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accounts/usbwallet: support dynamic tx (#30180) 

Adds support non-legacy transaction-signing using ledger

---------

Co-authored-by: Martin Holst Swende <martin@swende.se>
This commit is contained in:
Madhur Shrimal 2024-11-08 19:27:29 +05:30 committed by GitHub
parent 0fc9cca994
commit a6037d027f
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
1 changed files with 24 additions and 5 deletions
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21
accounts/usbwallet/ledger.go
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@ -338,10 +338,24 @@ func (w *ledgerDriver) ledgerSign(derivationPath []uint32, tx *types.Transaction
return common.Address{}, nil, err
}
} else {
if tx.Type() == types.DynamicFeeTxType {
if txrlp, err = rlp.EncodeToBytes([]interface{}{chainID, tx.Nonce(), tx.GasTipCap(), tx.GasFeeCap(), tx.Gas(), tx.To(), tx.Value(), tx.Data(), tx.AccessList()}); err != nil {
return common.Address{}, nil, err
}
// append type to transaction
txrlp = append([]byte{tx.Type()}, txrlp...)
} else if tx.Type() == types.AccessListTxType {
if txrlp, err = rlp.EncodeToBytes([]interface{}{chainID, tx.Nonce(), tx.GasPrice(), tx.Gas(), tx.To(), tx.Value(), tx.Data(), tx.AccessList()}); err != nil {
return common.Address{}, nil, err
}
// append type to transaction
txrlp = append([]byte{tx.Type()}, txrlp...)
} else if tx.Type() == types.LegacyTxType {
if txrlp, err = rlp.EncodeToBytes([]interface{}{tx.Nonce(), tx.GasPrice(), tx.Gas(), tx.To(), tx.Value(), tx.Data(), chainID, big.NewInt(0), big.NewInt(0)}); err != nil {
return common.Address{}, nil, err
}
}
}
payload := append(path, txrlp...)
// Send the request and wait for the response
@ -353,8 +367,10 @@ func (w *ledgerDriver) ledgerSign(derivationPath []uint32, tx *types.Transaction
// Chunk size selection to mitigate an underlying RLP deserialization issue on the ledger app.
// https://github.com/LedgerHQ/app-ethereum/issues/409
chunk := 255
if tx.Type() == types.LegacyTxType {
for ; len(payload)%chunk <= ledgerEip155Size; chunk-- {
}
}
for len(payload) > 0 {
// Calculate the size of the next data chunk
@ -381,9 +397,12 @@ func (w *ledgerDriver) ledgerSign(derivationPath []uint32, tx *types.Transaction
if chainID == nil {
signer = new(types.HomesteadSigner)
} else {
signer = types.NewEIP155Signer(chainID)
signer = types.LatestSignerForChainID(chainID)
// For non-legacy transactions, V is 0 or 1, no need to subtract here.
if tx.Type() == types.LegacyTxType {
signature[64] -= byte(chainID.Uint64()*2 + 35)
}
}
signed, err := tx.WithSignature(signer, signature)
if err != nil {
return common.Address{}, nil, err