diff options
| -rw-r--r-- | plugin/evm/export_tx.go | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/plugin/evm/export_tx.go b/plugin/evm/export_tx.go index 067252a..89aa30e 100644 --- a/plugin/evm/export_tx.go +++ b/plugin/evm/export_tx.go @@ -92,12 +92,21 @@ func (tx *UnsignedExportTx) SemanticVerify( return permError{err} } + if len(tx.Ins) != len(stx.Creds) { + return permError{errSignatureInputsMismatch} + } + f := crypto.FactorySECP256K1R{} - for i, cred := range stx.Creds { + for i, input := range tx.Ins { + cred := stx.Creds[i].(*secp256k1fx.Credential) if err := cred.Verify(); err != nil { return permError{err} } - pubKey, err := f.RecoverPublicKey(tx.UnsignedBytes(), cred.(*secp256k1fx.Credential).Sigs[0][:]) + + if len(cred.Sigs) != 1 { + return permError{fmt.Errorf("expected one signature for EVM Input Credential, but found: %d", len(secpCredential.Sigs))} + } + pubKey, err := f.RecoverPublicKey(tx.UnsignedBytes(), secpCredential.Sigs[0][:]) if err != nil { return permError{err} } |