Begin CompileContracts with solcjs.

src/Stratis.VS.SolidityProjectBuildTasks/CompileContracts.cs

@@ -1,4 +1,6 @@
 using System;
+using System.Diagnostics;
+using System.IO;
 using System.Linq;
 using Microsoft.Build.Framework;
 using Microsoft.Build.Utilities;
@@ -18,8 +20,24 @@ public class CompileContracts : Task
 
         public override bool Execute()
         {
-            Log.LogMessage(MessageImportance.High, "{0}:{1}", ExtDir, Contracts.Select(c => c.ItemSpec).ToArray());
-            return true;
+            var solcpath = Directory.Exists(Path.Combine(ProjectDir, "node_modules", "solc", "solc.js")) ? Path.Combine(ProjectDir, "node_modules", "solc", "solc.js") :
+                Path.Combine(ExtDir, "node_modules", "solc", "solc.js");
+            Log.LogMessage(MessageImportance.High, "Compiling {0} files in directory:{1}", Contracts.Count(), ProjectDir);
+
+
+            var psi = new ProcessStartInfo("cmd.exe", "/c node" + solcpath + " --base-path=\"" + ProjectDir + "\"")
+            {
+                WorkingDirectory = ProjectDir,
+                CreateNoWindow = true,  
+                RedirectStandardOutput = false,  
+                RedirectStandardInput = false,   
+                RedirectStandardError = false,
+            };
+            var p = new Process()
+            {
+                StartInfo = psi   
+            };
+            return false;
         }
     }
 }

src/Stratis.VS.SolidityProjectBuildTasks/SolidityCompilerIO.cs

@@ -0,0 +1,117 @@
+namespace Stratis.VS.StratisEVM.SolidityCompilerIO
+{
+    using System;
+    using System.Collections.Generic;
+
+    using System.Globalization;
+    using Newtonsoft.Json;
+    using Newtonsoft.Json.Converters;
+
+    public partial class SolidityCompilerInput
+    {
+        [JsonProperty("language")]
+        public string Language { get; set; }
+
+        [JsonProperty("sources")]
+        public Sources Sources { get; set; }
+
+        [JsonProperty("settings")]
+        public Settings Settings { get; set; }
+    }
+
+    public partial class Settings
+    {
+        [JsonProperty("remappings")]
+        public string[] Remappings { get; set; }
+
+        [JsonProperty("optimizer")]
+        public Optimizer Optimizer { get; set; }
+
+        [JsonProperty("evmVersion")]
+        public string EvmVersion { get; set; }
+
+        [JsonProperty("metadata")]
+        public Metadata Metadata { get; set; }
+
+        [JsonProperty("libraries")]
+        public Libraries Libraries { get; set; }
+
+        [JsonProperty("outputSelection")]
+        public OutputSelection OutputSelection { get; set; }
+    }
+
+    public partial class Libraries
+    {
+        [JsonProperty("myFile.sol")]
+        public LibrariesMyFileSol MyFileSol { get; set; }
+    }
+
+    public partial class LibrariesMyFileSol
+    {
+        [JsonProperty("MyLib")]
+        public string MyLib { get; set; }
+    }
+
+    public partial class Metadata
+    {
+        [JsonProperty("useLiteralContent")]
+        public bool UseLiteralContent { get; set; }
+    }
+
+    public partial class Optimizer
+    {
+        [JsonProperty("enabled")]
+        public bool Enabled { get; set; }
+
+        [JsonProperty("runs")]
+        public long Runs { get; set; }
+    }
+
+    public partial class OutputSelection
+    {
+        [JsonProperty("*")]
+        public Empty Empty { get; set; }
+
+        [JsonProperty("def")]
+        public Def Def { get; set; }
+    }
+
+    public partial class Def
+    {
+        [JsonProperty("MyContract")]
+        public string[] MyContract { get; set; }
+    }
+
+    public partial class Empty
+    {
+        [JsonProperty("")]
+        public string[] Purple { get; set; }
+    }
+
+    public partial class Sources
+    {
+        [JsonProperty("myFile.sol")]
+        public SourcesMyFileSol MyFileSol { get; set; }
+
+        [JsonProperty("mortal")]
+        public Mortal Mortal { get; set; }
+    }
+
+    public partial class Mortal
+    {
+        [JsonProperty("keccak256")]
+        public string Keccak256 { get; set; }
+
+        [JsonProperty("content")]
+        public string Content { get; set; }
+    }
+
+    public partial class SourcesMyFileSol
+    {
+        [JsonProperty("keccak256")]
+        public string Keccak256 { get; set; }
+
+        [JsonProperty("urls")]
+        public string[] Urls { get; set; }
+    }
+}

src/Stratis.VS.SolidityProjectBuildTasks/Stratis.VS.SolidityProjectBuildTasks.csproj

@@ -11,6 +11,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Build.Utilities.Core" Version="17.6.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
   </ItemGroup>
 
 </Project>