Exemplo n.º 1
0
        public void TestInvoke(UInt160 contractHash, ETriggerType trigger, string operation = null, [PromptCommandParameterBody] object[] parameters = null)
        {
            if (_scriptTable.GetScript(contractHash.ToArray(), false) == null)
            {
                throw new ArgumentNullException("Contract not found");
            }

            var args = new ExecutionEngineArgs
            {
                ScriptTable = _scriptTable,
                Logger      = new ExecutionEngineLogger(ELogVerbosity.StepInto),
                Trigger     = trigger
            };

            var log = new StringBuilder();

            args.Logger.OnStepInto += context =>
            {
                log.AppendLine(context.NextInstruction.ToString());
            };

            using (var script = new ScriptBuilder())
                using (var vm = _vmFactory.Create(args))
                {
                    script.EmitMainPush(operation, parameters);
                    script.EmitAppCall(contractHash.ToArray());

                    vm.LoadScript(script);

                    var ret    = vm.Execute();
                    var result = new
                    {
                        vm.State,
                        Result = vm.ResultStack,
                        vm.ConsumedGas
                    };

                    _consoleHandler.WriteObject(result, PromptOutputStyle.json);
                }

            //_logger.LogDebug("Execution opcodes:" + Environment.NewLine + log.ToString());
        }
Exemplo n.º 2
0
        public Task Persist(InvocationTransaction transaction)
        {
            var messageContainer    = _container.Resolve <IMessageContainer>();
            var executionEngineArgs = GetExecutionEngineArgs(_container, messageContainer);

            PrepareMessage(transaction, messageContainer);

            using (var engine = _vmFactory.Create(executionEngineArgs))
            {
                engine.GasAmount = (ulong)transaction.Gas.Value;
                engine.LoadScript(transaction.Script);

                if (!engine.Execute())
                {
                    throw new InvalidOperationException($"The transaction {transaction.Hash} cannot be executed by VM.");
                }
            }

            return(Task.CompletedTask);
        }
Exemplo n.º 3
0
 /// <summary>
 /// Create new Engine
 /// </summary>
 /// <param name="args">Arguments</param>
 /// <returns>Return new engine</returns>
 public ExecutionEngineBase CreateEngine(ExecutionEngineArgs args)
 {
     return(_VMFactory.Create(args));
 }
Exemplo n.º 4
0
        /// <summary>
        /// Execute this test
        /// </summary>
        /// <param name="factory">Factory</param>
        /// <param name="ut">Test</param>
        public void ExecuteTest(IVMFactory factory, VMUT ut)
        {
            foreach (var test in ut.Tests)
            {
                // Arguments

                var storages       = new ManualStorage();
                var interopService = new InteropService();
                var contracts      = new ManualContracts();
                var state          = new StateMachine
                                     (
                    null, null, null, contracts,
                    storages, interopService, null, null, null, test.Trigger
                                     );

                var args = new ExecutionEngineArgs()
                {
                    Trigger        = test.Trigger,
                    InteropService = interopService,
                    Logger         = new ExecutionEngineLogger(ELogVerbosity.StepInto),
                    ScriptTable    = contracts,
                };

                var log    = new StringBuilder();
                var logBag = new List <string>();
                var notBag = new List <JToken>();

                interopService.OnLog += (sender, e) =>
                {
                    logBag.Add(e.Message);
                };
                interopService.OnNotify += (sender, e) =>
                {
                    notBag.Add(ItemToJson(e.State));
                };
                args.Logger.OnStepInto += (context) =>
                {
                    log.AppendLine(context.InstructionPointer.ToString("x6") + " - " + context.NextInstruction);
                };
                interopService.OnSysCall += (o, e) =>
                {
                    // Remove last line
                    log.Remove(log.Length - Environment.NewLine.Length, Environment.NewLine.Length);
                    log.AppendLine($" [{e.MethodName}  -  {e.Result}]");
                };

                // Script table

                if (test.ScriptTable != null)
                {
                    foreach (var script in test.ScriptTable)
                    {
                        var contract = new Contract()
                        {
                            Code = new Code()
                            {
                                Script     = script.Script,
                                ScriptHash = script.Script.ToScriptHash(),
                                Metadata   = ContractMetadata.NoProperty
                            }
                        };

                        if (script.HasDynamicInvoke)
                        {
                            contract.Code.Metadata |= ContractMetadata.HasDynamicInvoke;
                        }
                        if (script.HasStorage)
                        {
                            contract.Code.Metadata |= ContractMetadata.HasStorage;
                        }
                        if (script.Payable)
                        {
                            contract.Code.Metadata |= ContractMetadata.Payable;
                        }

                        contracts.Add(contract.ScriptHash, contract);
                    }

                    contracts.Commit();
                }

                // Create engine

                using (var engine = factory.Create(args))
                {
                    engine.GasAmount = ulong.MaxValue;
                    engine.LoadScript(test.Script);

                    // Execute Steps

                    if (test.Steps != null)
                    {
                        foreach (var step in test.Steps)
                        {
                            // Actions

                            log.Clear();
                            logBag.Clear();
                            notBag.Clear();

                            foreach (var run in step.Actions)
                            {
                                switch (run)
                                {
                                case VMUTActionType.Execute: engine.Execute(); break;

                                case VMUTActionType.StepInto: engine.StepInto(); break;

                                case VMUTActionType.StepOut: engine.StepOut(); break;

                                case VMUTActionType.StepOver: engine.StepOver(); break;

                                case VMUTActionType.Clean: engine.Clean(); break;
                                }
                            }

                            // Review results

                            var add = string.IsNullOrEmpty(step.Name) ? "" : "-" + step.Name;

                            AssertResult(engine, step.State, logBag, notBag, $"{ut.Category}-{ut.Name}{add}: ");
                        }
                    }
                }
            }
        }