func (self *XEth) Call(fromStr, toStr, valueStr, gasStr, gasPriceStr, dataStr string) (string, string, error) { statedb := self.State().State().Copy() var from *state.StateObject if len(fromStr) == 0 { accounts, err := self.backend.AccountManager().Accounts() if err != nil || len(accounts) == 0 { from = statedb.GetOrNewStateObject(common.Address{}) } else { from = statedb.GetOrNewStateObject(accounts[0].Address) } } else { from = statedb.GetOrNewStateObject(common.HexToAddress(fromStr)) } from.SetBalance(common.MaxBig) from.SetGasLimit(common.MaxBig) msg := callmsg{ from: from, gas: common.Big(gasStr), gasPrice: common.Big(gasPriceStr), value: common.Big(valueStr), data: common.FromHex(dataStr), } if len(toStr) > 0 { addr := common.HexToAddress(toStr) msg.to = &addr } if msg.gas.Cmp(big.NewInt(0)) == 0 { msg.gas = big.NewInt(50000000) } if msg.gasPrice.Cmp(big.NewInt(0)) == 0 { msg.gasPrice = self.DefaultGasPrice() } header := self.CurrentBlock().Header() vmenv := core.NewEnv(statedb, self.backend.ChainManager(), msg, header) res, gas, err := core.ApplyMessage(vmenv, msg, from) return common.ToHex(res), gas.String(), err }