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thrower_daemon/node_modules/nostr-tools/lib/cjs/nip28.js
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220
thrower_daemon/node_modules/nostr-tools/lib/cjs/nip28.js
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"use strict";
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var __defProp = Object.defineProperty;
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var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
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var __getOwnPropNames = Object.getOwnPropertyNames;
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var __hasOwnProp = Object.prototype.hasOwnProperty;
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var __export = (target, all) => {
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for (var name in all)
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__defProp(target, name, { get: all[name], enumerable: true });
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};
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var __copyProps = (to, from, except, desc) => {
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if (from && typeof from === "object" || typeof from === "function") {
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for (let key of __getOwnPropNames(from))
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if (!__hasOwnProp.call(to, key) && key !== except)
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__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
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}
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return to;
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};
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var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
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// nip28.ts
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var nip28_exports = {};
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__export(nip28_exports, {
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channelCreateEvent: () => channelCreateEvent,
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channelHideMessageEvent: () => channelHideMessageEvent,
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channelMessageEvent: () => channelMessageEvent,
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channelMetadataEvent: () => channelMetadataEvent,
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channelMuteUserEvent: () => channelMuteUserEvent
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});
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module.exports = __toCommonJS(nip28_exports);
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// pure.ts
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var import_secp256k1 = require("@noble/curves/secp256k1");
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var import_utils2 = require("@noble/hashes/utils");
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// core.ts
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var verifiedSymbol = Symbol("verified");
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var isRecord = (obj) => obj instanceof Object;
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function validateEvent(event) {
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if (!isRecord(event))
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return false;
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if (typeof event.kind !== "number")
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return false;
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if (typeof event.content !== "string")
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return false;
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if (typeof event.created_at !== "number")
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return false;
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if (typeof event.pubkey !== "string")
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return false;
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if (!event.pubkey.match(/^[a-f0-9]{64}$/))
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return false;
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if (!Array.isArray(event.tags))
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return false;
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for (let i2 = 0; i2 < event.tags.length; i2++) {
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let tag = event.tags[i2];
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if (!Array.isArray(tag))
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return false;
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for (let j = 0; j < tag.length; j++) {
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if (typeof tag[j] !== "string")
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return false;
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}
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}
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return true;
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}
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// pure.ts
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var import_sha256 = require("@noble/hashes/sha256");
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// utils.ts
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var import_utils = require("@noble/hashes/utils");
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var utf8Decoder = new TextDecoder("utf-8");
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var utf8Encoder = new TextEncoder();
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// pure.ts
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var JS = class {
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generateSecretKey() {
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return import_secp256k1.schnorr.utils.randomPrivateKey();
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}
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getPublicKey(secretKey) {
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return (0, import_utils2.bytesToHex)(import_secp256k1.schnorr.getPublicKey(secretKey));
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}
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finalizeEvent(t, secretKey) {
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const event = t;
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event.pubkey = (0, import_utils2.bytesToHex)(import_secp256k1.schnorr.getPublicKey(secretKey));
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event.id = getEventHash(event);
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event.sig = (0, import_utils2.bytesToHex)(import_secp256k1.schnorr.sign(getEventHash(event), secretKey));
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event[verifiedSymbol] = true;
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return event;
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}
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verifyEvent(event) {
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if (typeof event[verifiedSymbol] === "boolean")
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return event[verifiedSymbol];
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const hash = getEventHash(event);
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if (hash !== event.id) {
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event[verifiedSymbol] = false;
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return false;
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}
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try {
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const valid = import_secp256k1.schnorr.verify(event.sig, hash, event.pubkey);
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event[verifiedSymbol] = valid;
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return valid;
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} catch (err) {
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event[verifiedSymbol] = false;
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return false;
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}
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}
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};
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function serializeEvent(evt) {
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if (!validateEvent(evt))
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throw new Error("can't serialize event with wrong or missing properties");
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return JSON.stringify([0, evt.pubkey, evt.created_at, evt.kind, evt.tags, evt.content]);
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}
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function getEventHash(event) {
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let eventHash = (0, import_sha256.sha256)(utf8Encoder.encode(serializeEvent(event)));
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return (0, import_utils2.bytesToHex)(eventHash);
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}
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var i = new JS();
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var generateSecretKey = i.generateSecretKey;
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var getPublicKey = i.getPublicKey;
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var finalizeEvent = i.finalizeEvent;
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var verifyEvent = i.verifyEvent;
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// kinds.ts
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var ChannelCreation = 40;
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var ChannelMetadata = 41;
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var ChannelMessage = 42;
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var ChannelHideMessage = 43;
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var ChannelMuteUser = 44;
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// nip28.ts
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var channelCreateEvent = (t, privateKey) => {
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let content;
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if (typeof t.content === "object") {
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content = JSON.stringify(t.content);
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} else if (typeof t.content === "string") {
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content = t.content;
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} else {
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return void 0;
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}
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return finalizeEvent(
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{
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kind: ChannelCreation,
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tags: [...t.tags ?? []],
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content,
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created_at: t.created_at
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},
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privateKey
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);
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};
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var channelMetadataEvent = (t, privateKey) => {
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let content;
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if (typeof t.content === "object") {
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content = JSON.stringify(t.content);
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} else if (typeof t.content === "string") {
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content = t.content;
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} else {
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return void 0;
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}
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return finalizeEvent(
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{
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kind: ChannelMetadata,
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tags: [["e", t.channel_create_event_id], ...t.tags ?? []],
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content,
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created_at: t.created_at
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},
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privateKey
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);
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};
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var channelMessageEvent = (t, privateKey) => {
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const tags = [["e", t.channel_create_event_id, t.relay_url, "root"]];
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if (t.reply_to_channel_message_event_id) {
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tags.push(["e", t.reply_to_channel_message_event_id, t.relay_url, "reply"]);
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}
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return finalizeEvent(
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{
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kind: ChannelMessage,
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tags: [...tags, ...t.tags ?? []],
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content: t.content,
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created_at: t.created_at
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},
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privateKey
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);
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};
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var channelHideMessageEvent = (t, privateKey) => {
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let content;
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if (typeof t.content === "object") {
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content = JSON.stringify(t.content);
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} else if (typeof t.content === "string") {
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content = t.content;
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} else {
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return void 0;
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}
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return finalizeEvent(
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{
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kind: ChannelHideMessage,
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tags: [["e", t.channel_message_event_id], ...t.tags ?? []],
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content,
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created_at: t.created_at
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},
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privateKey
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);
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};
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var channelMuteUserEvent = (t, privateKey) => {
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let content;
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if (typeof t.content === "object") {
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content = JSON.stringify(t.content);
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} else if (typeof t.content === "string") {
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content = t.content;
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} else {
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return void 0;
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}
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return finalizeEvent(
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{
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kind: ChannelMuteUser,
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tags: [["p", t.pubkey_to_mute], ...t.tags ?? []],
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content,
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created_at: t.created_at
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},
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privateKey
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);
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};
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