func (app *EthereumApplication) AppendTx(txBytes []byte) (retCode types.RetCode, result []byte, log string) { // decode and run tx tx := new(ethtypes.Transaction) rlpStream := rlp.NewStream(bytes.NewBuffer(txBytes), 0) if err := tx.DecodeRLP(rlpStream); err != nil { return types.RetCodeEncodingError, result, log } gpi := big.NewInt(1000000000) // a billion ... TODO: configurable gp := core.GasPool(*gpi) // XXX: this feels so wrong!? ret, gas, err := core.ApplyMessage(NewEnv(app.stateDB, tx), tx, &gp) if err != nil { if err == ethtypes.ErrInvalidSig || err == ethtypes.ErrInvalidPubKey { return types.RetCodeUnauthorized, result, err.Error() } else if core.IsNonceErr(err) { return types.RetCodeBadNonce, result, err.Error() } else if core.IsInvalidTxErr(err) { return types.RetCodeInsufficientFees, result, err.Error() // bad gas or value transfer } else { return types.RetCodeUnauthorized, result, err.Error() // bad pubkey recovery } } _, _ = ret, gas return types.RetCodeOK, result, log }