108 lines
2.8 KiB
JavaScript
108 lines
2.8 KiB
JavaScript
// pure.ts
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import { schnorr } from "@noble/curves/secp256k1";
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import { bytesToHex as bytesToHex2 } from "@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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import { sha256 } from "@noble/hashes/sha256";
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// utils.ts
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import { bytesToHex, hexToBytes } from "@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 schnorr.utils.randomPrivateKey();
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}
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getPublicKey(secretKey) {
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return bytesToHex2(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 = bytesToHex2(schnorr.getPublicKey(secretKey));
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event.id = getEventHash(event);
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event.sig = bytesToHex2(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 = 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 = sha256(utf8Encoder.encode(serializeEvent(event)));
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return bytesToHex2(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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// signer.ts
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var PlainKeySigner = class {
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secretKey;
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constructor(secretKey) {
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this.secretKey = secretKey;
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}
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async getPublicKey() {
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return getPublicKey(this.secretKey);
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}
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async signEvent(event) {
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return finalizeEvent(event, this.secretKey);
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}
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};
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export {
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PlainKeySigner
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};
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