public void Call_Contract_Failure()
{
var parameters = new object[] { };
var contractTxData = new ContractTxData(1, 1, (Gas)1000, uint160.One, "TestMethod", parameters);
StateTransitionResult stateTransitionResult = StateTransitionResult.Fail((Gas)100, StateTransitionErrorKind.VmError);
var fixture = new ExecutorFixture(contractTxData);
IState snapshot = fixture.State.Object.Snapshot();
fixture.StateProcessor
.Setup(s => s.Apply(snapshot, It.IsAny <ExternalCallMessage>()))
.Returns(stateTransitionResult);
var sut = new ContractExecutor(
fixture.LoggerFactory,
fixture.CallDataSerializer.Object,
fixture.ContractStateRoot.Object,
fixture.RefundProcessor.Object,
fixture.TransferProcessor.Object,
fixture.StateFactory.Object,
fixture.StateProcessor.Object,
fixture.ContractPrimitiveSerializer.Object);
IContractExecutionResult result = sut.Execute(fixture.ContractTransactionContext);
fixture.CallDataSerializer.Verify(s => s.Deserialize(fixture.Data), Times.Once);
fixture.StateFactory.Verify(sf => sf
.Create(
fixture.ContractStateRoot.Object,
It.IsAny <IBlock>(),
fixture.ContractTransactionContext.TxOutValue,
fixture.ContractTransactionContext.TransactionHash),
Times.Once);
// We only apply the message to the snapshot.
fixture.StateProcessor.Verify(sm => sm.Apply(snapshot, It.Is <ExternalCallMessage>(m =>
m.Method.Name == contractTxData.MethodName &&
m.Method.Parameters == contractTxData.MethodParameters &&
m.Amount == fixture.ContractTransactionContext.TxOutValue &&
m.From == fixture.ContractTransactionContext.Sender &&
m.To == contractTxData.ContractAddress)), Times.Once);
// We do not transition to the snapshot because the applying the message was unsuccessful.
fixture.State.Verify(sm => sm.TransitionTo(snapshot), Times.Never);
// Transfer processor is called with null for new contract address and true for reversion required.
fixture.TransferProcessor.Verify(t => t
.Process(
snapshot.ContractState,
null,
fixture.ContractTransactionContext,
snapshot.InternalTransfers,
true),
Times.Once);
fixture.RefundProcessor.Verify(t => t
.Process(
contractTxData,
fixture.MempoolFee,
fixture.ContractTransactionContext.Sender,
stateTransitionResult.GasConsumed,
false),
Times.Once);
Assert.Equal(contractTxData.ContractAddress, result.To);
Assert.Null(result.NewContractAddress);
Assert.Equal(stateTransitionResult.Error.VmError, result.ErrorMessage);
Assert.True(result.Revert);
Assert.Equal(stateTransitionResult.GasConsumed, result.GasConsumed);
Assert.Null(result.Return);
Assert.Equal(fixture.InternalTransaction, result.InternalTransaction);
Assert.Equal(fixture.Fee, (Money)result.Fee);
Assert.Equal(fixture.Refund, result.Refund);
Assert.Equal(fixture.State.Object.GetLogs(fixture.ContractPrimitiveSerializer.Object), result.Logs);
}
public void Create_Contract_Failure()
{
var contractTxData = new ContractTxData(1, 1, (Gas)1000, new byte[] { 0xAA, 0xBB, 0xCC });
StateTransitionResult stateTransitionResult = StateTransitionResult.Fail((Gas)100, StateTransitionErrorKind.VmError);
var fixture = new ExecutorFixture(contractTxData);
IState snapshot = fixture.State.Object.Snapshot();
fixture.StateProcessor
.Setup(s => s.Apply(snapshot, It.IsAny <ExternalCreateMessage>()))
.Returns(stateTransitionResult);
var sut = new ContractExecutor(
fixture.LoggerFactory,
fixture.CallDataSerializer.Object,
fixture.ContractStateRoot.Object,
fixture.RefundProcessor.Object,
fixture.TransferProcessor.Object,
fixture.StateFactory.Object,
fixture.StateProcessor.Object,
fixture.ContractPrimitiveSerializer.Object);
IContractExecutionResult result = sut.Execute(fixture.ContractTransactionContext);
fixture.CallDataSerializer.Verify(s => s.Deserialize(fixture.Data), Times.Once);
fixture.StateFactory.Verify(sf => sf
.Create(
fixture.ContractStateRoot.Object,
It.IsAny <IBlock>(),
fixture.ContractTransactionContext.TxOutValue,
fixture.ContractTransactionContext.TransactionHash),
Times.Once);
// We only apply the message to the snapshot.
fixture.StateProcessor.Verify(sm => sm.Apply(fixture.State.Object.Snapshot(),
It.Is <ExternalCreateMessage>(m =>
m.Code == contractTxData.ContractExecutionCode &&
m.Parameters == contractTxData.MethodParameters)), Times.Once);
// We do not transition to the snapshot because the applying the message was unsuccessful.
fixture.State.Verify(sm => sm.TransitionTo(fixture.State.Object.Snapshot()), Times.Never);
fixture.TransferProcessor.Verify(t => t
.Process(
snapshot.ContractState,
null,
fixture.ContractTransactionContext,
snapshot.InternalTransfers,
true),
Times.Once);
fixture.RefundProcessor.Verify(t => t
.Process(
contractTxData,
fixture.MempoolFee,
fixture.ContractTransactionContext.Sender,
It.IsAny <Gas>(),
false),
Times.Once);
Assert.Null(result.To);
Assert.Null(result.NewContractAddress);
Assert.Equal(stateTransitionResult.Error.VmError, result.ErrorMessage);
Assert.True(result.Revert);
Assert.Equal(stateTransitionResult.GasConsumed, result.GasConsumed);
Assert.Null(result.Return);
Assert.Equal(fixture.InternalTransaction, result.InternalTransaction);
Assert.Equal(fixture.Fee, (Money)result.Fee);
Assert.Equal(fixture.Refund, result.Refund);
Assert.Equal(fixture.State.Object.GetLogs(fixture.ContractPrimitiveSerializer.Object), result.Logs);
}
public void Call_Contract_Success()
{
var parameters = new object[] { };
var contractTxData = new ContractTxData(1, 1, (Gas)1000, uint160.One, "TestMethod", parameters);
VmExecutionResult vmExecutionResult = VmExecutionResult.Ok(new object(), null);
StateTransitionResult stateTransitionResult = StateTransitionResult.Ok((Gas)100, uint160.One, vmExecutionResult.Success.Result);
var fixture = new ExecutorFixture(contractTxData);
IState snapshot = fixture.State.Object.Snapshot();
fixture.StateProcessor
.Setup(s => s.Apply(snapshot, It.IsAny <ExternalCallMessage>()))
.Returns(stateTransitionResult);
var sut = new ContractExecutor(
fixture.LoggerFactory,
fixture.CallDataSerializer.Object,
fixture.ContractStateRoot.Object,
fixture.RefundProcessor.Object,
fixture.TransferProcessor.Object,
fixture.StateFactory.Object,
fixture.StateProcessor.Object,
fixture.ContractPrimitiveSerializer.Object);
IContractExecutionResult result = sut.Execute(fixture.ContractTransactionContext);
fixture.CallDataSerializer.Verify(s => s.Deserialize(fixture.ContractTransactionContext.Data), Times.Once);
fixture.StateFactory.Verify(sf => sf
.Create(
fixture.ContractStateRoot.Object,
It.IsAny <IBlock>(),
fixture.ContractTransactionContext.TxOutValue,
fixture.ContractTransactionContext.TransactionHash),
Times.Once);
// We only apply the message to the snapshot.
fixture.StateProcessor.Verify(sm => sm.Apply(snapshot, It.Is <ExternalCallMessage>(m =>
m.Method.Name == contractTxData.MethodName &&
m.Method.Parameters == contractTxData.MethodParameters &&
m.Amount == fixture.ContractTransactionContext.TxOutValue &&
m.From == fixture.ContractTransactionContext.Sender &&
m.To == contractTxData.ContractAddress)), Times.Once);
// Must transition to the snapshot.
fixture.State.Verify(sm => sm.TransitionTo(snapshot), Times.Once);
fixture.TransferProcessor.Verify(t => t
.Process(
snapshot.ContractState,
stateTransitionResult.Success.ContractAddress,
fixture.ContractTransactionContext,
snapshot.InternalTransfers,
false),
Times.Once);
fixture.RefundProcessor.Verify(t => t
.Process(
contractTxData,
fixture.MempoolFee,
fixture.ContractTransactionContext.Sender,
It.IsAny <Gas>(),
false),
Times.Once);
Assert.Equal(contractTxData.ContractAddress, result.To);
Assert.Null(result.NewContractAddress);
Assert.Null(result.ErrorMessage);
Assert.False(result.Revert);
Assert.Equal(stateTransitionResult.GasConsumed, result.GasConsumed);
Assert.Equal(stateTransitionResult.Success.ExecutionResult, result.Return);
Assert.Equal(fixture.InternalTransaction, result.InternalTransaction);
Assert.Equal(fixture.Fee, (Money)result.Fee);
Assert.Equal(fixture.Refund, result.Refund);
Assert.Equal(fixture.State.Object.GetLogs(fixture.ContractPrimitiveSerializer.Object), result.Logs);
}