
+checksum = "9cf5f9dd3933bd50a9e1f149ec995f39ae2c496d31fd772c1fd45ebc27e902b0"
 dependencies = [
  "memchr",
 ]
@@ -762,23 +797,23 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1ceca8aaf45b5c46ec7ed39fff75f57290368c1846d33d24a122ca81416ab058"
 dependencies = [
  "proc-macro2",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.56"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b63bdb0cd06f1f4dedf69b254734f9b45af66e4a031e42a7480257d9898b435"
+checksum = "134c189feb4956b20f6f547d2cf727d4c0fe06722b20a0eec87ed445a97f92da"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.26"
+version = "1.0.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4424af4bf778aae2051a77b60283332f386554255d722233d09fbfc7e30da2fc"
+checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
 dependencies = [
  "proc-macro2",
 ]
@@ -872,29 +907,29 @@ checksum = "bebd363326d05ec3e2f532ab7660680f3b02130d780c299bca73469d521bc0ed"
 
 [[package]]
 name = "serde"
-version = "1.0.160"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb2f3770c8bce3bcda7e149193a069a0f4365bda1fa5cd88e03bca26afc1216c"
+checksum = "bca2a08484b285dcb282d0f67b26cadc0df8b19f8c12502c13d966bf9482f001"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.160"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "291a097c63d8497e00160b166a967a4a79c64f3facdd01cbd7502231688d77df"
+checksum = "d6c7207fbec9faa48073f3e3074cbe553af6ea512d7c21ba46e434e70ea9fbc1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.96"
+version = "1.0.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "057d394a50403bcac12672b2b18fb387ab6d289d957dab67dd201875391e52f1"
+checksum = "3d1c7e3eac408d115102c4c24ad393e0821bb3a5df4d506a80f85f7a742a526b"
 dependencies = [
  "itoa",
  "ryu",
@@ -903,14 +938,15 @@ dependencies = [
 
 [[package]]
 name = "serde_with"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f02d8aa6e3c385bf084924f660ce2a3a6bd333ba55b35e8590b321f35d88513"
+checksum = "64cd236ccc1b7a29e7e2739f27c0b2dd199804abc4290e32f59f3b68d6405c23"
 dependencies = [
  "base64 0.21.0",
  "chrono",
  "hex",
- "indexmap",
+ "indexmap 1.9.3",
+ "indexmap 2.1.0",
  "serde",
  "serde_json",
  "serde_with_macros",
@@ -919,21 +955,21 @@ dependencies = [
 
 [[package]]
 name = "serde_with_macros"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edc7d5d3932fb12ce722ee5e64dd38c504efba37567f0c402f6ca728c3b8b070"
+checksum = "93634eb5f75a2323b16de4748022ac4297f9e76b6dced2be287a099f41b5e788"
 dependencies = [
  "darling",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "sha2"
-version = "0.10.7"
+version = "0.10.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "479fb9d862239e610720565ca91403019f2f00410f1864c5aa7479b950a76ed8"
+checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -974,11 +1010,23 @@ dependencies = [
  "soroban-sdk",
 ]
 
+[[package]]
+name = "soroban-builtin-sdk-macros"
+version = "20.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b42487d6b0268748f753feeb579c6f7908dbb002faf20b703e6a7185b12f0527"
+dependencies = [
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.39",
+]
+
 [[package]]
 name = "soroban-env-common"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2508a41765935d3bef43b2264667c4603725cf7ddd851321f1dc2b3bca8bb88"
+checksum = "5bb493483fa3e3ebfb4c081472495d14b0abcfbe04ba142a56ff63056cc62700"
 dependencies = [
  "arbitrary",
  "crate-git-revision",
@@ -994,9 +1042,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-guest"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b41f1b3ebb747487ff9920822112a5816030e053734ed63c05f1a7db476f2768"
+checksum = "3f31a738ef5faf4084c4b1824a8e3f93dfff0261a3909e86060f818e728479a3"
 dependencies = [
  "soroban-env-common",
  "static_assertions",
@@ -1004,13 +1052,16 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-host"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "347fc729270de2fc8e312ba1872ef90fdc8dfcd0dacdd07a3bb7a038c41ea6d6"
+checksum = "bdd1172a76c0bc2ce67ec7f28ca37dddbe9fefabe583f80434f5f60aaee3547e"
 dependencies = [
  "backtrace",
+ "curve25519-dalek",
  "ed25519-dalek",
  "getrandom",
+ "hex-literal",
+ "hmac",
  "k256",
  "num-derive",
  "num-integer",
@@ -1019,8 +1070,8 @@ dependencies = [
  "rand_chacha",
  "sha2",
  "sha3",
+ "soroban-builtin-sdk-macros",
  "soroban-env-common",
- "soroban-native-sdk-macros",
  "soroban-wasmi",
  "static_assertions",
  "stellar-strkey",
@@ -1028,9 +1079,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f16b7a75d77ae47143a07f92a35661c21e965f63bb4362d8491188a993687745"
+checksum = "5c0536648cea69ab3bae1801d35f92c0a31e7449cd2c7d14a18fb5e413f43279"
 dependencies = [
  "itertools",
  "proc-macro2",
@@ -1038,45 +1089,36 @@ dependencies = [
  "serde",
  "serde_json",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "soroban-ledger-snapshot"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d202c5870aeec1cb97bfd06a94b8fe691c513ba6da8638deb07d8660e90056ba"
+checksum = "37960eec21d7dc5dbd976fa16e38c056429663a89243798486b07afbb263c9b5"
 dependencies = [
  "serde",
  "serde_json",
+ "serde_with",
  "soroban-env-common",
  "soroban-env-host",
  "thiserror",
 ]
 
-[[package]]
-name = "soroban-native-sdk-macros"
-version = "20.0.0-rc2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe8cf96e5c9308347bc6fa0735d0591475a20b43ed00f96ad2df623bbe9c1e88"
-dependencies = [
- "itertools",
- "proc-macro2",
- "quote",
- "syn 2.0.15",
-]
-
 [[package]]
 name = "soroban-sdk"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d771d43a66ba0df14ff28ac1b37a6568da00afa12f28273a67fe92853ab28f8"
+checksum = "f08e1fdb18dbee88160ea6640962faf021a49f22eb1bd212c4d8b0cef32c582c"
 dependencies = [
  "arbitrary",
  "bytes-lit",
  "ctor",
  "ed25519-dalek",
  "rand",
+ "serde",
+ "serde_json",
  "soroban-env-guest",
  "soroban-env-host",
  "soroban-ledger-snapshot",
@@ -1086,9 +1128,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-sdk-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf5a6dd2e08217fdd75f3f849256dda2614badda9095df233a47c7c8f9783493"
+checksum = "6c5cae44f304f2fd32f9cfa9a31a9b58eb1c10aa07a7d5b591921cf7fa649e44"
 dependencies = [
  "crate-git-revision",
  "darling",
@@ -1101,14 +1143,14 @@ dependencies = [
  "soroban-spec",
  "soroban-spec-rust",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "soroban-spec"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e2a55aab81d7cd1df66f85de3d815fb08fc5fa412270dc374e031e27528c711"
+checksum = "7539cfa0abe36f3d33c49fe1253f6b652c91c9a9841fe83dedc1799b7f4bb55f"
 dependencies = [
  "base64 0.13.1",
  "stellar-xdr",
@@ -1118,9 +1160,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-spec-rust"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1bcfa549d3362e6eafa3a51ad29d571f3dbae2cb9fe33d9f94c00a9f742f71df"
+checksum = "eb6189ef3ede0061db14b0cf9fa2692a2cb6c6e8d941689f0c9ca82b68c47ab2"
 dependencies = [
  "prettyplease",
  "proc-macro2",
@@ -1128,15 +1170,15 @@ dependencies = [
  "sha2",
  "soroban-spec",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
  "thiserror",
 ]
 
 [[package]]
 name = "soroban-wasmi"
-version = "0.31.0-soroban1"
+version = "0.31.1-soroban.20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b6e3e79c1f227ec98ea1e8fbf43d0267b9ca748616c9c8c0162fa2a8ca4d5d2"
+checksum = "c1aaa682a67cbd2173f1d60cb1e7b951d490d7c4e0b7b6f5387cbb952e963c46"
 dependencies = [
  "smallvec",
  "spin",
@@ -1169,26 +1211,29 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "stellar-strkey"
-version = "0.0.7"
+version = "0.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c0689070126ca7f2effc2c5726584446db52190f0cef043c02eb4040a711c11"
+checksum = "12d2bf45e114117ea91d820a846fd1afbe3ba7d717988fee094ce8227a3bf8bd"
 dependencies = [
  "base32",
+ "crate-git-revision",
  "thiserror",
 ]
 
 [[package]]
 name = "stellar-xdr"
-version = "20.0.0-rc1"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e09a3734914a7427dbcd4f06b6dcd2b1cf38e934202f6abe4d73658f718b6113"
+checksum = "9595b775539e475da4179fa46212b11e4575f526d57b13308989a8c1dd59238c"
 dependencies = [
  "arbitrary",
  "base64 0.13.1",
  "crate-git-revision",
+ "escape-bytes",
  "hex",
  "serde",
  "serde_with",
+ "stellar-strkey",
 ]
 
 [[package]]
@@ -1216,9 +1261,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.15"
+version = "2.0.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a34fcf3e8b60f57e6a14301a2e916d323af98b0ea63c599441eec8558660c822"
+checksum = "23e78b90f2fcf45d3e842032ce32e3f2d1545ba6636271dcbf24fa306d87be7a"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1251,7 +1296,7 @@ checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -1389,7 +1434,7 @@ version = "0.88.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb8cf7dd82407fe68161bedcd57fde15596f32ebf6e9b3bdbf3ae1da20e38e5e"
 dependencies = [
- "indexmap",
+ "indexmap 1.9.3",
 ]
 
 [[package]]
diff --git a/atomic_multiswap/Cargo.toml b/atomic_multiswap/Cargo.toml
index 485fba73..e49ae35d 100644
--- a/atomic_multiswap/Cargo.toml
+++ b/atomic_multiswap/Cargo.toml
@@ -11,10 +11,10 @@ crate-type = ["cdylib"]
 doctest = false
 
 [dependencies]
-soroban-sdk = { version = "20.0.0-rc2" }
+soroban-sdk = { version = "20.0.0" }
 
 [dev_dependencies]
-soroban-sdk = { version = "20.0.0-rc2", features = ["testutils"] }
+soroban-sdk = { version = "20.0.0", features = ["testutils"] }
 assert_unordered = "0.3.5"
 
 [profile.release]
diff --git a/atomic_multiswap/src/test.rs b/atomic_multiswap/src/test.rs
index da4922e5..c29dbeb6 100644
--- a/atomic_multiswap/src/test.rs
+++ b/atomic_multiswap/src/test.rs
@@ -30,40 +30,40 @@ fn test_atomic_multi_swap() {
 
     let swaps_a = [
         SwapSpec {
-            address: Address::random(&env),
+            address: Address::generate(&env),
             amount: 2000,
             min_recv: 290,
         },
         SwapSpec {
-            address: Address::random(&env),
+            address: Address::generate(&env),
             amount: 3000,
             min_recv: 350,
         },
         SwapSpec {
-            address: Address::random(&env),
+            address: Address::generate(&env),
             amount: 4000,
             min_recv: 301,
         },
     ];
     let swaps_b = [
         SwapSpec {
-            address: Address::random(&env),
+            address: Address::generate(&env),
             amount: 300,
             min_recv: 2100,
         },
         SwapSpec {
-            address: Address::random(&env),
+            address: Address::generate(&env),
             amount: 295,
             min_recv: 1950,
         },
         SwapSpec {
-            address: Address::random(&env),
+            address: Address::generate(&env),
             amount: 400,
             min_recv: 2900,
         },
     ];
 
-    let token_admin = Address::random(&env);
+    let token_admin = Address::generate(&env);
 
     let (token_a, token_a_admin) = create_token_contract(&env, &token_admin);
     let (token_b, token_b_admin) = create_token_contract(&env, &token_admin);
@@ -238,8 +238,8 @@ fn test_multi_swap_with_duplicate_account() {
     let env = Env::default();
     env.mock_all_auths_allowing_non_root_auth();
 
-    let address_a = Address::random(&env);
-    let address_b = Address::random(&env);
+    let address_a = Address::generate(&env);
+    let address_b = Address::generate(&env);
     let swaps_a = [
         SwapSpec {
             address: address_a.clone(),
@@ -265,7 +265,7 @@ fn test_multi_swap_with_duplicate_account() {
         },
     ];
 
-    let token_admin = Address::random(&env);
+    let token_admin = Address::generate(&env);
 
     let (token_a, token_a_admin) = create_token_contract(&env, &token_admin);
     let (token_b, token_b_admin) = create_token_contract(&env, &token_admin);
diff --git a/atomic_swap/Cargo.lock b/atomic_swap/Cargo.lock
index 4c514c05..175079ea 100644
--- a/atomic_swap/Cargo.lock
+++ b/atomic_swap/Cargo.lock
@@ -4,9 +4,9 @@ version = 3
 
 [[package]]
 name = "addr2line"
-version = "0.19.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a76fd60b23679b7d19bd066031410fb7e458ccc5e958eb5c325888ce4baedc97"
+checksum = "8a30b2e23b9e17a9f90641c7ab1549cd9b44f296d3ccbf309d2863cfe398a0cb"
 dependencies = [
  "gimli",
 ]
@@ -34,9 +34,9 @@ dependencies = [
 
 [[package]]
 name = "arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2d098ff73c1ca148721f37baad5ea6a465a13f9573aba8641fbbbae8164a54e"
+checksum = "7d5a26814d8dcb93b0e5a0ff3c6d80a8843bafb21b39e8e18a6f05471870e110"
 dependencies = [
  "derive_arbitrary",
 ]
@@ -49,9 +49,9 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "backtrace"
-version = "0.3.67"
+version = "0.3.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "233d376d6d185f2a3093e58f283f60f880315b6c60075b01f36b3b85154564ca"
+checksum = "2089b7e3f35b9dd2d0ed921ead4f6d318c27680d4a5bd167b3ee120edb105837"
 dependencies = [
  "addr2line",
  "cc",
@@ -210,9 +210,9 @@ dependencies = [
 
 [[package]]
 name = "curve25519-dalek"
-version = "4.0.0"
+version = "4.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f711ade317dd348950a9910f81c5947e3d8907ebd2b83f76203ff1807e6a2bc2"
+checksum = "e89b8c6a2e4b1f45971ad09761aafb85514a84744b67a95e32c3cc1352d1f65c"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -283,9 +283,9 @@ dependencies = [
 
 [[package]]
 name = "derive_arbitrary"
-version = "1.3.1"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "53e0efad4403bfc52dc201159c4b842a246a14b98c64b55dfd0f2d89729dfeb8"
+checksum = "67e77553c4162a157adbf834ebae5b415acbecbeafc7a74b0e886657506a7611"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -373,11 +373,23 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
+[[package]]
+name = "escape-bytes"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bfcf67fea2815c2fc3b90873fae90957be12ff417335dfadc7f52927feb03b2"
+
 [[package]]
 name = "ethnum"
-version = "1.3.2"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0198b9d0078e0f30dedc7acbb21c974e838fc8fae3ee170128658a98cb2c1c04"
+checksum = "b90ca2580b73ab6a1f724b76ca11ab632df820fd6040c336200d2c1df7b3c82c"
 
 [[package]]
 name = "ff"
@@ -391,9 +403,9 @@ dependencies = [
 
 [[package]]
 name = "fiat-crypto"
-version = "0.1.20"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e825f6987101665dea6ec934c09ec6d721de7bc1bf92248e1d5810c8cd636b77"
+checksum = "27573eac26f4dd11e2b1916c3fe1baa56407c83c71a773a8ba17ec0bca03b6b7"
 
 [[package]]
 name = "fnv"
@@ -414,9 +426,9 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.10"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
+checksum = "fe9006bed769170c11f845cf00c7c1e9092aeb3f268e007c3e760ac68008070f"
 dependencies = [
  "cfg-if",
  "js-sys",
@@ -427,9 +439,9 @@ dependencies = [
 
 [[package]]
 name = "gimli"
-version = "0.27.3"
+version = "0.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b6c80984affa11d98d1b88b66ac8853f143217b399d3c74116778ff8fdb4ed2e"
+checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
 
 [[package]]
 name = "group"
@@ -448,6 +460,12 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "hashbrown"
+version = "0.14.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
+
 [[package]]
 name = "hex"
 version = "0.4.3"
@@ -457,6 +475,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "hex-literal"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fe2267d4ed49bc07b63801559be28c718ea06c4738b7a03c94df7386d2cde46"
+
 [[package]]
 name = "hmac"
 version = "0.12.1"
@@ -502,7 +526,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
 dependencies = [
  "autocfg",
- "hashbrown",
+ "hashbrown 0.12.3",
+ "serde",
+]
+
+[[package]]
+name = "indexmap"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d530e1a18b1cb4c484e6e34556a0d948706958449fca0cab753d649f2bce3d1f"
+dependencies = [
+ "equivalent",
+ "hashbrown 0.14.3",
  "serde",
 ]
 
@@ -514,9 +549,9 @@ checksum = "8e04e2fd2b8188ea827b32ef11de88377086d690286ab35747ef7f9bf3ccb590"
 
 [[package]]
 name = "itertools"
-version = "0.10.5"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+checksum = "b1c173a5686ce8bfa551b3563d0c2170bf24ca44da99c7ca4bfdab5418c3fe57"
 dependencies = [
  "either",
 ]
@@ -561,9 +596,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.147"
+version = "0.2.150"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
+checksum = "89d92a4743f9a61002fae18374ed11e7973f530cb3a3255fb354818118b2203c"
 
 [[package]]
 name = "libm"
@@ -585,9 +620,9 @@ checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
 name = "miniz_oxide"
-version = "0.6.2"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b275950c28b37e794e8c55d88aeb5e139d0ce23fdbbeda68f8d7174abdf9e8fa"
+checksum = "e7810e0be55b428ada41041c41f32c9f1a42817901b4ccf45fa3d4b6561e74c7"
 dependencies = [
  "adler",
 ]
@@ -605,9 +640,9 @@ dependencies = [
 
 [[package]]
 name = "num-derive"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e6a0fd4f737c707bd9086cc16c925f294943eb62eb71499e9fd4cf71f8b9f4e"
+checksum = "cfb77679af88f8b125209d354a202862602672222e7f2313fdd6dc349bad4712"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -626,18 +661,18 @@ dependencies = [
 
 [[package]]
 name = "num-traits"
-version = "0.2.15"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
+checksum = "39e3200413f237f41ab11ad6d161bc7239c84dcb631773ccd7de3dfe4b5c267c"
 dependencies = [
  "autocfg",
 ]
 
 [[package]]
 name = "object"
-version = "0.30.4"
+version = "0.32.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "03b4680b86d9cfafba8fc491dc9b6df26b68cf40e9e6cd73909194759a63c385"
+checksum = "9cf5f9dd3933bd50a9e1f149ec995f39ae2c496d31fd772c1fd45ebc27e902b0"
 dependencies = [
  "memchr",
 ]
@@ -688,18 +723,18 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.63"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b368fba921b0dce7e60f5e04ec15e565b3303972b42bcfde1d0713b881959eb"
+checksum = "134c189feb4956b20f6f547d2cf727d4c0fe06722b20a0eec87ed445a97f92da"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.28"
+version = "1.0.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b9ab9c7eadfd8df19006f1cf1a4aed13540ed5cbc047010ece5826e10825488"
+checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
 dependencies = [
  "proc-macro2",
 ]
@@ -787,18 +822,18 @@ checksum = "bebd363326d05ec3e2f532ab7660680f3b02130d780c299bca73469d521bc0ed"
 
 [[package]]
 name = "serde"
-version = "1.0.164"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e8c8cf938e98f769bc164923b06dce91cea1751522f46f8466461af04c9027d"
+checksum = "bca2a08484b285dcb282d0f67b26cadc0df8b19f8c12502c13d966bf9482f001"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.164"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9735b638ccc51c28bf6914d90a2e9725b377144fc612c49a611fddd1b631d68"
+checksum = "d6c7207fbec9faa48073f3e3074cbe553af6ea512d7c21ba46e434e70ea9fbc1"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -807,9 +842,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.99"
+version = "1.0.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "46266871c240a00b8f503b877622fe33430b3c7d963bdc0f2adc511e54a1eae3"
+checksum = "3d1c7e3eac408d115102c4c24ad393e0821bb3a5df4d506a80f85f7a742a526b"
 dependencies = [
  "itoa",
  "ryu",
@@ -818,14 +853,15 @@ dependencies = [
 
 [[package]]
 name = "serde_with"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f02d8aa6e3c385bf084924f660ce2a3a6bd333ba55b35e8590b321f35d88513"
+checksum = "64cd236ccc1b7a29e7e2739f27c0b2dd199804abc4290e32f59f3b68d6405c23"
 dependencies = [
  "base64 0.21.2",
  "chrono",
  "hex",
- "indexmap",
+ "indexmap 1.9.3",
+ "indexmap 2.1.0",
  "serde",
  "serde_json",
  "serde_with_macros",
@@ -834,9 +870,9 @@ dependencies = [
 
 [[package]]
 name = "serde_with_macros"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edc7d5d3932fb12ce722ee5e64dd38c504efba37567f0c402f6ca728c3b8b070"
+checksum = "93634eb5f75a2323b16de4748022ac4297f9e76b6dced2be287a099f41b5e788"
 dependencies = [
  "darling",
  "proc-macro2",
@@ -846,9 +882,9 @@ dependencies = [
 
 [[package]]
 name = "sha2"
-version = "0.10.7"
+version = "0.10.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "479fb9d862239e610720565ca91403019f2f00410f1864c5aa7479b950a76ed8"
+checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -888,11 +924,23 @@ dependencies = [
  "soroban-sdk",
 ]
 
+[[package]]
+name = "soroban-builtin-sdk-macros"
+version = "20.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b42487d6b0268748f753feeb579c6f7908dbb002faf20b703e6a7185b12f0527"
+dependencies = [
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "soroban-env-common"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2508a41765935d3bef43b2264667c4603725cf7ddd851321f1dc2b3bca8bb88"
+checksum = "5bb493483fa3e3ebfb4c081472495d14b0abcfbe04ba142a56ff63056cc62700"
 dependencies = [
  "arbitrary",
  "crate-git-revision",
@@ -908,9 +956,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-guest"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b41f1b3ebb747487ff9920822112a5816030e053734ed63c05f1a7db476f2768"
+checksum = "3f31a738ef5faf4084c4b1824a8e3f93dfff0261a3909e86060f818e728479a3"
 dependencies = [
  "soroban-env-common",
  "static_assertions",
@@ -918,13 +966,16 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-host"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "347fc729270de2fc8e312ba1872ef90fdc8dfcd0dacdd07a3bb7a038c41ea6d6"
+checksum = "bdd1172a76c0bc2ce67ec7f28ca37dddbe9fefabe583f80434f5f60aaee3547e"
 dependencies = [
  "backtrace",
+ "curve25519-dalek",
  "ed25519-dalek",
  "getrandom",
+ "hex-literal",
+ "hmac",
  "k256",
  "num-derive",
  "num-integer",
@@ -933,8 +984,8 @@ dependencies = [
  "rand_chacha",
  "sha2",
  "sha3",
+ "soroban-builtin-sdk-macros",
  "soroban-env-common",
- "soroban-native-sdk-macros",
  "soroban-wasmi",
  "static_assertions",
  "stellar-strkey",
@@ -942,9 +993,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f16b7a75d77ae47143a07f92a35661c21e965f63bb4362d8491188a993687745"
+checksum = "5c0536648cea69ab3bae1801d35f92c0a31e7449cd2c7d14a18fb5e413f43279"
 dependencies = [
  "itertools",
  "proc-macro2",
@@ -957,40 +1008,31 @@ dependencies = [
 
 [[package]]
 name = "soroban-ledger-snapshot"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d202c5870aeec1cb97bfd06a94b8fe691c513ba6da8638deb07d8660e90056ba"
+checksum = "37960eec21d7dc5dbd976fa16e38c056429663a89243798486b07afbb263c9b5"
 dependencies = [
  "serde",
  "serde_json",
+ "serde_with",
  "soroban-env-common",
  "soroban-env-host",
  "thiserror",
 ]
 
-[[package]]
-name = "soroban-native-sdk-macros"
-version = "20.0.0-rc2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe8cf96e5c9308347bc6fa0735d0591475a20b43ed00f96ad2df623bbe9c1e88"
-dependencies = [
- "itertools",
- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
 name = "soroban-sdk"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d771d43a66ba0df14ff28ac1b37a6568da00afa12f28273a67fe92853ab28f8"
+checksum = "f08e1fdb18dbee88160ea6640962faf021a49f22eb1bd212c4d8b0cef32c582c"
 dependencies = [
  "arbitrary",
  "bytes-lit",
  "ctor",
  "ed25519-dalek",
  "rand",
+ "serde",
+ "serde_json",
  "soroban-env-guest",
  "soroban-env-host",
  "soroban-ledger-snapshot",
@@ -1000,9 +1042,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-sdk-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf5a6dd2e08217fdd75f3f849256dda2614badda9095df233a47c7c8f9783493"
+checksum = "6c5cae44f304f2fd32f9cfa9a31a9b58eb1c10aa07a7d5b591921cf7fa649e44"
 dependencies = [
  "crate-git-revision",
  "darling",
@@ -1020,9 +1062,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-spec"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e2a55aab81d7cd1df66f85de3d815fb08fc5fa412270dc374e031e27528c711"
+checksum = "7539cfa0abe36f3d33c49fe1253f6b652c91c9a9841fe83dedc1799b7f4bb55f"
 dependencies = [
  "base64 0.13.1",
  "stellar-xdr",
@@ -1032,9 +1074,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-spec-rust"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1bcfa549d3362e6eafa3a51ad29d571f3dbae2cb9fe33d9f94c00a9f742f71df"
+checksum = "eb6189ef3ede0061db14b0cf9fa2692a2cb6c6e8d941689f0c9ca82b68c47ab2"
 dependencies = [
  "prettyplease",
  "proc-macro2",
@@ -1048,9 +1090,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-wasmi"
-version = "0.31.0-soroban1"
+version = "0.31.1-soroban.20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b6e3e79c1f227ec98ea1e8fbf43d0267b9ca748616c9c8c0162fa2a8ca4d5d2"
+checksum = "c1aaa682a67cbd2173f1d60cb1e7b951d490d7c4e0b7b6f5387cbb952e963c46"
 dependencies = [
  "smallvec",
  "spin",
@@ -1083,26 +1125,29 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "stellar-strkey"
-version = "0.0.7"
+version = "0.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c0689070126ca7f2effc2c5726584446db52190f0cef043c02eb4040a711c11"
+checksum = "12d2bf45e114117ea91d820a846fd1afbe3ba7d717988fee094ce8227a3bf8bd"
 dependencies = [
  "base32",
+ "crate-git-revision",
  "thiserror",
 ]
 
 [[package]]
 name = "stellar-xdr"
-version = "20.0.0-rc1"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e09a3734914a7427dbcd4f06b6dcd2b1cf38e934202f6abe4d73658f718b6113"
+checksum = "9595b775539e475da4179fa46212b11e4575f526d57b13308989a8c1dd59238c"
 dependencies = [
  "arbitrary",
  "base64 0.13.1",
  "crate-git-revision",
+ "escape-bytes",
  "hex",
  "serde",
  "serde_with",
+ "stellar-strkey",
 ]
 
 [[package]]
@@ -1119,9 +1164,9 @@ checksum = "81cdd64d312baedb58e21336b31bc043b77e01cc99033ce76ef539f78e965ebc"
 
 [[package]]
 name = "syn"
-version = "2.0.22"
+version = "2.0.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2efbeae7acf4eabd6bcdcbd11c92f45231ddda7539edc7806bd1a04a03b24616"
+checksum = "23e78b90f2fcf45d3e842032ce32e3f2d1545ba6636271dcbf24fa306d87be7a"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1277,7 +1322,7 @@ version = "0.88.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb8cf7dd82407fe68161bedcd57fde15596f32ebf6e9b3bdbf3ae1da20e38e5e"
 dependencies = [
- "indexmap",
+ "indexmap 1.9.3",
 ]
 
 [[package]]
diff --git a/atomic_swap/Cargo.toml b/atomic_swap/Cargo.toml
index c435bac0..a9b8485c 100644
--- a/atomic_swap/Cargo.toml
+++ b/atomic_swap/Cargo.toml
@@ -11,10 +11,10 @@ crate-type = ["cdylib"]
 doctest = false
 
 [dependencies]
-soroban-sdk = { version = "20.0.0-rc2" }
+soroban-sdk = { version = "20.0.0" }
 
 [dev_dependencies]
-soroban-sdk = { version = "20.0.0-rc2", features = ["testutils"] }
+soroban-sdk = { version = "20.0.0", features = ["testutils"] }
 
 [profile.release]
 opt-level = "z"
diff --git a/atomic_swap/src/test.rs b/atomic_swap/src/test.rs
index 4f384533..cf7929ef 100644
--- a/atomic_swap/src/test.rs
+++ b/atomic_swap/src/test.rs
@@ -27,10 +27,10 @@ fn test_atomic_swap() {
     let env = Env::default();
     env.mock_all_auths();
 
-    let a = Address::random(&env);
-    let b = Address::random(&env);
+    let a = Address::generate(&env);
+    let b = Address::generate(&env);
 
-    let token_admin = Address::random(&env);
+    let token_admin = Address::generate(&env);
 
     let (token_a, token_a_admin) = create_token_contract(&env, &token_admin);
     let (token_b, token_b_admin) = create_token_contract(&env, &token_admin);
diff --git a/auth/Cargo.lock b/auth/Cargo.lock
index c6869910..a591c533 100644
--- a/auth/Cargo.lock
+++ b/auth/Cargo.lock
@@ -4,9 +4,9 @@ version = 3
 
 [[package]]
 name = "addr2line"
-version = "0.19.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a76fd60b23679b7d19bd066031410fb7e458ccc5e958eb5c325888ce4baedc97"
+checksum = "8a30b2e23b9e17a9f90641c7ab1549cd9b44f296d3ccbf309d2863cfe398a0cb"
 dependencies = [
  "gimli",
 ]
@@ -28,9 +28,9 @@ dependencies = [
 
 [[package]]
 name = "arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2d098ff73c1ca148721f37baad5ea6a465a13f9573aba8641fbbbae8164a54e"
+checksum = "7d5a26814d8dcb93b0e5a0ff3c6d80a8843bafb21b39e8e18a6f05471870e110"
 dependencies = [
  "derive_arbitrary",
 ]
@@ -43,9 +43,9 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "backtrace"
-version = "0.3.67"
+version = "0.3.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "233d376d6d185f2a3093e58f283f60f880315b6c60075b01f36b3b85154564ca"
+checksum = "2089b7e3f35b9dd2d0ed921ead4f6d318c27680d4a5bd167b3ee120edb105837"
 dependencies = [
  "addr2line",
  "cc",
@@ -110,7 +110,7 @@ dependencies = [
  "num-bigint",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -209,14 +209,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1586fa608b1dab41f667475b4a41faec5ba680aee428bfa5de4ea520fdc6e901"
 dependencies = [
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "curve25519-dalek"
-version = "4.0.0"
+version = "4.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f711ade317dd348950a9910f81c5947e3d8907ebd2b83f76203ff1807e6a2bc2"
+checksum = "e89b8c6a2e4b1f45971ad09761aafb85514a84744b67a95e32c3cc1352d1f65c"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -237,7 +237,7 @@ checksum = "83fdaf97f4804dcebfa5862639bc9ce4121e82140bec2a987ac5140294865b5b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -264,7 +264,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "scratch",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -281,7 +281,7 @@ checksum = "2345488264226bf682893e25de0769f3360aac9957980ec49361b083ddaa5bc5"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -305,7 +305,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "strsim",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -316,7 +316,7 @@ checksum = "29a358ff9f12ec09c3e61fef9b5a9902623a695a46a917b07f269bff1445611a"
 dependencies = [
  "darling_core",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -331,13 +331,13 @@ dependencies = [
 
 [[package]]
 name = "derive_arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3cdeb9ec472d588e539a818b2dee436825730da08ad0017c4b1a17676bdc8b7"
+checksum = "67e77553c4162a157adbf834ebae5b415acbecbeafc7a74b0e886657506a7611"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -421,11 +421,23 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
+[[package]]
+name = "escape-bytes"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bfcf67fea2815c2fc3b90873fae90957be12ff417335dfadc7f52927feb03b2"
+
 [[package]]
 name = "ethnum"
-version = "1.3.2"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0198b9d0078e0f30dedc7acbb21c974e838fc8fae3ee170128658a98cb2c1c04"
+checksum = "b90ca2580b73ab6a1f724b76ca11ab632df820fd6040c336200d2c1df7b3c82c"
 
 [[package]]
 name = "ff"
@@ -439,9 +451,9 @@ dependencies = [
 
 [[package]]
 name = "fiat-crypto"
-version = "0.1.20"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e825f6987101665dea6ec934c09ec6d721de7bc1bf92248e1d5810c8cd636b77"
+checksum = "27573eac26f4dd11e2b1916c3fe1baa56407c83c71a773a8ba17ec0bca03b6b7"
 
 [[package]]
 name = "fnv"
@@ -462,9 +474,9 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.10"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
+checksum = "fe9006bed769170c11f845cf00c7c1e9092aeb3f268e007c3e760ac68008070f"
 dependencies = [
  "cfg-if",
  "js-sys",
@@ -475,9 +487,9 @@ dependencies = [
 
 [[package]]
 name = "gimli"
-version = "0.27.2"
+version = "0.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad0a93d233ebf96623465aad4046a8d3aa4da22d4f4beba5388838c8a434bbb4"
+checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
 
 [[package]]
 name = "group"
@@ -496,6 +508,12 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "hashbrown"
+version = "0.14.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
+
 [[package]]
 name = "hex"
 version = "0.4.3"
@@ -505,6 +523,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "hex-literal"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fe2267d4ed49bc07b63801559be28c718ea06c4738b7a03c94df7386d2cde46"
+
 [[package]]
 name = "hmac"
 version = "0.12.1"
@@ -551,7 +575,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
 dependencies = [
  "autocfg",
- "hashbrown",
+ "hashbrown 0.12.3",
+ "serde",
+]
+
+[[package]]
+name = "indexmap"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d530e1a18b1cb4c484e6e34556a0d948706958449fca0cab753d649f2bce3d1f"
+dependencies = [
+ "equivalent",
+ "hashbrown 0.14.3",
  "serde",
 ]
 
@@ -563,9 +598,9 @@ checksum = "8e04e2fd2b8188ea827b32ef11de88377086d690286ab35747ef7f9bf3ccb590"
 
 [[package]]
 name = "itertools"
-version = "0.10.5"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+checksum = "b1c173a5686ce8bfa551b3563d0c2170bf24ca44da99c7ca4bfdab5418c3fe57"
 dependencies = [
  "either",
 ]
@@ -610,9 +645,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.147"
+version = "0.2.150"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
+checksum = "89d92a4743f9a61002fae18374ed11e7973f530cb3a3255fb354818118b2203c"
 
 [[package]]
 name = "libm"
@@ -646,9 +681,9 @@ checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
 name = "miniz_oxide"
-version = "0.6.2"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b275950c28b37e794e8c55d88aeb5e139d0ce23fdbbeda68f8d7174abdf9e8fa"
+checksum = "e7810e0be55b428ada41041c41f32c9f1a42817901b4ccf45fa3d4b6561e74c7"
 dependencies = [
  "adler",
 ]
@@ -666,13 +701,13 @@ dependencies = [
 
 [[package]]
 name = "num-derive"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e6a0fd4f737c707bd9086cc16c925f294943eb62eb71499e9fd4cf71f8b9f4e"
+checksum = "cfb77679af88f8b125209d354a202862602672222e7f2313fdd6dc349bad4712"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -687,18 +722,18 @@ dependencies = [
 
 [[package]]
 name = "num-traits"
-version = "0.2.15"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
+checksum = "39e3200413f237f41ab11ad6d161bc7239c84dcb631773ccd7de3dfe4b5c267c"
 dependencies = [
  "autocfg",
 ]
 
 [[package]]
 name = "object"
-version = "0.30.3"
+version = "0.32.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea86265d3d3dcb6a27fc51bd29a4bf387fae9d2986b823079d4986af253eb439"
+checksum = "9cf5f9dd3933bd50a9e1f149ec995f39ae2c496d31fd772c1fd45ebc27e902b0"
 dependencies = [
  "memchr",
 ]
@@ -744,23 +779,23 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1ceca8aaf45b5c46ec7ed39fff75f57290368c1846d33d24a122ca81416ab058"
 dependencies = [
  "proc-macro2",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.56"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b63bdb0cd06f1f4dedf69b254734f9b45af66e4a031e42a7480257d9898b435"
+checksum = "134c189feb4956b20f6f547d2cf727d4c0fe06722b20a0eec87ed445a97f92da"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.26"
+version = "1.0.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4424af4bf778aae2051a77b60283332f386554255d722233d09fbfc7e30da2fc"
+checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
 dependencies = [
  "proc-macro2",
 ]
@@ -854,29 +889,29 @@ checksum = "bebd363326d05ec3e2f532ab7660680f3b02130d780c299bca73469d521bc0ed"
 
 [[package]]
 name = "serde"
-version = "1.0.160"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb2f3770c8bce3bcda7e149193a069a0f4365bda1fa5cd88e03bca26afc1216c"
+checksum = "bca2a08484b285dcb282d0f67b26cadc0df8b19f8c12502c13d966bf9482f001"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.160"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "291a097c63d8497e00160b166a967a4a79c64f3facdd01cbd7502231688d77df"
+checksum = "d6c7207fbec9faa48073f3e3074cbe553af6ea512d7c21ba46e434e70ea9fbc1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.96"
+version = "1.0.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "057d394a50403bcac12672b2b18fb387ab6d289d957dab67dd201875391e52f1"
+checksum = "3d1c7e3eac408d115102c4c24ad393e0821bb3a5df4d506a80f85f7a742a526b"
 dependencies = [
  "itoa",
  "ryu",
@@ -885,14 +920,15 @@ dependencies = [
 
 [[package]]
 name = "serde_with"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f02d8aa6e3c385bf084924f660ce2a3a6bd333ba55b35e8590b321f35d88513"
+checksum = "64cd236ccc1b7a29e7e2739f27c0b2dd199804abc4290e32f59f3b68d6405c23"
 dependencies = [
  "base64 0.21.0",
  "chrono",
  "hex",
- "indexmap",
+ "indexmap 1.9.3",
+ "indexmap 2.1.0",
  "serde",
  "serde_json",
  "serde_with_macros",
@@ -901,21 +937,21 @@ dependencies = [
 
 [[package]]
 name = "serde_with_macros"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edc7d5d3932fb12ce722ee5e64dd38c504efba37567f0c402f6ca728c3b8b070"
+checksum = "93634eb5f75a2323b16de4748022ac4297f9e76b6dced2be287a099f41b5e788"
 dependencies = [
  "darling",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "sha2"
-version = "0.10.7"
+version = "0.10.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "479fb9d862239e610720565ca91403019f2f00410f1864c5aa7479b950a76ed8"
+checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -955,11 +991,23 @@ dependencies = [
  "soroban-sdk",
 ]
 
+[[package]]
+name = "soroban-builtin-sdk-macros"
+version = "20.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b42487d6b0268748f753feeb579c6f7908dbb002faf20b703e6a7185b12f0527"
+dependencies = [
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.39",
+]
+
 [[package]]
 name = "soroban-env-common"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2508a41765935d3bef43b2264667c4603725cf7ddd851321f1dc2b3bca8bb88"
+checksum = "5bb493483fa3e3ebfb4c081472495d14b0abcfbe04ba142a56ff63056cc62700"
 dependencies = [
  "arbitrary",
  "crate-git-revision",
@@ -975,9 +1023,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-guest"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b41f1b3ebb747487ff9920822112a5816030e053734ed63c05f1a7db476f2768"
+checksum = "3f31a738ef5faf4084c4b1824a8e3f93dfff0261a3909e86060f818e728479a3"
 dependencies = [
  "soroban-env-common",
  "static_assertions",
@@ -985,13 +1033,16 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-host"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "347fc729270de2fc8e312ba1872ef90fdc8dfcd0dacdd07a3bb7a038c41ea6d6"
+checksum = "bdd1172a76c0bc2ce67ec7f28ca37dddbe9fefabe583f80434f5f60aaee3547e"
 dependencies = [
  "backtrace",
+ "curve25519-dalek",
  "ed25519-dalek",
  "getrandom",
+ "hex-literal",
+ "hmac",
  "k256",
  "num-derive",
  "num-integer",
@@ -1000,8 +1051,8 @@ dependencies = [
  "rand_chacha",
  "sha2",
  "sha3",
+ "soroban-builtin-sdk-macros",
  "soroban-env-common",
- "soroban-native-sdk-macros",
  "soroban-wasmi",
  "static_assertions",
  "stellar-strkey",
@@ -1009,9 +1060,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f16b7a75d77ae47143a07f92a35661c21e965f63bb4362d8491188a993687745"
+checksum = "5c0536648cea69ab3bae1801d35f92c0a31e7449cd2c7d14a18fb5e413f43279"
 dependencies = [
  "itertools",
  "proc-macro2",
@@ -1019,45 +1070,36 @@ dependencies = [
  "serde",
  "serde_json",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "soroban-ledger-snapshot"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d202c5870aeec1cb97bfd06a94b8fe691c513ba6da8638deb07d8660e90056ba"
+checksum = "37960eec21d7dc5dbd976fa16e38c056429663a89243798486b07afbb263c9b5"
 dependencies = [
  "serde",
  "serde_json",
+ "serde_with",
  "soroban-env-common",
  "soroban-env-host",
  "thiserror",
 ]
 
-[[package]]
-name = "soroban-native-sdk-macros"
-version = "20.0.0-rc2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe8cf96e5c9308347bc6fa0735d0591475a20b43ed00f96ad2df623bbe9c1e88"
-dependencies = [
- "itertools",
- "proc-macro2",
- "quote",
- "syn 2.0.15",
-]
-
 [[package]]
 name = "soroban-sdk"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d771d43a66ba0df14ff28ac1b37a6568da00afa12f28273a67fe92853ab28f8"
+checksum = "f08e1fdb18dbee88160ea6640962faf021a49f22eb1bd212c4d8b0cef32c582c"
 dependencies = [
  "arbitrary",
  "bytes-lit",
  "ctor",
  "ed25519-dalek",
  "rand",
+ "serde",
+ "serde_json",
  "soroban-env-guest",
  "soroban-env-host",
  "soroban-ledger-snapshot",
@@ -1067,9 +1109,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-sdk-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf5a6dd2e08217fdd75f3f849256dda2614badda9095df233a47c7c8f9783493"
+checksum = "6c5cae44f304f2fd32f9cfa9a31a9b58eb1c10aa07a7d5b591921cf7fa649e44"
 dependencies = [
  "crate-git-revision",
  "darling",
@@ -1082,14 +1124,14 @@ dependencies = [
  "soroban-spec",
  "soroban-spec-rust",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "soroban-spec"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e2a55aab81d7cd1df66f85de3d815fb08fc5fa412270dc374e031e27528c711"
+checksum = "7539cfa0abe36f3d33c49fe1253f6b652c91c9a9841fe83dedc1799b7f4bb55f"
 dependencies = [
  "base64 0.13.1",
  "stellar-xdr",
@@ -1099,9 +1141,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-spec-rust"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1bcfa549d3362e6eafa3a51ad29d571f3dbae2cb9fe33d9f94c00a9f742f71df"
+checksum = "eb6189ef3ede0061db14b0cf9fa2692a2cb6c6e8d941689f0c9ca82b68c47ab2"
 dependencies = [
  "prettyplease",
  "proc-macro2",
@@ -1109,15 +1151,15 @@ dependencies = [
  "sha2",
  "soroban-spec",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
  "thiserror",
 ]
 
 [[package]]
 name = "soroban-wasmi"
-version = "0.31.0-soroban1"
+version = "0.31.1-soroban.20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b6e3e79c1f227ec98ea1e8fbf43d0267b9ca748616c9c8c0162fa2a8ca4d5d2"
+checksum = "c1aaa682a67cbd2173f1d60cb1e7b951d490d7c4e0b7b6f5387cbb952e963c46"
 dependencies = [
  "smallvec",
  "spin",
@@ -1150,26 +1192,29 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "stellar-strkey"
-version = "0.0.7"
+version = "0.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c0689070126ca7f2effc2c5726584446db52190f0cef043c02eb4040a711c11"
+checksum = "12d2bf45e114117ea91d820a846fd1afbe3ba7d717988fee094ce8227a3bf8bd"
 dependencies = [
  "base32",
+ "crate-git-revision",
  "thiserror",
 ]
 
 [[package]]
 name = "stellar-xdr"
-version = "20.0.0-rc1"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e09a3734914a7427dbcd4f06b6dcd2b1cf38e934202f6abe4d73658f718b6113"
+checksum = "9595b775539e475da4179fa46212b11e4575f526d57b13308989a8c1dd59238c"
 dependencies = [
  "arbitrary",
  "base64 0.13.1",
  "crate-git-revision",
+ "escape-bytes",
  "hex",
  "serde",
  "serde_with",
+ "stellar-strkey",
 ]
 
 [[package]]
@@ -1197,9 +1242,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.15"
+version = "2.0.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a34fcf3e8b60f57e6a14301a2e916d323af98b0ea63c599441eec8558660c822"
+checksum = "23e78b90f2fcf45d3e842032ce32e3f2d1545ba6636271dcbf24fa306d87be7a"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1232,7 +1277,7 @@ checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -1370,7 +1415,7 @@ version = "0.88.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb8cf7dd82407fe68161bedcd57fde15596f32ebf6e9b3bdbf3ae1da20e38e5e"
 dependencies = [
- "indexmap",
+ "indexmap 1.9.3",
 ]
 
 [[package]]
diff --git a/auth/Cargo.toml b/auth/Cargo.toml
index 5f3d0075..1f134ad5 100644
--- a/auth/Cargo.toml
+++ b/auth/Cargo.toml
@@ -8,10 +8,10 @@ publish = false
 crate-type = ["cdylib"]
 
 [dependencies]
-soroban-sdk = { version = "20.0.0-rc2" }
+soroban-sdk = { version = "20.0.0" }
 
 [dev_dependencies]
-soroban-sdk = { version = "20.0.0-rc2", features = ["testutils"] }
+soroban-sdk = { version = "20.0.0", features = ["testutils"] }
 
 [profile.release]
 opt-level = "z"
diff --git a/auth/src/test.rs b/auth/src/test.rs
index feff9f15..dd8f879a 100644
--- a/auth/src/test.rs
+++ b/auth/src/test.rs
@@ -17,8 +17,8 @@ fn test() {
     let contract_id = env.register_contract(None, IncrementContract);
     let client = IncrementContractClient::new(&env, &contract_id);
 
-    let user_1 = Address::random(&env);
-    let user_2 = Address::random(&env);
+    let user_1 = Address::generate(&env);
+    let user_2 = Address::generate(&env);
 
     assert_eq!(client.increment(&user_1, &5), 5);
     // Verify that the user indeed had to authorize a call of `increment` with
diff --git a/cross_contract/contract_a/Cargo.lock b/cross_contract/contract_a/Cargo.lock
index 26e99025..e0c8c12f 100644
--- a/cross_contract/contract_a/Cargo.lock
+++ b/cross_contract/contract_a/Cargo.lock
@@ -4,9 +4,9 @@ version = 3
 
 [[package]]
 name = "addr2line"
-version = "0.19.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a76fd60b23679b7d19bd066031410fb7e458ccc5e958eb5c325888ce4baedc97"
+checksum = "8a30b2e23b9e17a9f90641c7ab1549cd9b44f296d3ccbf309d2863cfe398a0cb"
 dependencies = [
  "gimli",
 ]
@@ -28,9 +28,9 @@ dependencies = [
 
 [[package]]
 name = "arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2d098ff73c1ca148721f37baad5ea6a465a13f9573aba8641fbbbae8164a54e"
+checksum = "7d5a26814d8dcb93b0e5a0ff3c6d80a8843bafb21b39e8e18a6f05471870e110"
 dependencies = [
  "derive_arbitrary",
 ]
@@ -43,9 +43,9 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "backtrace"
-version = "0.3.67"
+version = "0.3.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "233d376d6d185f2a3093e58f283f60f880315b6c60075b01f36b3b85154564ca"
+checksum = "2089b7e3f35b9dd2d0ed921ead4f6d318c27680d4a5bd167b3ee120edb105837"
 dependencies = [
  "addr2line",
  "cc",
@@ -110,7 +110,7 @@ dependencies = [
  "num-bigint",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -209,14 +209,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1586fa608b1dab41f667475b4a41faec5ba680aee428bfa5de4ea520fdc6e901"
 dependencies = [
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "curve25519-dalek"
-version = "4.0.0"
+version = "4.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f711ade317dd348950a9910f81c5947e3d8907ebd2b83f76203ff1807e6a2bc2"
+checksum = "e89b8c6a2e4b1f45971ad09761aafb85514a84744b67a95e32c3cc1352d1f65c"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -237,7 +237,7 @@ checksum = "83fdaf97f4804dcebfa5862639bc9ce4121e82140bec2a987ac5140294865b5b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -264,7 +264,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "scratch",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -281,7 +281,7 @@ checksum = "2345488264226bf682893e25de0769f3360aac9957980ec49361b083ddaa5bc5"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -305,7 +305,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "strsim",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -316,7 +316,7 @@ checksum = "29a358ff9f12ec09c3e61fef9b5a9902623a695a46a917b07f269bff1445611a"
 dependencies = [
  "darling_core",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -331,13 +331,13 @@ dependencies = [
 
 [[package]]
 name = "derive_arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3cdeb9ec472d588e539a818b2dee436825730da08ad0017c4b1a17676bdc8b7"
+checksum = "67e77553c4162a157adbf834ebae5b415acbecbeafc7a74b0e886657506a7611"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -421,11 +421,23 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
+[[package]]
+name = "escape-bytes"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bfcf67fea2815c2fc3b90873fae90957be12ff417335dfadc7f52927feb03b2"
+
 [[package]]
 name = "ethnum"
-version = "1.3.2"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0198b9d0078e0f30dedc7acbb21c974e838fc8fae3ee170128658a98cb2c1c04"
+checksum = "b90ca2580b73ab6a1f724b76ca11ab632df820fd6040c336200d2c1df7b3c82c"
 
 [[package]]
 name = "ff"
@@ -439,9 +451,9 @@ dependencies = [
 
 [[package]]
 name = "fiat-crypto"
-version = "0.1.20"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e825f6987101665dea6ec934c09ec6d721de7bc1bf92248e1d5810c8cd636b77"
+checksum = "27573eac26f4dd11e2b1916c3fe1baa56407c83c71a773a8ba17ec0bca03b6b7"
 
 [[package]]
 name = "fnv"
@@ -462,9 +474,9 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.10"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
+checksum = "fe9006bed769170c11f845cf00c7c1e9092aeb3f268e007c3e760ac68008070f"
 dependencies = [
  "cfg-if",
  "js-sys",
@@ -475,9 +487,9 @@ dependencies = [
 
 [[package]]
 name = "gimli"
-version = "0.27.2"
+version = "0.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad0a93d233ebf96623465aad4046a8d3aa4da22d4f4beba5388838c8a434bbb4"
+checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
 
 [[package]]
 name = "group"
@@ -496,6 +508,12 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "hashbrown"
+version = "0.14.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
+
 [[package]]
 name = "hex"
 version = "0.4.3"
@@ -505,6 +523,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "hex-literal"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fe2267d4ed49bc07b63801559be28c718ea06c4738b7a03c94df7386d2cde46"
+
 [[package]]
 name = "hmac"
 version = "0.12.1"
@@ -551,7 +575,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
 dependencies = [
  "autocfg",
- "hashbrown",
+ "hashbrown 0.12.3",
+ "serde",
+]
+
+[[package]]
+name = "indexmap"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d530e1a18b1cb4c484e6e34556a0d948706958449fca0cab753d649f2bce3d1f"
+dependencies = [
+ "equivalent",
+ "hashbrown 0.14.3",
  "serde",
 ]
 
@@ -563,9 +598,9 @@ checksum = "8e04e2fd2b8188ea827b32ef11de88377086d690286ab35747ef7f9bf3ccb590"
 
 [[package]]
 name = "itertools"
-version = "0.10.5"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+checksum = "b1c173a5686ce8bfa551b3563d0c2170bf24ca44da99c7ca4bfdab5418c3fe57"
 dependencies = [
  "either",
 ]
@@ -610,9 +645,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.147"
+version = "0.2.150"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
+checksum = "89d92a4743f9a61002fae18374ed11e7973f530cb3a3255fb354818118b2203c"
 
 [[package]]
 name = "libm"
@@ -646,9 +681,9 @@ checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
 name = "miniz_oxide"
-version = "0.6.2"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b275950c28b37e794e8c55d88aeb5e139d0ce23fdbbeda68f8d7174abdf9e8fa"
+checksum = "e7810e0be55b428ada41041c41f32c9f1a42817901b4ccf45fa3d4b6561e74c7"
 dependencies = [
  "adler",
 ]
@@ -666,13 +701,13 @@ dependencies = [
 
 [[package]]
 name = "num-derive"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e6a0fd4f737c707bd9086cc16c925f294943eb62eb71499e9fd4cf71f8b9f4e"
+checksum = "cfb77679af88f8b125209d354a202862602672222e7f2313fdd6dc349bad4712"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -687,18 +722,18 @@ dependencies = [
 
 [[package]]
 name = "num-traits"
-version = "0.2.15"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
+checksum = "39e3200413f237f41ab11ad6d161bc7239c84dcb631773ccd7de3dfe4b5c267c"
 dependencies = [
  "autocfg",
 ]
 
 [[package]]
 name = "object"
-version = "0.30.3"
+version = "0.32.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea86265d3d3dcb6a27fc51bd29a4bf387fae9d2986b823079d4986af253eb439"
+checksum = "9cf5f9dd3933bd50a9e1f149ec995f39ae2c496d31fd772c1fd45ebc27e902b0"
 dependencies = [
  "memchr",
 ]
@@ -744,23 +779,23 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1ceca8aaf45b5c46ec7ed39fff75f57290368c1846d33d24a122ca81416ab058"
 dependencies = [
  "proc-macro2",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.56"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b63bdb0cd06f1f4dedf69b254734f9b45af66e4a031e42a7480257d9898b435"
+checksum = "134c189feb4956b20f6f547d2cf727d4c0fe06722b20a0eec87ed445a97f92da"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.26"
+version = "1.0.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4424af4bf778aae2051a77b60283332f386554255d722233d09fbfc7e30da2fc"
+checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
 dependencies = [
  "proc-macro2",
 ]
@@ -854,29 +889,29 @@ checksum = "bebd363326d05ec3e2f532ab7660680f3b02130d780c299bca73469d521bc0ed"
 
 [[package]]
 name = "serde"
-version = "1.0.160"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb2f3770c8bce3bcda7e149193a069a0f4365bda1fa5cd88e03bca26afc1216c"
+checksum = "bca2a08484b285dcb282d0f67b26cadc0df8b19f8c12502c13d966bf9482f001"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.160"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "291a097c63d8497e00160b166a967a4a79c64f3facdd01cbd7502231688d77df"
+checksum = "d6c7207fbec9faa48073f3e3074cbe553af6ea512d7c21ba46e434e70ea9fbc1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.96"
+version = "1.0.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "057d394a50403bcac12672b2b18fb387ab6d289d957dab67dd201875391e52f1"
+checksum = "3d1c7e3eac408d115102c4c24ad393e0821bb3a5df4d506a80f85f7a742a526b"
 dependencies = [
  "itoa",
  "ryu",
@@ -885,14 +920,15 @@ dependencies = [
 
 [[package]]
 name = "serde_with"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f02d8aa6e3c385bf084924f660ce2a3a6bd333ba55b35e8590b321f35d88513"
+checksum = "64cd236ccc1b7a29e7e2739f27c0b2dd199804abc4290e32f59f3b68d6405c23"
 dependencies = [
  "base64 0.21.0",
  "chrono",
  "hex",
- "indexmap",
+ "indexmap 1.9.3",
+ "indexmap 2.1.0",
  "serde",
  "serde_json",
  "serde_with_macros",
@@ -901,21 +937,21 @@ dependencies = [
 
 [[package]]
 name = "serde_with_macros"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edc7d5d3932fb12ce722ee5e64dd38c504efba37567f0c402f6ca728c3b8b070"
+checksum = "93634eb5f75a2323b16de4748022ac4297f9e76b6dced2be287a099f41b5e788"
 dependencies = [
  "darling",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "sha2"
-version = "0.10.7"
+version = "0.10.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "479fb9d862239e610720565ca91403019f2f00410f1864c5aa7479b950a76ed8"
+checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -948,6 +984,18 @@ version = "1.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a507befe795404456341dfab10cef66ead4c041f62b8b11bbb92bffe5d0953e0"
 
+[[package]]
+name = "soroban-builtin-sdk-macros"
+version = "20.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b42487d6b0268748f753feeb579c6f7908dbb002faf20b703e6a7185b12f0527"
+dependencies = [
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.39",
+]
+
 [[package]]
 name = "soroban-cross-contract-a-contract"
 version = "0.0.0"
@@ -957,9 +1005,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-common"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2508a41765935d3bef43b2264667c4603725cf7ddd851321f1dc2b3bca8bb88"
+checksum = "5bb493483fa3e3ebfb4c081472495d14b0abcfbe04ba142a56ff63056cc62700"
 dependencies = [
  "arbitrary",
  "crate-git-revision",
@@ -975,9 +1023,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-guest"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b41f1b3ebb747487ff9920822112a5816030e053734ed63c05f1a7db476f2768"
+checksum = "3f31a738ef5faf4084c4b1824a8e3f93dfff0261a3909e86060f818e728479a3"
 dependencies = [
  "soroban-env-common",
  "static_assertions",
@@ -985,13 +1033,16 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-host"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "347fc729270de2fc8e312ba1872ef90fdc8dfcd0dacdd07a3bb7a038c41ea6d6"
+checksum = "bdd1172a76c0bc2ce67ec7f28ca37dddbe9fefabe583f80434f5f60aaee3547e"
 dependencies = [
  "backtrace",
+ "curve25519-dalek",
  "ed25519-dalek",
  "getrandom",
+ "hex-literal",
+ "hmac",
  "k256",
  "num-derive",
  "num-integer",
@@ -1000,8 +1051,8 @@ dependencies = [
  "rand_chacha",
  "sha2",
  "sha3",
+ "soroban-builtin-sdk-macros",
  "soroban-env-common",
- "soroban-native-sdk-macros",
  "soroban-wasmi",
  "static_assertions",
  "stellar-strkey",
@@ -1009,9 +1060,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f16b7a75d77ae47143a07f92a35661c21e965f63bb4362d8491188a993687745"
+checksum = "5c0536648cea69ab3bae1801d35f92c0a31e7449cd2c7d14a18fb5e413f43279"
 dependencies = [
  "itertools",
  "proc-macro2",
@@ -1019,45 +1070,36 @@ dependencies = [
  "serde",
  "serde_json",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "soroban-ledger-snapshot"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d202c5870aeec1cb97bfd06a94b8fe691c513ba6da8638deb07d8660e90056ba"
+checksum = "37960eec21d7dc5dbd976fa16e38c056429663a89243798486b07afbb263c9b5"
 dependencies = [
  "serde",
  "serde_json",
+ "serde_with",
  "soroban-env-common",
  "soroban-env-host",
  "thiserror",
 ]
 
-[[package]]
-name = "soroban-native-sdk-macros"
-version = "20.0.0-rc2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe8cf96e5c9308347bc6fa0735d0591475a20b43ed00f96ad2df623bbe9c1e88"
-dependencies = [
- "itertools",
- "proc-macro2",
- "quote",
- "syn 2.0.15",
-]
-
 [[package]]
 name = "soroban-sdk"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d771d43a66ba0df14ff28ac1b37a6568da00afa12f28273a67fe92853ab28f8"
+checksum = "f08e1fdb18dbee88160ea6640962faf021a49f22eb1bd212c4d8b0cef32c582c"
 dependencies = [
  "arbitrary",
  "bytes-lit",
  "ctor",
  "ed25519-dalek",
  "rand",
+ "serde",
+ "serde_json",
  "soroban-env-guest",
  "soroban-env-host",
  "soroban-ledger-snapshot",
@@ -1067,9 +1109,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-sdk-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf5a6dd2e08217fdd75f3f849256dda2614badda9095df233a47c7c8f9783493"
+checksum = "6c5cae44f304f2fd32f9cfa9a31a9b58eb1c10aa07a7d5b591921cf7fa649e44"
 dependencies = [
  "crate-git-revision",
  "darling",
@@ -1082,14 +1124,14 @@ dependencies = [
  "soroban-spec",
  "soroban-spec-rust",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "soroban-spec"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e2a55aab81d7cd1df66f85de3d815fb08fc5fa412270dc374e031e27528c711"
+checksum = "7539cfa0abe36f3d33c49fe1253f6b652c91c9a9841fe83dedc1799b7f4bb55f"
 dependencies = [
  "base64 0.13.1",
  "stellar-xdr",
@@ -1099,9 +1141,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-spec-rust"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1bcfa549d3362e6eafa3a51ad29d571f3dbae2cb9fe33d9f94c00a9f742f71df"
+checksum = "eb6189ef3ede0061db14b0cf9fa2692a2cb6c6e8d941689f0c9ca82b68c47ab2"
 dependencies = [
  "prettyplease",
  "proc-macro2",
@@ -1109,15 +1151,15 @@ dependencies = [
  "sha2",
  "soroban-spec",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
  "thiserror",
 ]
 
 [[package]]
 name = "soroban-wasmi"
-version = "0.31.0-soroban1"
+version = "0.31.1-soroban.20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b6e3e79c1f227ec98ea1e8fbf43d0267b9ca748616c9c8c0162fa2a8ca4d5d2"
+checksum = "c1aaa682a67cbd2173f1d60cb1e7b951d490d7c4e0b7b6f5387cbb952e963c46"
 dependencies = [
  "smallvec",
  "spin",
@@ -1150,26 +1192,29 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "stellar-strkey"
-version = "0.0.7"
+version = "0.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c0689070126ca7f2effc2c5726584446db52190f0cef043c02eb4040a711c11"
+checksum = "12d2bf45e114117ea91d820a846fd1afbe3ba7d717988fee094ce8227a3bf8bd"
 dependencies = [
  "base32",
+ "crate-git-revision",
  "thiserror",
 ]
 
 [[package]]
 name = "stellar-xdr"
-version = "20.0.0-rc1"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e09a3734914a7427dbcd4f06b6dcd2b1cf38e934202f6abe4d73658f718b6113"
+checksum = "9595b775539e475da4179fa46212b11e4575f526d57b13308989a8c1dd59238c"
 dependencies = [
  "arbitrary",
  "base64 0.13.1",
  "crate-git-revision",
+ "escape-bytes",
  "hex",
  "serde",
  "serde_with",
+ "stellar-strkey",
 ]
 
 [[package]]
@@ -1197,9 +1242,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.15"
+version = "2.0.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a34fcf3e8b60f57e6a14301a2e916d323af98b0ea63c599441eec8558660c822"
+checksum = "23e78b90f2fcf45d3e842032ce32e3f2d1545ba6636271dcbf24fa306d87be7a"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1232,7 +1277,7 @@ checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -1370,7 +1415,7 @@ version = "0.88.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb8cf7dd82407fe68161bedcd57fde15596f32ebf6e9b3bdbf3ae1da20e38e5e"
 dependencies = [
- "indexmap",
+ "indexmap 1.9.3",
 ]
 
 [[package]]
diff --git a/cross_contract/contract_a/Cargo.toml b/cross_contract/contract_a/Cargo.toml
index c81301ea..c6bf7eae 100644
--- a/cross_contract/contract_a/Cargo.toml
+++ b/cross_contract/contract_a/Cargo.toml
@@ -11,10 +11,10 @@ crate-type = ["cdylib"]
 doctest = false
 
 [dependencies]
-soroban-sdk = { version = "20.0.0-rc2" }
+soroban-sdk = { version = "20.0.0" }
 
 [dev_dependencies]
-soroban-sdk = { version = "20.0.0-rc2", features = ["testutils"] }
+soroban-sdk = { version = "20.0.0", features = ["testutils"] }
 
 [profile.release]
 opt-level = "z"
diff --git a/cross_contract/contract_b/Cargo.lock b/cross_contract/contract_b/Cargo.lock
index 91419c01..8ab24757 100644
--- a/cross_contract/contract_b/Cargo.lock
+++ b/cross_contract/contract_b/Cargo.lock
@@ -4,9 +4,9 @@ version = 3
 
 [[package]]
 name = "addr2line"
-version = "0.19.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a76fd60b23679b7d19bd066031410fb7e458ccc5e958eb5c325888ce4baedc97"
+checksum = "8a30b2e23b9e17a9f90641c7ab1549cd9b44f296d3ccbf309d2863cfe398a0cb"
 dependencies = [
  "gimli",
 ]
@@ -28,9 +28,9 @@ dependencies = [
 
 [[package]]
 name = "arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2d098ff73c1ca148721f37baad5ea6a465a13f9573aba8641fbbbae8164a54e"
+checksum = "7d5a26814d8dcb93b0e5a0ff3c6d80a8843bafb21b39e8e18a6f05471870e110"
 dependencies = [
  "derive_arbitrary",
 ]
@@ -43,9 +43,9 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "backtrace"
-version = "0.3.67"
+version = "0.3.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "233d376d6d185f2a3093e58f283f60f880315b6c60075b01f36b3b85154564ca"
+checksum = "2089b7e3f35b9dd2d0ed921ead4f6d318c27680d4a5bd167b3ee120edb105837"
 dependencies = [
  "addr2line",
  "cc",
@@ -110,7 +110,7 @@ dependencies = [
  "num-bigint",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -209,14 +209,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1586fa608b1dab41f667475b4a41faec5ba680aee428bfa5de4ea520fdc6e901"
 dependencies = [
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "curve25519-dalek"
-version = "4.0.0"
+version = "4.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f711ade317dd348950a9910f81c5947e3d8907ebd2b83f76203ff1807e6a2bc2"
+checksum = "e89b8c6a2e4b1f45971ad09761aafb85514a84744b67a95e32c3cc1352d1f65c"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -237,7 +237,7 @@ checksum = "83fdaf97f4804dcebfa5862639bc9ce4121e82140bec2a987ac5140294865b5b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -264,7 +264,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "scratch",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -281,7 +281,7 @@ checksum = "2345488264226bf682893e25de0769f3360aac9957980ec49361b083ddaa5bc5"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -305,7 +305,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "strsim",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -316,7 +316,7 @@ checksum = "29a358ff9f12ec09c3e61fef9b5a9902623a695a46a917b07f269bff1445611a"
 dependencies = [
  "darling_core",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -331,13 +331,13 @@ dependencies = [
 
 [[package]]
 name = "derive_arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3cdeb9ec472d588e539a818b2dee436825730da08ad0017c4b1a17676bdc8b7"
+checksum = "67e77553c4162a157adbf834ebae5b415acbecbeafc7a74b0e886657506a7611"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -421,11 +421,23 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
+[[package]]
+name = "escape-bytes"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bfcf67fea2815c2fc3b90873fae90957be12ff417335dfadc7f52927feb03b2"
+
 [[package]]
 name = "ethnum"
-version = "1.3.2"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0198b9d0078e0f30dedc7acbb21c974e838fc8fae3ee170128658a98cb2c1c04"
+checksum = "b90ca2580b73ab6a1f724b76ca11ab632df820fd6040c336200d2c1df7b3c82c"
 
 [[package]]
 name = "ff"
@@ -439,9 +451,9 @@ dependencies = [
 
 [[package]]
 name = "fiat-crypto"
-version = "0.1.20"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e825f6987101665dea6ec934c09ec6d721de7bc1bf92248e1d5810c8cd636b77"
+checksum = "27573eac26f4dd11e2b1916c3fe1baa56407c83c71a773a8ba17ec0bca03b6b7"
 
 [[package]]
 name = "fnv"
@@ -462,9 +474,9 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.10"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
+checksum = "fe9006bed769170c11f845cf00c7c1e9092aeb3f268e007c3e760ac68008070f"
 dependencies = [
  "cfg-if",
  "js-sys",
@@ -475,9 +487,9 @@ dependencies = [
 
 [[package]]
 name = "gimli"
-version = "0.27.2"
+version = "0.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad0a93d233ebf96623465aad4046a8d3aa4da22d4f4beba5388838c8a434bbb4"
+checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
 
 [[package]]
 name = "group"
@@ -496,6 +508,12 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "hashbrown"
+version = "0.14.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
+
 [[package]]
 name = "hex"
 version = "0.4.3"
@@ -505,6 +523,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "hex-literal"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fe2267d4ed49bc07b63801559be28c718ea06c4738b7a03c94df7386d2cde46"
+
 [[package]]
 name = "hmac"
 version = "0.12.1"
@@ -551,7 +575,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
 dependencies = [
  "autocfg",
- "hashbrown",
+ "hashbrown 0.12.3",
+ "serde",
+]
+
+[[package]]
+name = "indexmap"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d530e1a18b1cb4c484e6e34556a0d948706958449fca0cab753d649f2bce3d1f"
+dependencies = [
+ "equivalent",
+ "hashbrown 0.14.3",
  "serde",
 ]
 
@@ -563,9 +598,9 @@ checksum = "8e04e2fd2b8188ea827b32ef11de88377086d690286ab35747ef7f9bf3ccb590"
 
 [[package]]
 name = "itertools"
-version = "0.10.5"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+checksum = "b1c173a5686ce8bfa551b3563d0c2170bf24ca44da99c7ca4bfdab5418c3fe57"
 dependencies = [
  "either",
 ]
@@ -610,9 +645,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.147"
+version = "0.2.150"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
+checksum = "89d92a4743f9a61002fae18374ed11e7973f530cb3a3255fb354818118b2203c"
 
 [[package]]
 name = "libm"
@@ -646,9 +681,9 @@ checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
 name = "miniz_oxide"
-version = "0.6.2"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b275950c28b37e794e8c55d88aeb5e139d0ce23fdbbeda68f8d7174abdf9e8fa"
+checksum = "e7810e0be55b428ada41041c41f32c9f1a42817901b4ccf45fa3d4b6561e74c7"
 dependencies = [
  "adler",
 ]
@@ -666,13 +701,13 @@ dependencies = [
 
 [[package]]
 name = "num-derive"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e6a0fd4f737c707bd9086cc16c925f294943eb62eb71499e9fd4cf71f8b9f4e"
+checksum = "cfb77679af88f8b125209d354a202862602672222e7f2313fdd6dc349bad4712"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -687,18 +722,18 @@ dependencies = [
 
 [[package]]
 name = "num-traits"
-version = "0.2.15"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
+checksum = "39e3200413f237f41ab11ad6d161bc7239c84dcb631773ccd7de3dfe4b5c267c"
 dependencies = [
  "autocfg",
 ]
 
 [[package]]
 name = "object"
-version = "0.30.3"
+version = "0.32.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea86265d3d3dcb6a27fc51bd29a4bf387fae9d2986b823079d4986af253eb439"
+checksum = "9cf5f9dd3933bd50a9e1f149ec995f39ae2c496d31fd772c1fd45ebc27e902b0"
 dependencies = [
  "memchr",
 ]
@@ -744,23 +779,23 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1ceca8aaf45b5c46ec7ed39fff75f57290368c1846d33d24a122ca81416ab058"
 dependencies = [
  "proc-macro2",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.56"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b63bdb0cd06f1f4dedf69b254734f9b45af66e4a031e42a7480257d9898b435"
+checksum = "134c189feb4956b20f6f547d2cf727d4c0fe06722b20a0eec87ed445a97f92da"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.26"
+version = "1.0.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4424af4bf778aae2051a77b60283332f386554255d722233d09fbfc7e30da2fc"
+checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
 dependencies = [
  "proc-macro2",
 ]
@@ -854,29 +889,29 @@ checksum = "bebd363326d05ec3e2f532ab7660680f3b02130d780c299bca73469d521bc0ed"
 
 [[package]]
 name = "serde"
-version = "1.0.160"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb2f3770c8bce3bcda7e149193a069a0f4365bda1fa5cd88e03bca26afc1216c"
+checksum = "bca2a08484b285dcb282d0f67b26cadc0df8b19f8c12502c13d966bf9482f001"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.160"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "291a097c63d8497e00160b166a967a4a79c64f3facdd01cbd7502231688d77df"
+checksum = "d6c7207fbec9faa48073f3e3074cbe553af6ea512d7c21ba46e434e70ea9fbc1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.96"
+version = "1.0.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "057d394a50403bcac12672b2b18fb387ab6d289d957dab67dd201875391e52f1"
+checksum = "3d1c7e3eac408d115102c4c24ad393e0821bb3a5df4d506a80f85f7a742a526b"
 dependencies = [
  "itoa",
  "ryu",
@@ -885,14 +920,15 @@ dependencies = [
 
 [[package]]
 name = "serde_with"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f02d8aa6e3c385bf084924f660ce2a3a6bd333ba55b35e8590b321f35d88513"
+checksum = "64cd236ccc1b7a29e7e2739f27c0b2dd199804abc4290e32f59f3b68d6405c23"
 dependencies = [
  "base64 0.21.0",
  "chrono",
  "hex",
- "indexmap",
+ "indexmap 1.9.3",
+ "indexmap 2.1.0",
  "serde",
  "serde_json",
  "serde_with_macros",
@@ -901,21 +937,21 @@ dependencies = [
 
 [[package]]
 name = "serde_with_macros"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edc7d5d3932fb12ce722ee5e64dd38c504efba37567f0c402f6ca728c3b8b070"
+checksum = "93634eb5f75a2323b16de4748022ac4297f9e76b6dced2be287a099f41b5e788"
 dependencies = [
  "darling",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "sha2"
-version = "0.10.7"
+version = "0.10.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "479fb9d862239e610720565ca91403019f2f00410f1864c5aa7479b950a76ed8"
+checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -948,6 +984,18 @@ version = "1.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a507befe795404456341dfab10cef66ead4c041f62b8b11bbb92bffe5d0953e0"
 
+[[package]]
+name = "soroban-builtin-sdk-macros"
+version = "20.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b42487d6b0268748f753feeb579c6f7908dbb002faf20b703e6a7185b12f0527"
+dependencies = [
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.39",
+]
+
 [[package]]
 name = "soroban-cross-contract-b-contract"
 version = "0.0.0"
@@ -957,9 +1005,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-common"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2508a41765935d3bef43b2264667c4603725cf7ddd851321f1dc2b3bca8bb88"
+checksum = "5bb493483fa3e3ebfb4c081472495d14b0abcfbe04ba142a56ff63056cc62700"
 dependencies = [
  "arbitrary",
  "crate-git-revision",
@@ -975,9 +1023,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-guest"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b41f1b3ebb747487ff9920822112a5816030e053734ed63c05f1a7db476f2768"
+checksum = "3f31a738ef5faf4084c4b1824a8e3f93dfff0261a3909e86060f818e728479a3"
 dependencies = [
  "soroban-env-common",
  "static_assertions",
@@ -985,13 +1033,16 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-host"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "347fc729270de2fc8e312ba1872ef90fdc8dfcd0dacdd07a3bb7a038c41ea6d6"
+checksum = "bdd1172a76c0bc2ce67ec7f28ca37dddbe9fefabe583f80434f5f60aaee3547e"
 dependencies = [
  "backtrace",
+ "curve25519-dalek",
  "ed25519-dalek",
  "getrandom",
+ "hex-literal",
+ "hmac",
  "k256",
  "num-derive",
  "num-integer",
@@ -1000,8 +1051,8 @@ dependencies = [
  "rand_chacha",
  "sha2",
  "sha3",
+ "soroban-builtin-sdk-macros",
  "soroban-env-common",
- "soroban-native-sdk-macros",
  "soroban-wasmi",
  "static_assertions",
  "stellar-strkey",
@@ -1009,9 +1060,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f16b7a75d77ae47143a07f92a35661c21e965f63bb4362d8491188a993687745"
+checksum = "5c0536648cea69ab3bae1801d35f92c0a31e7449cd2c7d14a18fb5e413f43279"
 dependencies = [
  "itertools",
  "proc-macro2",
@@ -1019,45 +1070,36 @@ dependencies = [
  "serde",
  "serde_json",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "soroban-ledger-snapshot"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d202c5870aeec1cb97bfd06a94b8fe691c513ba6da8638deb07d8660e90056ba"
+checksum = "37960eec21d7dc5dbd976fa16e38c056429663a89243798486b07afbb263c9b5"
 dependencies = [
  "serde",
  "serde_json",
+ "serde_with",
  "soroban-env-common",
  "soroban-env-host",
  "thiserror",
 ]
 
-[[package]]
-name = "soroban-native-sdk-macros"
-version = "20.0.0-rc2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe8cf96e5c9308347bc6fa0735d0591475a20b43ed00f96ad2df623bbe9c1e88"
-dependencies = [
- "itertools",
- "proc-macro2",
- "quote",
- "syn 2.0.15",
-]
-
 [[package]]
 name = "soroban-sdk"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d771d43a66ba0df14ff28ac1b37a6568da00afa12f28273a67fe92853ab28f8"
+checksum = "f08e1fdb18dbee88160ea6640962faf021a49f22eb1bd212c4d8b0cef32c582c"
 dependencies = [
  "arbitrary",
  "bytes-lit",
  "ctor",
  "ed25519-dalek",
  "rand",
+ "serde",
+ "serde_json",
  "soroban-env-guest",
  "soroban-env-host",
  "soroban-ledger-snapshot",
@@ -1067,9 +1109,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-sdk-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf5a6dd2e08217fdd75f3f849256dda2614badda9095df233a47c7c8f9783493"
+checksum = "6c5cae44f304f2fd32f9cfa9a31a9b58eb1c10aa07a7d5b591921cf7fa649e44"
 dependencies = [
  "crate-git-revision",
  "darling",
@@ -1082,14 +1124,14 @@ dependencies = [
  "soroban-spec",
  "soroban-spec-rust",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "soroban-spec"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e2a55aab81d7cd1df66f85de3d815fb08fc5fa412270dc374e031e27528c711"
+checksum = "7539cfa0abe36f3d33c49fe1253f6b652c91c9a9841fe83dedc1799b7f4bb55f"
 dependencies = [
  "base64 0.13.1",
  "stellar-xdr",
@@ -1099,9 +1141,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-spec-rust"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1bcfa549d3362e6eafa3a51ad29d571f3dbae2cb9fe33d9f94c00a9f742f71df"
+checksum = "eb6189ef3ede0061db14b0cf9fa2692a2cb6c6e8d941689f0c9ca82b68c47ab2"
 dependencies = [
  "prettyplease",
  "proc-macro2",
@@ -1109,15 +1151,15 @@ dependencies = [
  "sha2",
  "soroban-spec",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
  "thiserror",
 ]
 
 [[package]]
 name = "soroban-wasmi"
-version = "0.31.0-soroban1"
+version = "0.31.1-soroban.20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b6e3e79c1f227ec98ea1e8fbf43d0267b9ca748616c9c8c0162fa2a8ca4d5d2"
+checksum = "c1aaa682a67cbd2173f1d60cb1e7b951d490d7c4e0b7b6f5387cbb952e963c46"
 dependencies = [
  "smallvec",
  "spin",
@@ -1150,26 +1192,29 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "stellar-strkey"
-version = "0.0.7"
+version = "0.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c0689070126ca7f2effc2c5726584446db52190f0cef043c02eb4040a711c11"
+checksum = "12d2bf45e114117ea91d820a846fd1afbe3ba7d717988fee094ce8227a3bf8bd"
 dependencies = [
  "base32",
+ "crate-git-revision",
  "thiserror",
 ]
 
 [[package]]
 name = "stellar-xdr"
-version = "20.0.0-rc1"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e09a3734914a7427dbcd4f06b6dcd2b1cf38e934202f6abe4d73658f718b6113"
+checksum = "9595b775539e475da4179fa46212b11e4575f526d57b13308989a8c1dd59238c"
 dependencies = [
  "arbitrary",
  "base64 0.13.1",
  "crate-git-revision",
+ "escape-bytes",
  "hex",
  "serde",
  "serde_with",
+ "stellar-strkey",
 ]
 
 [[package]]
@@ -1197,9 +1242,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.15"
+version = "2.0.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a34fcf3e8b60f57e6a14301a2e916d323af98b0ea63c599441eec8558660c822"
+checksum = "23e78b90f2fcf45d3e842032ce32e3f2d1545ba6636271dcbf24fa306d87be7a"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1232,7 +1277,7 @@ checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -1370,7 +1415,7 @@ version = "0.88.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb8cf7dd82407fe68161bedcd57fde15596f32ebf6e9b3bdbf3ae1da20e38e5e"
 dependencies = [
- "indexmap",
+ "indexmap 1.9.3",
 ]
 
 [[package]]
diff --git a/cross_contract/contract_b/Cargo.toml b/cross_contract/contract_b/Cargo.toml
index ee81968d..c41de29a 100644
--- a/cross_contract/contract_b/Cargo.toml
+++ b/cross_contract/contract_b/Cargo.toml
@@ -11,10 +11,10 @@ crate-type = ["cdylib"]
 doctest = false
 
 [dependencies]
-soroban-sdk = { version = "20.0.0-rc2" }
+soroban-sdk = { version = "20.0.0" }
 
 [dev_dependencies]
-soroban-sdk = { version = "20.0.0-rc2", features = ["testutils"] }
+soroban-sdk = { version = "20.0.0", features = ["testutils"] }
 
 [profile.release]
 opt-level = "z"
diff --git a/custom_types/Cargo.lock b/custom_types/Cargo.lock
index 5f6bfff9..2f83da6b 100644
--- a/custom_types/Cargo.lock
+++ b/custom_types/Cargo.lock
@@ -4,9 +4,9 @@ version = 3
 
 [[package]]
 name = "addr2line"
-version = "0.19.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a76fd60b23679b7d19bd066031410fb7e458ccc5e958eb5c325888ce4baedc97"
+checksum = "8a30b2e23b9e17a9f90641c7ab1549cd9b44f296d3ccbf309d2863cfe398a0cb"
 dependencies = [
  "gimli",
 ]
@@ -28,9 +28,9 @@ dependencies = [
 
 [[package]]
 name = "arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2d098ff73c1ca148721f37baad5ea6a465a13f9573aba8641fbbbae8164a54e"
+checksum = "7d5a26814d8dcb93b0e5a0ff3c6d80a8843bafb21b39e8e18a6f05471870e110"
 dependencies = [
  "derive_arbitrary",
 ]
@@ -43,9 +43,9 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "backtrace"
-version = "0.3.67"
+version = "0.3.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "233d376d6d185f2a3093e58f283f60f880315b6c60075b01f36b3b85154564ca"
+checksum = "2089b7e3f35b9dd2d0ed921ead4f6d318c27680d4a5bd167b3ee120edb105837"
 dependencies = [
  "addr2line",
  "cc",
@@ -110,7 +110,7 @@ dependencies = [
  "num-bigint",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -209,14 +209,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1586fa608b1dab41f667475b4a41faec5ba680aee428bfa5de4ea520fdc6e901"
 dependencies = [
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "curve25519-dalek"
-version = "4.0.0"
+version = "4.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f711ade317dd348950a9910f81c5947e3d8907ebd2b83f76203ff1807e6a2bc2"
+checksum = "e89b8c6a2e4b1f45971ad09761aafb85514a84744b67a95e32c3cc1352d1f65c"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -237,7 +237,7 @@ checksum = "83fdaf97f4804dcebfa5862639bc9ce4121e82140bec2a987ac5140294865b5b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -264,7 +264,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "scratch",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -281,7 +281,7 @@ checksum = "2345488264226bf682893e25de0769f3360aac9957980ec49361b083ddaa5bc5"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -305,7 +305,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "strsim",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -316,7 +316,7 @@ checksum = "29a358ff9f12ec09c3e61fef9b5a9902623a695a46a917b07f269bff1445611a"
 dependencies = [
  "darling_core",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -331,13 +331,13 @@ dependencies = [
 
 [[package]]
 name = "derive_arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3cdeb9ec472d588e539a818b2dee436825730da08ad0017c4b1a17676bdc8b7"
+checksum = "67e77553c4162a157adbf834ebae5b415acbecbeafc7a74b0e886657506a7611"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -421,11 +421,23 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
+[[package]]
+name = "escape-bytes"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bfcf67fea2815c2fc3b90873fae90957be12ff417335dfadc7f52927feb03b2"
+
 [[package]]
 name = "ethnum"
-version = "1.3.2"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0198b9d0078e0f30dedc7acbb21c974e838fc8fae3ee170128658a98cb2c1c04"
+checksum = "b90ca2580b73ab6a1f724b76ca11ab632df820fd6040c336200d2c1df7b3c82c"
 
 [[package]]
 name = "ff"
@@ -439,9 +451,9 @@ dependencies = [
 
 [[package]]
 name = "fiat-crypto"
-version = "0.1.20"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e825f6987101665dea6ec934c09ec6d721de7bc1bf92248e1d5810c8cd636b77"
+checksum = "27573eac26f4dd11e2b1916c3fe1baa56407c83c71a773a8ba17ec0bca03b6b7"
 
 [[package]]
 name = "fnv"
@@ -462,9 +474,9 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.10"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
+checksum = "fe9006bed769170c11f845cf00c7c1e9092aeb3f268e007c3e760ac68008070f"
 dependencies = [
  "cfg-if",
  "js-sys",
@@ -475,9 +487,9 @@ dependencies = [
 
 [[package]]
 name = "gimli"
-version = "0.27.2"
+version = "0.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad0a93d233ebf96623465aad4046a8d3aa4da22d4f4beba5388838c8a434bbb4"
+checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
 
 [[package]]
 name = "group"
@@ -496,6 +508,12 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "hashbrown"
+version = "0.14.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
+
 [[package]]
 name = "hex"
 version = "0.4.3"
@@ -505,6 +523,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "hex-literal"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fe2267d4ed49bc07b63801559be28c718ea06c4738b7a03c94df7386d2cde46"
+
 [[package]]
 name = "hmac"
 version = "0.12.1"
@@ -551,7 +575,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
 dependencies = [
  "autocfg",
- "hashbrown",
+ "hashbrown 0.12.3",
+ "serde",
+]
+
+[[package]]
+name = "indexmap"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d530e1a18b1cb4c484e6e34556a0d948706958449fca0cab753d649f2bce3d1f"
+dependencies = [
+ "equivalent",
+ "hashbrown 0.14.3",
  "serde",
 ]
 
@@ -563,9 +598,9 @@ checksum = "8e04e2fd2b8188ea827b32ef11de88377086d690286ab35747ef7f9bf3ccb590"
 
 [[package]]
 name = "itertools"
-version = "0.10.5"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+checksum = "b1c173a5686ce8bfa551b3563d0c2170bf24ca44da99c7ca4bfdab5418c3fe57"
 dependencies = [
  "either",
 ]
@@ -610,9 +645,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.147"
+version = "0.2.150"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
+checksum = "89d92a4743f9a61002fae18374ed11e7973f530cb3a3255fb354818118b2203c"
 
 [[package]]
 name = "libm"
@@ -646,9 +681,9 @@ checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
 name = "miniz_oxide"
-version = "0.6.2"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b275950c28b37e794e8c55d88aeb5e139d0ce23fdbbeda68f8d7174abdf9e8fa"
+checksum = "e7810e0be55b428ada41041c41f32c9f1a42817901b4ccf45fa3d4b6561e74c7"
 dependencies = [
  "adler",
 ]
@@ -666,13 +701,13 @@ dependencies = [
 
 [[package]]
 name = "num-derive"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e6a0fd4f737c707bd9086cc16c925f294943eb62eb71499e9fd4cf71f8b9f4e"
+checksum = "cfb77679af88f8b125209d354a202862602672222e7f2313fdd6dc349bad4712"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -687,18 +722,18 @@ dependencies = [
 
 [[package]]
 name = "num-traits"
-version = "0.2.15"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
+checksum = "39e3200413f237f41ab11ad6d161bc7239c84dcb631773ccd7de3dfe4b5c267c"
 dependencies = [
  "autocfg",
 ]
 
 [[package]]
 name = "object"
-version = "0.30.3"
+version = "0.32.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea86265d3d3dcb6a27fc51bd29a4bf387fae9d2986b823079d4986af253eb439"
+checksum = "9cf5f9dd3933bd50a9e1f149ec995f39ae2c496d31fd772c1fd45ebc27e902b0"
 dependencies = [
  "memchr",
 ]
@@ -744,23 +779,23 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1ceca8aaf45b5c46ec7ed39fff75f57290368c1846d33d24a122ca81416ab058"
 dependencies = [
  "proc-macro2",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.56"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b63bdb0cd06f1f4dedf69b254734f9b45af66e4a031e42a7480257d9898b435"
+checksum = "134c189feb4956b20f6f547d2cf727d4c0fe06722b20a0eec87ed445a97f92da"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.26"
+version = "1.0.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4424af4bf778aae2051a77b60283332f386554255d722233d09fbfc7e30da2fc"
+checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
 dependencies = [
  "proc-macro2",
 ]
@@ -854,29 +889,29 @@ checksum = "bebd363326d05ec3e2f532ab7660680f3b02130d780c299bca73469d521bc0ed"
 
 [[package]]
 name = "serde"
-version = "1.0.160"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb2f3770c8bce3bcda7e149193a069a0f4365bda1fa5cd88e03bca26afc1216c"
+checksum = "bca2a08484b285dcb282d0f67b26cadc0df8b19f8c12502c13d966bf9482f001"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.160"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "291a097c63d8497e00160b166a967a4a79c64f3facdd01cbd7502231688d77df"
+checksum = "d6c7207fbec9faa48073f3e3074cbe553af6ea512d7c21ba46e434e70ea9fbc1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.96"
+version = "1.0.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "057d394a50403bcac12672b2b18fb387ab6d289d957dab67dd201875391e52f1"
+checksum = "3d1c7e3eac408d115102c4c24ad393e0821bb3a5df4d506a80f85f7a742a526b"
 dependencies = [
  "itoa",
  "ryu",
@@ -885,14 +920,15 @@ dependencies = [
 
 [[package]]
 name = "serde_with"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f02d8aa6e3c385bf084924f660ce2a3a6bd333ba55b35e8590b321f35d88513"
+checksum = "64cd236ccc1b7a29e7e2739f27c0b2dd199804abc4290e32f59f3b68d6405c23"
 dependencies = [
  "base64 0.21.0",
  "chrono",
  "hex",
- "indexmap",
+ "indexmap 1.9.3",
+ "indexmap 2.1.0",
  "serde",
  "serde_json",
  "serde_with_macros",
@@ -901,21 +937,21 @@ dependencies = [
 
 [[package]]
 name = "serde_with_macros"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edc7d5d3932fb12ce722ee5e64dd38c504efba37567f0c402f6ca728c3b8b070"
+checksum = "93634eb5f75a2323b16de4748022ac4297f9e76b6dced2be287a099f41b5e788"
 dependencies = [
  "darling",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "sha2"
-version = "0.10.7"
+version = "0.10.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "479fb9d862239e610720565ca91403019f2f00410f1864c5aa7479b950a76ed8"
+checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -948,6 +984,18 @@ version = "1.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a507befe795404456341dfab10cef66ead4c041f62b8b11bbb92bffe5d0953e0"
 
+[[package]]
+name = "soroban-builtin-sdk-macros"
+version = "20.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b42487d6b0268748f753feeb579c6f7908dbb002faf20b703e6a7185b12f0527"
+dependencies = [
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.39",
+]
+
 [[package]]
 name = "soroban-custom-types-contract"
 version = "0.0.0"
@@ -957,9 +1005,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-common"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2508a41765935d3bef43b2264667c4603725cf7ddd851321f1dc2b3bca8bb88"
+checksum = "5bb493483fa3e3ebfb4c081472495d14b0abcfbe04ba142a56ff63056cc62700"
 dependencies = [
  "arbitrary",
  "crate-git-revision",
@@ -975,9 +1023,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-guest"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b41f1b3ebb747487ff9920822112a5816030e053734ed63c05f1a7db476f2768"
+checksum = "3f31a738ef5faf4084c4b1824a8e3f93dfff0261a3909e86060f818e728479a3"
 dependencies = [
  "soroban-env-common",
  "static_assertions",
@@ -985,13 +1033,16 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-host"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "347fc729270de2fc8e312ba1872ef90fdc8dfcd0dacdd07a3bb7a038c41ea6d6"
+checksum = "bdd1172a76c0bc2ce67ec7f28ca37dddbe9fefabe583f80434f5f60aaee3547e"
 dependencies = [
  "backtrace",
+ "curve25519-dalek",
  "ed25519-dalek",
  "getrandom",
+ "hex-literal",
+ "hmac",
  "k256",
  "num-derive",
  "num-integer",
@@ -1000,8 +1051,8 @@ dependencies = [
  "rand_chacha",
  "sha2",
  "sha3",
+ "soroban-builtin-sdk-macros",
  "soroban-env-common",
- "soroban-native-sdk-macros",
  "soroban-wasmi",
  "static_assertions",
  "stellar-strkey",
@@ -1009,9 +1060,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f16b7a75d77ae47143a07f92a35661c21e965f63bb4362d8491188a993687745"
+checksum = "5c0536648cea69ab3bae1801d35f92c0a31e7449cd2c7d14a18fb5e413f43279"
 dependencies = [
  "itertools",
  "proc-macro2",
@@ -1019,45 +1070,36 @@ dependencies = [
  "serde",
  "serde_json",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "soroban-ledger-snapshot"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d202c5870aeec1cb97bfd06a94b8fe691c513ba6da8638deb07d8660e90056ba"
+checksum = "37960eec21d7dc5dbd976fa16e38c056429663a89243798486b07afbb263c9b5"
 dependencies = [
  "serde",
  "serde_json",
+ "serde_with",
  "soroban-env-common",
  "soroban-env-host",
  "thiserror",
 ]
 
-[[package]]
-name = "soroban-native-sdk-macros"
-version = "20.0.0-rc2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe8cf96e5c9308347bc6fa0735d0591475a20b43ed00f96ad2df623bbe9c1e88"
-dependencies = [
- "itertools",
- "proc-macro2",
- "quote",
- "syn 2.0.15",
-]
-
 [[package]]
 name = "soroban-sdk"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d771d43a66ba0df14ff28ac1b37a6568da00afa12f28273a67fe92853ab28f8"
+checksum = "f08e1fdb18dbee88160ea6640962faf021a49f22eb1bd212c4d8b0cef32c582c"
 dependencies = [
  "arbitrary",
  "bytes-lit",
  "ctor",
  "ed25519-dalek",
  "rand",
+ "serde",
+ "serde_json",
  "soroban-env-guest",
  "soroban-env-host",
  "soroban-ledger-snapshot",
@@ -1067,9 +1109,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-sdk-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf5a6dd2e08217fdd75f3f849256dda2614badda9095df233a47c7c8f9783493"
+checksum = "6c5cae44f304f2fd32f9cfa9a31a9b58eb1c10aa07a7d5b591921cf7fa649e44"
 dependencies = [
  "crate-git-revision",
  "darling",
@@ -1082,14 +1124,14 @@ dependencies = [
  "soroban-spec",
  "soroban-spec-rust",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "soroban-spec"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e2a55aab81d7cd1df66f85de3d815fb08fc5fa412270dc374e031e27528c711"
+checksum = "7539cfa0abe36f3d33c49fe1253f6b652c91c9a9841fe83dedc1799b7f4bb55f"
 dependencies = [
  "base64 0.13.1",
  "stellar-xdr",
@@ -1099,9 +1141,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-spec-rust"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1bcfa549d3362e6eafa3a51ad29d571f3dbae2cb9fe33d9f94c00a9f742f71df"
+checksum = "eb6189ef3ede0061db14b0cf9fa2692a2cb6c6e8d941689f0c9ca82b68c47ab2"
 dependencies = [
  "prettyplease",
  "proc-macro2",
@@ -1109,15 +1151,15 @@ dependencies = [
  "sha2",
  "soroban-spec",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
  "thiserror",
 ]
 
 [[package]]
 name = "soroban-wasmi"
-version = "0.31.0-soroban1"
+version = "0.31.1-soroban.20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b6e3e79c1f227ec98ea1e8fbf43d0267b9ca748616c9c8c0162fa2a8ca4d5d2"
+checksum = "c1aaa682a67cbd2173f1d60cb1e7b951d490d7c4e0b7b6f5387cbb952e963c46"
 dependencies = [
  "smallvec",
  "spin",
@@ -1150,26 +1192,29 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "stellar-strkey"
-version = "0.0.7"
+version = "0.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c0689070126ca7f2effc2c5726584446db52190f0cef043c02eb4040a711c11"
+checksum = "12d2bf45e114117ea91d820a846fd1afbe3ba7d717988fee094ce8227a3bf8bd"
 dependencies = [
  "base32",
+ "crate-git-revision",
  "thiserror",
 ]
 
 [[package]]
 name = "stellar-xdr"
-version = "20.0.0-rc1"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e09a3734914a7427dbcd4f06b6dcd2b1cf38e934202f6abe4d73658f718b6113"
+checksum = "9595b775539e475da4179fa46212b11e4575f526d57b13308989a8c1dd59238c"
 dependencies = [
  "arbitrary",
  "base64 0.13.1",
  "crate-git-revision",
+ "escape-bytes",
  "hex",
  "serde",
  "serde_with",
+ "stellar-strkey",
 ]
 
 [[package]]
@@ -1197,9 +1242,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.15"
+version = "2.0.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a34fcf3e8b60f57e6a14301a2e916d323af98b0ea63c599441eec8558660c822"
+checksum = "23e78b90f2fcf45d3e842032ce32e3f2d1545ba6636271dcbf24fa306d87be7a"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1232,7 +1277,7 @@ checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -1370,7 +1415,7 @@ version = "0.88.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb8cf7dd82407fe68161bedcd57fde15596f32ebf6e9b3bdbf3ae1da20e38e5e"
 dependencies = [
- "indexmap",
+ "indexmap 1.9.3",
 ]
 
 [[package]]
diff --git a/custom_types/Cargo.toml b/custom_types/Cargo.toml
index 3c8f2d85..bcd4f309 100644
--- a/custom_types/Cargo.toml
+++ b/custom_types/Cargo.toml
@@ -11,10 +11,10 @@ crate-type = ["cdylib"]
 doctest = false
 
 [dependencies]
-soroban-sdk = { version = "20.0.0-rc2" }
+soroban-sdk = { version = "20.0.0" }
 
 [dev_dependencies]
-soroban-sdk = { version = "20.0.0-rc2", features = ["testutils"] }
+soroban-sdk = { version = "20.0.0", features = ["testutils"] }
 
 [profile.release]
 opt-level = "z"
diff --git a/deep_contract_auth/Cargo.lock b/deep_contract_auth/Cargo.lock
index a4ae6c3b..2bfaa8ad 100644
--- a/deep_contract_auth/Cargo.lock
+++ b/deep_contract_auth/Cargo.lock
@@ -4,9 +4,9 @@ version = 3
 
 [[package]]
 name = "addr2line"
-version = "0.19.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a76fd60b23679b7d19bd066031410fb7e458ccc5e958eb5c325888ce4baedc97"
+checksum = "8a30b2e23b9e17a9f90641c7ab1549cd9b44f296d3ccbf309d2863cfe398a0cb"
 dependencies = [
  "gimli",
 ]
@@ -34,9 +34,9 @@ dependencies = [
 
 [[package]]
 name = "arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2d098ff73c1ca148721f37baad5ea6a465a13f9573aba8641fbbbae8164a54e"
+checksum = "7d5a26814d8dcb93b0e5a0ff3c6d80a8843bafb21b39e8e18a6f05471870e110"
 dependencies = [
  "derive_arbitrary",
 ]
@@ -49,9 +49,9 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "backtrace"
-version = "0.3.67"
+version = "0.3.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "233d376d6d185f2a3093e58f283f60f880315b6c60075b01f36b3b85154564ca"
+checksum = "2089b7e3f35b9dd2d0ed921ead4f6d318c27680d4a5bd167b3ee120edb105837"
 dependencies = [
  "addr2line",
  "cc",
@@ -210,9 +210,9 @@ dependencies = [
 
 [[package]]
 name = "curve25519-dalek"
-version = "4.0.0"
+version = "4.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f711ade317dd348950a9910f81c5947e3d8907ebd2b83f76203ff1807e6a2bc2"
+checksum = "e89b8c6a2e4b1f45971ad09761aafb85514a84744b67a95e32c3cc1352d1f65c"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -283,9 +283,9 @@ dependencies = [
 
 [[package]]
 name = "derive_arbitrary"
-version = "1.3.1"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "53e0efad4403bfc52dc201159c4b842a246a14b98c64b55dfd0f2d89729dfeb8"
+checksum = "67e77553c4162a157adbf834ebae5b415acbecbeafc7a74b0e886657506a7611"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -373,11 +373,23 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
+[[package]]
+name = "escape-bytes"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bfcf67fea2815c2fc3b90873fae90957be12ff417335dfadc7f52927feb03b2"
+
 [[package]]
 name = "ethnum"
-version = "1.3.2"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0198b9d0078e0f30dedc7acbb21c974e838fc8fae3ee170128658a98cb2c1c04"
+checksum = "b90ca2580b73ab6a1f724b76ca11ab632df820fd6040c336200d2c1df7b3c82c"
 
 [[package]]
 name = "ff"
@@ -391,9 +403,9 @@ dependencies = [
 
 [[package]]
 name = "fiat-crypto"
-version = "0.1.20"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e825f6987101665dea6ec934c09ec6d721de7bc1bf92248e1d5810c8cd636b77"
+checksum = "27573eac26f4dd11e2b1916c3fe1baa56407c83c71a773a8ba17ec0bca03b6b7"
 
 [[package]]
 name = "fnv"
@@ -414,9 +426,9 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.10"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
+checksum = "fe9006bed769170c11f845cf00c7c1e9092aeb3f268e007c3e760ac68008070f"
 dependencies = [
  "cfg-if",
  "js-sys",
@@ -427,9 +439,9 @@ dependencies = [
 
 [[package]]
 name = "gimli"
-version = "0.27.3"
+version = "0.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b6c80984affa11d98d1b88b66ac8853f143217b399d3c74116778ff8fdb4ed2e"
+checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
 
 [[package]]
 name = "group"
@@ -448,6 +460,12 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "hashbrown"
+version = "0.14.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
+
 [[package]]
 name = "hex"
 version = "0.4.3"
@@ -457,6 +475,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "hex-literal"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fe2267d4ed49bc07b63801559be28c718ea06c4738b7a03c94df7386d2cde46"
+
 [[package]]
 name = "hmac"
 version = "0.12.1"
@@ -502,7 +526,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
 dependencies = [
  "autocfg",
- "hashbrown",
+ "hashbrown 0.12.3",
+ "serde",
+]
+
+[[package]]
+name = "indexmap"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d530e1a18b1cb4c484e6e34556a0d948706958449fca0cab753d649f2bce3d1f"
+dependencies = [
+ "equivalent",
+ "hashbrown 0.14.3",
  "serde",
 ]
 
@@ -514,9 +549,9 @@ checksum = "8e04e2fd2b8188ea827b32ef11de88377086d690286ab35747ef7f9bf3ccb590"
 
 [[package]]
 name = "itertools"
-version = "0.10.5"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+checksum = "b1c173a5686ce8bfa551b3563d0c2170bf24ca44da99c7ca4bfdab5418c3fe57"
 dependencies = [
  "either",
 ]
@@ -561,9 +596,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.147"
+version = "0.2.150"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
+checksum = "89d92a4743f9a61002fae18374ed11e7973f530cb3a3255fb354818118b2203c"
 
 [[package]]
 name = "libm"
@@ -585,9 +620,9 @@ checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
 name = "miniz_oxide"
-version = "0.6.2"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b275950c28b37e794e8c55d88aeb5e139d0ce23fdbbeda68f8d7174abdf9e8fa"
+checksum = "e7810e0be55b428ada41041c41f32c9f1a42817901b4ccf45fa3d4b6561e74c7"
 dependencies = [
  "adler",
 ]
@@ -605,9 +640,9 @@ dependencies = [
 
 [[package]]
 name = "num-derive"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e6a0fd4f737c707bd9086cc16c925f294943eb62eb71499e9fd4cf71f8b9f4e"
+checksum = "cfb77679af88f8b125209d354a202862602672222e7f2313fdd6dc349bad4712"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -626,18 +661,18 @@ dependencies = [
 
 [[package]]
 name = "num-traits"
-version = "0.2.15"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
+checksum = "39e3200413f237f41ab11ad6d161bc7239c84dcb631773ccd7de3dfe4b5c267c"
 dependencies = [
  "autocfg",
 ]
 
 [[package]]
 name = "object"
-version = "0.30.4"
+version = "0.32.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "03b4680b86d9cfafba8fc491dc9b6df26b68cf40e9e6cd73909194759a63c385"
+checksum = "9cf5f9dd3933bd50a9e1f149ec995f39ae2c496d31fd772c1fd45ebc27e902b0"
 dependencies = [
  "memchr",
 ]
@@ -688,18 +723,18 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.63"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b368fba921b0dce7e60f5e04ec15e565b3303972b42bcfde1d0713b881959eb"
+checksum = "134c189feb4956b20f6f547d2cf727d4c0fe06722b20a0eec87ed445a97f92da"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.28"
+version = "1.0.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b9ab9c7eadfd8df19006f1cf1a4aed13540ed5cbc047010ece5826e10825488"
+checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
 dependencies = [
  "proc-macro2",
 ]
@@ -787,18 +822,18 @@ checksum = "bebd363326d05ec3e2f532ab7660680f3b02130d780c299bca73469d521bc0ed"
 
 [[package]]
 name = "serde"
-version = "1.0.164"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e8c8cf938e98f769bc164923b06dce91cea1751522f46f8466461af04c9027d"
+checksum = "bca2a08484b285dcb282d0f67b26cadc0df8b19f8c12502c13d966bf9482f001"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.164"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9735b638ccc51c28bf6914d90a2e9725b377144fc612c49a611fddd1b631d68"
+checksum = "d6c7207fbec9faa48073f3e3074cbe553af6ea512d7c21ba46e434e70ea9fbc1"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -807,9 +842,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.99"
+version = "1.0.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "46266871c240a00b8f503b877622fe33430b3c7d963bdc0f2adc511e54a1eae3"
+checksum = "3d1c7e3eac408d115102c4c24ad393e0821bb3a5df4d506a80f85f7a742a526b"
 dependencies = [
  "itoa",
  "ryu",
@@ -818,14 +853,15 @@ dependencies = [
 
 [[package]]
 name = "serde_with"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f02d8aa6e3c385bf084924f660ce2a3a6bd333ba55b35e8590b321f35d88513"
+checksum = "64cd236ccc1b7a29e7e2739f27c0b2dd199804abc4290e32f59f3b68d6405c23"
 dependencies = [
  "base64 0.21.2",
  "chrono",
  "hex",
- "indexmap",
+ "indexmap 1.9.3",
+ "indexmap 2.1.0",
  "serde",
  "serde_json",
  "serde_with_macros",
@@ -834,9 +870,9 @@ dependencies = [
 
 [[package]]
 name = "serde_with_macros"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edc7d5d3932fb12ce722ee5e64dd38c504efba37567f0c402f6ca728c3b8b070"
+checksum = "93634eb5f75a2323b16de4748022ac4297f9e76b6dced2be287a099f41b5e788"
 dependencies = [
  "darling",
  "proc-macro2",
@@ -846,9 +882,9 @@ dependencies = [
 
 [[package]]
 name = "sha2"
-version = "0.10.7"
+version = "0.10.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "479fb9d862239e610720565ca91403019f2f00410f1864c5aa7479b950a76ed8"
+checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -881,6 +917,18 @@ version = "1.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a507befe795404456341dfab10cef66ead4c041f62b8b11bbb92bffe5d0953e0"
 
+[[package]]
+name = "soroban-builtin-sdk-macros"
+version = "20.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b42487d6b0268748f753feeb579c6f7908dbb002faf20b703e6a7185b12f0527"
+dependencies = [
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "soroban-deployer-contract"
 version = "0.0.0"
@@ -890,9 +938,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-common"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2508a41765935d3bef43b2264667c4603725cf7ddd851321f1dc2b3bca8bb88"
+checksum = "5bb493483fa3e3ebfb4c081472495d14b0abcfbe04ba142a56ff63056cc62700"
 dependencies = [
  "arbitrary",
  "crate-git-revision",
@@ -908,9 +956,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-guest"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b41f1b3ebb747487ff9920822112a5816030e053734ed63c05f1a7db476f2768"
+checksum = "3f31a738ef5faf4084c4b1824a8e3f93dfff0261a3909e86060f818e728479a3"
 dependencies = [
  "soroban-env-common",
  "static_assertions",
@@ -918,13 +966,16 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-host"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "347fc729270de2fc8e312ba1872ef90fdc8dfcd0dacdd07a3bb7a038c41ea6d6"
+checksum = "bdd1172a76c0bc2ce67ec7f28ca37dddbe9fefabe583f80434f5f60aaee3547e"
 dependencies = [
  "backtrace",
+ "curve25519-dalek",
  "ed25519-dalek",
  "getrandom",
+ "hex-literal",
+ "hmac",
  "k256",
  "num-derive",
  "num-integer",
@@ -933,8 +984,8 @@ dependencies = [
  "rand_chacha",
  "sha2",
  "sha3",
+ "soroban-builtin-sdk-macros",
  "soroban-env-common",
- "soroban-native-sdk-macros",
  "soroban-wasmi",
  "static_assertions",
  "stellar-strkey",
@@ -942,9 +993,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f16b7a75d77ae47143a07f92a35661c21e965f63bb4362d8491188a993687745"
+checksum = "5c0536648cea69ab3bae1801d35f92c0a31e7449cd2c7d14a18fb5e413f43279"
 dependencies = [
  "itertools",
  "proc-macro2",
@@ -957,40 +1008,31 @@ dependencies = [
 
 [[package]]
 name = "soroban-ledger-snapshot"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d202c5870aeec1cb97bfd06a94b8fe691c513ba6da8638deb07d8660e90056ba"
+checksum = "37960eec21d7dc5dbd976fa16e38c056429663a89243798486b07afbb263c9b5"
 dependencies = [
  "serde",
  "serde_json",
+ "serde_with",
  "soroban-env-common",
  "soroban-env-host",
  "thiserror",
 ]
 
-[[package]]
-name = "soroban-native-sdk-macros"
-version = "20.0.0-rc2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe8cf96e5c9308347bc6fa0735d0591475a20b43ed00f96ad2df623bbe9c1e88"
-dependencies = [
- "itertools",
- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
 name = "soroban-sdk"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d771d43a66ba0df14ff28ac1b37a6568da00afa12f28273a67fe92853ab28f8"
+checksum = "f08e1fdb18dbee88160ea6640962faf021a49f22eb1bd212c4d8b0cef32c582c"
 dependencies = [
  "arbitrary",
  "bytes-lit",
  "ctor",
  "ed25519-dalek",
  "rand",
+ "serde",
+ "serde_json",
  "soroban-env-guest",
  "soroban-env-host",
  "soroban-ledger-snapshot",
@@ -1000,9 +1042,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-sdk-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf5a6dd2e08217fdd75f3f849256dda2614badda9095df233a47c7c8f9783493"
+checksum = "6c5cae44f304f2fd32f9cfa9a31a9b58eb1c10aa07a7d5b591921cf7fa649e44"
 dependencies = [
  "crate-git-revision",
  "darling",
@@ -1020,9 +1062,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-spec"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e2a55aab81d7cd1df66f85de3d815fb08fc5fa412270dc374e031e27528c711"
+checksum = "7539cfa0abe36f3d33c49fe1253f6b652c91c9a9841fe83dedc1799b7f4bb55f"
 dependencies = [
  "base64 0.13.1",
  "stellar-xdr",
@@ -1032,9 +1074,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-spec-rust"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1bcfa549d3362e6eafa3a51ad29d571f3dbae2cb9fe33d9f94c00a9f742f71df"
+checksum = "eb6189ef3ede0061db14b0cf9fa2692a2cb6c6e8d941689f0c9ca82b68c47ab2"
 dependencies = [
  "prettyplease",
  "proc-macro2",
@@ -1048,9 +1090,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-wasmi"
-version = "0.31.0-soroban1"
+version = "0.31.1-soroban.20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b6e3e79c1f227ec98ea1e8fbf43d0267b9ca748616c9c8c0162fa2a8ca4d5d2"
+checksum = "c1aaa682a67cbd2173f1d60cb1e7b951d490d7c4e0b7b6f5387cbb952e963c46"
 dependencies = [
  "smallvec",
  "spin",
@@ -1083,26 +1125,29 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "stellar-strkey"
-version = "0.0.7"
+version = "0.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c0689070126ca7f2effc2c5726584446db52190f0cef043c02eb4040a711c11"
+checksum = "12d2bf45e114117ea91d820a846fd1afbe3ba7d717988fee094ce8227a3bf8bd"
 dependencies = [
  "base32",
+ "crate-git-revision",
  "thiserror",
 ]
 
 [[package]]
 name = "stellar-xdr"
-version = "20.0.0-rc1"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e09a3734914a7427dbcd4f06b6dcd2b1cf38e934202f6abe4d73658f718b6113"
+checksum = "9595b775539e475da4179fa46212b11e4575f526d57b13308989a8c1dd59238c"
 dependencies = [
  "arbitrary",
  "base64 0.13.1",
  "crate-git-revision",
+ "escape-bytes",
  "hex",
  "serde",
  "serde_with",
+ "stellar-strkey",
 ]
 
 [[package]]
@@ -1119,9 +1164,9 @@ checksum = "81cdd64d312baedb58e21336b31bc043b77e01cc99033ce76ef539f78e965ebc"
 
 [[package]]
 name = "syn"
-version = "2.0.22"
+version = "2.0.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2efbeae7acf4eabd6bcdcbd11c92f45231ddda7539edc7806bd1a04a03b24616"
+checksum = "23e78b90f2fcf45d3e842032ce32e3f2d1545ba6636271dcbf24fa306d87be7a"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1277,7 +1322,7 @@ version = "0.88.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb8cf7dd82407fe68161bedcd57fde15596f32ebf6e9b3bdbf3ae1da20e38e5e"
 dependencies = [
- "indexmap",
+ "indexmap 1.9.3",
 ]
 
 [[package]]
diff --git a/deep_contract_auth/Cargo.toml b/deep_contract_auth/Cargo.toml
index 6608e1d8..ca11649e 100644
--- a/deep_contract_auth/Cargo.toml
+++ b/deep_contract_auth/Cargo.toml
@@ -11,10 +11,10 @@ crate-type = ["cdylib"]
 doctest = false
 
 [dependencies]
-soroban-sdk = { version = "20.0.0-rc2" }
+soroban-sdk = { version = "20.0.0" }
 
 [dev_dependencies]
-soroban-sdk = { version = "20.0.0-rc2", features = ["testutils"] }
+soroban-sdk = { version = "20.0.0", features = ["testutils"] }
 
 [profile.release]
 opt-level = "z"
diff --git a/deployer/contract/Cargo.lock b/deployer/contract/Cargo.lock
index c361d60f..22344a82 100644
--- a/deployer/contract/Cargo.lock
+++ b/deployer/contract/Cargo.lock
@@ -4,9 +4,9 @@ version = 3
 
 [[package]]
 name = "addr2line"
-version = "0.19.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a76fd60b23679b7d19bd066031410fb7e458ccc5e958eb5c325888ce4baedc97"
+checksum = "8a30b2e23b9e17a9f90641c7ab1549cd9b44f296d3ccbf309d2863cfe398a0cb"
 dependencies = [
  "gimli",
 ]
@@ -34,9 +34,9 @@ dependencies = [
 
 [[package]]
 name = "arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2d098ff73c1ca148721f37baad5ea6a465a13f9573aba8641fbbbae8164a54e"
+checksum = "7d5a26814d8dcb93b0e5a0ff3c6d80a8843bafb21b39e8e18a6f05471870e110"
 dependencies = [
  "derive_arbitrary",
 ]
@@ -49,9 +49,9 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "backtrace"
-version = "0.3.67"
+version = "0.3.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "233d376d6d185f2a3093e58f283f60f880315b6c60075b01f36b3b85154564ca"
+checksum = "2089b7e3f35b9dd2d0ed921ead4f6d318c27680d4a5bd167b3ee120edb105837"
 dependencies = [
  "addr2line",
  "cc",
@@ -210,9 +210,9 @@ dependencies = [
 
 [[package]]
 name = "curve25519-dalek"
-version = "4.0.0"
+version = "4.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f711ade317dd348950a9910f81c5947e3d8907ebd2b83f76203ff1807e6a2bc2"
+checksum = "e89b8c6a2e4b1f45971ad09761aafb85514a84744b67a95e32c3cc1352d1f65c"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -283,9 +283,9 @@ dependencies = [
 
 [[package]]
 name = "derive_arbitrary"
-version = "1.3.1"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "53e0efad4403bfc52dc201159c4b842a246a14b98c64b55dfd0f2d89729dfeb8"
+checksum = "67e77553c4162a157adbf834ebae5b415acbecbeafc7a74b0e886657506a7611"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -373,11 +373,23 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
+[[package]]
+name = "escape-bytes"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bfcf67fea2815c2fc3b90873fae90957be12ff417335dfadc7f52927feb03b2"
+
 [[package]]
 name = "ethnum"
-version = "1.3.2"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0198b9d0078e0f30dedc7acbb21c974e838fc8fae3ee170128658a98cb2c1c04"
+checksum = "b90ca2580b73ab6a1f724b76ca11ab632df820fd6040c336200d2c1df7b3c82c"
 
 [[package]]
 name = "ff"
@@ -391,9 +403,9 @@ dependencies = [
 
 [[package]]
 name = "fiat-crypto"
-version = "0.1.20"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e825f6987101665dea6ec934c09ec6d721de7bc1bf92248e1d5810c8cd636b77"
+checksum = "27573eac26f4dd11e2b1916c3fe1baa56407c83c71a773a8ba17ec0bca03b6b7"
 
 [[package]]
 name = "fnv"
@@ -414,9 +426,9 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.10"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
+checksum = "fe9006bed769170c11f845cf00c7c1e9092aeb3f268e007c3e760ac68008070f"
 dependencies = [
  "cfg-if",
  "js-sys",
@@ -427,9 +439,9 @@ dependencies = [
 
 [[package]]
 name = "gimli"
-version = "0.27.3"
+version = "0.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b6c80984affa11d98d1b88b66ac8853f143217b399d3c74116778ff8fdb4ed2e"
+checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
 
 [[package]]
 name = "group"
@@ -448,6 +460,12 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "hashbrown"
+version = "0.14.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
+
 [[package]]
 name = "hex"
 version = "0.4.3"
@@ -457,6 +475,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "hex-literal"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fe2267d4ed49bc07b63801559be28c718ea06c4738b7a03c94df7386d2cde46"
+
 [[package]]
 name = "hmac"
 version = "0.12.1"
@@ -502,7 +526,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
 dependencies = [
  "autocfg",
- "hashbrown",
+ "hashbrown 0.12.3",
+ "serde",
+]
+
+[[package]]
+name = "indexmap"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d530e1a18b1cb4c484e6e34556a0d948706958449fca0cab753d649f2bce3d1f"
+dependencies = [
+ "equivalent",
+ "hashbrown 0.14.3",
  "serde",
 ]
 
@@ -514,9 +549,9 @@ checksum = "8e04e2fd2b8188ea827b32ef11de88377086d690286ab35747ef7f9bf3ccb590"
 
 [[package]]
 name = "itertools"
-version = "0.10.5"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+checksum = "b1c173a5686ce8bfa551b3563d0c2170bf24ca44da99c7ca4bfdab5418c3fe57"
 dependencies = [
  "either",
 ]
@@ -561,9 +596,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.147"
+version = "0.2.150"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
+checksum = "89d92a4743f9a61002fae18374ed11e7973f530cb3a3255fb354818118b2203c"
 
 [[package]]
 name = "libm"
@@ -585,9 +620,9 @@ checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
 name = "miniz_oxide"
-version = "0.6.2"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b275950c28b37e794e8c55d88aeb5e139d0ce23fdbbeda68f8d7174abdf9e8fa"
+checksum = "e7810e0be55b428ada41041c41f32c9f1a42817901b4ccf45fa3d4b6561e74c7"
 dependencies = [
  "adler",
 ]
@@ -605,9 +640,9 @@ dependencies = [
 
 [[package]]
 name = "num-derive"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e6a0fd4f737c707bd9086cc16c925f294943eb62eb71499e9fd4cf71f8b9f4e"
+checksum = "cfb77679af88f8b125209d354a202862602672222e7f2313fdd6dc349bad4712"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -626,18 +661,18 @@ dependencies = [
 
 [[package]]
 name = "num-traits"
-version = "0.2.15"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
+checksum = "39e3200413f237f41ab11ad6d161bc7239c84dcb631773ccd7de3dfe4b5c267c"
 dependencies = [
  "autocfg",
 ]
 
 [[package]]
 name = "object"
-version = "0.30.4"
+version = "0.32.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "03b4680b86d9cfafba8fc491dc9b6df26b68cf40e9e6cd73909194759a63c385"
+checksum = "9cf5f9dd3933bd50a9e1f149ec995f39ae2c496d31fd772c1fd45ebc27e902b0"
 dependencies = [
  "memchr",
 ]
@@ -688,18 +723,18 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.63"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b368fba921b0dce7e60f5e04ec15e565b3303972b42bcfde1d0713b881959eb"
+checksum = "134c189feb4956b20f6f547d2cf727d4c0fe06722b20a0eec87ed445a97f92da"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.28"
+version = "1.0.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b9ab9c7eadfd8df19006f1cf1a4aed13540ed5cbc047010ece5826e10825488"
+checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
 dependencies = [
  "proc-macro2",
 ]
@@ -787,18 +822,18 @@ checksum = "bebd363326d05ec3e2f532ab7660680f3b02130d780c299bca73469d521bc0ed"
 
 [[package]]
 name = "serde"
-version = "1.0.164"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e8c8cf938e98f769bc164923b06dce91cea1751522f46f8466461af04c9027d"
+checksum = "bca2a08484b285dcb282d0f67b26cadc0df8b19f8c12502c13d966bf9482f001"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.164"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9735b638ccc51c28bf6914d90a2e9725b377144fc612c49a611fddd1b631d68"
+checksum = "d6c7207fbec9faa48073f3e3074cbe553af6ea512d7c21ba46e434e70ea9fbc1"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -807,9 +842,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.99"
+version = "1.0.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "46266871c240a00b8f503b877622fe33430b3c7d963bdc0f2adc511e54a1eae3"
+checksum = "3d1c7e3eac408d115102c4c24ad393e0821bb3a5df4d506a80f85f7a742a526b"
 dependencies = [
  "itoa",
  "ryu",
@@ -818,14 +853,15 @@ dependencies = [
 
 [[package]]
 name = "serde_with"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f02d8aa6e3c385bf084924f660ce2a3a6bd333ba55b35e8590b321f35d88513"
+checksum = "64cd236ccc1b7a29e7e2739f27c0b2dd199804abc4290e32f59f3b68d6405c23"
 dependencies = [
  "base64 0.21.2",
  "chrono",
  "hex",
- "indexmap",
+ "indexmap 1.9.3",
+ "indexmap 2.1.0",
  "serde",
  "serde_json",
  "serde_with_macros",
@@ -834,9 +870,9 @@ dependencies = [
 
 [[package]]
 name = "serde_with_macros"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edc7d5d3932fb12ce722ee5e64dd38c504efba37567f0c402f6ca728c3b8b070"
+checksum = "93634eb5f75a2323b16de4748022ac4297f9e76b6dced2be287a099f41b5e788"
 dependencies = [
  "darling",
  "proc-macro2",
@@ -846,9 +882,9 @@ dependencies = [
 
 [[package]]
 name = "sha2"
-version = "0.10.7"
+version = "0.10.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "479fb9d862239e610720565ca91403019f2f00410f1864c5aa7479b950a76ed8"
+checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -881,6 +917,18 @@ version = "1.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a507befe795404456341dfab10cef66ead4c041f62b8b11bbb92bffe5d0953e0"
 
+[[package]]
+name = "soroban-builtin-sdk-macros"
+version = "20.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b42487d6b0268748f753feeb579c6f7908dbb002faf20b703e6a7185b12f0527"
+dependencies = [
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "soroban-deployer-test-contract"
 version = "0.0.0"
@@ -890,9 +938,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-common"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2508a41765935d3bef43b2264667c4603725cf7ddd851321f1dc2b3bca8bb88"
+checksum = "5bb493483fa3e3ebfb4c081472495d14b0abcfbe04ba142a56ff63056cc62700"
 dependencies = [
  "arbitrary",
  "crate-git-revision",
@@ -908,9 +956,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-guest"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b41f1b3ebb747487ff9920822112a5816030e053734ed63c05f1a7db476f2768"
+checksum = "3f31a738ef5faf4084c4b1824a8e3f93dfff0261a3909e86060f818e728479a3"
 dependencies = [
  "soroban-env-common",
  "static_assertions",
@@ -918,13 +966,16 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-host"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "347fc729270de2fc8e312ba1872ef90fdc8dfcd0dacdd07a3bb7a038c41ea6d6"
+checksum = "bdd1172a76c0bc2ce67ec7f28ca37dddbe9fefabe583f80434f5f60aaee3547e"
 dependencies = [
  "backtrace",
+ "curve25519-dalek",
  "ed25519-dalek",
  "getrandom",
+ "hex-literal",
+ "hmac",
  "k256",
  "num-derive",
  "num-integer",
@@ -933,8 +984,8 @@ dependencies = [
  "rand_chacha",
  "sha2",
  "sha3",
+ "soroban-builtin-sdk-macros",
  "soroban-env-common",
- "soroban-native-sdk-macros",
  "soroban-wasmi",
  "static_assertions",
  "stellar-strkey",
@@ -942,9 +993,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f16b7a75d77ae47143a07f92a35661c21e965f63bb4362d8491188a993687745"
+checksum = "5c0536648cea69ab3bae1801d35f92c0a31e7449cd2c7d14a18fb5e413f43279"
 dependencies = [
  "itertools",
  "proc-macro2",
@@ -957,40 +1008,31 @@ dependencies = [
 
 [[package]]
 name = "soroban-ledger-snapshot"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d202c5870aeec1cb97bfd06a94b8fe691c513ba6da8638deb07d8660e90056ba"
+checksum = "37960eec21d7dc5dbd976fa16e38c056429663a89243798486b07afbb263c9b5"
 dependencies = [
  "serde",
  "serde_json",
+ "serde_with",
  "soroban-env-common",
  "soroban-env-host",
  "thiserror",
 ]
 
-[[package]]
-name = "soroban-native-sdk-macros"
-version = "20.0.0-rc2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe8cf96e5c9308347bc6fa0735d0591475a20b43ed00f96ad2df623bbe9c1e88"
-dependencies = [
- "itertools",
- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
 name = "soroban-sdk"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d771d43a66ba0df14ff28ac1b37a6568da00afa12f28273a67fe92853ab28f8"
+checksum = "f08e1fdb18dbee88160ea6640962faf021a49f22eb1bd212c4d8b0cef32c582c"
 dependencies = [
  "arbitrary",
  "bytes-lit",
  "ctor",
  "ed25519-dalek",
  "rand",
+ "serde",
+ "serde_json",
  "soroban-env-guest",
  "soroban-env-host",
  "soroban-ledger-snapshot",
@@ -1000,9 +1042,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-sdk-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf5a6dd2e08217fdd75f3f849256dda2614badda9095df233a47c7c8f9783493"
+checksum = "6c5cae44f304f2fd32f9cfa9a31a9b58eb1c10aa07a7d5b591921cf7fa649e44"
 dependencies = [
  "crate-git-revision",
  "darling",
@@ -1020,9 +1062,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-spec"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e2a55aab81d7cd1df66f85de3d815fb08fc5fa412270dc374e031e27528c711"
+checksum = "7539cfa0abe36f3d33c49fe1253f6b652c91c9a9841fe83dedc1799b7f4bb55f"
 dependencies = [
  "base64 0.13.1",
  "stellar-xdr",
@@ -1032,9 +1074,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-spec-rust"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1bcfa549d3362e6eafa3a51ad29d571f3dbae2cb9fe33d9f94c00a9f742f71df"
+checksum = "eb6189ef3ede0061db14b0cf9fa2692a2cb6c6e8d941689f0c9ca82b68c47ab2"
 dependencies = [
  "prettyplease",
  "proc-macro2",
@@ -1048,9 +1090,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-wasmi"
-version = "0.31.0-soroban1"
+version = "0.31.1-soroban.20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b6e3e79c1f227ec98ea1e8fbf43d0267b9ca748616c9c8c0162fa2a8ca4d5d2"
+checksum = "c1aaa682a67cbd2173f1d60cb1e7b951d490d7c4e0b7b6f5387cbb952e963c46"
 dependencies = [
  "smallvec",
  "spin",
@@ -1083,26 +1125,29 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "stellar-strkey"
-version = "0.0.7"
+version = "0.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c0689070126ca7f2effc2c5726584446db52190f0cef043c02eb4040a711c11"
+checksum = "12d2bf45e114117ea91d820a846fd1afbe3ba7d717988fee094ce8227a3bf8bd"
 dependencies = [
  "base32",
+ "crate-git-revision",
  "thiserror",
 ]
 
 [[package]]
 name = "stellar-xdr"
-version = "20.0.0-rc1"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e09a3734914a7427dbcd4f06b6dcd2b1cf38e934202f6abe4d73658f718b6113"
+checksum = "9595b775539e475da4179fa46212b11e4575f526d57b13308989a8c1dd59238c"
 dependencies = [
  "arbitrary",
  "base64 0.13.1",
  "crate-git-revision",
+ "escape-bytes",
  "hex",
  "serde",
  "serde_with",
+ "stellar-strkey",
 ]
 
 [[package]]
@@ -1119,9 +1164,9 @@ checksum = "81cdd64d312baedb58e21336b31bc043b77e01cc99033ce76ef539f78e965ebc"
 
 [[package]]
 name = "syn"
-version = "2.0.22"
+version = "2.0.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2efbeae7acf4eabd6bcdcbd11c92f45231ddda7539edc7806bd1a04a03b24616"
+checksum = "23e78b90f2fcf45d3e842032ce32e3f2d1545ba6636271dcbf24fa306d87be7a"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1277,7 +1322,7 @@ version = "0.88.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb8cf7dd82407fe68161bedcd57fde15596f32ebf6e9b3bdbf3ae1da20e38e5e"
 dependencies = [
- "indexmap",
+ "indexmap 1.9.3",
 ]
 
 [[package]]
diff --git a/deployer/contract/Cargo.toml b/deployer/contract/Cargo.toml
index bc2944a1..652d13ac 100644
--- a/deployer/contract/Cargo.toml
+++ b/deployer/contract/Cargo.toml
@@ -11,10 +11,10 @@ crate-type = ["cdylib"]
 doctest = false
 
 [dependencies]
-soroban-sdk = { version = "20.0.0-rc2" }
+soroban-sdk = { version = "20.0.0" }
 
 [dev_dependencies]
-soroban-sdk = { version = "20.0.0-rc2", features = ["testutils"] }
+soroban-sdk = { version = "20.0.0", features = ["testutils"] }
 
 [profile.release]
 opt-level = "z"
diff --git a/deployer/deployer/Cargo.lock b/deployer/deployer/Cargo.lock
index a4ae6c3b..2bfaa8ad 100644
--- a/deployer/deployer/Cargo.lock
+++ b/deployer/deployer/Cargo.lock
@@ -4,9 +4,9 @@ version = 3
 
 [[package]]
 name = "addr2line"
-version = "0.19.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a76fd60b23679b7d19bd066031410fb7e458ccc5e958eb5c325888ce4baedc97"
+checksum = "8a30b2e23b9e17a9f90641c7ab1549cd9b44f296d3ccbf309d2863cfe398a0cb"
 dependencies = [
  "gimli",
 ]
@@ -34,9 +34,9 @@ dependencies = [
 
 [[package]]
 name = "arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2d098ff73c1ca148721f37baad5ea6a465a13f9573aba8641fbbbae8164a54e"
+checksum = "7d5a26814d8dcb93b0e5a0ff3c6d80a8843bafb21b39e8e18a6f05471870e110"
 dependencies = [
  "derive_arbitrary",
 ]
@@ -49,9 +49,9 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "backtrace"
-version = "0.3.67"
+version = "0.3.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "233d376d6d185f2a3093e58f283f60f880315b6c60075b01f36b3b85154564ca"
+checksum = "2089b7e3f35b9dd2d0ed921ead4f6d318c27680d4a5bd167b3ee120edb105837"
 dependencies = [
  "addr2line",
  "cc",
@@ -210,9 +210,9 @@ dependencies = [
 
 [[package]]
 name = "curve25519-dalek"
-version = "4.0.0"
+version = "4.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f711ade317dd348950a9910f81c5947e3d8907ebd2b83f76203ff1807e6a2bc2"
+checksum = "e89b8c6a2e4b1f45971ad09761aafb85514a84744b67a95e32c3cc1352d1f65c"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -283,9 +283,9 @@ dependencies = [
 
 [[package]]
 name = "derive_arbitrary"
-version = "1.3.1"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "53e0efad4403bfc52dc201159c4b842a246a14b98c64b55dfd0f2d89729dfeb8"
+checksum = "67e77553c4162a157adbf834ebae5b415acbecbeafc7a74b0e886657506a7611"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -373,11 +373,23 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
+[[package]]
+name = "escape-bytes"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bfcf67fea2815c2fc3b90873fae90957be12ff417335dfadc7f52927feb03b2"
+
 [[package]]
 name = "ethnum"
-version = "1.3.2"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0198b9d0078e0f30dedc7acbb21c974e838fc8fae3ee170128658a98cb2c1c04"
+checksum = "b90ca2580b73ab6a1f724b76ca11ab632df820fd6040c336200d2c1df7b3c82c"
 
 [[package]]
 name = "ff"
@@ -391,9 +403,9 @@ dependencies = [
 
 [[package]]
 name = "fiat-crypto"
-version = "0.1.20"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e825f6987101665dea6ec934c09ec6d721de7bc1bf92248e1d5810c8cd636b77"
+checksum = "27573eac26f4dd11e2b1916c3fe1baa56407c83c71a773a8ba17ec0bca03b6b7"
 
 [[package]]
 name = "fnv"
@@ -414,9 +426,9 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.10"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
+checksum = "fe9006bed769170c11f845cf00c7c1e9092aeb3f268e007c3e760ac68008070f"
 dependencies = [
  "cfg-if",
  "js-sys",
@@ -427,9 +439,9 @@ dependencies = [
 
 [[package]]
 name = "gimli"
-version = "0.27.3"
+version = "0.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b6c80984affa11d98d1b88b66ac8853f143217b399d3c74116778ff8fdb4ed2e"
+checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
 
 [[package]]
 name = "group"
@@ -448,6 +460,12 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "hashbrown"
+version = "0.14.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
+
 [[package]]
 name = "hex"
 version = "0.4.3"
@@ -457,6 +475,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "hex-literal"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fe2267d4ed49bc07b63801559be28c718ea06c4738b7a03c94df7386d2cde46"
+
 [[package]]
 name = "hmac"
 version = "0.12.1"
@@ -502,7 +526,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
 dependencies = [
  "autocfg",
- "hashbrown",
+ "hashbrown 0.12.3",
+ "serde",
+]
+
+[[package]]
+name = "indexmap"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d530e1a18b1cb4c484e6e34556a0d948706958449fca0cab753d649f2bce3d1f"
+dependencies = [
+ "equivalent",
+ "hashbrown 0.14.3",
  "serde",
 ]
 
@@ -514,9 +549,9 @@ checksum = "8e04e2fd2b8188ea827b32ef11de88377086d690286ab35747ef7f9bf3ccb590"
 
 [[package]]
 name = "itertools"
-version = "0.10.5"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+checksum = "b1c173a5686ce8bfa551b3563d0c2170bf24ca44da99c7ca4bfdab5418c3fe57"
 dependencies = [
  "either",
 ]
@@ -561,9 +596,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.147"
+version = "0.2.150"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
+checksum = "89d92a4743f9a61002fae18374ed11e7973f530cb3a3255fb354818118b2203c"
 
 [[package]]
 name = "libm"
@@ -585,9 +620,9 @@ checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
 name = "miniz_oxide"
-version = "0.6.2"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b275950c28b37e794e8c55d88aeb5e139d0ce23fdbbeda68f8d7174abdf9e8fa"
+checksum = "e7810e0be55b428ada41041c41f32c9f1a42817901b4ccf45fa3d4b6561e74c7"
 dependencies = [
  "adler",
 ]
@@ -605,9 +640,9 @@ dependencies = [
 
 [[package]]
 name = "num-derive"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e6a0fd4f737c707bd9086cc16c925f294943eb62eb71499e9fd4cf71f8b9f4e"
+checksum = "cfb77679af88f8b125209d354a202862602672222e7f2313fdd6dc349bad4712"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -626,18 +661,18 @@ dependencies = [
 
 [[package]]
 name = "num-traits"
-version = "0.2.15"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
+checksum = "39e3200413f237f41ab11ad6d161bc7239c84dcb631773ccd7de3dfe4b5c267c"
 dependencies = [
  "autocfg",
 ]
 
 [[package]]
 name = "object"
-version = "0.30.4"
+version = "0.32.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "03b4680b86d9cfafba8fc491dc9b6df26b68cf40e9e6cd73909194759a63c385"
+checksum = "9cf5f9dd3933bd50a9e1f149ec995f39ae2c496d31fd772c1fd45ebc27e902b0"
 dependencies = [
  "memchr",
 ]
@@ -688,18 +723,18 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.63"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b368fba921b0dce7e60f5e04ec15e565b3303972b42bcfde1d0713b881959eb"
+checksum = "134c189feb4956b20f6f547d2cf727d4c0fe06722b20a0eec87ed445a97f92da"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.28"
+version = "1.0.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b9ab9c7eadfd8df19006f1cf1a4aed13540ed5cbc047010ece5826e10825488"
+checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
 dependencies = [
  "proc-macro2",
 ]
@@ -787,18 +822,18 @@ checksum = "bebd363326d05ec3e2f532ab7660680f3b02130d780c299bca73469d521bc0ed"
 
 [[package]]
 name = "serde"
-version = "1.0.164"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e8c8cf938e98f769bc164923b06dce91cea1751522f46f8466461af04c9027d"
+checksum = "bca2a08484b285dcb282d0f67b26cadc0df8b19f8c12502c13d966bf9482f001"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.164"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9735b638ccc51c28bf6914d90a2e9725b377144fc612c49a611fddd1b631d68"
+checksum = "d6c7207fbec9faa48073f3e3074cbe553af6ea512d7c21ba46e434e70ea9fbc1"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -807,9 +842,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.99"
+version = "1.0.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "46266871c240a00b8f503b877622fe33430b3c7d963bdc0f2adc511e54a1eae3"
+checksum = "3d1c7e3eac408d115102c4c24ad393e0821bb3a5df4d506a80f85f7a742a526b"
 dependencies = [
  "itoa",
  "ryu",
@@ -818,14 +853,15 @@ dependencies = [
 
 [[package]]
 name = "serde_with"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f02d8aa6e3c385bf084924f660ce2a3a6bd333ba55b35e8590b321f35d88513"
+checksum = "64cd236ccc1b7a29e7e2739f27c0b2dd199804abc4290e32f59f3b68d6405c23"
 dependencies = [
  "base64 0.21.2",
  "chrono",
  "hex",
- "indexmap",
+ "indexmap 1.9.3",
+ "indexmap 2.1.0",
  "serde",
  "serde_json",
  "serde_with_macros",
@@ -834,9 +870,9 @@ dependencies = [
 
 [[package]]
 name = "serde_with_macros"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edc7d5d3932fb12ce722ee5e64dd38c504efba37567f0c402f6ca728c3b8b070"
+checksum = "93634eb5f75a2323b16de4748022ac4297f9e76b6dced2be287a099f41b5e788"
 dependencies = [
  "darling",
  "proc-macro2",
@@ -846,9 +882,9 @@ dependencies = [
 
 [[package]]
 name = "sha2"
-version = "0.10.7"
+version = "0.10.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "479fb9d862239e610720565ca91403019f2f00410f1864c5aa7479b950a76ed8"
+checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -881,6 +917,18 @@ version = "1.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a507befe795404456341dfab10cef66ead4c041f62b8b11bbb92bffe5d0953e0"
 
+[[package]]
+name = "soroban-builtin-sdk-macros"
+version = "20.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b42487d6b0268748f753feeb579c6f7908dbb002faf20b703e6a7185b12f0527"
+dependencies = [
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "soroban-deployer-contract"
 version = "0.0.0"
@@ -890,9 +938,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-common"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2508a41765935d3bef43b2264667c4603725cf7ddd851321f1dc2b3bca8bb88"
+checksum = "5bb493483fa3e3ebfb4c081472495d14b0abcfbe04ba142a56ff63056cc62700"
 dependencies = [
  "arbitrary",
  "crate-git-revision",
@@ -908,9 +956,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-guest"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b41f1b3ebb747487ff9920822112a5816030e053734ed63c05f1a7db476f2768"
+checksum = "3f31a738ef5faf4084c4b1824a8e3f93dfff0261a3909e86060f818e728479a3"
 dependencies = [
  "soroban-env-common",
  "static_assertions",
@@ -918,13 +966,16 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-host"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "347fc729270de2fc8e312ba1872ef90fdc8dfcd0dacdd07a3bb7a038c41ea6d6"
+checksum = "bdd1172a76c0bc2ce67ec7f28ca37dddbe9fefabe583f80434f5f60aaee3547e"
 dependencies = [
  "backtrace",
+ "curve25519-dalek",
  "ed25519-dalek",
  "getrandom",
+ "hex-literal",
+ "hmac",
  "k256",
  "num-derive",
  "num-integer",
@@ -933,8 +984,8 @@ dependencies = [
  "rand_chacha",
  "sha2",
  "sha3",
+ "soroban-builtin-sdk-macros",
  "soroban-env-common",
- "soroban-native-sdk-macros",
  "soroban-wasmi",
  "static_assertions",
  "stellar-strkey",
@@ -942,9 +993,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f16b7a75d77ae47143a07f92a35661c21e965f63bb4362d8491188a993687745"
+checksum = "5c0536648cea69ab3bae1801d35f92c0a31e7449cd2c7d14a18fb5e413f43279"
 dependencies = [
  "itertools",
  "proc-macro2",
@@ -957,40 +1008,31 @@ dependencies = [
 
 [[package]]
 name = "soroban-ledger-snapshot"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d202c5870aeec1cb97bfd06a94b8fe691c513ba6da8638deb07d8660e90056ba"
+checksum = "37960eec21d7dc5dbd976fa16e38c056429663a89243798486b07afbb263c9b5"
 dependencies = [
  "serde",
  "serde_json",
+ "serde_with",
  "soroban-env-common",
  "soroban-env-host",
  "thiserror",
 ]
 
-[[package]]
-name = "soroban-native-sdk-macros"
-version = "20.0.0-rc2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe8cf96e5c9308347bc6fa0735d0591475a20b43ed00f96ad2df623bbe9c1e88"
-dependencies = [
- "itertools",
- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
 name = "soroban-sdk"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d771d43a66ba0df14ff28ac1b37a6568da00afa12f28273a67fe92853ab28f8"
+checksum = "f08e1fdb18dbee88160ea6640962faf021a49f22eb1bd212c4d8b0cef32c582c"
 dependencies = [
  "arbitrary",
  "bytes-lit",
  "ctor",
  "ed25519-dalek",
  "rand",
+ "serde",
+ "serde_json",
  "soroban-env-guest",
  "soroban-env-host",
  "soroban-ledger-snapshot",
@@ -1000,9 +1042,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-sdk-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf5a6dd2e08217fdd75f3f849256dda2614badda9095df233a47c7c8f9783493"
+checksum = "6c5cae44f304f2fd32f9cfa9a31a9b58eb1c10aa07a7d5b591921cf7fa649e44"
 dependencies = [
  "crate-git-revision",
  "darling",
@@ -1020,9 +1062,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-spec"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e2a55aab81d7cd1df66f85de3d815fb08fc5fa412270dc374e031e27528c711"
+checksum = "7539cfa0abe36f3d33c49fe1253f6b652c91c9a9841fe83dedc1799b7f4bb55f"
 dependencies = [
  "base64 0.13.1",
  "stellar-xdr",
@@ -1032,9 +1074,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-spec-rust"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1bcfa549d3362e6eafa3a51ad29d571f3dbae2cb9fe33d9f94c00a9f742f71df"
+checksum = "eb6189ef3ede0061db14b0cf9fa2692a2cb6c6e8d941689f0c9ca82b68c47ab2"
 dependencies = [
  "prettyplease",
  "proc-macro2",
@@ -1048,9 +1090,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-wasmi"
-version = "0.31.0-soroban1"
+version = "0.31.1-soroban.20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b6e3e79c1f227ec98ea1e8fbf43d0267b9ca748616c9c8c0162fa2a8ca4d5d2"
+checksum = "c1aaa682a67cbd2173f1d60cb1e7b951d490d7c4e0b7b6f5387cbb952e963c46"
 dependencies = [
  "smallvec",
  "spin",
@@ -1083,26 +1125,29 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "stellar-strkey"
-version = "0.0.7"
+version = "0.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c0689070126ca7f2effc2c5726584446db52190f0cef043c02eb4040a711c11"
+checksum = "12d2bf45e114117ea91d820a846fd1afbe3ba7d717988fee094ce8227a3bf8bd"
 dependencies = [
  "base32",
+ "crate-git-revision",
  "thiserror",
 ]
 
 [[package]]
 name = "stellar-xdr"
-version = "20.0.0-rc1"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e09a3734914a7427dbcd4f06b6dcd2b1cf38e934202f6abe4d73658f718b6113"
+checksum = "9595b775539e475da4179fa46212b11e4575f526d57b13308989a8c1dd59238c"
 dependencies = [
  "arbitrary",
  "base64 0.13.1",
  "crate-git-revision",
+ "escape-bytes",
  "hex",
  "serde",
  "serde_with",
+ "stellar-strkey",
 ]
 
 [[package]]
@@ -1119,9 +1164,9 @@ checksum = "81cdd64d312baedb58e21336b31bc043b77e01cc99033ce76ef539f78e965ebc"
 
 [[package]]
 name = "syn"
-version = "2.0.22"
+version = "2.0.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2efbeae7acf4eabd6bcdcbd11c92f45231ddda7539edc7806bd1a04a03b24616"
+checksum = "23e78b90f2fcf45d3e842032ce32e3f2d1545ba6636271dcbf24fa306d87be7a"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1277,7 +1322,7 @@ version = "0.88.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb8cf7dd82407fe68161bedcd57fde15596f32ebf6e9b3bdbf3ae1da20e38e5e"
 dependencies = [
- "indexmap",
+ "indexmap 1.9.3",
 ]
 
 [[package]]
diff --git a/deployer/deployer/Cargo.toml b/deployer/deployer/Cargo.toml
index 6608e1d8..ca11649e 100644
--- a/deployer/deployer/Cargo.toml
+++ b/deployer/deployer/Cargo.toml
@@ -11,10 +11,10 @@ crate-type = ["cdylib"]
 doctest = false
 
 [dependencies]
-soroban-sdk = { version = "20.0.0-rc2" }
+soroban-sdk = { version = "20.0.0" }
 
 [dev_dependencies]
-soroban-sdk = { version = "20.0.0-rc2", features = ["testutils"] }
+soroban-sdk = { version = "20.0.0", features = ["testutils"] }
 
 [profile.release]
 opt-level = "z"
diff --git a/deployer/deployer/src/test.rs b/deployer/deployer/src/test.rs
index a6d09c89..b2f2b450 100644
--- a/deployer/deployer/src/test.rs
+++ b/deployer/deployer/src/test.rs
@@ -61,7 +61,7 @@ fn test_deploy_from_address() {
     let wasm_hash = env.deployer().upload_contract_wasm(contract::WASM);
 
     // Define a deployer address that needs to authorize the deployment.
-    let deployer = Address::random(&env);
+    let deployer = Address::generate(&env);
 
     // Deploy contract using deployer, and include an init function to call.
     let salt = BytesN::from_array(&env, &[0; 32]);
diff --git a/errors/Cargo.lock b/errors/Cargo.lock
index 8a677bed..8f9ec6b9 100644
--- a/errors/Cargo.lock
+++ b/errors/Cargo.lock
@@ -4,9 +4,9 @@ version = 3
 
 [[package]]
 name = "addr2line"
-version = "0.19.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a76fd60b23679b7d19bd066031410fb7e458ccc5e958eb5c325888ce4baedc97"
+checksum = "8a30b2e23b9e17a9f90641c7ab1549cd9b44f296d3ccbf309d2863cfe398a0cb"
 dependencies = [
  "gimli",
 ]
@@ -28,9 +28,9 @@ dependencies = [
 
 [[package]]
 name = "arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2d098ff73c1ca148721f37baad5ea6a465a13f9573aba8641fbbbae8164a54e"
+checksum = "7d5a26814d8dcb93b0e5a0ff3c6d80a8843bafb21b39e8e18a6f05471870e110"
 dependencies = [
  "derive_arbitrary",
 ]
@@ -43,9 +43,9 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "backtrace"
-version = "0.3.67"
+version = "0.3.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "233d376d6d185f2a3093e58f283f60f880315b6c60075b01f36b3b85154564ca"
+checksum = "2089b7e3f35b9dd2d0ed921ead4f6d318c27680d4a5bd167b3ee120edb105837"
 dependencies = [
  "addr2line",
  "cc",
@@ -110,7 +110,7 @@ dependencies = [
  "num-bigint",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -209,14 +209,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1586fa608b1dab41f667475b4a41faec5ba680aee428bfa5de4ea520fdc6e901"
 dependencies = [
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "curve25519-dalek"
-version = "4.0.0"
+version = "4.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f711ade317dd348950a9910f81c5947e3d8907ebd2b83f76203ff1807e6a2bc2"
+checksum = "e89b8c6a2e4b1f45971ad09761aafb85514a84744b67a95e32c3cc1352d1f65c"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -237,7 +237,7 @@ checksum = "83fdaf97f4804dcebfa5862639bc9ce4121e82140bec2a987ac5140294865b5b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -264,7 +264,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "scratch",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -281,7 +281,7 @@ checksum = "2345488264226bf682893e25de0769f3360aac9957980ec49361b083ddaa5bc5"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -305,7 +305,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "strsim",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -316,7 +316,7 @@ checksum = "29a358ff9f12ec09c3e61fef9b5a9902623a695a46a917b07f269bff1445611a"
 dependencies = [
  "darling_core",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -331,13 +331,13 @@ dependencies = [
 
 [[package]]
 name = "derive_arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3cdeb9ec472d588e539a818b2dee436825730da08ad0017c4b1a17676bdc8b7"
+checksum = "67e77553c4162a157adbf834ebae5b415acbecbeafc7a74b0e886657506a7611"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -421,11 +421,23 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
+[[package]]
+name = "escape-bytes"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bfcf67fea2815c2fc3b90873fae90957be12ff417335dfadc7f52927feb03b2"
+
 [[package]]
 name = "ethnum"
-version = "1.3.2"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0198b9d0078e0f30dedc7acbb21c974e838fc8fae3ee170128658a98cb2c1c04"
+checksum = "b90ca2580b73ab6a1f724b76ca11ab632df820fd6040c336200d2c1df7b3c82c"
 
 [[package]]
 name = "ff"
@@ -439,9 +451,9 @@ dependencies = [
 
 [[package]]
 name = "fiat-crypto"
-version = "0.1.20"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e825f6987101665dea6ec934c09ec6d721de7bc1bf92248e1d5810c8cd636b77"
+checksum = "27573eac26f4dd11e2b1916c3fe1baa56407c83c71a773a8ba17ec0bca03b6b7"
 
 [[package]]
 name = "fnv"
@@ -462,9 +474,9 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.10"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
+checksum = "fe9006bed769170c11f845cf00c7c1e9092aeb3f268e007c3e760ac68008070f"
 dependencies = [
  "cfg-if",
  "js-sys",
@@ -475,9 +487,9 @@ dependencies = [
 
 [[package]]
 name = "gimli"
-version = "0.27.2"
+version = "0.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad0a93d233ebf96623465aad4046a8d3aa4da22d4f4beba5388838c8a434bbb4"
+checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
 
 [[package]]
 name = "group"
@@ -496,6 +508,12 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "hashbrown"
+version = "0.14.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
+
 [[package]]
 name = "hex"
 version = "0.4.3"
@@ -505,6 +523,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "hex-literal"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fe2267d4ed49bc07b63801559be28c718ea06c4738b7a03c94df7386d2cde46"
+
 [[package]]
 name = "hmac"
 version = "0.12.1"
@@ -551,7 +575,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
 dependencies = [
  "autocfg",
- "hashbrown",
+ "hashbrown 0.12.3",
+ "serde",
+]
+
+[[package]]
+name = "indexmap"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d530e1a18b1cb4c484e6e34556a0d948706958449fca0cab753d649f2bce3d1f"
+dependencies = [
+ "equivalent",
+ "hashbrown 0.14.3",
  "serde",
 ]
 
@@ -563,9 +598,9 @@ checksum = "8e04e2fd2b8188ea827b32ef11de88377086d690286ab35747ef7f9bf3ccb590"
 
 [[package]]
 name = "itertools"
-version = "0.10.5"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+checksum = "b1c173a5686ce8bfa551b3563d0c2170bf24ca44da99c7ca4bfdab5418c3fe57"
 dependencies = [
  "either",
 ]
@@ -610,9 +645,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.147"
+version = "0.2.150"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
+checksum = "89d92a4743f9a61002fae18374ed11e7973f530cb3a3255fb354818118b2203c"
 
 [[package]]
 name = "libm"
@@ -646,9 +681,9 @@ checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
 name = "miniz_oxide"
-version = "0.6.2"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b275950c28b37e794e8c55d88aeb5e139d0ce23fdbbeda68f8d7174abdf9e8fa"
+checksum = "e7810e0be55b428ada41041c41f32c9f1a42817901b4ccf45fa3d4b6561e74c7"
 dependencies = [
  "adler",
 ]
@@ -666,13 +701,13 @@ dependencies = [
 
 [[package]]
 name = "num-derive"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e6a0fd4f737c707bd9086cc16c925f294943eb62eb71499e9fd4cf71f8b9f4e"
+checksum = "cfb77679af88f8b125209d354a202862602672222e7f2313fdd6dc349bad4712"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -687,18 +722,18 @@ dependencies = [
 
 [[package]]
 name = "num-traits"
-version = "0.2.15"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
+checksum = "39e3200413f237f41ab11ad6d161bc7239c84dcb631773ccd7de3dfe4b5c267c"
 dependencies = [
  "autocfg",
 ]
 
 [[package]]
 name = "object"
-version = "0.30.3"
+version = "0.32.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea86265d3d3dcb6a27fc51bd29a4bf387fae9d2986b823079d4986af253eb439"
+checksum = "9cf5f9dd3933bd50a9e1f149ec995f39ae2c496d31fd772c1fd45ebc27e902b0"
 dependencies = [
  "memchr",
 ]
@@ -744,23 +779,23 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1ceca8aaf45b5c46ec7ed39fff75f57290368c1846d33d24a122ca81416ab058"
 dependencies = [
  "proc-macro2",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.56"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b63bdb0cd06f1f4dedf69b254734f9b45af66e4a031e42a7480257d9898b435"
+checksum = "134c189feb4956b20f6f547d2cf727d4c0fe06722b20a0eec87ed445a97f92da"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.26"
+version = "1.0.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4424af4bf778aae2051a77b60283332f386554255d722233d09fbfc7e30da2fc"
+checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
 dependencies = [
  "proc-macro2",
 ]
@@ -854,29 +889,29 @@ checksum = "bebd363326d05ec3e2f532ab7660680f3b02130d780c299bca73469d521bc0ed"
 
 [[package]]
 name = "serde"
-version = "1.0.160"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb2f3770c8bce3bcda7e149193a069a0f4365bda1fa5cd88e03bca26afc1216c"
+checksum = "bca2a08484b285dcb282d0f67b26cadc0df8b19f8c12502c13d966bf9482f001"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.160"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "291a097c63d8497e00160b166a967a4a79c64f3facdd01cbd7502231688d77df"
+checksum = "d6c7207fbec9faa48073f3e3074cbe553af6ea512d7c21ba46e434e70ea9fbc1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.96"
+version = "1.0.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "057d394a50403bcac12672b2b18fb387ab6d289d957dab67dd201875391e52f1"
+checksum = "3d1c7e3eac408d115102c4c24ad393e0821bb3a5df4d506a80f85f7a742a526b"
 dependencies = [
  "itoa",
  "ryu",
@@ -885,14 +920,15 @@ dependencies = [
 
 [[package]]
 name = "serde_with"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f02d8aa6e3c385bf084924f660ce2a3a6bd333ba55b35e8590b321f35d88513"
+checksum = "64cd236ccc1b7a29e7e2739f27c0b2dd199804abc4290e32f59f3b68d6405c23"
 dependencies = [
  "base64 0.21.0",
  "chrono",
  "hex",
- "indexmap",
+ "indexmap 1.9.3",
+ "indexmap 2.1.0",
  "serde",
  "serde_json",
  "serde_with_macros",
@@ -901,21 +937,21 @@ dependencies = [
 
 [[package]]
 name = "serde_with_macros"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edc7d5d3932fb12ce722ee5e64dd38c504efba37567f0c402f6ca728c3b8b070"
+checksum = "93634eb5f75a2323b16de4748022ac4297f9e76b6dced2be287a099f41b5e788"
 dependencies = [
  "darling",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "sha2"
-version = "0.10.7"
+version = "0.10.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "479fb9d862239e610720565ca91403019f2f00410f1864c5aa7479b950a76ed8"
+checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -948,11 +984,23 @@ version = "1.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a507befe795404456341dfab10cef66ead4c041f62b8b11bbb92bffe5d0953e0"
 
+[[package]]
+name = "soroban-builtin-sdk-macros"
+version = "20.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b42487d6b0268748f753feeb579c6f7908dbb002faf20b703e6a7185b12f0527"
+dependencies = [
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.39",
+]
+
 [[package]]
 name = "soroban-env-common"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2508a41765935d3bef43b2264667c4603725cf7ddd851321f1dc2b3bca8bb88"
+checksum = "5bb493483fa3e3ebfb4c081472495d14b0abcfbe04ba142a56ff63056cc62700"
 dependencies = [
  "arbitrary",
  "crate-git-revision",
@@ -968,9 +1016,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-guest"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b41f1b3ebb747487ff9920822112a5816030e053734ed63c05f1a7db476f2768"
+checksum = "3f31a738ef5faf4084c4b1824a8e3f93dfff0261a3909e86060f818e728479a3"
 dependencies = [
  "soroban-env-common",
  "static_assertions",
@@ -978,13 +1026,16 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-host"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "347fc729270de2fc8e312ba1872ef90fdc8dfcd0dacdd07a3bb7a038c41ea6d6"
+checksum = "bdd1172a76c0bc2ce67ec7f28ca37dddbe9fefabe583f80434f5f60aaee3547e"
 dependencies = [
  "backtrace",
+ "curve25519-dalek",
  "ed25519-dalek",
  "getrandom",
+ "hex-literal",
+ "hmac",
  "k256",
  "num-derive",
  "num-integer",
@@ -993,8 +1044,8 @@ dependencies = [
  "rand_chacha",
  "sha2",
  "sha3",
+ "soroban-builtin-sdk-macros",
  "soroban-env-common",
- "soroban-native-sdk-macros",
  "soroban-wasmi",
  "static_assertions",
  "stellar-strkey",
@@ -1002,9 +1053,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f16b7a75d77ae47143a07f92a35661c21e965f63bb4362d8491188a993687745"
+checksum = "5c0536648cea69ab3bae1801d35f92c0a31e7449cd2c7d14a18fb5e413f43279"
 dependencies = [
  "itertools",
  "proc-macro2",
@@ -1012,7 +1063,7 @@ dependencies = [
  "serde",
  "serde_json",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -1024,40 +1075,31 @@ dependencies = [
 
 [[package]]
 name = "soroban-ledger-snapshot"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d202c5870aeec1cb97bfd06a94b8fe691c513ba6da8638deb07d8660e90056ba"
+checksum = "37960eec21d7dc5dbd976fa16e38c056429663a89243798486b07afbb263c9b5"
 dependencies = [
  "serde",
  "serde_json",
+ "serde_with",
  "soroban-env-common",
  "soroban-env-host",
  "thiserror",
 ]
 
-[[package]]
-name = "soroban-native-sdk-macros"
-version = "20.0.0-rc2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe8cf96e5c9308347bc6fa0735d0591475a20b43ed00f96ad2df623bbe9c1e88"
-dependencies = [
- "itertools",
- "proc-macro2",
- "quote",
- "syn 2.0.15",
-]
-
 [[package]]
 name = "soroban-sdk"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d771d43a66ba0df14ff28ac1b37a6568da00afa12f28273a67fe92853ab28f8"
+checksum = "f08e1fdb18dbee88160ea6640962faf021a49f22eb1bd212c4d8b0cef32c582c"
 dependencies = [
  "arbitrary",
  "bytes-lit",
  "ctor",
  "ed25519-dalek",
  "rand",
+ "serde",
+ "serde_json",
  "soroban-env-guest",
  "soroban-env-host",
  "soroban-ledger-snapshot",
@@ -1067,9 +1109,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-sdk-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf5a6dd2e08217fdd75f3f849256dda2614badda9095df233a47c7c8f9783493"
+checksum = "6c5cae44f304f2fd32f9cfa9a31a9b58eb1c10aa07a7d5b591921cf7fa649e44"
 dependencies = [
  "crate-git-revision",
  "darling",
@@ -1082,14 +1124,14 @@ dependencies = [
  "soroban-spec",
  "soroban-spec-rust",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "soroban-spec"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e2a55aab81d7cd1df66f85de3d815fb08fc5fa412270dc374e031e27528c711"
+checksum = "7539cfa0abe36f3d33c49fe1253f6b652c91c9a9841fe83dedc1799b7f4bb55f"
 dependencies = [
  "base64 0.13.1",
  "stellar-xdr",
@@ -1099,9 +1141,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-spec-rust"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1bcfa549d3362e6eafa3a51ad29d571f3dbae2cb9fe33d9f94c00a9f742f71df"
+checksum = "eb6189ef3ede0061db14b0cf9fa2692a2cb6c6e8d941689f0c9ca82b68c47ab2"
 dependencies = [
  "prettyplease",
  "proc-macro2",
@@ -1109,15 +1151,15 @@ dependencies = [
  "sha2",
  "soroban-spec",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
  "thiserror",
 ]
 
 [[package]]
 name = "soroban-wasmi"
-version = "0.31.0-soroban1"
+version = "0.31.1-soroban.20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b6e3e79c1f227ec98ea1e8fbf43d0267b9ca748616c9c8c0162fa2a8ca4d5d2"
+checksum = "c1aaa682a67cbd2173f1d60cb1e7b951d490d7c4e0b7b6f5387cbb952e963c46"
 dependencies = [
  "smallvec",
  "spin",
@@ -1150,26 +1192,29 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "stellar-strkey"
-version = "0.0.7"
+version = "0.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c0689070126ca7f2effc2c5726584446db52190f0cef043c02eb4040a711c11"
+checksum = "12d2bf45e114117ea91d820a846fd1afbe3ba7d717988fee094ce8227a3bf8bd"
 dependencies = [
  "base32",
+ "crate-git-revision",
  "thiserror",
 ]
 
 [[package]]
 name = "stellar-xdr"
-version = "20.0.0-rc1"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e09a3734914a7427dbcd4f06b6dcd2b1cf38e934202f6abe4d73658f718b6113"
+checksum = "9595b775539e475da4179fa46212b11e4575f526d57b13308989a8c1dd59238c"
 dependencies = [
  "arbitrary",
  "base64 0.13.1",
  "crate-git-revision",
+ "escape-bytes",
  "hex",
  "serde",
  "serde_with",
+ "stellar-strkey",
 ]
 
 [[package]]
@@ -1197,9 +1242,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.15"
+version = "2.0.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a34fcf3e8b60f57e6a14301a2e916d323af98b0ea63c599441eec8558660c822"
+checksum = "23e78b90f2fcf45d3e842032ce32e3f2d1545ba6636271dcbf24fa306d87be7a"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1232,7 +1277,7 @@ checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -1370,7 +1415,7 @@ version = "0.88.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb8cf7dd82407fe68161bedcd57fde15596f32ebf6e9b3bdbf3ae1da20e38e5e"
 dependencies = [
- "indexmap",
+ "indexmap 1.9.3",
 ]
 
 [[package]]
diff --git a/errors/Cargo.toml b/errors/Cargo.toml
index 5149d6b9..23d0482f 100644
--- a/errors/Cargo.toml
+++ b/errors/Cargo.toml
@@ -11,10 +11,10 @@ crate-type = ["cdylib"]
 doctest = false
 
 [dependencies]
-soroban-sdk = { version = "20.0.0-rc2" }
+soroban-sdk = { version = "20.0.0" }
 
 [dev_dependencies]
-soroban-sdk = { version = "20.0.0-rc2", features = ["testutils"] }
+soroban-sdk = { version = "20.0.0", features = ["testutils"] }
 
 [profile.release]
 opt-level = "z"
diff --git a/events/Cargo.lock b/events/Cargo.lock
index ce58e357..a406c385 100644
--- a/events/Cargo.lock
+++ b/events/Cargo.lock
@@ -4,9 +4,9 @@ version = 3
 
 [[package]]
 name = "addr2line"
-version = "0.19.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a76fd60b23679b7d19bd066031410fb7e458ccc5e958eb5c325888ce4baedc97"
+checksum = "8a30b2e23b9e17a9f90641c7ab1549cd9b44f296d3ccbf309d2863cfe398a0cb"
 dependencies = [
  "gimli",
 ]
@@ -28,9 +28,9 @@ dependencies = [
 
 [[package]]
 name = "arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2d098ff73c1ca148721f37baad5ea6a465a13f9573aba8641fbbbae8164a54e"
+checksum = "7d5a26814d8dcb93b0e5a0ff3c6d80a8843bafb21b39e8e18a6f05471870e110"
 dependencies = [
  "derive_arbitrary",
 ]
@@ -43,9 +43,9 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "backtrace"
-version = "0.3.67"
+version = "0.3.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "233d376d6d185f2a3093e58f283f60f880315b6c60075b01f36b3b85154564ca"
+checksum = "2089b7e3f35b9dd2d0ed921ead4f6d318c27680d4a5bd167b3ee120edb105837"
 dependencies = [
  "addr2line",
  "cc",
@@ -110,7 +110,7 @@ dependencies = [
  "num-bigint",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -209,14 +209,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1586fa608b1dab41f667475b4a41faec5ba680aee428bfa5de4ea520fdc6e901"
 dependencies = [
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "curve25519-dalek"
-version = "4.0.0"
+version = "4.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f711ade317dd348950a9910f81c5947e3d8907ebd2b83f76203ff1807e6a2bc2"
+checksum = "e89b8c6a2e4b1f45971ad09761aafb85514a84744b67a95e32c3cc1352d1f65c"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -237,7 +237,7 @@ checksum = "83fdaf97f4804dcebfa5862639bc9ce4121e82140bec2a987ac5140294865b5b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -264,7 +264,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "scratch",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -281,7 +281,7 @@ checksum = "2345488264226bf682893e25de0769f3360aac9957980ec49361b083ddaa5bc5"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -305,7 +305,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "strsim",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -316,7 +316,7 @@ checksum = "29a358ff9f12ec09c3e61fef9b5a9902623a695a46a917b07f269bff1445611a"
 dependencies = [
  "darling_core",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -331,13 +331,13 @@ dependencies = [
 
 [[package]]
 name = "derive_arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3cdeb9ec472d588e539a818b2dee436825730da08ad0017c4b1a17676bdc8b7"
+checksum = "67e77553c4162a157adbf834ebae5b415acbecbeafc7a74b0e886657506a7611"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -421,11 +421,23 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
+[[package]]
+name = "escape-bytes"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bfcf67fea2815c2fc3b90873fae90957be12ff417335dfadc7f52927feb03b2"
+
 [[package]]
 name = "ethnum"
-version = "1.3.2"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0198b9d0078e0f30dedc7acbb21c974e838fc8fae3ee170128658a98cb2c1c04"
+checksum = "b90ca2580b73ab6a1f724b76ca11ab632df820fd6040c336200d2c1df7b3c82c"
 
 [[package]]
 name = "ff"
@@ -439,9 +451,9 @@ dependencies = [
 
 [[package]]
 name = "fiat-crypto"
-version = "0.1.20"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e825f6987101665dea6ec934c09ec6d721de7bc1bf92248e1d5810c8cd636b77"
+checksum = "27573eac26f4dd11e2b1916c3fe1baa56407c83c71a773a8ba17ec0bca03b6b7"
 
 [[package]]
 name = "fnv"
@@ -462,9 +474,9 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.10"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
+checksum = "fe9006bed769170c11f845cf00c7c1e9092aeb3f268e007c3e760ac68008070f"
 dependencies = [
  "cfg-if",
  "js-sys",
@@ -475,9 +487,9 @@ dependencies = [
 
 [[package]]
 name = "gimli"
-version = "0.27.2"
+version = "0.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad0a93d233ebf96623465aad4046a8d3aa4da22d4f4beba5388838c8a434bbb4"
+checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
 
 [[package]]
 name = "group"
@@ -496,6 +508,12 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "hashbrown"
+version = "0.14.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
+
 [[package]]
 name = "hex"
 version = "0.4.3"
@@ -505,6 +523,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "hex-literal"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fe2267d4ed49bc07b63801559be28c718ea06c4738b7a03c94df7386d2cde46"
+
 [[package]]
 name = "hmac"
 version = "0.12.1"
@@ -551,7 +575,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
 dependencies = [
  "autocfg",
- "hashbrown",
+ "hashbrown 0.12.3",
+ "serde",
+]
+
+[[package]]
+name = "indexmap"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d530e1a18b1cb4c484e6e34556a0d948706958449fca0cab753d649f2bce3d1f"
+dependencies = [
+ "equivalent",
+ "hashbrown 0.14.3",
  "serde",
 ]
 
@@ -563,9 +598,9 @@ checksum = "8e04e2fd2b8188ea827b32ef11de88377086d690286ab35747ef7f9bf3ccb590"
 
 [[package]]
 name = "itertools"
-version = "0.10.5"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+checksum = "b1c173a5686ce8bfa551b3563d0c2170bf24ca44da99c7ca4bfdab5418c3fe57"
 dependencies = [
  "either",
 ]
@@ -610,9 +645,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.147"
+version = "0.2.150"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
+checksum = "89d92a4743f9a61002fae18374ed11e7973f530cb3a3255fb354818118b2203c"
 
 [[package]]
 name = "libm"
@@ -646,9 +681,9 @@ checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
 name = "miniz_oxide"
-version = "0.6.2"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b275950c28b37e794e8c55d88aeb5e139d0ce23fdbbeda68f8d7174abdf9e8fa"
+checksum = "e7810e0be55b428ada41041c41f32c9f1a42817901b4ccf45fa3d4b6561e74c7"
 dependencies = [
  "adler",
 ]
@@ -666,13 +701,13 @@ dependencies = [
 
 [[package]]
 name = "num-derive"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e6a0fd4f737c707bd9086cc16c925f294943eb62eb71499e9fd4cf71f8b9f4e"
+checksum = "cfb77679af88f8b125209d354a202862602672222e7f2313fdd6dc349bad4712"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -687,18 +722,18 @@ dependencies = [
 
 [[package]]
 name = "num-traits"
-version = "0.2.15"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
+checksum = "39e3200413f237f41ab11ad6d161bc7239c84dcb631773ccd7de3dfe4b5c267c"
 dependencies = [
  "autocfg",
 ]
 
 [[package]]
 name = "object"
-version = "0.30.3"
+version = "0.32.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea86265d3d3dcb6a27fc51bd29a4bf387fae9d2986b823079d4986af253eb439"
+checksum = "9cf5f9dd3933bd50a9e1f149ec995f39ae2c496d31fd772c1fd45ebc27e902b0"
 dependencies = [
  "memchr",
 ]
@@ -744,23 +779,23 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1ceca8aaf45b5c46ec7ed39fff75f57290368c1846d33d24a122ca81416ab058"
 dependencies = [
  "proc-macro2",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.56"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b63bdb0cd06f1f4dedf69b254734f9b45af66e4a031e42a7480257d9898b435"
+checksum = "134c189feb4956b20f6f547d2cf727d4c0fe06722b20a0eec87ed445a97f92da"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.26"
+version = "1.0.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4424af4bf778aae2051a77b60283332f386554255d722233d09fbfc7e30da2fc"
+checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
 dependencies = [
  "proc-macro2",
 ]
@@ -854,29 +889,29 @@ checksum = "bebd363326d05ec3e2f532ab7660680f3b02130d780c299bca73469d521bc0ed"
 
 [[package]]
 name = "serde"
-version = "1.0.160"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb2f3770c8bce3bcda7e149193a069a0f4365bda1fa5cd88e03bca26afc1216c"
+checksum = "bca2a08484b285dcb282d0f67b26cadc0df8b19f8c12502c13d966bf9482f001"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.160"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "291a097c63d8497e00160b166a967a4a79c64f3facdd01cbd7502231688d77df"
+checksum = "d6c7207fbec9faa48073f3e3074cbe553af6ea512d7c21ba46e434e70ea9fbc1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.96"
+version = "1.0.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "057d394a50403bcac12672b2b18fb387ab6d289d957dab67dd201875391e52f1"
+checksum = "3d1c7e3eac408d115102c4c24ad393e0821bb3a5df4d506a80f85f7a742a526b"
 dependencies = [
  "itoa",
  "ryu",
@@ -885,14 +920,15 @@ dependencies = [
 
 [[package]]
 name = "serde_with"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f02d8aa6e3c385bf084924f660ce2a3a6bd333ba55b35e8590b321f35d88513"
+checksum = "64cd236ccc1b7a29e7e2739f27c0b2dd199804abc4290e32f59f3b68d6405c23"
 dependencies = [
  "base64 0.21.0",
  "chrono",
  "hex",
- "indexmap",
+ "indexmap 1.9.3",
+ "indexmap 2.1.0",
  "serde",
  "serde_json",
  "serde_with_macros",
@@ -901,21 +937,21 @@ dependencies = [
 
 [[package]]
 name = "serde_with_macros"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edc7d5d3932fb12ce722ee5e64dd38c504efba37567f0c402f6ca728c3b8b070"
+checksum = "93634eb5f75a2323b16de4748022ac4297f9e76b6dced2be287a099f41b5e788"
 dependencies = [
  "darling",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "sha2"
-version = "0.10.7"
+version = "0.10.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "479fb9d862239e610720565ca91403019f2f00410f1864c5aa7479b950a76ed8"
+checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -948,11 +984,23 @@ version = "1.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a507befe795404456341dfab10cef66ead4c041f62b8b11bbb92bffe5d0953e0"
 
+[[package]]
+name = "soroban-builtin-sdk-macros"
+version = "20.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b42487d6b0268748f753feeb579c6f7908dbb002faf20b703e6a7185b12f0527"
+dependencies = [
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.39",
+]
+
 [[package]]
 name = "soroban-env-common"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2508a41765935d3bef43b2264667c4603725cf7ddd851321f1dc2b3bca8bb88"
+checksum = "5bb493483fa3e3ebfb4c081472495d14b0abcfbe04ba142a56ff63056cc62700"
 dependencies = [
  "arbitrary",
  "crate-git-revision",
@@ -968,9 +1016,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-guest"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b41f1b3ebb747487ff9920822112a5816030e053734ed63c05f1a7db476f2768"
+checksum = "3f31a738ef5faf4084c4b1824a8e3f93dfff0261a3909e86060f818e728479a3"
 dependencies = [
  "soroban-env-common",
  "static_assertions",
@@ -978,13 +1026,16 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-host"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "347fc729270de2fc8e312ba1872ef90fdc8dfcd0dacdd07a3bb7a038c41ea6d6"
+checksum = "bdd1172a76c0bc2ce67ec7f28ca37dddbe9fefabe583f80434f5f60aaee3547e"
 dependencies = [
  "backtrace",
+ "curve25519-dalek",
  "ed25519-dalek",
  "getrandom",
+ "hex-literal",
+ "hmac",
  "k256",
  "num-derive",
  "num-integer",
@@ -993,8 +1044,8 @@ dependencies = [
  "rand_chacha",
  "sha2",
  "sha3",
+ "soroban-builtin-sdk-macros",
  "soroban-env-common",
- "soroban-native-sdk-macros",
  "soroban-wasmi",
  "static_assertions",
  "stellar-strkey",
@@ -1002,9 +1053,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f16b7a75d77ae47143a07f92a35661c21e965f63bb4362d8491188a993687745"
+checksum = "5c0536648cea69ab3bae1801d35f92c0a31e7449cd2c7d14a18fb5e413f43279"
 dependencies = [
  "itertools",
  "proc-macro2",
@@ -1012,7 +1063,7 @@ dependencies = [
  "serde",
  "serde_json",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -1024,40 +1075,31 @@ dependencies = [
 
 [[package]]
 name = "soroban-ledger-snapshot"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d202c5870aeec1cb97bfd06a94b8fe691c513ba6da8638deb07d8660e90056ba"
+checksum = "37960eec21d7dc5dbd976fa16e38c056429663a89243798486b07afbb263c9b5"
 dependencies = [
  "serde",
  "serde_json",
+ "serde_with",
  "soroban-env-common",
  "soroban-env-host",
  "thiserror",
 ]
 
-[[package]]
-name = "soroban-native-sdk-macros"
-version = "20.0.0-rc2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe8cf96e5c9308347bc6fa0735d0591475a20b43ed00f96ad2df623bbe9c1e88"
-dependencies = [
- "itertools",
- "proc-macro2",
- "quote",
- "syn 2.0.15",
-]
-
 [[package]]
 name = "soroban-sdk"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d771d43a66ba0df14ff28ac1b37a6568da00afa12f28273a67fe92853ab28f8"
+checksum = "f08e1fdb18dbee88160ea6640962faf021a49f22eb1bd212c4d8b0cef32c582c"
 dependencies = [
  "arbitrary",
  "bytes-lit",
  "ctor",
  "ed25519-dalek",
  "rand",
+ "serde",
+ "serde_json",
  "soroban-env-guest",
  "soroban-env-host",
  "soroban-ledger-snapshot",
@@ -1067,9 +1109,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-sdk-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf5a6dd2e08217fdd75f3f849256dda2614badda9095df233a47c7c8f9783493"
+checksum = "6c5cae44f304f2fd32f9cfa9a31a9b58eb1c10aa07a7d5b591921cf7fa649e44"
 dependencies = [
  "crate-git-revision",
  "darling",
@@ -1082,14 +1124,14 @@ dependencies = [
  "soroban-spec",
  "soroban-spec-rust",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "soroban-spec"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e2a55aab81d7cd1df66f85de3d815fb08fc5fa412270dc374e031e27528c711"
+checksum = "7539cfa0abe36f3d33c49fe1253f6b652c91c9a9841fe83dedc1799b7f4bb55f"
 dependencies = [
  "base64 0.13.1",
  "stellar-xdr",
@@ -1099,9 +1141,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-spec-rust"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1bcfa549d3362e6eafa3a51ad29d571f3dbae2cb9fe33d9f94c00a9f742f71df"
+checksum = "eb6189ef3ede0061db14b0cf9fa2692a2cb6c6e8d941689f0c9ca82b68c47ab2"
 dependencies = [
  "prettyplease",
  "proc-macro2",
@@ -1109,15 +1151,15 @@ dependencies = [
  "sha2",
  "soroban-spec",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
  "thiserror",
 ]
 
 [[package]]
 name = "soroban-wasmi"
-version = "0.31.0-soroban1"
+version = "0.31.1-soroban.20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b6e3e79c1f227ec98ea1e8fbf43d0267b9ca748616c9c8c0162fa2a8ca4d5d2"
+checksum = "c1aaa682a67cbd2173f1d60cb1e7b951d490d7c4e0b7b6f5387cbb952e963c46"
 dependencies = [
  "smallvec",
  "spin",
@@ -1150,26 +1192,29 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "stellar-strkey"
-version = "0.0.7"
+version = "0.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c0689070126ca7f2effc2c5726584446db52190f0cef043c02eb4040a711c11"
+checksum = "12d2bf45e114117ea91d820a846fd1afbe3ba7d717988fee094ce8227a3bf8bd"
 dependencies = [
  "base32",
+ "crate-git-revision",
  "thiserror",
 ]
 
 [[package]]
 name = "stellar-xdr"
-version = "20.0.0-rc1"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e09a3734914a7427dbcd4f06b6dcd2b1cf38e934202f6abe4d73658f718b6113"
+checksum = "9595b775539e475da4179fa46212b11e4575f526d57b13308989a8c1dd59238c"
 dependencies = [
  "arbitrary",
  "base64 0.13.1",
  "crate-git-revision",
+ "escape-bytes",
  "hex",
  "serde",
  "serde_with",
+ "stellar-strkey",
 ]
 
 [[package]]
@@ -1197,9 +1242,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.15"
+version = "2.0.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a34fcf3e8b60f57e6a14301a2e916d323af98b0ea63c599441eec8558660c822"
+checksum = "23e78b90f2fcf45d3e842032ce32e3f2d1545ba6636271dcbf24fa306d87be7a"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1232,7 +1277,7 @@ checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -1370,7 +1415,7 @@ version = "0.88.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb8cf7dd82407fe68161bedcd57fde15596f32ebf6e9b3bdbf3ae1da20e38e5e"
 dependencies = [
- "indexmap",
+ "indexmap 1.9.3",
 ]
 
 [[package]]
diff --git a/events/Cargo.toml b/events/Cargo.toml
index 787857e2..3d1505aa 100644
--- a/events/Cargo.toml
+++ b/events/Cargo.toml
@@ -11,10 +11,10 @@ crate-type = ["cdylib"]
 doctest = false
 
 [dependencies]
-soroban-sdk = { version = "20.0.0-rc2" }
+soroban-sdk = { version = "20.0.0" }
 
 [dev_dependencies]
-soroban-sdk = { version = "20.0.0-rc2", features = ["testutils"] }
+soroban-sdk = { version = "20.0.0", features = ["testutils"] }
 
 [profile.release]
 opt-level = "z"
diff --git a/fuzzing/Cargo.lock b/fuzzing/Cargo.lock
index cc44b5c8..3a87b18b 100644
--- a/fuzzing/Cargo.lock
+++ b/fuzzing/Cargo.lock
@@ -4,9 +4,9 @@ version = 3
 
 [[package]]
 name = "addr2line"
-version = "0.19.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a76fd60b23679b7d19bd066031410fb7e458ccc5e958eb5c325888ce4baedc97"
+checksum = "8a30b2e23b9e17a9f90641c7ab1549cd9b44f296d3ccbf309d2863cfe398a0cb"
 dependencies = [
  "gimli",
 ]
@@ -34,9 +34,9 @@ dependencies = [
 
 [[package]]
 name = "arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2d098ff73c1ca148721f37baad5ea6a465a13f9573aba8641fbbbae8164a54e"
+checksum = "7d5a26814d8dcb93b0e5a0ff3c6d80a8843bafb21b39e8e18a6f05471870e110"
 dependencies = [
  "derive_arbitrary",
 ]
@@ -49,9 +49,9 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "backtrace"
-version = "0.3.67"
+version = "0.3.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "233d376d6d185f2a3093e58f283f60f880315b6c60075b01f36b3b85154564ca"
+checksum = "2089b7e3f35b9dd2d0ed921ead4f6d318c27680d4a5bd167b3ee120edb105837"
 dependencies = [
  "addr2line",
  "cc",
@@ -237,9 +237,9 @@ dependencies = [
 
 [[package]]
 name = "curve25519-dalek"
-version = "4.0.0"
+version = "4.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f711ade317dd348950a9910f81c5947e3d8907ebd2b83f76203ff1807e6a2bc2"
+checksum = "e89b8c6a2e4b1f45971ad09761aafb85514a84744b67a95e32c3cc1352d1f65c"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -310,9 +310,9 @@ dependencies = [
 
 [[package]]
 name = "derive_arbitrary"
-version = "1.3.1"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "53e0efad4403bfc52dc201159c4b842a246a14b98c64b55dfd0f2d89729dfeb8"
+checksum = "67e77553c4162a157adbf834ebae5b415acbecbeafc7a74b0e886657506a7611"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -400,6 +400,12 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
 [[package]]
 name = "errno"
 version = "0.3.1"
@@ -421,11 +427,17 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "escape-bytes"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bfcf67fea2815c2fc3b90873fae90957be12ff417335dfadc7f52927feb03b2"
+
 [[package]]
 name = "ethnum"
-version = "1.3.2"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0198b9d0078e0f30dedc7acbb21c974e838fc8fae3ee170128658a98cb2c1c04"
+checksum = "b90ca2580b73ab6a1f724b76ca11ab632df820fd6040c336200d2c1df7b3c82c"
 
 [[package]]
 name = "fastrand"
@@ -448,9 +460,9 @@ dependencies = [
 
 [[package]]
 name = "fiat-crypto"
-version = "0.1.20"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e825f6987101665dea6ec934c09ec6d721de7bc1bf92248e1d5810c8cd636b77"
+checksum = "27573eac26f4dd11e2b1916c3fe1baa56407c83c71a773a8ba17ec0bca03b6b7"
 
 [[package]]
 name = "fnv"
@@ -471,9 +483,9 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.10"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
+checksum = "fe9006bed769170c11f845cf00c7c1e9092aeb3f268e007c3e760ac68008070f"
 dependencies = [
  "cfg-if",
  "js-sys",
@@ -484,9 +496,9 @@ dependencies = [
 
 [[package]]
 name = "gimli"
-version = "0.27.3"
+version = "0.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b6c80984affa11d98d1b88b66ac8853f143217b399d3c74116778ff8fdb4ed2e"
+checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
 
 [[package]]
 name = "group"
@@ -505,6 +517,12 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "hashbrown"
+version = "0.14.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
+
 [[package]]
 name = "hermit-abi"
 version = "0.3.1"
@@ -520,6 +538,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "hex-literal"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fe2267d4ed49bc07b63801559be28c718ea06c4738b7a03c94df7386d2cde46"
+
 [[package]]
 name = "hmac"
 version = "0.12.1"
@@ -565,7 +589,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
 dependencies = [
  "autocfg",
- "hashbrown",
+ "hashbrown 0.12.3",
+ "serde",
+]
+
+[[package]]
+name = "indexmap"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d530e1a18b1cb4c484e6e34556a0d948706958449fca0cab753d649f2bce3d1f"
+dependencies = [
+ "equivalent",
+ "hashbrown 0.14.3",
  "serde",
 ]
 
@@ -597,9 +632,9 @@ dependencies = [
 
 [[package]]
 name = "itertools"
-version = "0.10.5"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+checksum = "b1c173a5686ce8bfa551b3563d0c2170bf24ca44da99c7ca4bfdab5418c3fe57"
 dependencies = [
  "either",
 ]
@@ -650,9 +685,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.146"
+version = "0.2.150"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f92be4933c13fd498862a9e02a3055f8a8d9c039ce33db97306fd5a6caa7f29b"
+checksum = "89d92a4743f9a61002fae18374ed11e7973f530cb3a3255fb354818118b2203c"
 
 [[package]]
 name = "libm"
@@ -680,9 +715,9 @@ checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
 name = "miniz_oxide"
-version = "0.6.2"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b275950c28b37e794e8c55d88aeb5e139d0ce23fdbbeda68f8d7174abdf9e8fa"
+checksum = "e7810e0be55b428ada41041c41f32c9f1a42817901b4ccf45fa3d4b6561e74c7"
 dependencies = [
  "adler",
 ]
@@ -700,9 +735,9 @@ dependencies = [
 
 [[package]]
 name = "num-derive"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e6a0fd4f737c707bd9086cc16c925f294943eb62eb71499e9fd4cf71f8b9f4e"
+checksum = "cfb77679af88f8b125209d354a202862602672222e7f2313fdd6dc349bad4712"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -721,9 +756,9 @@ dependencies = [
 
 [[package]]
 name = "num-traits"
-version = "0.2.15"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
+checksum = "39e3200413f237f41ab11ad6d161bc7239c84dcb631773ccd7de3dfe4b5c267c"
 dependencies = [
  "autocfg",
  "libm",
@@ -731,9 +766,9 @@ dependencies = [
 
 [[package]]
 name = "object"
-version = "0.30.4"
+version = "0.32.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "03b4680b86d9cfafba8fc491dc9b6df26b68cf40e9e6cd73909194759a63c385"
+checksum = "9cf5f9dd3933bd50a9e1f149ec995f39ae2c496d31fd772c1fd45ebc27e902b0"
 dependencies = [
  "memchr",
 ]
@@ -784,9 +819,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.60"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dec2b086b7a862cf4de201096214fa870344cf922b2b30c167badb3af3195406"
+checksum = "134c189feb4956b20f6f547d2cf727d4c0fe06722b20a0eec87ed445a97f92da"
 dependencies = [
  "unicode-ident",
 ]
@@ -829,9 +864,9 @@ checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
 
 [[package]]
 name = "quote"
-version = "1.0.28"
+version = "1.0.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b9ab9c7eadfd8df19006f1cf1a4aed13540ed5cbc047010ece5826e10825488"
+checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
 dependencies = [
  "proc-macro2",
 ]
@@ -969,18 +1004,18 @@ checksum = "bebd363326d05ec3e2f532ab7660680f3b02130d780c299bca73469d521bc0ed"
 
 [[package]]
 name = "serde"
-version = "1.0.164"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e8c8cf938e98f769bc164923b06dce91cea1751522f46f8466461af04c9027d"
+checksum = "bca2a08484b285dcb282d0f67b26cadc0df8b19f8c12502c13d966bf9482f001"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.164"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9735b638ccc51c28bf6914d90a2e9725b377144fc612c49a611fddd1b631d68"
+checksum = "d6c7207fbec9faa48073f3e3074cbe553af6ea512d7c21ba46e434e70ea9fbc1"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -989,9 +1024,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.97"
+version = "1.0.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bdf3bf93142acad5821c99197022e170842cdbc1c30482b98750c688c640842a"
+checksum = "3d1c7e3eac408d115102c4c24ad393e0821bb3a5df4d506a80f85f7a742a526b"
 dependencies = [
  "itoa",
  "ryu",
@@ -1000,14 +1035,15 @@ dependencies = [
 
 [[package]]
 name = "serde_with"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f02d8aa6e3c385bf084924f660ce2a3a6bd333ba55b35e8590b321f35d88513"
+checksum = "64cd236ccc1b7a29e7e2739f27c0b2dd199804abc4290e32f59f3b68d6405c23"
 dependencies = [
  "base64 0.21.2",
  "chrono",
  "hex",
- "indexmap",
+ "indexmap 1.9.3",
+ "indexmap 2.1.0",
  "serde",
  "serde_json",
  "serde_with_macros",
@@ -1016,9 +1052,9 @@ dependencies = [
 
 [[package]]
 name = "serde_with_macros"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edc7d5d3932fb12ce722ee5e64dd38c504efba37567f0c402f6ca728c3b8b070"
+checksum = "93634eb5f75a2323b16de4748022ac4297f9e76b6dced2be287a099f41b5e788"
 dependencies = [
  "darling",
  "proc-macro2",
@@ -1028,9 +1064,9 @@ dependencies = [
 
 [[package]]
 name = "sha2"
-version = "0.10.7"
+version = "0.10.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "479fb9d862239e610720565ca91403019f2f00410f1864c5aa7479b950a76ed8"
+checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -1063,11 +1099,23 @@ version = "1.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a507befe795404456341dfab10cef66ead4c041f62b8b11bbb92bffe5d0953e0"
 
+[[package]]
+name = "soroban-builtin-sdk-macros"
+version = "20.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b42487d6b0268748f753feeb579c6f7908dbb002faf20b703e6a7185b12f0527"
+dependencies = [
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "soroban-env-common"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2508a41765935d3bef43b2264667c4603725cf7ddd851321f1dc2b3bca8bb88"
+checksum = "5bb493483fa3e3ebfb4c081472495d14b0abcfbe04ba142a56ff63056cc62700"
 dependencies = [
  "arbitrary",
  "crate-git-revision",
@@ -1083,9 +1131,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-guest"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b41f1b3ebb747487ff9920822112a5816030e053734ed63c05f1a7db476f2768"
+checksum = "3f31a738ef5faf4084c4b1824a8e3f93dfff0261a3909e86060f818e728479a3"
 dependencies = [
  "soroban-env-common",
  "static_assertions",
@@ -1093,13 +1141,16 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-host"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "347fc729270de2fc8e312ba1872ef90fdc8dfcd0dacdd07a3bb7a038c41ea6d6"
+checksum = "bdd1172a76c0bc2ce67ec7f28ca37dddbe9fefabe583f80434f5f60aaee3547e"
 dependencies = [
  "backtrace",
+ "curve25519-dalek",
  "ed25519-dalek",
  "getrandom",
+ "hex-literal",
+ "hmac",
  "k256",
  "num-derive",
  "num-integer",
@@ -1108,8 +1159,8 @@ dependencies = [
  "rand_chacha",
  "sha2",
  "sha3",
+ "soroban-builtin-sdk-macros",
  "soroban-env-common",
- "soroban-native-sdk-macros",
  "soroban-wasmi",
  "static_assertions",
  "stellar-strkey",
@@ -1117,9 +1168,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f16b7a75d77ae47143a07f92a35661c21e965f63bb4362d8491188a993687745"
+checksum = "5c0536648cea69ab3bae1801d35f92c0a31e7449cd2c7d14a18fb5e413f43279"
 dependencies = [
  "itertools",
  "proc-macro2",
@@ -1142,40 +1193,31 @@ dependencies = [
 
 [[package]]
 name = "soroban-ledger-snapshot"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d202c5870aeec1cb97bfd06a94b8fe691c513ba6da8638deb07d8660e90056ba"
+checksum = "37960eec21d7dc5dbd976fa16e38c056429663a89243798486b07afbb263c9b5"
 dependencies = [
  "serde",
  "serde_json",
+ "serde_with",
  "soroban-env-common",
  "soroban-env-host",
  "thiserror",
 ]
 
-[[package]]
-name = "soroban-native-sdk-macros"
-version = "20.0.0-rc2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe8cf96e5c9308347bc6fa0735d0591475a20b43ed00f96ad2df623bbe9c1e88"
-dependencies = [
- "itertools",
- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
 name = "soroban-sdk"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d771d43a66ba0df14ff28ac1b37a6568da00afa12f28273a67fe92853ab28f8"
+checksum = "f08e1fdb18dbee88160ea6640962faf021a49f22eb1bd212c4d8b0cef32c582c"
 dependencies = [
  "arbitrary",
  "bytes-lit",
  "ctor",
  "ed25519-dalek",
  "rand",
+ "serde",
+ "serde_json",
  "soroban-env-guest",
  "soroban-env-host",
  "soroban-ledger-snapshot",
@@ -1185,9 +1227,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-sdk-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf5a6dd2e08217fdd75f3f849256dda2614badda9095df233a47c7c8f9783493"
+checksum = "6c5cae44f304f2fd32f9cfa9a31a9b58eb1c10aa07a7d5b591921cf7fa649e44"
 dependencies = [
  "crate-git-revision",
  "darling",
@@ -1205,9 +1247,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-spec"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e2a55aab81d7cd1df66f85de3d815fb08fc5fa412270dc374e031e27528c711"
+checksum = "7539cfa0abe36f3d33c49fe1253f6b652c91c9a9841fe83dedc1799b7f4bb55f"
 dependencies = [
  "base64 0.13.1",
  "stellar-xdr",
@@ -1217,9 +1259,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-spec-rust"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1bcfa549d3362e6eafa3a51ad29d571f3dbae2cb9fe33d9f94c00a9f742f71df"
+checksum = "eb6189ef3ede0061db14b0cf9fa2692a2cb6c6e8d941689f0c9ca82b68c47ab2"
 dependencies = [
  "prettyplease",
  "proc-macro2",
@@ -1233,9 +1275,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-wasmi"
-version = "0.31.0-soroban1"
+version = "0.31.1-soroban.20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b6e3e79c1f227ec98ea1e8fbf43d0267b9ca748616c9c8c0162fa2a8ca4d5d2"
+checksum = "c1aaa682a67cbd2173f1d60cb1e7b951d490d7c4e0b7b6f5387cbb952e963c46"
 dependencies = [
  "smallvec",
  "spin",
@@ -1268,26 +1310,29 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "stellar-strkey"
-version = "0.0.7"
+version = "0.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c0689070126ca7f2effc2c5726584446db52190f0cef043c02eb4040a711c11"
+checksum = "12d2bf45e114117ea91d820a846fd1afbe3ba7d717988fee094ce8227a3bf8bd"
 dependencies = [
  "base32",
+ "crate-git-revision",
  "thiserror",
 ]
 
 [[package]]
 name = "stellar-xdr"
-version = "20.0.0-rc1"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e09a3734914a7427dbcd4f06b6dcd2b1cf38e934202f6abe4d73658f718b6113"
+checksum = "9595b775539e475da4179fa46212b11e4575f526d57b13308989a8c1dd59238c"
 dependencies = [
  "arbitrary",
  "base64 0.13.1",
  "crate-git-revision",
+ "escape-bytes",
  "hex",
  "serde",
  "serde_with",
+ "stellar-strkey",
 ]
 
 [[package]]
@@ -1304,9 +1349,9 @@ checksum = "81cdd64d312baedb58e21336b31bc043b77e01cc99033ce76ef539f78e965ebc"
 
 [[package]]
 name = "syn"
-version = "2.0.18"
+version = "2.0.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "32d41677bcbe24c20c52e7c70b0d8db04134c5d1066bf98662e2871ad200ea3e"
+checksum = "23e78b90f2fcf45d3e842032ce32e3f2d1545ba6636271dcbf24fa306d87be7a"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1491,7 +1536,7 @@ version = "0.88.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb8cf7dd82407fe68161bedcd57fde15596f32ebf6e9b3bdbf3ae1da20e38e5e"
 dependencies = [
- "indexmap",
+ "indexmap 1.9.3",
 ]
 
 [[package]]
diff --git a/fuzzing/Cargo.toml b/fuzzing/Cargo.toml
index 140757b7..d6939694 100644
--- a/fuzzing/Cargo.toml
+++ b/fuzzing/Cargo.toml
@@ -14,10 +14,10 @@ doctest = false
 testutils = []
 
 [dependencies]
-soroban-sdk = { version = "20.0.0-rc2" }
+soroban-sdk = { version = "20.0.0" }
 
 [dev_dependencies]
-soroban-sdk = { version = "20.0.0-rc2", features = ["testutils"] }
+soroban-sdk = { version = "20.0.0", features = ["testutils"] }
 arbitrary = { version = "1.1.3", features = ["derive"] }
 proptest  = "1.2.0"
 proptest-arbitrary-interop = "0.1.0"
diff --git a/fuzzing/fuzz/Cargo.lock b/fuzzing/fuzz/Cargo.lock
index 97438828..e007035d 100644
--- a/fuzzing/fuzz/Cargo.lock
+++ b/fuzzing/fuzz/Cargo.lock
@@ -4,9 +4,9 @@ version = 3
 
 [[package]]
 name = "addr2line"
-version = "0.19.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a76fd60b23679b7d19bd066031410fb7e458ccc5e958eb5c325888ce4baedc97"
+checksum = "8a30b2e23b9e17a9f90641c7ab1549cd9b44f296d3ccbf309d2863cfe398a0cb"
 dependencies = [
  "gimli",
 ]
@@ -34,9 +34,9 @@ dependencies = [
 
 [[package]]
 name = "arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2d098ff73c1ca148721f37baad5ea6a465a13f9573aba8641fbbbae8164a54e"
+checksum = "7d5a26814d8dcb93b0e5a0ff3c6d80a8843bafb21b39e8e18a6f05471870e110"
 dependencies = [
  "derive_arbitrary",
 ]
@@ -49,9 +49,9 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "backtrace"
-version = "0.3.67"
+version = "0.3.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "233d376d6d185f2a3093e58f283f60f880315b6c60075b01f36b3b85154564ca"
+checksum = "2089b7e3f35b9dd2d0ed921ead4f6d318c27680d4a5bd167b3ee120edb105837"
 dependencies = [
  "addr2line",
  "cc",
@@ -213,9 +213,9 @@ dependencies = [
 
 [[package]]
 name = "curve25519-dalek"
-version = "4.0.0"
+version = "4.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f711ade317dd348950a9910f81c5947e3d8907ebd2b83f76203ff1807e6a2bc2"
+checksum = "e89b8c6a2e4b1f45971ad09761aafb85514a84744b67a95e32c3cc1352d1f65c"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -286,9 +286,9 @@ dependencies = [
 
 [[package]]
 name = "derive_arbitrary"
-version = "1.3.1"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "53e0efad4403bfc52dc201159c4b842a246a14b98c64b55dfd0f2d89729dfeb8"
+checksum = "67e77553c4162a157adbf834ebae5b415acbecbeafc7a74b0e886657506a7611"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -376,11 +376,23 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
+[[package]]
+name = "escape-bytes"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bfcf67fea2815c2fc3b90873fae90957be12ff417335dfadc7f52927feb03b2"
+
 [[package]]
 name = "ethnum"
-version = "1.3.2"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0198b9d0078e0f30dedc7acbb21c974e838fc8fae3ee170128658a98cb2c1c04"
+checksum = "b90ca2580b73ab6a1f724b76ca11ab632df820fd6040c336200d2c1df7b3c82c"
 
 [[package]]
 name = "ff"
@@ -394,9 +406,9 @@ dependencies = [
 
 [[package]]
 name = "fiat-crypto"
-version = "0.1.20"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e825f6987101665dea6ec934c09ec6d721de7bc1bf92248e1d5810c8cd636b77"
+checksum = "27573eac26f4dd11e2b1916c3fe1baa56407c83c71a773a8ba17ec0bca03b6b7"
 
 [[package]]
 name = "fnv"
@@ -417,9 +429,9 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.10"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
+checksum = "fe9006bed769170c11f845cf00c7c1e9092aeb3f268e007c3e760ac68008070f"
 dependencies = [
  "cfg-if",
  "js-sys",
@@ -430,9 +442,9 @@ dependencies = [
 
 [[package]]
 name = "gimli"
-version = "0.27.3"
+version = "0.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b6c80984affa11d98d1b88b66ac8853f143217b399d3c74116778ff8fdb4ed2e"
+checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
 
 [[package]]
 name = "group"
@@ -451,6 +463,12 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "hashbrown"
+version = "0.14.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
+
 [[package]]
 name = "hex"
 version = "0.4.3"
@@ -460,6 +478,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "hex-literal"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fe2267d4ed49bc07b63801559be28c718ea06c4738b7a03c94df7386d2cde46"
+
 [[package]]
 name = "hmac"
 version = "0.12.1"
@@ -505,7 +529,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
 dependencies = [
  "autocfg",
- "hashbrown",
+ "hashbrown 0.12.3",
+ "serde",
+]
+
+[[package]]
+name = "indexmap"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d530e1a18b1cb4c484e6e34556a0d948706958449fca0cab753d649f2bce3d1f"
+dependencies = [
+ "equivalent",
+ "hashbrown 0.14.3",
  "serde",
 ]
 
@@ -517,9 +552,9 @@ checksum = "8e04e2fd2b8188ea827b32ef11de88377086d690286ab35747ef7f9bf3ccb590"
 
 [[package]]
 name = "itertools"
-version = "0.10.5"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+checksum = "b1c173a5686ce8bfa551b3563d0c2170bf24ca44da99c7ca4bfdab5418c3fe57"
 dependencies = [
  "either",
 ]
@@ -573,9 +608,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.146"
+version = "0.2.150"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f92be4933c13fd498862a9e02a3055f8a8d9c039ce33db97306fd5a6caa7f29b"
+checksum = "89d92a4743f9a61002fae18374ed11e7973f530cb3a3255fb354818118b2203c"
 
 [[package]]
 name = "libfuzzer-sys"
@@ -608,9 +643,9 @@ checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
 name = "miniz_oxide"
-version = "0.6.2"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b275950c28b37e794e8c55d88aeb5e139d0ce23fdbbeda68f8d7174abdf9e8fa"
+checksum = "e7810e0be55b428ada41041c41f32c9f1a42817901b4ccf45fa3d4b6561e74c7"
 dependencies = [
  "adler",
 ]
@@ -628,9 +663,9 @@ dependencies = [
 
 [[package]]
 name = "num-derive"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e6a0fd4f737c707bd9086cc16c925f294943eb62eb71499e9fd4cf71f8b9f4e"
+checksum = "cfb77679af88f8b125209d354a202862602672222e7f2313fdd6dc349bad4712"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -649,18 +684,18 @@ dependencies = [
 
 [[package]]
 name = "num-traits"
-version = "0.2.15"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
+checksum = "39e3200413f237f41ab11ad6d161bc7239c84dcb631773ccd7de3dfe4b5c267c"
 dependencies = [
  "autocfg",
 ]
 
 [[package]]
 name = "object"
-version = "0.30.4"
+version = "0.32.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "03b4680b86d9cfafba8fc491dc9b6df26b68cf40e9e6cd73909194759a63c385"
+checksum = "9cf5f9dd3933bd50a9e1f149ec995f39ae2c496d31fd772c1fd45ebc27e902b0"
 dependencies = [
  "memchr",
 ]
@@ -711,18 +746,18 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.60"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dec2b086b7a862cf4de201096214fa870344cf922b2b30c167badb3af3195406"
+checksum = "134c189feb4956b20f6f547d2cf727d4c0fe06722b20a0eec87ed445a97f92da"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.28"
+version = "1.0.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b9ab9c7eadfd8df19006f1cf1a4aed13540ed5cbc047010ece5826e10825488"
+checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
 dependencies = [
  "proc-macro2",
 ]
@@ -810,18 +845,18 @@ checksum = "bebd363326d05ec3e2f532ab7660680f3b02130d780c299bca73469d521bc0ed"
 
 [[package]]
 name = "serde"
-version = "1.0.164"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e8c8cf938e98f769bc164923b06dce91cea1751522f46f8466461af04c9027d"
+checksum = "bca2a08484b285dcb282d0f67b26cadc0df8b19f8c12502c13d966bf9482f001"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.164"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9735b638ccc51c28bf6914d90a2e9725b377144fc612c49a611fddd1b631d68"
+checksum = "d6c7207fbec9faa48073f3e3074cbe553af6ea512d7c21ba46e434e70ea9fbc1"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -830,9 +865,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.97"
+version = "1.0.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bdf3bf93142acad5821c99197022e170842cdbc1c30482b98750c688c640842a"
+checksum = "3d1c7e3eac408d115102c4c24ad393e0821bb3a5df4d506a80f85f7a742a526b"
 dependencies = [
  "itoa",
  "ryu",
@@ -841,14 +876,15 @@ dependencies = [
 
 [[package]]
 name = "serde_with"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f02d8aa6e3c385bf084924f660ce2a3a6bd333ba55b35e8590b321f35d88513"
+checksum = "64cd236ccc1b7a29e7e2739f27c0b2dd199804abc4290e32f59f3b68d6405c23"
 dependencies = [
  "base64 0.21.2",
  "chrono",
  "hex",
- "indexmap",
+ "indexmap 1.9.3",
+ "indexmap 2.1.0",
  "serde",
  "serde_json",
  "serde_with_macros",
@@ -857,9 +893,9 @@ dependencies = [
 
 [[package]]
 name = "serde_with_macros"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edc7d5d3932fb12ce722ee5e64dd38c504efba37567f0c402f6ca728c3b8b070"
+checksum = "93634eb5f75a2323b16de4748022ac4297f9e76b6dced2be287a099f41b5e788"
 dependencies = [
  "darling",
  "proc-macro2",
@@ -869,9 +905,9 @@ dependencies = [
 
 [[package]]
 name = "sha2"
-version = "0.10.7"
+version = "0.10.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "479fb9d862239e610720565ca91403019f2f00410f1864c5aa7479b950a76ed8"
+checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -904,11 +940,23 @@ version = "1.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a507befe795404456341dfab10cef66ead4c041f62b8b11bbb92bffe5d0953e0"
 
+[[package]]
+name = "soroban-builtin-sdk-macros"
+version = "20.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b42487d6b0268748f753feeb579c6f7908dbb002faf20b703e6a7185b12f0527"
+dependencies = [
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "soroban-env-common"
-version = "20.0.0-rc1"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b65261df4aec251bf503bdb9d08a11a0109ad010d22fb6068c5767bd612a76cc"
+checksum = "5bb493483fa3e3ebfb4c081472495d14b0abcfbe04ba142a56ff63056cc62700"
 dependencies = [
  "arbitrary",
  "crate-git-revision",
@@ -924,9 +972,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-guest"
-version = "20.0.0-rc1"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5353b943c5ce51df6ba333a734867b301d3b1628dc1aa7d00bd59658059c8193"
+checksum = "3f31a738ef5faf4084c4b1824a8e3f93dfff0261a3909e86060f818e728479a3"
 dependencies = [
  "soroban-env-common",
  "static_assertions",
@@ -934,13 +982,16 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-host"
-version = "20.0.0-rc1"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9b79d564bb297c48be6250334cb33025abe66b90f981de87543b8abd796b3b52"
+checksum = "bdd1172a76c0bc2ce67ec7f28ca37dddbe9fefabe583f80434f5f60aaee3547e"
 dependencies = [
  "backtrace",
+ "curve25519-dalek",
  "ed25519-dalek",
  "getrandom",
+ "hex-literal",
+ "hmac",
  "k256",
  "num-derive",
  "num-integer",
@@ -949,8 +1000,8 @@ dependencies = [
  "rand_chacha",
  "sha2",
  "sha3",
+ "soroban-builtin-sdk-macros",
  "soroban-env-common",
- "soroban-native-sdk-macros",
  "soroban-wasmi",
  "static_assertions",
  "stellar-strkey",
@@ -958,9 +1009,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-macros"
-version = "20.0.0-rc1"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d827dbe18b79ade40d0d7cfca4a117b59ae1e0feb8dbd4a97f5fca479b04043d"
+checksum = "5c0536648cea69ab3bae1801d35f92c0a31e7449cd2c7d14a18fb5e413f43279"
 dependencies = [
  "itertools",
  "proc-macro2",
@@ -990,40 +1041,31 @@ dependencies = [
 
 [[package]]
 name = "soroban-ledger-snapshot"
-version = "20.0.0-rc1"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "15b6817c444562363c619afa0519a8d15157bd8be3a2bf02bf7239245ed263a0"
+checksum = "37960eec21d7dc5dbd976fa16e38c056429663a89243798486b07afbb263c9b5"
 dependencies = [
  "serde",
  "serde_json",
+ "serde_with",
  "soroban-env-common",
  "soroban-env-host",
  "thiserror",
 ]
 
-[[package]]
-name = "soroban-native-sdk-macros"
-version = "20.0.0-rc1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "de68658cc0351f3dce994b409af3708fea744d31bbfbfa7335f7481b1be847a2"
-dependencies = [
- "itertools",
- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
 name = "soroban-sdk"
-version = "20.0.0-rc1"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1afc6bb5ed7a89a41fd6e38e30c61c736f905312c8721fbb708bf19ce96d85cb"
+checksum = "f08e1fdb18dbee88160ea6640962faf021a49f22eb1bd212c4d8b0cef32c582c"
 dependencies = [
  "arbitrary",
  "bytes-lit",
  "ctor",
  "ed25519-dalek",
  "rand",
+ "serde",
+ "serde_json",
  "soroban-env-guest",
  "soroban-env-host",
  "soroban-ledger-snapshot",
@@ -1033,9 +1075,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-sdk-macros"
-version = "20.0.0-rc1"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bc90811bcfe1c0fb24fbb1ab8fdd05c98d677ec124b3ce8ef2c0219cb9b47753"
+checksum = "6c5cae44f304f2fd32f9cfa9a31a9b58eb1c10aa07a7d5b591921cf7fa649e44"
 dependencies = [
  "crate-git-revision",
  "darling",
@@ -1053,9 +1095,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-spec"
-version = "20.0.0-rc1"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "94e6202dfc8dfd3abcda4f2946d11806a573671d5948c6b2adc5fa8128feeca6"
+checksum = "7539cfa0abe36f3d33c49fe1253f6b652c91c9a9841fe83dedc1799b7f4bb55f"
 dependencies = [
  "base64 0.13.1",
  "stellar-xdr",
@@ -1065,9 +1107,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-spec-rust"
-version = "20.0.0-rc1"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4f21ab4a805e72ba39b58a441466c4a8882b6d635a654fdbcbbae092465854d5"
+checksum = "eb6189ef3ede0061db14b0cf9fa2692a2cb6c6e8d941689f0c9ca82b68c47ab2"
 dependencies = [
  "prettyplease",
  "proc-macro2",
@@ -1081,9 +1123,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-wasmi"
-version = "0.31.0-soroban1"
+version = "0.31.1-soroban.20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b6e3e79c1f227ec98ea1e8fbf43d0267b9ca748616c9c8c0162fa2a8ca4d5d2"
+checksum = "c1aaa682a67cbd2173f1d60cb1e7b951d490d7c4e0b7b6f5387cbb952e963c46"
 dependencies = [
  "smallvec",
  "spin",
@@ -1116,26 +1158,29 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "stellar-strkey"
-version = "0.0.7"
+version = "0.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c0689070126ca7f2effc2c5726584446db52190f0cef043c02eb4040a711c11"
+checksum = "12d2bf45e114117ea91d820a846fd1afbe3ba7d717988fee094ce8227a3bf8bd"
 dependencies = [
  "base32",
+ "crate-git-revision",
  "thiserror",
 ]
 
 [[package]]
 name = "stellar-xdr"
-version = "20.0.0-rc1"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e09a3734914a7427dbcd4f06b6dcd2b1cf38e934202f6abe4d73658f718b6113"
+checksum = "9595b775539e475da4179fa46212b11e4575f526d57b13308989a8c1dd59238c"
 dependencies = [
  "arbitrary",
  "base64 0.13.1",
  "crate-git-revision",
+ "escape-bytes",
  "hex",
  "serde",
  "serde_with",
+ "stellar-strkey",
 ]
 
 [[package]]
@@ -1152,9 +1197,9 @@ checksum = "81cdd64d312baedb58e21336b31bc043b77e01cc99033ce76ef539f78e965ebc"
 
 [[package]]
 name = "syn"
-version = "2.0.18"
+version = "2.0.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "32d41677bcbe24c20c52e7c70b0d8db04134c5d1066bf98662e2871ad200ea3e"
+checksum = "23e78b90f2fcf45d3e842032ce32e3f2d1545ba6636271dcbf24fa306d87be7a"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1310,7 +1355,7 @@ version = "0.88.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb8cf7dd82407fe68161bedcd57fde15596f32ebf6e9b3bdbf3ae1da20e38e5e"
 dependencies = [
- "indexmap",
+ "indexmap 1.9.3",
 ]
 
 [[package]]
diff --git a/fuzzing/fuzz/Cargo.toml b/fuzzing/fuzz/Cargo.toml
index df6dbd16..893c3623 100644
--- a/fuzzing/fuzz/Cargo.toml
+++ b/fuzzing/fuzz/Cargo.toml
@@ -9,7 +9,7 @@ cargo-fuzz = true
 
 [dependencies]
 libfuzzer-sys = "0.4"
-soroban-sdk = { version = "20.0.0-rc2", features = ["testutils"] }
+soroban-sdk = { version = "20.0.0", features = ["testutils"] }
 soroban-ledger-snapshot = { version = "20.0.0-rc2" }
 
 [dependencies.soroban-fuzzing-contract]
diff --git a/fuzzing/fuzz/fuzz_targets/fuzz_target_1.rs b/fuzzing/fuzz/fuzz_targets/fuzz_target_1.rs
index 766e1c71..58ec38ee 100644
--- a/fuzzing/fuzz/fuzz_targets/fuzz_target_1.rs
+++ b/fuzzing/fuzz/fuzz_targets/fuzz_target_1.rs
@@ -8,9 +8,7 @@
 
 use libfuzzer_sys::fuzz_target;
 use soroban_fuzzing_contract::*;
-use soroban_sdk::arbitrary::arbitrary::{self, Arbitrary};
-use soroban_sdk::arbitrary::fuzz_catch_panic;
-use soroban_sdk::testutils::{Address as _, Ledger, LedgerInfo};
+use soroban_sdk::testutils::{arbitrary::{arbitrary, fuzz_catch_panic, Arbitrary}, Address as _, Ledger, LedgerInfo};
 use soroban_sdk::token::StellarAssetClient as TokenAdminClient;
 use soroban_sdk::token::Client as TokenClient;
 use soroban_sdk::{vec, Address, Env};
@@ -32,17 +30,17 @@ fuzz_target!(|input: Input| {
         sequence_number: 10,
         network_id: Default::default(),
         base_reserve: 10,
-        min_temp_entry_expiration: u32::MAX,
-        min_persistent_entry_expiration: u32::MAX,
-        max_entry_expiration: u32::MAX,
+        min_temp_entry_ttl: u32::MAX,
+        min_persistent_entry_ttl: u32::MAX,
+        max_entry_ttl: u32::MAX,
     });
 
     // Turn off the CPU/memory budget for testing.
     env.budget().reset_unlimited();
 
-    let depositor_address = Address::random(&env);
-    let claimant_address = Address::random(&env);
-    let token_admin = Address::random(&env);
+    let depositor_address = Address::generate(&env);
+    let claimant_address = Address::generate(&env);
+    let token_admin = Address::generate(&env);
 
     let token_contract_id = env.register_stellar_asset_contract(token_admin.clone());
     let token_client = TokenClient::new(&env, &token_contract_id);
diff --git a/fuzzing/fuzz/fuzz_targets/fuzz_target_2.rs b/fuzzing/fuzz/fuzz_targets/fuzz_target_2.rs
index 5e61b16c..94f60992 100644
--- a/fuzzing/fuzz/fuzz_targets/fuzz_target_2.rs
+++ b/fuzzing/fuzz/fuzz_targets/fuzz_target_2.rs
@@ -8,9 +8,8 @@
 use libfuzzer_sys::fuzz_target;
 use soroban_fuzzing_contract::*;
 use soroban_ledger_snapshot::LedgerSnapshot;
-use soroban_sdk::arbitrary::arbitrary::{self, Arbitrary, Unstructured};
-use soroban_sdk::arbitrary::{fuzz_catch_panic, SorobanArbitrary};
-use soroban_sdk::testutils::{Address as _, LedgerInfo};
+use soroban_sdk::testutils::{arbitrary::{arbitrary, fuzz_catch_panic, Arbitrary, SorobanArbitrary}, Address as _, LedgerInfo};
+use crate::arbitrary::Unstructured;
 use soroban_sdk::token::StellarAssetClient as TokenAdminClient;
 use soroban_sdk::token::Client as TokenClient;
 use soroban_sdk::xdr::ScAddress;
@@ -71,8 +70,8 @@ fuzz_target!(|input: Input| {
         // Advance time and create a new env from snapshot.
         let curr_env = {
             let mut snapshot = prev_env.to_snapshot();
-            snapshot.sequence_number += 1;
-            snapshot.timestamp = snapshot.timestamp.saturating_add(step.advance_time);
+            snapshot.ledger.sequence_number += 1;
+            snapshot.ledger.timestamp = snapshot.ledger.timestamp.saturating_add(step.advance_time);
             let env = Env::from_snapshot(snapshot);
             env.budget().reset_unlimited();
             env
@@ -102,19 +101,19 @@ impl Config {
                 sequence_number: 10,
                 network_id: Default::default(),
                 base_reserve: 10,
-                min_temp_entry_expiration: u32::MAX,
-                min_persistent_entry_expiration: u32::MAX,
-                max_entry_expiration: u32::MAX,
+                min_temp_entry_ttl: u32::MAX,
+                min_persistent_entry_ttl: u32::MAX,
+                max_entry_ttl: u32::MAX,
             };
 
             LedgerSnapshot::from(init_ledger, None)
         };
 
-        let env = Env::from_snapshot(snapshot);
+        let env = Env::from_ledger_snapshot(snapshot);
 
         env.mock_all_auths();
 
-        let token_admin = Address::random(&env);
+        let token_admin = Address::generate(&env);
 
         // This is a bit ugly - anticipate which deposit step will succeed
         // and store that information for making assertians later.
diff --git a/fuzzing/src/proptest.rs b/fuzzing/src/proptest.rs
index 0df80329..2c946348 100644
--- a/fuzzing/src/proptest.rs
+++ b/fuzzing/src/proptest.rs
@@ -12,9 +12,10 @@ use super::*;
 
 use ::proptest::prelude::*;
 use proptest_arbitrary_interop::arb;
-use soroban_sdk::arbitrary::arbitrary::{self, Arbitrary};
-use soroban_sdk::arbitrary::fuzz_catch_panic;
-use soroban_sdk::testutils::{Address as _, Ledger, LedgerInfo};
+use soroban_sdk::testutils::{
+    arbitrary::{arbitrary, fuzz_catch_panic, Arbitrary},
+    Address as _, Ledger, LedgerInfo,
+};
 use soroban_sdk::token::Client as TokenClient;
 use soroban_sdk::token::StellarAssetClient as TokenAdminClient;
 use soroban_sdk::{vec, Address, Env};
@@ -42,17 +43,17 @@ proptest! {
             sequence_number: 10,
             network_id: Default::default(),
             base_reserve: 10,
-            min_temp_entry_expiration: u32::MAX,
-            min_persistent_entry_expiration: u32::MAX,
-            max_entry_expiration: u32::MAX,
+            min_temp_entry_ttl: 16,
+            min_persistent_entry_ttl: 16,
+            max_entry_ttl: 100_000,
         });
 
         // Turn off the CPU/memory budget for testing.
         env.budget().reset_unlimited();
 
-        let depositor_address = Address::random(&env);
-        let claimant_address = Address::random(&env);
-        let token_admin = Address::random(&env);
+        let depositor_address = Address::generate(&env);
+        let claimant_address = Address::generate(&env);
+        let token_admin = Address::generate(&env);
 
         let token_contract_id = env.register_stellar_asset_contract(token_admin.clone());
         let token_client = TokenClient::new(&env, &token_contract_id);
diff --git a/hello_world/Cargo.lock b/hello_world/Cargo.lock
index 5906f9a6..235a3c85 100644
--- a/hello_world/Cargo.lock
+++ b/hello_world/Cargo.lock
@@ -4,9 +4,9 @@ version = 3
 
 [[package]]
 name = "addr2line"
-version = "0.19.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a76fd60b23679b7d19bd066031410fb7e458ccc5e958eb5c325888ce4baedc97"
+checksum = "8a30b2e23b9e17a9f90641c7ab1549cd9b44f296d3ccbf309d2863cfe398a0cb"
 dependencies = [
  "gimli",
 ]
@@ -28,9 +28,9 @@ dependencies = [
 
 [[package]]
 name = "arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2d098ff73c1ca148721f37baad5ea6a465a13f9573aba8641fbbbae8164a54e"
+checksum = "7d5a26814d8dcb93b0e5a0ff3c6d80a8843bafb21b39e8e18a6f05471870e110"
 dependencies = [
  "derive_arbitrary",
 ]
@@ -43,9 +43,9 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "backtrace"
-version = "0.3.67"
+version = "0.3.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "233d376d6d185f2a3093e58f283f60f880315b6c60075b01f36b3b85154564ca"
+checksum = "2089b7e3f35b9dd2d0ed921ead4f6d318c27680d4a5bd167b3ee120edb105837"
 dependencies = [
  "addr2line",
  "cc",
@@ -110,7 +110,7 @@ dependencies = [
  "num-bigint",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -209,14 +209,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1586fa608b1dab41f667475b4a41faec5ba680aee428bfa5de4ea520fdc6e901"
 dependencies = [
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "curve25519-dalek"
-version = "4.0.0"
+version = "4.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f711ade317dd348950a9910f81c5947e3d8907ebd2b83f76203ff1807e6a2bc2"
+checksum = "e89b8c6a2e4b1f45971ad09761aafb85514a84744b67a95e32c3cc1352d1f65c"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -237,7 +237,7 @@ checksum = "83fdaf97f4804dcebfa5862639bc9ce4121e82140bec2a987ac5140294865b5b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -264,7 +264,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "scratch",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -281,7 +281,7 @@ checksum = "2345488264226bf682893e25de0769f3360aac9957980ec49361b083ddaa5bc5"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -305,7 +305,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "strsim",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -316,7 +316,7 @@ checksum = "29a358ff9f12ec09c3e61fef9b5a9902623a695a46a917b07f269bff1445611a"
 dependencies = [
  "darling_core",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -331,13 +331,13 @@ dependencies = [
 
 [[package]]
 name = "derive_arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3cdeb9ec472d588e539a818b2dee436825730da08ad0017c4b1a17676bdc8b7"
+checksum = "67e77553c4162a157adbf834ebae5b415acbecbeafc7a74b0e886657506a7611"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -421,11 +421,23 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
+[[package]]
+name = "escape-bytes"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bfcf67fea2815c2fc3b90873fae90957be12ff417335dfadc7f52927feb03b2"
+
 [[package]]
 name = "ethnum"
-version = "1.3.2"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0198b9d0078e0f30dedc7acbb21c974e838fc8fae3ee170128658a98cb2c1c04"
+checksum = "b90ca2580b73ab6a1f724b76ca11ab632df820fd6040c336200d2c1df7b3c82c"
 
 [[package]]
 name = "ff"
@@ -439,9 +451,9 @@ dependencies = [
 
 [[package]]
 name = "fiat-crypto"
-version = "0.1.20"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e825f6987101665dea6ec934c09ec6d721de7bc1bf92248e1d5810c8cd636b77"
+checksum = "27573eac26f4dd11e2b1916c3fe1baa56407c83c71a773a8ba17ec0bca03b6b7"
 
 [[package]]
 name = "fnv"
@@ -462,9 +474,9 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.10"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
+checksum = "fe9006bed769170c11f845cf00c7c1e9092aeb3f268e007c3e760ac68008070f"
 dependencies = [
  "cfg-if",
  "js-sys",
@@ -475,9 +487,9 @@ dependencies = [
 
 [[package]]
 name = "gimli"
-version = "0.27.2"
+version = "0.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad0a93d233ebf96623465aad4046a8d3aa4da22d4f4beba5388838c8a434bbb4"
+checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
 
 [[package]]
 name = "group"
@@ -496,6 +508,12 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "hashbrown"
+version = "0.14.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
+
 [[package]]
 name = "hex"
 version = "0.4.3"
@@ -505,6 +523,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "hex-literal"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fe2267d4ed49bc07b63801559be28c718ea06c4738b7a03c94df7386d2cde46"
+
 [[package]]
 name = "hmac"
 version = "0.12.1"
@@ -551,7 +575,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
 dependencies = [
  "autocfg",
- "hashbrown",
+ "hashbrown 0.12.3",
+ "serde",
+]
+
+[[package]]
+name = "indexmap"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d530e1a18b1cb4c484e6e34556a0d948706958449fca0cab753d649f2bce3d1f"
+dependencies = [
+ "equivalent",
+ "hashbrown 0.14.3",
  "serde",
 ]
 
@@ -563,9 +598,9 @@ checksum = "8e04e2fd2b8188ea827b32ef11de88377086d690286ab35747ef7f9bf3ccb590"
 
 [[package]]
 name = "itertools"
-version = "0.10.5"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+checksum = "b1c173a5686ce8bfa551b3563d0c2170bf24ca44da99c7ca4bfdab5418c3fe57"
 dependencies = [
  "either",
 ]
@@ -610,9 +645,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.147"
+version = "0.2.150"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
+checksum = "89d92a4743f9a61002fae18374ed11e7973f530cb3a3255fb354818118b2203c"
 
 [[package]]
 name = "libm"
@@ -646,9 +681,9 @@ checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
 name = "miniz_oxide"
-version = "0.6.2"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b275950c28b37e794e8c55d88aeb5e139d0ce23fdbbeda68f8d7174abdf9e8fa"
+checksum = "e7810e0be55b428ada41041c41f32c9f1a42817901b4ccf45fa3d4b6561e74c7"
 dependencies = [
  "adler",
 ]
@@ -666,13 +701,13 @@ dependencies = [
 
 [[package]]
 name = "num-derive"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e6a0fd4f737c707bd9086cc16c925f294943eb62eb71499e9fd4cf71f8b9f4e"
+checksum = "cfb77679af88f8b125209d354a202862602672222e7f2313fdd6dc349bad4712"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -687,18 +722,18 @@ dependencies = [
 
 [[package]]
 name = "num-traits"
-version = "0.2.15"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
+checksum = "39e3200413f237f41ab11ad6d161bc7239c84dcb631773ccd7de3dfe4b5c267c"
 dependencies = [
  "autocfg",
 ]
 
 [[package]]
 name = "object"
-version = "0.30.3"
+version = "0.32.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea86265d3d3dcb6a27fc51bd29a4bf387fae9d2986b823079d4986af253eb439"
+checksum = "9cf5f9dd3933bd50a9e1f149ec995f39ae2c496d31fd772c1fd45ebc27e902b0"
 dependencies = [
  "memchr",
 ]
@@ -744,23 +779,23 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1ceca8aaf45b5c46ec7ed39fff75f57290368c1846d33d24a122ca81416ab058"
 dependencies = [
  "proc-macro2",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.56"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b63bdb0cd06f1f4dedf69b254734f9b45af66e4a031e42a7480257d9898b435"
+checksum = "134c189feb4956b20f6f547d2cf727d4c0fe06722b20a0eec87ed445a97f92da"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.26"
+version = "1.0.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4424af4bf778aae2051a77b60283332f386554255d722233d09fbfc7e30da2fc"
+checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
 dependencies = [
  "proc-macro2",
 ]
@@ -854,29 +889,29 @@ checksum = "bebd363326d05ec3e2f532ab7660680f3b02130d780c299bca73469d521bc0ed"
 
 [[package]]
 name = "serde"
-version = "1.0.160"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb2f3770c8bce3bcda7e149193a069a0f4365bda1fa5cd88e03bca26afc1216c"
+checksum = "bca2a08484b285dcb282d0f67b26cadc0df8b19f8c12502c13d966bf9482f001"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.160"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "291a097c63d8497e00160b166a967a4a79c64f3facdd01cbd7502231688d77df"
+checksum = "d6c7207fbec9faa48073f3e3074cbe553af6ea512d7c21ba46e434e70ea9fbc1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.96"
+version = "1.0.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "057d394a50403bcac12672b2b18fb387ab6d289d957dab67dd201875391e52f1"
+checksum = "3d1c7e3eac408d115102c4c24ad393e0821bb3a5df4d506a80f85f7a742a526b"
 dependencies = [
  "itoa",
  "ryu",
@@ -885,14 +920,15 @@ dependencies = [
 
 [[package]]
 name = "serde_with"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f02d8aa6e3c385bf084924f660ce2a3a6bd333ba55b35e8590b321f35d88513"
+checksum = "64cd236ccc1b7a29e7e2739f27c0b2dd199804abc4290e32f59f3b68d6405c23"
 dependencies = [
  "base64 0.21.0",
  "chrono",
  "hex",
- "indexmap",
+ "indexmap 1.9.3",
+ "indexmap 2.1.0",
  "serde",
  "serde_json",
  "serde_with_macros",
@@ -901,21 +937,21 @@ dependencies = [
 
 [[package]]
 name = "serde_with_macros"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edc7d5d3932fb12ce722ee5e64dd38c504efba37567f0c402f6ca728c3b8b070"
+checksum = "93634eb5f75a2323b16de4748022ac4297f9e76b6dced2be287a099f41b5e788"
 dependencies = [
  "darling",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "sha2"
-version = "0.10.7"
+version = "0.10.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "479fb9d862239e610720565ca91403019f2f00410f1864c5aa7479b950a76ed8"
+checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -948,11 +984,23 @@ version = "1.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a507befe795404456341dfab10cef66ead4c041f62b8b11bbb92bffe5d0953e0"
 
+[[package]]
+name = "soroban-builtin-sdk-macros"
+version = "20.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b42487d6b0268748f753feeb579c6f7908dbb002faf20b703e6a7185b12f0527"
+dependencies = [
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.39",
+]
+
 [[package]]
 name = "soroban-env-common"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2508a41765935d3bef43b2264667c4603725cf7ddd851321f1dc2b3bca8bb88"
+checksum = "5bb493483fa3e3ebfb4c081472495d14b0abcfbe04ba142a56ff63056cc62700"
 dependencies = [
  "arbitrary",
  "crate-git-revision",
@@ -968,9 +1016,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-guest"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b41f1b3ebb747487ff9920822112a5816030e053734ed63c05f1a7db476f2768"
+checksum = "3f31a738ef5faf4084c4b1824a8e3f93dfff0261a3909e86060f818e728479a3"
 dependencies = [
  "soroban-env-common",
  "static_assertions",
@@ -978,13 +1026,16 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-host"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "347fc729270de2fc8e312ba1872ef90fdc8dfcd0dacdd07a3bb7a038c41ea6d6"
+checksum = "bdd1172a76c0bc2ce67ec7f28ca37dddbe9fefabe583f80434f5f60aaee3547e"
 dependencies = [
  "backtrace",
+ "curve25519-dalek",
  "ed25519-dalek",
  "getrandom",
+ "hex-literal",
+ "hmac",
  "k256",
  "num-derive",
  "num-integer",
@@ -993,8 +1044,8 @@ dependencies = [
  "rand_chacha",
  "sha2",
  "sha3",
+ "soroban-builtin-sdk-macros",
  "soroban-env-common",
- "soroban-native-sdk-macros",
  "soroban-wasmi",
  "static_assertions",
  "stellar-strkey",
@@ -1002,9 +1053,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f16b7a75d77ae47143a07f92a35661c21e965f63bb4362d8491188a993687745"
+checksum = "5c0536648cea69ab3bae1801d35f92c0a31e7449cd2c7d14a18fb5e413f43279"
 dependencies = [
  "itertools",
  "proc-macro2",
@@ -1012,7 +1063,7 @@ dependencies = [
  "serde",
  "serde_json",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -1024,40 +1075,31 @@ dependencies = [
 
 [[package]]
 name = "soroban-ledger-snapshot"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d202c5870aeec1cb97bfd06a94b8fe691c513ba6da8638deb07d8660e90056ba"
+checksum = "37960eec21d7dc5dbd976fa16e38c056429663a89243798486b07afbb263c9b5"
 dependencies = [
  "serde",
  "serde_json",
+ "serde_with",
  "soroban-env-common",
  "soroban-env-host",
  "thiserror",
 ]
 
-[[package]]
-name = "soroban-native-sdk-macros"
-version = "20.0.0-rc2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe8cf96e5c9308347bc6fa0735d0591475a20b43ed00f96ad2df623bbe9c1e88"
-dependencies = [
- "itertools",
- "proc-macro2",
- "quote",
- "syn 2.0.15",
-]
-
 [[package]]
 name = "soroban-sdk"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d771d43a66ba0df14ff28ac1b37a6568da00afa12f28273a67fe92853ab28f8"
+checksum = "f08e1fdb18dbee88160ea6640962faf021a49f22eb1bd212c4d8b0cef32c582c"
 dependencies = [
  "arbitrary",
  "bytes-lit",
  "ctor",
  "ed25519-dalek",
  "rand",
+ "serde",
+ "serde_json",
  "soroban-env-guest",
  "soroban-env-host",
  "soroban-ledger-snapshot",
@@ -1067,9 +1109,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-sdk-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf5a6dd2e08217fdd75f3f849256dda2614badda9095df233a47c7c8f9783493"
+checksum = "6c5cae44f304f2fd32f9cfa9a31a9b58eb1c10aa07a7d5b591921cf7fa649e44"
 dependencies = [
  "crate-git-revision",
  "darling",
@@ -1082,14 +1124,14 @@ dependencies = [
  "soroban-spec",
  "soroban-spec-rust",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "soroban-spec"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e2a55aab81d7cd1df66f85de3d815fb08fc5fa412270dc374e031e27528c711"
+checksum = "7539cfa0abe36f3d33c49fe1253f6b652c91c9a9841fe83dedc1799b7f4bb55f"
 dependencies = [
  "base64 0.13.1",
  "stellar-xdr",
@@ -1099,9 +1141,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-spec-rust"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1bcfa549d3362e6eafa3a51ad29d571f3dbae2cb9fe33d9f94c00a9f742f71df"
+checksum = "eb6189ef3ede0061db14b0cf9fa2692a2cb6c6e8d941689f0c9ca82b68c47ab2"
 dependencies = [
  "prettyplease",
  "proc-macro2",
@@ -1109,15 +1151,15 @@ dependencies = [
  "sha2",
  "soroban-spec",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
  "thiserror",
 ]
 
 [[package]]
 name = "soroban-wasmi"
-version = "0.31.0-soroban1"
+version = "0.31.1-soroban.20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b6e3e79c1f227ec98ea1e8fbf43d0267b9ca748616c9c8c0162fa2a8ca4d5d2"
+checksum = "c1aaa682a67cbd2173f1d60cb1e7b951d490d7c4e0b7b6f5387cbb952e963c46"
 dependencies = [
  "smallvec",
  "spin",
@@ -1150,26 +1192,29 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "stellar-strkey"
-version = "0.0.7"
+version = "0.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c0689070126ca7f2effc2c5726584446db52190f0cef043c02eb4040a711c11"
+checksum = "12d2bf45e114117ea91d820a846fd1afbe3ba7d717988fee094ce8227a3bf8bd"
 dependencies = [
  "base32",
+ "crate-git-revision",
  "thiserror",
 ]
 
 [[package]]
 name = "stellar-xdr"
-version = "20.0.0-rc1"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e09a3734914a7427dbcd4f06b6dcd2b1cf38e934202f6abe4d73658f718b6113"
+checksum = "9595b775539e475da4179fa46212b11e4575f526d57b13308989a8c1dd59238c"
 dependencies = [
  "arbitrary",
  "base64 0.13.1",
  "crate-git-revision",
+ "escape-bytes",
  "hex",
  "serde",
  "serde_with",
+ "stellar-strkey",
 ]
 
 [[package]]
@@ -1197,9 +1242,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.15"
+version = "2.0.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a34fcf3e8b60f57e6a14301a2e916d323af98b0ea63c599441eec8558660c822"
+checksum = "23e78b90f2fcf45d3e842032ce32e3f2d1545ba6636271dcbf24fa306d87be7a"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1232,7 +1277,7 @@ checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -1370,7 +1415,7 @@ version = "0.88.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb8cf7dd82407fe68161bedcd57fde15596f32ebf6e9b3bdbf3ae1da20e38e5e"
 dependencies = [
- "indexmap",
+ "indexmap 1.9.3",
 ]
 
 [[package]]
diff --git a/hello_world/Cargo.toml b/hello_world/Cargo.toml
index 3d1096fc..44d706d5 100644
--- a/hello_world/Cargo.toml
+++ b/hello_world/Cargo.toml
@@ -11,10 +11,10 @@ crate-type = ["cdylib"]
 doctest = false
 
 [dependencies]
-soroban-sdk = { version = "20.0.0-rc2" }
+soroban-sdk = { version = "20.0.0" }
 
 [dev_dependencies]
-soroban-sdk = { version = "20.0.0-rc2", features = ["testutils"] }
+soroban-sdk = { version = "20.0.0", features = ["testutils"] }
 
 [profile.release]
 opt-level = "z"
diff --git a/increment/Cargo.lock b/increment/Cargo.lock
index f0f542e7..4f08d3c6 100644
--- a/increment/Cargo.lock
+++ b/increment/Cargo.lock
@@ -4,9 +4,9 @@ version = 3
 
 [[package]]
 name = "addr2line"
-version = "0.19.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a76fd60b23679b7d19bd066031410fb7e458ccc5e958eb5c325888ce4baedc97"
+checksum = "8a30b2e23b9e17a9f90641c7ab1549cd9b44f296d3ccbf309d2863cfe398a0cb"
 dependencies = [
  "gimli",
 ]
@@ -28,9 +28,9 @@ dependencies = [
 
 [[package]]
 name = "arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2d098ff73c1ca148721f37baad5ea6a465a13f9573aba8641fbbbae8164a54e"
+checksum = "7d5a26814d8dcb93b0e5a0ff3c6d80a8843bafb21b39e8e18a6f05471870e110"
 dependencies = [
  "derive_arbitrary",
 ]
@@ -43,9 +43,9 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "backtrace"
-version = "0.3.67"
+version = "0.3.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "233d376d6d185f2a3093e58f283f60f880315b6c60075b01f36b3b85154564ca"
+checksum = "2089b7e3f35b9dd2d0ed921ead4f6d318c27680d4a5bd167b3ee120edb105837"
 dependencies = [
  "addr2line",
  "cc",
@@ -110,7 +110,7 @@ dependencies = [
  "num-bigint",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -209,14 +209,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1586fa608b1dab41f667475b4a41faec5ba680aee428bfa5de4ea520fdc6e901"
 dependencies = [
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "curve25519-dalek"
-version = "4.0.0"
+version = "4.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f711ade317dd348950a9910f81c5947e3d8907ebd2b83f76203ff1807e6a2bc2"
+checksum = "e89b8c6a2e4b1f45971ad09761aafb85514a84744b67a95e32c3cc1352d1f65c"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -237,7 +237,7 @@ checksum = "83fdaf97f4804dcebfa5862639bc9ce4121e82140bec2a987ac5140294865b5b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -264,7 +264,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "scratch",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -281,7 +281,7 @@ checksum = "2345488264226bf682893e25de0769f3360aac9957980ec49361b083ddaa5bc5"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -305,7 +305,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "strsim",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -316,7 +316,7 @@ checksum = "29a358ff9f12ec09c3e61fef9b5a9902623a695a46a917b07f269bff1445611a"
 dependencies = [
  "darling_core",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -331,13 +331,13 @@ dependencies = [
 
 [[package]]
 name = "derive_arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3cdeb9ec472d588e539a818b2dee436825730da08ad0017c4b1a17676bdc8b7"
+checksum = "67e77553c4162a157adbf834ebae5b415acbecbeafc7a74b0e886657506a7611"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -421,11 +421,23 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
+[[package]]
+name = "escape-bytes"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bfcf67fea2815c2fc3b90873fae90957be12ff417335dfadc7f52927feb03b2"
+
 [[package]]
 name = "ethnum"
-version = "1.3.2"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0198b9d0078e0f30dedc7acbb21c974e838fc8fae3ee170128658a98cb2c1c04"
+checksum = "b90ca2580b73ab6a1f724b76ca11ab632df820fd6040c336200d2c1df7b3c82c"
 
 [[package]]
 name = "ff"
@@ -439,9 +451,9 @@ dependencies = [
 
 [[package]]
 name = "fiat-crypto"
-version = "0.1.20"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e825f6987101665dea6ec934c09ec6d721de7bc1bf92248e1d5810c8cd636b77"
+checksum = "27573eac26f4dd11e2b1916c3fe1baa56407c83c71a773a8ba17ec0bca03b6b7"
 
 [[package]]
 name = "fnv"
@@ -462,9 +474,9 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.10"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
+checksum = "fe9006bed769170c11f845cf00c7c1e9092aeb3f268e007c3e760ac68008070f"
 dependencies = [
  "cfg-if",
  "js-sys",
@@ -475,9 +487,9 @@ dependencies = [
 
 [[package]]
 name = "gimli"
-version = "0.27.2"
+version = "0.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad0a93d233ebf96623465aad4046a8d3aa4da22d4f4beba5388838c8a434bbb4"
+checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
 
 [[package]]
 name = "group"
@@ -496,6 +508,12 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "hashbrown"
+version = "0.14.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
+
 [[package]]
 name = "hex"
 version = "0.4.3"
@@ -505,6 +523,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "hex-literal"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fe2267d4ed49bc07b63801559be28c718ea06c4738b7a03c94df7386d2cde46"
+
 [[package]]
 name = "hmac"
 version = "0.12.1"
@@ -551,7 +575,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
 dependencies = [
  "autocfg",
- "hashbrown",
+ "hashbrown 0.12.3",
+ "serde",
+]
+
+[[package]]
+name = "indexmap"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d530e1a18b1cb4c484e6e34556a0d948706958449fca0cab753d649f2bce3d1f"
+dependencies = [
+ "equivalent",
+ "hashbrown 0.14.3",
  "serde",
 ]
 
@@ -563,9 +598,9 @@ checksum = "8e04e2fd2b8188ea827b32ef11de88377086d690286ab35747ef7f9bf3ccb590"
 
 [[package]]
 name = "itertools"
-version = "0.10.5"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+checksum = "b1c173a5686ce8bfa551b3563d0c2170bf24ca44da99c7ca4bfdab5418c3fe57"
 dependencies = [
  "either",
 ]
@@ -610,9 +645,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.147"
+version = "0.2.150"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
+checksum = "89d92a4743f9a61002fae18374ed11e7973f530cb3a3255fb354818118b2203c"
 
 [[package]]
 name = "libm"
@@ -646,9 +681,9 @@ checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
 name = "miniz_oxide"
-version = "0.6.2"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b275950c28b37e794e8c55d88aeb5e139d0ce23fdbbeda68f8d7174abdf9e8fa"
+checksum = "e7810e0be55b428ada41041c41f32c9f1a42817901b4ccf45fa3d4b6561e74c7"
 dependencies = [
  "adler",
 ]
@@ -666,13 +701,13 @@ dependencies = [
 
 [[package]]
 name = "num-derive"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e6a0fd4f737c707bd9086cc16c925f294943eb62eb71499e9fd4cf71f8b9f4e"
+checksum = "cfb77679af88f8b125209d354a202862602672222e7f2313fdd6dc349bad4712"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -687,18 +722,18 @@ dependencies = [
 
 [[package]]
 name = "num-traits"
-version = "0.2.15"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
+checksum = "39e3200413f237f41ab11ad6d161bc7239c84dcb631773ccd7de3dfe4b5c267c"
 dependencies = [
  "autocfg",
 ]
 
 [[package]]
 name = "object"
-version = "0.30.3"
+version = "0.32.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea86265d3d3dcb6a27fc51bd29a4bf387fae9d2986b823079d4986af253eb439"
+checksum = "9cf5f9dd3933bd50a9e1f149ec995f39ae2c496d31fd772c1fd45ebc27e902b0"
 dependencies = [
  "memchr",
 ]
@@ -744,23 +779,23 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1ceca8aaf45b5c46ec7ed39fff75f57290368c1846d33d24a122ca81416ab058"
 dependencies = [
  "proc-macro2",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.56"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b63bdb0cd06f1f4dedf69b254734f9b45af66e4a031e42a7480257d9898b435"
+checksum = "134c189feb4956b20f6f547d2cf727d4c0fe06722b20a0eec87ed445a97f92da"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.26"
+version = "1.0.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4424af4bf778aae2051a77b60283332f386554255d722233d09fbfc7e30da2fc"
+checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
 dependencies = [
  "proc-macro2",
 ]
@@ -854,29 +889,29 @@ checksum = "bebd363326d05ec3e2f532ab7660680f3b02130d780c299bca73469d521bc0ed"
 
 [[package]]
 name = "serde"
-version = "1.0.160"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb2f3770c8bce3bcda7e149193a069a0f4365bda1fa5cd88e03bca26afc1216c"
+checksum = "bca2a08484b285dcb282d0f67b26cadc0df8b19f8c12502c13d966bf9482f001"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.160"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "291a097c63d8497e00160b166a967a4a79c64f3facdd01cbd7502231688d77df"
+checksum = "d6c7207fbec9faa48073f3e3074cbe553af6ea512d7c21ba46e434e70ea9fbc1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.96"
+version = "1.0.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "057d394a50403bcac12672b2b18fb387ab6d289d957dab67dd201875391e52f1"
+checksum = "3d1c7e3eac408d115102c4c24ad393e0821bb3a5df4d506a80f85f7a742a526b"
 dependencies = [
  "itoa",
  "ryu",
@@ -885,14 +920,15 @@ dependencies = [
 
 [[package]]
 name = "serde_with"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f02d8aa6e3c385bf084924f660ce2a3a6bd333ba55b35e8590b321f35d88513"
+checksum = "64cd236ccc1b7a29e7e2739f27c0b2dd199804abc4290e32f59f3b68d6405c23"
 dependencies = [
  "base64 0.21.0",
  "chrono",
  "hex",
- "indexmap",
+ "indexmap 1.9.3",
+ "indexmap 2.1.0",
  "serde",
  "serde_json",
  "serde_with_macros",
@@ -901,21 +937,21 @@ dependencies = [
 
 [[package]]
 name = "serde_with_macros"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edc7d5d3932fb12ce722ee5e64dd38c504efba37567f0c402f6ca728c3b8b070"
+checksum = "93634eb5f75a2323b16de4748022ac4297f9e76b6dced2be287a099f41b5e788"
 dependencies = [
  "darling",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "sha2"
-version = "0.10.7"
+version = "0.10.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "479fb9d862239e610720565ca91403019f2f00410f1864c5aa7479b950a76ed8"
+checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -948,11 +984,23 @@ version = "1.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a507befe795404456341dfab10cef66ead4c041f62b8b11bbb92bffe5d0953e0"
 
+[[package]]
+name = "soroban-builtin-sdk-macros"
+version = "20.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b42487d6b0268748f753feeb579c6f7908dbb002faf20b703e6a7185b12f0527"
+dependencies = [
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.39",
+]
+
 [[package]]
 name = "soroban-env-common"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2508a41765935d3bef43b2264667c4603725cf7ddd851321f1dc2b3bca8bb88"
+checksum = "5bb493483fa3e3ebfb4c081472495d14b0abcfbe04ba142a56ff63056cc62700"
 dependencies = [
  "arbitrary",
  "crate-git-revision",
@@ -968,9 +1016,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-guest"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b41f1b3ebb747487ff9920822112a5816030e053734ed63c05f1a7db476f2768"
+checksum = "3f31a738ef5faf4084c4b1824a8e3f93dfff0261a3909e86060f818e728479a3"
 dependencies = [
  "soroban-env-common",
  "static_assertions",
@@ -978,13 +1026,16 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-host"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "347fc729270de2fc8e312ba1872ef90fdc8dfcd0dacdd07a3bb7a038c41ea6d6"
+checksum = "bdd1172a76c0bc2ce67ec7f28ca37dddbe9fefabe583f80434f5f60aaee3547e"
 dependencies = [
  "backtrace",
+ "curve25519-dalek",
  "ed25519-dalek",
  "getrandom",
+ "hex-literal",
+ "hmac",
  "k256",
  "num-derive",
  "num-integer",
@@ -993,8 +1044,8 @@ dependencies = [
  "rand_chacha",
  "sha2",
  "sha3",
+ "soroban-builtin-sdk-macros",
  "soroban-env-common",
- "soroban-native-sdk-macros",
  "soroban-wasmi",
  "static_assertions",
  "stellar-strkey",
@@ -1002,9 +1053,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f16b7a75d77ae47143a07f92a35661c21e965f63bb4362d8491188a993687745"
+checksum = "5c0536648cea69ab3bae1801d35f92c0a31e7449cd2c7d14a18fb5e413f43279"
 dependencies = [
  "itertools",
  "proc-macro2",
@@ -1012,7 +1063,7 @@ dependencies = [
  "serde",
  "serde_json",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -1024,40 +1075,31 @@ dependencies = [
 
 [[package]]
 name = "soroban-ledger-snapshot"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d202c5870aeec1cb97bfd06a94b8fe691c513ba6da8638deb07d8660e90056ba"
+checksum = "37960eec21d7dc5dbd976fa16e38c056429663a89243798486b07afbb263c9b5"
 dependencies = [
  "serde",
  "serde_json",
+ "serde_with",
  "soroban-env-common",
  "soroban-env-host",
  "thiserror",
 ]
 
-[[package]]
-name = "soroban-native-sdk-macros"
-version = "20.0.0-rc2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe8cf96e5c9308347bc6fa0735d0591475a20b43ed00f96ad2df623bbe9c1e88"
-dependencies = [
- "itertools",
- "proc-macro2",
- "quote",
- "syn 2.0.15",
-]
-
 [[package]]
 name = "soroban-sdk"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d771d43a66ba0df14ff28ac1b37a6568da00afa12f28273a67fe92853ab28f8"
+checksum = "f08e1fdb18dbee88160ea6640962faf021a49f22eb1bd212c4d8b0cef32c582c"
 dependencies = [
  "arbitrary",
  "bytes-lit",
  "ctor",
  "ed25519-dalek",
  "rand",
+ "serde",
+ "serde_json",
  "soroban-env-guest",
  "soroban-env-host",
  "soroban-ledger-snapshot",
@@ -1067,9 +1109,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-sdk-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf5a6dd2e08217fdd75f3f849256dda2614badda9095df233a47c7c8f9783493"
+checksum = "6c5cae44f304f2fd32f9cfa9a31a9b58eb1c10aa07a7d5b591921cf7fa649e44"
 dependencies = [
  "crate-git-revision",
  "darling",
@@ -1082,14 +1124,14 @@ dependencies = [
  "soroban-spec",
  "soroban-spec-rust",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "soroban-spec"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e2a55aab81d7cd1df66f85de3d815fb08fc5fa412270dc374e031e27528c711"
+checksum = "7539cfa0abe36f3d33c49fe1253f6b652c91c9a9841fe83dedc1799b7f4bb55f"
 dependencies = [
  "base64 0.13.1",
  "stellar-xdr",
@@ -1099,9 +1141,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-spec-rust"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1bcfa549d3362e6eafa3a51ad29d571f3dbae2cb9fe33d9f94c00a9f742f71df"
+checksum = "eb6189ef3ede0061db14b0cf9fa2692a2cb6c6e8d941689f0c9ca82b68c47ab2"
 dependencies = [
  "prettyplease",
  "proc-macro2",
@@ -1109,15 +1151,15 @@ dependencies = [
  "sha2",
  "soroban-spec",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
  "thiserror",
 ]
 
 [[package]]
 name = "soroban-wasmi"
-version = "0.31.0-soroban1"
+version = "0.31.1-soroban.20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b6e3e79c1f227ec98ea1e8fbf43d0267b9ca748616c9c8c0162fa2a8ca4d5d2"
+checksum = "c1aaa682a67cbd2173f1d60cb1e7b951d490d7c4e0b7b6f5387cbb952e963c46"
 dependencies = [
  "smallvec",
  "spin",
@@ -1150,26 +1192,29 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "stellar-strkey"
-version = "0.0.7"
+version = "0.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c0689070126ca7f2effc2c5726584446db52190f0cef043c02eb4040a711c11"
+checksum = "12d2bf45e114117ea91d820a846fd1afbe3ba7d717988fee094ce8227a3bf8bd"
 dependencies = [
  "base32",
+ "crate-git-revision",
  "thiserror",
 ]
 
 [[package]]
 name = "stellar-xdr"
-version = "20.0.0-rc1"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e09a3734914a7427dbcd4f06b6dcd2b1cf38e934202f6abe4d73658f718b6113"
+checksum = "9595b775539e475da4179fa46212b11e4575f526d57b13308989a8c1dd59238c"
 dependencies = [
  "arbitrary",
  "base64 0.13.1",
  "crate-git-revision",
+ "escape-bytes",
  "hex",
  "serde",
  "serde_with",
+ "stellar-strkey",
 ]
 
 [[package]]
@@ -1197,9 +1242,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.15"
+version = "2.0.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a34fcf3e8b60f57e6a14301a2e916d323af98b0ea63c599441eec8558660c822"
+checksum = "23e78b90f2fcf45d3e842032ce32e3f2d1545ba6636271dcbf24fa306d87be7a"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1232,7 +1277,7 @@ checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -1370,7 +1415,7 @@ version = "0.88.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb8cf7dd82407fe68161bedcd57fde15596f32ebf6e9b3bdbf3ae1da20e38e5e"
 dependencies = [
- "indexmap",
+ "indexmap 1.9.3",
 ]
 
 [[package]]
diff --git a/increment/Cargo.toml b/increment/Cargo.toml
index f83ed39c..bf2dc444 100644
--- a/increment/Cargo.toml
+++ b/increment/Cargo.toml
@@ -11,10 +11,10 @@ crate-type = ["cdylib"]
 doctest = false
 
 [dependencies]
-soroban-sdk = { version = "20.0.0-rc2" }
+soroban-sdk = { version = "20.0.0" }
 
 [dev_dependencies]
-soroban-sdk = { version = "20.0.0-rc2", features = ["testutils"] }
+soroban-sdk = { version = "20.0.0", features = ["testutils"] }
 
 [profile.release]
 opt-level = "z"
diff --git a/increment/src/lib.rs b/increment/src/lib.rs
index 29a04e5c..0a0d0f82 100644
--- a/increment/src/lib.rs
+++ b/increment/src/lib.rs
@@ -24,7 +24,7 @@ impl IncrementContract {
         // If the lifetime is already more than 100 ledgers, this is a no-op. Otherwise,
         // the lifetime is extended to 100 ledgers. This lifetime bump includes the contract
         // instance itself and all entries in storage().instance(), i.e, COUNTER.
-        env.storage().instance().bump(50, 100);
+        env.storage().instance().extend_ttl(50, 100);
 
         // Return the count to the caller.
         count
diff --git a/liquidity_pool/Cargo.lock b/liquidity_pool/Cargo.lock
index ba28caa7..a03f2e3a 100644
--- a/liquidity_pool/Cargo.lock
+++ b/liquidity_pool/Cargo.lock
@@ -4,9 +4,9 @@ version = 3
 
 [[package]]
 name = "addr2line"
-version = "0.19.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a76fd60b23679b7d19bd066031410fb7e458ccc5e958eb5c325888ce4baedc97"
+checksum = "8a30b2e23b9e17a9f90641c7ab1549cd9b44f296d3ccbf309d2863cfe398a0cb"
 dependencies = [
  "gimli",
 ]
@@ -28,9 +28,9 @@ dependencies = [
 
 [[package]]
 name = "arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2d098ff73c1ca148721f37baad5ea6a465a13f9573aba8641fbbbae8164a54e"
+checksum = "7d5a26814d8dcb93b0e5a0ff3c6d80a8843bafb21b39e8e18a6f05471870e110"
 dependencies = [
  "derive_arbitrary",
 ]
@@ -43,9 +43,9 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "backtrace"
-version = "0.3.67"
+version = "0.3.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "233d376d6d185f2a3093e58f283f60f880315b6c60075b01f36b3b85154564ca"
+checksum = "2089b7e3f35b9dd2d0ed921ead4f6d318c27680d4a5bd167b3ee120edb105837"
 dependencies = [
  "addr2line",
  "cc",
@@ -110,7 +110,7 @@ dependencies = [
  "num-bigint",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -209,14 +209,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1586fa608b1dab41f667475b4a41faec5ba680aee428bfa5de4ea520fdc6e901"
 dependencies = [
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "curve25519-dalek"
-version = "4.0.0"
+version = "4.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f711ade317dd348950a9910f81c5947e3d8907ebd2b83f76203ff1807e6a2bc2"
+checksum = "e89b8c6a2e4b1f45971ad09761aafb85514a84744b67a95e32c3cc1352d1f65c"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -237,7 +237,7 @@ checksum = "83fdaf97f4804dcebfa5862639bc9ce4121e82140bec2a987ac5140294865b5b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -264,7 +264,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "scratch",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -281,7 +281,7 @@ checksum = "2345488264226bf682893e25de0769f3360aac9957980ec49361b083ddaa5bc5"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -305,7 +305,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "strsim",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -316,7 +316,7 @@ checksum = "29a358ff9f12ec09c3e61fef9b5a9902623a695a46a917b07f269bff1445611a"
 dependencies = [
  "darling_core",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -331,13 +331,13 @@ dependencies = [
 
 [[package]]
 name = "derive_arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3cdeb9ec472d588e539a818b2dee436825730da08ad0017c4b1a17676bdc8b7"
+checksum = "67e77553c4162a157adbf834ebae5b415acbecbeafc7a74b0e886657506a7611"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -421,11 +421,23 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
+[[package]]
+name = "escape-bytes"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bfcf67fea2815c2fc3b90873fae90957be12ff417335dfadc7f52927feb03b2"
+
 [[package]]
 name = "ethnum"
-version = "1.3.2"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0198b9d0078e0f30dedc7acbb21c974e838fc8fae3ee170128658a98cb2c1c04"
+checksum = "b90ca2580b73ab6a1f724b76ca11ab632df820fd6040c336200d2c1df7b3c82c"
 
 [[package]]
 name = "ff"
@@ -439,9 +451,9 @@ dependencies = [
 
 [[package]]
 name = "fiat-crypto"
-version = "0.1.20"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e825f6987101665dea6ec934c09ec6d721de7bc1bf92248e1d5810c8cd636b77"
+checksum = "27573eac26f4dd11e2b1916c3fe1baa56407c83c71a773a8ba17ec0bca03b6b7"
 
 [[package]]
 name = "fnv"
@@ -462,9 +474,9 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.10"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
+checksum = "fe9006bed769170c11f845cf00c7c1e9092aeb3f268e007c3e760ac68008070f"
 dependencies = [
  "cfg-if",
  "js-sys",
@@ -475,9 +487,9 @@ dependencies = [
 
 [[package]]
 name = "gimli"
-version = "0.27.2"
+version = "0.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad0a93d233ebf96623465aad4046a8d3aa4da22d4f4beba5388838c8a434bbb4"
+checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
 
 [[package]]
 name = "group"
@@ -496,6 +508,12 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "hashbrown"
+version = "0.14.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
+
 [[package]]
 name = "hex"
 version = "0.4.3"
@@ -505,6 +523,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "hex-literal"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fe2267d4ed49bc07b63801559be28c718ea06c4738b7a03c94df7386d2cde46"
+
 [[package]]
 name = "hmac"
 version = "0.12.1"
@@ -551,7 +575,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
 dependencies = [
  "autocfg",
- "hashbrown",
+ "hashbrown 0.12.3",
+ "serde",
+]
+
+[[package]]
+name = "indexmap"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d530e1a18b1cb4c484e6e34556a0d948706958449fca0cab753d649f2bce3d1f"
+dependencies = [
+ "equivalent",
+ "hashbrown 0.14.3",
  "serde",
 ]
 
@@ -563,9 +598,9 @@ checksum = "8e04e2fd2b8188ea827b32ef11de88377086d690286ab35747ef7f9bf3ccb590"
 
 [[package]]
 name = "itertools"
-version = "0.10.5"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+checksum = "b1c173a5686ce8bfa551b3563d0c2170bf24ca44da99c7ca4bfdab5418c3fe57"
 dependencies = [
  "either",
 ]
@@ -610,9 +645,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.147"
+version = "0.2.150"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
+checksum = "89d92a4743f9a61002fae18374ed11e7973f530cb3a3255fb354818118b2203c"
 
 [[package]]
 name = "libm"
@@ -646,9 +681,9 @@ checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
 name = "miniz_oxide"
-version = "0.6.2"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b275950c28b37e794e8c55d88aeb5e139d0ce23fdbbeda68f8d7174abdf9e8fa"
+checksum = "e7810e0be55b428ada41041c41f32c9f1a42817901b4ccf45fa3d4b6561e74c7"
 dependencies = [
  "adler",
 ]
@@ -666,13 +701,13 @@ dependencies = [
 
 [[package]]
 name = "num-derive"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e6a0fd4f737c707bd9086cc16c925f294943eb62eb71499e9fd4cf71f8b9f4e"
+checksum = "cfb77679af88f8b125209d354a202862602672222e7f2313fdd6dc349bad4712"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -687,18 +722,18 @@ dependencies = [
 
 [[package]]
 name = "num-traits"
-version = "0.2.15"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
+checksum = "39e3200413f237f41ab11ad6d161bc7239c84dcb631773ccd7de3dfe4b5c267c"
 dependencies = [
  "autocfg",
 ]
 
 [[package]]
 name = "object"
-version = "0.30.3"
+version = "0.32.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea86265d3d3dcb6a27fc51bd29a4bf387fae9d2986b823079d4986af253eb439"
+checksum = "9cf5f9dd3933bd50a9e1f149ec995f39ae2c496d31fd772c1fd45ebc27e902b0"
 dependencies = [
  "memchr",
 ]
@@ -744,23 +779,23 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1ceca8aaf45b5c46ec7ed39fff75f57290368c1846d33d24a122ca81416ab058"
 dependencies = [
  "proc-macro2",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.56"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b63bdb0cd06f1f4dedf69b254734f9b45af66e4a031e42a7480257d9898b435"
+checksum = "134c189feb4956b20f6f547d2cf727d4c0fe06722b20a0eec87ed445a97f92da"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.26"
+version = "1.0.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4424af4bf778aae2051a77b60283332f386554255d722233d09fbfc7e30da2fc"
+checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
 dependencies = [
  "proc-macro2",
 ]
@@ -854,29 +889,29 @@ checksum = "bebd363326d05ec3e2f532ab7660680f3b02130d780c299bca73469d521bc0ed"
 
 [[package]]
 name = "serde"
-version = "1.0.160"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb2f3770c8bce3bcda7e149193a069a0f4365bda1fa5cd88e03bca26afc1216c"
+checksum = "bca2a08484b285dcb282d0f67b26cadc0df8b19f8c12502c13d966bf9482f001"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.160"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "291a097c63d8497e00160b166a967a4a79c64f3facdd01cbd7502231688d77df"
+checksum = "d6c7207fbec9faa48073f3e3074cbe553af6ea512d7c21ba46e434e70ea9fbc1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.96"
+version = "1.0.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "057d394a50403bcac12672b2b18fb387ab6d289d957dab67dd201875391e52f1"
+checksum = "3d1c7e3eac408d115102c4c24ad393e0821bb3a5df4d506a80f85f7a742a526b"
 dependencies = [
  "itoa",
  "ryu",
@@ -885,14 +920,15 @@ dependencies = [
 
 [[package]]
 name = "serde_with"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f02d8aa6e3c385bf084924f660ce2a3a6bd333ba55b35e8590b321f35d88513"
+checksum = "64cd236ccc1b7a29e7e2739f27c0b2dd199804abc4290e32f59f3b68d6405c23"
 dependencies = [
  "base64 0.21.0",
  "chrono",
  "hex",
- "indexmap",
+ "indexmap 1.9.3",
+ "indexmap 2.1.0",
  "serde",
  "serde_json",
  "serde_with_macros",
@@ -901,21 +937,21 @@ dependencies = [
 
 [[package]]
 name = "serde_with_macros"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edc7d5d3932fb12ce722ee5e64dd38c504efba37567f0c402f6ca728c3b8b070"
+checksum = "93634eb5f75a2323b16de4748022ac4297f9e76b6dced2be287a099f41b5e788"
 dependencies = [
  "darling",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "sha2"
-version = "0.10.7"
+version = "0.10.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "479fb9d862239e610720565ca91403019f2f00410f1864c5aa7479b950a76ed8"
+checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -948,11 +984,23 @@ version = "1.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a507befe795404456341dfab10cef66ead4c041f62b8b11bbb92bffe5d0953e0"
 
+[[package]]
+name = "soroban-builtin-sdk-macros"
+version = "20.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b42487d6b0268748f753feeb579c6f7908dbb002faf20b703e6a7185b12f0527"
+dependencies = [
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.39",
+]
+
 [[package]]
 name = "soroban-env-common"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2508a41765935d3bef43b2264667c4603725cf7ddd851321f1dc2b3bca8bb88"
+checksum = "5bb493483fa3e3ebfb4c081472495d14b0abcfbe04ba142a56ff63056cc62700"
 dependencies = [
  "arbitrary",
  "crate-git-revision",
@@ -968,9 +1016,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-guest"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b41f1b3ebb747487ff9920822112a5816030e053734ed63c05f1a7db476f2768"
+checksum = "3f31a738ef5faf4084c4b1824a8e3f93dfff0261a3909e86060f818e728479a3"
 dependencies = [
  "soroban-env-common",
  "static_assertions",
@@ -978,13 +1026,16 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-host"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "347fc729270de2fc8e312ba1872ef90fdc8dfcd0dacdd07a3bb7a038c41ea6d6"
+checksum = "bdd1172a76c0bc2ce67ec7f28ca37dddbe9fefabe583f80434f5f60aaee3547e"
 dependencies = [
  "backtrace",
+ "curve25519-dalek",
  "ed25519-dalek",
  "getrandom",
+ "hex-literal",
+ "hmac",
  "k256",
  "num-derive",
  "num-integer",
@@ -993,8 +1044,8 @@ dependencies = [
  "rand_chacha",
  "sha2",
  "sha3",
+ "soroban-builtin-sdk-macros",
  "soroban-env-common",
- "soroban-native-sdk-macros",
  "soroban-wasmi",
  "static_assertions",
  "stellar-strkey",
@@ -1002,9 +1053,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f16b7a75d77ae47143a07f92a35661c21e965f63bb4362d8491188a993687745"
+checksum = "5c0536648cea69ab3bae1801d35f92c0a31e7449cd2c7d14a18fb5e413f43279"
 dependencies = [
  "itertools",
  "proc-macro2",
@@ -1012,17 +1063,18 @@ dependencies = [
  "serde",
  "serde_json",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "soroban-ledger-snapshot"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d202c5870aeec1cb97bfd06a94b8fe691c513ba6da8638deb07d8660e90056ba"
+checksum = "37960eec21d7dc5dbd976fa16e38c056429663a89243798486b07afbb263c9b5"
 dependencies = [
  "serde",
  "serde_json",
+ "serde_with",
  "soroban-env-common",
  "soroban-env-host",
  "thiserror",
@@ -1036,29 +1088,19 @@ dependencies = [
  "soroban-sdk",
 ]
 
-[[package]]
-name = "soroban-native-sdk-macros"
-version = "20.0.0-rc2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe8cf96e5c9308347bc6fa0735d0591475a20b43ed00f96ad2df623bbe9c1e88"
-dependencies = [
- "itertools",
- "proc-macro2",
- "quote",
- "syn 2.0.15",
-]
-
 [[package]]
 name = "soroban-sdk"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d771d43a66ba0df14ff28ac1b37a6568da00afa12f28273a67fe92853ab28f8"
+checksum = "f08e1fdb18dbee88160ea6640962faf021a49f22eb1bd212c4d8b0cef32c582c"
 dependencies = [
  "arbitrary",
  "bytes-lit",
  "ctor",
  "ed25519-dalek",
  "rand",
+ "serde",
+ "serde_json",
  "soroban-env-guest",
  "soroban-env-host",
  "soroban-ledger-snapshot",
@@ -1068,9 +1110,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-sdk-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf5a6dd2e08217fdd75f3f849256dda2614badda9095df233a47c7c8f9783493"
+checksum = "6c5cae44f304f2fd32f9cfa9a31a9b58eb1c10aa07a7d5b591921cf7fa649e44"
 dependencies = [
  "crate-git-revision",
  "darling",
@@ -1083,14 +1125,14 @@ dependencies = [
  "soroban-spec",
  "soroban-spec-rust",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "soroban-spec"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e2a55aab81d7cd1df66f85de3d815fb08fc5fa412270dc374e031e27528c711"
+checksum = "7539cfa0abe36f3d33c49fe1253f6b652c91c9a9841fe83dedc1799b7f4bb55f"
 dependencies = [
  "base64 0.13.1",
  "stellar-xdr",
@@ -1100,9 +1142,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-spec-rust"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1bcfa549d3362e6eafa3a51ad29d571f3dbae2cb9fe33d9f94c00a9f742f71df"
+checksum = "eb6189ef3ede0061db14b0cf9fa2692a2cb6c6e8d941689f0c9ca82b68c47ab2"
 dependencies = [
  "prettyplease",
  "proc-macro2",
@@ -1110,15 +1152,15 @@ dependencies = [
  "sha2",
  "soroban-spec",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
  "thiserror",
 ]
 
 [[package]]
 name = "soroban-wasmi"
-version = "0.31.0-soroban1"
+version = "0.31.1-soroban.20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b6e3e79c1f227ec98ea1e8fbf43d0267b9ca748616c9c8c0162fa2a8ca4d5d2"
+checksum = "c1aaa682a67cbd2173f1d60cb1e7b951d490d7c4e0b7b6f5387cbb952e963c46"
 dependencies = [
  "smallvec",
  "spin",
@@ -1151,26 +1193,29 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "stellar-strkey"
-version = "0.0.7"
+version = "0.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c0689070126ca7f2effc2c5726584446db52190f0cef043c02eb4040a711c11"
+checksum = "12d2bf45e114117ea91d820a846fd1afbe3ba7d717988fee094ce8227a3bf8bd"
 dependencies = [
  "base32",
+ "crate-git-revision",
  "thiserror",
 ]
 
 [[package]]
 name = "stellar-xdr"
-version = "20.0.0-rc1"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e09a3734914a7427dbcd4f06b6dcd2b1cf38e934202f6abe4d73658f718b6113"
+checksum = "9595b775539e475da4179fa46212b11e4575f526d57b13308989a8c1dd59238c"
 dependencies = [
  "arbitrary",
  "base64 0.13.1",
  "crate-git-revision",
+ "escape-bytes",
  "hex",
  "serde",
  "serde_with",
+ "stellar-strkey",
 ]
 
 [[package]]
@@ -1198,9 +1243,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.15"
+version = "2.0.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a34fcf3e8b60f57e6a14301a2e916d323af98b0ea63c599441eec8558660c822"
+checksum = "23e78b90f2fcf45d3e842032ce32e3f2d1545ba6636271dcbf24fa306d87be7a"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1233,7 +1278,7 @@ checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -1371,7 +1416,7 @@ version = "0.88.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb8cf7dd82407fe68161bedcd57fde15596f32ebf6e9b3bdbf3ae1da20e38e5e"
 dependencies = [
- "indexmap",
+ "indexmap 1.9.3",
 ]
 
 [[package]]
diff --git a/liquidity_pool/Cargo.toml b/liquidity_pool/Cargo.toml
index 7bc37c9c..b9280ecb 100644
--- a/liquidity_pool/Cargo.toml
+++ b/liquidity_pool/Cargo.toml
@@ -8,11 +8,11 @@ publish = false
 crate-type = ["cdylib"]
 
 [dependencies]
-soroban-sdk = { version = "20.0.0-rc2" }
+soroban-sdk = { version = "20.0.0" }
 num-integer = { version = "0.1.45", default-features = false, features = ["i128"] }
 
 [dev_dependencies]
-soroban-sdk = { version = "20.0.0-rc2", features = ["testutils"] }
+soroban-sdk = { version = "20.0.0", features = ["testutils"] }
 
 [profile.release]
 opt-level = "z"
diff --git a/liquidity_pool/src/test.rs b/liquidity_pool/src/test.rs
index f7f90bdc..0d57e32d 100644
--- a/liquidity_pool/src/test.rs
+++ b/liquidity_pool/src/test.rs
@@ -36,8 +36,8 @@ fn test() {
     let e = Env::default();
     e.mock_all_auths();
 
-    let mut admin1 = Address::random(&e);
-    let mut admin2 = Address::random(&e);
+    let mut admin1 = Address::generate(&e);
+    let mut admin2 = Address::generate(&e);
 
     let mut token1 = create_token_contract(&e, &admin1);
     let mut token2 = create_token_contract(&e, &admin2);
@@ -45,7 +45,7 @@ fn test() {
         std::mem::swap(&mut token1, &mut token2);
         std::mem::swap(&mut admin1, &mut admin2);
     }
-    let user1 = Address::random(&e);
+    let user1 = Address::generate(&e);
     let liqpool = create_liqpool_contract(
         &e,
         &install_token_wasm(&e),
diff --git a/logging/Cargo.lock b/logging/Cargo.lock
index b45a95e4..8e4837bb 100644
--- a/logging/Cargo.lock
+++ b/logging/Cargo.lock
@@ -4,9 +4,9 @@ version = 3
 
 [[package]]
 name = "addr2line"
-version = "0.19.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a76fd60b23679b7d19bd066031410fb7e458ccc5e958eb5c325888ce4baedc97"
+checksum = "8a30b2e23b9e17a9f90641c7ab1549cd9b44f296d3ccbf309d2863cfe398a0cb"
 dependencies = [
  "gimli",
 ]
@@ -28,9 +28,9 @@ dependencies = [
 
 [[package]]
 name = "arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2d098ff73c1ca148721f37baad5ea6a465a13f9573aba8641fbbbae8164a54e"
+checksum = "7d5a26814d8dcb93b0e5a0ff3c6d80a8843bafb21b39e8e18a6f05471870e110"
 dependencies = [
  "derive_arbitrary",
 ]
@@ -43,9 +43,9 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "backtrace"
-version = "0.3.67"
+version = "0.3.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "233d376d6d185f2a3093e58f283f60f880315b6c60075b01f36b3b85154564ca"
+checksum = "2089b7e3f35b9dd2d0ed921ead4f6d318c27680d4a5bd167b3ee120edb105837"
 dependencies = [
  "addr2line",
  "cc",
@@ -110,7 +110,7 @@ dependencies = [
  "num-bigint",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -209,14 +209,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1586fa608b1dab41f667475b4a41faec5ba680aee428bfa5de4ea520fdc6e901"
 dependencies = [
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "curve25519-dalek"
-version = "4.0.0"
+version = "4.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f711ade317dd348950a9910f81c5947e3d8907ebd2b83f76203ff1807e6a2bc2"
+checksum = "e89b8c6a2e4b1f45971ad09761aafb85514a84744b67a95e32c3cc1352d1f65c"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -237,7 +237,7 @@ checksum = "83fdaf97f4804dcebfa5862639bc9ce4121e82140bec2a987ac5140294865b5b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -264,7 +264,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "scratch",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -281,7 +281,7 @@ checksum = "2345488264226bf682893e25de0769f3360aac9957980ec49361b083ddaa5bc5"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -305,7 +305,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "strsim",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -316,7 +316,7 @@ checksum = "29a358ff9f12ec09c3e61fef9b5a9902623a695a46a917b07f269bff1445611a"
 dependencies = [
  "darling_core",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -331,13 +331,13 @@ dependencies = [
 
 [[package]]
 name = "derive_arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3cdeb9ec472d588e539a818b2dee436825730da08ad0017c4b1a17676bdc8b7"
+checksum = "67e77553c4162a157adbf834ebae5b415acbecbeafc7a74b0e886657506a7611"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -421,11 +421,23 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
+[[package]]
+name = "escape-bytes"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bfcf67fea2815c2fc3b90873fae90957be12ff417335dfadc7f52927feb03b2"
+
 [[package]]
 name = "ethnum"
-version = "1.3.2"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0198b9d0078e0f30dedc7acbb21c974e838fc8fae3ee170128658a98cb2c1c04"
+checksum = "b90ca2580b73ab6a1f724b76ca11ab632df820fd6040c336200d2c1df7b3c82c"
 
 [[package]]
 name = "ff"
@@ -439,9 +451,9 @@ dependencies = [
 
 [[package]]
 name = "fiat-crypto"
-version = "0.1.20"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e825f6987101665dea6ec934c09ec6d721de7bc1bf92248e1d5810c8cd636b77"
+checksum = "27573eac26f4dd11e2b1916c3fe1baa56407c83c71a773a8ba17ec0bca03b6b7"
 
 [[package]]
 name = "fnv"
@@ -462,9 +474,9 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.10"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
+checksum = "fe9006bed769170c11f845cf00c7c1e9092aeb3f268e007c3e760ac68008070f"
 dependencies = [
  "cfg-if",
  "js-sys",
@@ -475,9 +487,9 @@ dependencies = [
 
 [[package]]
 name = "gimli"
-version = "0.27.2"
+version = "0.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad0a93d233ebf96623465aad4046a8d3aa4da22d4f4beba5388838c8a434bbb4"
+checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
 
 [[package]]
 name = "group"
@@ -496,6 +508,12 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "hashbrown"
+version = "0.14.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
+
 [[package]]
 name = "hex"
 version = "0.4.3"
@@ -505,6 +523,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "hex-literal"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fe2267d4ed49bc07b63801559be28c718ea06c4738b7a03c94df7386d2cde46"
+
 [[package]]
 name = "hmac"
 version = "0.12.1"
@@ -551,7 +575,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
 dependencies = [
  "autocfg",
- "hashbrown",
+ "hashbrown 0.12.3",
+ "serde",
+]
+
+[[package]]
+name = "indexmap"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d530e1a18b1cb4c484e6e34556a0d948706958449fca0cab753d649f2bce3d1f"
+dependencies = [
+ "equivalent",
+ "hashbrown 0.14.3",
  "serde",
 ]
 
@@ -563,9 +598,9 @@ checksum = "8e04e2fd2b8188ea827b32ef11de88377086d690286ab35747ef7f9bf3ccb590"
 
 [[package]]
 name = "itertools"
-version = "0.10.5"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+checksum = "b1c173a5686ce8bfa551b3563d0c2170bf24ca44da99c7ca4bfdab5418c3fe57"
 dependencies = [
  "either",
 ]
@@ -610,9 +645,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.147"
+version = "0.2.150"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
+checksum = "89d92a4743f9a61002fae18374ed11e7973f530cb3a3255fb354818118b2203c"
 
 [[package]]
 name = "libm"
@@ -646,9 +681,9 @@ checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
 name = "miniz_oxide"
-version = "0.6.2"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b275950c28b37e794e8c55d88aeb5e139d0ce23fdbbeda68f8d7174abdf9e8fa"
+checksum = "e7810e0be55b428ada41041c41f32c9f1a42817901b4ccf45fa3d4b6561e74c7"
 dependencies = [
  "adler",
 ]
@@ -666,13 +701,13 @@ dependencies = [
 
 [[package]]
 name = "num-derive"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e6a0fd4f737c707bd9086cc16c925f294943eb62eb71499e9fd4cf71f8b9f4e"
+checksum = "cfb77679af88f8b125209d354a202862602672222e7f2313fdd6dc349bad4712"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -687,18 +722,18 @@ dependencies = [
 
 [[package]]
 name = "num-traits"
-version = "0.2.15"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
+checksum = "39e3200413f237f41ab11ad6d161bc7239c84dcb631773ccd7de3dfe4b5c267c"
 dependencies = [
  "autocfg",
 ]
 
 [[package]]
 name = "object"
-version = "0.30.3"
+version = "0.32.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea86265d3d3dcb6a27fc51bd29a4bf387fae9d2986b823079d4986af253eb439"
+checksum = "9cf5f9dd3933bd50a9e1f149ec995f39ae2c496d31fd772c1fd45ebc27e902b0"
 dependencies = [
  "memchr",
 ]
@@ -744,23 +779,23 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1ceca8aaf45b5c46ec7ed39fff75f57290368c1846d33d24a122ca81416ab058"
 dependencies = [
  "proc-macro2",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.56"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b63bdb0cd06f1f4dedf69b254734f9b45af66e4a031e42a7480257d9898b435"
+checksum = "134c189feb4956b20f6f547d2cf727d4c0fe06722b20a0eec87ed445a97f92da"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.26"
+version = "1.0.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4424af4bf778aae2051a77b60283332f386554255d722233d09fbfc7e30da2fc"
+checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
 dependencies = [
  "proc-macro2",
 ]
@@ -854,29 +889,29 @@ checksum = "bebd363326d05ec3e2f532ab7660680f3b02130d780c299bca73469d521bc0ed"
 
 [[package]]
 name = "serde"
-version = "1.0.160"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb2f3770c8bce3bcda7e149193a069a0f4365bda1fa5cd88e03bca26afc1216c"
+checksum = "bca2a08484b285dcb282d0f67b26cadc0df8b19f8c12502c13d966bf9482f001"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.160"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "291a097c63d8497e00160b166a967a4a79c64f3facdd01cbd7502231688d77df"
+checksum = "d6c7207fbec9faa48073f3e3074cbe553af6ea512d7c21ba46e434e70ea9fbc1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.96"
+version = "1.0.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "057d394a50403bcac12672b2b18fb387ab6d289d957dab67dd201875391e52f1"
+checksum = "3d1c7e3eac408d115102c4c24ad393e0821bb3a5df4d506a80f85f7a742a526b"
 dependencies = [
  "itoa",
  "ryu",
@@ -885,14 +920,15 @@ dependencies = [
 
 [[package]]
 name = "serde_with"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f02d8aa6e3c385bf084924f660ce2a3a6bd333ba55b35e8590b321f35d88513"
+checksum = "64cd236ccc1b7a29e7e2739f27c0b2dd199804abc4290e32f59f3b68d6405c23"
 dependencies = [
  "base64 0.21.0",
  "chrono",
  "hex",
- "indexmap",
+ "indexmap 1.9.3",
+ "indexmap 2.1.0",
  "serde",
  "serde_json",
  "serde_with_macros",
@@ -901,21 +937,21 @@ dependencies = [
 
 [[package]]
 name = "serde_with_macros"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edc7d5d3932fb12ce722ee5e64dd38c504efba37567f0c402f6ca728c3b8b070"
+checksum = "93634eb5f75a2323b16de4748022ac4297f9e76b6dced2be287a099f41b5e788"
 dependencies = [
  "darling",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "sha2"
-version = "0.10.7"
+version = "0.10.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "479fb9d862239e610720565ca91403019f2f00410f1864c5aa7479b950a76ed8"
+checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -948,11 +984,23 @@ version = "1.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a507befe795404456341dfab10cef66ead4c041f62b8b11bbb92bffe5d0953e0"
 
+[[package]]
+name = "soroban-builtin-sdk-macros"
+version = "20.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b42487d6b0268748f753feeb579c6f7908dbb002faf20b703e6a7185b12f0527"
+dependencies = [
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.39",
+]
+
 [[package]]
 name = "soroban-env-common"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2508a41765935d3bef43b2264667c4603725cf7ddd851321f1dc2b3bca8bb88"
+checksum = "5bb493483fa3e3ebfb4c081472495d14b0abcfbe04ba142a56ff63056cc62700"
 dependencies = [
  "arbitrary",
  "crate-git-revision",
@@ -968,9 +1016,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-guest"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b41f1b3ebb747487ff9920822112a5816030e053734ed63c05f1a7db476f2768"
+checksum = "3f31a738ef5faf4084c4b1824a8e3f93dfff0261a3909e86060f818e728479a3"
 dependencies = [
  "soroban-env-common",
  "static_assertions",
@@ -978,13 +1026,16 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-host"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "347fc729270de2fc8e312ba1872ef90fdc8dfcd0dacdd07a3bb7a038c41ea6d6"
+checksum = "bdd1172a76c0bc2ce67ec7f28ca37dddbe9fefabe583f80434f5f60aaee3547e"
 dependencies = [
  "backtrace",
+ "curve25519-dalek",
  "ed25519-dalek",
  "getrandom",
+ "hex-literal",
+ "hmac",
  "k256",
  "num-derive",
  "num-integer",
@@ -993,8 +1044,8 @@ dependencies = [
  "rand_chacha",
  "sha2",
  "sha3",
+ "soroban-builtin-sdk-macros",
  "soroban-env-common",
- "soroban-native-sdk-macros",
  "soroban-wasmi",
  "static_assertions",
  "stellar-strkey",
@@ -1002,9 +1053,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f16b7a75d77ae47143a07f92a35661c21e965f63bb4362d8491188a993687745"
+checksum = "5c0536648cea69ab3bae1801d35f92c0a31e7449cd2c7d14a18fb5e413f43279"
 dependencies = [
  "itertools",
  "proc-macro2",
@@ -1012,17 +1063,18 @@ dependencies = [
  "serde",
  "serde_json",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "soroban-ledger-snapshot"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d202c5870aeec1cb97bfd06a94b8fe691c513ba6da8638deb07d8660e90056ba"
+checksum = "37960eec21d7dc5dbd976fa16e38c056429663a89243798486b07afbb263c9b5"
 dependencies = [
  "serde",
  "serde_json",
+ "serde_with",
  "soroban-env-common",
  "soroban-env-host",
  "thiserror",
@@ -1035,29 +1087,19 @@ dependencies = [
  "soroban-sdk",
 ]
 
-[[package]]
-name = "soroban-native-sdk-macros"
-version = "20.0.0-rc2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe8cf96e5c9308347bc6fa0735d0591475a20b43ed00f96ad2df623bbe9c1e88"
-dependencies = [
- "itertools",
- "proc-macro2",
- "quote",
- "syn 2.0.15",
-]
-
 [[package]]
 name = "soroban-sdk"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d771d43a66ba0df14ff28ac1b37a6568da00afa12f28273a67fe92853ab28f8"
+checksum = "f08e1fdb18dbee88160ea6640962faf021a49f22eb1bd212c4d8b0cef32c582c"
 dependencies = [
  "arbitrary",
  "bytes-lit",
  "ctor",
  "ed25519-dalek",
  "rand",
+ "serde",
+ "serde_json",
  "soroban-env-guest",
  "soroban-env-host",
  "soroban-ledger-snapshot",
@@ -1067,9 +1109,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-sdk-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf5a6dd2e08217fdd75f3f849256dda2614badda9095df233a47c7c8f9783493"
+checksum = "6c5cae44f304f2fd32f9cfa9a31a9b58eb1c10aa07a7d5b591921cf7fa649e44"
 dependencies = [
  "crate-git-revision",
  "darling",
@@ -1082,14 +1124,14 @@ dependencies = [
  "soroban-spec",
  "soroban-spec-rust",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "soroban-spec"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e2a55aab81d7cd1df66f85de3d815fb08fc5fa412270dc374e031e27528c711"
+checksum = "7539cfa0abe36f3d33c49fe1253f6b652c91c9a9841fe83dedc1799b7f4bb55f"
 dependencies = [
  "base64 0.13.1",
  "stellar-xdr",
@@ -1099,9 +1141,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-spec-rust"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1bcfa549d3362e6eafa3a51ad29d571f3dbae2cb9fe33d9f94c00a9f742f71df"
+checksum = "eb6189ef3ede0061db14b0cf9fa2692a2cb6c6e8d941689f0c9ca82b68c47ab2"
 dependencies = [
  "prettyplease",
  "proc-macro2",
@@ -1109,15 +1151,15 @@ dependencies = [
  "sha2",
  "soroban-spec",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
  "thiserror",
 ]
 
 [[package]]
 name = "soroban-wasmi"
-version = "0.31.0-soroban1"
+version = "0.31.1-soroban.20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b6e3e79c1f227ec98ea1e8fbf43d0267b9ca748616c9c8c0162fa2a8ca4d5d2"
+checksum = "c1aaa682a67cbd2173f1d60cb1e7b951d490d7c4e0b7b6f5387cbb952e963c46"
 dependencies = [
  "smallvec",
  "spin",
@@ -1150,26 +1192,29 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "stellar-strkey"
-version = "0.0.7"
+version = "0.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c0689070126ca7f2effc2c5726584446db52190f0cef043c02eb4040a711c11"
+checksum = "12d2bf45e114117ea91d820a846fd1afbe3ba7d717988fee094ce8227a3bf8bd"
 dependencies = [
  "base32",
+ "crate-git-revision",
  "thiserror",
 ]
 
 [[package]]
 name = "stellar-xdr"
-version = "20.0.0-rc1"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e09a3734914a7427dbcd4f06b6dcd2b1cf38e934202f6abe4d73658f718b6113"
+checksum = "9595b775539e475da4179fa46212b11e4575f526d57b13308989a8c1dd59238c"
 dependencies = [
  "arbitrary",
  "base64 0.13.1",
  "crate-git-revision",
+ "escape-bytes",
  "hex",
  "serde",
  "serde_with",
+ "stellar-strkey",
 ]
 
 [[package]]
@@ -1197,9 +1242,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.15"
+version = "2.0.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a34fcf3e8b60f57e6a14301a2e916d323af98b0ea63c599441eec8558660c822"
+checksum = "23e78b90f2fcf45d3e842032ce32e3f2d1545ba6636271dcbf24fa306d87be7a"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1232,7 +1277,7 @@ checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -1370,7 +1415,7 @@ version = "0.88.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb8cf7dd82407fe68161bedcd57fde15596f32ebf6e9b3bdbf3ae1da20e38e5e"
 dependencies = [
- "indexmap",
+ "indexmap 1.9.3",
 ]
 
 [[package]]
diff --git a/logging/Cargo.toml b/logging/Cargo.toml
index d610f428..67b4d3a1 100644
--- a/logging/Cargo.toml
+++ b/logging/Cargo.toml
@@ -14,10 +14,10 @@ doctest = false
 testutils = ["soroban-sdk/testutils"]
 
 [dependencies]
-soroban-sdk = { version = "20.0.0-rc2" }
+soroban-sdk = { version = "20.0.0" }
 
 [dev_dependencies]
-soroban-sdk = { version = "20.0.0-rc2", features = ["testutils"] }
+soroban-sdk = { version = "20.0.0", features = ["testutils"] }
 
 [profile.release]
 opt-level = "z"
diff --git a/logging/src/test.rs b/logging/src/test.rs
index f2b30e05..2ca65542 100644
--- a/logging/src/test.rs
+++ b/logging/src/test.rs
@@ -1,7 +1,9 @@
 #![cfg(test)]
 
 use super::*;
-use soroban_sdk::{symbol_short, testutils::Logs, Address, BytesN, Env};
+use soroban_sdk::{
+    symbol_short, testutils::Logs, xdr::Hash, xdr::ScAddress, Address, BytesN, Env, TryFromVal,
+};
 
 extern crate std;
 
@@ -10,7 +12,10 @@ fn test() {
     let env = Env::default();
 
     let id_bytes = BytesN::from_array(&env, &[8; 32]);
-    let contract_id = env.register_contract(&Address::from_contract_id(&id_bytes), Contract);
+
+    let addr: Address =
+        Address::try_from_val(&env, &ScAddress::Contract(Hash(id_bytes.to_array()))).unwrap();
+    let contract_id = env.register_contract(&addr, Contract);
     let client = ContractClient::new(&env, &contract_id);
 
     client.hello(&symbol_short!("Dev"));
diff --git a/simple_account/Cargo.lock b/simple_account/Cargo.lock
index f5b41aca..4228cfa4 100644
--- a/simple_account/Cargo.lock
+++ b/simple_account/Cargo.lock
@@ -4,9 +4,9 @@ version = 3
 
 [[package]]
 name = "addr2line"
-version = "0.19.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a76fd60b23679b7d19bd066031410fb7e458ccc5e958eb5c325888ce4baedc97"
+checksum = "8a30b2e23b9e17a9f90641c7ab1549cd9b44f296d3ccbf309d2863cfe398a0cb"
 dependencies = [
  "gimli",
 ]
@@ -28,9 +28,9 @@ dependencies = [
 
 [[package]]
 name = "arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2d098ff73c1ca148721f37baad5ea6a465a13f9573aba8641fbbbae8164a54e"
+checksum = "7d5a26814d8dcb93b0e5a0ff3c6d80a8843bafb21b39e8e18a6f05471870e110"
 dependencies = [
  "derive_arbitrary",
 ]
@@ -43,9 +43,9 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "backtrace"
-version = "0.3.67"
+version = "0.3.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "233d376d6d185f2a3093e58f283f60f880315b6c60075b01f36b3b85154564ca"
+checksum = "2089b7e3f35b9dd2d0ed921ead4f6d318c27680d4a5bd167b3ee120edb105837"
 dependencies = [
  "addr2line",
  "cc",
@@ -125,7 +125,7 @@ dependencies = [
  "num-bigint",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -224,7 +224,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1586fa608b1dab41f667475b4a41faec5ba680aee428bfa5de4ea520fdc6e901"
 dependencies = [
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -242,9 +242,9 @@ dependencies = [
 
 [[package]]
 name = "curve25519-dalek"
-version = "4.0.0"
+version = "4.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f711ade317dd348950a9910f81c5947e3d8907ebd2b83f76203ff1807e6a2bc2"
+checksum = "e89b8c6a2e4b1f45971ad09761aafb85514a84744b67a95e32c3cc1352d1f65c"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -265,7 +265,7 @@ checksum = "83fdaf97f4804dcebfa5862639bc9ce4121e82140bec2a987ac5140294865b5b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -292,7 +292,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "scratch",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -309,7 +309,7 @@ checksum = "2345488264226bf682893e25de0769f3360aac9957980ec49361b083ddaa5bc5"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -333,7 +333,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "strsim",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -344,7 +344,7 @@ checksum = "29a358ff9f12ec09c3e61fef9b5a9902623a695a46a917b07f269bff1445611a"
 dependencies = [
  "darling_core",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -359,13 +359,13 @@ dependencies = [
 
 [[package]]
 name = "derive_arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3cdeb9ec472d588e539a818b2dee436825730da08ad0017c4b1a17676bdc8b7"
+checksum = "67e77553c4162a157adbf834ebae5b415acbecbeafc7a74b0e886657506a7611"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -448,11 +448,11 @@ version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7277392b266383ef8396db7fdeb1e77b6c52fed775f5df15bb24f35b72156980"
 dependencies = [
- "curve25519-dalek 4.0.0",
+ "curve25519-dalek 4.1.1",
  "ed25519 2.2.2",
  "rand_core 0.6.4",
  "serde",
- "sha2 0.10.7",
+ "sha2 0.10.8",
  "zeroize",
 ]
 
@@ -481,11 +481,23 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
+[[package]]
+name = "escape-bytes"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bfcf67fea2815c2fc3b90873fae90957be12ff417335dfadc7f52927feb03b2"
+
 [[package]]
 name = "ethnum"
-version = "1.3.2"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0198b9d0078e0f30dedc7acbb21c974e838fc8fae3ee170128658a98cb2c1c04"
+checksum = "b90ca2580b73ab6a1f724b76ca11ab632df820fd6040c336200d2c1df7b3c82c"
 
 [[package]]
 name = "ff"
@@ -499,9 +511,9 @@ dependencies = [
 
 [[package]]
 name = "fiat-crypto"
-version = "0.1.20"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e825f6987101665dea6ec934c09ec6d721de7bc1bf92248e1d5810c8cd636b77"
+checksum = "27573eac26f4dd11e2b1916c3fe1baa56407c83c71a773a8ba17ec0bca03b6b7"
 
 [[package]]
 name = "fnv"
@@ -533,9 +545,9 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.10"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
+checksum = "fe9006bed769170c11f845cf00c7c1e9092aeb3f268e007c3e760ac68008070f"
 dependencies = [
  "cfg-if",
  "js-sys",
@@ -546,9 +558,9 @@ dependencies = [
 
 [[package]]
 name = "gimli"
-version = "0.27.2"
+version = "0.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad0a93d233ebf96623465aad4046a8d3aa4da22d4f4beba5388838c8a434bbb4"
+checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
 
 [[package]]
 name = "group"
@@ -567,6 +579,12 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "hashbrown"
+version = "0.14.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
+
 [[package]]
 name = "hex"
 version = "0.4.3"
@@ -576,6 +594,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "hex-literal"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fe2267d4ed49bc07b63801559be28c718ea06c4738b7a03c94df7386d2cde46"
+
 [[package]]
 name = "hmac"
 version = "0.12.1"
@@ -622,7 +646,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
 dependencies = [
  "autocfg",
- "hashbrown",
+ "hashbrown 0.12.3",
+ "serde",
+]
+
+[[package]]
+name = "indexmap"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d530e1a18b1cb4c484e6e34556a0d948706958449fca0cab753d649f2bce3d1f"
+dependencies = [
+ "equivalent",
+ "hashbrown 0.14.3",
  "serde",
 ]
 
@@ -634,9 +669,9 @@ checksum = "8e04e2fd2b8188ea827b32ef11de88377086d690286ab35747ef7f9bf3ccb590"
 
 [[package]]
 name = "itertools"
-version = "0.10.5"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+checksum = "b1c173a5686ce8bfa551b3563d0c2170bf24ca44da99c7ca4bfdab5418c3fe57"
 dependencies = [
  "either",
 ]
@@ -666,7 +701,7 @@ dependencies = [
  "ecdsa",
  "elliptic-curve",
  "once_cell",
- "sha2 0.10.7",
+ "sha2 0.10.8",
  "signature 2.1.0",
 ]
 
@@ -681,9 +716,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.147"
+version = "0.2.150"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
+checksum = "89d92a4743f9a61002fae18374ed11e7973f530cb3a3255fb354818118b2203c"
 
 [[package]]
 name = "libm"
@@ -717,9 +752,9 @@ checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
 name = "miniz_oxide"
-version = "0.6.2"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b275950c28b37e794e8c55d88aeb5e139d0ce23fdbbeda68f8d7174abdf9e8fa"
+checksum = "e7810e0be55b428ada41041c41f32c9f1a42817901b4ccf45fa3d4b6561e74c7"
 dependencies = [
  "adler",
 ]
@@ -737,13 +772,13 @@ dependencies = [
 
 [[package]]
 name = "num-derive"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e6a0fd4f737c707bd9086cc16c925f294943eb62eb71499e9fd4cf71f8b9f4e"
+checksum = "cfb77679af88f8b125209d354a202862602672222e7f2313fdd6dc349bad4712"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -758,18 +793,18 @@ dependencies = [
 
 [[package]]
 name = "num-traits"
-version = "0.2.15"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
+checksum = "39e3200413f237f41ab11ad6d161bc7239c84dcb631773ccd7de3dfe4b5c267c"
 dependencies = [
  "autocfg",
 ]
 
 [[package]]
 name = "object"
-version = "0.30.3"
+version = "0.32.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea86265d3d3dcb6a27fc51bd29a4bf387fae9d2986b823079d4986af253eb439"
+checksum = "9cf5f9dd3933bd50a9e1f149ec995f39ae2c496d31fd772c1fd45ebc27e902b0"
 dependencies = [
  "memchr",
 ]
@@ -821,23 +856,23 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1ceca8aaf45b5c46ec7ed39fff75f57290368c1846d33d24a122ca81416ab058"
 dependencies = [
  "proc-macro2",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.56"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b63bdb0cd06f1f4dedf69b254734f9b45af66e4a031e42a7480257d9898b435"
+checksum = "134c189feb4956b20f6f547d2cf727d4c0fe06722b20a0eec87ed445a97f92da"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.26"
+version = "1.0.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4424af4bf778aae2051a77b60283332f386554255d722233d09fbfc7e30da2fc"
+checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
 dependencies = [
  "proc-macro2",
 ]
@@ -901,7 +936,7 @@ version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
 dependencies = [
- "getrandom 0.2.10",
+ "getrandom 0.2.11",
 ]
 
 [[package]]
@@ -972,29 +1007,29 @@ checksum = "bebd363326d05ec3e2f532ab7660680f3b02130d780c299bca73469d521bc0ed"
 
 [[package]]
 name = "serde"
-version = "1.0.160"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb2f3770c8bce3bcda7e149193a069a0f4365bda1fa5cd88e03bca26afc1216c"
+checksum = "bca2a08484b285dcb282d0f67b26cadc0df8b19f8c12502c13d966bf9482f001"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.160"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "291a097c63d8497e00160b166a967a4a79c64f3facdd01cbd7502231688d77df"
+checksum = "d6c7207fbec9faa48073f3e3074cbe553af6ea512d7c21ba46e434e70ea9fbc1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.96"
+version = "1.0.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "057d394a50403bcac12672b2b18fb387ab6d289d957dab67dd201875391e52f1"
+checksum = "3d1c7e3eac408d115102c4c24ad393e0821bb3a5df4d506a80f85f7a742a526b"
 dependencies = [
  "itoa",
  "ryu",
@@ -1003,14 +1038,15 @@ dependencies = [
 
 [[package]]
 name = "serde_with"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f02d8aa6e3c385bf084924f660ce2a3a6bd333ba55b35e8590b321f35d88513"
+checksum = "64cd236ccc1b7a29e7e2739f27c0b2dd199804abc4290e32f59f3b68d6405c23"
 dependencies = [
  "base64 0.21.0",
  "chrono",
  "hex",
- "indexmap",
+ "indexmap 1.9.3",
+ "indexmap 2.1.0",
  "serde",
  "serde_json",
  "serde_with_macros",
@@ -1019,14 +1055,14 @@ dependencies = [
 
 [[package]]
 name = "serde_with_macros"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edc7d5d3932fb12ce722ee5e64dd38c504efba37567f0c402f6ca728c3b8b070"
+checksum = "93634eb5f75a2323b16de4748022ac4297f9e76b6dced2be287a099f41b5e788"
 dependencies = [
  "darling",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -1044,9 +1080,9 @@ dependencies = [
 
 [[package]]
 name = "sha2"
-version = "0.10.7"
+version = "0.10.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "479fb9d862239e610720565ca91403019f2f00410f1864c5aa7479b950a76ed8"
+checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -1085,11 +1121,23 @@ version = "1.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a507befe795404456341dfab10cef66ead4c041f62b8b11bbb92bffe5d0953e0"
 
+[[package]]
+name = "soroban-builtin-sdk-macros"
+version = "20.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b42487d6b0268748f753feeb579c6f7908dbb002faf20b703e6a7185b12f0527"
+dependencies = [
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.39",
+]
+
 [[package]]
 name = "soroban-env-common"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2508a41765935d3bef43b2264667c4603725cf7ddd851321f1dc2b3bca8bb88"
+checksum = "5bb493483fa3e3ebfb4c081472495d14b0abcfbe04ba142a56ff63056cc62700"
 dependencies = [
  "arbitrary",
  "crate-git-revision",
@@ -1105,9 +1153,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-guest"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b41f1b3ebb747487ff9920822112a5816030e053734ed63c05f1a7db476f2768"
+checksum = "3f31a738ef5faf4084c4b1824a8e3f93dfff0261a3909e86060f818e728479a3"
 dependencies = [
  "soroban-env-common",
  "static_assertions",
@@ -1115,23 +1163,26 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-host"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "347fc729270de2fc8e312ba1872ef90fdc8dfcd0dacdd07a3bb7a038c41ea6d6"
+checksum = "bdd1172a76c0bc2ce67ec7f28ca37dddbe9fefabe583f80434f5f60aaee3547e"
 dependencies = [
  "backtrace",
+ "curve25519-dalek 4.1.1",
  "ed25519-dalek 2.0.0",
- "getrandom 0.2.10",
+ "getrandom 0.2.11",
+ "hex-literal",
+ "hmac",
  "k256",
  "num-derive",
  "num-integer",
  "num-traits",
  "rand 0.8.5",
  "rand_chacha 0.3.1",
- "sha2 0.10.7",
+ "sha2 0.10.8",
  "sha3",
+ "soroban-builtin-sdk-macros",
  "soroban-env-common",
- "soroban-native-sdk-macros",
  "soroban-wasmi",
  "static_assertions",
  "stellar-strkey",
@@ -1139,9 +1190,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f16b7a75d77ae47143a07f92a35661c21e965f63bb4362d8491188a993687745"
+checksum = "5c0536648cea69ab3bae1801d35f92c0a31e7449cd2c7d14a18fb5e413f43279"
 dependencies = [
  "itertools",
  "proc-macro2",
@@ -1149,45 +1200,36 @@ dependencies = [
  "serde",
  "serde_json",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "soroban-ledger-snapshot"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d202c5870aeec1cb97bfd06a94b8fe691c513ba6da8638deb07d8660e90056ba"
+checksum = "37960eec21d7dc5dbd976fa16e38c056429663a89243798486b07afbb263c9b5"
 dependencies = [
  "serde",
  "serde_json",
+ "serde_with",
  "soroban-env-common",
  "soroban-env-host",
  "thiserror",
 ]
 
-[[package]]
-name = "soroban-native-sdk-macros"
-version = "20.0.0-rc2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe8cf96e5c9308347bc6fa0735d0591475a20b43ed00f96ad2df623bbe9c1e88"
-dependencies = [
- "itertools",
- "proc-macro2",
- "quote",
- "syn 2.0.15",
-]
-
 [[package]]
 name = "soroban-sdk"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d771d43a66ba0df14ff28ac1b37a6568da00afa12f28273a67fe92853ab28f8"
+checksum = "f08e1fdb18dbee88160ea6640962faf021a49f22eb1bd212c4d8b0cef32c582c"
 dependencies = [
  "arbitrary",
  "bytes-lit",
  "ctor",
  "ed25519-dalek 2.0.0",
  "rand 0.8.5",
+ "serde",
+ "serde_json",
  "soroban-env-guest",
  "soroban-env-host",
  "soroban-ledger-snapshot",
@@ -1197,9 +1239,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-sdk-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf5a6dd2e08217fdd75f3f849256dda2614badda9095df233a47c7c8f9783493"
+checksum = "6c5cae44f304f2fd32f9cfa9a31a9b58eb1c10aa07a7d5b591921cf7fa649e44"
 dependencies = [
  "crate-git-revision",
  "darling",
@@ -1207,12 +1249,12 @@ dependencies = [
  "proc-macro2",
  "quote",
  "rustc_version",
- "sha2 0.10.7",
+ "sha2 0.10.8",
  "soroban-env-common",
  "soroban-spec",
  "soroban-spec-rust",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -1226,9 +1268,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-spec"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e2a55aab81d7cd1df66f85de3d815fb08fc5fa412270dc374e031e27528c711"
+checksum = "7539cfa0abe36f3d33c49fe1253f6b652c91c9a9841fe83dedc1799b7f4bb55f"
 dependencies = [
  "base64 0.13.1",
  "stellar-xdr",
@@ -1238,25 +1280,25 @@ dependencies = [
 
 [[package]]
 name = "soroban-spec-rust"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1bcfa549d3362e6eafa3a51ad29d571f3dbae2cb9fe33d9f94c00a9f742f71df"
+checksum = "eb6189ef3ede0061db14b0cf9fa2692a2cb6c6e8d941689f0c9ca82b68c47ab2"
 dependencies = [
  "prettyplease",
  "proc-macro2",
  "quote",
- "sha2 0.10.7",
+ "sha2 0.10.8",
  "soroban-spec",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
  "thiserror",
 ]
 
 [[package]]
 name = "soroban-wasmi"
-version = "0.31.0-soroban1"
+version = "0.31.1-soroban.20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b6e3e79c1f227ec98ea1e8fbf43d0267b9ca748616c9c8c0162fa2a8ca4d5d2"
+checksum = "c1aaa682a67cbd2173f1d60cb1e7b951d490d7c4e0b7b6f5387cbb952e963c46"
 dependencies = [
  "smallvec",
  "spin",
@@ -1289,26 +1331,29 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "stellar-strkey"
-version = "0.0.7"
+version = "0.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c0689070126ca7f2effc2c5726584446db52190f0cef043c02eb4040a711c11"
+checksum = "12d2bf45e114117ea91d820a846fd1afbe3ba7d717988fee094ce8227a3bf8bd"
 dependencies = [
  "base32",
+ "crate-git-revision",
  "thiserror",
 ]
 
 [[package]]
 name = "stellar-xdr"
-version = "20.0.0-rc1"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e09a3734914a7427dbcd4f06b6dcd2b1cf38e934202f6abe4d73658f718b6113"
+checksum = "9595b775539e475da4179fa46212b11e4575f526d57b13308989a8c1dd59238c"
 dependencies = [
  "arbitrary",
  "base64 0.13.1",
  "crate-git-revision",
+ "escape-bytes",
  "hex",
  "serde",
  "serde_with",
+ "stellar-strkey",
 ]
 
 [[package]]
@@ -1336,9 +1381,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.15"
+version = "2.0.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a34fcf3e8b60f57e6a14301a2e916d323af98b0ea63c599441eec8558660c822"
+checksum = "23e78b90f2fcf45d3e842032ce32e3f2d1545ba6636271dcbf24fa306d87be7a"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1371,7 +1416,7 @@ checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -1515,7 +1560,7 @@ version = "0.88.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb8cf7dd82407fe68161bedcd57fde15596f32ebf6e9b3bdbf3ae1da20e38e5e"
 dependencies = [
- "indexmap",
+ "indexmap 1.9.3",
 ]
 
 [[package]]
@@ -1641,5 +1686,5 @@ checksum = "ce36e65b0d2999d2aafac989fb249189a141aee1f53c612c1f37d72631959f69"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
diff --git a/simple_account/Cargo.toml b/simple_account/Cargo.toml
index e8a84cad..5b4631a0 100644
--- a/simple_account/Cargo.toml
+++ b/simple_account/Cargo.toml
@@ -11,10 +11,10 @@ crate-type = ["cdylib"]
 doctest = false
 
 [dependencies]
-soroban-sdk = { version = "20.0.0-rc2" }
+soroban-sdk = { version = "20.0.0" }
 
 [dev_dependencies]
-soroban-sdk = { version = "20.0.0-rc2", features = ["testutils"] }
+soroban-sdk = { version = "20.0.0", features = ["testutils"] }
 ed25519-dalek = { version = "1.0.1" }
 rand = { version = "0.7.3" }
 
diff --git a/simple_account/src/lib.rs b/simple_account/src/lib.rs
index efe5880a..ee4819d2 100644
--- a/simple_account/src/lib.rs
+++ b/simple_account/src/lib.rs
@@ -49,22 +49,16 @@ impl SimpleAccount {
     pub fn __check_auth(
         env: Env,
         signature_payload: BytesN<32>,
-        signature_args: Vec<BytesN<64>>,
+        signature: BytesN<64>,
         _auth_context: Vec<Context>,
     ) {
-        if signature_args.len() != 1 {
-            panic!("incorrect number of signature args");
-        }
         let public_key: BytesN<32> = env
             .storage()
             .instance()
             .get::<_, BytesN<32>>(&DataKey::Owner)
             .unwrap();
-        env.crypto().ed25519_verify(
-            &public_key,
-            &signature_payload.into(),
-            &signature_args.get(0).unwrap(),
-        );
+        env.crypto()
+            .ed25519_verify(&public_key, &signature_payload.into(), &signature);
     }
 }
 
diff --git a/simple_account/src/test.rs b/simple_account/src/test.rs
index ff780423..5a856c38 100644
--- a/simple_account/src/test.rs
+++ b/simple_account/src/test.rs
@@ -6,10 +6,7 @@ use ed25519_dalek::Signer;
 use rand::thread_rng;
 use soroban_sdk::Error;
 use soroban_sdk::Val;
-use soroban_sdk::{
-    testutils::{Address as _, BytesN as _},
-    vec, BytesN, Env, IntoVal,
-};
+use soroban_sdk::{testutils::BytesN as _, vec, BytesN, Env, IntoVal};
 
 use crate::SimpleAccount;
 use crate::SimpleAccountClient;
@@ -44,9 +41,9 @@ fn test_account() {
     // `try_invoke_contract_check_auth` testing utility that emulates being
     // called by the Soroban host during a `require_auth` call.
     env.try_invoke_contract_check_auth::<Error>(
-        &account_contract.address.contract_id(),
+        &account_contract.address,
         &payload,
-        &vec![&env, sign(&env, &signer, &payload)],
+        sign(&env, &signer, &payload),
         &vec![&env],
     )
     // Unwrap the result to make sure there is no error.
@@ -56,9 +53,9 @@ fn test_account() {
     // result in an error as this is not a valid signature.
     assert!(env
         .try_invoke_contract_check_auth::<Error>(
-            &account_contract.address.contract_id(),
+            &account_contract.address,
             &payload,
-            &vec![&env, BytesN::<64>::random(&env).into()],
+            BytesN::<64>::random(&env).into(),
             &vec![&env],
         )
         .is_err());
diff --git a/single_offer/Cargo.lock b/single_offer/Cargo.lock
index 72d603f8..981c2694 100644
--- a/single_offer/Cargo.lock
+++ b/single_offer/Cargo.lock
@@ -4,9 +4,9 @@ version = 3
 
 [[package]]
 name = "addr2line"
-version = "0.19.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a76fd60b23679b7d19bd066031410fb7e458ccc5e958eb5c325888ce4baedc97"
+checksum = "8a30b2e23b9e17a9f90641c7ab1549cd9b44f296d3ccbf309d2863cfe398a0cb"
 dependencies = [
  "gimli",
 ]
@@ -28,9 +28,9 @@ dependencies = [
 
 [[package]]
 name = "arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2d098ff73c1ca148721f37baad5ea6a465a13f9573aba8641fbbbae8164a54e"
+checksum = "7d5a26814d8dcb93b0e5a0ff3c6d80a8843bafb21b39e8e18a6f05471870e110"
 dependencies = [
  "derive_arbitrary",
 ]
@@ -43,9 +43,9 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "backtrace"
-version = "0.3.67"
+version = "0.3.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "233d376d6d185f2a3093e58f283f60f880315b6c60075b01f36b3b85154564ca"
+checksum = "2089b7e3f35b9dd2d0ed921ead4f6d318c27680d4a5bd167b3ee120edb105837"
 dependencies = [
  "addr2line",
  "cc",
@@ -110,7 +110,7 @@ dependencies = [
  "num-bigint",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -209,14 +209,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1586fa608b1dab41f667475b4a41faec5ba680aee428bfa5de4ea520fdc6e901"
 dependencies = [
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "curve25519-dalek"
-version = "4.0.0"
+version = "4.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f711ade317dd348950a9910f81c5947e3d8907ebd2b83f76203ff1807e6a2bc2"
+checksum = "e89b8c6a2e4b1f45971ad09761aafb85514a84744b67a95e32c3cc1352d1f65c"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -237,7 +237,7 @@ checksum = "83fdaf97f4804dcebfa5862639bc9ce4121e82140bec2a987ac5140294865b5b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -264,7 +264,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "scratch",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -281,7 +281,7 @@ checksum = "2345488264226bf682893e25de0769f3360aac9957980ec49361b083ddaa5bc5"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -305,7 +305,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "strsim",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -316,7 +316,7 @@ checksum = "29a358ff9f12ec09c3e61fef9b5a9902623a695a46a917b07f269bff1445611a"
 dependencies = [
  "darling_core",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -331,13 +331,13 @@ dependencies = [
 
 [[package]]
 name = "derive_arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3cdeb9ec472d588e539a818b2dee436825730da08ad0017c4b1a17676bdc8b7"
+checksum = "67e77553c4162a157adbf834ebae5b415acbecbeafc7a74b0e886657506a7611"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -421,11 +421,23 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
+[[package]]
+name = "escape-bytes"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bfcf67fea2815c2fc3b90873fae90957be12ff417335dfadc7f52927feb03b2"
+
 [[package]]
 name = "ethnum"
-version = "1.3.2"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0198b9d0078e0f30dedc7acbb21c974e838fc8fae3ee170128658a98cb2c1c04"
+checksum = "b90ca2580b73ab6a1f724b76ca11ab632df820fd6040c336200d2c1df7b3c82c"
 
 [[package]]
 name = "ff"
@@ -439,9 +451,9 @@ dependencies = [
 
 [[package]]
 name = "fiat-crypto"
-version = "0.1.20"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e825f6987101665dea6ec934c09ec6d721de7bc1bf92248e1d5810c8cd636b77"
+checksum = "27573eac26f4dd11e2b1916c3fe1baa56407c83c71a773a8ba17ec0bca03b6b7"
 
 [[package]]
 name = "fnv"
@@ -462,9 +474,9 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.10"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
+checksum = "fe9006bed769170c11f845cf00c7c1e9092aeb3f268e007c3e760ac68008070f"
 dependencies = [
  "cfg-if",
  "js-sys",
@@ -475,9 +487,9 @@ dependencies = [
 
 [[package]]
 name = "gimli"
-version = "0.27.2"
+version = "0.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad0a93d233ebf96623465aad4046a8d3aa4da22d4f4beba5388838c8a434bbb4"
+checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
 
 [[package]]
 name = "group"
@@ -496,6 +508,12 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "hashbrown"
+version = "0.14.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
+
 [[package]]
 name = "hex"
 version = "0.4.3"
@@ -505,6 +523,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "hex-literal"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fe2267d4ed49bc07b63801559be28c718ea06c4738b7a03c94df7386d2cde46"
+
 [[package]]
 name = "hmac"
 version = "0.12.1"
@@ -551,7 +575,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
 dependencies = [
  "autocfg",
- "hashbrown",
+ "hashbrown 0.12.3",
+ "serde",
+]
+
+[[package]]
+name = "indexmap"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d530e1a18b1cb4c484e6e34556a0d948706958449fca0cab753d649f2bce3d1f"
+dependencies = [
+ "equivalent",
+ "hashbrown 0.14.3",
  "serde",
 ]
 
@@ -563,9 +598,9 @@ checksum = "8e04e2fd2b8188ea827b32ef11de88377086d690286ab35747ef7f9bf3ccb590"
 
 [[package]]
 name = "itertools"
-version = "0.10.5"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+checksum = "b1c173a5686ce8bfa551b3563d0c2170bf24ca44da99c7ca4bfdab5418c3fe57"
 dependencies = [
  "either",
 ]
@@ -610,9 +645,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.147"
+version = "0.2.150"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
+checksum = "89d92a4743f9a61002fae18374ed11e7973f530cb3a3255fb354818118b2203c"
 
 [[package]]
 name = "libm"
@@ -646,9 +681,9 @@ checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
 name = "miniz_oxide"
-version = "0.6.2"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b275950c28b37e794e8c55d88aeb5e139d0ce23fdbbeda68f8d7174abdf9e8fa"
+checksum = "e7810e0be55b428ada41041c41f32c9f1a42817901b4ccf45fa3d4b6561e74c7"
 dependencies = [
  "adler",
 ]
@@ -666,13 +701,13 @@ dependencies = [
 
 [[package]]
 name = "num-derive"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e6a0fd4f737c707bd9086cc16c925f294943eb62eb71499e9fd4cf71f8b9f4e"
+checksum = "cfb77679af88f8b125209d354a202862602672222e7f2313fdd6dc349bad4712"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -687,18 +722,18 @@ dependencies = [
 
 [[package]]
 name = "num-traits"
-version = "0.2.15"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
+checksum = "39e3200413f237f41ab11ad6d161bc7239c84dcb631773ccd7de3dfe4b5c267c"
 dependencies = [
  "autocfg",
 ]
 
 [[package]]
 name = "object"
-version = "0.30.3"
+version = "0.32.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea86265d3d3dcb6a27fc51bd29a4bf387fae9d2986b823079d4986af253eb439"
+checksum = "9cf5f9dd3933bd50a9e1f149ec995f39ae2c496d31fd772c1fd45ebc27e902b0"
 dependencies = [
  "memchr",
 ]
@@ -744,23 +779,23 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1ceca8aaf45b5c46ec7ed39fff75f57290368c1846d33d24a122ca81416ab058"
 dependencies = [
  "proc-macro2",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.56"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b63bdb0cd06f1f4dedf69b254734f9b45af66e4a031e42a7480257d9898b435"
+checksum = "134c189feb4956b20f6f547d2cf727d4c0fe06722b20a0eec87ed445a97f92da"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.26"
+version = "1.0.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4424af4bf778aae2051a77b60283332f386554255d722233d09fbfc7e30da2fc"
+checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
 dependencies = [
  "proc-macro2",
 ]
@@ -854,29 +889,29 @@ checksum = "bebd363326d05ec3e2f532ab7660680f3b02130d780c299bca73469d521bc0ed"
 
 [[package]]
 name = "serde"
-version = "1.0.160"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb2f3770c8bce3bcda7e149193a069a0f4365bda1fa5cd88e03bca26afc1216c"
+checksum = "bca2a08484b285dcb282d0f67b26cadc0df8b19f8c12502c13d966bf9482f001"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.160"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "291a097c63d8497e00160b166a967a4a79c64f3facdd01cbd7502231688d77df"
+checksum = "d6c7207fbec9faa48073f3e3074cbe553af6ea512d7c21ba46e434e70ea9fbc1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.96"
+version = "1.0.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "057d394a50403bcac12672b2b18fb387ab6d289d957dab67dd201875391e52f1"
+checksum = "3d1c7e3eac408d115102c4c24ad393e0821bb3a5df4d506a80f85f7a742a526b"
 dependencies = [
  "itoa",
  "ryu",
@@ -885,14 +920,15 @@ dependencies = [
 
 [[package]]
 name = "serde_with"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f02d8aa6e3c385bf084924f660ce2a3a6bd333ba55b35e8590b321f35d88513"
+checksum = "64cd236ccc1b7a29e7e2739f27c0b2dd199804abc4290e32f59f3b68d6405c23"
 dependencies = [
  "base64 0.21.0",
  "chrono",
  "hex",
- "indexmap",
+ "indexmap 1.9.3",
+ "indexmap 2.1.0",
  "serde",
  "serde_json",
  "serde_with_macros",
@@ -901,21 +937,21 @@ dependencies = [
 
 [[package]]
 name = "serde_with_macros"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edc7d5d3932fb12ce722ee5e64dd38c504efba37567f0c402f6ca728c3b8b070"
+checksum = "93634eb5f75a2323b16de4748022ac4297f9e76b6dced2be287a099f41b5e788"
 dependencies = [
  "darling",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "sha2"
-version = "0.10.7"
+version = "0.10.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "479fb9d862239e610720565ca91403019f2f00410f1864c5aa7479b950a76ed8"
+checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -948,11 +984,23 @@ version = "1.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a507befe795404456341dfab10cef66ead4c041f62b8b11bbb92bffe5d0953e0"
 
+[[package]]
+name = "soroban-builtin-sdk-macros"
+version = "20.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b42487d6b0268748f753feeb579c6f7908dbb002faf20b703e6a7185b12f0527"
+dependencies = [
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.39",
+]
+
 [[package]]
 name = "soroban-env-common"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2508a41765935d3bef43b2264667c4603725cf7ddd851321f1dc2b3bca8bb88"
+checksum = "5bb493483fa3e3ebfb4c081472495d14b0abcfbe04ba142a56ff63056cc62700"
 dependencies = [
  "arbitrary",
  "crate-git-revision",
@@ -968,9 +1016,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-guest"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b41f1b3ebb747487ff9920822112a5816030e053734ed63c05f1a7db476f2768"
+checksum = "3f31a738ef5faf4084c4b1824a8e3f93dfff0261a3909e86060f818e728479a3"
 dependencies = [
  "soroban-env-common",
  "static_assertions",
@@ -978,13 +1026,16 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-host"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "347fc729270de2fc8e312ba1872ef90fdc8dfcd0dacdd07a3bb7a038c41ea6d6"
+checksum = "bdd1172a76c0bc2ce67ec7f28ca37dddbe9fefabe583f80434f5f60aaee3547e"
 dependencies = [
  "backtrace",
+ "curve25519-dalek",
  "ed25519-dalek",
  "getrandom",
+ "hex-literal",
+ "hmac",
  "k256",
  "num-derive",
  "num-integer",
@@ -993,8 +1044,8 @@ dependencies = [
  "rand_chacha",
  "sha2",
  "sha3",
+ "soroban-builtin-sdk-macros",
  "soroban-env-common",
- "soroban-native-sdk-macros",
  "soroban-wasmi",
  "static_assertions",
  "stellar-strkey",
@@ -1002,9 +1053,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f16b7a75d77ae47143a07f92a35661c21e965f63bb4362d8491188a993687745"
+checksum = "5c0536648cea69ab3bae1801d35f92c0a31e7449cd2c7d14a18fb5e413f43279"
 dependencies = [
  "itertools",
  "proc-macro2",
@@ -1012,45 +1063,36 @@ dependencies = [
  "serde",
  "serde_json",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "soroban-ledger-snapshot"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d202c5870aeec1cb97bfd06a94b8fe691c513ba6da8638deb07d8660e90056ba"
+checksum = "37960eec21d7dc5dbd976fa16e38c056429663a89243798486b07afbb263c9b5"
 dependencies = [
  "serde",
  "serde_json",
+ "serde_with",
  "soroban-env-common",
  "soroban-env-host",
  "thiserror",
 ]
 
-[[package]]
-name = "soroban-native-sdk-macros"
-version = "20.0.0-rc2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe8cf96e5c9308347bc6fa0735d0591475a20b43ed00f96ad2df623bbe9c1e88"
-dependencies = [
- "itertools",
- "proc-macro2",
- "quote",
- "syn 2.0.15",
-]
-
 [[package]]
 name = "soroban-sdk"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d771d43a66ba0df14ff28ac1b37a6568da00afa12f28273a67fe92853ab28f8"
+checksum = "f08e1fdb18dbee88160ea6640962faf021a49f22eb1bd212c4d8b0cef32c582c"
 dependencies = [
  "arbitrary",
  "bytes-lit",
  "ctor",
  "ed25519-dalek",
  "rand",
+ "serde",
+ "serde_json",
  "soroban-env-guest",
  "soroban-env-host",
  "soroban-ledger-snapshot",
@@ -1060,9 +1102,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-sdk-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf5a6dd2e08217fdd75f3f849256dda2614badda9095df233a47c7c8f9783493"
+checksum = "6c5cae44f304f2fd32f9cfa9a31a9b58eb1c10aa07a7d5b591921cf7fa649e44"
 dependencies = [
  "crate-git-revision",
  "darling",
@@ -1075,7 +1117,7 @@ dependencies = [
  "soroban-spec",
  "soroban-spec-rust",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -1087,9 +1129,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-spec"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e2a55aab81d7cd1df66f85de3d815fb08fc5fa412270dc374e031e27528c711"
+checksum = "7539cfa0abe36f3d33c49fe1253f6b652c91c9a9841fe83dedc1799b7f4bb55f"
 dependencies = [
  "base64 0.13.1",
  "stellar-xdr",
@@ -1099,9 +1141,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-spec-rust"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1bcfa549d3362e6eafa3a51ad29d571f3dbae2cb9fe33d9f94c00a9f742f71df"
+checksum = "eb6189ef3ede0061db14b0cf9fa2692a2cb6c6e8d941689f0c9ca82b68c47ab2"
 dependencies = [
  "prettyplease",
  "proc-macro2",
@@ -1109,15 +1151,15 @@ dependencies = [
  "sha2",
  "soroban-spec",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
  "thiserror",
 ]
 
 [[package]]
 name = "soroban-wasmi"
-version = "0.31.0-soroban1"
+version = "0.31.1-soroban.20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b6e3e79c1f227ec98ea1e8fbf43d0267b9ca748616c9c8c0162fa2a8ca4d5d2"
+checksum = "c1aaa682a67cbd2173f1d60cb1e7b951d490d7c4e0b7b6f5387cbb952e963c46"
 dependencies = [
  "smallvec",
  "spin",
@@ -1150,26 +1192,29 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "stellar-strkey"
-version = "0.0.7"
+version = "0.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c0689070126ca7f2effc2c5726584446db52190f0cef043c02eb4040a711c11"
+checksum = "12d2bf45e114117ea91d820a846fd1afbe3ba7d717988fee094ce8227a3bf8bd"
 dependencies = [
  "base32",
+ "crate-git-revision",
  "thiserror",
 ]
 
 [[package]]
 name = "stellar-xdr"
-version = "20.0.0-rc1"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e09a3734914a7427dbcd4f06b6dcd2b1cf38e934202f6abe4d73658f718b6113"
+checksum = "9595b775539e475da4179fa46212b11e4575f526d57b13308989a8c1dd59238c"
 dependencies = [
  "arbitrary",
  "base64 0.13.1",
  "crate-git-revision",
+ "escape-bytes",
  "hex",
  "serde",
  "serde_with",
+ "stellar-strkey",
 ]
 
 [[package]]
@@ -1197,9 +1242,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.15"
+version = "2.0.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a34fcf3e8b60f57e6a14301a2e916d323af98b0ea63c599441eec8558660c822"
+checksum = "23e78b90f2fcf45d3e842032ce32e3f2d1545ba6636271dcbf24fa306d87be7a"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1232,7 +1277,7 @@ checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -1370,7 +1415,7 @@ version = "0.88.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb8cf7dd82407fe68161bedcd57fde15596f32ebf6e9b3bdbf3ae1da20e38e5e"
 dependencies = [
- "indexmap",
+ "indexmap 1.9.3",
 ]
 
 [[package]]
diff --git a/single_offer/Cargo.toml b/single_offer/Cargo.toml
index 7683de37..8b664a01 100644
--- a/single_offer/Cargo.toml
+++ b/single_offer/Cargo.toml
@@ -8,10 +8,10 @@ publish = false
 crate-type = ["cdylib"]
 
 [dependencies]
-soroban-sdk = { version = "20.0.0-rc2" }
+soroban-sdk = { version = "20.0.0" }
 
 [dev_dependencies]
-soroban-sdk = { version = "20.0.0-rc2", features = ["testutils"] }
+soroban-sdk = { version = "20.0.0", features = ["testutils"] }
 
 [profile.release]
 opt-level = "z"
diff --git a/single_offer/src/test.rs b/single_offer/src/test.rs
index 45a27343..f123c694 100644
--- a/single_offer/src/test.rs
+++ b/single_offer/src/test.rs
@@ -61,9 +61,9 @@ fn test() {
     let e = Env::default();
     e.mock_all_auths();
 
-    let token_admin = Address::random(&e);
-    let seller = Address::random(&e);
-    let buyer = Address::random(&e);
+    let token_admin = Address::generate(&e);
+    let seller = Address::generate(&e);
+    let buyer = Address::generate(&e);
 
     let sell_token = create_token_contract(&e, &token_admin);
     let sell_token_client = sell_token.0;
diff --git a/timelock/Cargo.lock b/timelock/Cargo.lock
index 17024e76..a99574c9 100644
--- a/timelock/Cargo.lock
+++ b/timelock/Cargo.lock
@@ -4,9 +4,9 @@ version = 3
 
 [[package]]
 name = "addr2line"
-version = "0.19.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a76fd60b23679b7d19bd066031410fb7e458ccc5e958eb5c325888ce4baedc97"
+checksum = "8a30b2e23b9e17a9f90641c7ab1549cd9b44f296d3ccbf309d2863cfe398a0cb"
 dependencies = [
  "gimli",
 ]
@@ -28,9 +28,9 @@ dependencies = [
 
 [[package]]
 name = "arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2d098ff73c1ca148721f37baad5ea6a465a13f9573aba8641fbbbae8164a54e"
+checksum = "7d5a26814d8dcb93b0e5a0ff3c6d80a8843bafb21b39e8e18a6f05471870e110"
 dependencies = [
  "derive_arbitrary",
 ]
@@ -43,9 +43,9 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "backtrace"
-version = "0.3.67"
+version = "0.3.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "233d376d6d185f2a3093e58f283f60f880315b6c60075b01f36b3b85154564ca"
+checksum = "2089b7e3f35b9dd2d0ed921ead4f6d318c27680d4a5bd167b3ee120edb105837"
 dependencies = [
  "addr2line",
  "cc",
@@ -110,7 +110,7 @@ dependencies = [
  "num-bigint",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -209,14 +209,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1586fa608b1dab41f667475b4a41faec5ba680aee428bfa5de4ea520fdc6e901"
 dependencies = [
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "curve25519-dalek"
-version = "4.0.0"
+version = "4.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f711ade317dd348950a9910f81c5947e3d8907ebd2b83f76203ff1807e6a2bc2"
+checksum = "e89b8c6a2e4b1f45971ad09761aafb85514a84744b67a95e32c3cc1352d1f65c"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -237,7 +237,7 @@ checksum = "83fdaf97f4804dcebfa5862639bc9ce4121e82140bec2a987ac5140294865b5b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -264,7 +264,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "scratch",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -281,7 +281,7 @@ checksum = "2345488264226bf682893e25de0769f3360aac9957980ec49361b083ddaa5bc5"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -305,7 +305,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "strsim",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -316,7 +316,7 @@ checksum = "29a358ff9f12ec09c3e61fef9b5a9902623a695a46a917b07f269bff1445611a"
 dependencies = [
  "darling_core",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -331,13 +331,13 @@ dependencies = [
 
 [[package]]
 name = "derive_arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3cdeb9ec472d588e539a818b2dee436825730da08ad0017c4b1a17676bdc8b7"
+checksum = "67e77553c4162a157adbf834ebae5b415acbecbeafc7a74b0e886657506a7611"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -421,11 +421,23 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
+[[package]]
+name = "escape-bytes"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bfcf67fea2815c2fc3b90873fae90957be12ff417335dfadc7f52927feb03b2"
+
 [[package]]
 name = "ethnum"
-version = "1.3.2"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0198b9d0078e0f30dedc7acbb21c974e838fc8fae3ee170128658a98cb2c1c04"
+checksum = "b90ca2580b73ab6a1f724b76ca11ab632df820fd6040c336200d2c1df7b3c82c"
 
 [[package]]
 name = "ff"
@@ -439,9 +451,9 @@ dependencies = [
 
 [[package]]
 name = "fiat-crypto"
-version = "0.1.20"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e825f6987101665dea6ec934c09ec6d721de7bc1bf92248e1d5810c8cd636b77"
+checksum = "27573eac26f4dd11e2b1916c3fe1baa56407c83c71a773a8ba17ec0bca03b6b7"
 
 [[package]]
 name = "fnv"
@@ -462,9 +474,9 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.10"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
+checksum = "fe9006bed769170c11f845cf00c7c1e9092aeb3f268e007c3e760ac68008070f"
 dependencies = [
  "cfg-if",
  "js-sys",
@@ -475,9 +487,9 @@ dependencies = [
 
 [[package]]
 name = "gimli"
-version = "0.27.2"
+version = "0.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad0a93d233ebf96623465aad4046a8d3aa4da22d4f4beba5388838c8a434bbb4"
+checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
 
 [[package]]
 name = "group"
@@ -496,6 +508,12 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "hashbrown"
+version = "0.14.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
+
 [[package]]
 name = "hex"
 version = "0.4.3"
@@ -505,6 +523,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "hex-literal"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fe2267d4ed49bc07b63801559be28c718ea06c4738b7a03c94df7386d2cde46"
+
 [[package]]
 name = "hmac"
 version = "0.12.1"
@@ -551,7 +575,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
 dependencies = [
  "autocfg",
- "hashbrown",
+ "hashbrown 0.12.3",
+ "serde",
+]
+
+[[package]]
+name = "indexmap"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d530e1a18b1cb4c484e6e34556a0d948706958449fca0cab753d649f2bce3d1f"
+dependencies = [
+ "equivalent",
+ "hashbrown 0.14.3",
  "serde",
 ]
 
@@ -563,9 +598,9 @@ checksum = "8e04e2fd2b8188ea827b32ef11de88377086d690286ab35747ef7f9bf3ccb590"
 
 [[package]]
 name = "itertools"
-version = "0.10.5"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+checksum = "b1c173a5686ce8bfa551b3563d0c2170bf24ca44da99c7ca4bfdab5418c3fe57"
 dependencies = [
  "either",
 ]
@@ -610,9 +645,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.147"
+version = "0.2.150"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
+checksum = "89d92a4743f9a61002fae18374ed11e7973f530cb3a3255fb354818118b2203c"
 
 [[package]]
 name = "libm"
@@ -646,9 +681,9 @@ checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
 name = "miniz_oxide"
-version = "0.6.2"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b275950c28b37e794e8c55d88aeb5e139d0ce23fdbbeda68f8d7174abdf9e8fa"
+checksum = "e7810e0be55b428ada41041c41f32c9f1a42817901b4ccf45fa3d4b6561e74c7"
 dependencies = [
  "adler",
 ]
@@ -666,13 +701,13 @@ dependencies = [
 
 [[package]]
 name = "num-derive"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e6a0fd4f737c707bd9086cc16c925f294943eb62eb71499e9fd4cf71f8b9f4e"
+checksum = "cfb77679af88f8b125209d354a202862602672222e7f2313fdd6dc349bad4712"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -687,18 +722,18 @@ dependencies = [
 
 [[package]]
 name = "num-traits"
-version = "0.2.15"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
+checksum = "39e3200413f237f41ab11ad6d161bc7239c84dcb631773ccd7de3dfe4b5c267c"
 dependencies = [
  "autocfg",
 ]
 
 [[package]]
 name = "object"
-version = "0.30.3"
+version = "0.32.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea86265d3d3dcb6a27fc51bd29a4bf387fae9d2986b823079d4986af253eb439"
+checksum = "9cf5f9dd3933bd50a9e1f149ec995f39ae2c496d31fd772c1fd45ebc27e902b0"
 dependencies = [
  "memchr",
 ]
@@ -744,23 +779,23 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1ceca8aaf45b5c46ec7ed39fff75f57290368c1846d33d24a122ca81416ab058"
 dependencies = [
  "proc-macro2",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.56"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b63bdb0cd06f1f4dedf69b254734f9b45af66e4a031e42a7480257d9898b435"
+checksum = "134c189feb4956b20f6f547d2cf727d4c0fe06722b20a0eec87ed445a97f92da"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.26"
+version = "1.0.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4424af4bf778aae2051a77b60283332f386554255d722233d09fbfc7e30da2fc"
+checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
 dependencies = [
  "proc-macro2",
 ]
@@ -854,29 +889,29 @@ checksum = "bebd363326d05ec3e2f532ab7660680f3b02130d780c299bca73469d521bc0ed"
 
 [[package]]
 name = "serde"
-version = "1.0.160"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb2f3770c8bce3bcda7e149193a069a0f4365bda1fa5cd88e03bca26afc1216c"
+checksum = "bca2a08484b285dcb282d0f67b26cadc0df8b19f8c12502c13d966bf9482f001"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.160"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "291a097c63d8497e00160b166a967a4a79c64f3facdd01cbd7502231688d77df"
+checksum = "d6c7207fbec9faa48073f3e3074cbe553af6ea512d7c21ba46e434e70ea9fbc1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.96"
+version = "1.0.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "057d394a50403bcac12672b2b18fb387ab6d289d957dab67dd201875391e52f1"
+checksum = "3d1c7e3eac408d115102c4c24ad393e0821bb3a5df4d506a80f85f7a742a526b"
 dependencies = [
  "itoa",
  "ryu",
@@ -885,14 +920,15 @@ dependencies = [
 
 [[package]]
 name = "serde_with"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f02d8aa6e3c385bf084924f660ce2a3a6bd333ba55b35e8590b321f35d88513"
+checksum = "64cd236ccc1b7a29e7e2739f27c0b2dd199804abc4290e32f59f3b68d6405c23"
 dependencies = [
  "base64 0.21.0",
  "chrono",
  "hex",
- "indexmap",
+ "indexmap 1.9.3",
+ "indexmap 2.1.0",
  "serde",
  "serde_json",
  "serde_with_macros",
@@ -901,21 +937,21 @@ dependencies = [
 
 [[package]]
 name = "serde_with_macros"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edc7d5d3932fb12ce722ee5e64dd38c504efba37567f0c402f6ca728c3b8b070"
+checksum = "93634eb5f75a2323b16de4748022ac4297f9e76b6dced2be287a099f41b5e788"
 dependencies = [
  "darling",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "sha2"
-version = "0.10.7"
+version = "0.10.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "479fb9d862239e610720565ca91403019f2f00410f1864c5aa7479b950a76ed8"
+checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -948,11 +984,23 @@ version = "1.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a507befe795404456341dfab10cef66ead4c041f62b8b11bbb92bffe5d0953e0"
 
+[[package]]
+name = "soroban-builtin-sdk-macros"
+version = "20.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b42487d6b0268748f753feeb579c6f7908dbb002faf20b703e6a7185b12f0527"
+dependencies = [
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.39",
+]
+
 [[package]]
 name = "soroban-env-common"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2508a41765935d3bef43b2264667c4603725cf7ddd851321f1dc2b3bca8bb88"
+checksum = "5bb493483fa3e3ebfb4c081472495d14b0abcfbe04ba142a56ff63056cc62700"
 dependencies = [
  "arbitrary",
  "crate-git-revision",
@@ -968,9 +1016,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-guest"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b41f1b3ebb747487ff9920822112a5816030e053734ed63c05f1a7db476f2768"
+checksum = "3f31a738ef5faf4084c4b1824a8e3f93dfff0261a3909e86060f818e728479a3"
 dependencies = [
  "soroban-env-common",
  "static_assertions",
@@ -978,13 +1026,16 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-host"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "347fc729270de2fc8e312ba1872ef90fdc8dfcd0dacdd07a3bb7a038c41ea6d6"
+checksum = "bdd1172a76c0bc2ce67ec7f28ca37dddbe9fefabe583f80434f5f60aaee3547e"
 dependencies = [
  "backtrace",
+ "curve25519-dalek",
  "ed25519-dalek",
  "getrandom",
+ "hex-literal",
+ "hmac",
  "k256",
  "num-derive",
  "num-integer",
@@ -993,8 +1044,8 @@ dependencies = [
  "rand_chacha",
  "sha2",
  "sha3",
+ "soroban-builtin-sdk-macros",
  "soroban-env-common",
- "soroban-native-sdk-macros",
  "soroban-wasmi",
  "static_assertions",
  "stellar-strkey",
@@ -1002,9 +1053,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f16b7a75d77ae47143a07f92a35661c21e965f63bb4362d8491188a993687745"
+checksum = "5c0536648cea69ab3bae1801d35f92c0a31e7449cd2c7d14a18fb5e413f43279"
 dependencies = [
  "itertools",
  "proc-macro2",
@@ -1012,45 +1063,36 @@ dependencies = [
  "serde",
  "serde_json",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "soroban-ledger-snapshot"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d202c5870aeec1cb97bfd06a94b8fe691c513ba6da8638deb07d8660e90056ba"
+checksum = "37960eec21d7dc5dbd976fa16e38c056429663a89243798486b07afbb263c9b5"
 dependencies = [
  "serde",
  "serde_json",
+ "serde_with",
  "soroban-env-common",
  "soroban-env-host",
  "thiserror",
 ]
 
-[[package]]
-name = "soroban-native-sdk-macros"
-version = "20.0.0-rc2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe8cf96e5c9308347bc6fa0735d0591475a20b43ed00f96ad2df623bbe9c1e88"
-dependencies = [
- "itertools",
- "proc-macro2",
- "quote",
- "syn 2.0.15",
-]
-
 [[package]]
 name = "soroban-sdk"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d771d43a66ba0df14ff28ac1b37a6568da00afa12f28273a67fe92853ab28f8"
+checksum = "f08e1fdb18dbee88160ea6640962faf021a49f22eb1bd212c4d8b0cef32c582c"
 dependencies = [
  "arbitrary",
  "bytes-lit",
  "ctor",
  "ed25519-dalek",
  "rand",
+ "serde",
+ "serde_json",
  "soroban-env-guest",
  "soroban-env-host",
  "soroban-ledger-snapshot",
@@ -1060,9 +1102,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-sdk-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf5a6dd2e08217fdd75f3f849256dda2614badda9095df233a47c7c8f9783493"
+checksum = "6c5cae44f304f2fd32f9cfa9a31a9b58eb1c10aa07a7d5b591921cf7fa649e44"
 dependencies = [
  "crate-git-revision",
  "darling",
@@ -1075,14 +1117,14 @@ dependencies = [
  "soroban-spec",
  "soroban-spec-rust",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "soroban-spec"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e2a55aab81d7cd1df66f85de3d815fb08fc5fa412270dc374e031e27528c711"
+checksum = "7539cfa0abe36f3d33c49fe1253f6b652c91c9a9841fe83dedc1799b7f4bb55f"
 dependencies = [
  "base64 0.13.1",
  "stellar-xdr",
@@ -1092,9 +1134,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-spec-rust"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1bcfa549d3362e6eafa3a51ad29d571f3dbae2cb9fe33d9f94c00a9f742f71df"
+checksum = "eb6189ef3ede0061db14b0cf9fa2692a2cb6c6e8d941689f0c9ca82b68c47ab2"
 dependencies = [
  "prettyplease",
  "proc-macro2",
@@ -1102,7 +1144,7 @@ dependencies = [
  "sha2",
  "soroban-spec",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
  "thiserror",
 ]
 
@@ -1115,9 +1157,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-wasmi"
-version = "0.31.0-soroban1"
+version = "0.31.1-soroban.20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b6e3e79c1f227ec98ea1e8fbf43d0267b9ca748616c9c8c0162fa2a8ca4d5d2"
+checksum = "c1aaa682a67cbd2173f1d60cb1e7b951d490d7c4e0b7b6f5387cbb952e963c46"
 dependencies = [
  "smallvec",
  "spin",
@@ -1150,26 +1192,29 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "stellar-strkey"
-version = "0.0.7"
+version = "0.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c0689070126ca7f2effc2c5726584446db52190f0cef043c02eb4040a711c11"
+checksum = "12d2bf45e114117ea91d820a846fd1afbe3ba7d717988fee094ce8227a3bf8bd"
 dependencies = [
  "base32",
+ "crate-git-revision",
  "thiserror",
 ]
 
 [[package]]
 name = "stellar-xdr"
-version = "20.0.0-rc1"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e09a3734914a7427dbcd4f06b6dcd2b1cf38e934202f6abe4d73658f718b6113"
+checksum = "9595b775539e475da4179fa46212b11e4575f526d57b13308989a8c1dd59238c"
 dependencies = [
  "arbitrary",
  "base64 0.13.1",
  "crate-git-revision",
+ "escape-bytes",
  "hex",
  "serde",
  "serde_with",
+ "stellar-strkey",
 ]
 
 [[package]]
@@ -1197,9 +1242,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.15"
+version = "2.0.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a34fcf3e8b60f57e6a14301a2e916d323af98b0ea63c599441eec8558660c822"
+checksum = "23e78b90f2fcf45d3e842032ce32e3f2d1545ba6636271dcbf24fa306d87be7a"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1232,7 +1277,7 @@ checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -1370,7 +1415,7 @@ version = "0.88.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb8cf7dd82407fe68161bedcd57fde15596f32ebf6e9b3bdbf3ae1da20e38e5e"
 dependencies = [
- "indexmap",
+ "indexmap 1.9.3",
 ]
 
 [[package]]
diff --git a/timelock/Cargo.toml b/timelock/Cargo.toml
index e786126f..dfacc427 100644
--- a/timelock/Cargo.toml
+++ b/timelock/Cargo.toml
@@ -11,10 +11,10 @@ crate-type = ["cdylib"]
 doctest = false
 
 [dependencies]
-soroban-sdk = { version = "20.0.0-rc2" }
+soroban-sdk = { version = "20.0.0" }
 
 [dev_dependencies]
-soroban-sdk = { version = "20.0.0-rc2", features = ["testutils"] }
+soroban-sdk = { version = "20.0.0", features = ["testutils"] }
 
 [profile.release]
 opt-level = "z"
diff --git a/timelock/src/test.rs b/timelock/src/test.rs
index a79b6daf..b9c98946 100644
--- a/timelock/src/test.rs
+++ b/timelock/src/test.rs
@@ -36,15 +36,15 @@ impl<'a> ClaimableBalanceTest<'a> {
             li.timestamp = 12345;
         });
 
-        let deposit_address = Address::random(&env);
+        let deposit_address = Address::generate(&env);
 
         let claim_addresses = [
-            Address::random(&env),
-            Address::random(&env),
-            Address::random(&env),
+            Address::generate(&env),
+            Address::generate(&env),
+            Address::generate(&env),
         ];
 
-        let token_admin = Address::random(&env);
+        let token_admin = Address::generate(&env);
 
         let (token, token_admin_client) = create_token_contract(&env, &token_admin);
         token_admin_client.mint(&deposit_address, &1000);
diff --git a/token/Cargo.lock b/token/Cargo.lock
index 44afda6e..b867afc2 100644
--- a/token/Cargo.lock
+++ b/token/Cargo.lock
@@ -4,9 +4,9 @@ version = 3
 
 [[package]]
 name = "addr2line"
-version = "0.19.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a76fd60b23679b7d19bd066031410fb7e458ccc5e958eb5c325888ce4baedc97"
+checksum = "8a30b2e23b9e17a9f90641c7ab1549cd9b44f296d3ccbf309d2863cfe398a0cb"
 dependencies = [
  "gimli",
 ]
@@ -28,9 +28,9 @@ dependencies = [
 
 [[package]]
 name = "arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2d098ff73c1ca148721f37baad5ea6a465a13f9573aba8641fbbbae8164a54e"
+checksum = "7d5a26814d8dcb93b0e5a0ff3c6d80a8843bafb21b39e8e18a6f05471870e110"
 dependencies = [
  "derive_arbitrary",
 ]
@@ -43,9 +43,9 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "backtrace"
-version = "0.3.67"
+version = "0.3.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "233d376d6d185f2a3093e58f283f60f880315b6c60075b01f36b3b85154564ca"
+checksum = "2089b7e3f35b9dd2d0ed921ead4f6d318c27680d4a5bd167b3ee120edb105837"
 dependencies = [
  "addr2line",
  "cc",
@@ -110,7 +110,7 @@ dependencies = [
  "num-bigint",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -209,14 +209,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1586fa608b1dab41f667475b4a41faec5ba680aee428bfa5de4ea520fdc6e901"
 dependencies = [
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "curve25519-dalek"
-version = "4.0.0"
+version = "4.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f711ade317dd348950a9910f81c5947e3d8907ebd2b83f76203ff1807e6a2bc2"
+checksum = "e89b8c6a2e4b1f45971ad09761aafb85514a84744b67a95e32c3cc1352d1f65c"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -237,7 +237,7 @@ checksum = "83fdaf97f4804dcebfa5862639bc9ce4121e82140bec2a987ac5140294865b5b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -264,7 +264,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "scratch",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -281,7 +281,7 @@ checksum = "2345488264226bf682893e25de0769f3360aac9957980ec49361b083ddaa5bc5"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -305,7 +305,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "strsim",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -316,7 +316,7 @@ checksum = "29a358ff9f12ec09c3e61fef9b5a9902623a695a46a917b07f269bff1445611a"
 dependencies = [
  "darling_core",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -331,13 +331,13 @@ dependencies = [
 
 [[package]]
 name = "derive_arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3cdeb9ec472d588e539a818b2dee436825730da08ad0017c4b1a17676bdc8b7"
+checksum = "67e77553c4162a157adbf834ebae5b415acbecbeafc7a74b0e886657506a7611"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -421,11 +421,23 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
+[[package]]
+name = "escape-bytes"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bfcf67fea2815c2fc3b90873fae90957be12ff417335dfadc7f52927feb03b2"
+
 [[package]]
 name = "ethnum"
-version = "1.3.2"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0198b9d0078e0f30dedc7acbb21c974e838fc8fae3ee170128658a98cb2c1c04"
+checksum = "b90ca2580b73ab6a1f724b76ca11ab632df820fd6040c336200d2c1df7b3c82c"
 
 [[package]]
 name = "ff"
@@ -439,9 +451,9 @@ dependencies = [
 
 [[package]]
 name = "fiat-crypto"
-version = "0.1.20"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e825f6987101665dea6ec934c09ec6d721de7bc1bf92248e1d5810c8cd636b77"
+checksum = "27573eac26f4dd11e2b1916c3fe1baa56407c83c71a773a8ba17ec0bca03b6b7"
 
 [[package]]
 name = "fnv"
@@ -462,9 +474,9 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.10"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
+checksum = "fe9006bed769170c11f845cf00c7c1e9092aeb3f268e007c3e760ac68008070f"
 dependencies = [
  "cfg-if",
  "js-sys",
@@ -475,9 +487,9 @@ dependencies = [
 
 [[package]]
 name = "gimli"
-version = "0.27.2"
+version = "0.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad0a93d233ebf96623465aad4046a8d3aa4da22d4f4beba5388838c8a434bbb4"
+checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
 
 [[package]]
 name = "group"
@@ -496,6 +508,12 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "hashbrown"
+version = "0.14.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
+
 [[package]]
 name = "hex"
 version = "0.4.3"
@@ -505,6 +523,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "hex-literal"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fe2267d4ed49bc07b63801559be28c718ea06c4738b7a03c94df7386d2cde46"
+
 [[package]]
 name = "hmac"
 version = "0.12.1"
@@ -551,7 +575,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
 dependencies = [
  "autocfg",
- "hashbrown",
+ "hashbrown 0.12.3",
+ "serde",
+]
+
+[[package]]
+name = "indexmap"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d530e1a18b1cb4c484e6e34556a0d948706958449fca0cab753d649f2bce3d1f"
+dependencies = [
+ "equivalent",
+ "hashbrown 0.14.3",
  "serde",
 ]
 
@@ -563,9 +598,9 @@ checksum = "8e04e2fd2b8188ea827b32ef11de88377086d690286ab35747ef7f9bf3ccb590"
 
 [[package]]
 name = "itertools"
-version = "0.10.5"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+checksum = "b1c173a5686ce8bfa551b3563d0c2170bf24ca44da99c7ca4bfdab5418c3fe57"
 dependencies = [
  "either",
 ]
@@ -610,9 +645,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.147"
+version = "0.2.150"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
+checksum = "89d92a4743f9a61002fae18374ed11e7973f530cb3a3255fb354818118b2203c"
 
 [[package]]
 name = "libm"
@@ -646,9 +681,9 @@ checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
 name = "miniz_oxide"
-version = "0.6.2"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b275950c28b37e794e8c55d88aeb5e139d0ce23fdbbeda68f8d7174abdf9e8fa"
+checksum = "e7810e0be55b428ada41041c41f32c9f1a42817901b4ccf45fa3d4b6561e74c7"
 dependencies = [
  "adler",
 ]
@@ -666,13 +701,13 @@ dependencies = [
 
 [[package]]
 name = "num-derive"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e6a0fd4f737c707bd9086cc16c925f294943eb62eb71499e9fd4cf71f8b9f4e"
+checksum = "cfb77679af88f8b125209d354a202862602672222e7f2313fdd6dc349bad4712"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -687,18 +722,18 @@ dependencies = [
 
 [[package]]
 name = "num-traits"
-version = "0.2.15"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
+checksum = "39e3200413f237f41ab11ad6d161bc7239c84dcb631773ccd7de3dfe4b5c267c"
 dependencies = [
  "autocfg",
 ]
 
 [[package]]
 name = "object"
-version = "0.30.3"
+version = "0.32.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea86265d3d3dcb6a27fc51bd29a4bf387fae9d2986b823079d4986af253eb439"
+checksum = "9cf5f9dd3933bd50a9e1f149ec995f39ae2c496d31fd772c1fd45ebc27e902b0"
 dependencies = [
  "memchr",
 ]
@@ -744,23 +779,23 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1ceca8aaf45b5c46ec7ed39fff75f57290368c1846d33d24a122ca81416ab058"
 dependencies = [
  "proc-macro2",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.56"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b63bdb0cd06f1f4dedf69b254734f9b45af66e4a031e42a7480257d9898b435"
+checksum = "134c189feb4956b20f6f547d2cf727d4c0fe06722b20a0eec87ed445a97f92da"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.26"
+version = "1.0.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4424af4bf778aae2051a77b60283332f386554255d722233d09fbfc7e30da2fc"
+checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
 dependencies = [
  "proc-macro2",
 ]
@@ -854,29 +889,29 @@ checksum = "bebd363326d05ec3e2f532ab7660680f3b02130d780c299bca73469d521bc0ed"
 
 [[package]]
 name = "serde"
-version = "1.0.160"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb2f3770c8bce3bcda7e149193a069a0f4365bda1fa5cd88e03bca26afc1216c"
+checksum = "bca2a08484b285dcb282d0f67b26cadc0df8b19f8c12502c13d966bf9482f001"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.160"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "291a097c63d8497e00160b166a967a4a79c64f3facdd01cbd7502231688d77df"
+checksum = "d6c7207fbec9faa48073f3e3074cbe553af6ea512d7c21ba46e434e70ea9fbc1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.96"
+version = "1.0.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "057d394a50403bcac12672b2b18fb387ab6d289d957dab67dd201875391e52f1"
+checksum = "3d1c7e3eac408d115102c4c24ad393e0821bb3a5df4d506a80f85f7a742a526b"
 dependencies = [
  "itoa",
  "ryu",
@@ -885,14 +920,15 @@ dependencies = [
 
 [[package]]
 name = "serde_with"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f02d8aa6e3c385bf084924f660ce2a3a6bd333ba55b35e8590b321f35d88513"
+checksum = "64cd236ccc1b7a29e7e2739f27c0b2dd199804abc4290e32f59f3b68d6405c23"
 dependencies = [
  "base64 0.21.0",
  "chrono",
  "hex",
- "indexmap",
+ "indexmap 1.9.3",
+ "indexmap 2.1.0",
  "serde",
  "serde_json",
  "serde_with_macros",
@@ -901,21 +937,21 @@ dependencies = [
 
 [[package]]
 name = "serde_with_macros"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edc7d5d3932fb12ce722ee5e64dd38c504efba37567f0c402f6ca728c3b8b070"
+checksum = "93634eb5f75a2323b16de4748022ac4297f9e76b6dced2be287a099f41b5e788"
 dependencies = [
  "darling",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "sha2"
-version = "0.10.7"
+version = "0.10.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "479fb9d862239e610720565ca91403019f2f00410f1864c5aa7479b950a76ed8"
+checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -948,11 +984,23 @@ version = "1.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a507befe795404456341dfab10cef66ead4c041f62b8b11bbb92bffe5d0953e0"
 
+[[package]]
+name = "soroban-builtin-sdk-macros"
+version = "20.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b42487d6b0268748f753feeb579c6f7908dbb002faf20b703e6a7185b12f0527"
+dependencies = [
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.39",
+]
+
 [[package]]
 name = "soroban-env-common"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2508a41765935d3bef43b2264667c4603725cf7ddd851321f1dc2b3bca8bb88"
+checksum = "5bb493483fa3e3ebfb4c081472495d14b0abcfbe04ba142a56ff63056cc62700"
 dependencies = [
  "arbitrary",
  "crate-git-revision",
@@ -968,9 +1016,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-guest"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b41f1b3ebb747487ff9920822112a5816030e053734ed63c05f1a7db476f2768"
+checksum = "3f31a738ef5faf4084c4b1824a8e3f93dfff0261a3909e86060f818e728479a3"
 dependencies = [
  "soroban-env-common",
  "static_assertions",
@@ -978,13 +1026,16 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-host"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "347fc729270de2fc8e312ba1872ef90fdc8dfcd0dacdd07a3bb7a038c41ea6d6"
+checksum = "bdd1172a76c0bc2ce67ec7f28ca37dddbe9fefabe583f80434f5f60aaee3547e"
 dependencies = [
  "backtrace",
+ "curve25519-dalek",
  "ed25519-dalek",
  "getrandom",
+ "hex-literal",
+ "hmac",
  "k256",
  "num-derive",
  "num-integer",
@@ -993,8 +1044,8 @@ dependencies = [
  "rand_chacha",
  "sha2",
  "sha3",
+ "soroban-builtin-sdk-macros",
  "soroban-env-common",
- "soroban-native-sdk-macros",
  "soroban-wasmi",
  "static_assertions",
  "stellar-strkey",
@@ -1002,9 +1053,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f16b7a75d77ae47143a07f92a35661c21e965f63bb4362d8491188a993687745"
+checksum = "5c0536648cea69ab3bae1801d35f92c0a31e7449cd2c7d14a18fb5e413f43279"
 dependencies = [
  "itertools",
  "proc-macro2",
@@ -1012,45 +1063,36 @@ dependencies = [
  "serde",
  "serde_json",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "soroban-ledger-snapshot"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d202c5870aeec1cb97bfd06a94b8fe691c513ba6da8638deb07d8660e90056ba"
+checksum = "37960eec21d7dc5dbd976fa16e38c056429663a89243798486b07afbb263c9b5"
 dependencies = [
  "serde",
  "serde_json",
+ "serde_with",
  "soroban-env-common",
  "soroban-env-host",
  "thiserror",
 ]
 
-[[package]]
-name = "soroban-native-sdk-macros"
-version = "20.0.0-rc2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe8cf96e5c9308347bc6fa0735d0591475a20b43ed00f96ad2df623bbe9c1e88"
-dependencies = [
- "itertools",
- "proc-macro2",
- "quote",
- "syn 2.0.15",
-]
-
 [[package]]
 name = "soroban-sdk"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d771d43a66ba0df14ff28ac1b37a6568da00afa12f28273a67fe92853ab28f8"
+checksum = "f08e1fdb18dbee88160ea6640962faf021a49f22eb1bd212c4d8b0cef32c582c"
 dependencies = [
  "arbitrary",
  "bytes-lit",
  "ctor",
  "ed25519-dalek",
  "rand",
+ "serde",
+ "serde_json",
  "soroban-env-guest",
  "soroban-env-host",
  "soroban-ledger-snapshot",
@@ -1060,9 +1102,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-sdk-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf5a6dd2e08217fdd75f3f849256dda2614badda9095df233a47c7c8f9783493"
+checksum = "6c5cae44f304f2fd32f9cfa9a31a9b58eb1c10aa07a7d5b591921cf7fa649e44"
 dependencies = [
  "crate-git-revision",
  "darling",
@@ -1075,14 +1117,14 @@ dependencies = [
  "soroban-spec",
  "soroban-spec-rust",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "soroban-spec"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e2a55aab81d7cd1df66f85de3d815fb08fc5fa412270dc374e031e27528c711"
+checksum = "7539cfa0abe36f3d33c49fe1253f6b652c91c9a9841fe83dedc1799b7f4bb55f"
 dependencies = [
  "base64 0.13.1",
  "stellar-xdr",
@@ -1092,9 +1134,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-spec-rust"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1bcfa549d3362e6eafa3a51ad29d571f3dbae2cb9fe33d9f94c00a9f742f71df"
+checksum = "eb6189ef3ede0061db14b0cf9fa2692a2cb6c6e8d941689f0c9ca82b68c47ab2"
 dependencies = [
  "prettyplease",
  "proc-macro2",
@@ -1102,7 +1144,7 @@ dependencies = [
  "sha2",
  "soroban-spec",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
  "thiserror",
 ]
 
@@ -1116,18 +1158,18 @@ dependencies = [
 
 [[package]]
 name = "soroban-token-sdk"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7294182d2197ac4da58163ca8f9c2e4df2045e5b81752928d82da9289ef366ee"
+checksum = "9675d01424e718340a4d9121c67a1a2d10d91ddce7cf9c00d432b2010e4c65a5"
 dependencies = [
  "soroban-sdk",
 ]
 
 [[package]]
 name = "soroban-wasmi"
-version = "0.31.0-soroban1"
+version = "0.31.1-soroban.20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b6e3e79c1f227ec98ea1e8fbf43d0267b9ca748616c9c8c0162fa2a8ca4d5d2"
+checksum = "c1aaa682a67cbd2173f1d60cb1e7b951d490d7c4e0b7b6f5387cbb952e963c46"
 dependencies = [
  "smallvec",
  "spin",
@@ -1160,26 +1202,29 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "stellar-strkey"
-version = "0.0.7"
+version = "0.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c0689070126ca7f2effc2c5726584446db52190f0cef043c02eb4040a711c11"
+checksum = "12d2bf45e114117ea91d820a846fd1afbe3ba7d717988fee094ce8227a3bf8bd"
 dependencies = [
  "base32",
+ "crate-git-revision",
  "thiserror",
 ]
 
 [[package]]
 name = "stellar-xdr"
-version = "20.0.0-rc1"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e09a3734914a7427dbcd4f06b6dcd2b1cf38e934202f6abe4d73658f718b6113"
+checksum = "9595b775539e475da4179fa46212b11e4575f526d57b13308989a8c1dd59238c"
 dependencies = [
  "arbitrary",
  "base64 0.13.1",
  "crate-git-revision",
+ "escape-bytes",
  "hex",
  "serde",
  "serde_with",
+ "stellar-strkey",
 ]
 
 [[package]]
@@ -1207,9 +1252,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.15"
+version = "2.0.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a34fcf3e8b60f57e6a14301a2e916d323af98b0ea63c599441eec8558660c822"
+checksum = "23e78b90f2fcf45d3e842032ce32e3f2d1545ba6636271dcbf24fa306d87be7a"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1242,7 +1287,7 @@ checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -1380,7 +1425,7 @@ version = "0.88.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb8cf7dd82407fe68161bedcd57fde15596f32ebf6e9b3bdbf3ae1da20e38e5e"
 dependencies = [
- "indexmap",
+ "indexmap 1.9.3",
 ]
 
 [[package]]
diff --git a/token/Cargo.toml b/token/Cargo.toml
index a488197c..5546ca3d 100644
--- a/token/Cargo.toml
+++ b/token/Cargo.toml
@@ -8,11 +8,11 @@ edition = "2021"
 crate-type = ["cdylib"]
 
 [dependencies]
-soroban-sdk = { version = "20.0.0-rc2" }
-soroban-token-sdk = { version = "20.0.0-rc2" }
+soroban-sdk = { version = "20.0.0" }
+soroban-token-sdk = { version = "20.0.0" }
 
 [dev_dependencies]
-soroban-sdk = { version = "20.0.0-rc2", features = ["testutils"] }
+soroban-sdk = { version = "20.0.0", features = ["testutils"] }
 
 [profile.release]
 opt-level = "z"
diff --git a/token/src/allowance.rs b/token/src/allowance.rs
index 550665ea..ad746871 100644
--- a/token/src/allowance.rs
+++ b/token/src/allowance.rs
@@ -44,7 +44,7 @@ pub fn write_allowance(
             .checked_sub(e.ledger().sequence())
             .unwrap();
 
-        e.storage().temporary().bump(&key, live_for, live_for)
+        e.storage().temporary().extend_ttl(&key, live_for, live_for)
     }
 }
 
diff --git a/token/src/balance.rs b/token/src/balance.rs
index 40a73040..76134e8d 100644
--- a/token/src/balance.rs
+++ b/token/src/balance.rs
@@ -6,7 +6,7 @@ pub fn read_balance(e: &Env, addr: Address) -> i128 {
     if let Some(balance) = e.storage().persistent().get::<DataKey, i128>(&key) {
         e.storage()
             .persistent()
-            .bump(&key, BALANCE_LIFETIME_THRESHOLD, BALANCE_BUMP_AMOUNT);
+            .extend_ttl(&key, BALANCE_LIFETIME_THRESHOLD, BALANCE_BUMP_AMOUNT);
         balance
     } else {
         0
@@ -18,7 +18,7 @@ fn write_balance(e: &Env, addr: Address, amount: i128) {
     e.storage().persistent().set(&key, &amount);
     e.storage()
         .persistent()
-        .bump(&key, BALANCE_LIFETIME_THRESHOLD, BALANCE_BUMP_AMOUNT);
+        .extend_ttl(&key, BALANCE_LIFETIME_THRESHOLD, BALANCE_BUMP_AMOUNT);
 }
 
 pub fn receive_balance(e: &Env, addr: Address, amount: i128) {
diff --git a/token/src/contract.rs b/token/src/contract.rs
index 35d2a3e4..cc5690c6 100644
--- a/token/src/contract.rs
+++ b/token/src/contract.rs
@@ -47,7 +47,7 @@ impl Token {
 
         e.storage()
             .instance()
-            .bump(INSTANCE_LIFETIME_THRESHOLD, INSTANCE_BUMP_AMOUNT);
+            .extend_ttl(INSTANCE_LIFETIME_THRESHOLD, INSTANCE_BUMP_AMOUNT);
 
         receive_balance(&e, to.clone(), amount);
         TokenUtils::new(&e).events().mint(admin, to, amount);
@@ -59,7 +59,7 @@ impl Token {
 
         e.storage()
             .instance()
-            .bump(INSTANCE_LIFETIME_THRESHOLD, INSTANCE_BUMP_AMOUNT);
+            .extend_ttl(INSTANCE_LIFETIME_THRESHOLD, INSTANCE_BUMP_AMOUNT);
 
         write_administrator(&e, &new_admin);
         TokenUtils::new(&e).events().set_admin(admin, new_admin);
@@ -71,7 +71,7 @@ impl token::Interface for Token {
     fn allowance(e: Env, from: Address, spender: Address) -> i128 {
         e.storage()
             .instance()
-            .bump(INSTANCE_LIFETIME_THRESHOLD, INSTANCE_BUMP_AMOUNT);
+            .extend_ttl(INSTANCE_LIFETIME_THRESHOLD, INSTANCE_BUMP_AMOUNT);
         read_allowance(&e, from, spender).amount
     }
 
@@ -82,7 +82,7 @@ impl token::Interface for Token {
 
         e.storage()
             .instance()
-            .bump(INSTANCE_LIFETIME_THRESHOLD, INSTANCE_BUMP_AMOUNT);
+            .extend_ttl(INSTANCE_LIFETIME_THRESHOLD, INSTANCE_BUMP_AMOUNT);
 
         write_allowance(&e, from.clone(), spender.clone(), amount, expiration_ledger);
         TokenUtils::new(&e)
@@ -93,14 +93,7 @@ impl token::Interface for Token {
     fn balance(e: Env, id: Address) -> i128 {
         e.storage()
             .instance()
-            .bump(INSTANCE_LIFETIME_THRESHOLD, INSTANCE_BUMP_AMOUNT);
-        read_balance(&e, id)
-    }
-
-    fn spendable_balance(e: Env, id: Address) -> i128 {
-        e.storage()
-            .instance()
-            .bump(INSTANCE_LIFETIME_THRESHOLD, INSTANCE_BUMP_AMOUNT);
+            .extend_ttl(INSTANCE_LIFETIME_THRESHOLD, INSTANCE_BUMP_AMOUNT);
         read_balance(&e, id)
     }
 
@@ -111,7 +104,7 @@ impl token::Interface for Token {
 
         e.storage()
             .instance()
-            .bump(INSTANCE_LIFETIME_THRESHOLD, INSTANCE_BUMP_AMOUNT);
+            .extend_ttl(INSTANCE_LIFETIME_THRESHOLD, INSTANCE_BUMP_AMOUNT);
 
         spend_balance(&e, from.clone(), amount);
         receive_balance(&e, to.clone(), amount);
@@ -125,7 +118,7 @@ impl token::Interface for Token {
 
         e.storage()
             .instance()
-            .bump(INSTANCE_LIFETIME_THRESHOLD, INSTANCE_BUMP_AMOUNT);
+            .extend_ttl(INSTANCE_LIFETIME_THRESHOLD, INSTANCE_BUMP_AMOUNT);
 
         spend_allowance(&e, from.clone(), spender, amount);
         spend_balance(&e, from.clone(), amount);
@@ -140,7 +133,7 @@ impl token::Interface for Token {
 
         e.storage()
             .instance()
-            .bump(INSTANCE_LIFETIME_THRESHOLD, INSTANCE_BUMP_AMOUNT);
+            .extend_ttl(INSTANCE_LIFETIME_THRESHOLD, INSTANCE_BUMP_AMOUNT);
 
         spend_balance(&e, from.clone(), amount);
         TokenUtils::new(&e).events().burn(from, amount);
@@ -153,7 +146,7 @@ impl token::Interface for Token {
 
         e.storage()
             .instance()
-            .bump(INSTANCE_LIFETIME_THRESHOLD, INSTANCE_BUMP_AMOUNT);
+            .extend_ttl(INSTANCE_LIFETIME_THRESHOLD, INSTANCE_BUMP_AMOUNT);
 
         spend_allowance(&e, from.clone(), spender, amount);
         spend_balance(&e, from.clone(), amount);
diff --git a/token/src/test.rs b/token/src/test.rs
index 9aae46eb..dbdb17a3 100644
--- a/token/src/test.rs
+++ b/token/src/test.rs
@@ -19,11 +19,11 @@ fn test() {
     let e = Env::default();
     e.mock_all_auths();
 
-    let admin1 = Address::random(&e);
-    let admin2 = Address::random(&e);
-    let user1 = Address::random(&e);
-    let user2 = Address::random(&e);
-    let user3 = Address::random(&e);
+    let admin1 = Address::generate(&e);
+    let admin2 = Address::generate(&e);
+    let user1 = Address::generate(&e);
+    let user2 = Address::generate(&e);
+    let user3 = Address::generate(&e);
     let token = create_token(&e, &admin1);
 
     token.mint(&user1, &1000);
@@ -142,9 +142,9 @@ fn test_burn() {
     let e = Env::default();
     e.mock_all_auths();
 
-    let admin = Address::random(&e);
-    let user1 = Address::random(&e);
-    let user2 = Address::random(&e);
+    let admin = Address::generate(&e);
+    let user1 = Address::generate(&e);
+    let user2 = Address::generate(&e);
     let token = create_token(&e, &admin);
 
     token.mint(&user1, &1000);
@@ -199,9 +199,9 @@ fn transfer_insufficient_balance() {
     let e = Env::default();
     e.mock_all_auths();
 
-    let admin = Address::random(&e);
-    let user1 = Address::random(&e);
-    let user2 = Address::random(&e);
+    let admin = Address::generate(&e);
+    let user1 = Address::generate(&e);
+    let user2 = Address::generate(&e);
     let token = create_token(&e, &admin);
 
     token.mint(&user1, &1000);
@@ -216,10 +216,10 @@ fn transfer_from_insufficient_allowance() {
     let e = Env::default();
     e.mock_all_auths();
 
-    let admin = Address::random(&e);
-    let user1 = Address::random(&e);
-    let user2 = Address::random(&e);
-    let user3 = Address::random(&e);
+    let admin = Address::generate(&e);
+    let user1 = Address::generate(&e);
+    let user2 = Address::generate(&e);
+    let user3 = Address::generate(&e);
     let token = create_token(&e, &admin);
 
     token.mint(&user1, &1000);
@@ -235,7 +235,7 @@ fn transfer_from_insufficient_allowance() {
 #[should_panic(expected = "already initialized")]
 fn initialize_already_initialized() {
     let e = Env::default();
-    let admin = Address::random(&e);
+    let admin = Address::generate(&e);
     let token = create_token(&e, &admin);
 
     token.initialize(&admin, &10, &"name".into_val(&e), &"symbol".into_val(&e));
@@ -245,7 +245,7 @@ fn initialize_already_initialized() {
 #[should_panic(expected = "Decimal must fit in a u8")]
 fn decimal_is_over_max() {
     let e = Env::default();
-    let admin = Address::random(&e);
+    let admin = Address::generate(&e);
     let token = TokenClient::new(&e, &e.register_contract(None, Token {}));
     token.initialize(
         &admin,
diff --git a/upgradeable_contract/new_contract/Cargo.lock b/upgradeable_contract/new_contract/Cargo.lock
index d408af05..4f451c30 100644
--- a/upgradeable_contract/new_contract/Cargo.lock
+++ b/upgradeable_contract/new_contract/Cargo.lock
@@ -4,9 +4,9 @@ version = 3
 
 [[package]]
 name = "addr2line"
-version = "0.19.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a76fd60b23679b7d19bd066031410fb7e458ccc5e958eb5c325888ce4baedc97"
+checksum = "8a30b2e23b9e17a9f90641c7ab1549cd9b44f296d3ccbf309d2863cfe398a0cb"
 dependencies = [
  "gimli",
 ]
@@ -28,9 +28,9 @@ dependencies = [
 
 [[package]]
 name = "arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2d098ff73c1ca148721f37baad5ea6a465a13f9573aba8641fbbbae8164a54e"
+checksum = "7d5a26814d8dcb93b0e5a0ff3c6d80a8843bafb21b39e8e18a6f05471870e110"
 dependencies = [
  "derive_arbitrary",
 ]
@@ -43,9 +43,9 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "backtrace"
-version = "0.3.67"
+version = "0.3.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "233d376d6d185f2a3093e58f283f60f880315b6c60075b01f36b3b85154564ca"
+checksum = "2089b7e3f35b9dd2d0ed921ead4f6d318c27680d4a5bd167b3ee120edb105837"
 dependencies = [
  "addr2line",
  "cc",
@@ -110,7 +110,7 @@ dependencies = [
  "num-bigint",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -209,14 +209,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1586fa608b1dab41f667475b4a41faec5ba680aee428bfa5de4ea520fdc6e901"
 dependencies = [
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "curve25519-dalek"
-version = "4.0.0"
+version = "4.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f711ade317dd348950a9910f81c5947e3d8907ebd2b83f76203ff1807e6a2bc2"
+checksum = "e89b8c6a2e4b1f45971ad09761aafb85514a84744b67a95e32c3cc1352d1f65c"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -237,7 +237,7 @@ checksum = "83fdaf97f4804dcebfa5862639bc9ce4121e82140bec2a987ac5140294865b5b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -264,7 +264,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "scratch",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -281,7 +281,7 @@ checksum = "2345488264226bf682893e25de0769f3360aac9957980ec49361b083ddaa5bc5"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -305,7 +305,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "strsim",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -316,7 +316,7 @@ checksum = "7bfb82b62b1b8a2a9808fb4caf844ede819a76cfc23b2827d7f94eefb49551eb"
 dependencies = [
  "darling_core",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -331,13 +331,13 @@ dependencies = [
 
 [[package]]
 name = "derive_arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3cdeb9ec472d588e539a818b2dee436825730da08ad0017c4b1a17676bdc8b7"
+checksum = "67e77553c4162a157adbf834ebae5b415acbecbeafc7a74b0e886657506a7611"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -421,11 +421,23 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
+[[package]]
+name = "escape-bytes"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bfcf67fea2815c2fc3b90873fae90957be12ff417335dfadc7f52927feb03b2"
+
 [[package]]
 name = "ethnum"
-version = "1.3.2"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0198b9d0078e0f30dedc7acbb21c974e838fc8fae3ee170128658a98cb2c1c04"
+checksum = "b90ca2580b73ab6a1f724b76ca11ab632df820fd6040c336200d2c1df7b3c82c"
 
 [[package]]
 name = "ff"
@@ -439,9 +451,9 @@ dependencies = [
 
 [[package]]
 name = "fiat-crypto"
-version = "0.1.20"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e825f6987101665dea6ec934c09ec6d721de7bc1bf92248e1d5810c8cd636b77"
+checksum = "27573eac26f4dd11e2b1916c3fe1baa56407c83c71a773a8ba17ec0bca03b6b7"
 
 [[package]]
 name = "fnv"
@@ -462,9 +474,9 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.10"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
+checksum = "fe9006bed769170c11f845cf00c7c1e9092aeb3f268e007c3e760ac68008070f"
 dependencies = [
  "cfg-if",
  "js-sys",
@@ -475,9 +487,9 @@ dependencies = [
 
 [[package]]
 name = "gimli"
-version = "0.27.2"
+version = "0.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad0a93d233ebf96623465aad4046a8d3aa4da22d4f4beba5388838c8a434bbb4"
+checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
 
 [[package]]
 name = "group"
@@ -496,6 +508,12 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "hashbrown"
+version = "0.14.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
+
 [[package]]
 name = "hex"
 version = "0.4.3"
@@ -505,6 +523,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "hex-literal"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fe2267d4ed49bc07b63801559be28c718ea06c4738b7a03c94df7386d2cde46"
+
 [[package]]
 name = "hmac"
 version = "0.12.1"
@@ -551,7 +575,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
 dependencies = [
  "autocfg",
- "hashbrown",
+ "hashbrown 0.12.3",
+ "serde",
+]
+
+[[package]]
+name = "indexmap"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d530e1a18b1cb4c484e6e34556a0d948706958449fca0cab753d649f2bce3d1f"
+dependencies = [
+ "equivalent",
+ "hashbrown 0.14.3",
  "serde",
 ]
 
@@ -563,9 +598,9 @@ checksum = "8e04e2fd2b8188ea827b32ef11de88377086d690286ab35747ef7f9bf3ccb590"
 
 [[package]]
 name = "itertools"
-version = "0.10.5"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+checksum = "b1c173a5686ce8bfa551b3563d0c2170bf24ca44da99c7ca4bfdab5418c3fe57"
 dependencies = [
  "either",
 ]
@@ -610,9 +645,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.147"
+version = "0.2.150"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
+checksum = "89d92a4743f9a61002fae18374ed11e7973f530cb3a3255fb354818118b2203c"
 
 [[package]]
 name = "libm"
@@ -646,9 +681,9 @@ checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
 name = "miniz_oxide"
-version = "0.6.2"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b275950c28b37e794e8c55d88aeb5e139d0ce23fdbbeda68f8d7174abdf9e8fa"
+checksum = "e7810e0be55b428ada41041c41f32c9f1a42817901b4ccf45fa3d4b6561e74c7"
 dependencies = [
  "adler",
 ]
@@ -666,13 +701,13 @@ dependencies = [
 
 [[package]]
 name = "num-derive"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e6a0fd4f737c707bd9086cc16c925f294943eb62eb71499e9fd4cf71f8b9f4e"
+checksum = "cfb77679af88f8b125209d354a202862602672222e7f2313fdd6dc349bad4712"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -687,18 +722,18 @@ dependencies = [
 
 [[package]]
 name = "num-traits"
-version = "0.2.15"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
+checksum = "39e3200413f237f41ab11ad6d161bc7239c84dcb631773ccd7de3dfe4b5c267c"
 dependencies = [
  "autocfg",
 ]
 
 [[package]]
 name = "object"
-version = "0.30.3"
+version = "0.32.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea86265d3d3dcb6a27fc51bd29a4bf387fae9d2986b823079d4986af253eb439"
+checksum = "9cf5f9dd3933bd50a9e1f149ec995f39ae2c496d31fd772c1fd45ebc27e902b0"
 dependencies = [
  "memchr",
 ]
@@ -744,23 +779,23 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1ceca8aaf45b5c46ec7ed39fff75f57290368c1846d33d24a122ca81416ab058"
 dependencies = [
  "proc-macro2",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.56"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b63bdb0cd06f1f4dedf69b254734f9b45af66e4a031e42a7480257d9898b435"
+checksum = "134c189feb4956b20f6f547d2cf727d4c0fe06722b20a0eec87ed445a97f92da"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.26"
+version = "1.0.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4424af4bf778aae2051a77b60283332f386554255d722233d09fbfc7e30da2fc"
+checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
 dependencies = [
  "proc-macro2",
 ]
@@ -854,29 +889,29 @@ checksum = "bebd363326d05ec3e2f532ab7660680f3b02130d780c299bca73469d521bc0ed"
 
 [[package]]
 name = "serde"
-version = "1.0.160"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb2f3770c8bce3bcda7e149193a069a0f4365bda1fa5cd88e03bca26afc1216c"
+checksum = "bca2a08484b285dcb282d0f67b26cadc0df8b19f8c12502c13d966bf9482f001"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.160"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "291a097c63d8497e00160b166a967a4a79c64f3facdd01cbd7502231688d77df"
+checksum = "d6c7207fbec9faa48073f3e3074cbe553af6ea512d7c21ba46e434e70ea9fbc1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.96"
+version = "1.0.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "057d394a50403bcac12672b2b18fb387ab6d289d957dab67dd201875391e52f1"
+checksum = "3d1c7e3eac408d115102c4c24ad393e0821bb3a5df4d506a80f85f7a742a526b"
 dependencies = [
  "itoa",
  "ryu",
@@ -885,14 +920,15 @@ dependencies = [
 
 [[package]]
 name = "serde_with"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f02d8aa6e3c385bf084924f660ce2a3a6bd333ba55b35e8590b321f35d88513"
+checksum = "64cd236ccc1b7a29e7e2739f27c0b2dd199804abc4290e32f59f3b68d6405c23"
 dependencies = [
  "base64 0.21.0",
  "chrono",
  "hex",
- "indexmap",
+ "indexmap 1.9.3",
+ "indexmap 2.1.0",
  "serde",
  "serde_json",
  "serde_with_macros",
@@ -901,21 +937,21 @@ dependencies = [
 
 [[package]]
 name = "serde_with_macros"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edc7d5d3932fb12ce722ee5e64dd38c504efba37567f0c402f6ca728c3b8b070"
+checksum = "93634eb5f75a2323b16de4748022ac4297f9e76b6dced2be287a099f41b5e788"
 dependencies = [
  "darling",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "sha2"
-version = "0.10.7"
+version = "0.10.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "479fb9d862239e610720565ca91403019f2f00410f1864c5aa7479b950a76ed8"
+checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -948,11 +984,23 @@ version = "1.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a507befe795404456341dfab10cef66ead4c041f62b8b11bbb92bffe5d0953e0"
 
+[[package]]
+name = "soroban-builtin-sdk-macros"
+version = "20.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b42487d6b0268748f753feeb579c6f7908dbb002faf20b703e6a7185b12f0527"
+dependencies = [
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.39",
+]
+
 [[package]]
 name = "soroban-env-common"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2508a41765935d3bef43b2264667c4603725cf7ddd851321f1dc2b3bca8bb88"
+checksum = "5bb493483fa3e3ebfb4c081472495d14b0abcfbe04ba142a56ff63056cc62700"
 dependencies = [
  "arbitrary",
  "crate-git-revision",
@@ -968,9 +1016,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-guest"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b41f1b3ebb747487ff9920822112a5816030e053734ed63c05f1a7db476f2768"
+checksum = "3f31a738ef5faf4084c4b1824a8e3f93dfff0261a3909e86060f818e728479a3"
 dependencies = [
  "soroban-env-common",
  "static_assertions",
@@ -978,13 +1026,16 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-host"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "347fc729270de2fc8e312ba1872ef90fdc8dfcd0dacdd07a3bb7a038c41ea6d6"
+checksum = "bdd1172a76c0bc2ce67ec7f28ca37dddbe9fefabe583f80434f5f60aaee3547e"
 dependencies = [
  "backtrace",
+ "curve25519-dalek",
  "ed25519-dalek",
  "getrandom",
+ "hex-literal",
+ "hmac",
  "k256",
  "num-derive",
  "num-integer",
@@ -993,8 +1044,8 @@ dependencies = [
  "rand_chacha",
  "sha2",
  "sha3",
+ "soroban-builtin-sdk-macros",
  "soroban-env-common",
- "soroban-native-sdk-macros",
  "soroban-wasmi",
  "static_assertions",
  "stellar-strkey",
@@ -1002,9 +1053,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f16b7a75d77ae47143a07f92a35661c21e965f63bb4362d8491188a993687745"
+checksum = "5c0536648cea69ab3bae1801d35f92c0a31e7449cd2c7d14a18fb5e413f43279"
 dependencies = [
  "itertools",
  "proc-macro2",
@@ -1012,45 +1063,36 @@ dependencies = [
  "serde",
  "serde_json",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "soroban-ledger-snapshot"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d202c5870aeec1cb97bfd06a94b8fe691c513ba6da8638deb07d8660e90056ba"
+checksum = "37960eec21d7dc5dbd976fa16e38c056429663a89243798486b07afbb263c9b5"
 dependencies = [
  "serde",
  "serde_json",
+ "serde_with",
  "soroban-env-common",
  "soroban-env-host",
  "thiserror",
 ]
 
-[[package]]
-name = "soroban-native-sdk-macros"
-version = "20.0.0-rc2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe8cf96e5c9308347bc6fa0735d0591475a20b43ed00f96ad2df623bbe9c1e88"
-dependencies = [
- "itertools",
- "proc-macro2",
- "quote",
- "syn 2.0.15",
-]
-
 [[package]]
 name = "soroban-sdk"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d771d43a66ba0df14ff28ac1b37a6568da00afa12f28273a67fe92853ab28f8"
+checksum = "f08e1fdb18dbee88160ea6640962faf021a49f22eb1bd212c4d8b0cef32c582c"
 dependencies = [
  "arbitrary",
  "bytes-lit",
  "ctor",
  "ed25519-dalek",
  "rand",
+ "serde",
+ "serde_json",
  "soroban-env-guest",
  "soroban-env-host",
  "soroban-ledger-snapshot",
@@ -1060,9 +1102,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-sdk-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf5a6dd2e08217fdd75f3f849256dda2614badda9095df233a47c7c8f9783493"
+checksum = "6c5cae44f304f2fd32f9cfa9a31a9b58eb1c10aa07a7d5b591921cf7fa649e44"
 dependencies = [
  "crate-git-revision",
  "darling",
@@ -1075,14 +1117,14 @@ dependencies = [
  "soroban-spec",
  "soroban-spec-rust",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "soroban-spec"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e2a55aab81d7cd1df66f85de3d815fb08fc5fa412270dc374e031e27528c711"
+checksum = "7539cfa0abe36f3d33c49fe1253f6b652c91c9a9841fe83dedc1799b7f4bb55f"
 dependencies = [
  "base64 0.13.1",
  "stellar-xdr",
@@ -1092,9 +1134,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-spec-rust"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1bcfa549d3362e6eafa3a51ad29d571f3dbae2cb9fe33d9f94c00a9f742f71df"
+checksum = "eb6189ef3ede0061db14b0cf9fa2692a2cb6c6e8d941689f0c9ca82b68c47ab2"
 dependencies = [
  "prettyplease",
  "proc-macro2",
@@ -1102,7 +1144,7 @@ dependencies = [
  "sha2",
  "soroban-spec",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
  "thiserror",
 ]
 
@@ -1115,9 +1157,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-wasmi"
-version = "0.31.0-soroban1"
+version = "0.31.1-soroban.20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b6e3e79c1f227ec98ea1e8fbf43d0267b9ca748616c9c8c0162fa2a8ca4d5d2"
+checksum = "c1aaa682a67cbd2173f1d60cb1e7b951d490d7c4e0b7b6f5387cbb952e963c46"
 dependencies = [
  "smallvec",
  "spin",
@@ -1150,26 +1192,29 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "stellar-strkey"
-version = "0.0.7"
+version = "0.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c0689070126ca7f2effc2c5726584446db52190f0cef043c02eb4040a711c11"
+checksum = "12d2bf45e114117ea91d820a846fd1afbe3ba7d717988fee094ce8227a3bf8bd"
 dependencies = [
  "base32",
+ "crate-git-revision",
  "thiserror",
 ]
 
 [[package]]
 name = "stellar-xdr"
-version = "20.0.0-rc1"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e09a3734914a7427dbcd4f06b6dcd2b1cf38e934202f6abe4d73658f718b6113"
+checksum = "9595b775539e475da4179fa46212b11e4575f526d57b13308989a8c1dd59238c"
 dependencies = [
  "arbitrary",
  "base64 0.13.1",
  "crate-git-revision",
+ "escape-bytes",
  "hex",
  "serde",
  "serde_with",
+ "stellar-strkey",
 ]
 
 [[package]]
@@ -1197,9 +1242,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.15"
+version = "2.0.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a34fcf3e8b60f57e6a14301a2e916d323af98b0ea63c599441eec8558660c822"
+checksum = "23e78b90f2fcf45d3e842032ce32e3f2d1545ba6636271dcbf24fa306d87be7a"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1232,7 +1277,7 @@ checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -1370,7 +1415,7 @@ version = "0.88.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb8cf7dd82407fe68161bedcd57fde15596f32ebf6e9b3bdbf3ae1da20e38e5e"
 dependencies = [
- "indexmap",
+ "indexmap 1.9.3",
 ]
 
 [[package]]
diff --git a/upgradeable_contract/new_contract/Cargo.toml b/upgradeable_contract/new_contract/Cargo.toml
index f640cab8..93285087 100644
--- a/upgradeable_contract/new_contract/Cargo.toml
+++ b/upgradeable_contract/new_contract/Cargo.toml
@@ -11,10 +11,10 @@ crate-type = ["cdylib"]
 doctest = false
 
 [dependencies]
-soroban-sdk = { version = "20.0.0-rc2" }
+soroban-sdk = { version = "20.0.0" }
 
 [dev_dependencies]
-soroban-sdk = { version = "20.0.0-rc2", features = ["testutils"] }
+soroban-sdk = { version = "20.0.0", features = ["testutils"] }
 
 [profile.release]
 opt-level = "z"
diff --git a/upgradeable_contract/old_contract/Cargo.lock b/upgradeable_contract/old_contract/Cargo.lock
index 2e1f6c8c..6904b606 100644
--- a/upgradeable_contract/old_contract/Cargo.lock
+++ b/upgradeable_contract/old_contract/Cargo.lock
@@ -4,9 +4,9 @@ version = 3
 
 [[package]]
 name = "addr2line"
-version = "0.19.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a76fd60b23679b7d19bd066031410fb7e458ccc5e958eb5c325888ce4baedc97"
+checksum = "8a30b2e23b9e17a9f90641c7ab1549cd9b44f296d3ccbf309d2863cfe398a0cb"
 dependencies = [
  "gimli",
 ]
@@ -28,9 +28,9 @@ dependencies = [
 
 [[package]]
 name = "arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2d098ff73c1ca148721f37baad5ea6a465a13f9573aba8641fbbbae8164a54e"
+checksum = "7d5a26814d8dcb93b0e5a0ff3c6d80a8843bafb21b39e8e18a6f05471870e110"
 dependencies = [
  "derive_arbitrary",
 ]
@@ -43,9 +43,9 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "backtrace"
-version = "0.3.67"
+version = "0.3.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "233d376d6d185f2a3093e58f283f60f880315b6c60075b01f36b3b85154564ca"
+checksum = "2089b7e3f35b9dd2d0ed921ead4f6d318c27680d4a5bd167b3ee120edb105837"
 dependencies = [
  "addr2line",
  "cc",
@@ -110,7 +110,7 @@ dependencies = [
  "num-bigint",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -209,14 +209,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1586fa608b1dab41f667475b4a41faec5ba680aee428bfa5de4ea520fdc6e901"
 dependencies = [
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "curve25519-dalek"
-version = "4.0.0"
+version = "4.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f711ade317dd348950a9910f81c5947e3d8907ebd2b83f76203ff1807e6a2bc2"
+checksum = "e89b8c6a2e4b1f45971ad09761aafb85514a84744b67a95e32c3cc1352d1f65c"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -237,7 +237,7 @@ checksum = "83fdaf97f4804dcebfa5862639bc9ce4121e82140bec2a987ac5140294865b5b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -264,7 +264,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "scratch",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -281,7 +281,7 @@ checksum = "2345488264226bf682893e25de0769f3360aac9957980ec49361b083ddaa5bc5"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -305,7 +305,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "strsim",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -316,7 +316,7 @@ checksum = "7bfb82b62b1b8a2a9808fb4caf844ede819a76cfc23b2827d7f94eefb49551eb"
 dependencies = [
  "darling_core",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -331,13 +331,13 @@ dependencies = [
 
 [[package]]
 name = "derive_arbitrary"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3cdeb9ec472d588e539a818b2dee436825730da08ad0017c4b1a17676bdc8b7"
+checksum = "67e77553c4162a157adbf834ebae5b415acbecbeafc7a74b0e886657506a7611"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -421,11 +421,23 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
+[[package]]
+name = "escape-bytes"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bfcf67fea2815c2fc3b90873fae90957be12ff417335dfadc7f52927feb03b2"
+
 [[package]]
 name = "ethnum"
-version = "1.3.2"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0198b9d0078e0f30dedc7acbb21c974e838fc8fae3ee170128658a98cb2c1c04"
+checksum = "b90ca2580b73ab6a1f724b76ca11ab632df820fd6040c336200d2c1df7b3c82c"
 
 [[package]]
 name = "ff"
@@ -439,9 +451,9 @@ dependencies = [
 
 [[package]]
 name = "fiat-crypto"
-version = "0.1.20"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e825f6987101665dea6ec934c09ec6d721de7bc1bf92248e1d5810c8cd636b77"
+checksum = "27573eac26f4dd11e2b1916c3fe1baa56407c83c71a773a8ba17ec0bca03b6b7"
 
 [[package]]
 name = "fnv"
@@ -462,9 +474,9 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.10"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
+checksum = "fe9006bed769170c11f845cf00c7c1e9092aeb3f268e007c3e760ac68008070f"
 dependencies = [
  "cfg-if",
  "js-sys",
@@ -475,9 +487,9 @@ dependencies = [
 
 [[package]]
 name = "gimli"
-version = "0.27.2"
+version = "0.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad0a93d233ebf96623465aad4046a8d3aa4da22d4f4beba5388838c8a434bbb4"
+checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
 
 [[package]]
 name = "group"
@@ -496,6 +508,12 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "hashbrown"
+version = "0.14.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
+
 [[package]]
 name = "hex"
 version = "0.4.3"
@@ -505,6 +523,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "hex-literal"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fe2267d4ed49bc07b63801559be28c718ea06c4738b7a03c94df7386d2cde46"
+
 [[package]]
 name = "hmac"
 version = "0.12.1"
@@ -551,7 +575,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
 dependencies = [
  "autocfg",
- "hashbrown",
+ "hashbrown 0.12.3",
+ "serde",
+]
+
+[[package]]
+name = "indexmap"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d530e1a18b1cb4c484e6e34556a0d948706958449fca0cab753d649f2bce3d1f"
+dependencies = [
+ "equivalent",
+ "hashbrown 0.14.3",
  "serde",
 ]
 
@@ -563,9 +598,9 @@ checksum = "8e04e2fd2b8188ea827b32ef11de88377086d690286ab35747ef7f9bf3ccb590"
 
 [[package]]
 name = "itertools"
-version = "0.10.5"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+checksum = "b1c173a5686ce8bfa551b3563d0c2170bf24ca44da99c7ca4bfdab5418c3fe57"
 dependencies = [
  "either",
 ]
@@ -610,9 +645,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.147"
+version = "0.2.150"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
+checksum = "89d92a4743f9a61002fae18374ed11e7973f530cb3a3255fb354818118b2203c"
 
 [[package]]
 name = "libm"
@@ -646,9 +681,9 @@ checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
 name = "miniz_oxide"
-version = "0.6.2"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b275950c28b37e794e8c55d88aeb5e139d0ce23fdbbeda68f8d7174abdf9e8fa"
+checksum = "e7810e0be55b428ada41041c41f32c9f1a42817901b4ccf45fa3d4b6561e74c7"
 dependencies = [
  "adler",
 ]
@@ -666,13 +701,13 @@ dependencies = [
 
 [[package]]
 name = "num-derive"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e6a0fd4f737c707bd9086cc16c925f294943eb62eb71499e9fd4cf71f8b9f4e"
+checksum = "cfb77679af88f8b125209d354a202862602672222e7f2313fdd6dc349bad4712"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -687,18 +722,18 @@ dependencies = [
 
 [[package]]
 name = "num-traits"
-version = "0.2.15"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
+checksum = "39e3200413f237f41ab11ad6d161bc7239c84dcb631773ccd7de3dfe4b5c267c"
 dependencies = [
  "autocfg",
 ]
 
 [[package]]
 name = "object"
-version = "0.30.3"
+version = "0.32.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea86265d3d3dcb6a27fc51bd29a4bf387fae9d2986b823079d4986af253eb439"
+checksum = "9cf5f9dd3933bd50a9e1f149ec995f39ae2c496d31fd772c1fd45ebc27e902b0"
 dependencies = [
  "memchr",
 ]
@@ -744,23 +779,23 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1ceca8aaf45b5c46ec7ed39fff75f57290368c1846d33d24a122ca81416ab058"
 dependencies = [
  "proc-macro2",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.56"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b63bdb0cd06f1f4dedf69b254734f9b45af66e4a031e42a7480257d9898b435"
+checksum = "134c189feb4956b20f6f547d2cf727d4c0fe06722b20a0eec87ed445a97f92da"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.26"
+version = "1.0.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4424af4bf778aae2051a77b60283332f386554255d722233d09fbfc7e30da2fc"
+checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
 dependencies = [
  "proc-macro2",
 ]
@@ -854,29 +889,29 @@ checksum = "bebd363326d05ec3e2f532ab7660680f3b02130d780c299bca73469d521bc0ed"
 
 [[package]]
 name = "serde"
-version = "1.0.160"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb2f3770c8bce3bcda7e149193a069a0f4365bda1fa5cd88e03bca26afc1216c"
+checksum = "bca2a08484b285dcb282d0f67b26cadc0df8b19f8c12502c13d966bf9482f001"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.160"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "291a097c63d8497e00160b166a967a4a79c64f3facdd01cbd7502231688d77df"
+checksum = "d6c7207fbec9faa48073f3e3074cbe553af6ea512d7c21ba46e434e70ea9fbc1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.96"
+version = "1.0.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "057d394a50403bcac12672b2b18fb387ab6d289d957dab67dd201875391e52f1"
+checksum = "3d1c7e3eac408d115102c4c24ad393e0821bb3a5df4d506a80f85f7a742a526b"
 dependencies = [
  "itoa",
  "ryu",
@@ -885,14 +920,15 @@ dependencies = [
 
 [[package]]
 name = "serde_with"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f02d8aa6e3c385bf084924f660ce2a3a6bd333ba55b35e8590b321f35d88513"
+checksum = "64cd236ccc1b7a29e7e2739f27c0b2dd199804abc4290e32f59f3b68d6405c23"
 dependencies = [
  "base64 0.21.0",
  "chrono",
  "hex",
- "indexmap",
+ "indexmap 1.9.3",
+ "indexmap 2.1.0",
  "serde",
  "serde_json",
  "serde_with_macros",
@@ -901,21 +937,21 @@ dependencies = [
 
 [[package]]
 name = "serde_with_macros"
-version = "3.0.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edc7d5d3932fb12ce722ee5e64dd38c504efba37567f0c402f6ca728c3b8b070"
+checksum = "93634eb5f75a2323b16de4748022ac4297f9e76b6dced2be287a099f41b5e788"
 dependencies = [
  "darling",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "sha2"
-version = "0.10.7"
+version = "0.10.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "479fb9d862239e610720565ca91403019f2f00410f1864c5aa7479b950a76ed8"
+checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -948,11 +984,23 @@ version = "1.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a507befe795404456341dfab10cef66ead4c041f62b8b11bbb92bffe5d0953e0"
 
+[[package]]
+name = "soroban-builtin-sdk-macros"
+version = "20.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b42487d6b0268748f753feeb579c6f7908dbb002faf20b703e6a7185b12f0527"
+dependencies = [
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.39",
+]
+
 [[package]]
 name = "soroban-env-common"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2508a41765935d3bef43b2264667c4603725cf7ddd851321f1dc2b3bca8bb88"
+checksum = "5bb493483fa3e3ebfb4c081472495d14b0abcfbe04ba142a56ff63056cc62700"
 dependencies = [
  "arbitrary",
  "crate-git-revision",
@@ -968,9 +1016,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-guest"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b41f1b3ebb747487ff9920822112a5816030e053734ed63c05f1a7db476f2768"
+checksum = "3f31a738ef5faf4084c4b1824a8e3f93dfff0261a3909e86060f818e728479a3"
 dependencies = [
  "soroban-env-common",
  "static_assertions",
@@ -978,13 +1026,16 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-host"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "347fc729270de2fc8e312ba1872ef90fdc8dfcd0dacdd07a3bb7a038c41ea6d6"
+checksum = "bdd1172a76c0bc2ce67ec7f28ca37dddbe9fefabe583f80434f5f60aaee3547e"
 dependencies = [
  "backtrace",
+ "curve25519-dalek",
  "ed25519-dalek",
  "getrandom",
+ "hex-literal",
+ "hmac",
  "k256",
  "num-derive",
  "num-integer",
@@ -993,8 +1044,8 @@ dependencies = [
  "rand_chacha",
  "sha2",
  "sha3",
+ "soroban-builtin-sdk-macros",
  "soroban-env-common",
- "soroban-native-sdk-macros",
  "soroban-wasmi",
  "static_assertions",
  "stellar-strkey",
@@ -1002,9 +1053,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f16b7a75d77ae47143a07f92a35661c21e965f63bb4362d8491188a993687745"
+checksum = "5c0536648cea69ab3bae1801d35f92c0a31e7449cd2c7d14a18fb5e413f43279"
 dependencies = [
  "itertools",
  "proc-macro2",
@@ -1012,45 +1063,36 @@ dependencies = [
  "serde",
  "serde_json",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "soroban-ledger-snapshot"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d202c5870aeec1cb97bfd06a94b8fe691c513ba6da8638deb07d8660e90056ba"
+checksum = "37960eec21d7dc5dbd976fa16e38c056429663a89243798486b07afbb263c9b5"
 dependencies = [
  "serde",
  "serde_json",
+ "serde_with",
  "soroban-env-common",
  "soroban-env-host",
  "thiserror",
 ]
 
-[[package]]
-name = "soroban-native-sdk-macros"
-version = "20.0.0-rc2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe8cf96e5c9308347bc6fa0735d0591475a20b43ed00f96ad2df623bbe9c1e88"
-dependencies = [
- "itertools",
- "proc-macro2",
- "quote",
- "syn 2.0.15",
-]
-
 [[package]]
 name = "soroban-sdk"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d771d43a66ba0df14ff28ac1b37a6568da00afa12f28273a67fe92853ab28f8"
+checksum = "f08e1fdb18dbee88160ea6640962faf021a49f22eb1bd212c4d8b0cef32c582c"
 dependencies = [
  "arbitrary",
  "bytes-lit",
  "ctor",
  "ed25519-dalek",
  "rand",
+ "serde",
+ "serde_json",
  "soroban-env-guest",
  "soroban-env-host",
  "soroban-ledger-snapshot",
@@ -1060,9 +1102,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-sdk-macros"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf5a6dd2e08217fdd75f3f849256dda2614badda9095df233a47c7c8f9783493"
+checksum = "6c5cae44f304f2fd32f9cfa9a31a9b58eb1c10aa07a7d5b591921cf7fa649e44"
 dependencies = [
  "crate-git-revision",
  "darling",
@@ -1075,14 +1117,14 @@ dependencies = [
  "soroban-spec",
  "soroban-spec-rust",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
 name = "soroban-spec"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e2a55aab81d7cd1df66f85de3d815fb08fc5fa412270dc374e031e27528c711"
+checksum = "7539cfa0abe36f3d33c49fe1253f6b652c91c9a9841fe83dedc1799b7f4bb55f"
 dependencies = [
  "base64 0.13.1",
  "stellar-xdr",
@@ -1092,9 +1134,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-spec-rust"
-version = "20.0.0-rc2"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1bcfa549d3362e6eafa3a51ad29d571f3dbae2cb9fe33d9f94c00a9f742f71df"
+checksum = "eb6189ef3ede0061db14b0cf9fa2692a2cb6c6e8d941689f0c9ca82b68c47ab2"
 dependencies = [
  "prettyplease",
  "proc-macro2",
@@ -1102,7 +1144,7 @@ dependencies = [
  "sha2",
  "soroban-spec",
  "stellar-xdr",
- "syn 2.0.15",
+ "syn 2.0.39",
  "thiserror",
 ]
 
@@ -1115,9 +1157,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-wasmi"
-version = "0.31.0-soroban1"
+version = "0.31.1-soroban.20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b6e3e79c1f227ec98ea1e8fbf43d0267b9ca748616c9c8c0162fa2a8ca4d5d2"
+checksum = "c1aaa682a67cbd2173f1d60cb1e7b951d490d7c4e0b7b6f5387cbb952e963c46"
 dependencies = [
  "smallvec",
  "spin",
@@ -1150,26 +1192,29 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "stellar-strkey"
-version = "0.0.7"
+version = "0.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c0689070126ca7f2effc2c5726584446db52190f0cef043c02eb4040a711c11"
+checksum = "12d2bf45e114117ea91d820a846fd1afbe3ba7d717988fee094ce8227a3bf8bd"
 dependencies = [
  "base32",
+ "crate-git-revision",
  "thiserror",
 ]
 
 [[package]]
 name = "stellar-xdr"
-version = "20.0.0-rc1"
+version = "20.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e09a3734914a7427dbcd4f06b6dcd2b1cf38e934202f6abe4d73658f718b6113"
+checksum = "9595b775539e475da4179fa46212b11e4575f526d57b13308989a8c1dd59238c"
 dependencies = [
  "arbitrary",
  "base64 0.13.1",
  "crate-git-revision",
+ "escape-bytes",
  "hex",
  "serde",
  "serde_with",
+ "stellar-strkey",
 ]
 
 [[package]]
@@ -1197,9 +1242,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.15"
+version = "2.0.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a34fcf3e8b60f57e6a14301a2e916d323af98b0ea63c599441eec8558660c822"
+checksum = "23e78b90f2fcf45d3e842032ce32e3f2d1545ba6636271dcbf24fa306d87be7a"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1232,7 +1277,7 @@ checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.39",
 ]
 
 [[package]]
@@ -1370,7 +1415,7 @@ version = "0.88.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb8cf7dd82407fe68161bedcd57fde15596f32ebf6e9b3bdbf3ae1da20e38e5e"
 dependencies = [
- "indexmap",
+ "indexmap 1.9.3",
 ]
 
 [[package]]
diff --git a/upgradeable_contract/old_contract/Cargo.toml b/upgradeable_contract/old_contract/Cargo.toml
index 8c8baad6..aeed7b9c 100644
--- a/upgradeable_contract/old_contract/Cargo.toml
+++ b/upgradeable_contract/old_contract/Cargo.toml
@@ -11,10 +11,10 @@ crate-type = ["cdylib"]
 doctest = false
 
 [dependencies]
-soroban-sdk = { version = "20.0.0-rc2" }
+soroban-sdk = { version = "20.0.0" }
 
 [dev_dependencies]
-soroban-sdk = { version = "20.0.0-rc2", features = ["testutils"] }
+soroban-sdk = { version = "20.0.0", features = ["testutils"] }
 
 [profile.release]
 opt-level = "z"
diff --git a/upgradeable_contract/old_contract/src/test.rs b/upgradeable_contract/old_contract/src/test.rs
index 1c43a382..605c207b 100644
--- a/upgradeable_contract/old_contract/src/test.rs
+++ b/upgradeable_contract/old_contract/src/test.rs
@@ -29,7 +29,7 @@ fn test() {
     let contract_id = env.register_contract_wasm(None, old_contract::WASM);
 
     let client = old_contract::Client::new(&env, &contract_id);
-    let admin = Address::random(&env);
+    let admin = Address::generate(&env);
     client.init(&admin);
 
     assert_eq!(1, client.version());