cleanup

example/index.tsx

@@ -12,36 +12,6 @@ const App = () => {
 
   useEffect(() => {
     (async () => {
-/*       const webSK = "5acff99d1ad3e1706360d213fd69203312d9b5e91a2d5f2e06100cc6f686e5b3";
-      const webPK = getPublicKey(webSK);
-      console.log('webPk', webPK);
-
-      const sessionWeb = new Session({
-        target: webPK,
-        relay: 'wss://nostr.vulpem.com',
-        metadata: {
-          name: 'My Website',
-          description: 'lorem ipsum dolor sit amet',
-          url: 'https://vulpem.com',
-          icons: ['https://vulpem.com/1000x860-p-500.422be1bc.png'],
-        }
-      });
-      sessionWeb.on(ConnectMessageType.PAIRED, (msg: any) => {
-        console.log('paired event', msg);
-      });
-      await sessionWeb.listen(webSK);
-
-      // mobile app (this can be a child key)
-      const sessionMobile = Session.fromConnectURI(sessionWeb.connectURI);// 'nostr://connect?target=...&metadata=...'
-      const mobileSK = "ed779ff047f99c95f732b22c9f8f842afb870c740aab591776ebc7b64e83cf6c";
-      const mobilePK = getPublicKey(mobileSK);
-      console.log('mobilePK', mobilePK);
-
-      // we define the behavior of the mobile app for each requests
-      await sessionMobile.listen(mobileSK);
-      await sessionMobile.pair(mobileSK);
-
- */
       
     })();
   }, []);

src/connect.ts

@@ -1,11 +1,11 @@
-import { Event, nip04, relayInit } from "nostr-tools";
+import { Event, nip04, relayInit } from 'nostr-tools';
-import { prepareRequest, prepareResponse } from "./event";
+import { prepareRequest } from './event';
-import { Session, SessionStatus } from "./session";
+import { Session, SessionStatus } from './session';
 
 export interface ConnectMessage {
-  type: ConnectMessageType,
+  type: ConnectMessageType;
-  value?: any
+  value?: any;
-  requestID?: string,
+  requestID?: string;
 }
 
 export enum ConnectMessageType {
@@ -16,28 +16,30 @@ export enum ConnectMessageType {
 }
 
 export interface PairingACK extends ConnectMessage {
-  type: ConnectMessageType.PAIRED,
+  type: ConnectMessageType.PAIRED;
   value: {
-    pubkey: string,
+    pubkey: string;
-  }
+  };
 }
 
 export interface PairingNACK extends ConnectMessage {
-  type: ConnectMessageType.UNPAIRED
+  type: ConnectMessageType.UNPAIRED;
 }
 
 export interface GetPublicKeyRequest extends ConnectMessage {
-  type: ConnectMessageType.GET_PUBLIC_KEY_REQUEST
+  type: ConnectMessageType.GET_PUBLIC_KEY_REQUEST;
 }
 
 export interface GetPublicKeyResponse extends ConnectMessage {
-  type: ConnectMessageType.GET_PUBLIC_KEY_RESPONSE,
+  type: ConnectMessageType.GET_PUBLIC_KEY_RESPONSE;
   value: {
-    pubkey: string,
+    pubkey: string;
-  }
+  };
 }
 
-export function responseTypeForRequestType(type: ConnectMessageType): ConnectMessageType {
+export function responseTypeForRequestType(
+  type: ConnectMessageType
+): ConnectMessageType {
   switch (type) {
     case ConnectMessageType.GET_PUBLIC_KEY_REQUEST:
       return ConnectMessageType.GET_PUBLIC_KEY_RESPONSE;
@@ -62,14 +64,20 @@ export class Connect {
   }
 
   async sendMessage(message: ConnectMessage): Promise<ConnectMessage> {
-    if (this.session.status !== SessionStatus.PAIRED) throw new Error('Session is not paired');
+    if (this.session.status !== SessionStatus.PAIRED)
+      throw new Error('Session is not paired');
     if (!this.session.target) throw new Error('Target is required');
     if (!this.session.remote) throw new Error('Remote is required');
 
     const { target, remote } = this.session;
 
     // send request to remote
-    const {event, requestID} = await prepareRequest(target, remote, message, this.targetPrivateKey);
+    const { event, requestID } = await prepareRequest(
+      target,
+      remote,
+      message,
+      this.targetPrivateKey
+    );
     console.log(`sending message ${message.type} with requestID ${requestID}`);
     const id = await this.session.sendEvent(event, this.targetPrivateKey);
     if (!id) throw new Error('Failed to send message ' + message.type);
@@ -84,22 +92,31 @@ export class Connect {
       });
 
       // waiting for response from remote
-      let sub = relay.sub([{
+      let sub = relay.sub([
+        {
           kinds: [4],
           authors: [remote],
           //since: now,
-        "#p": [target],
+          '#p': [target],
           limit: 1,
-      }]);
+        },
-  
+      ]);
 
       sub.on('event', async (event: Event) => {
-        const plaintext = await nip04.decrypt(this.targetPrivateKey, event.pubkey, event.content);
+        const plaintext = await nip04.decrypt(
+          this.targetPrivateKey,
+          event.pubkey,
+          event.content
+        );
         console.log('plaintext', plaintext);
         console.log('requestID', requestID);
         const payload = JSON.parse(plaintext);
         if (!payload) return;
-        if (!Object.keys(payload).includes('requestID') || !Object.keys(payload).includes('message')) return;
+        if (
+          !Object.keys(payload).includes('requestID') ||
+          !Object.keys(payload).includes('message')
+        )
+          return;
         if (payload.requestID !== requestID) return;
         const msg = payload.message as ConnectMessage;
         const responseType = responseTypeForRequestType(msg.type);
@@ -111,16 +128,14 @@ export class Connect {
         sub.unsub();
       });
     });
-    
   }
 
-
-
   async getPublicKey(): Promise<string> {
     const response: ConnectMessage = await this.sendMessage({
-      type: ConnectMessageType.GET_PUBLIC_KEY_REQUEST
+      type: ConnectMessageType.GET_PUBLIC_KEY_REQUEST,
     });
-    if (response.type !== ConnectMessageType.GET_PUBLIC_KEY_RESPONSE) throw new Error('Invalid response type');
+    if (response.type !== ConnectMessageType.GET_PUBLIC_KEY_RESPONSE)
+      throw new Error('Invalid response type');
     return response.value.pubkey;
   }
 
@@ -128,7 +143,9 @@ export class Connect {
     throw new Error('Not implemented');
   }
 
-  async getRelays(): Promise<{ [url: string]: { read: boolean, write: boolean } }> {
+  async getRelays(): Promise<{
+    [url: string]: { read: boolean; write: boolean };
+  }> {
     throw new Error('Not implemented');
   }
 
@@ -138,11 +155,10 @@ export class Connect {
     },
     decrypt: async (_pubkey: string, _ciphertext: string): Promise<string> => {
       throw new Error('Not implemented');
-    }
+    },
-  }
+  };
 
-  async request(_opts: { method: string, params: any }): Promise<any> {
+  async request(_opts: { method: string; params: any }): Promise<any> {
     throw new Error('Not implemented');
   }
-
 }

src/event.ts

@@ -1,16 +1,23 @@
-import { nip04, Event } from "nostr-tools";
+import { nip04, Event } from 'nostr-tools';
-import { ConnectMessage } from "./connect";
+import { ConnectMessage } from './connect';
 
-export async function prepareRequest(from: string, to: string, request: ConnectMessage, fromSecretKey: string) {
+export async function prepareRequest(
+  from: string,
+  to: string,
+  request: ConnectMessage,
+  fromSecretKey: string
+) {
   const now = Math.floor(Date.now() / 1000);
-  const requestID = Math.random().toString().slice(2);
+  const requestID = Math.random()
+    .toString()
+    .slice(2);
   const cipherText = await nip04.encrypt(
     fromSecretKey,
     to,
     JSON.stringify({
       requestID: requestID,
       request,
-    }),
+    })
   );
   const event: Event = {
     kind: 4,
@@ -22,7 +29,13 @@ export async function prepareRequest(from: string, to: string, request: ConnectM
   return { event, requestID };
 }
 
-export async function prepareResponse(requestID: string, from: string, to: string, response: ConnectMessage, fromSecretKey: string) {
+export async function prepareResponse(
+  requestID: string,
+  from: string,
+  to: string,
+  response: ConnectMessage,
+  fromSecretKey: string
+) {
   const now = Math.floor(Date.now() / 1000);
   const cipherText = await nip04.encrypt(
     fromSecretKey,
@@ -30,7 +43,7 @@ export async function prepareResponse(requestID: string, from: string, to: strin
     JSON.stringify({
       requestID: requestID,
       response,
-    }),
+    })
   );
   const event: Event = {
     kind: 4,

src/request.js

@@ -1,314 +0,0 @@
-"use strict";
-var __assign = (this && this.__assign) || function () {
-    __assign = Object.assign || function(t) {
-        for (var s, i = 1, n = arguments.length; i < n; i++) {
-            s = arguments[i];
-            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
-                t[p] = s[p];
-        }
-        return t;
-    };
-    return __assign.apply(this, arguments);
-};
-var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
-    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
-    return new (P || (P = Promise))(function (resolve, reject) {
-        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
-        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
-        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
-        step((generator = generator.apply(thisArg, _arguments || [])).next());
-    });
-};
-var __generator = (this && this.__generator) || function (thisArg, body) {
-    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
-    return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
-    function verb(n) { return function (v) { return step([n, v]); }; }
-    function step(op) {
-        if (f) throw new TypeError("Generator is already executing.");
-        while (g && (g = 0, op[0] && (_ = 0)), _) try {
-            if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
-            if (y = 0, t) op = [op[0] & 2, t.value];
-            switch (op[0]) {
-                case 0: case 1: t = op; break;
-                case 4: _.label++; return { value: op[1], done: false };
-                case 5: _.label++; y = op[1]; op = [0]; continue;
-                case 7: op = _.ops.pop(); _.trys.pop(); continue;
-                default:
-                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
-                    if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
-                    if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
-                    if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
-                    if (t[2]) _.ops.pop();
-                    _.trys.pop(); continue;
-            }
-            op = body.call(thisArg, _);
-        } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
-        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
-    }
-};
-exports.__esModule = true;
-exports.prepareEvent = exports.prepareResponse = exports.prepareRequest = exports.randomID = exports.now = exports.NostrRPCServer = exports.NostrRPC = void 0;
-var nostr_tools_1 = require("nostr-tools");
-var NostrRPC = /** @class */ (function () {
-    function NostrRPC(opts) {
-        this.relay = (0, nostr_tools_1.relayInit)(opts.relay || "wss://nostr.vulpem.com");
-        this.target = opts.target;
-        this.self = {
-            pubkey: (0, nostr_tools_1.getPublicKey)(opts.secretKey),
-            secret: opts.secretKey
-        };
-    }
-    NostrRPC.prototype.call = function (_a) {
-        var _b = _a.id, id = _b === void 0 ? randomID() : _b, method = _a.method, _c = _a.params, params = _c === void 0 ? [] : _c;
-        return __awaiter(this, void 0, void 0, function () {
-            var body, event;
-            var _this = this;
-            return __generator(this, function (_d) {
-                switch (_d.label) {
-                    case 0: 
-                    // connect to relay
-                    return [4 /*yield*/, this.relay.connect()];
-                    case 1:
-                        // connect to relay
-                        _d.sent();
-                        this.relay.on('error', function () { throw new Error("failed to connect to ".concat(_this.relay.url)); });
-                        body = prepareRequest(id, method, params);
-                        return [4 /*yield*/, prepareEvent(this.self.secret, this.target, body)];
-                    case 2:
-                        event = _d.sent();
-                        // send request via relay
-                        return [4 /*yield*/, new Promise(function (resolve, reject) {
-                                var pub = _this.relay.publish(event);
-                                pub.on('failed', reject);
-                                pub.on('seen', resolve);
-                            })];
-                    case 3:
-                        // send request via relay
-                        _d.sent();
-                        console.log("sent request to nostr id: ".concat(event.id), { id: id, method: method, params: params });
-                        return [2 /*return*/, new Promise(function (resolve, reject) {
-                                // waiting for response from remote
-                                // TODO: reject after a timeout
-                                var sub = _this.relay.sub([{
-                                        kinds: [4],
-                                        authors: [_this.target],
-                                        "#p": [_this.self.pubkey]
-                                    }]);
-                                sub.on('event', function (event) { return __awaiter(_this, void 0, void 0, function () {
-                                    var plaintext, payload, ignore_1;
-                                    return __generator(this, function (_a) {
-                                        switch (_a.label) {
-                                            case 0:
-                                                _a.trys.push([0, 2, , 3]);
-                                                return [4 /*yield*/, nostr_tools_1.nip04.decrypt(this.self.secret, event.pubkey, event.content)];
-                                            case 1:
-                                                plaintext = _a.sent();
-                                                payload = JSON.parse(plaintext);
-                                                return [3 /*break*/, 3];
-                                            case 2:
-                                                ignore_1 = _a.sent();
-                                                return [2 /*return*/];
-                                            case 3:
-                                                // ignore all the events that are not NostrRPCResponse events
-                                                if (!plaintext)
-                                                    return [2 /*return*/];
-                                                if (!payload)
-                                                    return [2 /*return*/];
-                                                if (!Object.keys(payload).includes('id') || !Object.keys(payload).includes('error') || !Object.keys(payload).includes('result'))
-                                                    return [2 /*return*/];
-                                                // ignore all the events that are not for this request
-                                                if (payload.id !== id)
-                                                    return [2 /*return*/];
-                                                // if the response is an error, reject the promise
-                                                if (payload.error) {
-                                                    reject(payload.error);
-                                                }
-                                                // if the response is a result, resolve the promise
-                                                if (payload.result) {
-                                                    resolve(payload.result);
-                                                }
-                                                return [2 /*return*/];
-                                        }
-                                    });
-                                }); });
-                                sub.on('eose', function () {
-                                    sub.unsub();
-                                });
-                            })];
-                }
-            });
-        });
-    };
-    return NostrRPC;
-}());
-exports.NostrRPC = NostrRPC;
-var NostrRPCServer = /** @class */ (function () {
-    function NostrRPCServer(opts) {
-        this.relay = (0, nostr_tools_1.relayInit)((opts === null || opts === void 0 ? void 0 : opts.relay) || "wss://nostr.vulpem.com");
-        this.self = {
-            pubkey: (0, nostr_tools_1.getPublicKey)(opts.secretKey),
-            secret: opts.secretKey
-        };
-    }
-    NostrRPCServer.prototype.listen = function () {
-        return __awaiter(this, void 0, void 0, function () {
-            var sub;
-            var _this = this;
-            return __generator(this, function (_a) {
-                switch (_a.label) {
-                    case 0: return [4 /*yield*/, this.relay.connect()];
-                    case 1:
-                        _a.sent();
-                        return [4 /*yield*/, new Promise(function (resolve, reject) {
-                                _this.relay.on('connect', resolve);
-                                _this.relay.on('error', reject);
-                            })];
-                    case 2:
-                        _a.sent();
-                        sub = this.relay.sub([{
-                                kinds: [4],
-                                "#p": [this.self.pubkey],
-                                since: now()
-                            }]);
-                        sub.on('event', function (event) { return __awaiter(_this, void 0, void 0, function () {
-                            var plaintext, payload, ignore_2, response, body, responseEvent;
-                            var _this = this;
-                            return __generator(this, function (_a) {
-                                switch (_a.label) {
-                                    case 0:
-                                        _a.trys.push([0, 2, , 3]);
-                                        return [4 /*yield*/, nostr_tools_1.nip04.decrypt(this.self.secret, event.pubkey, event.content)];
-                                    case 1:
-                                        plaintext = _a.sent();
-                                        payload = JSON.parse(plaintext);
-                                        return [3 /*break*/, 3];
-                                    case 2:
-                                        ignore_2 = _a.sent();
-                                        return [2 /*return*/];
-                                    case 3:
-                                        // ignore all the events that are not NostrRPCRequest events
-                                        if (!plaintext)
-                                            return [2 /*return*/];
-                                        if (!payload)
-                                            return [2 /*return*/];
-                                        if (!Object.keys(payload).includes('id') || !Object.keys(payload).includes('method') || !Object.keys(payload).includes('params'))
-                                            return [2 /*return*/];
-                                        return [4 /*yield*/, this.handleRequest(payload)];
-                                    case 4:
-                                        response = _a.sent();
-                                        body = prepareResponse(response.id, response.result, response.error);
-                                        return [4 /*yield*/, prepareEvent(this.self.secret, event.pubkey, body)];
-                                    case 5:
-                                        responseEvent = _a.sent();
-                                        console.log('response to be sent', responseEvent);
-                                        // send response via relay
-                                        return [4 /*yield*/, new Promise(function (resolve, reject) {
-                                                var pub = _this.relay.publish(responseEvent);
-                                                pub.on('failed', reject);
-                                                pub.on('seen', function () { return resolve(); });
-                                            })];
-                                    case 6:
-                                        // send response via relay
-                                        _a.sent();
-                                        return [2 /*return*/];
-                                }
-                            });
-                        }); });
-                        sub.on('eose', function () {
-                            sub.unsub();
-                        });
-                        return [2 /*return*/];
-                }
-            });
-        });
-    };
-    NostrRPCServer.prototype.handleRequest = function (request) {
-        return __awaiter(this, void 0, void 0, function () {
-            var id, method, params, result, error, e_1;
-            return __generator(this, function (_a) {
-                switch (_a.label) {
-                    case 0:
-                        id = request.id, method = request.method, params = request.params;
-                        result = null;
-                        error = null;
-                        _a.label = 1;
-                    case 1:
-                        _a.trys.push([1, 3, , 4]);
-                        return [4 /*yield*/, this[method].apply(this, params)];
-                    case 2:
-                        result = _a.sent();
-                        return [3 /*break*/, 4];
-                    case 3:
-                        e_1 = _a.sent();
-                        if (e_1 instanceof Error) {
-                            error = e_1.message;
-                        }
-                        else {
-                            error = 'unknown error';
-                        }
-                        return [3 /*break*/, 4];
-                    case 4: return [2 /*return*/, {
-                            id: id,
-                            result: result,
-                            error: error
-                        }];
-                }
-            });
-        });
-    };
-    return NostrRPCServer;
-}());
-exports.NostrRPCServer = NostrRPCServer;
-function now() {
-    return Math.floor(Date.now() / 1000);
-}
-exports.now = now;
-function randomID() {
-    return Math.random().toString().slice(2);
-}
-exports.randomID = randomID;
-function prepareRequest(id, method, params) {
-    return JSON.stringify({
-        id: id,
-        method: method,
-        params: params
-    });
-}
-exports.prepareRequest = prepareRequest;
-function prepareResponse(id, result, error) {
-    return JSON.stringify({
-        id: id,
-        result: result,
-        error: error
-    });
-}
-exports.prepareResponse = prepareResponse;
-function prepareEvent(secretKey, pubkey, content) {
-    return __awaiter(this, void 0, void 0, function () {
-        var cipherText, event, id, sig, signedEvent, ok, veryOk;
-        return __generator(this, function (_a) {
-            switch (_a.label) {
-                case 0: return [4 /*yield*/, nostr_tools_1.nip04.encrypt(secretKey, pubkey, content)];
-                case 1:
-                    cipherText = _a.sent();
-                    event = {
-                        kind: 4,
-                        created_at: now(),
-                        pubkey: (0, nostr_tools_1.getPublicKey)(secretKey),
-                        tags: [['p', pubkey]],
-                        content: cipherText
-                    };
-                    id = (0, nostr_tools_1.getEventHash)(event);
-                    sig = (0, nostr_tools_1.signEvent)(event, secretKey);
-                    signedEvent = __assign(__assign({}, event), { id: id, sig: sig });
-                    ok = (0, nostr_tools_1.validateEvent)(signedEvent);
-                    veryOk = (0, nostr_tools_1.verifySignature)(signedEvent);
-                    if (!ok || !veryOk) {
-                        throw new Error('Event is not valid');
-                    }
-                    return [2 /*return*/, signedEvent];
-            }
-        });
-    });
-}
-exports.prepareEvent = prepareEvent;

src/request.ts

@@ -1,5 +1,15 @@
-import { relayInit, Relay, getEventHash, signEvent, validateEvent, verifySignature, getPublicKey, nip04, Event, Sub } from "nostr-tools";
+import {
-
+  relayInit,
+  Relay,
+  getEventHash,
+  signEvent,
+  validateEvent,
+  verifySignature,
+  getPublicKey,
+  nip04,
+  Event,
+  Sub,
+} from 'nostr-tools';
 
 export interface NostrRPCRequest {
   id: string;
@@ -12,37 +22,39 @@ export interface NostrRPCResponse {
   error: any;
 }
 
-
 export class NostrRPC {
   relay: Relay;
-  self: { pubkey: string, secret: string };
+  self: { pubkey: string; secret: string };
-  target: string;
+  // this is for implementing the response handlers for each method
+  [key: string]: any;
 
-  constructor(opts: { relay?: string, target: string, secretKey: string }) {
+  constructor(opts: { relay?: string; secretKey: string }) {
-    this.relay = relayInit(opts.relay || "wss://nostr.vulpem.com");
+    this.relay = relayInit(opts.relay || 'wss://nostr.vulpem.com');
-    this.target = opts.target;
     this.self = {
       pubkey: getPublicKey(opts.secretKey),
       secret: opts.secretKey,
     };
   }
   async call({
-    id = randomID(),
+    target,
-    method, 
+    request: { id = randomID(), method, params = [] },
-    params = [],
   }: {
-    id?: string,
+    target: string;
-    method: string,
+    request: {
-    params?: any[],
+      id?: string;
+      method: string;
+      params?: any[];
+    };
   }): Promise<any> {
-
     // connect to relay
     await this.relay.connect();
-    this.relay.on('error', () => { throw new Error(`failed to connect to ${this.relay.url}`) });
+    this.relay.on('error', () => {
+      throw new Error(`failed to connect to ${this.relay.url}`);
+    });
 
     // prepare request to be sent
     const body = prepareRequest(id, method, params);
-    const event = await prepareEvent(this.self.secret, this.target, body);
+    const event = await prepareEvent(this.self.secret, target, body);
 
     // send request via relay
     await new Promise<void>((resolve, reject) => {
@@ -51,34 +63,37 @@ export class NostrRPC {
       pub.on('seen', resolve);
     });
 
-    console.log(`sent request to nostr id: ${event.id}`, { id, method, params })
+    console.log(`request: nostr id: ${event.id}`, { id, method, params });
 
     return new Promise<void>((resolve, reject) => {
-
       // waiting for response from remote
       // TODO: reject after a timeout
-      let sub = this.relay.sub([{
+      let sub = this.relay.sub([
+        {
           kinds: [4],
           authors: [this.target],
-        "#p": [this.self.pubkey],
+          '#p': [this.self.pubkey],
-      }]);
+        },
+      ]);
 
       sub.on('event', async (event: Event) => {
-        let plaintext;
         let payload;
         try {
-          plaintext = await nip04.decrypt(this.self.secret, event.pubkey, event.content);
+          const plaintext = await nip04.decrypt(
+            this.self.secret,
+            event.pubkey,
+            event.content
+          );
+          if (!plaintext) throw new Error('failed to decrypt event');
           payload = JSON.parse(plaintext);
         } catch (ignore) {
           return;
         }
 
         // ignore all the events that are not NostrRPCResponse events
-        if (!plaintext) return;
+        if (!isValidResponse(payload)) return;
-        if (!payload) return;
-        if (!Object.keys(payload).includes('id') || !Object.keys(payload).includes('error') || !Object.keys(payload).includes('result')) return;
 
-        console.log(`received response from nostr id: ${event.id}`, payload)
+        console.log(`received response from nostr id: ${event.id}`, payload);
 
         // ignore all the events that are not for this request
         if (payload.id !== id) return;
@@ -99,20 +114,7 @@ export class NostrRPC {
       });
     });
   }
-}
 
-export class NostrRPCServer {
-  relay: Relay;
-  self: { pubkey: string, secret: string };
-  [key: string]: any; // TODO: remove this [key: string]
-
-  constructor(opts: { relay?: string, secretKey: string }) {
-    this.relay = relayInit(opts?.relay || "wss://nostr.vulpem.com");
-    this.self = {
-      pubkey: getPublicKey(opts.secretKey),
-      secret: opts.secretKey,
-    };
-  }
   async listen(): Promise<Sub> {
     await this.relay.connect();
     await new Promise<void>((resolve, reject) => {
@@ -120,33 +122,45 @@ export class NostrRPCServer {
       this.relay.on('error', reject);
     });
 
-    let sub = this.relay.sub([{
+    let sub = this.relay.sub([
+      {
         kinds: [4],
-      "#p": [this.self.pubkey],
+        '#p': [this.self.pubkey],
         since: now(),
-    }]);
+      },
+    ]);
 
     sub.on('event', async (event: Event) => {
-      let plaintext;
       let payload;
       try {
-        plaintext = await nip04.decrypt(this.self.secret, event.pubkey, event.content);
+        const plaintext = await nip04.decrypt(
+          this.self.secret,
+          event.pubkey,
+          event.content
+        );
+        if (!plaintext) throw new Error('failed to decrypt event');
         payload = JSON.parse(plaintext);
       } catch (ignore) {
         return;
       }
 
       // ignore all the events that are not NostrRPCRequest events
-      if (!plaintext) return;
+      if (!isValidRequest(payload)) return;
-      if (!payload) return;
-      if (!Object.keys(payload).includes('id') || !Object.keys(payload).includes('method') || !Object.keys(payload).includes('params')) return;
 
       // handle request
       const response = await this.handleRequest(payload);
-      const body = prepareResponse(response.id, response.result, response.error);
+      const body = prepareResponse(
-      const responseEvent = await prepareEvent(this.self.secret, event.pubkey, body);
+        response.id,
+        response.result,
+        response.error
+      );
+      const responseEvent = await prepareEvent(
+        this.self.secret,
+        event.pubkey,
+        body
+      );
 
-      console.log('response to be sent', responseEvent)
+      console.log('response to be sent', responseEvent);
       // send response via relay
       const pub = this.relay.publish(responseEvent);
       pub.on('failed', console.error);
@@ -158,17 +172,20 @@ export class NostrRPCServer {
 
     return sub;
   }
-  async handleRequest(request: NostrRPCRequest): Promise<NostrRPCResponse> {
+
+  private async handleRequest(
+    request: NostrRPCRequest
+  ): Promise<NostrRPCResponse> {
     const { id, method, params } = request;
     let result = null;
     let error = null;
     try {
       result = await this[method](...params);
-    } catch(e: any) {
+    } catch (e) {
       if (e instanceof Error) {
         error = e.message;
       } else {
-        error = 'unknown error'
+        error = 'unknown error';
       }
     }
     return {
@@ -183,9 +200,15 @@ export function now(): number {
   return Math.floor(Date.now() / 1000);
 }
 export function randomID(): string {
-  return Math.random().toString().slice(2);
+  return Math.random()
+    .toString()
+    .slice(2);
 }
-export function prepareRequest(id: string, method: string, params: any[]): string {
+export function prepareRequest(
+  id: string,
+  method: string,
+  params: any[]
+): string {
   return JSON.stringify({
     id,
     method: method,
@@ -199,12 +222,12 @@ export function prepareResponse(id: string, result: any, error: any): string {
     error: error,
   });
 }
-export async function prepareEvent(secretKey: string, pubkey: string, content: string): Promise<Event> {    
+export async function prepareEvent(
-  const cipherText = await nip04.encrypt(
+  secretKey: string,
-    secretKey, 
+  pubkey: string,
-    pubkey, 
+  content: string
-    content,
+): Promise<Event> {
-  );
+  const cipherText = await nip04.encrypt(secretKey, pubkey, content);
 
   const event: Event = {
     kind: 4,
@@ -212,7 +235,7 @@ export async function prepareEvent(secretKey: string, pubkey: string, content: s
     pubkey: getPublicKey(secretKey),
     tags: [['p', pubkey]],
     content: cipherText,
-  }
+  };
 
   const id = getEventHash(event);
   const sig = signEvent(event, secretKey);
@@ -226,3 +249,31 @@ export async function prepareEvent(secretKey: string, pubkey: string, content: s
 
   return signedEvent;
 }
+
+function isValidRequest(payload: any): boolean {
+  if (!payload) return false;
+
+  const keys = Object.keys(payload);
+  if (
+    !keys.includes('id') ||
+    !keys.includes('method') ||
+    !keys.includes('params')
+  )
+    return false;
+
+  return true;
+}
+
+function isValidResponse(payload: any): boolean {
+  if (!payload) return false;
+
+  const keys = Object.keys(payload);
+  if (
+    !keys.includes('id') ||
+    !keys.includes('result') ||
+    !keys.includes('error')
+  )
+    return false;
+
+  return true;
+}

src/session.ts

@@ -7,15 +7,15 @@ import {
   relayInit,
   nip04,
   getPublicKey,
-} from 'nostr-tools'
+} from 'nostr-tools';
 import { ConnectMessage, ConnectMessageType, PairingACK } from './connect';
 import { prepareResponse } from './event';
 
 export interface Metadata {
-  name: string,
+  name: string;
-  url: string,
+  url: string;
-  description?: string
+  description?: string;
-  icons?: string[],
+  icons?: string[];
 }
 
 export enum SessionStatus {
@@ -56,7 +56,6 @@ export class Session {
     }
   }
 
-
   constructor({
     target,
     metadata,
@@ -64,20 +63,21 @@ export class Session {
   }: {
     target: string;
     relay: string;
-    metadata: Metadata
+    metadata: Metadata;
   }) {
     this.listeners = {};
     this.target = target;
     this.metadata = metadata;
     this.relay = relay;
-    this.connectURI = `nostr://connect?target=${this.target}&metadata=${JSON.stringify(this.metadata)}&relay=${this.relay}`;
+    this.connectURI = `nostr://connect?target=${
+      this.target
+    }&metadata=${JSON.stringify(this.metadata)}&relay=${this.relay}`;
   }
 
-  on(
+  on(type: ConnectMessageType, cb: (value: any) => any): void {
-    type: ConnectMessageType,
+    const id = Math.random()
-    cb: (value: any) => any
+      .toString()
-  ): void {
+      .slice(2);
-    const id = Math.random().toString().slice(2);
     this.listeners[id] = this.listeners[id] || emptyListeners();
     this.listeners[id][type].push(cb);
   }
@@ -96,22 +96,34 @@ export class Session {
     if (!secretKey) throw new Error('secret key is required');
     const pubkey = getPublicKey(secretKey);
 
-
-
     const relay = relayInit(this.relay);
     await relay.connect();
-    relay.on('connect', () => { console.log(`connected to ${relay.url}`) });
+    relay.on('connect', () => {
-    relay.on('error', () => { console.error(`failed to connect to ${relay.url}`) });
+      console.log(`connected to ${relay.url}`);
+    });
+    relay.on('error', () => {
+      console.error(`failed to connect to ${relay.url}`);
+    });
 
-    let sub = relay.sub([{
+    let sub = relay.sub([
+      {
         kinds: [4],
-      "#p": [pubkey],
+        '#p': [pubkey],
-    }]);
+      },
+    ]);
     sub.on('event', async (event: Event) => {
-      const plaintext = await nip04.decrypt(secretKey, event.pubkey, event.content);
+      const plaintext = await nip04.decrypt(
+        secretKey,
+        event.pubkey,
+        event.content
+      );
       const payload = JSON.parse(plaintext);
       if (!payload) return;
-      if (!Object.keys(payload).includes('requestID') || !Object.keys(payload).includes('message')) return;
+      if (
+        !Object.keys(payload).includes('requestID') ||
+        !Object.keys(payload).includes('message')
+      )
+        return;
 
       const msg = payload.message as ConnectMessage;
 
@@ -143,25 +155,24 @@ export class Session {
           break;
         }
       }
-
+    });
-    })
 
     sub.on('eose', () => {
-      sub.unsub()
+      sub.unsub();
-    })
+    });
   }
 
   emit(type: ConnectMessageType, value?: any): void {
-    Object.values(this.listeners).forEach((listeners) => {
+    Object.values(this.listeners).forEach(listeners => {
       if (listeners[type]) {
         listeners[type].forEach(cb => cb(value));
       }
     });
   }
 
-
   async pair(remoteSignerPrivateKey: string): Promise<void> {
-    if (!remoteSignerPrivateKey) throw new Error('Signer private key is required');
+    if (!remoteSignerPrivateKey)
+      throw new Error('Signer private key is required');
     const remoteSignerPubKey = getPublicKey(remoteSignerPrivateKey);
     this.remote = remoteSignerPubKey;
 
@@ -169,13 +180,20 @@ export class Session {
       type: ConnectMessageType.PAIRED,
       value: { pubkey: this.remote },
     };
-    const randomID = Math.random().toString().slice(2);
+    const randomID = Math.random()
-    const {event} = await prepareResponse(randomID, this.remote, this.target, message, remoteSignerPrivateKey);
+      .toString()
+      .slice(2);
+    const { event } = await prepareResponse(
+      randomID,
+      this.remote,
+      this.target,
+      message,
+      remoteSignerPrivateKey
+    );
     const id = await this.sendEvent(event, remoteSignerPrivateKey);
     console.log('sent pairing response from mobile', id);
   }
 
-
   async sendEvent(event: Event, secretKey: string): Promise<string> {
     const id = getEventHash(event);
     const sig = signEvent(event, secretKey);
@@ -189,7 +207,9 @@ export class Session {
 
     const relay = relayInit(this.relay);
     await relay.connect();
-    relay.on('error', () => { throw new Error(`failed to connect to ${relay.url}`) });
+    relay.on('error', () => {
+      throw new Error(`failed to connect to ${relay.url}`);
+    });
 
     return new Promise((resolve, reject) => {
       const pub = relay.publish(signedEvent);
@@ -201,7 +221,7 @@ export class Session {
 
 function emptyListeners(): {} {
   let data: any = {};
-  Object.values(ConnectMessageType).forEach((type) => {
+  Object.values(ConnectMessageType).forEach(type => {
     data[type] = [];
   });
   return data;

test/connect.test.ts

@@ -1,5 +1,10 @@
-import { getPublicKey } from "nostr-tools";
+import { getPublicKey } from 'nostr-tools';
-import { Connect, ConnectMessageType, GetPublicKeyResponse, Session } from "../src/index";
+import {
+  Connect,
+  ConnectMessageType,
+  GetPublicKeyResponse,
+  Session,
+} from '../src/index';
 
 jest.setTimeout(5000);
 
@@ -8,12 +13,11 @@ describe('Nostr Connect', () => {
     let resolvePaired: (arg0: boolean) => void;
     let resolveGetPublicKey: (arg0: boolean) => void;
     // web app (this is ephemeral and represents the currention session)
-    const webSK = "5acff99d1ad3e1706360d213fd69203312d9b5e91a2d5f2e06100cc6f686e5b3";
+    const webSK =
+      '5acff99d1ad3e1706360d213fd69203312d9b5e91a2d5f2e06100cc6f686e5b3';
     const webPK = getPublicKey(webSK);
     console.log('webPk', webPK);
 
-
-
     const sessionWeb = new Session({
       target: webPK,
       relay: 'wss://nostr.vulpem.com',
@@ -22,7 +26,7 @@ describe('Nostr Connect', () => {
         description: 'lorem ipsum dolor sit amet',
         url: 'https://vulpem.com',
         icons: ['https://vulpem.com/1000x860-p-500.422be1bc.png'],
-      }
+      },
     });
     sessionWeb.on(ConnectMessageType.PAIRED, (msg: any) => {
       expect(msg).toBeDefined();
@@ -32,7 +36,8 @@ describe('Nostr Connect', () => {
 
     // mobile app (this can be a child key)
     const sessionMobile = Session.fromConnectURI(sessionWeb.connectURI); // 'nostr://connect?target=...&metadata=...'
-    const mobileSK = "ed779ff047f99c95f732b22c9f8f842afb870c740aab591776ebc7b64e83cf6c";
+    const mobileSK =
+      'ed779ff047f99c95f732b22c9f8f842afb870c740aab591776ebc7b64e83cf6c';
     const mobilePK = getPublicKey(mobileSK);
     console.log('mobilePK', mobilePK);
     await sessionMobile.pair(mobileSK);
@@ -43,16 +48,13 @@ describe('Nostr Connect', () => {
         type: ConnectMessageType.GET_PUBLIC_KEY_RESPONSE,
         value: {
           pubkey: mobilePK,
-        }
+        },
       };
       const event = await sessionMobile.eventToBeSentToTarget(
         message,
         mobileSK
       );
-      await sessionMobile.sendEvent(
+      await sessionMobile.sendEvent(event, mobileSK);
-        event,
-        mobileSK
-      );
       resolveGetPublicKey(true);
     });
     await sessionMobile.listen(mobileSK);
@@ -71,13 +73,13 @@ describe('Nostr Connect', () => {
     return expect(
       Promise.all([
         new Promise(resolve => {
-          resolvePaired = resolve
+          resolvePaired = resolve;
         }),
         new Promise(resolve => {
-          resolveGetPublicKey = resolve
+          resolveGetPublicKey = resolve;
-        })
+        }),
       ])
-    ).resolves.toEqual([true, true])
+    ).resolves.toEqual([true, true]);
 
     /*    
        expect(handler).toBeCalledTimes(1);

test/request.test.ts

@@ -1,7 +1,6 @@
-import { nip04, Event } from 'nostr-tools';
+import { NostrRPC } from '../src/request';
-import { NostrRPC, NostrRPCServer, prepareEvent, prepareResponse } from '../src/request';
 
-class Example extends NostrRPCServer {
+class Server extends NostrRPC {
   async ping(): Promise<string> {
     return 'pong';
   }
@@ -11,56 +10,27 @@ jest.setTimeout(10000);
 
 describe('Nostr RPC', () => {
   it('starts a server', async () => {
-    const server = new Example({
+    const server = new Server({
-      secretKey: "ed779ff047f99c95f732b22c9f8f842afb870c740aab591776ebc7b64e83cf6c",
+      secretKey:
-    });
+        'ed779ff047f99c95f732b22c9f8f842afb870c740aab591776ebc7b64e83cf6c',
-    const sub = await server.listen();
-    sub.on('event', async (event: Event) => {
-      let plaintext;
-      let payload;
-      try {
-        plaintext = await nip04.decrypt(server.self.secret, event.pubkey, event.content);
-        payload = JSON.parse(plaintext);
-      } catch(ignore) {
-        return;
-      }
-
-      // ignore all the events that are not NostrRPCRequest events
-      if (!plaintext) return;
-      if (!payload) return;
-      if (!Object.keys(payload).includes('id') || !Object.keys(payload).includes('method') || !Object.keys(payload).includes('params')) return;
-      
-      // handle request
-      const response = {
-        id: payload.id,
-        result: "pong",
-        error: null,
-      }
-      const body = prepareResponse(response.id, response.result, response.error);
-      const responseEvent = await prepareEvent(server.self.secret, event.pubkey, body);
-
-      console.log('response to be sent', responseEvent)
-      // send response via relay
-      const pub = server.relay.publish(responseEvent);
-      pub.on('failed', console.error);
-    });
-
-    sub.on('eose', () => {
-      sub.unsub();
     });
+    await server.listen();
 
     const client = new NostrRPC({
-      secretKey: "5acff99d1ad3e1706360d213fd69203312d9b5e91a2d5f2e06100cc6f686e5b3",
+      secretKey:
-      target: server.self.pubkey,
+        '5acff99d1ad3e1706360d213fd69203312d9b5e91a2d5f2e06100cc6f686e5b3',
     });
     console.log(`from: ` + client.self.pubkey, `to: ` + server.self.pubkey);
 
     await sleep(2000);
 
-    const result = await client.call({ method: 'ping' });
+    const result = await client.call({
+      target: server.self.pubkey,
+      request: { method: 'ping' },
+    });
     console.log(result);
-  })
+  });
-})
+});
 
 function sleep(ms: number) {
   return new Promise(resolve => setTimeout(resolve, ms));

test/server.js

@@ -1,18 +0,0 @@
-const {NostrRPCServer} = require('../src/request.js');
-
-class Example extends NostrRPCServer {
-  constructor(opts) {
-    super(opts);
-  }
-  async ping() {
-    return 'pong';
-  }
-}
-
-async function main() {
-  const server = new Example({
-    secretKey: "ed779ff047f99c95f732b22c9f8f842afb870c740aab591776ebc7b64e83cf6c",  
-  });
-  await server.listen();
-  console.log('Server listening on port 3000');
-}

test/setupTests.ts

@@ -1,10 +1,10 @@
 //setupTests.tsx
-import crypto from "crypto";
+import crypto from 'crypto';
-import { TextEncoder, TextDecoder } from "util";
+import { TextEncoder, TextDecoder } from 'util';
 
 global.TextEncoder = TextEncoder;
 (global as any).TextDecoder = TextDecoder;
 
 Object.defineProperty(global.self, 'crypto', {
-  value: crypto.webcrypto
+  value: crypto.webcrypto,
 });