Beispiel #1
0
        static void Main(string[] args)
        {
            var car     = new Car(4, "Supacars", Tuple.Create(1.5, 3.5));
            var wheeles = car.Wheels;

            var bike = Vehicle.NewMotorbike("Harley", 4.0);
            var car2 = Vehicle.NewMotorcar(car);

            Console.WriteLine("A car: {0}", car);
            Console.WriteLine("A bike: {0}", bike);

            Functions.Describe(bike);
            Functions.Describe(car2);

            var car3 = Functions.CreateCar(4, "Chevy", 1.5, 3.5);
            var car4 =
                Functions.CreateFourWheeledCar
                .Invoke("Chevy")
                .Invoke(1.5)
                .Invoke(3.5);

            // Woring with Options
            var optionalCar = FSharpOption <Car> .Some(car);

            var isNone = FSharpOption <Car> .get_IsNone(car);

            var isNotSome = FSharpOption <Car> .get_IsSome(optionalCar);

            Console.WriteLine("{0} : {1} : {2}", optionalCar, isNone, isNotSome);
        }
Beispiel #2
0
        public Task <VariogramModule.IVariogram> GetSpatialVariogramAsync(LinearCombination.RealValueNodes nodes)
        {
            var task = taskFactory.StartNew(new Func <object, VariogramModule.IVariogram>(obj =>
            {
                Stopwatch sw = Stopwatch.StartNew();
                LinearCombination.RealValueNodes localNodes = (LinearCombination.RealValueNodes)obj;
                var variogramFitter = new LMDotNetVariogramFitter.Fitter() as VariogramModule.IVariogramFitter;

                traceSource.TraceEvent(TraceEventType.Start, 1, "Starting build of emperical variogram");
                var pointSet = new EmpVariogramBuilder.PointSet(localNodes.Lats, localNodes.Lons, localNodes.Values);

                var dist = FuncConvert.ToFSharpFunc(new Converter <Tuple <double, double>, FSharpFunc <Tuple <double, double>, double> >(t1 =>
                                                                                                                                         FuncConvert.ToFSharpFunc(new Converter <Tuple <double, double>, double>(t2 => SphereMath.GetDistance(t1.Item1, t1.Item2, t2.Item1, t2.Item2)))));

                var empVar = EmpVariogramBuilder.EmpiricalVariogramBuilder.BuildEmpiricalVariogram(pointSet, dist);
                sw.Stop();
                traceSource.TraceEvent(TraceEventType.Stop, 1, string.Format("Emperical variogram is build in {0}", sw.Elapsed));
                sw = Stopwatch.StartNew();
                traceSource.TraceEvent(TraceEventType.Start, 2, "Starting variogram fitting");
                var variogramRes = variogramFitter.Fit(empVar);
                sw.Stop();
                traceSource.TraceEvent(TraceEventType.Stop, 2, string.Format("Emperical variogram is build in {0}", sw.Elapsed));
                if (FSharpOption <VariogramModule.IDescribedVariogram> .get_IsNone(variogramRes))
                {
                    traceSource.TraceEvent(TraceEventType.Error, 3, "Fariogram fitting failed. Falling back to coarse variogram approximation");
                    return(variogramFitter.GetFallback(empVar));
                }
                else
                {
                    return(variogramRes.Value);
                }
            }), nodes);

            return(task);
        }
Beispiel #3
0
        static void Main(string[] args)
        {
            var car      = new Car(4, "Supacars", Tuple.Create(1.5, 3.5));
            var bike     = Vehicle.NewMotorbike("MyBike", 1.5);
            var motorcar = Vehicle.NewMotorcar(car);

            Functions.Describe(bike);
            Functions.Describe(motorcar);

            var someWheeledCar = Functions.CreateCar(4, "Supacars", 1.5, 3.5);
            var fourWheeledCar =
                Functions.CreateFourWheeledCar
                .Invoke("Supacars")
                .Invoke(1.5)
                .Invoke(3.5);

            // Working with Options
            var optionalCar = FSharpOption <Car> .Some(car);

            var isNone = FSharpOption <Car> .get_IsNone(optionalCar);

            var isNotSome = FSharpOption <Car> .get_IsSome(optionalCar);

            // With extension methods
            var optionalCarExt = car.AsOption();
            var isNoneExt      = optionalCarExt.IsNone();
            var isSomeExt      = optionalCarExt.IsSome();
        }
Beispiel #4
0
        public void CanCompileSecureTokenCodeFromTemplate()
        {
            var tpl = GetTemplate("SecureToken");
            var destinationAddress = Wallet.core.Data.Key.Create().Address.Bytes;
            var destination        = Convert.ToBase64String(destinationAddress);
            var metadata           = new { contractType = "securetoken", destination = destination };
            var jsonHeader         = "//" + JsonConvert.SerializeObject(metadata);
            var code = tpl.Replace("__ADDRESS__", destination);

            code += "\n" + jsonHeader;
            var compiled = ContractExamples.Execution.compile(code);

            Assert.That(compiled, Is.Not.Null, "should compile code");
            Assert.That(FSharpOption <byte[]> .get_IsNone(compiled), Is.False, "should compile code");

            var metadataParsed = ContractExamples.Execution.metadata(code);

            Assert.That(FSharpOption <ContractExamples.Execution.ContractMetadata> .get_IsNone(metadataParsed), Is.False, "should parse metadata");
            Assert.That(metadataParsed.Value, Is.TypeOf(typeof(ContractExamples.Execution.ContractMetadata.SecureToken)));
            Assert.That((metadataParsed.Value as ContractExamples.Execution.ContractMetadata.SecureToken).Item.destination, Is.EquivalentTo(destinationAddress));

            object deserialized = null;

            try
            {
                deserialized = ContractExamples.Execution.deserialize(compiled.Value);
            }
            catch
            {
            }
            Assert.That(deserialized, Is.Not.Null);
        }
Beispiel #5
0
 ///<summary>
 /// Converts an <see cref="FSharpOption{T}"/> to an equivalent <see cref="Option{TOption}"/>.
 ///</summary>
 ///<param name="fSharpOption">The <see cref="FSharpOption{T}"/> to convert</param>
 ///<typeparam name="TOption">The internal value of <paramref name="fSharpOption"/></typeparam>
 ///<returns>An <see cref="Option{TOption}"/> equivalent to <paramref name="fSharpOption"/></returns>
 public static Option <TOption> FromFSharp <TOption>(FSharpOption <TOption> fSharpOption)
 {
     if (fSharpOption == null || FSharpOption <TOption> .get_IsNone(fSharpOption))
     {
         return(Create <TOption>());
     }
     return(new Option <TOption>(fSharpOption.Value));
 }
Beispiel #6
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        public void Serialize(ref JsonWriter <TSymbol> writer, FSharpOption <T> value, int nestingLimit)
        {
            if (FSharpOption <T> .get_IsNone(value))
            {
                writer.WriteNull();
                return;
            }

            elementFormatter.Serialize(ref writer, value.Value, nestingLimit);
        }
Beispiel #7
0
 public void Option()
 {
     IsTrue(FSharpOption <int> .get_IsNone(FSharpOption <int> .None));
     Equal(FSharpOption <int> .None, null);
     Equal(FSharpOption <int> .GetTag(FSharpOption <int> .None), 0);
     Equal(FSharpOption <int> .GetTag(FSharpOption <int> .Some(2)), 1);
     Equal(FSharpOption <int> .Some(3).Value, 3);
     Equal(FSharpOption <int> .Some(1), FSharpConvert.Some(1));
     Equal(FSharpConvert.Option((int?)1), FSharpOption <int> .Some(1));
 }
Beispiel #8
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        public ContractFunction GetContractFunction(TransactionContext dbTx, byte[] contractHash)
        {
            var acsItem = Get(dbTx, contractHash);

            if (acsItem == null)
            {
                return(null);
            }

            var deserialization = FSharpOption <Tuple <ContractFunction, ContractCostFunction> > .None;

            try
            {
                deserialization = ContractExamples.FStarExecution.deserialize(acsItem.Value.Serialized);
            }
            catch
            {
                BlockChainTrace.Information("Error deserializing contract");
            }

            if (FSharpOption <Tuple <ContractFunction, ContractCostFunction> > .get_IsNone(deserialization) || deserialization == null)
            {
                BlockChainTrace.Information("Reserializing contract");

                try
                {
                    var compilation = ContractExamples.FStarExecution.compile(acsItem.Value.Extracted);

                    if (FSharpOption <byte[]> .get_IsNone(compilation))
                    {
                        return(null);
                    }

                    acsItem.Value.Serialized = compilation.Value;

                    Add(dbTx, acsItem.Value);

                    deserialization = ContractExamples.FStarExecution.deserialize(compilation.Value);

                    if (FSharpOption <Tuple <ContractFunction, ContractCostFunction> > .get_IsNone(deserialization))
                    {
                        BlockChainTrace.Error("Error deserializing contract");
                        return(null);
                    }
                }
                catch (Exception e)
                {
                    BlockChainTrace.Error("Error recompiling contract", e);
                    return(null);
                }
            }

            return(deserialization.Value.Item1);
        }
Beispiel #9
0
        public void GetCacheTime_WithNoHeaders_ReturnsNone()
        {
            // arrange
            var cacheHeaders = BuildHeaders(cacheControlIsNull: true);

            // act
            var result = build(cacheHeaders);

            // assert
            Assert.True(FSharpOption <CacheSettings> .get_IsNone(result));
        }
Beispiel #10
0
 public int Serialize(ref byte[] bytes, int offset, FSharpOption <T> value, IFormatterResolver formatterResolver)
 {
     if (FSharpOption <T> .get_IsNone(value))
     {
         return(MessagePackBinary.WriteNil(ref bytes, offset));
     }
     else
     {
         return(formatterResolver.GetFormatterWithVerify <T>().Serialize(ref bytes, offset, value.Value, formatterResolver));
     }
 }
 public void Serialize(ref MessagePackWriter writer, FSharpOption <T> value, MessagePackSerializerOptions options)
 {
     if (FSharpOption <T> .get_IsNone(value))
     {
         writer.WriteNil();
         return;
     }
     else
     {
         IFormatterResolver resolver = options.Resolver;
         resolver.GetFormatterWithVerify <T>().Serialize(ref writer, value.Value, options);
     }
 }
Beispiel #12
0
        public void FSharpConversion([Random(int.MinValue, int.MaxValue, 1)] int random)
        {
            var ourSome    = new Option <int>(random);
            var fSharpSome = ourSome.ToFSharp();

            Assert.That(FSharpOption <int> .get_IsSome(fSharpSome), "F# option should be some");
            Assert.That(fSharpSome.Value, Is.EqualTo(random));

            var ourNone    = Option.Create <int>();
            var fSharpNone = ourNone.ToFSharp();

            Assert.That(FSharpOption <int> .get_IsNone(fSharpNone), "F# option should be None");
        }
Beispiel #13
0
        public bool TryActivate(TransactionContext dbTx, string contractCode, ulong kalapas, byte[] contractHash, uint blockNumber)
        {
            if (IsActive(dbTx, contractHash))
            {
                return(false);
            }

            //TODO: module name
            var extration = ContractExamples.FStarExecution.extract(contractCode);

            if (FSharpOption <string> .get_IsNone(extration))
            {
                BlockChainTrace.Information("Could not extract contract");
                return(false);
            }

            var compilation = ContractExamples.FStarExecution.compile(extration.Value);

            if (FSharpOption <byte[]> .get_IsNone(compilation))
            {
                BlockChainTrace.Information("Could not complie contract");
                return(false);
            }

            var kalapasPerBlock = KalapasPerBlock(contractCode);

            if (kalapas < kalapasPerBlock)
            {
                return(false);
            }

            var blocks = Convert.ToUInt32(kalapas / kalapasPerBlock);

            Add(dbTx, new ACSItem()
            {
                Hash            = contractHash,
                KalapasPerBlock = kalapasPerBlock,
                LastBlock       = blockNumber + blocks,
                Extracted       = extration.Value,
                Serialized      = compilation.Value
            });

            BlockChainTrace.Information($"Contract activated for {blocks} blocks", contractHash);

            return(true);
        }
Beispiel #14
0
        public BallsModel.State calcNextState()
        {
            BallsModel.State latestState =
                statesBuffer.Count > 0 ? statesBuffer.Last() : currentState;

            FSharpOption <BallsModel.State> state =
                latestState.nextState(bounceGate);

            solved = FSharpOption <BallsModel.State> .get_IsNone(state);

            if (!solved)
            {
                statesBuffer.Add(state.Value);
                return(state.Value);
            }
            else
            {
                return(latestState);
            }
        }
Beispiel #15
0
        public Analysis inProcessAnalysis(long max_duration_in_ms, ExceLint.FeatureConf config, Graph g, Progress p)
        {
            // sanity check
            if (g.NumFormulas == 0)
            {
                return(new Analysis {
                    scores = null, ranOK = false, cutoff = 0
                });
            }
            else
            {
                // run analysis
                FSharpOption <ExceLint.ErrorModel> mopt;
                try
                {
                    mopt = ExceLint.ModelBuilder.analyze(_app, config, g, 0, p);
                } catch (ExceLint.CommonTypes.NoFormulasException e)
                {
                    System.Windows.Forms.MessageBox.Show(e.Message);
                    throw new AnalysisCancelled();
                }

                if (FSharpOption <ExceLint.ErrorModel> .get_IsNone(mopt))
                {
                    throw new AnalysisCancelled();
                }
                else
                {
                    var     model  = mopt.Value;
                    Score[] scores = model.ranking();
                    int     cutoff = model.Cutoff;
                    return(new Analysis {
                        scores = scores, ranOK = true, cutoff = cutoff, model = model, hasRun = true, dag = g
                    });
                }
            }
        }
Beispiel #16
0
        public async Task <ActionResult> Action()
        {
            var  action = Request["Action"];
            var  args   = new Dictionary <string, string>();
            byte opcode = 0x01;

            var address = Request["Address"];

            var contractHash = new Address(address).Bytes;

            string key  = HttpServerUtility.UrlTokenEncode(contractHash);
            var    file = $"{key}";

            string contractCode = null;
            var    codeFile     = Path.ChangeExtension(Path.Combine("db", "contracts", file), ".txt");

            if (System.IO.File.Exists(codeFile))
            {
                contractCode = System.IO.File.ReadAllText(codeFile);
            }

            var contractInteraction = new ContractInteraction()
            {
                Action  = action,
                Address = new Address(contractHash, AddressType.Contract).ToString()
            };

            ContractMetadata contractMetadata = null;

            try
            {
                var _metadata = ContractExamples.Execution.metadata(contractCode);

                if (FSharpOption <ContractMetadata> .get_IsNone(_metadata))
                {
                    contractInteraction.Message = "No metadata";
                }
                else
                {
                    contractMetadata = _metadata.Value;
                }
            }
            catch
            {
                contractInteraction.Message = "Error getting metadata";
                return(View(contractInteraction));
            }

            if (contractMetadata.IsCallOption)
            {
                var callOptionParameters =
                    (ContractExamples.Execution.ContractMetadata.CallOption)contractMetadata;
                switch (action)
                {
                case "Collateralize":
                    //var pkAddress = new PKAddressField();
                    //pkAddress.SetValue(Request["return-address"]);

                    //if (pkAddress.Invalid)
                    //{
                    //             contractInteraction.Message = "Invalid return address";
                    //	return View(contractInteraction);
                    //}

                    //args.Add("returnPubKeyAddress", pkAddress.Value);
                    opcode = OPCODE_COLLATERALIZE;
                    break;

                case "Exercise":
                    var pkExerciseReturnAddress = new PKAddressField();
                    pkExerciseReturnAddress.SetValue(Request["exercise-return-address"]);

                    if (pkExerciseReturnAddress.Invalid)
                    {
                        contractInteraction.Message = "Invalid send address";
                        return(View(contractInteraction));
                    }

                    args.Add("returnPubKeyAddress", pkExerciseReturnAddress.Value);

                    string oracleData;     //GetOracleCommitmentData(callOptionParameters.Item.underlying, DateTime.Now.ToUniversalTime()).Result;

                    if (GetLastData(callOptionParameters.Item.underlying, out oracleData))
                    {
                        args.Add("oracleRawData", oracleData);
                    }
                    else
                    {
                        contractInteraction.Message = "Error getting oracle data";
                        return(View(contractInteraction));
                    }

                    opcode = OPCODE_EXERCISE;
                    break;

                case "Buy":
                    var pkSendAddress = new PKAddressField();
                    pkSendAddress.SetValue(Request["buy-send-address"]);

                    if (pkSendAddress.Invalid)
                    {
                        contractInteraction.Message = "Invalid send address";
                        return(View(contractInteraction));
                    }

                    args.Add("returnPubKeyAddress", pkSendAddress.Value);
                    opcode = OPCODE_BUY;
                    break;
                    //case "Close":
                    //	opcode = OPCODE_CLOSE;
                    //	break;
                }
            }

            var argsMap = new FSharpMap <string, string>(args.Select(t => new Tuple <string, string>(t.Key, t.Value)));
            var result  = await Client.Send <GetContractPointedOutputsResultPayload>(_address, new GetContractPointedOutputsPayload()
            {
                ContractHash = contractHash
            });

            var utxos = GetContractPointedOutputsResultPayload.Unpack(result.PointedOutputs);
            var data  = ContractUtilities.DataGenerator.makeJson(contractMetadata, utxos, opcode, argsMap);

            if (data.IsError)
            {
                contractInteraction.Message = data.ErrorValue.ToString();
            }
            else
            {
                contractInteraction.Data = data.ResultValue.JsonValue.ToString();
            }

            return(View(contractInteraction));
        }
Beispiel #17
0
        public static LTLAnalysisResult Simulate(LTLSimulationAnalysisInputDTO input)
        {
            LogService log = new LogService();

            try
            {
                string formula      = input.Formula;
                string num_of_steps = input.Number_of_steps;

                IAnalyzer analyzer = new UIMain.Analyzer();
                if (input.EnableLogging)
                {
                    analyzer.LoggingOn(log);
                }
                else
                {
                    analyzer.LoggingOff();
                    log.LogDebug("Logging is disabled.");
                }

                Stopwatch sw = new Stopwatch();
                sw.Start();
                var result = analyzer.checkLTLSimulation(input, formula, num_of_steps);
                sw.Stop();
                log.LogDebug(string.Format("The LTL simulation took {0}", sw.Elapsed));

                if (FSharpOption <LTLAnalysisResultDTO> .get_IsNone(result))
                {
                    return(new LTLAnalysisResult
                    {
                        Error = null,
                        Ticks = null,
                        Status = LTLStatus.Unknown,
                        Loop = -1,
                        ErrorMessages = log.ErrorMessages.Length > 0 ? log.ErrorMessages.ToArray() : null,
                        DebugMessages = log.DebugMessages.Length > 0 ? log.DebugMessages.ToArray() : null
                    });
                }
                else
                {
                    var res    = result.Value;
                    var status = res.Status;
                    return(new LTLAnalysisResult
                    {
                        Error = res.Error,
                        Ticks = res.Ticks,
                        Status = status ? LTLStatus.True : LTLStatus.False,
                        Loop = res.Loop,
                        ErrorMessages = log.ErrorMessages.Length > 0 ? log.ErrorMessages.ToArray() : null,
                        DebugMessages = log.DebugMessages.Length > 0 ? log.DebugMessages.ToArray() : null
                    });
                }
            }
            catch (Exception ex)
            {
                var version = typeof(Analysis).Assembly.GetName().Version;
                log.LogError(String.Format("LTL simulation failed. Assembly version: {0}. Exception: {1}", version, ex));
                return(new LTLAnalysisResult
                {
                    Error = ex.Message,
                    ErrorMessages = log.ErrorMessages.Length > 0 ? log.ErrorMessages.ToArray() : null,
                    DebugMessages = log.DebugMessages.Length > 0 ? log.DebugMessages.ToArray() : null
                });
            }
        }
Beispiel #18
0
        public static Tuple <LTLAnalysisResult, LTLAnalysisResult> Polarity(LTLPolarityAnalysisInputDTO input)
        {
            LogService log = new LogService();

            try
            {
                string formula               = input.Formula;
                string num_of_steps          = input.Number_of_steps;
                FSharpOption <bool> polarity = FSharpOption <bool> .None;
                if (input.Polarity != LTLStatus.Unknown)
                {
                    polarity = new FSharpOption <bool>(input.Polarity == LTLStatus.True);
                }

                IAnalyzer analyzer = new UIMain.Analyzer();
                if (input.EnableLogging)
                {
                    analyzer.LoggingOn(log);
                }
                else
                {
                    analyzer.LoggingOff();
                    log.LogDebug("Logging is disabled.");
                }

                Stopwatch sw = new Stopwatch();
                sw.Start();
                var result = analyzer.checkLTLPolarity(input, formula, num_of_steps, polarity);
                sw.Stop();
                log.LogDebug(string.Format("The LTL polarity check took {0}", sw.Elapsed));

                var positive = new LTLAnalysisResult
                {
                    Error         = result.Item1.Error,
                    Ticks         = result.Item1.Ticks,
                    Status        = result.Item1.Status ? LTLStatus.True : LTLStatus.False,
                    Loop          = result.Item1.Loop,
                    ErrorMessages = log.ErrorMessages.Length > 0 ? log.ErrorMessages.ToArray() : null,
                    DebugMessages = log.DebugMessages.Length > 0 ? log.DebugMessages.ToArray() : null
                };

                LTLAnalysisResult negative = null;
                if (result.Item2 != null && !FSharpOption <LTLAnalysisResultDTO> .get_IsNone(result.Item2))
                {
                    negative = new LTLAnalysisResult
                    {
                        Error         = result.Item2.Value.Error,
                        Ticks         = result.Item2.Value.Ticks,
                        Status        = result.Item2.Value.Status ? LTLStatus.True : LTLStatus.False,
                        Loop          = result.Item2.Value.Loop,
                        ErrorMessages = log.ErrorMessages.Length > 0 ? log.ErrorMessages.ToArray() : null,
                        DebugMessages = log.DebugMessages.Length > 0 ? log.DebugMessages.ToArray() : null
                    };
                }

                return(new Tuple <LTLAnalysisResult, LTLAnalysisResult>(positive, negative));
            }
            catch (Exception ex)
            {
                var version = typeof(Analysis).Assembly.GetName().Version;
                log.LogError(String.Format("LTL Polarity check failed. Assembly version: {0}. Exception: {1}", version, ex));
                return(new Tuple <LTLAnalysisResult, LTLAnalysisResult>(new LTLAnalysisResult
                {
                    Error = ex.Message,
                    ErrorMessages = log.ErrorMessages.Length > 0 ? log.ErrorMessages.ToArray() : null,
                    DebugMessages = log.DebugMessages.Length > 0 ? log.DebugMessages.ToArray() : null
                }, null));
            }
        }
Beispiel #19
0
 internal static Option <TValue> FromFSharpOption(FSharpOption <TValue> option)
 {
     return(FSharpOption <TValue> .get_IsNone(option) ? Option <TValue> .None : Option <TValue> .Some(option.Value));
 }
Beispiel #20
0
 public static bool IsNone(this FSharpOption <Basic.Position> option)
 {
     return(FSharpOption <Basic.Position> .get_IsNone(option));
 }
Beispiel #21
0
        public void CanCompileCallOptionCodeFromTemplate()
        {
            var tpl = GetTemplate("CallOption");

            var controlAssetReturn = Wallet.core.Data.Key.Create().Address.Bytes;
            var controlAsset       = Wallet.core.Data.Key.Create().Address.Bytes;
            var oracleAddress      = Wallet.core.Data.Key.Create().Address.Bytes;
            var underlying         = "GOOG";
            var price  = 10M;
            var strike = 900M;
            var minimumCollateralRatio = 1;
            var ownerPubKey            = Wallet.core.Data.Key.Create().Public;

            var callOptionsParams = new ContractExamples.QuotedContracts.CallOptionParameters(
                Consensus.Tests.zhash,
                controlAsset,
                controlAssetReturn,
                oracleAddress,
                underlying,
                price,
                strike,
                minimumCollateralRatio,
                ownerPubKey
                );

            var code = tpl
                       .Replace("__numeraire__", Convert.ToBase64String(callOptionsParams.numeraire))
                       .Replace("__controlAsset__", Convert.ToBase64String(callOptionsParams.controlAsset))
                       .Replace("__controlAssetReturn__", Convert.ToBase64String(callOptionsParams.controlAssetReturn))
                       .Replace("__oracle__", Convert.ToBase64String(callOptionsParams.oracle))
                       .Replace("__underlying__", callOptionsParams.underlying)
                       .Replace("__price__", "" + callOptionsParams.price)
                       .Replace("__strike__", "" + callOptionsParams.strike)
                       .Replace("__minimumCollateralRatio__", "" + callOptionsParams.minimumCollateralRatio)
                       .Replace("__ownerPubKey__", Convert.ToBase64String(callOptionsParams.ownerPubKey));

            var metadata = new {
                contractType       = "calloption",
                numeraire          = Convert.ToBase64String(callOptionsParams.numeraire),
                controlAsset       = Convert.ToBase64String(callOptionsParams.controlAsset),
                controlAssetReturn = Convert.ToBase64String(callOptionsParams.controlAssetReturn),
                oracle             = Convert.ToBase64String(callOptionsParams.oracle),
                underlying         = callOptionsParams.underlying,
                price  = "" + callOptionsParams.price,
                strike = "" + callOptionsParams.strike,
                minimumCollateralRatio = "" + callOptionsParams.minimumCollateralRatio,
                ownerPubKey            = Convert.ToBase64String(callOptionsParams.ownerPubKey)
            };

            var jsonHeader = "//" + JsonConvert.SerializeObject(metadata);

            code += "\n" + jsonHeader;

            var compiled = ContractExamples.Execution.compile(code);

            Assert.That(compiled, Is.Not.Null, "should compile code");
            Assert.That(FSharpOption <byte[]> .get_IsNone(compiled), Is.False, "should compile code");

            var metadataParsed = ContractExamples.Execution.metadata(code);

            Assert.That(FSharpOption <ContractExamples.Execution.ContractMetadata> .get_IsNone(metadataParsed), Is.False, "should parse metadata");
            Assert.That(metadataParsed.Value, Is.TypeOf(typeof(ContractExamples.Execution.ContractMetadata.CallOption)));

            Assert.That((metadataParsed.Value as ContractExamples.Execution.ContractMetadata.CallOption).Item.numeraire, Is.EquivalentTo(Consensus.Tests.zhash));
            Assert.That((metadataParsed.Value as ContractExamples.Execution.ContractMetadata.CallOption).Item.controlAsset, Is.EquivalentTo(controlAsset));
            Assert.That((metadataParsed.Value as ContractExamples.Execution.ContractMetadata.CallOption).Item.controlAssetReturn, Is.EquivalentTo(controlAssetReturn));
            Assert.That((metadataParsed.Value as ContractExamples.Execution.ContractMetadata.CallOption).Item.oracle, Is.EquivalentTo(oracleAddress));
            Assert.That((metadataParsed.Value as ContractExamples.Execution.ContractMetadata.CallOption).Item.underlying, Is.EquivalentTo(underlying));
            Assert.That((metadataParsed.Value as ContractExamples.Execution.ContractMetadata.CallOption).Item.price, Is.EqualTo(price));
            Assert.That((metadataParsed.Value as ContractExamples.Execution.ContractMetadata.CallOption).Item.strike, Is.EqualTo(strike));
            Assert.That((metadataParsed.Value as ContractExamples.Execution.ContractMetadata.CallOption).Item.minimumCollateralRatio, Is.EqualTo(minimumCollateralRatio));
            Assert.That((metadataParsed.Value as ContractExamples.Execution.ContractMetadata.CallOption).Item.ownerPubKey, Is.EqualTo(ownerPubKey));

            object deserialized = null;

            try
            {
                deserialized = ContractExamples.Execution.deserialize(compiled.Value);
            }
            catch
            {
            }
            Assert.That(deserialized, Is.Not.Null);
        }
Beispiel #22
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 public static void IsNone <T>(FSharpOption <T> value)
 {
     Assert.False(FSharpOption <T> .get_IsNone(value));
 }
Beispiel #23
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        bool IsTransactionValid(TransactionValidation.PointedTransaction ptx)
        {
            if (!HasUtxos(ptx))
            {
                MinerTrace.Information("could not validate tx - utxo missing");
                return(false);
            }

            var utxoLookup = UtxoLookup.FromConverter(outpoint =>
            {
                var outputs = _UtxoSet.Where(t => t.Item1.Equals(outpoint)).Select(t => t.Item2);
                return(!outputs.Any() ? FSharpOption <Types.Output> .None : new FSharpOption <Types.Output>(outputs.First()));
            });

            var contractLookup = FSharpFunc <byte[], FSharpOption <ContractFunction> > .FromConverter(contractHash =>
            {
                if (!_ActiveContracts.Contains(contractHash))
                {
                    return(FSharpOption <ContractFunction> .None);
                }

                try
                {
                    var code = new GetContractCodeAction(contractHash).Publish().Result;

                    //TODO: module name
                    var extration = ContractExamples.FStarExecution.extract(System.Text.Encoding.ASCII.GetString(code));

                    if (FSharpOption <string> .get_IsNone(extration))
                    {
                        MinerTrace.Information("Could not extract contract");
                        return(null);
                    }

                    var compilation = ContractExamples.FStarExecution.compile(extration.Value);

                    if (FSharpOption <byte[]> .get_IsNone(compilation))
                    {
                        MinerTrace.Information("Could not complie contract");
                        return(null);
                    }

                    return(ContractExamples.FStarExecution.deserialize(compilation.Value).Value.Item1);
                }
                catch (Exception e)
                {
                    MinerTrace.Error("Could not compile contract " + Convert.ToBase64String(contractHash), e);
                    return(null);
                }
            });

            if (!TransactionValidation.validateNonCoinbaseTx(
                    ptx,
                    utxoLookup,
                    contractLookup
                    ))
            {
                MinerTrace.Information("could not validate tx");
                return(false);
            }

            MinerTrace.Information("validated tx");

            //TODO: memory management issues. trying to explicitly collect DynamicMethods
            GC.Collect();
            GC.WaitForPendingFinalizers();

            return(true);
        }
Beispiel #24
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        public void Create_none()
        {
            var expected = FSharpOptionHelper.None(FSharpOptionHelper.GetUnderlyingType(TestData.PropertyType));

            FSharpOption <string> .get_IsNone((FSharpOption <string>) expected).Should().BeTrue();
        }
 public static bool IsNone <T>(this FSharpOption <T> o) => FSharpOption <T> .get_IsNone(o);
Beispiel #26
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 /// <summary>
 /// Converts <see cref="FSharpOption{T}"/> to <see cref="Nullable"/>.
 /// </summary>
 private static T?AsNullable <T>(this FSharpOption <T> opt) where T : struct
 {
     return(FSharpOption <T> .get_IsNone(opt) ? new T?() : opt.Value);
 }
Beispiel #27
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 public static bool IsNone <T>(this FSharpOption <T> option)
 {
     return(FSharpOption <T> .get_IsNone(option));
 }
Beispiel #28
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 public static Boolean IsNone <T>(this FSharpOption <T> optionType)
 {
     return(FSharpOption <T> .get_IsNone(optionType));
 }