public void Create_GasRemaining_Error()
        {
            ulong amount     = 100UL;
            var   parameters = new object[] { };
            var   gasLimit   = (RuntimeObserver.Gas) 100_000;

            var fixture = new InternalExecutorTestFixture();

            fixture.SetGasMeterLimitBelow(gasLimit);

            var internalExecutor = new InternalExecutor(
                fixture.GasMeter.Object,
                fixture.State.Object,
                fixture.StateProcessor.Object);

            ICreateResult result = internalExecutor.Create <string>(fixture.SmartContractState, amount, parameters, gasLimit);

            fixture.State.Verify(s => s.Snapshot(), Times.Never);

            fixture.StateProcessor.Verify(sp =>
                                          sp.Apply(fixture.Snapshot, It.IsAny <InternalCreateMessage>()), Times.Never);

            fixture.State.Verify(s => s.TransitionTo(fixture.Snapshot), Times.Never);

            fixture.GasMeter.Verify(g => g.Spend(It.IsAny <RuntimeObserver.Gas>()), Times.Never);

            Assert.False(result.Success);
            Assert.Equal(default(Address), result.NewContractAddress);
        }
        public void Transfer_GasRemaining_Error()
        {
            var fixture = new InternalExecutorTestFixture();

            fixture.SetGasMeterLimitBelow((RuntimeObserver.Gas)GasPriceList.TransferCost);

            ulong amount = 100UL;
            var   to     = "0x95D34980095380851902ccd9A1Fb4C813C2cb639".HexToAddress();

            var internalExecutor = new InternalExecutor(
                fixture.GasMeter.Object,
                fixture.State.Object,
                fixture.StateProcessor.Object);

            ITransferResult result = internalExecutor.Transfer(fixture.SmartContractState, to, amount);

            fixture.State.Verify(s => s.Snapshot(), Times.Never);

            fixture.StateProcessor.Verify(sp =>
                                          sp.Apply(fixture.Snapshot, It.IsAny <ContractTransferMessage>()), Times.Never);

            fixture.State.Verify(s => s.TransitionTo(fixture.Snapshot), Times.Never);

            fixture.GasMeter.Verify(g => g.Spend(It.IsAny <RuntimeObserver.Gas>()), Times.Never);

            Assert.False(result.Success);
            Assert.Null(result.ReturnValue);
        }
        public void Call_GasRemaining_Error()
        {
            var fixture = new InternalExecutorTestFixture();

            ulong amount     = 100UL;
            var   to         = "0x95D34980095380851902ccd9A1Fb4C813C2cb639".HexToAddress();
            var   method     = "Test";
            var   parameters = new object[] { };
            var   gasLimit   = (RuntimeObserver.Gas) 100_000;

            fixture.SetGasMeterLimitBelow(gasLimit);

            var internalExecutor = new InternalExecutor(
                fixture.GasMeter.Object,
                fixture.State.Object,
                fixture.StateProcessor.Object);

            ITransferResult result = internalExecutor.Call(fixture.SmartContractState, to, amount, method, parameters, gasLimit);

            fixture.State.Verify(s => s.Snapshot(), Times.Never);

            fixture.StateProcessor.Verify(sp =>
                                          sp.Apply(fixture.Snapshot, It.IsAny <InternalCreateMessage>()), Times.Never);

            fixture.State.Verify(s => s.TransitionTo(fixture.Snapshot), Times.Never);

            fixture.GasMeter.Verify(g => g.Spend(It.IsAny <RuntimeObserver.Gas>()), Times.Never);

            Assert.False(result.Success);
            Assert.Null(result.ReturnValue);
        }
        public void Call_StateTransition_Success()
        {
            var fixture = new InternalExecutorTestFixture();

            ulong amount     = 100UL;
            var   to         = "0x95D34980095380851902ccd9A1Fb4C813C2cb639".HexToAddress();
            var   method     = "Test";
            var   parameters = new object[] { };
            var   gasLimit   = (RuntimeObserver.Gas) 100_000;


            fixture.SetGasMeterLimitAbove(gasLimit);

            StateTransitionResult stateTransitionResult = StateTransitionResult.Ok((RuntimeObserver.Gas) 1000, uint160.One, new object());

            fixture.StateProcessor
            .Setup(sp => sp.Apply(It.IsAny <IState>(), It.IsAny <InternalCallMessage>()))
            .Returns(stateTransitionResult);

            var internalExecutor = new InternalExecutor(
                fixture.GasMeter.Object,
                fixture.State.Object,
                fixture.StateProcessor.Object);

            ITransferResult result = internalExecutor.Call(fixture.SmartContractState, to, amount, method, parameters, gasLimit);

            fixture.State.Verify(s => s.Snapshot(), Times.Once);

            fixture.StateProcessor.Verify(sp =>
                                          sp.Apply(fixture.Snapshot, It.Is <InternalCallMessage>(m =>
                                                                                                 m.Amount == amount &&
                                                                                                 m.Method.Name == method &&
                                                                                                 m.Method.Parameters == parameters &&
                                                                                                 m.GasLimit == gasLimit &&
                                                                                                 m.From == fixture.FromAddress &&
                                                                                                 m.To == to.ToUint160()
                                                                                                 )));

            fixture.State.Verify(s => s.TransitionTo(fixture.Snapshot));

            fixture.GasMeter.Verify(g => g.Spend(stateTransitionResult.GasConsumed));

            Assert.True(result.Success);
            Assert.Equal(stateTransitionResult.Success.ExecutionResult, result.ReturnValue);
        }
        public void Create_StateTransition_Success()
        {
            ulong amount     = 100UL;
            var   parameters = new object[] { };
            var   gasLimit   = (RuntimeObserver.Gas) 100_000;

            var fixture = new InternalExecutorTestFixture();

            fixture.SetGasMeterLimitAbove(gasLimit);

            StateTransitionResult stateTransitionResult = StateTransitionResult.Ok((RuntimeObserver.Gas) 1000, uint160.One, new object());

            fixture.StateProcessor
            .Setup(sp => sp.Apply(It.IsAny <IState>(), It.IsAny <InternalCreateMessage>()))
            .Returns(stateTransitionResult);

            var internalExecutor = new InternalExecutor(
                fixture.GasMeter.Object,
                fixture.State.Object,
                fixture.StateProcessor.Object);

            ICreateResult result = internalExecutor.Create <string>(fixture.SmartContractState, amount, parameters, gasLimit);

            fixture.State.Verify(s => s.Snapshot(), Times.Once);

            fixture.StateProcessor.Verify(sp =>
                                          sp.Apply(fixture.Snapshot, It.Is <InternalCreateMessage>(m =>
                                                                                                   m.Amount == amount &&
                                                                                                   m.Parameters == parameters &&
                                                                                                   m.GasLimit == gasLimit &&
                                                                                                   m.From == fixture.FromAddress &&
                                                                                                   m.Type == typeof(string).Name
                                                                                                   )));

            fixture.State.Verify(s => s.TransitionTo(fixture.Snapshot));

            fixture.GasMeter.Verify(g => g.Spend(stateTransitionResult.GasConsumed));

            Assert.True(result.Success);
            Assert.Equal(stateTransitionResult.Success.ContractAddress.ToAddress(), result.NewContractAddress);
        }
        public void Transfer_StateTransition_Error()
        {
            var fixture = new InternalExecutorTestFixture();

            ulong amount = 100UL;
            var   to     = "0x95D34980095380851902ccd9A1Fb4C813C2cb639".HexToAddress();

            fixture.SetGasMeterLimitAbove((RuntimeObserver.Gas)InternalExecutor.DefaultGasLimit);

            StateTransitionResult stateTransitionResult = StateTransitionResult.Fail((RuntimeObserver.Gas) 1000, StateTransitionErrorKind.VmError);

            fixture.StateProcessor
            .Setup(sp => sp.Apply(It.IsAny <IState>(), It.IsAny <ContractTransferMessage>()))
            .Returns(stateTransitionResult);

            var internalExecutor = new InternalExecutor(
                fixture.GasMeter.Object,
                fixture.State.Object,
                fixture.StateProcessor.Object);

            ITransferResult result = internalExecutor.Transfer(fixture.SmartContractState, to, amount);

            fixture.State.Verify(s => s.Snapshot(), Times.Once);

            fixture.StateProcessor.Verify(sp =>
                                          sp.Apply(fixture.Snapshot, It.Is <ContractTransferMessage>(m =>
                                                                                                     m.Amount == amount &&
                                                                                                     m.GasLimit == InternalExecutor.DefaultGasLimit &&
                                                                                                     m.From == fixture.FromAddress &&
                                                                                                     m.To == to.ToUint160()
                                                                                                     )));

            fixture.State.Verify(s => s.TransitionTo(fixture.Snapshot), Times.Never);

            fixture.GasMeter.Verify(g => g.Spend(stateTransitionResult.GasConsumed), Times.Once);

            Assert.False(result.Success);
            Assert.Null(result.ReturnValue);
        }