87 lines
3.1 KiB
JavaScript
87 lines
3.1 KiB
JavaScript
"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);
|
|
|
|
// nip26.ts
|
|
var nip26_exports = {};
|
|
__export(nip26_exports, {
|
|
createDelegation: () => createDelegation,
|
|
getDelegator: () => getDelegator
|
|
});
|
|
module.exports = __toCommonJS(nip26_exports);
|
|
var import_secp256k12 = require("@noble/curves/secp256k1");
|
|
var import_utils2 = require("@noble/hashes/utils");
|
|
var import_sha256 = require("@noble/hashes/sha256");
|
|
|
|
// utils.ts
|
|
var utf8Decoder = new TextDecoder("utf-8");
|
|
var utf8Encoder = new TextEncoder();
|
|
|
|
// keys.ts
|
|
var import_secp256k1 = require("@noble/curves/secp256k1");
|
|
var import_utils = require("@noble/hashes/utils");
|
|
function getPublicKey(privateKey) {
|
|
return (0, import_utils.bytesToHex)(import_secp256k1.schnorr.getPublicKey(privateKey));
|
|
}
|
|
|
|
// nip26.ts
|
|
function createDelegation(privateKey, parameters) {
|
|
let conditions = [];
|
|
if ((parameters.kind || -1) >= 0)
|
|
conditions.push(`kind=${parameters.kind}`);
|
|
if (parameters.until)
|
|
conditions.push(`created_at<${parameters.until}`);
|
|
if (parameters.since)
|
|
conditions.push(`created_at>${parameters.since}`);
|
|
let cond = conditions.join("&");
|
|
if (cond === "")
|
|
throw new Error("refusing to create a delegation without any conditions");
|
|
let sighash = (0, import_sha256.sha256)(utf8Encoder.encode(`nostr:delegation:${parameters.pubkey}:${cond}`));
|
|
let sig = (0, import_utils2.bytesToHex)(import_secp256k12.schnorr.sign(sighash, privateKey));
|
|
return {
|
|
from: getPublicKey(privateKey),
|
|
to: parameters.pubkey,
|
|
cond,
|
|
sig
|
|
};
|
|
}
|
|
function getDelegator(event) {
|
|
let tag = event.tags.find((tag2) => tag2[0] === "delegation" && tag2.length >= 4);
|
|
if (!tag)
|
|
return null;
|
|
let pubkey = tag[1];
|
|
let cond = tag[2];
|
|
let sig = tag[3];
|
|
let conditions = cond.split("&");
|
|
for (let i = 0; i < conditions.length; i++) {
|
|
let [key, operator, value] = conditions[i].split(/\b/);
|
|
if (key === "kind" && operator === "=" && event.kind === parseInt(value))
|
|
continue;
|
|
else if (key === "created_at" && operator === "<" && event.created_at < parseInt(value))
|
|
continue;
|
|
else if (key === "created_at" && operator === ">" && event.created_at > parseInt(value))
|
|
continue;
|
|
else
|
|
return null;
|
|
}
|
|
let sighash = (0, import_sha256.sha256)(utf8Encoder.encode(`nostr:delegation:${event.pubkey}:${cond}`));
|
|
if (!import_secp256k12.schnorr.verify(sig, sighash, pubkey))
|
|
return null;
|
|
return pubkey;
|
|
}
|