feat: add plugin management methods to RPCHandler

src/core/RPCHandler.ts

@@ -3,6 +3,7 @@ import { RPCClient } from "./RPCClient";
 import { RPCServer } from "./RPCServer";
 import { RPCProvider } from "./RPCProvider";
 import { RPCSession } from "./RPCSession";
+import { RPCPlugin } from "./RPCPlugin";
 
 const DefaultListenOptions = {
     port: 5201,
@@ -34,6 +35,7 @@ export class RPCHandler extends EventEmitter<RPCHandlerEvents> {
     private provider?: RPCProvider;
     private accessKey?: string;
     private config: RPCConfig;
+    private plugins: RPCPlugin[] = [];
 
     constructor(
         args?: {
@@ -88,6 +90,29 @@ export class RPCHandler extends EventEmitter<RPCHandlerEvents> {
         }
     }
 
+    loadPlugin(plugin: RPCPlugin): boolean {
+        const plugins = this.plugins;
+        if (plugins.includes(plugin)) {
+            return false;
+        }
+        plugins.push(plugin);
+        return true;
+    }
+
+    unloadPlugin(plugin: RPCPlugin): boolean {
+        const plugins = this.plugins;
+        const idx = plugins.indexOf(plugin);
+        if (idx === -1) {
+            return false;
+        }
+        plugins.splice(idx, 1);
+        return true;
+    }
+
+    getPlugins(): RPCPlugin[] {
+        return [...this.plugins];
+    }
+
     async connect(options: {
         url?: string;
         accessKey?: string;