From 1a971450aa0f8d80f620428f0bbae4df24531395 Mon Sep 17 00:00:00 2001
From: Steve Myers <steve@notmandatory.org>
Date: Fri, 4 Aug 2023 18:19:33 -0500
Subject: [PATCH] ci: remove workspace and fix ci to test lib with MSRV 1.57.0

---
 .github/workflows/rust.yml           |   40 +-
 .gitignore                           |    2 +-
 Cargo.toml                           |    2 -
 README.md                            |   11 +
 Cargo.lock => payjoin-cli/Cargo.lock |  331 ++-----
 payjoin/Cargo.lock                   | 1258 ++++++++++++++++++++++++++
 6 files changed, 1354 insertions(+), 290 deletions(-)
 delete mode 100644 Cargo.toml
 rename Cargo.lock => payjoin-cli/Cargo.lock (87%)
 create mode 100644 payjoin/Cargo.lock

diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 165dc591..b426fa67 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -6,10 +6,16 @@ jobs:
 
   test-lib:
     runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: payjoin
     strategy:
       fail-fast: false
       matrix:
-        rust: [stable, nightly]
+        rust:
+          - 1.57.0 # MSRV
+          - stable
+          - nightly
 
     steps:
       - uses: actions/checkout@v2
@@ -18,14 +24,20 @@ jobs:
         with:
           toolchain: ${{ matrix.rust }}
           override: true
+      - name: Fixes for MSRV
+        if: matrix.rust == '1.57.0'
+        run: |
+          cargo update
+          cargo update -p log --precise 0.4.18
+          cargo update -p tempfile --precise 3.6.0
       - name: test
-        uses: actions-rs/cargo@v1
-        with:
-          command: test
-          args: --verbose --all-features --lib --manifest-path payjoin/Cargo.toml
+        run: cargo test --verbose --all-features --lib
 
   build-payjoin-cli:
     runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: payjoin-cli
     strategy:
       fail-fast: false
       matrix:
@@ -38,26 +50,26 @@ jobs:
         with:
           toolchain: ${{ matrix.rust }}
           override: true
-      - run: cd payjoin-cli
-      - name: build payjoin example
-        uses: actions-rs/cargo@v1
-        with:
-          command: build
-          args: --manifest-path payjoin-cli/Cargo.toml
+      - name: build payjoin cli example
+        run: |
+          cargo build
 
   fmt:
     runs-on: ubuntu-latest
     strategy:
       fail-fast: true
       matrix:
-        rust: [nightly]
+        package: [payjoin, payjoin-cli]
 
     steps:
       - uses: actions/checkout@v2
       - uses: Swatinem/rust-cache@v1.2.0
       - uses: actions-rs/toolchain@v1
         with:
-          toolchain: ${{ matrix.rust }}
+          toolchain: nightly
           override: true
       - run: rustup component add rustfmt --toolchain nightly-x86_64-unknown-linux-gnu
-      - run: cargo fmt --all -- --check
+      - name: fmt check
+        run: |
+          cd ${{ matrix.package }}
+          cargo fmt --all -- --check
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index 1b482004..7292d7b3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,2 @@
-/target
+target
 *config.toml
\ No newline at end of file
diff --git a/Cargo.toml b/Cargo.toml
deleted file mode 100644
index 427cff3d..00000000
--- a/Cargo.toml
+++ /dev/null
@@ -1,2 +0,0 @@
-[workspace]
-members = ["payjoin", "payjoin-cli"]
diff --git a/README.md b/README.md
index a35d2967..6f4e357c 100644
--- a/README.md
+++ b/README.md
@@ -70,6 +70,17 @@ Seeking review of the code that verifies there is no overpayment. Contributions
 - [ ] Fuzzing
 - [ ] Coverage measurement
 
+## Minimum Supported Rust Version (MSRV)
+
+The `payjoin` library should always compile with any combination of features on Rust **1.57.0**.
+
+To build and test with the MSRV you will need to pin the below dependency versions:
+
+```shell
+cargo update -p log --precise 0.4.18
+cargo update -p tempfile --precise 3.6.0
+```
+
 ## License
 
 MIT
diff --git a/Cargo.lock b/payjoin-cli/Cargo.lock
similarity index 87%
rename from Cargo.lock
rename to payjoin-cli/Cargo.lock
index b669c1b8..139137f6 100644
--- a/Cargo.lock
+++ b/payjoin-cli/Cargo.lock
@@ -244,7 +244,7 @@ checksum = "9d6c0ee9354e3dac217db4cb1dd31941073a87fe53c86bcf3eb2b8bc97f00a08"
 dependencies = [
  "bitcoin-private",
  "bitcoincore-rpc-json",
- "jsonrpc 0.14.1",
+ "jsonrpc",
  "log",
  "serde",
  "serde_json",
@@ -262,24 +262,6 @@ dependencies = [
  "serde_json",
 ]
 
-[[package]]
-name = "bitcoind"
-version = "0.31.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "395fe8137d13c6859fa68421779cd5a4db8cd7b0ef3122537e56f7a49a0598a9"
-dependencies = [
- "anyhow",
- "bitcoin_hashes",
- "core-rpc",
- "flate2",
- "log",
- "minreq",
- "tar",
- "tempfile",
- "which",
- "zip",
-]
-
 [[package]]
 name = "bitflags"
 version = "1.3.2"
@@ -338,12 +320,6 @@ version = "3.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a3e2c3daef883ecc1b5d58c15adae93470a91d425f3532ba1695849656af3fc1"
 
-[[package]]
-name = "byteorder"
-version = "1.4.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
-
 [[package]]
 name = "bytes"
 version = "1.4.0"
@@ -351,32 +327,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "89b2fd2a0dcf38d7971e2194b6b6eebab45ae01067456a7fd93d5547a61b70be"
 
 [[package]]
-name = "bzip2"
-version = "0.4.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bdb116a6ef3f6c3698828873ad02c3014b3c85cadb88496095628e3ef1e347f8"
-dependencies = [
- "bzip2-sys",
- "libc",
-]
-
-[[package]]
-name = "bzip2-sys"
-version = "0.1.11+1.0.8"
+name = "cc"
+version = "1.0.81"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "736a955f3fa7875102d57c82b8cac37ec45224a07fd32d58f9f7a186b6cd4cdc"
+checksum = "6c6b2562119bf28c3439f7f02db99faf0aa1a8cdfe5772a2ee155d32227239f0"
 dependencies = [
- "cc",
  "libc",
- "pkg-config",
 ]
 
-[[package]]
-name = "cc"
-version = "1.0.79"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "50d30906286121d95be3d479533b458f87493b30a4b5f79a607db8f5d11aa91f"
-
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@@ -469,32 +427,6 @@ version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e496a50fda8aacccc86d7529e2c1e0892dbd0f898a6b5645b5561b89c3210efa"
 
-[[package]]
-name = "core-rpc"
-version = "0.17.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "26d77079e1b71c2778d6e1daf191adadcd4ff5ec3ccad8298a79061d865b235b"
-dependencies = [
- "bitcoin-private",
- "core-rpc-json",
- "jsonrpc 0.13.0",
- "log",
- "serde",
- "serde_json",
-]
-
-[[package]]
-name = "core-rpc-json"
-version = "0.17.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "581898ed9a83f31c64731b1d8ca2dfffcfec14edf1635afacd5234cddbde3a41"
-dependencies = [
- "bitcoin",
- "bitcoin-private",
- "serde",
- "serde_json",
-]
-
 [[package]]
 name = "cpufeatures"
 version = "0.2.9"
@@ -533,6 +465,12 @@ dependencies = [
  "gzip-header",
 ]
 
+[[package]]
+name = "deranged"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7684a49fb1af197853ef7b2ee694bc1f5b4179556f1e5710e1760c5db6f5e929"
+
 [[package]]
 name = "digest"
 version = "0.10.7"
@@ -549,12 +487,6 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0688c2a7f92e427f44895cd63841bff7b29f8d7a1648b9e7e07a4a365b2e1257"
 
-[[package]]
-name = "either"
-version = "1.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a26ae43d7bcc3b814de94796a5e736d4029efb0ee900c12e2d54c993ad1a1e07"
-
 [[package]]
 name = "encoding_rs"
 version = "0.8.32"
@@ -579,9 +511,9 @@ dependencies = [
 
 [[package]]
 name = "errno"
-version = "0.3.1"
+version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4bcfec3a70f97c962c307b2d2c56e358cf1d00b558d74262b5f929ee8cc7e73a"
+checksum = "6b30f669a7961ef1631673d2766cc92f52d64f7ef354d4fe0ddfd30ed52f0f4f"
 dependencies = [
  "errno-dragonfly",
  "libc",
@@ -606,26 +538,16 @@ checksum = "6999dc1837253364c2ebb0704ba97994bd874e8f195d665c50b7548f6ea92764"
 
 [[package]]
 name = "filetime"
-version = "0.2.21"
+version = "0.2.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5cbc844cecaee9d4443931972e1289c8ff485cb4cc2767cb03ca139ed6885153"
+checksum = "d4029edd3e734da6fe05b6cd7bd2960760a616bd2ddd0d59a0124746d6272af0"
 dependencies = [
  "cfg-if",
  "libc",
- "redox_syscall 0.2.16",
+ "redox_syscall",
  "windows-sys",
 ]
 
-[[package]]
-name = "flate2"
-version = "1.0.26"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3b9429470923de8e8cbd4d2dc513535400b4b3fef0319fb5c4e1f520a7bef743"
-dependencies = [
- "crc32fast",
- "miniz_oxide",
-]
-
 [[package]]
 name = "fnv"
 version = "1.0.7"
@@ -722,7 +644,7 @@ checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
 dependencies = [
  "cfg-if",
  "libc",
- "wasi 0.11.0+wasi-snapshot-preview1",
+ "wasi",
 ]
 
 [[package]]
@@ -952,17 +874,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "jsonrpc"
-version = "0.13.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fd8d6b3f301ba426b30feca834a2a18d48d5b54e5065496b5c1b05537bee3639"
-dependencies = [
- "base64 0.13.1",
- "serde",
- "serde_json",
-]
-
 [[package]]
 name = "jsonrpc"
 version = "0.14.1"
@@ -994,9 +905,9 @@ checksum = "0717cef1bc8b636c6e1c1bbdefc09e6322da8a9321966e8928ef80d20f7f770f"
 
 [[package]]
 name = "linux-raw-sys"
-version = "0.4.3"
+version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "09fc20d2ca12cb9f044c93e3bd6d32d523e6e2ec3db4f7b2939cd99026ecd3f0"
+checksum = "57bcfdad1b858c2db7c38303a6d2ad4dfaf5eb53dfeb0910128b2c26d6158503"
 
 [[package]]
 name = "log"
@@ -1041,19 +952,6 @@ dependencies = [
  "adler",
 ]
 
-[[package]]
-name = "minreq"
-version = "2.8.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3de406eeb24aba36ed3829532fa01649129677186b44a49debec0ec574ca7da7"
-dependencies = [
- "log",
- "once_cell",
- "rustls",
- "webpki",
- "webpki-roots",
-]
-
 [[package]]
 name = "mio"
 version = "0.8.8"
@@ -1061,7 +959,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "927a765cd3fc26206e66b296465fa9d3e5ab003e651c1b3c060e7956d96b19d2"
 dependencies = [
  "libc",
- "wasi 0.11.0+wasi-snapshot-preview1",
+ "wasi",
  "windows-sys",
 ]
 
@@ -1156,9 +1054,9 @@ checksum = "dd8b5dd2ae5ed71462c540258bedcb51965123ad7e7ccf4b9a8cafaa4a63576d"
 
 [[package]]
 name = "openssl"
-version = "0.10.55"
+version = "0.10.56"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "345df152bc43501c5eb9e4654ff05f794effb78d4efe3d53abc158baddc0703d"
+checksum = "729b745ad4a5575dd06a3e1af1414bd330ee561c01b3899eb584baeaa8def17e"
 dependencies = [
  "bitflags 1.3.2",
  "cfg-if",
@@ -1188,18 +1086,18 @@ checksum = "ff011a302c396a5197692431fc1948019154afc178baf7d8e37367442a4601cf"
 
 [[package]]
 name = "openssl-src"
-version = "111.26.0+1.1.1u"
+version = "111.27.0+1.1.1v"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "efc62c9f12b22b8f5208c23a7200a442b2e5999f8bdf80233852122b5a4f6f37"
+checksum = "06e8f197c82d7511c5b014030c9b1efeda40d7d5f99d23b4ceed3524a5e63f02"
 dependencies = [
  "cc",
 ]
 
 [[package]]
 name = "openssl-sys"
-version = "0.9.90"
+version = "0.9.91"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "374533b0e45f3a7ced10fcaeccca020e66656bc03dac384f852e4e5a7a8104a6"
+checksum = "866b5f16f90776b9bb8dc1e1802ac6f0513de3a7a7465867bfbc563dc737faac"
 dependencies = [
  "cc",
  "libc",
@@ -1230,8 +1128,6 @@ version = "0.9.0"
 dependencies = [
  "bip21",
  "bitcoin",
- "bitcoind",
- "env_logger",
  "log",
  "rand",
  "url",
@@ -1280,9 +1176,9 @@ checksum = "3637c05577168127568a64e9dc5a6887da720efef07b3d9472d45f63ab191166"
 
 [[package]]
 name = "pest"
-version = "2.7.1"
+version = "2.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0d2d1d55045829d65aad9d389139882ad623b33b904e7c9f1b10c5b8927298e5"
+checksum = "1acb4a4365a13f749a93f1a094a7805e5cfa0955373a9de860d962eaa3a5fe5a"
 dependencies = [
  "thiserror",
  "ucd-trie",
@@ -1290,9 +1186,9 @@ dependencies = [
 
 [[package]]
 name = "pest_derive"
-version = "2.7.1"
+version = "2.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5f94bca7e7a599d89dea5dfa309e217e7906c3c007fb9c3299c40b10d6a315d3"
+checksum = "666d00490d4ac815001da55838c500eafb0320019bbaa44444137c48b443a853"
 dependencies = [
  "pest",
  "pest_generator",
@@ -1300,9 +1196,9 @@ dependencies = [
 
 [[package]]
 name = "pest_generator"
-version = "2.7.1"
+version = "2.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "99d490fe7e8556575ff6911e45567ab95e71617f43781e5c05490dc8d75c965c"
+checksum = "68ca01446f50dbda87c1786af8770d535423fa8a53aec03b8f4e3d7eb10e0929"
 dependencies = [
  "pest",
  "pest_meta",
@@ -1313,9 +1209,9 @@ dependencies = [
 
 [[package]]
 name = "pest_meta"
-version = "2.7.1"
+version = "2.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2674c66ebb4b4d9036012091b537aae5878970d6999f81a265034d85b136b341"
+checksum = "56af0a30af74d0445c0bf6d9d051c979b516a1a5af790d251daee76005420a48"
 dependencies = [
  "once_cell",
  "pest",
@@ -1324,9 +1220,9 @@ dependencies = [
 
 [[package]]
 name = "pin-project-lite"
-version = "0.2.10"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c40d25201921e5ff0c862a505c6557ea88568a4e3ace775ab55e93f2f4f9d57"
+checksum = "2c516611246607d0c04186886dbb3a754368ef82c79e9827a802c6d836dd111c"
 
 [[package]]
 name = "pin-utils"
@@ -1408,19 +1304,10 @@ checksum = "4954fbc00dcd4d8282c987710e50ba513d351400dbdd00e803a05172a90d8976"
 dependencies = [
  "pem",
  "ring",
- "time 0.3.23",
+ "time",
  "yasna",
 ]
 
-[[package]]
-name = "redox_syscall"
-version = "0.2.16"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fb5a58c1855b4b6819d59012155603f0b22ad30cad752600aadfcb695265519a"
-dependencies = [
- "bitflags 1.3.2",
-]
-
 [[package]]
 name = "redox_syscall"
 version = "0.3.5"
@@ -1432,9 +1319,9 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.9.1"
+version = "1.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b2eae68fc220f7cf2532e4494aded17545fce192d59cd996e0fe7887f4ceb575"
+checksum = "81bc1d4caf89fac26a70747fe603c130093b53c773888797a6329091246d651a"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -1444,9 +1331,9 @@ dependencies = [
 
 [[package]]
 name = "regex-automata"
-version = "0.3.3"
+version = "0.3.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "39354c10dd07468c2e73926b23bb9c2caca74c5501e38a35da70406f1d923310"
+checksum = "fed1ceff11a1dddaee50c9dc8e4938bd106e9d89ae372f192311e7da498e3b69"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -1541,7 +1428,7 @@ dependencies = [
  "serde_json",
  "sha1_smol",
  "threadpool",
- "time 0.3.23",
+ "time",
  "tiny_http",
  "url",
 ]
@@ -1564,9 +1451,9 @@ checksum = "d626bb9dae77e28219937af045c257c28bfd3f69333c512553507f5f9798cb76"
 
 [[package]]
 name = "rustix"
-version = "0.38.4"
+version = "0.38.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0a962918ea88d644592894bc6dc55acc6c0956488adcebbfb6e273506b7fd6e5"
+checksum = "172891ebdceb05aa0005f533a6cbfca599ddd7d966f6f5d4d9b2e70478e70399"
 dependencies = [
  "bitflags 2.3.3",
  "errno",
@@ -1575,18 +1462,6 @@ dependencies = [
  "windows-sys",
 ]
 
-[[package]]
-name = "rustls"
-version = "0.20.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fff78fc74d175294f4e83b28343315ffcfb114b156f0185e9741cb5570f50e2f"
-dependencies = [
- "log",
- "ring",
- "sct",
- "webpki",
-]
-
 [[package]]
 name = "ryu"
 version = "1.0.15"
@@ -1608,16 +1483,6 @@ dependencies = [
  "windows-sys",
 ]
 
-[[package]]
-name = "sct"
-version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d53dcdb7c9f8158937a7981b48accfd39a43af418591a5d008c7b22b5e1b7ca4"
-dependencies = [
- "ring",
- "untrusted",
-]
-
 [[package]]
 name = "secp256k1"
 version = "0.27.0"
@@ -1664,18 +1529,18 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.175"
+version = "1.0.182"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5d25439cd7397d044e2748a6fe2432b5e85db703d6d097bd014b3c0ad1ebff0b"
+checksum = "bdb30a74471f5b7a1fa299f40b4bf1be93af61116df95465b2b5fc419331e430"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
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