feat: add endpoint to list providers and jsonschema property

Author: cyrng

lib/HermesMessengerPlugin.ts

@@ -34,6 +34,10 @@ export class ProviderManager {
 
     return this.providers.get(providerName);
   }
+
+  listProviders(): BaseProvider<any>[] {
+    return Array.from(this.providers.values());
+  }
 }
 
 export class HermesMessengerPlugin extends Plugin {
@@ -130,7 +134,9 @@ export class HermesMessengerPlugin extends Plugin {
 
     await this.providerManager.init(this.config, this.context);
 
-    this.api = {};
+    this.api = {
+      hermes: this.controller.definition,
+    };
 
     await this.initDatabase();
     await this.initConfig();

lib/controllers/ProviderController.ts

@@ -56,6 +56,10 @@ export class ProviderController {
           handler: this.listAccounts.bind(this),
           http: [{ verb: "get", path: `hermes/providers/:provider/accounts` }],
         },
+        listProviders: {
+          handler: this.listProviders.bind(this),
+          http: [{ verb: "get", path: `hermes/providers` }],
+        },
       },
     };
   }
@@ -99,4 +103,8 @@ export class ProviderController {
 
     return { accounts };
   }
+
+  async listProviders() {
+    return this.providerManager.listProviders();
+  }
 }

lib/providers/BaseProvider.ts

@@ -25,6 +25,8 @@ export abstract class BaseProvider<T> {
   protected EVENT_ACCOUNT_ADD: string;
   protected EVENT_ACCOUNT_REMOVE: string;
 
+  protected jsonSchema: JSONObject;
+
   get sdk() {
     return this.context.accessors.sdk;
   }
@@ -33,8 +35,9 @@ export abstract class BaseProvider<T> {
     return this.context.accessors.cluster;
   }
 
-  constructor(name: string) {
+  constructor(name: string, jsonSchema: JSONObject) {
     this.name = name;
+    this.jsonSchema = jsonSchema;
 
     this.EVENT_ACCOUNT_ADD = `${this.name}:account:add`;
     this.EVENT_ACCOUNT_REMOVE = `${this.name}:account:remove`;
@@ -74,6 +77,10 @@ export abstract class BaseProvider<T> {
     return this.name;
   }
 
+  getJsonSchema(): JSONObject {
+    return this.jsonSchema;
+  }
+
   abstract send(
     account: string,
     to: string[],