nostr-web-components
Version:
collection of web components that provide quick access to basic nostr things
1,498 lines (1,484 loc) • 153 kB
JavaScript
"use strict";
(() => {
var __defProp = Object.defineProperty;
var __defNormalProp = (obj, key, value) => key in obj ? __defProp(obj, key, { enumerable: true, configurable: true, writable: true, value }) : obj[key] = value;
var __export = (target, all) => {
for (var name in all)
__defProp(target, name, { get: all[name], enumerable: true });
};
var __publicField = (obj, key, value) => {
__defNormalProp(obj, typeof key !== "symbol" ? key + "" : key, value);
return value;
};
// ../nostr-tools/node_modules/@noble/hashes/esm/crypto.js
var crypto = typeof globalThis === "object" && "crypto" in globalThis ? globalThis.crypto : void 0;
// ../nostr-tools/node_modules/@noble/hashes/esm/utils.js
var u8a = (a) => a instanceof Uint8Array;
var createView = (arr) => new DataView(arr.buffer, arr.byteOffset, arr.byteLength);
var rotr = (word, shift) => word << 32 - shift | word >>> shift;
var isLE = new Uint8Array(new Uint32Array([287454020]).buffer)[0] === 68;
if (!isLE)
throw new Error("Non little-endian hardware is not supported");
var hexes = Array.from({ length: 256 }, (v, i2) => i2.toString(16).padStart(2, "0"));
function bytesToHex(bytes3) {
if (!u8a(bytes3))
throw new Error("Uint8Array expected");
let hex2 = "";
for (let i2 = 0; i2 < bytes3.length; i2++) {
hex2 += hexes[bytes3[i2]];
}
return hex2;
}
function hexToBytes(hex2) {
if (typeof hex2 !== "string")
throw new Error("hex string expected, got " + typeof hex2);
const len = hex2.length;
if (len % 2)
throw new Error("padded hex string expected, got unpadded hex of length " + len);
const array = new Uint8Array(len / 2);
for (let i2 = 0; i2 < array.length; i2++) {
const j = i2 * 2;
const hexByte = hex2.slice(j, j + 2);
const byte = Number.parseInt(hexByte, 16);
if (Number.isNaN(byte) || byte < 0)
throw new Error("Invalid byte sequence");
array[i2] = byte;
}
return array;
}
function utf8ToBytes(str) {
if (typeof str !== "string")
throw new Error(`utf8ToBytes expected string, got ${typeof str}`);
return new Uint8Array(new TextEncoder().encode(str));
}
function toBytes(data) {
if (typeof data === "string")
data = utf8ToBytes(data);
if (!u8a(data))
throw new Error(`expected Uint8Array, got ${typeof data}`);
return data;
}
var Hash = class {
clone() {
return this._cloneInto();
}
};
function wrapConstructor(hashCons) {
const hashC = (msg) => hashCons().update(toBytes(msg)).digest();
const tmp = hashCons();
hashC.outputLen = tmp.outputLen;
hashC.blockLen = tmp.blockLen;
hashC.create = () => hashCons();
return hashC;
}
// ../nostr-tools/node_modules/@scure/base/lib/esm/index.js
function assertNumber(n) {
if (!Number.isSafeInteger(n))
throw new Error(`Wrong integer: ${n}`);
}
function chain(...args) {
const wrap = (a, b) => (c) => a(b(c));
const encode = Array.from(args).reverse().reduce((acc, i2) => acc ? wrap(acc, i2.encode) : i2.encode, void 0);
const decode2 = args.reduce((acc, i2) => acc ? wrap(acc, i2.decode) : i2.decode, void 0);
return { encode, decode: decode2 };
}
function alphabet(alphabet2) {
return {
encode: (digits) => {
if (!Array.isArray(digits) || digits.length && typeof digits[0] !== "number")
throw new Error("alphabet.encode input should be an array of numbers");
return digits.map((i2) => {
assertNumber(i2);
if (i2 < 0 || i2 >= alphabet2.length)
throw new Error(`Digit index outside alphabet: ${i2} (alphabet: ${alphabet2.length})`);
return alphabet2[i2];
});
},
decode: (input) => {
if (!Array.isArray(input) || input.length && typeof input[0] !== "string")
throw new Error("alphabet.decode input should be array of strings");
return input.map((letter) => {
if (typeof letter !== "string")
throw new Error(`alphabet.decode: not string element=${letter}`);
const index = alphabet2.indexOf(letter);
if (index === -1)
throw new Error(`Unknown letter: "${letter}". Allowed: ${alphabet2}`);
return index;
});
}
};
}
function join(separator = "") {
if (typeof separator !== "string")
throw new Error("join separator should be string");
return {
encode: (from) => {
if (!Array.isArray(from) || from.length && typeof from[0] !== "string")
throw new Error("join.encode input should be array of strings");
for (let i2 of from)
if (typeof i2 !== "string")
throw new Error(`join.encode: non-string input=${i2}`);
return from.join(separator);
},
decode: (to) => {
if (typeof to !== "string")
throw new Error("join.decode input should be string");
return to.split(separator);
}
};
}
function padding(bits, chr = "=") {
assertNumber(bits);
if (typeof chr !== "string")
throw new Error("padding chr should be string");
return {
encode(data) {
if (!Array.isArray(data) || data.length && typeof data[0] !== "string")
throw new Error("padding.encode input should be array of strings");
for (let i2 of data)
if (typeof i2 !== "string")
throw new Error(`padding.encode: non-string input=${i2}`);
while (data.length * bits % 8)
data.push(chr);
return data;
},
decode(input) {
if (!Array.isArray(input) || input.length && typeof input[0] !== "string")
throw new Error("padding.encode input should be array of strings");
for (let i2 of input)
if (typeof i2 !== "string")
throw new Error(`padding.decode: non-string input=${i2}`);
let end = input.length;
if (end * bits % 8)
throw new Error("Invalid padding: string should have whole number of bytes");
for (; end > 0 && input[end - 1] === chr; end--) {
if (!((end - 1) * bits % 8))
throw new Error("Invalid padding: string has too much padding");
}
return input.slice(0, end);
}
};
}
function normalize(fn) {
if (typeof fn !== "function")
throw new Error("normalize fn should be function");
return { encode: (from) => from, decode: (to) => fn(to) };
}
function convertRadix(data, from, to) {
if (from < 2)
throw new Error(`convertRadix: wrong from=${from}, base cannot be less than 2`);
if (to < 2)
throw new Error(`convertRadix: wrong to=${to}, base cannot be less than 2`);
if (!Array.isArray(data))
throw new Error("convertRadix: data should be array");
if (!data.length)
return [];
let pos = 0;
const res = [];
const digits = Array.from(data);
digits.forEach((d) => {
assertNumber(d);
if (d < 0 || d >= from)
throw new Error(`Wrong integer: ${d}`);
});
while (true) {
let carry = 0;
let done = true;
for (let i2 = pos; i2 < digits.length; i2++) {
const digit = digits[i2];
const digitBase = from * carry + digit;
if (!Number.isSafeInteger(digitBase) || from * carry / from !== carry || digitBase - digit !== from * carry) {
throw new Error("convertRadix: carry overflow");
}
carry = digitBase % to;
digits[i2] = Math.floor(digitBase / to);
if (!Number.isSafeInteger(digits[i2]) || digits[i2] * to + carry !== digitBase)
throw new Error("convertRadix: carry overflow");
if (!done)
continue;
else if (!digits[i2])
pos = i2;
else
done = false;
}
res.push(carry);
if (done)
break;
}
for (let i2 = 0; i2 < data.length - 1 && data[i2] === 0; i2++)
res.push(0);
return res.reverse();
}
var gcd = (a, b) => !b ? a : gcd(b, a % b);
var radix2carry = (from, to) => from + (to - gcd(from, to));
function convertRadix2(data, from, to, padding2) {
if (!Array.isArray(data))
throw new Error("convertRadix2: data should be array");
if (from <= 0 || from > 32)
throw new Error(`convertRadix2: wrong from=${from}`);
if (to <= 0 || to > 32)
throw new Error(`convertRadix2: wrong to=${to}`);
if (radix2carry(from, to) > 32) {
throw new Error(`convertRadix2: carry overflow from=${from} to=${to} carryBits=${radix2carry(from, to)}`);
}
let carry = 0;
let pos = 0;
const mask = 2 ** to - 1;
const res = [];
for (const n of data) {
assertNumber(n);
if (n >= 2 ** from)
throw new Error(`convertRadix2: invalid data word=${n} from=${from}`);
carry = carry << from | n;
if (pos + from > 32)
throw new Error(`convertRadix2: carry overflow pos=${pos} from=${from}`);
pos += from;
for (; pos >= to; pos -= to)
res.push((carry >> pos - to & mask) >>> 0);
carry &= 2 ** pos - 1;
}
carry = carry << to - pos & mask;
if (!padding2 && pos >= from)
throw new Error("Excess padding");
if (!padding2 && carry)
throw new Error(`Non-zero padding: ${carry}`);
if (padding2 && pos > 0)
res.push(carry >>> 0);
return res;
}
function radix(num) {
assertNumber(num);
return {
encode: (bytes3) => {
if (!(bytes3 instanceof Uint8Array))
throw new Error("radix.encode input should be Uint8Array");
return convertRadix(Array.from(bytes3), 2 ** 8, num);
},
decode: (digits) => {
if (!Array.isArray(digits) || digits.length && typeof digits[0] !== "number")
throw new Error("radix.decode input should be array of strings");
return Uint8Array.from(convertRadix(digits, num, 2 ** 8));
}
};
}
function radix2(bits, revPadding = false) {
assertNumber(bits);
if (bits <= 0 || bits > 32)
throw new Error("radix2: bits should be in (0..32]");
if (radix2carry(8, bits) > 32 || radix2carry(bits, 8) > 32)
throw new Error("radix2: carry overflow");
return {
encode: (bytes3) => {
if (!(bytes3 instanceof Uint8Array))
throw new Error("radix2.encode input should be Uint8Array");
return convertRadix2(Array.from(bytes3), 8, bits, !revPadding);
},
decode: (digits) => {
if (!Array.isArray(digits) || digits.length && typeof digits[0] !== "number")
throw new Error("radix2.decode input should be array of strings");
return Uint8Array.from(convertRadix2(digits, bits, 8, revPadding));
}
};
}
function unsafeWrapper(fn) {
if (typeof fn !== "function")
throw new Error("unsafeWrapper fn should be function");
return function(...args) {
try {
return fn.apply(null, args);
} catch (e) {
}
};
}
var base16 = chain(radix2(4), alphabet("0123456789ABCDEF"), join(""));
var base32 = chain(radix2(5), alphabet("ABCDEFGHIJKLMNOPQRSTUVWXYZ234567"), padding(5), join(""));
var base32hex = chain(radix2(5), alphabet("0123456789ABCDEFGHIJKLMNOPQRSTUV"), padding(5), join(""));
var base32crockford = chain(radix2(5), alphabet("0123456789ABCDEFGHJKMNPQRSTVWXYZ"), join(""), normalize((s) => s.toUpperCase().replace(/O/g, "0").replace(/[IL]/g, "1")));
var base64 = chain(radix2(6), alphabet("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"), padding(6), join(""));
var base64url = chain(radix2(6), alphabet("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_"), padding(6), join(""));
var genBase58 = (abc) => chain(radix(58), alphabet(abc), join(""));
var base58 = genBase58("123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz");
var base58flickr = genBase58("123456789abcdefghijkmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ");
var base58xrp = genBase58("rpshnaf39wBUDNEGHJKLM4PQRST7VWXYZ2bcdeCg65jkm8oFqi1tuvAxyz");
var XMR_BLOCK_LEN = [0, 2, 3, 5, 6, 7, 9, 10, 11];
var base58xmr = {
encode(data) {
let res = "";
for (let i2 = 0; i2 < data.length; i2 += 8) {
const block = data.subarray(i2, i2 + 8);
res += base58.encode(block).padStart(XMR_BLOCK_LEN[block.length], "1");
}
return res;
},
decode(str) {
let res = [];
for (let i2 = 0; i2 < str.length; i2 += 11) {
const slice = str.slice(i2, i2 + 11);
const blockLen = XMR_BLOCK_LEN.indexOf(slice.length);
const block = base58.decode(slice);
for (let j = 0; j < block.length - blockLen; j++) {
if (block[j] !== 0)
throw new Error("base58xmr: wrong padding");
}
res = res.concat(Array.from(block.slice(block.length - blockLen)));
}
return Uint8Array.from(res);
}
};
var BECH_ALPHABET = chain(alphabet("qpzry9x8gf2tvdw0s3jn54khce6mua7l"), join(""));
var POLYMOD_GENERATORS = [996825010, 642813549, 513874426, 1027748829, 705979059];
function bech32Polymod(pre) {
const b = pre >> 25;
let chk = (pre & 33554431) << 5;
for (let i2 = 0; i2 < POLYMOD_GENERATORS.length; i2++) {
if ((b >> i2 & 1) === 1)
chk ^= POLYMOD_GENERATORS[i2];
}
return chk;
}
function bechChecksum(prefix, words, encodingConst = 1) {
const len = prefix.length;
let chk = 1;
for (let i2 = 0; i2 < len; i2++) {
const c = prefix.charCodeAt(i2);
if (c < 33 || c > 126)
throw new Error(`Invalid prefix (${prefix})`);
chk = bech32Polymod(chk) ^ c >> 5;
}
chk = bech32Polymod(chk);
for (let i2 = 0; i2 < len; i2++)
chk = bech32Polymod(chk) ^ prefix.charCodeAt(i2) & 31;
for (let v of words)
chk = bech32Polymod(chk) ^ v;
for (let i2 = 0; i2 < 6; i2++)
chk = bech32Polymod(chk);
chk ^= encodingConst;
return BECH_ALPHABET.encode(convertRadix2([chk % 2 ** 30], 30, 5, false));
}
function genBech32(encoding) {
const ENCODING_CONST = encoding === "bech32" ? 1 : 734539939;
const _words = radix2(5);
const fromWords = _words.decode;
const toWords = _words.encode;
const fromWordsUnsafe = unsafeWrapper(fromWords);
function encode(prefix, words, limit = 90) {
if (typeof prefix !== "string")
throw new Error(`bech32.encode prefix should be string, not ${typeof prefix}`);
if (!Array.isArray(words) || words.length && typeof words[0] !== "number")
throw new Error(`bech32.encode words should be array of numbers, not ${typeof words}`);
const actualLength = prefix.length + 7 + words.length;
if (limit !== false && actualLength > limit)
throw new TypeError(`Length ${actualLength} exceeds limit ${limit}`);
prefix = prefix.toLowerCase();
return `${prefix}1${BECH_ALPHABET.encode(words)}${bechChecksum(prefix, words, ENCODING_CONST)}`;
}
function decode2(str, limit = 90) {
if (typeof str !== "string")
throw new Error(`bech32.decode input should be string, not ${typeof str}`);
if (str.length < 8 || limit !== false && str.length > limit)
throw new TypeError(`Wrong string length: ${str.length} (${str}). Expected (8..${limit})`);
const lowered = str.toLowerCase();
if (str !== lowered && str !== str.toUpperCase())
throw new Error(`String must be lowercase or uppercase`);
str = lowered;
const sepIndex = str.lastIndexOf("1");
if (sepIndex === 0 || sepIndex === -1)
throw new Error(`Letter "1" must be present between prefix and data only`);
const prefix = str.slice(0, sepIndex);
const _words2 = str.slice(sepIndex + 1);
if (_words2.length < 6)
throw new Error("Data must be at least 6 characters long");
const words = BECH_ALPHABET.decode(_words2).slice(0, -6);
const sum = bechChecksum(prefix, words, ENCODING_CONST);
if (!_words2.endsWith(sum))
throw new Error(`Invalid checksum in ${str}: expected "${sum}"`);
return { prefix, words };
}
const decodeUnsafe = unsafeWrapper(decode2);
function decodeToBytes(str) {
const { prefix, words } = decode2(str, false);
return { prefix, words, bytes: fromWords(words) };
}
return { encode, decode: decode2, decodeToBytes, decodeUnsafe, fromWords, fromWordsUnsafe, toWords };
}
var bech32 = genBech32("bech32");
var bech32m = genBech32("bech32m");
var utf8 = {
encode: (data) => new TextDecoder().decode(data),
decode: (str) => new TextEncoder().encode(str)
};
var hex = chain(radix2(4), alphabet("0123456789abcdef"), join(""), normalize((s) => {
if (typeof s !== "string" || s.length % 2)
throw new TypeError(`hex.decode: expected string, got ${typeof s} with length ${s.length}`);
return s.toLowerCase();
}));
var CODERS = {
utf8,
hex,
base16,
base32,
base64,
base64url,
base58,
base58xmr
};
var coderTypeError = `Invalid encoding type. Available types: ${Object.keys(CODERS).join(", ")}`;
// ../nostr-tools/lib/esm/nip19.js
var utf8Decoder = new TextDecoder("utf-8");
var utf8Encoder = new TextEncoder();
var Bech32MaxSize = 5e3;
function decodeNostrURI(nip19code) {
try {
if (nip19code.startsWith("nostr:"))
nip19code = nip19code.substring(6);
return decode(nip19code);
} catch (_err) {
return { type: "invalid", data: null };
}
}
function decode(code) {
let { prefix, words } = bech32.decode(code, Bech32MaxSize);
let data = new Uint8Array(bech32.fromWords(words));
switch (prefix) {
case "nprofile": {
let tlv = parseTLV(data);
if (!tlv[0]?.[0])
throw new Error("missing TLV 0 for nprofile");
if (tlv[0][0].length !== 32)
throw new Error("TLV 0 should be 32 bytes");
return {
type: "nprofile",
data: {
pubkey: bytesToHex(tlv[0][0]),
relays: tlv[1] ? tlv[1].map((d) => utf8Decoder.decode(d)) : []
}
};
}
case "nevent": {
let tlv = parseTLV(data);
if (!tlv[0]?.[0])
throw new Error("missing TLV 0 for nevent");
if (tlv[0][0].length !== 32)
throw new Error("TLV 0 should be 32 bytes");
if (tlv[2] && tlv[2][0].length !== 32)
throw new Error("TLV 2 should be 32 bytes");
if (tlv[3] && tlv[3][0].length !== 4)
throw new Error("TLV 3 should be 4 bytes");
return {
type: "nevent",
data: {
id: bytesToHex(tlv[0][0]),
relays: tlv[1] ? tlv[1].map((d) => utf8Decoder.decode(d)) : [],
author: tlv[2]?.[0] ? bytesToHex(tlv[2][0]) : void 0,
kind: tlv[3]?.[0] ? parseInt(bytesToHex(tlv[3][0]), 16) : void 0
}
};
}
case "naddr": {
let tlv = parseTLV(data);
if (!tlv[0]?.[0])
throw new Error("missing TLV 0 for naddr");
if (!tlv[2]?.[0])
throw new Error("missing TLV 2 for naddr");
if (tlv[2][0].length !== 32)
throw new Error("TLV 2 should be 32 bytes");
if (!tlv[3]?.[0])
throw new Error("missing TLV 3 for naddr");
if (tlv[3][0].length !== 4)
throw new Error("TLV 3 should be 4 bytes");
return {
type: "naddr",
data: {
identifier: utf8Decoder.decode(tlv[0][0]),
pubkey: bytesToHex(tlv[2][0]),
kind: parseInt(bytesToHex(tlv[3][0]), 16),
relays: tlv[1] ? tlv[1].map((d) => utf8Decoder.decode(d)) : []
}
};
}
case "nsec":
return { type: prefix, data };
case "npub":
case "note":
return { type: prefix, data: bytesToHex(data) };
default:
throw new Error(`unknown prefix ${prefix}`);
}
}
function parseTLV(data) {
let result = {};
let rest = data;
while (rest.length > 0) {
let t = rest[0];
let l = rest[1];
let v = rest.slice(2, 2 + l);
rest = rest.slice(2 + l);
if (v.length < l)
throw new Error(`not enough data to read on TLV ${t}`);
result[t] = result[t] || [];
result[t].push(v);
}
return result;
}
function npubEncode(hex2) {
return encodeBytes("npub", hexToBytes(hex2));
}
function encodeBech32(prefix, data) {
let words = bech32.toWords(data);
return bech32.encode(prefix, words, Bech32MaxSize);
}
function encodeBytes(prefix, bytes3) {
return encodeBech32(prefix, bytes3);
}
// ../nostr-tools/lib/esm/utils.js
var utf8Decoder2 = new TextDecoder("utf-8");
var utf8Encoder2 = new TextEncoder();
function normalizeURL(url) {
try {
if (url.indexOf("://") === -1)
url = "wss://" + url;
let p = new URL(url);
if (p.protocol === "http:")
p.protocol = "ws:";
else if (p.protocol === "https:")
p.protocol = "wss:";
p.pathname = p.pathname.replace(/\/+/g, "/");
if (p.pathname.endsWith("/"))
p.pathname = p.pathname.slice(0, -1);
if (p.port === "80" && p.protocol === "ws:" || p.port === "443" && p.protocol === "wss:")
p.port = "";
p.searchParams.sort();
p.hash = "";
return p.toString();
} catch (e) {
throw new Error(`Invalid URL: ${url}`);
}
}
// ../nostr-tools/node_modules/@noble/curves/node_modules/@noble/hashes/esm/_assert.js
function number(n) {
if (!Number.isSafeInteger(n) || n < 0)
throw new Error(`Wrong positive integer: ${n}`);
}
function bytes(b, ...lengths) {
if (!(b instanceof Uint8Array))
throw new Error("Expected Uint8Array");
if (lengths.length > 0 && !lengths.includes(b.length))
throw new Error(`Expected Uint8Array of length ${lengths}, not of length=${b.length}`);
}
function hash(hash3) {
if (typeof hash3 !== "function" || typeof hash3.create !== "function")
throw new Error("Hash should be wrapped by utils.wrapConstructor");
number(hash3.outputLen);
number(hash3.blockLen);
}
function exists(instance, checkFinished = true) {
if (instance.destroyed)
throw new Error("Hash instance has been destroyed");
if (checkFinished && instance.finished)
throw new Error("Hash#digest() has already been called");
}
function output(out, instance) {
bytes(out);
const min = instance.outputLen;
if (out.length < min) {
throw new Error(`digestInto() expects output buffer of length at least ${min}`);
}
}
// ../nostr-tools/node_modules/@noble/curves/node_modules/@noble/hashes/esm/crypto.js
var crypto2 = typeof globalThis === "object" && "crypto" in globalThis ? globalThis.crypto : void 0;
// ../nostr-tools/node_modules/@noble/curves/node_modules/@noble/hashes/esm/utils.js
var u8a2 = (a) => a instanceof Uint8Array;
var createView2 = (arr) => new DataView(arr.buffer, arr.byteOffset, arr.byteLength);
var rotr2 = (word, shift) => word << 32 - shift | word >>> shift;
var isLE2 = new Uint8Array(new Uint32Array([287454020]).buffer)[0] === 68;
if (!isLE2)
throw new Error("Non little-endian hardware is not supported");
function utf8ToBytes2(str) {
if (typeof str !== "string")
throw new Error(`utf8ToBytes expected string, got ${typeof str}`);
return new Uint8Array(new TextEncoder().encode(str));
}
function toBytes2(data) {
if (typeof data === "string")
data = utf8ToBytes2(data);
if (!u8a2(data))
throw new Error(`expected Uint8Array, got ${typeof data}`);
return data;
}
function concatBytes2(...arrays) {
const r = new Uint8Array(arrays.reduce((sum, a) => sum + a.length, 0));
let pad = 0;
arrays.forEach((a) => {
if (!u8a2(a))
throw new Error("Uint8Array expected");
r.set(a, pad);
pad += a.length;
});
return r;
}
var Hash2 = class {
clone() {
return this._cloneInto();
}
};
var toStr = {}.toString;
function wrapConstructor2(hashCons) {
const hashC = (msg) => hashCons().update(toBytes2(msg)).digest();
const tmp = hashCons();
hashC.outputLen = tmp.outputLen;
hashC.blockLen = tmp.blockLen;
hashC.create = () => hashCons();
return hashC;
}
function randomBytes(bytesLength = 32) {
if (crypto2 && typeof crypto2.getRandomValues === "function") {
return crypto2.getRandomValues(new Uint8Array(bytesLength));
}
throw new Error("crypto.getRandomValues must be defined");
}
// ../nostr-tools/node_modules/@noble/curves/node_modules/@noble/hashes/esm/_sha2.js
function setBigUint64(view, byteOffset, value, isLE3) {
if (typeof view.setBigUint64 === "function")
return view.setBigUint64(byteOffset, value, isLE3);
const _32n = BigInt(32);
const _u32_max = BigInt(4294967295);
const wh = Number(value >> _32n & _u32_max);
const wl = Number(value & _u32_max);
const h = isLE3 ? 4 : 0;
const l = isLE3 ? 0 : 4;
view.setUint32(byteOffset + h, wh, isLE3);
view.setUint32(byteOffset + l, wl, isLE3);
}
var SHA2 = class extends Hash2 {
constructor(blockLen, outputLen, padOffset, isLE3) {
super();
this.blockLen = blockLen;
this.outputLen = outputLen;
this.padOffset = padOffset;
this.isLE = isLE3;
this.finished = false;
this.length = 0;
this.pos = 0;
this.destroyed = false;
this.buffer = new Uint8Array(blockLen);
this.view = createView2(this.buffer);
}
update(data) {
exists(this);
const { view, buffer, blockLen } = this;
data = toBytes2(data);
const len = data.length;
for (let pos = 0; pos < len; ) {
const take = Math.min(blockLen - this.pos, len - pos);
if (take === blockLen) {
const dataView = createView2(data);
for (; blockLen <= len - pos; pos += blockLen)
this.process(dataView, pos);
continue;
}
buffer.set(data.subarray(pos, pos + take), this.pos);
this.pos += take;
pos += take;
if (this.pos === blockLen) {
this.process(view, 0);
this.pos = 0;
}
}
this.length += data.length;
this.roundClean();
return this;
}
digestInto(out) {
exists(this);
output(out, this);
this.finished = true;
const { buffer, view, blockLen, isLE: isLE3 } = this;
let { pos } = this;
buffer[pos++] = 128;
this.buffer.subarray(pos).fill(0);
if (this.padOffset > blockLen - pos) {
this.process(view, 0);
pos = 0;
}
for (let i2 = pos; i2 < blockLen; i2++)
buffer[i2] = 0;
setBigUint64(view, blockLen - 8, BigInt(this.length * 8), isLE3);
this.process(view, 0);
const oview = createView2(out);
const len = this.outputLen;
if (len % 4)
throw new Error("_sha2: outputLen should be aligned to 32bit");
const outLen = len / 4;
const state = this.get();
if (outLen > state.length)
throw new Error("_sha2: outputLen bigger than state");
for (let i2 = 0; i2 < outLen; i2++)
oview.setUint32(4 * i2, state[i2], isLE3);
}
digest() {
const { buffer, outputLen } = this;
this.digestInto(buffer);
const res = buffer.slice(0, outputLen);
this.destroy();
return res;
}
_cloneInto(to) {
to || (to = new this.constructor());
to.set(...this.get());
const { blockLen, buffer, length, finished, destroyed, pos } = this;
to.length = length;
to.pos = pos;
to.finished = finished;
to.destroyed = destroyed;
if (length % blockLen)
to.buffer.set(buffer);
return to;
}
};
// ../nostr-tools/node_modules/@noble/curves/node_modules/@noble/hashes/esm/sha256.js
var Chi = (a, b, c) => a & b ^ ~a & c;
var Maj = (a, b, c) => a & b ^ a & c ^ b & c;
var SHA256_K = /* @__PURE__ */ new Uint32Array([
1116352408,
1899447441,
3049323471,
3921009573,
961987163,
1508970993,
2453635748,
2870763221,
3624381080,
310598401,
607225278,
1426881987,
1925078388,
2162078206,
2614888103,
3248222580,
3835390401,
4022224774,
264347078,
604807628,
770255983,
1249150122,
1555081692,
1996064986,
2554220882,
2821834349,
2952996808,
3210313671,
3336571891,
3584528711,
113926993,
338241895,
666307205,
773529912,
1294757372,
1396182291,
1695183700,
1986661051,
2177026350,
2456956037,
2730485921,
2820302411,
3259730800,
3345764771,
3516065817,
3600352804,
4094571909,
275423344,
430227734,
506948616,
659060556,
883997877,
958139571,
1322822218,
1537002063,
1747873779,
1955562222,
2024104815,
2227730452,
2361852424,
2428436474,
2756734187,
3204031479,
3329325298
]);
var IV = /* @__PURE__ */ new Uint32Array([
1779033703,
3144134277,
1013904242,
2773480762,
1359893119,
2600822924,
528734635,
1541459225
]);
var SHA256_W = /* @__PURE__ */ new Uint32Array(64);
var SHA256 = class extends SHA2 {
constructor() {
super(64, 32, 8, false);
this.A = IV[0] | 0;
this.B = IV[1] | 0;
this.C = IV[2] | 0;
this.D = IV[3] | 0;
this.E = IV[4] | 0;
this.F = IV[5] | 0;
this.G = IV[6] | 0;
this.H = IV[7] | 0;
}
get() {
const { A, B, C, D, E, F, G, H } = this;
return [A, B, C, D, E, F, G, H];
}
set(A, B, C, D, E, F, G, H) {
this.A = A | 0;
this.B = B | 0;
this.C = C | 0;
this.D = D | 0;
this.E = E | 0;
this.F = F | 0;
this.G = G | 0;
this.H = H | 0;
}
process(view, offset) {
for (let i2 = 0; i2 < 16; i2++, offset += 4)
SHA256_W[i2] = view.getUint32(offset, false);
for (let i2 = 16; i2 < 64; i2++) {
const W15 = SHA256_W[i2 - 15];
const W2 = SHA256_W[i2 - 2];
const s0 = rotr2(W15, 7) ^ rotr2(W15, 18) ^ W15 >>> 3;
const s1 = rotr2(W2, 17) ^ rotr2(W2, 19) ^ W2 >>> 10;
SHA256_W[i2] = s1 + SHA256_W[i2 - 7] + s0 + SHA256_W[i2 - 16] | 0;
}
let { A, B, C, D, E, F, G, H } = this;
for (let i2 = 0; i2 < 64; i2++) {
const sigma1 = rotr2(E, 6) ^ rotr2(E, 11) ^ rotr2(E, 25);
const T1 = H + sigma1 + Chi(E, F, G) + SHA256_K[i2] + SHA256_W[i2] | 0;
const sigma0 = rotr2(A, 2) ^ rotr2(A, 13) ^ rotr2(A, 22);
const T2 = sigma0 + Maj(A, B, C) | 0;
H = G;
G = F;
F = E;
E = D + T1 | 0;
D = C;
C = B;
B = A;
A = T1 + T2 | 0;
}
A = A + this.A | 0;
B = B + this.B | 0;
C = C + this.C | 0;
D = D + this.D | 0;
E = E + this.E | 0;
F = F + this.F | 0;
G = G + this.G | 0;
H = H + this.H | 0;
this.set(A, B, C, D, E, F, G, H);
}
roundClean() {
SHA256_W.fill(0);
}
destroy() {
this.set(0, 0, 0, 0, 0, 0, 0, 0);
this.buffer.fill(0);
}
};
var sha256 = /* @__PURE__ */ wrapConstructor2(() => new SHA256());
// ../nostr-tools/node_modules/@noble/curves/esm/abstract/utils.js
var utils_exports = {};
__export(utils_exports, {
bitGet: () => bitGet,
bitLen: () => bitLen,
bitMask: () => bitMask,
bitSet: () => bitSet,
bytesToHex: () => bytesToHex2,
bytesToNumberBE: () => bytesToNumberBE,
bytesToNumberLE: () => bytesToNumberLE,
concatBytes: () => concatBytes3,
createHmacDrbg: () => createHmacDrbg,
ensureBytes: () => ensureBytes,
equalBytes: () => equalBytes,
hexToBytes: () => hexToBytes2,
hexToNumber: () => hexToNumber,
numberToBytesBE: () => numberToBytesBE,
numberToBytesLE: () => numberToBytesLE,
numberToHexUnpadded: () => numberToHexUnpadded,
numberToVarBytesBE: () => numberToVarBytesBE,
utf8ToBytes: () => utf8ToBytes3,
validateObject: () => validateObject
});
var _0n = BigInt(0);
var _1n = BigInt(1);
var _2n = BigInt(2);
var u8a3 = (a) => a instanceof Uint8Array;
var hexes2 = /* @__PURE__ */ Array.from({ length: 256 }, (_, i2) => i2.toString(16).padStart(2, "0"));
function bytesToHex2(bytes3) {
if (!u8a3(bytes3))
throw new Error("Uint8Array expected");
let hex2 = "";
for (let i2 = 0; i2 < bytes3.length; i2++) {
hex2 += hexes2[bytes3[i2]];
}
return hex2;
}
function numberToHexUnpadded(num) {
const hex2 = num.toString(16);
return hex2.length & 1 ? `0${hex2}` : hex2;
}
function hexToNumber(hex2) {
if (typeof hex2 !== "string")
throw new Error("hex string expected, got " + typeof hex2);
return BigInt(hex2 === "" ? "0" : `0x${hex2}`);
}
function hexToBytes2(hex2) {
if (typeof hex2 !== "string")
throw new Error("hex string expected, got " + typeof hex2);
const len = hex2.length;
if (len % 2)
throw new Error("padded hex string expected, got unpadded hex of length " + len);
const array = new Uint8Array(len / 2);
for (let i2 = 0; i2 < array.length; i2++) {
const j = i2 * 2;
const hexByte = hex2.slice(j, j + 2);
const byte = Number.parseInt(hexByte, 16);
if (Number.isNaN(byte) || byte < 0)
throw new Error("Invalid byte sequence");
array[i2] = byte;
}
return array;
}
function bytesToNumberBE(bytes3) {
return hexToNumber(bytesToHex2(bytes3));
}
function bytesToNumberLE(bytes3) {
if (!u8a3(bytes3))
throw new Error("Uint8Array expected");
return hexToNumber(bytesToHex2(Uint8Array.from(bytes3).reverse()));
}
function numberToBytesBE(n, len) {
return hexToBytes2(n.toString(16).padStart(len * 2, "0"));
}
function numberToBytesLE(n, len) {
return numberToBytesBE(n, len).reverse();
}
function numberToVarBytesBE(n) {
return hexToBytes2(numberToHexUnpadded(n));
}
function ensureBytes(title, hex2, expectedLength) {
let res;
if (typeof hex2 === "string") {
try {
res = hexToBytes2(hex2);
} catch (e) {
throw new Error(`${title} must be valid hex string, got "${hex2}". Cause: ${e}`);
}
} else if (u8a3(hex2)) {
res = Uint8Array.from(hex2);
} else {
throw new Error(`${title} must be hex string or Uint8Array`);
}
const len = res.length;
if (typeof expectedLength === "number" && len !== expectedLength)
throw new Error(`${title} expected ${expectedLength} bytes, got ${len}`);
return res;
}
function concatBytes3(...arrays) {
const r = new Uint8Array(arrays.reduce((sum, a) => sum + a.length, 0));
let pad = 0;
arrays.forEach((a) => {
if (!u8a3(a))
throw new Error("Uint8Array expected");
r.set(a, pad);
pad += a.length;
});
return r;
}
function equalBytes(b1, b2) {
if (b1.length !== b2.length)
return false;
for (let i2 = 0; i2 < b1.length; i2++)
if (b1[i2] !== b2[i2])
return false;
return true;
}
function utf8ToBytes3(str) {
if (typeof str !== "string")
throw new Error(`utf8ToBytes expected string, got ${typeof str}`);
return new Uint8Array(new TextEncoder().encode(str));
}
function bitLen(n) {
let len;
for (len = 0; n > _0n; n >>= _1n, len += 1)
;
return len;
}
function bitGet(n, pos) {
return n >> BigInt(pos) & _1n;
}
var bitSet = (n, pos, value) => {
return n | (value ? _1n : _0n) << BigInt(pos);
};
var bitMask = (n) => (_2n << BigInt(n - 1)) - _1n;
var u8n = (data) => new Uint8Array(data);
var u8fr = (arr) => Uint8Array.from(arr);
function createHmacDrbg(hashLen, qByteLen, hmacFn) {
if (typeof hashLen !== "number" || hashLen < 2)
throw new Error("hashLen must be a number");
if (typeof qByteLen !== "number" || qByteLen < 2)
throw new Error("qByteLen must be a number");
if (typeof hmacFn !== "function")
throw new Error("hmacFn must be a function");
let v = u8n(hashLen);
let k = u8n(hashLen);
let i2 = 0;
const reset = () => {
v.fill(1);
k.fill(0);
i2 = 0;
};
const h = (...b) => hmacFn(k, v, ...b);
const reseed = (seed = u8n()) => {
k = h(u8fr([0]), seed);
v = h();
if (seed.length === 0)
return;
k = h(u8fr([1]), seed);
v = h();
};
const gen = () => {
if (i2++ >= 1e3)
throw new Error("drbg: tried 1000 values");
let len = 0;
const out = [];
while (len < qByteLen) {
v = h();
const sl = v.slice();
out.push(sl);
len += v.length;
}
return concatBytes3(...out);
};
const genUntil = (seed, pred) => {
reset();
reseed(seed);
let res = void 0;
while (!(res = pred(gen())))
reseed();
reset();
return res;
};
return genUntil;
}
var validatorFns = {
bigint: (val) => typeof val === "bigint",
function: (val) => typeof val === "function",
boolean: (val) => typeof val === "boolean",
string: (val) => typeof val === "string",
stringOrUint8Array: (val) => typeof val === "string" || val instanceof Uint8Array,
isSafeInteger: (val) => Number.isSafeInteger(val),
array: (val) => Array.isArray(val),
field: (val, object) => object.Fp.isValid(val),
hash: (val) => typeof val === "function" && Number.isSafeInteger(val.outputLen)
};
function validateObject(object, validators, optValidators = {}) {
const checkField = (fieldName, type, isOptional) => {
const checkVal = validatorFns[type];
if (typeof checkVal !== "function")
throw new Error(`Invalid validator "${type}", expected function`);
const val = object[fieldName];
if (isOptional && val === void 0)
return;
if (!checkVal(val, object)) {
throw new Error(`Invalid param ${String(fieldName)}=${val} (${typeof val}), expected ${type}`);
}
};
for (const [fieldName, type] of Object.entries(validators))
checkField(fieldName, type, false);
for (const [fieldName, type] of Object.entries(optValidators))
checkField(fieldName, type, true);
return object;
}
// ../nostr-tools/node_modules/@noble/curves/esm/abstract/modular.js
var _0n2 = BigInt(0);
var _1n2 = BigInt(1);
var _2n2 = BigInt(2);
var _3n = BigInt(3);
var _4n = BigInt(4);
var _5n = BigInt(5);
var _8n = BigInt(8);
var _9n = BigInt(9);
var _16n = BigInt(16);
function mod(a, b) {
const result = a % b;
return result >= _0n2 ? result : b + result;
}
function pow(num, power, modulo) {
if (modulo <= _0n2 || power < _0n2)
throw new Error("Expected power/modulo > 0");
if (modulo === _1n2)
return _0n2;
let res = _1n2;
while (power > _0n2) {
if (power & _1n2)
res = res * num % modulo;
num = num * num % modulo;
power >>= _1n2;
}
return res;
}
function pow2(x, power, modulo) {
let res = x;
while (power-- > _0n2) {
res *= res;
res %= modulo;
}
return res;
}
function invert(number3, modulo) {
if (number3 === _0n2 || modulo <= _0n2) {
throw new Error(`invert: expected positive integers, got n=${number3} mod=${modulo}`);
}
let a = mod(number3, modulo);
let b = modulo;
let x = _0n2, y = _1n2, u = _1n2, v = _0n2;
while (a !== _0n2) {
const q = b / a;
const r = b % a;
const m = x - u * q;
const n = y - v * q;
b = a, a = r, x = u, y = v, u = m, v = n;
}
const gcd2 = b;
if (gcd2 !== _1n2)
throw new Error("invert: does not exist");
return mod(x, modulo);
}
function tonelliShanks(P) {
const legendreC = (P - _1n2) / _2n2;
let Q, S, Z;
for (Q = P - _1n2, S = 0; Q % _2n2 === _0n2; Q /= _2n2, S++)
;
for (Z = _2n2; Z < P && pow(Z, legendreC, P) !== P - _1n2; Z++)
;
if (S === 1) {
const p1div4 = (P + _1n2) / _4n;
return function tonelliFast(Fp2, n) {
const root = Fp2.pow(n, p1div4);
if (!Fp2.eql(Fp2.sqr(root), n))
throw new Error("Cannot find square root");
return root;
};
}
const Q1div2 = (Q + _1n2) / _2n2;
return function tonelliSlow(Fp2, n) {
if (Fp2.pow(n, legendreC) === Fp2.neg(Fp2.ONE))
throw new Error("Cannot find square root");
let r = S;
let g = Fp2.pow(Fp2.mul(Fp2.ONE, Z), Q);
let x = Fp2.pow(n, Q1div2);
let b = Fp2.pow(n, Q);
while (!Fp2.eql(b, Fp2.ONE)) {
if (Fp2.eql(b, Fp2.ZERO))
return Fp2.ZERO;
let m = 1;
for (let t2 = Fp2.sqr(b); m < r; m++) {
if (Fp2.eql(t2, Fp2.ONE))
break;
t2 = Fp2.sqr(t2);
}
const ge2 = Fp2.pow(g, _1n2 << BigInt(r - m - 1));
g = Fp2.sqr(ge2);
x = Fp2.mul(x, ge2);
b = Fp2.mul(b, g);
r = m;
}
return x;
};
}
function FpSqrt(P) {
if (P % _4n === _3n) {
const p1div4 = (P + _1n2) / _4n;
return function sqrt3mod4(Fp2, n) {
const root = Fp2.pow(n, p1div4);
if (!Fp2.eql(Fp2.sqr(root), n))
throw new Error("Cannot find square root");
return root;
};
}
if (P % _8n === _5n) {
const c1 = (P - _5n) / _8n;
return function sqrt5mod8(Fp2, n) {
const n2 = Fp2.mul(n, _2n2);
const v = Fp2.pow(n2, c1);
const nv = Fp2.mul(n, v);
const i2 = Fp2.mul(Fp2.mul(nv, _2n2), v);
const root = Fp2.mul(nv, Fp2.sub(i2, Fp2.ONE));
if (!Fp2.eql(Fp2.sqr(root), n))
throw new Error("Cannot find square root");
return root;
};
}
if (P % _16n === _9n) {
}
return tonelliShanks(P);
}
var FIELD_FIELDS = [
"create",
"isValid",
"is0",
"neg",
"inv",
"sqrt",
"sqr",
"eql",
"add",
"sub",
"mul",
"pow",
"div",
"addN",
"subN",
"mulN",
"sqrN"
];
function validateField(field) {
const initial = {
ORDER: "bigint",
MASK: "bigint",
BYTES: "isSafeInteger",
BITS: "isSafeInteger"
};
const opts = FIELD_FIELDS.reduce((map, val) => {
map[val] = "function";
return map;
}, initial);
return validateObject(field, opts);
}
function FpPow(f, num, power) {
if (power < _0n2)
throw new Error("Expected power > 0");
if (power === _0n2)
return f.ONE;
if (power === _1n2)
return num;
let p = f.ONE;
let d = num;
while (power > _0n2) {
if (power & _1n2)
p = f.mul(p, d);
d = f.sqr(d);
power >>= _1n2;
}
return p;
}
function FpInvertBatch(f, nums) {
const tmp = new Array(nums.length);
const lastMultiplied = nums.reduce((acc, num, i2) => {
if (f.is0(num))
return acc;
tmp[i2] = acc;
return f.mul(acc, num);
}, f.ONE);
const inverted = f.inv(lastMultiplied);
nums.reduceRight((acc, num, i2) => {
if (f.is0(num))
return acc;
tmp[i2] = f.mul(acc, tmp[i2]);
return f.mul(acc, num);
}, inverted);
return tmp;
}
function nLength(n, nBitLength) {
const _nBitLength = nBitLength !== void 0 ? nBitLength : n.toString(2).length;
const nByteLength = Math.ceil(_nBitLength / 8);
return { nBitLength: _nBitLength, nByteLength };
}
function Field(ORDER, bitLen2, isLE3 = false, redef = {}) {
if (ORDER <= _0n2)
throw new Error(`Expected Field ORDER > 0, got ${ORDER}`);
const { nBitLength: BITS, nByteLength: BYTES } = nLength(ORDER, bitLen2);
if (BYTES > 2048)
throw new Error("Field lengths over 2048 bytes are not supported");
const sqrtP = FpSqrt(ORDER);
const f = Object.freeze({
ORDER,
BITS,
BYTES,
MASK: bitMask(BITS),
ZERO: _0n2,
ONE: _1n2,
create: (num) => mod(num, ORDER),
isValid: (num) => {
if (typeof num !== "bigint")
throw new Error(`Invalid field element: expected bigint, got ${typeof num}`);
return _0n2 <= num && num < ORDER;
},
is0: (num) => num === _0n2,
isOdd: (num) => (num & _1n2) === _1n2,
neg: (num) => mod(-num, ORDER),
eql: (lhs, rhs) => lhs === rhs,
sqr: (num) => mod(num * num, ORDER),
add: (lhs, rhs) => mod(lhs + rhs, ORDER),
sub: (lhs, rhs) => mod(lhs - rhs, ORDER),
mul: (lhs, rhs) => mod(lhs * rhs, ORDER),
pow: (num, power) => FpPow(f, num, power),
div: (lhs, rhs) => mod(lhs * invert(rhs, ORDER), ORDER),
sqrN: (num) => num * num,
addN: (lhs, rhs) => lhs + rhs,
subN: (lhs, rhs) => lhs - rhs,
mulN: (lhs, rhs) => lhs * rhs,
inv: (num) => invert(num, ORDER),
sqrt: redef.sqrt || ((n) => sqrtP(f, n)),
invertBatch: (lst) => FpInvertBatch(f, lst),
cmov: (a, b, c) => c ? b : a,
toBytes: (num) => isLE3 ? numberToBytesLE(num, BYTES) : numberToBytesBE(num, BYTES),
fromBytes: (bytes3) => {
if (bytes3.length !== BYTES)
throw new Error(`Fp.fromBytes: expected ${BYTES}, got ${bytes3.length}`);
return isLE3 ? bytesToNumberLE(bytes3) : bytesToNumberBE(bytes3);
}
});
return Object.freeze(f);
}
function getFieldBytesLength(fieldOrder) {
if (typeof fieldOrder !== "bigint")
throw new Error("field order must be bigint");
const bitLength = fieldOrder.toString(2).length;
return Math.ceil(bitLength / 8);
}
function getMinHashLength(fieldOrder) {
const length = getFieldBytesLength(fieldOrder);
return length + Math.ceil(length / 2);
}
function mapHashToField(key, fieldOrder, isLE3 = false) {
const len = key.length;
const fieldLen = getFieldBytesLength(fieldOrder);
const minLen = getMinHashLength(fieldOrder);
if (len < 16 || len < minLen || len > 1024)
throw new Error(`expected ${minLen}-1024 bytes of input, got ${len}`);
const num = isLE3 ? bytesToNumberBE(key) : bytesToNumberLE(key);
const reduced = mod(num, fieldOrder - _1n2) + _1n2;
return isLE3 ? numberToBytesLE(reduced, fieldLen) : numberToBytesBE(reduced, fieldLen);
}
// ../nostr-tools/node_modules/@noble/curves/esm/abstract/curve.js
var _0n3 = BigInt(0);
var _1n3 = BigInt(1);
function wNAF(c, bits) {
const constTimeNegate = (condition, item) => {
const neg = item.negate();
return condition ? neg : item;
};
const opts = (W) => {
const windows = Math.ceil(bits / W) + 1;
const windowSize = 2 ** (W - 1);
return { windows, windowSize };
};
return {
constTimeNegate,
unsafeLadder(elm, n) {
let p = c.ZERO;
let d = elm;
while (n > _0n3) {
if (n & _1n3)
p = p.add(d);
d = d.double();
n >>= _1n3;
}
return p;
},
precomputeWindow(elm, W) {
const { windows, windowSize } = opts(W);
const points = [];
let p = elm;
let base = p;
for (let window2 = 0; window2 < windows; window2++) {
base = p;
points.push(base);
for (let i2 = 1; i2 < windowSize; i2++) {
base = base.add(p);
points.push(base);
}
p = base.double();
}
return points;
},
wNAF(W, precomputes, n) {
const { windows, windowSize } = opts(W);
let p = c.ZERO;
let f = c.BASE;
const mask = BigInt(2 ** W - 1);
const maxNumber = 2 ** W;
const shiftBy = BigInt(W);
for (let window2 = 0; window2 < windows; window2++) {
const offset = window2 * windowSize;
let wbits = Number(n & mask);
n >>= shiftBy;
if (wbits > windowSize) {
wbits -= maxNumber;
n += _1n3;
}
const offset1 = offset;
const offset2 = offset + Math.abs(wbits) - 1;
const cond1 = window2 % 2 !== 0;
const cond2 = wbits < 0;
if (wbits === 0) {
f = f.add(constTimeNegate(cond1, precomputes[offset1]));
} else {
p = p.add(constTimeNegate(cond2, precomputes[offset2]));
}
}
return { p, f };
},
wNAFCached(P, precomputesMap, n, transform) {
const W = P._WINDOW_SIZE || 1;
let comp = precomputesMap.get(P);
if (!comp) {
comp = this.precomputeWindow(P, W);
if (W !== 1) {
precomputesMap.set(P, transform(comp));
}
}
return this.wNAF(W, comp, n);
}
};
}
function validateBasic(curve) {
validateField(curve.Fp);
validateObject(curve, {
n: "bigint",
h: "bigint",
Gx: "field",
Gy: "field"
}, {
nBitLength: "isSafeInteger",
nByteLength: "isSafeInteger"
});
return Object.freeze({
...nLength(curve.n, curve.nBitLength),
...curve,
...{ p: curve.Fp.ORDER }
});
}
// ../nostr-tools/node_modules/@noble/curves/esm/abstract/weierstrass.js
function validatePointOpts(curve) {
const opts = validateBasic(curve);
validateObject(opts, {
a: "field",
b: "field"
}, {
allowedPrivateKeyLengths: "array",
wrapPrivateKey: "boolean",
isTorsionFree: "function",
clearCofactor: "function",
allowInfinityPoint: "boolean",
fromBytes: "function",
toBytes: "function"
});
const { endo, Fp: Fp2, a } = opts;
if (endo) {
if (!Fp2.eql(a, Fp2.ZERO)) {
throw new Error("Endomorphism can only be defined for Koblitz curves that have a=0");
}
if (typeof endo !== "object" || typeof endo.beta !== "bigint" || typeof endo.splitScalar !== "function") {
throw new Error("Expected endomorphism with beta: bigint and splitScalar: fu