Apply suggestions from code review

This commit is contained in:
Guillaume Ballet 2025-04-08 14:07:22 +02:00
parent 00c8108e71
commit 0c99260e4d

View file

@ -251,8 +251,8 @@ func (w *trezorDriver) trezorSign(derivationPath []uint32, tx *types.Transaction
// Extract the Ethereum signature and do a sanity validation
if len(response.GetSignatureR()) == 0 || len(response.GetSignatureS()) == 0 {
return common.Address{}, nil, errors.New("reply lacks signature")
} else if response.GetSignatureV() == 0 && int(chainID.Int64()) < 2147483630 {
// for chainId >= 2147483630, Trezor returns signature bit only
} else if response.GetSignatureV() == 0 && int(chainID.Int64()) < uint32 {
// for chainId >= (MaxUint32-36)/2, Trezor returns signature bit only
// https://github.com/trezor/trezor-mcu/pull/399
return common.Address{}, nil, errors.New("reply lacks signature")
}
@ -265,6 +265,8 @@ func (w *trezorDriver) trezorSign(derivationPath []uint32, tx *types.Transaction
} else {
// Trezor backend does not support typed transactions yet.
signer = types.NewEIP155Signer(chainID)
// if chainId is above (MaxUint32 - 36) / 2 then the final v values is returned
// directly. Otherwise, the returned value is 35 + chainid * 2.
if signature[64] > 1 {
signature[64] -= byte(chainID.Uint64()*2 + 35)
}