newsroom/node_modules/nostr-tools/lib/cjs/pool.js

"use strict";
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);

// pool.ts
var pool_exports = {};
__export(pool_exports, {
  AbstractSimplePool: () => AbstractSimplePool,
  SimplePool: () => SimplePool,
  useWebSocketImplementation: () => useWebSocketImplementation
});
module.exports = __toCommonJS(pool_exports);

// pure.ts
var import_secp256k1 = require("@noble/curves/secp256k1");
var import_utils2 = require("@noble/hashes/utils");

// core.ts
var verifiedSymbol = Symbol("verified");
var isRecord = (obj) => obj instanceof Object;
function validateEvent(event) {
  if (!isRecord(event))
    return false;
  if (typeof event.kind !== "number")
    return false;
  if (typeof event.content !== "string")
    return false;
  if (typeof event.created_at !== "number")
    return false;
  if (typeof event.pubkey !== "string")
    return false;
  if (!event.pubkey.match(/^[a-f0-9]{64}$/))
    return false;
  if (!Array.isArray(event.tags))
    return false;
  for (let i2 = 0; i2 < event.tags.length; i2++) {
    let tag = event.tags[i2];
    if (!Array.isArray(tag))
      return false;
    for (let j = 0; j < tag.length; j++) {
      if (typeof tag[j] !== "string")
        return false;
    }
  }
  return true;
}

// pure.ts
var import_sha256 = require("@noble/hashes/sha256");

// utils.ts
var import_utils = require("@noble/hashes/utils");
var utf8Decoder = new TextDecoder("utf-8");
var utf8Encoder = new TextEncoder();
function normalizeURL(url) {
  try {
    if (url.indexOf("://") === -1)
      url = "wss://" + url;
    let p = new URL(url);
    if (p.protocol === "http:")
      p.protocol = "ws:";
    else if (p.protocol === "https:")
      p.protocol = "wss:";
    p.pathname = p.pathname.replace(/\/+/g, "/");
    if (p.pathname.endsWith("/"))
      p.pathname = p.pathname.slice(0, -1);
    if (p.port === "80" && p.protocol === "ws:" || p.port === "443" && p.protocol === "wss:")
      p.port = "";
    p.searchParams.sort();
    p.hash = "";
    return p.toString();
  } catch (e) {
    throw new Error(`Invalid URL: ${url}`);
  }
}
var QueueNode = class {
  value;
  next = null;
  prev = null;
  constructor(message) {
    this.value = message;
  }
};
var Queue = class {
  first;
  last;
  constructor() {
    this.first = null;
    this.last = null;
  }
  enqueue(value) {
    const newNode = new QueueNode(value);
    if (!this.last) {
      this.first = newNode;
      this.last = newNode;
    } else if (this.last === this.first) {
      this.last = newNode;
      this.last.prev = this.first;
      this.first.next = newNode;
    } else {
      newNode.prev = this.last;
      this.last.next = newNode;
      this.last = newNode;
    }
    return true;
  }
  dequeue() {
    if (!this.first)
      return null;
    if (this.first === this.last) {
      const target2 = this.first;
      this.first = null;
      this.last = null;
      return target2.value;
    }
    const target = this.first;
    this.first = target.next;
    if (this.first) {
      this.first.prev = null;
    }
    return target.value;
  }
};

// pure.ts
var JS = class {
  generateSecretKey() {
    return import_secp256k1.schnorr.utils.randomPrivateKey();
  }
  getPublicKey(secretKey) {
    return (0, import_utils2.bytesToHex)(import_secp256k1.schnorr.getPublicKey(secretKey));
  }
  finalizeEvent(t, secretKey) {
    const event = t;
    event.pubkey = (0, import_utils2.bytesToHex)(import_secp256k1.schnorr.getPublicKey(secretKey));
    event.id = getEventHash(event);
    event.sig = (0, import_utils2.bytesToHex)(import_secp256k1.schnorr.sign(getEventHash(event), secretKey));
    event[verifiedSymbol] = true;
    return event;
  }
  verifyEvent(event) {
    if (typeof event[verifiedSymbol] === "boolean")
      return event[verifiedSymbol];
    const hash = getEventHash(event);
    if (hash !== event.id) {
      event[verifiedSymbol] = false;
      return false;
    }
    try {
      const valid = import_secp256k1.schnorr.verify(event.sig, hash, event.pubkey);
      event[verifiedSymbol] = valid;
      return valid;
    } catch (err) {
      event[verifiedSymbol] = false;
      return false;
    }
  }
};
function serializeEvent(evt) {
  if (!validateEvent(evt))
    throw new Error("can't serialize event with wrong or missing properties");
  return JSON.stringify([0, evt.pubkey, evt.created_at, evt.kind, evt.tags, evt.content]);
}
function getEventHash(event) {
  let eventHash = (0, import_sha256.sha256)(utf8Encoder.encode(serializeEvent(event)));
  return (0, import_utils2.bytesToHex)(eventHash);
}
var i = new JS();
var generateSecretKey = i.generateSecretKey;
var getPublicKey = i.getPublicKey;
var finalizeEvent = i.finalizeEvent;
var verifyEvent = i.verifyEvent;

// kinds.ts
var ClientAuth = 22242;

// filter.ts
function matchFilter(filter, event) {
  if (filter.ids && filter.ids.indexOf(event.id) === -1) {
    return false;
  }
  if (filter.kinds && filter.kinds.indexOf(event.kind) === -1) {
    return false;
  }
  if (filter.authors && filter.authors.indexOf(event.pubkey) === -1) {
    return false;
  }
  for (let f in filter) {
    if (f[0] === "#") {
      let tagName = f.slice(1);
      let values = filter[`#${tagName}`];
      if (values && !event.tags.find(([t, v]) => t === f.slice(1) && values.indexOf(v) !== -1))
        return false;
    }
  }
  if (filter.since && event.created_at < filter.since)
    return false;
  if (filter.until && event.created_at > filter.until)
    return false;
  return true;
}
function matchFilters(filters, event) {
  for (let i2 = 0; i2 < filters.length; i2++) {
    if (matchFilter(filters[i2], event)) {
      return true;
    }
  }
  return false;
}

// fakejson.ts
function getHex64(json, field) {
  let len = field.length + 3;
  let idx = json.indexOf(`"${field}":`) + len;
  let s = json.slice(idx).indexOf(`"`) + idx + 1;
  return json.slice(s, s + 64);
}
function getSubscriptionId(json) {
  let idx = json.slice(0, 22).indexOf(`"EVENT"`);
  if (idx === -1)
    return null;
  let pstart = json.slice(idx + 7 + 1).indexOf(`"`);
  if (pstart === -1)
    return null;
  let start = idx + 7 + 1 + pstart;
  let pend = json.slice(start + 1, 80).indexOf(`"`);
  if (pend === -1)
    return null;
  let end = start + 1 + pend;
  return json.slice(start + 1, end);
}

// nip42.ts
function makeAuthEvent(relayURL, challenge) {
  return {
    kind: ClientAuth,
    created_at: Math.floor(Date.now() / 1e3),
    tags: [
      ["relay", relayURL],
      ["challenge", challenge]
    ],
    content: ""
  };
}

// helpers.ts
async function yieldThread() {
  return new Promise((resolve, reject) => {
    try {
      if (typeof MessageChannel !== "undefined") {
        const ch = new MessageChannel();
        const handler = () => {
          ch.port1.removeEventListener("message", handler);
          resolve();
        };
        ch.port1.addEventListener("message", handler);
        ch.port2.postMessage(0);
        ch.port1.start();
      } else {
        if (typeof setImmediate !== "undefined") {
          setImmediate(resolve);
        } else if (typeof setTimeout !== "undefined") {
          setTimeout(resolve, 0);
        } else {
          resolve();
        }
      }
    } catch (e) {
      console.error("during yield: ", e);
      reject(e);
    }
  });
}
var alwaysTrue = (t) => {
  t[verifiedSymbol] = true;
  return true;
};

// abstract-relay.ts
var SendingOnClosedConnection = class extends Error {
  constructor(message, relay) {
    super(`Tried to send message '${message} on a closed connection to ${relay}.`);
    this.name = "SendingOnClosedConnection";
  }
};
var AbstractRelay = class {
  url;
  _connected = false;
  onclose = null;
  onnotice = (msg) => console.debug(`NOTICE from ${this.url}: ${msg}`);
  onauth;
  baseEoseTimeout = 4400;
  connectionTimeout = 4400;
  publishTimeout = 4400;
  pingFrequency = 29e3;
  pingTimeout = 2e4;
  resubscribeBackoff = [1e4, 1e4, 1e4, 2e4, 2e4, 3e4, 6e4];
  openSubs = /* @__PURE__ */ new Map();
  enablePing;
  enableReconnect;
  connectionTimeoutHandle;
  reconnectTimeoutHandle;
  pingIntervalHandle;
  reconnectAttempts = 0;
  closedIntentionally = false;
  connectionPromise;
  openCountRequests = /* @__PURE__ */ new Map();
  openEventPublishes = /* @__PURE__ */ new Map();
  ws;
  incomingMessageQueue = new Queue();
  queueRunning = false;
  challenge;
  authPromise;
  serial = 0;
  verifyEvent;
  _WebSocket;
  constructor(url, opts) {
    this.url = normalizeURL(url);
    this.verifyEvent = opts.verifyEvent;
    this._WebSocket = opts.websocketImplementation || WebSocket;
    this.enablePing = opts.enablePing;
    this.enableReconnect = opts.enableReconnect || false;
  }
  static async connect(url, opts) {
    const relay = new AbstractRelay(url, opts);
    await relay.connect();
    return relay;
  }
  closeAllSubscriptions(reason) {
    for (let [_, sub] of this.openSubs) {
      sub.close(reason);
    }
    this.openSubs.clear();
    for (let [_, ep] of this.openEventPublishes) {
      ep.reject(new Error(reason));
    }
    this.openEventPublishes.clear();
    for (let [_, cr] of this.openCountRequests) {
      cr.reject(new Error(reason));
    }
    this.openCountRequests.clear();
  }
  get connected() {
    return this._connected;
  }
  async reconnect() {
    const backoff = this.resubscribeBackoff[Math.min(this.reconnectAttempts, this.resubscribeBackoff.length - 1)];
    this.reconnectAttempts++;
    this.reconnectTimeoutHandle = setTimeout(async () => {
      try {
        await this.connect();
      } catch (err) {
      }
    }, backoff);
  }
  handleHardClose(reason) {
    if (this.pingIntervalHandle) {
      clearInterval(this.pingIntervalHandle);
      this.pingIntervalHandle = void 0;
    }
    this._connected = false;
    this.connectionPromise = void 0;
    const wasIntentional = this.closedIntentionally;
    this.closedIntentionally = false;
    this.onclose?.();
    if (this.enableReconnect && !wasIntentional) {
      this.reconnect();
    } else {
      this.closeAllSubscriptions(reason);
    }
  }
  async connect() {
    if (this.connectionPromise)
      return this.connectionPromise;
    this.challenge = void 0;
    this.authPromise = void 0;
    this.connectionPromise = new Promise((resolve, reject) => {
      this.connectionTimeoutHandle = setTimeout(() => {
        reject("connection timed out");
        this.connectionPromise = void 0;
        this.onclose?.();
        this.closeAllSubscriptions("relay connection timed out");
      }, this.connectionTimeout);
      try {
        this.ws = new this._WebSocket(this.url);
      } catch (err) {
        clearTimeout(this.connectionTimeoutHandle);
        reject(err);
        return;
      }
      this.ws.onopen = () => {
        if (this.reconnectTimeoutHandle) {
          clearTimeout(this.reconnectTimeoutHandle);
          this.reconnectTimeoutHandle = void 0;
        }
        clearTimeout(this.connectionTimeoutHandle);
        this._connected = true;
        const isReconnection = this.reconnectAttempts > 0;
        this.reconnectAttempts = 0;
        for (const sub of this.openSubs.values()) {
          sub.eosed = false;
          if (isReconnection) {
            for (let f = 0; f < sub.filters.length; f++) {
              if (sub.lastEmitted) {
                sub.filters[f].since = sub.lastEmitted + 1;
              }
            }
          }
          sub.fire();
        }
        if (this.enablePing) {
          this.pingIntervalHandle = setInterval(() => this.pingpong(), this.pingFrequency);
        }
        resolve();
      };
      this.ws.onerror = (ev) => {
        clearTimeout(this.connectionTimeoutHandle);
        reject(ev.message || "websocket error");
        this.handleHardClose("relay connection errored");
      };
      this.ws.onclose = (ev) => {
        clearTimeout(this.connectionTimeoutHandle);
        reject(ev.message || "websocket closed");
        this.handleHardClose("relay connection closed");
      };
      this.ws.onmessage = this._onmessage.bind(this);
    });
    return this.connectionPromise;
  }
  waitForPingPong() {
    return new Promise((resolve) => {
      ;
      this.ws.once("pong", () => resolve(true));
      this.ws.ping();
    });
  }
  waitForDummyReq() {
    return new Promise((resolve, reject) => {
      if (!this.connectionPromise)
        return reject(new Error(`no connection to ${this.url}, can't ping`));
      try {
        const sub = this.subscribe(
          [{ ids: ["aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"], limit: 0 }],
          {
            label: "forced-ping",
            oneose: () => {
              resolve(true);
              sub.close();
            },
            onclose() {
              resolve(true);
            },
            eoseTimeout: this.pingTimeout + 1e3
          }
        );
      } catch (err) {
        reject(err);
      }
    });
  }
  async pingpong() {
    if (this.ws?.readyState === 1) {
      const result = await Promise.any([
        this.ws && this.ws.ping && this.ws.once ? this.waitForPingPong() : this.waitForDummyReq(),
        new Promise((res) => setTimeout(() => res(false), this.pingTimeout))
      ]);
      if (!result) {
        if (this.ws?.readyState === this._WebSocket.OPEN) {
          this.ws?.close();
        }
      }
    }
  }
  async runQueue() {
    this.queueRunning = true;
    while (true) {
      if (false === this.handleNext()) {
        break;
      }
      await yieldThread();
    }
    this.queueRunning = false;
  }
  handleNext() {
    const json = this.incomingMessageQueue.dequeue();
    if (!json) {
      return false;
    }
    const subid = getSubscriptionId(json);
    if (subid) {
      const so = this.openSubs.get(subid);
      if (!so) {
        return;
      }
      const id = getHex64(json, "id");
      const alreadyHave = so.alreadyHaveEvent?.(id);
      so.receivedEvent?.(this, id);
      if (alreadyHave) {
        return;
      }
    }
    try {
      let data = JSON.parse(json);
      switch (data[0]) {
        case "EVENT": {
          const so = this.openSubs.get(data[1]);
          const event = data[2];
          if (this.verifyEvent(event) && matchFilters(so.filters, event)) {
            so.onevent(event);
          }
          if (!so.lastEmitted || so.lastEmitted < event.created_at)
            so.lastEmitted = event.created_at;
          return;
        }
        case "COUNT": {
          const id = data[1];
          const payload = data[2];
          const cr = this.openCountRequests.get(id);
          if (cr) {
            cr.resolve(payload.count);
            this.openCountRequests.delete(id);
          }
          return;
        }
        case "EOSE": {
          const so = this.openSubs.get(data[1]);
          if (!so)
            return;
          so.receivedEose();
          return;
        }
        case "OK": {
          const id = data[1];
          const ok = data[2];
          const reason = data[3];
          const ep = this.openEventPublishes.get(id);
          if (ep) {
            clearTimeout(ep.timeout);
            if (ok)
              ep.resolve(reason);
            else
              ep.reject(new Error(reason));
            this.openEventPublishes.delete(id);
          }
          return;
        }
        case "CLOSED": {
          const id = data[1];
          const so = this.openSubs.get(id);
          if (!so)
            return;
          so.closed = true;
          so.close(data[2]);
          return;
        }
        case "NOTICE": {
          this.onnotice(data[1]);
          return;
        }
        case "AUTH": {
          this.challenge = data[1];
          if (this.onauth) {
            this.auth(this.onauth);
          }
          return;
        }
        default: {
          const so = this.openSubs.get(data[1]);
          so?.oncustom?.(data);
          return;
        }
      }
    } catch (err) {
      return;
    }
  }
  async send(message) {
    if (!this.connectionPromise)
      throw new SendingOnClosedConnection(message, this.url);
    this.connectionPromise.then(() => {
      this.ws?.send(message);
    });
  }
  async auth(signAuthEvent) {
    const challenge = this.challenge;
    if (!challenge)
      throw new Error("can't perform auth, no challenge was received");
    if (this.authPromise)
      return this.authPromise;
    this.authPromise = new Promise(async (resolve, reject) => {
      try {
        let evt = await signAuthEvent(makeAuthEvent(this.url, challenge));
        let timeout = setTimeout(() => {
          let ep = this.openEventPublishes.get(evt.id);
          if (ep) {
            ep.reject(new Error("auth timed out"));
            this.openEventPublishes.delete(evt.id);
          }
        }, this.publishTimeout);
        this.openEventPublishes.set(evt.id, { resolve, reject, timeout });
        this.send('["AUTH",' + JSON.stringify(evt) + "]");
      } catch (err) {
        console.warn("subscribe auth function failed:", err);
      }
    });
    return this.authPromise;
  }
  async publish(event) {
    const ret = new Promise((resolve, reject) => {
      const timeout = setTimeout(() => {
        const ep = this.openEventPublishes.get(event.id);
        if (ep) {
          ep.reject(new Error("publish timed out"));
          this.openEventPublishes.delete(event.id);
        }
      }, this.publishTimeout);
      this.openEventPublishes.set(event.id, { resolve, reject, timeout });
    });
    this.send('["EVENT",' + JSON.stringify(event) + "]");
    return ret;
  }
  async count(filters, params) {
    this.serial++;
    const id = params?.id || "count:" + this.serial;
    const ret = new Promise((resolve, reject) => {
      this.openCountRequests.set(id, { resolve, reject });
    });
    this.send('["COUNT","' + id + '",' + JSON.stringify(filters).substring(1));
    return ret;
  }
  subscribe(filters, params) {
    const sub = this.prepareSubscription(filters, params);
    sub.fire();
    return sub;
  }
  prepareSubscription(filters, params) {
    this.serial++;
    const id = params.id || (params.label ? params.label + ":" : "sub:") + this.serial;
    const subscription = new Subscription(this, id, filters, params);
    this.openSubs.set(id, subscription);
    return subscription;
  }
  close() {
    this.closedIntentionally = true;
    if (this.reconnectTimeoutHandle) {
      clearTimeout(this.reconnectTimeoutHandle);
      this.reconnectTimeoutHandle = void 0;
    }
    if (this.pingIntervalHandle) {
      clearInterval(this.pingIntervalHandle);
      this.pingIntervalHandle = void 0;
    }
    this.closeAllSubscriptions("relay connection closed by us");
    this._connected = false;
    this.onclose?.();
    if (this.ws?.readyState === this._WebSocket.OPEN) {
      this.ws?.close();
    }
  }
  _onmessage(ev) {
    this.incomingMessageQueue.enqueue(ev.data);
    if (!this.queueRunning) {
      this.runQueue();
    }
  }
};
var Subscription = class {
  relay;
  id;
  lastEmitted;
  closed = false;
  eosed = false;
  filters;
  alreadyHaveEvent;
  receivedEvent;
  onevent;
  oneose;
  onclose;
  oncustom;
  eoseTimeout;
  eoseTimeoutHandle;
  constructor(relay, id, filters, params) {
    if (filters.length === 0)
      throw new Error("subscription can't be created with zero filters");
    this.relay = relay;
    this.filters = filters;
    this.id = id;
    this.alreadyHaveEvent = params.alreadyHaveEvent;
    this.receivedEvent = params.receivedEvent;
    this.eoseTimeout = params.eoseTimeout || relay.baseEoseTimeout;
    this.oneose = params.oneose;
    this.onclose = params.onclose;
    this.onevent = params.onevent || ((event) => {
      console.warn(
        `onevent() callback not defined for subscription '${this.id}' in relay ${this.relay.url}. event received:`,
        event
      );
    });
  }
  fire() {
    this.relay.send('["REQ","' + this.id + '",' + JSON.stringify(this.filters).substring(1));
    this.eoseTimeoutHandle = setTimeout(this.receivedEose.bind(this), this.eoseTimeout);
  }
  receivedEose() {
    if (this.eosed)
      return;
    clearTimeout(this.eoseTimeoutHandle);
    this.eosed = true;
    this.oneose?.();
  }
  close(reason = "closed by caller") {
    if (!this.closed && this.relay.connected) {
      try {
        this.relay.send('["CLOSE",' + JSON.stringify(this.id) + "]");
      } catch (err) {
        if (err instanceof SendingOnClosedConnection) {
        } else {
          throw err;
        }
      }
      this.closed = true;
    }
    this.relay.openSubs.delete(this.id);
    this.onclose?.(reason);
  }
};

// abstract-pool.ts
var AbstractSimplePool = class {
  relays = /* @__PURE__ */ new Map();
  seenOn = /* @__PURE__ */ new Map();
  trackRelays = false;
  verifyEvent;
  enablePing;
  enableReconnect;
  automaticallyAuth;
  trustedRelayURLs = /* @__PURE__ */ new Set();
  _WebSocket;
  constructor(opts) {
    this.verifyEvent = opts.verifyEvent;
    this._WebSocket = opts.websocketImplementation;
    this.enablePing = opts.enablePing;
    this.enableReconnect = opts.enableReconnect || false;
    this.automaticallyAuth = opts.automaticallyAuth;
  }
  async ensureRelay(url, params) {
    url = normalizeURL(url);
    let relay = this.relays.get(url);
    if (!relay) {
      relay = new AbstractRelay(url, {
        verifyEvent: this.trustedRelayURLs.has(url) ? alwaysTrue : this.verifyEvent,
        websocketImplementation: this._WebSocket,
        enablePing: this.enablePing,
        enableReconnect: this.enableReconnect
      });
      relay.onclose = () => {
        if (relay && !relay.enableReconnect) {
          this.relays.delete(url);
        }
      };
      if (params?.connectionTimeout)
        relay.connectionTimeout = params.connectionTimeout;
      this.relays.set(url, relay);
    }
    if (this.automaticallyAuth) {
      const authSignerFn = this.automaticallyAuth(url);
      if (authSignerFn) {
        relay.onauth = authSignerFn;
      }
    }
    await relay.connect();
    return relay;
  }
  close(relays) {
    relays.map(normalizeURL).forEach((url) => {
      this.relays.get(url)?.close();
      this.relays.delete(url);
    });
  }
  subscribe(relays, filter, params) {
    const request = [];
    for (let i2 = 0; i2 < relays.length; i2++) {
      const url = normalizeURL(relays[i2]);
      if (!request.find((r) => r.url === url)) {
        request.push({ url, filter });
      }
    }
    return this.subscribeMap(request, params);
  }
  subscribeMany(relays, filter, params) {
    const request = [];
    const uniqUrls = [];
    for (let i2 = 0; i2 < relays.length; i2++) {
      const url = normalizeURL(relays[i2]);
      if (uniqUrls.indexOf(url) === -1) {
        uniqUrls.push(url);
        request.push({ url, filter });
      }
    }
    return this.subscribeMap(request, params);
  }
  subscribeMap(requests, params) {
    const grouped = /* @__PURE__ */ new Map();
    for (const req of requests) {
      const { url, filter } = req;
      if (!grouped.has(url))
        grouped.set(url, []);
      grouped.get(url).push(filter);
    }
    const groupedRequests = Array.from(grouped.entries()).map(([url, filters]) => ({ url, filters }));
    if (this.trackRelays) {
      params.receivedEvent = (relay, id) => {
        let set = this.seenOn.get(id);
        if (!set) {
          set = /* @__PURE__ */ new Set();
          this.seenOn.set(id, set);
        }
        set.add(relay);
      };
    }
    const _knownIds = /* @__PURE__ */ new Set();
    const subs = [];
    const eosesReceived = [];
    let handleEose = (i2) => {
      if (eosesReceived[i2])
        return;
      eosesReceived[i2] = true;
      if (eosesReceived.filter((a) => a).length === groupedRequests.length) {
        params.oneose?.();
        handleEose = () => {
        };
      }
    };
    const closesReceived = [];
    let handleClose = (i2, reason) => {
      if (closesReceived[i2])
        return;
      handleEose(i2);
      closesReceived[i2] = reason;
      if (closesReceived.filter((a) => a).length === groupedRequests.length) {
        params.onclose?.(closesReceived);
        handleClose = () => {
        };
      }
    };
    const localAlreadyHaveEventHandler = (id) => {
      if (params.alreadyHaveEvent?.(id)) {
        return true;
      }
      const have = _knownIds.has(id);
      _knownIds.add(id);
      return have;
    };
    const allOpened = Promise.all(
      groupedRequests.map(async ({ url, filters }, i2) => {
        let relay;
        try {
          relay = await this.ensureRelay(url, {
            connectionTimeout: params.maxWait ? Math.max(params.maxWait * 0.8, params.maxWait - 1e3) : void 0
          });
        } catch (err) {
          handleClose(i2, err?.message || String(err));
          return;
        }
        let subscription = relay.subscribe(filters, {
          ...params,
          oneose: () => handleEose(i2),
          onclose: (reason) => {
            if (reason.startsWith("auth-required: ") && params.onauth) {
              relay.auth(params.onauth).then(() => {
                relay.subscribe(filters, {
                  ...params,
                  oneose: () => handleEose(i2),
                  onclose: (reason2) => {
                    handleClose(i2, reason2);
                  },
                  alreadyHaveEvent: localAlreadyHaveEventHandler,
                  eoseTimeout: params.maxWait
                });
              }).catch((err) => {
                handleClose(i2, `auth was required and attempted, but failed with: ${err}`);
              });
            } else {
              handleClose(i2, reason);
            }
          },
          alreadyHaveEvent: localAlreadyHaveEventHandler,
          eoseTimeout: params.maxWait
        });
        subs.push(subscription);
      })
    );
    return {
      async close(reason) {
        await allOpened;
        subs.forEach((sub) => {
          sub.close(reason);
        });
      }
    };
  }
  subscribeEose(relays, filter, params) {
    const subcloser = this.subscribe(relays, filter, {
      ...params,
      oneose() {
        subcloser.close("closed automatically on eose");
      }
    });
    return subcloser;
  }
  subscribeManyEose(relays, filter, params) {
    const subcloser = this.subscribeMany(relays, filter, {
      ...params,
      oneose() {
        subcloser.close("closed automatically on eose");
      }
    });
    return subcloser;
  }
  async querySync(relays, filter, params) {
    return new Promise(async (resolve) => {
      const events = [];
      this.subscribeEose(relays, filter, {
        ...params,
        onevent(event) {
          events.push(event);
        },
        onclose(_) {
          resolve(events);
        }
      });
    });
  }
  async get(relays, filter, params) {
    filter.limit = 1;
    const events = await this.querySync(relays, filter, params);
    events.sort((a, b) => b.created_at - a.created_at);
    return events[0] || null;
  }
  publish(relays, event, options) {
    return relays.map(normalizeURL).map(async (url, i2, arr) => {
      if (arr.indexOf(url) !== i2) {
        return Promise.reject("duplicate url");
      }
      let r = await this.ensureRelay(url);
      return r.publish(event).catch(async (err) => {
        if (err instanceof Error && err.message.startsWith("auth-required: ") && options?.onauth) {
          await r.auth(options.onauth);
          return r.publish(event);
        }
        throw err;
      }).then((reason) => {
        if (this.trackRelays) {
          let set = this.seenOn.get(event.id);
          if (!set) {
            set = /* @__PURE__ */ new Set();
            this.seenOn.set(event.id, set);
          }
          set.add(r);
        }
        return reason;
      });
    });
  }
  listConnectionStatus() {
    const map = /* @__PURE__ */ new Map();
    this.relays.forEach((relay, url) => map.set(url, relay.connected));
    return map;
  }
  destroy() {
    this.relays.forEach((conn) => conn.close());
    this.relays = /* @__PURE__ */ new Map();
  }
};

// pool.ts
var _WebSocket;
try {
  _WebSocket = WebSocket;
} catch {
}
function useWebSocketImplementation(websocketImplementation) {
  _WebSocket = websocketImplementation;
}
var SimplePool = class extends AbstractSimplePool {
  constructor(options) {
    super({ verifyEvent, websocketImplementation: _WebSocket, ...options });
  }
};