Merge pull request #4 from thesis/fix-withdrawal-domain-hash-calculat…

…ion-testnet

Update Chain ID for testnet domain hash calculation in withdrawal signing
https://ledgerhq.atlassian.net/browse/B2CA-1833

Makefile

@@ -47,7 +47,7 @@ PATH_APP_LOAD_PARAMS = ""
 # Application version
 APPVERSION_M = 1
 APPVERSION_N = 1
-APPVERSION_P = 4
+APPVERSION_P = 5
 APPVERSION_SUFFIX = # if not empty, appended at the end. Do not add a dash.
 
 ifeq ($(APPVERSION_SUFFIX),)

src/handler/withdraw.c

@@ -60,14 +60,16 @@ static unsigned char const BSM_SIGN_MAGIC[] = {'\x18', 'B', 'i', 't', 'c', 'o',
 #error "COIN_VARIANT is not defined"
 #elif COIN_VARIANT == COIN_VARIANT_ACRE
 // Mainnet hash
+// Mainnet Chain ID - 1 (0x01)
 static const uint8_t abi_encoded_chain_id[32] = {
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01};
 #elif COIN_VARIANT == COIN_VARIANT_ACRE_TESTNET
 // Testnet hash
+// Sepolia Chain ID - 11155111 (0xaa36a7)
 static const uint8_t abi_encoded_chain_id[32] = {
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x05, 0x77};
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xaa, 0x36, 0xa7};
 #else
 #error "Unsupported COIN_VARIANT value"
 #endif
@@ -823,4 +825,4 @@ void handler_withdraw(dispatcher_context_t* dc, uint8_t protocol_version) {
         PRINTF("Error in ui_post_processing_confirm_withdraw");
     }
     return;
-}
+}

tests/test_sign_withdraw.py

@@ -22,12 +22,12 @@ def test_sign_withdraw(navigator: Navigator, firmware: Firmware, client: RaggerC
         gasToken= "0x0000000000000000000000000000000000000000",
         refundReceiver= "0x0000000000000000000000000000000000000000",
         nonce= "0x8",
-    ) # tx_hash: 0xed3a7a50496ccca6173ddd9a1ad786d61ea737b70541887ab2c2fadcbe36eeaf
+    ) # tx_hash: 0xa580c0c5a0b8e731f7b7fe8ea3ee41cf0dbe78b352b55ae090160659e2d7410c
     path = "m/44'/0'/0'/0/0"
     result = client.sign_withdraw(data, path, navigator,
                                  instructions=withdrawal_instruction_approve(firmware),
                                  testname=test_name)
-    assert result == "IEZDsLh2JweulEOzl2dgLrYvtIqWUW8gFeYdMLAYSk7PeH72uN0JQJGVCYZSpJ5HYRaKZrmSBiG3Ypl+oelXEAM="
+    assert result == "Hy2UpLBXRUkHBRfXIEYFB8PEteLtjxrqJ7kJ3Qe+i67wP0bzDkFl5Z4bYBFfT/3+xwgPrw3T0rkq6dv53Cff+p0="
 
 def test_sign_withdraw_wrong_address(navigator: Navigator, firmware: Firmware, client: RaggerClient, test_name: str):
     data = AcreWithdrawalData(