132 lines
4.1 KiB
JavaScript
132 lines
4.1 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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// nip25.ts
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var nip25_exports = {};
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__export(nip25_exports, {
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finishReactionEvent: () => finishReactionEvent,
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getReactedEventPointer: () => getReactedEventPointer
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});
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module.exports = __toCommonJS(nip25_exports);
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// event.ts
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var import_secp256k12 = require("@noble/curves/secp256k1");
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var import_sha256 = require("@noble/hashes/sha256");
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var import_utils2 = require("@noble/hashes/utils");
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// keys.ts
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var import_secp256k1 = require("@noble/curves/secp256k1");
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var import_utils = require("@noble/hashes/utils");
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function getPublicKey(privateKey) {
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return (0, import_utils.bytesToHex)(import_secp256k1.schnorr.getPublicKey(privateKey));
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}
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// utils.ts
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var utf8Decoder = new TextDecoder("utf-8");
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var utf8Encoder = new TextEncoder();
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// event.ts
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var verifiedSymbol = Symbol("verified");
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function finishEvent(t, privateKey) {
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const event = t;
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event.pubkey = getPublicKey(privateKey);
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event.id = getEventHash(event);
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event.sig = getSignature(event, privateKey);
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event[verifiedSymbol] = true;
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return event;
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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 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 i = 0; i < event.tags.length; i++) {
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let tag = event.tags[i];
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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] === "object")
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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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function getSignature(event, key) {
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return (0, import_utils2.bytesToHex)(import_secp256k12.schnorr.sign(getEventHash(event), key));
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}
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// nip25.ts
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function finishReactionEvent(t, reacted, privateKey) {
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const inheritedTags = reacted.tags.filter((tag) => tag.length >= 2 && (tag[0] === "e" || tag[0] === "p"));
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return finishEvent(
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{
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...t,
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kind: 7 /* Reaction */,
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tags: [...t.tags ?? [], ...inheritedTags, ["e", reacted.id], ["p", reacted.pubkey]],
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content: t.content ?? "+"
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},
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privateKey
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);
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}
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function getReactedEventPointer(event) {
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if (event.kind !== 7 /* Reaction */) {
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return void 0;
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}
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let lastETag;
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let lastPTag;
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for (let i = event.tags.length - 1; i >= 0 && (lastETag === void 0 || lastPTag === void 0); i--) {
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const tag = event.tags[i];
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if (tag.length >= 2) {
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if (tag[0] === "e" && lastETag === void 0) {
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lastETag = tag;
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} else if (tag[0] === "p" && lastPTag === void 0) {
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lastPTag = tag;
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}
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}
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}
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if (lastETag === void 0 || lastPTag === void 0) {
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return void 0;
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}
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return {
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id: lastETag[1],
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relays: [lastETag[2], lastPTag[2]].filter((x) => x !== void 0),
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author: lastPTag[1]
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};
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}
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