diff --git a/ProjectPlugins/CodexContractsPlugin/SelfUpdater.cs b/ProjectPlugins/CodexContractsPlugin/SelfUpdater.cs
index 093c37e..1f612fb 100644
--- a/ProjectPlugins/CodexContractsPlugin/SelfUpdater.cs
+++ b/ProjectPlugins/CodexContractsPlugin/SelfUpdater.cs
@@ -3,14 +3,106 @@
     public class SelfUpdater
     {
         public void Update(string abi, string bytecode)
+        {
+            var filePath = GetMarketplaceFilePath();
+            var content = GenerateContent(abi, bytecode);
+            var contentLines = content.Split("\r\n");
+
+            var beginWith = new string[]
+            {
+                "using Nethereum.ABI.FunctionEncoding.Attributes;",
+                "using Nethereum.Contracts;",
+                "using System.Numerics;",
+                "",
+                "// Generated code, do not modify.",
+                "",
+                "#pragma warning disable CS8618 // Non-nullable field must contain a non-null value when exiting constructor. Consider declaring as nullable.",
+                "namespace CodexContractsPlugin.Marketplace",
+                "{"
+            };
+
+            var endWith = new string[]
+            {
+                "}",
+                "#pragma warning restore CS8618 // Non-nullable field must contain a non-null value when exiting constructor. Consider declaring as nullable."
+            };
+
+            File.Delete(filePath);
+            File.WriteAllLines(filePath,
+                beginWith.Concat(
+                contentLines.Concat(
+                endWith))
+            );
+
+            throw new Exception("Oh no! CodexContracts were updated. Current build of CodexContractsPlugin is incompatible. " +
+                "But fear not! SelfUpdater.cs has automatically updated the plugin. Just rebuild and rerun and it should work. " +
+                "Just in case, manual update instructions are found here: 'CodexContractsPlugin/Marketplace/README.md'.");
+        }
+
+        private string GetMarketplaceFilePath()
+        {
+            var here = Directory.GetCurrentDirectory();
+            while (true)
+            {
+                var path = GetMarketplaceFile(here);
+                if (path != null) return path;
+
+                var parent = Directory.GetParent(here);
+                var up = parent?.FullName;
+                if (up == null || up == here) throw new Exception("Unable to locate ProjectPlugins folder. Unable to update contracts.");
+                here = up;
+            }
+        }
+
+        private string? GetMarketplaceFile(string root)
+        {
+            var path = Path.Combine(root, "ProjectPlugins", "CodexContractsPlugin", "Marketplace", "Marketplace.cs");
+            if (File.Exists(path)) return path;
+            return null;
+        }
+
+        private string GenerateContent(string abi, string bytecode)
         {
             var deserializer = new Nethereum.Generators.Net.GeneratorModelABIDeserialiser();
             var abiModel = deserializer.DeserialiseABI(abi);
             var abiCtor = abiModel.Constructor;
-            //var b = new Nethereum.Generators.Console.ConsoleGenerator(abiModel, "Marketplace", bytecode, "namespace", "cqsNamespace", "fucntionoutputnamespace", Nethereum.Generators.Core.CodeGenLanguage.CSharp);
             var c = new Nethereum.Generators.CQS.ContractDeploymentCQSMessageGenerator(abiCtor, "namespace", bytecode, "Marketplace", Nethereum.Generators.Core.CodeGenLanguage.CSharp);
-            var lines = c.GenerateClass();
-            var a = 0;
+            var lines = "";
+            lines += c.GenerateClass();
+            lines += "\r\n";
+
+            foreach (var eventAbi in abiModel.Events)
+            {
+                var d = new Nethereum.Generators.DTOs.EventDTOGenerator(eventAbi, "namespace", Nethereum.Generators.Core.CodeGenLanguage.CSharp);
+                lines += d.GenerateClass();
+                lines += "\r\n";
+            }
+
+            foreach (var errorAbi in abiModel.Errors)
+            {
+                var e = new Nethereum.Generators.DTOs.ErrorDTOGenerator(errorAbi, "namespace", Nethereum.Generators.Core.CodeGenLanguage.CSharp);
+                lines += e.GenerateClass();
+                lines += "\r\n";
+            }
+
+            foreach (var funcAbi in abiModel.Functions)
+            {
+                var f = new Nethereum.Generators.DTOs.FunctionOutputDTOGenerator(funcAbi, "namespace", Nethereum.Generators.Core.CodeGenLanguage.CSharp);
+                var ff = new Nethereum.Generators.CQS.FunctionCQSMessageGenerator(funcAbi, "namespace", "funcoutput", Nethereum.Generators.Core.CodeGenLanguage.CSharp);
+                lines += f.GenerateClass();
+                lines += "\r\n";
+                lines += ff.GenerateClass();
+                lines += "\r\n";
+            }
+
+            foreach (var structAbi in abiModel.Structs)
+            {
+                var g = new Nethereum.Generators.DTOs.StructTypeGenerator(structAbi, "namespace", Nethereum.Generators.Core.CodeGenLanguage.CSharp);
+                lines += g.GenerateClass();
+                lines += "\r\n";
+            }
+
+            return lines;
         }
     }
 }