diff --git a/core/vm/state_manager.go b/core/vm/state_manager.go index aa2b40200a..b0ac7005de 100644 --- a/core/vm/state_manager.go +++ b/core/vm/state_manager.go @@ -22,6 +22,7 @@ var funcs = map[string]stateManagerFunction{ "getOvmContractNonce(address)": getOvmContractNonce, "getCodeContractBytecode(address)": getCodeContractBytecode, "getCodeContractHash(address)": getCodeContractHash, + "getCodeContractAddress(address)": getCodeContractAddress, "incrementOvmContractNonce(address)": incrementOvmContractNonce, } var methodIds map[[4]byte]stateManagerFunction @@ -74,6 +75,11 @@ func getCodeContractHash(evm *EVM, contract *Contract, input []byte) (ret []byte return codeHash.Bytes(), nil } +func getCodeContractAddress(evm *EVM, contract *Contract, input []byte) (ret []byte, err error) { + address := input[4:36] + return address, nil +} + func getOvmContractNonce(evm *EVM, contract *Contract, input []byte) (ret []byte, err error) { address := common.BytesToAddress(input[4:36]) b := make([]byte, 8) diff --git a/tests/ovm_test.go b/tests/ovm_test.go index 9100851f0a..388a41e704 100644 --- a/tests/ovm_test.go +++ b/tests/ovm_test.go @@ -99,6 +99,22 @@ func TestGetAndIncrementNonce(t *testing.T) { } } +func TestGetCodeContractAddress(t *testing.T) { + rawStateManagerAbi, _ := ioutil.ReadFile("./StateManagerABI.json") + stateManagerAbi, _ := abi.JSON(strings.NewReader(string(rawStateManagerAbi))) + state := newState() + + address := common.HexToAddress("9999999999999999999999999999999999999999") + + getCodeContractAddressCalldata, _ := stateManagerAbi.Pack("getCodeContractAddress", address) + + getCodeContractAddressReturnValue, _ := call(t, state, vm.StateManagerAddress, getCodeContractAddressCalldata) + + if !bytes.Equal(getCodeContractAddressReturnValue, address.Bytes()) { + t.Errorf("Expected %020x; got %020x", getCodeContractAddressReturnValue, address.Bytes()) + } +} + func TestGetCodeContractBytecode(t *testing.T) { state := newState() initCode, _ := hex.DecodeString("6080604052348015600f57600080fd5b5060b28061001e6000396000f3fe6080604052348015600f57600080fd5b506004361060285760003560e01c80639b0b0fda14602d575b600080fd5b606060048036036040811015604157600080fd5b8101908080359060200190929190803590602001909291905050506062565b005b8060008084815260200190815260200160002081905550505056fea265627a7a7231582053ac32a8b70d1cf87fb4ebf5a538ea9d9e773351e6c8afbc4bf6a6c273187f4a64736f6c63430005110032")