node-red-contrib-nostr/dist/nodes/nostr-relay-config/nostr-relay-config.js

Node-RED nodes for seamless Nostr protocol integration. Features robust WebSocket handling, event filtering, and NPUB-based routing. Built with TypeScript for type safety and extensive testing. Perfect for Nostr automation flows.

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
    var ownKeys = function(o) {
        ownKeys = Object.getOwnPropertyNames || function (o) {
            var ar = [];
            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
            return ar;
        };
        return ownKeys(o);
    };
    return function (mod) {
        if (mod && mod.__esModule) return mod;
        var result = {};
        if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
        __setModuleDefault(result, mod);
        return result;
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = default_1;
const keys_js_1 = require("../../crypto/keys.js");
const validation_js_1 = require("../../utils/validation.js");
function default_1(RED) {
    // Create a function to initialize the node
    async function initializeNode(config) {
        RED.nodes.createNode(this, config);
        // Validate relay URL before accepting
        if (config.relay) {
            if (!validation_js_1.Validation.isValidRelayUrl(config.relay)) {
                this.error('Invalid relay URL: must use ws:// or wss:// protocol and be a valid URL');
                return;
            }
            this.relay = config.relay;
        }
        else {
            this.error('Relay URL is required');
            return;
        }
        this.publicKey = config.publicKey;
        this.privateKey = this.credentials?.privateKey;
        // Set up keys based on mode
        if (this.publicKey && this.privateKey) {
            try {
                this.publicKey = await (0, keys_js_1.getPublicKey)(this.privateKey);
            }
            catch (err) {
                this.error("Invalid private key: " + err.message);
                return;
            }
        }
        else {
            // Generate ephemeral reader keys
            const readerKeys = await (0, keys_js_1.getDefaultReaderKeys)();
            this.publicKey = readerKeys.publicKey;
            this.privateKey = readerKeys.privateKey;
        }
        try {
            // Dynamically import ESM dependency
            const { NostrWSClient } = await Promise.resolve().then(() => __importStar(require('nostr-websocket-utils')));
            // Initialize WebSocket connection
            this._ws = new NostrWSClient([this.relay], {
                onMessage: (data) => {
                    try {
                        const msg = JSON.parse(data);
                        this.emit('message', msg);
                    }
                    catch (err) {
                        this.error("Failed to parse message: " + err.message);
                    }
                },
                onError: (err) => {
                    this.error("WebSocket error: " + err.message);
                    this.emit('error', err);
                }
            });
            this.on('close', (done) => {
                if (this._ws) {
                    this._ws.disconnect();
                    this._ws = undefined;
                }
                done();
            });
            // Attempt initial connection
            await this._ws.connect();
            this.log("Connected to relay: " + this.relay);
        }
        catch (err) {
            this.error("Failed to initialize node: " + err.message);
        }
    }
    // Register the node
    RED.nodes.registerType("nostr-relay-config", (function (config) {
        // Initialize asynchronously
        initializeNode.call(this, config).catch((err) => {
            this.error("Failed to initialize node: " + err.message);
        });
    }), {
        credentials: {
            privateKey: { type: "password" }
        }
    });
}