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cleanup

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Signed-off-by: Guillaume Ballet <3272758+gballet@users.noreply.github.com>
This commit is contained in:
Guillaume Ballet 2025-04-08 14:30:11 +02:00
parent 0c99260e4d
commit e0bb2b67cf
1 changed files with 3 additions and 2 deletions
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5
accounts/usbwallet/trezor.go
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@ -25,6 +25,7 @@ import (
"errors"
"fmt"
"io"
"math"
"math/big"
"github.com/ethereum/go-ethereum/accounts"
@ -251,7 +252,7 @@ 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()) < uint32 {
} else if response.GetSignatureV() == 0 && int(chainID.Int64()) <= (math.MaxUint32-36)/2 {
// 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")
@ -267,7 +268,7 @@ func (w *trezorDriver) trezorSign(derivationPath []uint32, tx *types.Transaction
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 {
if signature[64] > 1 && int(chainID.Int64()) <= (math.MaxUint32-36)/2 {
signature[64] -= byte(chainID.Uint64()*2 + 35)
}
}