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accounts/usbwallet: add support for blob and setcode transactions (#33797)
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Browse source 
Adds Ledger signing support for BlobTxType (EIP-4844) and SetCodeTxType
(EIP-7702) transactions.

---------

Co-authored-by: Guillaume Ballet <3272758+gballet@users.noreply.github.com>
This commit is contained in:
DeFi Junkie 2026-05-21 16:31:26 +03:00 committed by GitHub
parent dc07433d87
commit 36520d8199
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
1 changed files with 22 additions and 7 deletions
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29
accounts/usbwallet/ledger.go
View file

@ -334,26 +334,41 @@ func (w *ledgerDriver) ledgerSign(derivationPath []uint32, tx *types.Transaction
err error
)
if chainID == nil {
if txrlp, err = rlp.EncodeToBytes([]interface{}{tx.Nonce(), tx.GasPrice(), tx.Gas(), tx.To(), tx.Value(), tx.Data()}); err != nil {
if txrlp, err = rlp.EncodeToBytes([]any{tx.Nonce(), tx.GasPrice(), tx.Gas(), tx.To(), tx.Value(), tx.Data()}); err != nil {
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 {
switch tx.Type() {
case types.SetCodeTxType:
if txrlp, err = rlp.EncodeToBytes([]any{chainID, tx.Nonce(), tx.GasTipCap(), tx.GasFeeCap(), tx.Gas(), tx.To(), tx.Value(), tx.Data(), tx.AccessList(), tx.SetCodeAuthorizations()}); 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 {
case types.BlobTxType:
if txrlp, err = rlp.EncodeToBytes([]any{chainID, tx.Nonce(), tx.GasTipCap(), tx.GasFeeCap(), tx.Gas(), tx.To(), tx.Value(), tx.Data(), tx.AccessList(), tx.BlobGasFeeCap(), tx.BlobHashes()}); 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 {
case types.DynamicFeeTxType:
if txrlp, err = rlp.EncodeToBytes([]any{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...)
case types.AccessListTxType:
if txrlp, err = rlp.EncodeToBytes([]any{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...)
case types.LegacyTxType:
if txrlp, err = rlp.EncodeToBytes([]any{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
}
default:
return common.Address{}, nil, fmt.Errorf("unsupported transaction type: %d", tx.Type())
}
}
payload := append(path, txrlp...)