218 lines
7.2 KiB
JavaScript
218 lines
7.2 KiB
JavaScript
"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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// nip19.ts
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var nip19_exports = {};
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__export(nip19_exports, {
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BECH32_REGEX: () => BECH32_REGEX,
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Bech32MaxSize: () => Bech32MaxSize,
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NostrTypeGuard: () => NostrTypeGuard,
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decode: () => decode,
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decodeNostrURI: () => decodeNostrURI,
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encodeBytes: () => encodeBytes,
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naddrEncode: () => naddrEncode,
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neventEncode: () => neventEncode,
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noteEncode: () => noteEncode,
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nprofileEncode: () => nprofileEncode,
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npubEncode: () => npubEncode,
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nsecEncode: () => nsecEncode
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});
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module.exports = __toCommonJS(nip19_exports);
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var import_utils2 = require("@noble/hashes/utils");
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var import_base = require("@scure/base");
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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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// nip19.ts
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var NostrTypeGuard = {
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isNProfile: (value) => /^nprofile1[a-z\d]+$/.test(value || ""),
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isNEvent: (value) => /^nevent1[a-z\d]+$/.test(value || ""),
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isNAddr: (value) => /^naddr1[a-z\d]+$/.test(value || ""),
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isNSec: (value) => /^nsec1[a-z\d]{58}$/.test(value || ""),
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isNPub: (value) => /^npub1[a-z\d]{58}$/.test(value || ""),
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isNote: (value) => /^note1[a-z\d]+$/.test(value || ""),
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isNcryptsec: (value) => /^ncryptsec1[a-z\d]+$/.test(value || "")
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};
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var Bech32MaxSize = 5e3;
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var BECH32_REGEX = /[\x21-\x7E]{1,83}1[023456789acdefghjklmnpqrstuvwxyz]{6,}/;
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function integerToUint8Array(number) {
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const uint8Array = new Uint8Array(4);
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uint8Array[0] = number >> 24 & 255;
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uint8Array[1] = number >> 16 & 255;
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uint8Array[2] = number >> 8 & 255;
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uint8Array[3] = number & 255;
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return uint8Array;
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}
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function decodeNostrURI(nip19code) {
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try {
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if (nip19code.startsWith("nostr:"))
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nip19code = nip19code.substring(6);
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return decode(nip19code);
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} catch (_err) {
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return { type: "invalid", data: null };
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}
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}
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function decode(code) {
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let { prefix, words } = import_base.bech32.decode(code, Bech32MaxSize);
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let data = new Uint8Array(import_base.bech32.fromWords(words));
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switch (prefix) {
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case "nprofile": {
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let tlv = parseTLV(data);
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if (!tlv[0]?.[0])
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throw new Error("missing TLV 0 for nprofile");
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if (tlv[0][0].length !== 32)
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throw new Error("TLV 0 should be 32 bytes");
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return {
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type: "nprofile",
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data: {
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pubkey: (0, import_utils2.bytesToHex)(tlv[0][0]),
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relays: tlv[1] ? tlv[1].map((d) => utf8Decoder.decode(d)) : []
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}
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};
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}
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case "nevent": {
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let tlv = parseTLV(data);
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if (!tlv[0]?.[0])
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throw new Error("missing TLV 0 for nevent");
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if (tlv[0][0].length !== 32)
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throw new Error("TLV 0 should be 32 bytes");
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if (tlv[2] && tlv[2][0].length !== 32)
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throw new Error("TLV 2 should be 32 bytes");
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if (tlv[3] && tlv[3][0].length !== 4)
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throw new Error("TLV 3 should be 4 bytes");
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return {
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type: "nevent",
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data: {
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id: (0, import_utils2.bytesToHex)(tlv[0][0]),
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relays: tlv[1] ? tlv[1].map((d) => utf8Decoder.decode(d)) : [],
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author: tlv[2]?.[0] ? (0, import_utils2.bytesToHex)(tlv[2][0]) : void 0,
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kind: tlv[3]?.[0] ? parseInt((0, import_utils2.bytesToHex)(tlv[3][0]), 16) : void 0
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}
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};
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}
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case "naddr": {
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let tlv = parseTLV(data);
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if (!tlv[0]?.[0])
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throw new Error("missing TLV 0 for naddr");
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if (!tlv[2]?.[0])
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throw new Error("missing TLV 2 for naddr");
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if (tlv[2][0].length !== 32)
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throw new Error("TLV 2 should be 32 bytes");
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if (!tlv[3]?.[0])
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throw new Error("missing TLV 3 for naddr");
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if (tlv[3][0].length !== 4)
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throw new Error("TLV 3 should be 4 bytes");
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return {
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type: "naddr",
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data: {
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identifier: utf8Decoder.decode(tlv[0][0]),
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pubkey: (0, import_utils2.bytesToHex)(tlv[2][0]),
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kind: parseInt((0, import_utils2.bytesToHex)(tlv[3][0]), 16),
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relays: tlv[1] ? tlv[1].map((d) => utf8Decoder.decode(d)) : []
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}
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};
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}
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case "nsec":
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return { type: prefix, data };
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case "npub":
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case "note":
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return { type: prefix, data: (0, import_utils2.bytesToHex)(data) };
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default:
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throw new Error(`unknown prefix ${prefix}`);
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}
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}
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function parseTLV(data) {
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let result = {};
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let rest = data;
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while (rest.length > 0) {
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let t = rest[0];
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let l = rest[1];
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let v = rest.slice(2, 2 + l);
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rest = rest.slice(2 + l);
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if (v.length < l)
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throw new Error(`not enough data to read on TLV ${t}`);
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result[t] = result[t] || [];
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result[t].push(v);
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}
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return result;
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}
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function nsecEncode(key) {
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return encodeBytes("nsec", key);
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}
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function npubEncode(hex) {
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return encodeBytes("npub", (0, import_utils2.hexToBytes)(hex));
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}
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function noteEncode(hex) {
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return encodeBytes("note", (0, import_utils2.hexToBytes)(hex));
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}
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function encodeBech32(prefix, data) {
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let words = import_base.bech32.toWords(data);
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return import_base.bech32.encode(prefix, words, Bech32MaxSize);
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}
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function encodeBytes(prefix, bytes) {
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return encodeBech32(prefix, bytes);
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}
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function nprofileEncode(profile) {
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let data = encodeTLV({
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0: [(0, import_utils2.hexToBytes)(profile.pubkey)],
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1: (profile.relays || []).map((url) => utf8Encoder.encode(url))
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});
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return encodeBech32("nprofile", data);
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}
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function neventEncode(event) {
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let kindArray;
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if (event.kind !== void 0) {
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kindArray = integerToUint8Array(event.kind);
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}
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let data = encodeTLV({
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0: [(0, import_utils2.hexToBytes)(event.id)],
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1: (event.relays || []).map((url) => utf8Encoder.encode(url)),
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2: event.author ? [(0, import_utils2.hexToBytes)(event.author)] : [],
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3: kindArray ? [new Uint8Array(kindArray)] : []
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});
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return encodeBech32("nevent", data);
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}
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function naddrEncode(addr) {
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let kind = new ArrayBuffer(4);
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new DataView(kind).setUint32(0, addr.kind, false);
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let data = encodeTLV({
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0: [utf8Encoder.encode(addr.identifier)],
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1: (addr.relays || []).map((url) => utf8Encoder.encode(url)),
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2: [(0, import_utils2.hexToBytes)(addr.pubkey)],
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3: [new Uint8Array(kind)]
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});
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return encodeBech32("naddr", data);
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}
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function encodeTLV(tlv) {
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let entries = [];
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Object.entries(tlv).reverse().forEach(([t, vs]) => {
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vs.forEach((v) => {
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let entry = new Uint8Array(v.length + 2);
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entry.set([parseInt(t)], 0);
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entry.set([v.length], 1);
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entry.set(v, 2);
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entries.push(entry);
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});
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});
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return (0, import_utils2.concatBytes)(...entries);
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}
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