From 425889454bd049aee2a0825fb0bb693c9e12661e Mon Sep 17 00:00:00 2001
From: Rebegea Dragos-Alexandru <dragos.rebegea@multiversx.com>
Date: Wed, 4 Jun 2025 14:33:25 +0300
Subject: [PATCH] plugins compiled code

---
 src/common/plugins/plugin.service.ts          | 77 +++++++++++++++++--
 .../plugin.module.ts.template                 | 39 +++++++++-
 2 files changed, 108 insertions(+), 8 deletions(-)

diff --git a/src/common/plugins/plugin.service.ts b/src/common/plugins/plugin.service.ts
index 317c32e99..8de7c7f8c 100644
--- a/src/common/plugins/plugin.service.ts
+++ b/src/common/plugins/plugin.service.ts
@@ -1,21 +1,84 @@
-import { Injectable } from "@nestjs/common";
+import { Injectable, Logger } from "@nestjs/common";
 import { NestExpressApplication } from "@nestjs/platform-express";
 import { AccountDetailed } from "src/endpoints/accounts/entities/account.detailed";
 import { About } from "src/endpoints/network/entities/about";
 import { Nft } from "src/endpoints/nfts/entities/nft";
 import { Transaction } from "src/endpoints/transactions/entities/transaction";
 
+export interface IPlugin {
+  name: string;
+  version: string;
+  processTransactions?(transactions: Transaction[], withScamInfo?: boolean): Promise<void>;
+  processTransactionSend?(transaction: any): Promise<any>;
+  processAccount?(account: AccountDetailed): Promise<void>;
+  bootstrapPublicApp?(application: NestExpressApplication): Promise<void>;
+  batchProcessNfts?(nfts: Nft[], withScamInfo?: boolean): Promise<void>;
+  processAbout?(about: About): Promise<void>;
+}
+
 @Injectable()
 export class PluginService {
-  async processTransactions(_transactions: Transaction[], _withScamInfo?: boolean): Promise<void> { }
+  private readonly logger = new Logger(PluginService.name);
+  private plugins: IPlugin[] = [];
+
+  registerPlugins(plugins: IPlugin[]) {
+    for (const plugin of plugins) {
+      try {
+        if (!plugin.name || !plugin.version) {
+          throw new Error('Plugin must have name and version');
+        }
+        this.plugins.push(plugin);
+        this.logger.log(`Registered plugin: ${plugin.name} v${plugin.version}`);
+      } catch (err) {
+        this.logger.error(`Failed to register plugin:`, err);
+      }
+    }
+  }
+
+  private async executePluginMethod<T>(methodName: keyof IPlugin, ...args: any[]): Promise<void> {
+    for (const plugin of this.plugins) {
+      const method = plugin[methodName] as Function;
+      if (method) {
+        try {
+          await method.apply(plugin, args);
+        } catch (err) {
+          this.logger.error(`Error in plugin ${plugin.name} method ${methodName}:`, err);
+        }
+      }
+    }
+  }
+
+  async processTransactions(transactions: Transaction[], withScamInfo?: boolean): Promise<void> {
+    await this.executePluginMethod('processTransactions', transactions, withScamInfo);
+  }
 
-  async processTransactionSend(_transaction: any): Promise<any> { }
+  async processTransactionSend(transaction: any): Promise<any> {
+    let result = transaction;
+    for (const plugin of this.plugins) {
+      if (plugin.processTransactionSend) {
+        try {
+          result = await plugin.processTransactionSend(result);
+        } catch (err) {
+          this.logger.error(`Error in plugin ${plugin.name} processTransactionSend:`, err);
+        }
+      }
+    }
+    return result;
+  }
 
-  async processAccount(_account: AccountDetailed): Promise<void> { }
+  async processAccount(account: AccountDetailed): Promise<void> {
+    await this.executePluginMethod('processAccount', account);
+  }
 
-  async bootstrapPublicApp(_application: NestExpressApplication): Promise<void> { }
+  async bootstrapPublicApp(application: NestExpressApplication): Promise<void> {
+    await this.executePluginMethod('bootstrapPublicApp', application);
+  }
 
-  async batchProcessNfts(_nfts: Nft[], _withScamInfo?: boolean): Promise<void> { }
+  async batchProcessNfts(nfts: Nft[], withScamInfo?: boolean): Promise<void> {
+    await this.executePluginMethod('batchProcessNfts', nfts, withScamInfo);
+  }
 
-  async processAbout(_about: About): Promise<void> { }
+  async processAbout(about: About): Promise<void> {
+    await this.executePluginMethod('processAbout', about);
+  }
 }
diff --git a/src/plugins.template/plugin.module.ts.template b/src/plugins.template/plugin.module.ts.template
index d2d5acab7..1c733c7c8 100644
--- a/src/plugins.template/plugin.module.ts.template
+++ b/src/plugins.template/plugin.module.ts.template
@@ -1,8 +1,45 @@
 import { Module } from "@nestjs/common";
 import { PluginService } from "../common/plugins/plugin.service";
+import * as fs from 'fs';
+import * as path from 'path';
+
+// Load compiled plugins
+const compiledPluginsPath = path.join(__dirname, 'compiled');
+const loadCompiledPlugins = () => {
+  const plugins = [];
+  if (fs.existsSync(compiledPluginsPath)) {
+    const entries = fs.readdirSync(compiledPluginsPath);
+    for (const entry of entries) {
+      const pluginPath = path.join(compiledPluginsPath, entry);
+      if (fs.statSync(pluginPath).isDirectory()) {
+        const distPath = path.join(pluginPath, 'dist', 'index.js');
+        if (fs.existsSync(distPath)) {
+          try {
+            const plugin = require(distPath);
+            plugins.push(plugin);
+          } catch (err) {
+            console.error(`Failed to load compiled plugin ${entry}:`, err);
+          }
+        }
+      }
+    }
+  }
+  return plugins;
+};
 
 @Module({
-  providers: [PluginService],
+  providers: [
+    {
+      provide: PluginService,
+      useFactory: () => {
+        const service = new PluginService();
+        // Load and register compiled plugins
+        const compiledPlugins = loadCompiledPlugins();
+        service.registerPlugins(compiledPlugins);
+        return service;
+      },
+    },
+  ],
   exports: [PluginService],
 })
 export class PluginModule { }