feat: support more cointypes

iotaledger · Sep 5, 2024 · 509b968 · 509b968
1 parent fe729ce
commit 509b968
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Showing 2 changed files with 7 additions and 2 deletions.
diff --git a/rust-app/Cargo.toml b/rust-app/Cargo.toml
@@ -57,7 +57,8 @@ overflow-checks = false
 
 [package.metadata.ledger]
 name = "IOTA"
-path = ["44'/4218'"]
+# Testnet, IOTA, Shimmer
+path = ["44'/1'", "44'/4218'", "44'/4219'"]
 curve = ["ed25519"]
 flags = "0"
 

diff --git a/rust-app/src/implementation.rs b/rust-app/src/implementation.rs
@@ -56,13 +56,17 @@ pub type BipParserImplT =
 pub const BIP_PATH_PARSER: BipParserImplT = SubInterp(DefaultInterp);
 
 // Need a path of length 5, as make_bip32_path panics with smaller paths
+pub const BIP32_TESTNET_PREFIX: [u32; 5] =
+    ledger_device_sdk::ecc::make_bip32_path(b"m/44'/1'/123'/0'/0'");
 pub const BIP32_IOTA_PREFIX: [u32; 5] =
     ledger_device_sdk::ecc::make_bip32_path(b"m/44'/4218'/123'/0'/0'");
 pub const BIP32_SMR_PREFIX: [u32; 5] =
     ledger_device_sdk::ecc::make_bip32_path(b"m/44'/4219'/123'/0'/0'");
 
 fn is_bip_prefix_valid(path: &[u32]) -> bool {
-    path.starts_with(&BIP32_IOTA_PREFIX[0..2]) || path.starts_with(&BIP32_SMR_PREFIX[0..2])
+    path.starts_with(&BIP32_TESTNET_PREFIX[0..2])
+        || path.starts_with(&BIP32_IOTA_PREFIX[0..2])
+        || path.starts_with(&BIP32_SMR_PREFIX[0..2])
 }
 
 pub async fn get_address_apdu(io: HostIO, prompt: bool) {