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‎ProgrammingTheBlockchain.sln

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@@ -11,6 +11,10 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PrivateKey", "PrivateKey\Pr
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Transaction", "Transaction\Transaction.csproj", "{F50F451C-4D92-468A-BBA2-1C18D3B9EA5F}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SpendYourCoins", "SpendYourCoins\SpendYourCoins.csproj", "{D8C1E36E-BDB6-414A-A7CD-AAB042BA6F0F}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ProofOfOwnership", "ProofOfOwnership\ProofOfOwnership.csproj", "{4916EFA5-06BD-45EB-8263-3DD572F93265}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
@@ -33,6 +37,14 @@ Global
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{F50F451C-4D92-468A-BBA2-1C18D3B9EA5F}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{F50F451C-4D92-468A-BBA2-1C18D3B9EA5F}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{F50F451C-4D92-468A-BBA2-1C18D3B9EA5F}.Release|Any CPU.Build.0 = Release|Any CPU
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{D8C1E36E-BDB6-414A-A7CD-AAB042BA6F0F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{D8C1E36E-BDB6-414A-A7CD-AAB042BA6F0F}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{D8C1E36E-BDB6-414A-A7CD-AAB042BA6F0F}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{D8C1E36E-BDB6-414A-A7CD-AAB042BA6F0F}.Release|Any CPU.Build.0 = Release|Any CPU
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{4916EFA5-06BD-45EB-8263-3DD572F93265}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{4916EFA5-06BD-45EB-8263-3DD572F93265}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{4916EFA5-06BD-45EB-8263-3DD572F93265}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{4916EFA5-06BD-45EB-8263-3DD572F93265}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE

‎ProofOfOwnership/App.config

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<?xml version="1.0" encoding="utf-8" ?>
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<configuration>
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<startup>
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<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5.2" />
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</startup>
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</configuration>

‎ProofOfOwnership/Program.cs

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using System;
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using NBitcoin;
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// ReSharper disable All
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namespace ProofOfOwnership
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{
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class Program
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{
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static void Main()
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{
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SignAsCraigWright();
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VerifySatoshi();
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VerifyDorier();
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Console.ReadLine();
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}
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static void SignAsCraigWright()
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{
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var bitcoinPrivateKey = new BitcoinSecret("KzgjNRhcJ3HRjxVdFhv14BrYUKrYBzdoxQyR2iJBHG9SNGGgbmtC");
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var message = "I am Craig Wright";
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string signature = bitcoinPrivateKey.PrivateKey.SignMessage(message);
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Console.WriteLine(signature); // IN5v9+3HGW1q71OqQ1boSZTm0/DCiMpI8E4JB1nD67TCbIVMRk/e3KrTT9GvOuu3NGN0w8R2lWOV2cxnBp+Of8c=
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}
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static void VerifySatoshi()
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{
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var message = "I am Craig Wright";
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var signature = "IN5v9+3HGW1q71OqQ1boSZTm0/DCiMpI8E4JB1nD67TCbIVMRk/e3KrTT9GvOuu3NGN0w8R2lWOV2cxnBp+Of8c=";
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var address = new BitcoinPubKeyAddress("1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa");
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bool isCraigWrightSatoshi = address.VerifyMessage(message, signature);
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Console.WriteLine("Is Craig Wright Satoshi? " + isCraigWrightSatoshi);
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}
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static void VerifyDorier()
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{
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var address = new BitcoinPubKeyAddress("1KF8kUVHK42XzgcmJF4Lxz4wcL5WDL97PB");
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var message = "Nicolas Dorier Book Funding Address";
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var signature = "H1jiXPzun3rXi0N9v9R5fAWrfEae9WPmlL5DJBj1eTStSvpKdRR8Io6/uT9tGH/3OnzG6ym5yytuWoA9ahkC3dQ=";
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Console.WriteLine(address.VerifyMessage(message, signature));
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}
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}
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}

‎ProofOfOwnership/ProofOfOwnership.csproj

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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
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<PropertyGroup>
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<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
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<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
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<ProjectGuid>{4916EFA5-06BD-45EB-8263-3DD572F93265}</ProjectGuid>
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<OutputType>Exe</OutputType>
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<AppDesignerFolder>Properties</AppDesignerFolder>
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<RootNamespace>ProofOfOwnership</RootNamespace>
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<AssemblyName>ProofOfOwnership</AssemblyName>
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<TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
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<FileAlignment>512</FileAlignment>
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<AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
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<PlatformTarget>AnyCPU</PlatformTarget>
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<DebugSymbols>true</DebugSymbols>
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<DebugType>full</DebugType>
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<Optimize>false</Optimize>
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<OutputPath>bin\Debug\</OutputPath>
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<DefineConstants>DEBUG;TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
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<PlatformTarget>AnyCPU</PlatformTarget>
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<DebugType>pdbonly</DebugType>
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<Optimize>true</Optimize>
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<OutputPath>bin\Release\</OutputPath>
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<DefineConstants>TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<ItemGroup>
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<Reference Include="NBitcoin, Version=3.0.0.30, Culture=neutral, processorArchitecture=MSIL">
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<HintPath>..\packages\NBitcoin.3.0.0.30\lib\net45\NBitcoin.dll</HintPath>
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<Private>True</Private>
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</Reference>
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<Reference Include="NBitcoin.BouncyCastle, Version=1.0.0.0, Culture=neutral, processorArchitecture=MSIL">
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<HintPath>..\packages\NBitcoin.3.0.0.30\lib\net45\NBitcoin.BouncyCastle.dll</HintPath>
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<Private>True</Private>
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</Reference>
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<Reference Include="Newtonsoft.Json, Version=6.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
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<HintPath>..\packages\Newtonsoft.Json.6.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
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<Private>True</Private>
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</Reference>
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<Reference Include="System" />
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<Reference Include="System.Core" />
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<Reference Include="System.Xml.Linq" />
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<Reference Include="System.Data.DataSetExtensions" />
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<Reference Include="Microsoft.CSharp" />
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<Reference Include="System.Data" />
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<Reference Include="System.Net.Http" />
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<Reference Include="System.Xml" />
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</ItemGroup>
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<ItemGroup>
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<Compile Include="Program.cs" />
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<Compile Include="Properties\AssemblyInfo.cs" />
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</ItemGroup>
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<ItemGroup>
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<None Include="App.config" />
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<None Include="packages.config" />
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</ItemGroup>
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<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
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<!-- To modify your build process, add your task inside one of the targets below and uncomment it.
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Other similar extension points exist, see Microsoft.Common.targets.
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<Target Name="BeforeBuild">
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</Target>
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<Target Name="AfterBuild">
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</Target>
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-->
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</Project>

‎ProofOfOwnership/Properties/AssemblyInfo.cs

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using System.Reflection;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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// General Information about an assembly is controlled through the following
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// set of attributes. Change these attribute values to modify the information
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// associated with an assembly.
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[assembly: AssemblyTitle("ProofOfOwnership")]
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[assembly: AssemblyDescription("")]
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[assembly: AssemblyConfiguration("")]
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[assembly: AssemblyCompany("")]
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[assembly: AssemblyProduct("ProofOfOwnership")]
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[assembly: AssemblyCopyright("Copyright © 2016")]
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[assembly: AssemblyTrademark("")]
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[assembly: AssemblyCulture("")]
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// Setting ComVisible to false makes the types in this assembly not visible
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// to COM components. If you need to access a type in this assembly from
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// COM, set the ComVisible attribute to true on that type.
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[assembly: ComVisible(false)]
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// The following GUID is for the ID of the typelib if this project is exposed to COM
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[assembly: Guid("4916efa5-06bd-45eb-8263-3dd572f93265")]
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// Version information for an assembly consists of the following four values:
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//
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// Major Version
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// Minor Version
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// Build Number
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// Revision
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//
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// You can specify all the values or you can default the Build and Revision Numbers
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// by using the '*' as shown below:
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// [assembly: AssemblyVersion("1.0.*")]
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[assembly: AssemblyVersion("1.0.0.0")]
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[assembly: AssemblyFileVersion("1.0.0.0")]

‎ProofOfOwnership/packages.config

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<?xml version="1.0" encoding="utf-8"?>
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<packages>
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<package id="NBitcoin" version="3.0.0.30" targetFramework="net452" />
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<package id="Newtonsoft.Json" version="6.0.1" targetFramework="net452" />
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</packages>

‎SpendYourCoins/App.config

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<?xml version="1.0" encoding="utf-8" ?>
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<configuration>
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<startup>
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<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5.2" />
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</startup>
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</configuration>

‎SpendYourCoins/Program.cs

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using System;
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using System.Text;
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using System.Threading.Tasks;
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using NBitcoin;
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using QBitNinja.Client;
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using QBitNinja.Client.Models;
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// ReSharper disable All
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namespace SpendYourCoins
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{
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class Program
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{
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static void Main()
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{
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#region CREATE NEW PRIVKEY
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//var network = Network.TestNet;
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//Key privateKey = new Key();
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//var bitcoinPrivateKey = privateKey.GetWif(network);
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#endregion
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#region IMPORT PRIVKEY
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var bitcoinPrivateKey = new BitcoinSecret("cSZjE4aJNPpBtU6xvJ6J4iBzDgTmzTjbq8w2kqnYvAprBCyTsG4x");
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var network = bitcoinPrivateKey.Network;
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#endregion
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var address = bitcoinPrivateKey.GetAddress();
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Console.WriteLine(bitcoinPrivateKey); // cSZjE4aJNPpBtU6xvJ6J4iBzDgTmzTjbq8w2kqnYvAprBCyTsG4x
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Console.WriteLine(address); // mzK6Jy5mer3ABBxfHdcxXEChsn3mkv8qJv
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Console.WriteLine();
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var client = new QBitNinjaClient(network);
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var transactionId = uint256.Parse("e44587cf08b4f03b0e8b4ae7562217796ec47b8c91666681d71329b764add2e3");
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var transactionResponse = client.GetTransaction(transactionId).Result;
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Console.WriteLine(transactionResponse.TransactionId); // e44587cf08b4f03b0e8b4ae7562217796ec47b8c91666681d71329b764add2e3
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Console.WriteLine(transactionResponse.Block.Confirmations);
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Console.WriteLine();
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var receivedCoins = transactionResponse.ReceivedCoins;
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OutPoint outPointToSpend = null;
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Script scriptPubKeyToSpend = null;
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foreach (var coin in receivedCoins)
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{
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if (coin.TxOut.ScriptPubKey == bitcoinPrivateKey.ScriptPubKey)
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{
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outPointToSpend = coin.Outpoint;
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scriptPubKeyToSpend = coin.GetScriptCode();
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}
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}
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if(outPointToSpend == null)
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throw new Exception("TxOut doesn't contain our ScriptPubKey");
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Console.WriteLine("We want to spend {0}. outpoint:", outPointToSpend.N + 1);
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var transaction = new Transaction();
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transaction.Inputs.Add(new TxIn()
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{
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PrevOut = outPointToSpend
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});
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// var hallOfTheMakersAddress = new BitcoinPubKeyAddress("1KF8kUVHK42XzgcmJF4Lxz4wcL5WDL97PB");
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var hallOfTheMakersAddress = new BitcoinPubKeyAddress("mzp4No5cmCXjZUpf112B1XWsvWBfws5bbB");
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// How much you want to TO
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var hallOfTheMakersAmount = new Money((decimal)0.5, MoneyUnit.BTC);
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/* At the time of writing the mining fee is 0.05usd
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* Depending on the market price and
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* On the currently advised mining fee,
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* You may consider to increase or decrease it
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*/
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var minerFee = new Money((decimal)0.0001, MoneyUnit.BTC);
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// How much you want to spend FROM
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var txInAmount = (Money)receivedCoins[(int) outPointToSpend.N].Amount;
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Money changeBackAmount = txInAmount - hallOfTheMakersAmount - minerFee;
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TxOut hallOfTheMakersTxOut = new TxOut()
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{
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Value = hallOfTheMakersAmount,
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ScriptPubKey = hallOfTheMakersAddress.ScriptPubKey
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};
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TxOut changeBackTxOut = new TxOut()
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{
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Value = changeBackAmount,
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ScriptPubKey = bitcoinPrivateKey.ScriptPubKey
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};
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transaction.Outputs.Add(hallOfTheMakersTxOut);
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transaction.Outputs.Add(changeBackTxOut);
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var message = "nopara73 loves NBitcoin!";
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var bytes = Encoding.UTF8.GetBytes(message);
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transaction.Outputs.Add(new TxOut()
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{
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Value = Money.Zero,
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ScriptPubKey = TxNullDataTemplate.Instance.GenerateScriptPubKey(bytes)
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});
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TxIn input = transaction.Inputs[0];
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input.ScriptSig = hallOfTheMakersAddress.ScriptPubKey;
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transaction.Sign(bitcoinPrivateKey, false);
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BroadcastResponse broadcastResponse = client.Broadcast(transaction).Result;
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if (!broadcastResponse.Success)
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{
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Console.WriteLine("ErrorCode: " + broadcastResponse.Error.ErrorCode);
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Console.WriteLine("Error message: " + broadcastResponse.Error.Reason);
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}
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Console.ReadLine();
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}
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}
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}

‎SpendYourCoins/Properties/AssemblyInfo.cs

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using System.Reflection;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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// General Information about an assembly is controlled through the following
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// set of attributes. Change these attribute values to modify the information
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// associated with an assembly.
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[assembly: AssemblyTitle("SpendYourCoins")]
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[assembly: AssemblyDescription("")]
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[assembly: AssemblyConfiguration("")]
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[assembly: AssemblyCompany("")]
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[assembly: AssemblyProduct("SpendYourCoins")]
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[assembly: AssemblyCopyright("Copyright © 2016")]
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[assembly: AssemblyTrademark("")]
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[assembly: AssemblyCulture("")]
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// Setting ComVisible to false makes the types in this assembly not visible
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// to COM components. If you need to access a type in this assembly from
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// COM, set the ComVisible attribute to true on that type.
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[assembly: ComVisible(false)]
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// The following GUID is for the ID of the typelib if this project is exposed to COM
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[assembly: Guid("d8c1e36e-bdb6-414a-a7cd-aab042ba6f0f")]
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// Version information for an assembly consists of the following four values:
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//
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// Major Version
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// Minor Version
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// Build Number
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// Revision
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//
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// You can specify all the values or you can default the Build and Revision Numbers
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// by using the '*' as shown below:
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// [assembly: AssemblyVersion("1.0.*")]
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[assembly: AssemblyVersion("1.0.0.0")]
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[assembly: AssemblyFileVersion("1.0.0.0")]

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