diff --git a/core/vm/state_manager.go b/core/vm/state_manager.go index b379b4e6da..ee6d7e680a 100644 --- a/core/vm/state_manager.go +++ b/core/vm/state_manager.go @@ -20,6 +20,7 @@ var funcs = map[string]stateManagerFunction{ "setStorage(address,bytes32,bytes32)": setStorage, "deployContract(address,bytes,bool,address)": deployContract, "getOvmContractNonce(address)": getOvmContractNonce, + "getCodeContractBytecode(address)": getCodeContractBytecode, "incrementOvmContractNonce(address)": incrementOvmContractNonce, } var methodIds map[[4]byte]stateManagerFunction @@ -60,6 +61,12 @@ func getStorage(evm *EVM, contract *Contract, input []byte) (ret []byte, err err return val.Bytes(), nil } +func getCodeContractBytecode(evm *EVM, contract *Contract, input []byte) (ret []byte, err error) { + address := common.BytesToAddress(input[4:36]) + code := evm.StateDB.GetCode(address) + return code, nil +} + func getOvmContractNonce(evm *EVM, contract *Contract, input []byte) (ret []byte, err error) { address := common.BytesToAddress(input[4:36]) b := make([]byte, 8) @@ -81,6 +88,6 @@ func deployContract(evm *EVM, contract *Contract, input []byte) (ret []byte, err initCodeLength := binary.BigEndian.Uint32(input[160:164]) initCode := input[164 : 164+initCodeLength] callerContractRef := &Contract{self: AccountRef(callerAddress)} - returnVal, _, _, _ := evm.OvmCreate(callerContractRef, address, initCode, 0, bigZero) + returnVal, _, _, err := evm.OvmCreate(callerContractRef, address, initCode, contract.Gas, bigZero) return returnVal, nil } diff --git a/tests/ovm_test.go b/tests/ovm_test.go index 436e01e104..f3ed05029b 100644 --- a/tests/ovm_test.go +++ b/tests/ovm_test.go @@ -98,6 +98,23 @@ func TestGetAndIncrementNonce(t *testing.T) { } } +func TestGetCodeContractBytecode(t *testing.T) { + state := newState() + initCode, _ := hex.DecodeString("6080604052348015600f57600080fd5b5060b28061001e6000396000f3fe6080604052348015600f57600080fd5b506004361060285760003560e01c80639b0b0fda14602d575b600080fd5b606060048036036040811015604157600080fd5b8101908080359060200190929190803590602001909291905050506062565b005b8060008084815260200190815260200160002081905550505056fea265627a7a7231582053ac32a8b70d1cf87fb4ebf5a538ea9d9e773351e6c8afbc4bf6a6c273187f4a64736f6c63430005110032") + rawStateManagerAbi, _ := ioutil.ReadFile("./StateManagerABI.json") + stateManagerAbi, _ := abi.JSON(strings.NewReader(string(rawStateManagerAbi))) + address := common.HexToAddress("9999999999999999999999999999999999999999") + callerAddress := common.HexToAddress("42") + deployContractCalldata, _ := stateManagerAbi.Pack("deployContract", address, initCode, true, callerAddress) + call(t, state, vm.StateManagerAddress, deployContractCalldata) + getCodeContractBytecodeCalldata, _ := stateManagerAbi.Pack("getCodeContractBytecode", address) + getCodeContractBytecodeReturnValue, _ := call(t, state, vm.StateManagerAddress, getCodeContractBytecodeCalldata) + expectedCreatedCode := common.FromHex("6080604052348015600f57600080fd5b506004361060285760003560e01c80639b0b0fda14602d575b600080fd5b606060048036036040811015604157600080fd5b8101908080359060200190929190803590602001909291905050506062565b005b8060008084815260200190815260200160002081905550505056fea265627a7a7231582053ac32a8b70d1cf87fb4ebf5a538ea9d9e773351e6c8afbc4bf6a6c273187f4a64736f6c63430005110032") + if !bytes.Equal(getCodeContractBytecodeReturnValue, expectedCreatedCode) { + t.Errorf("Expected %020x; got %020x", getCodeContractBytecodeReturnValue, expectedCreatedCode) + } +} + func makeUint256WithUint64(num uint64) []byte { b := make([]byte, 8) binary.BigEndian.PutUint64(b, num)