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dashkeys.js
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/** @typedef {import('./base-x.types.js').BaseX} BaseX */
/** @typedef {import('./base-x.types.js').Create} BaseXCreate */
/** @typedef {import('./base-x.types.js').Decode} BaseXDecode */
/** @typedef {import('./base-x.types.js').DecodeUnsafe} BaseXDecodeUnsafe */
/** @typedef {import('./base-x.types.js').Encode} BaseXEncode */
/** @typedef {import('./base58check.types.js').Base58Check} Base58Check */
/** @typedef {import('./base58check.types.js').base58Check} Base58CheckInstance */
/** @typedef {import('./base58check.types.js').Checksum} Base58CheckChecksum */
/** @typedef {import('./base58check.types.js').Create} Base58CheckCreate */
/** @typedef {import('./base58check.types.js').Decode} Base58CheckDecode */
/** @typedef {import('./base58check.types.js').DecodeHex} Base58CheckDecodeHex */
/** @typedef {import('./base58check.types.js').Encode} Base58CheckEncode */
/** @typedef {import('./base58check.types.js').EncodeHex} Base58CheckEncodeHex */
/** @typedef {import('./base58check.types.js').EncodeParts} Base58CheckEncodeParts */
/** @typedef {import('./base58check.types.js').Parts} Base58CheckParts */
/** @typedef {import('./base58check.types.js').PrivateParts} Base58CheckPrivateParts */
/** @typedef {import('./base58check.types.js').PubKeyHashParts} Base58CheckPubKeyHashParts */
/** @typedef {import('./base58check.types.js').XPrvParts} Base58CheckXPrvParts */
/** @typedef {import('./base58check.types.js').XPubParts} Base58CheckXPubParts */
/** @typedef {import('./base58check.types.js').Verify} Base58CheckVerify */
/** @typedef {import('./base58check.types.js').VerifyHex} Base58CheckVerifyHex */
/** @typedef {import('./ripemd160.types.js').RIPEMD160} RIPEMD160 */
/** @typedef {import('./ripemd160.types.js').Create} RIPEMD160Create */
/** @typedef {import('./ripemd160.types.js').Digest} RIPEMD160Digest */
/** @typedef {import('./ripemd160.types.js').Hash} RIPEMD160Hash */
/** @typedef {import('./ripemd160.types.js').Update} RIPEMD160Update */
/**
* @typedef DashKeys
* @prop {DecodeBase58Check} decode
* @prop {EncodeKeyUint8Array} encodeKey
* @prop {AddressToPubKeyHash} addrToPkh
* @prop {PubKeyHashToAddress} pkhToAddr
* @prop {PrivateKeyToWif} privKeyToWif
* @prop {PublicKeyToAddress} pubkeyToAddr
* @prop {PublicKeyToPubKeyHash} pubkeyToPkh
* @prop {WifToAddress} wifToAddr
* @prop {WifToPrivateKey} wifToPrivKey
* @prop {DashKeysUtils} utils
* @prop {EncodeKeyUint8Array} _encodeXKey
* @prop {Base58CheckInstance} _dash58check
*/
/**
* @typedef DashKeysUtils
* @prop {Uint8ArrayToHex} bytesToHex
* @prop {GenerateWif} generateWifNonHd
* @prop {HexToUint8Array} hexToBytes
* @prop {Hasher} ripemd160sum
* @prop {Hasher} sha256sum
* @prop {ToPublicKey} toPublicKey
*/
/** @type {BaseX} */
//@ts-ignore
var BaseX = {};
/** @type {Base58Check} */
//@ts-ignore
var Base58Check = {};
/** @type {RIPEMD160} */
//@ts-ignore
var RIPEMD160 = {};
/** @typedef {"4c"} DASH_PKH */
/** @typedef {"8c"} DASH_PKH_TESTNET */
/** @typedef {"cc"} DASH_PRIV_KEY */
/** @typedef {"ef"} DASH_PRIV_KEY_TESTNET */
/** @typedef {"0488ade4"} XPRV */
/** @typedef {"0488b21e"} XPUB */
/** @typedef {"04358394"} TPRV */
/** @typedef {"043587cf"} TPUB */
/** @typedef {"mainnet"|"testnet"|DASH_PKH|DASH_PRIV_KEY|DASH_PKH_TESTNET|DASH_PRIV_KEY_TESTNET|"xprv"|"tprv"|"xpub"|"tpub"|XPRV|XPUB|TPRV|TPUB} VERSION */
/** @typedef {"mainnet"|"cc"|"testnet"|"ef"} VERSION_PRIVATE */
/** @type {DashKeys} */
//@ts-ignore
var DashKeys = ("object" === typeof module && exports) || {};
(function (Window, /** @type {DashKeys} */ _DashKeys) {
"use strict";
// generally the same across cryptocurrencies
const BASE58 = `123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz`;
// specific to DASH mainnet and testnet
const DASH_PKH = "4c";
const DASH_PKH_TESTNET = "8c";
const DASH_PRIV_KEY = "cc";
const DASH_PRIV_KEY_TESTNET = "ef";
// generally the same across coins for mainnet
const XPRV = "0488ade4";
const XPUB = "0488b21e";
// sometimes different for various coins on testnet
const TPRV = "04358394";
const TPUB = "043587cf";
/** @type {typeof window.crypto} */
let Crypto = globalThis.crypto;
let Utils = {};
/** @type {Uint8ArrayToHex} */
Utils.bytesToHex = function (bytes) {
/** @type {Array<String>} */
let hex = [];
bytes.forEach(function (b) {
let h = b.toString(16);
h = h.padStart(2, "0");
hex.push(h);
});
return hex.join("");
};
/** @type {GenerateWif} */
Utils.generateWifNonHd = async function (opts) {
/** @type {import('@dashincubator/secp256k1')} */
let Secp256k1 =
//@ts-ignore
Window.nobleSecp256k1 || require("@dashincubator/secp256k1");
let privBytes = Secp256k1.utils.randomPrivateKey();
let privateKey = Utils.bytesToHex(privBytes);
let version = opts?.version ?? "";
switch (version) {
case "mainnet":
version = DASH_PRIV_KEY;
break;
case "testnet":
version = DASH_PRIV_KEY_TESTNET;
break;
default:
// no change
}
let wif = await _DashKeys._dash58check.encode({ privateKey, version });
return wif;
};
/** @type {HexToUint8Array} */
Utils.hexToBytes = function (hex) {
let len = hex.length / 2;
let bytes = new Uint8Array(len);
let index = 0;
for (let i = 0; i < hex.length; i += 2) {
let c = hex.slice(i, i + 2);
let b = parseInt(c, 16);
bytes[index] = b;
index += 1;
}
return bytes;
};
/** @type {Hasher} */
Utils.ripemd160sum = async function (bytes) {
let hashBytes = await RIPEMD160.hash(bytes);
return hashBytes;
};
/** @type {Hasher} */
Utils.sha256sum = async function (bytes) {
if (!Crypto.subtle) {
//@ts-ignore
let sha256 = Crypto.createHash("sha256").update(bytes).digest();
return new Uint8Array(sha256);
}
let arrayBuffer = await Crypto.subtle.digest("SHA-256", bytes);
let hashBytes = new Uint8Array(arrayBuffer);
return hashBytes;
};
/** @type {ToPublicKey} */
Utils.toPublicKey = async function (privBytes) {
/** @type {import('@dashincubator/secp256k1')} */
let Secp256k1 =
//@ts-ignore
Window.nobleSecp256k1 || require("@dashincubator/secp256k1");
let isCompressed = true;
return Secp256k1.getPublicKey(privBytes, isCompressed);
};
(function () {
// BaseX
// base58 (base-x) encoding / decoding
// Copyright (c) 2022 Dash Incubator (base58)
// Copyright (c) 2021-2022 AJ ONeal (base62)
// Copyright (c) 2018 base-x contributors
// Copyright (c) 2014-2018 The Bitcoin Core developers (base58.cpp)
// Distributed under the MIT software license, see the accompanying
// file LICENSE or http://www.opensource.org/licenses/mit-license.php.
//
// Taken from https://github.com/therootcompany/base62.js
// which is a fork of https://github.com/cryptocoinjs/base-x
/** @type {BaseXCreate} */
BaseX.create = function (ALPHABET) {
let baseX = {};
if (!ALPHABET) {
ALPHABET = BASE58;
}
if (ALPHABET.length >= 255) {
throw new TypeError("Alphabet too long");
}
var BASE_MAP = new Uint8Array(256);
for (var j = 0; j < BASE_MAP.length; j += 1) {
BASE_MAP[j] = 255;
}
for (var i = 0; i < ALPHABET.length; i += 1) {
var x = ALPHABET.charAt(i);
var xc = x.charCodeAt(0);
if (BASE_MAP[xc] !== 255) {
throw new TypeError(x + " is ambiguous");
}
BASE_MAP[xc] = i;
}
var BASE = ALPHABET.length;
var LEADER = ALPHABET.charAt(0);
var FACTOR = Math.log(BASE) / Math.log(256); // log(BASE) / log(256), rounded up
var iFACTOR = Math.log(256) / Math.log(BASE); // log(256) / log(BASE), rounded up
/** @type {BaseXDecode} */
baseX.decode = function (string) {
var buffer = decodeUnsafe(string);
if (buffer) {
return buffer;
}
throw new Error("Non-base" + BASE + " character");
};
/** @type {BaseXDecodeUnsafe} */
function decodeUnsafe(source) {
if (typeof source !== "string") {
throw new TypeError("Expected String");
}
if (source.length === 0) {
return new Uint8Array(0);
}
var psz = 0;
// Skip and count leading '1's.
var zeroes = 0;
var length = 0;
while (source[psz] === LEADER) {
zeroes += 1;
psz += 1;
}
// Allocate enough space in big-endian base256 representation.
var size = ((source.length - psz) * FACTOR + 1) >>> 0; // log(58) / log(256), rounded up.
var b256 = new Uint8Array(size);
// Process the characters.
while (source[psz]) {
// Decode character
var carry = BASE_MAP[source.charCodeAt(psz)];
// Invalid character
if (carry === 255) {
return null;
}
var i = 0;
for (
var it3 = size - 1;
(carry !== 0 || i < length) && it3 !== -1;
it3 -= 1, i += 1
) {
carry += (BASE * b256[it3]) >>> 0;
b256[it3] = carry % 256 >>> 0;
carry = (carry / 256) >>> 0;
}
if (carry !== 0) {
throw new Error("Non-zero carry");
}
length = i;
psz += 1;
}
// Skip leading zeroes in b256.
var it4 = size - length;
while (it4 !== size && b256[it4] === 0) {
it4 += 1;
}
var vch = new Uint8Array(zeroes + (size - it4));
var j = zeroes;
while (it4 !== size) {
vch[j] = b256[it4];
j += 1;
it4 += 1;
}
return vch;
}
/** @type {BaseXEncode} */
baseX.encode = function (source) {
if (Array.isArray(source) || !(source instanceof Uint8Array)) {
source = Uint8Array.from(source);
}
if (!(source instanceof Uint8Array)) {
throw new TypeError("Expected Uint8Array");
}
if (source.length === 0) {
return "";
}
// Skip & count leading zeroes.
var zeroes = 0;
var length = 0;
var pbegin = 0;
var pend = source.length;
while (pbegin !== pend && source[pbegin] === 0) {
pbegin += 1;
zeroes += 1;
}
// Allocate enough space in big-endian base58 representation.
var size = ((pend - pbegin) * iFACTOR + 1) >>> 0;
var b58 = new Uint8Array(size);
// Process the bytes.
while (pbegin !== pend) {
var carry = source[pbegin];
// Apply "b58 = b58 * 256 + ch".
var i = 0;
for (
var it1 = size - 1;
(carry !== 0 || i < length) && it1 !== -1;
it1 -= 1, i += 1
) {
carry += (256 * b58[it1]) >>> 0;
b58[it1] = carry % BASE >>> 0;
carry = (carry / BASE) >>> 0;
}
if (carry !== 0) {
throw new Error("Non-zero carry");
}
length = i;
pbegin += 1;
}
// Skip leading zeroes in base58 result.
var it2 = size - length;
while (it2 !== size && b58[it2] === 0) {
it2 += 1;
}
// Translate the result into a string.
var str = LEADER.repeat(zeroes);
for (; it2 < size; it2 += 1) {
str += ALPHABET.charAt(b58[it2]);
}
return str;
};
return baseX;
};
})();
(function () {
// Base58Check
// See also:
// - https://en.bitcoin.it/wiki/Base58Check_encoding
// - https://appdevtools.com/base58-encoder-decoder
// - https://dashcore.readme.io/docs/core-ref-transactions-address-conversion
// - https://docs.dash.org/en/stable/developers/testnet.html
/** @type {Base58CheckCreate} */
Base58Check.create = function (opts) {
let dictionary = opts?.dictionary || BASE58;
// See https://github.com/dashhive/dashkeys.js/blob/1f0f4e0d0aabf9e68d94925d660f00666f502391/dashkeys.js#L38
let privateKeyVersion = opts?.privateKeyVersion || DASH_PRIV_KEY;
let pubKeyHashVersion = opts?.pubKeyHashVersion || DASH_PKH;
// From https://bitcoin.stackexchange.com/questions/38878/how-does-the-bip32-version-bytes-convert-to-base58
let xprvVersion = opts?.xprvVersion || XPRV; // base58-encoded "xprv..."
let xpubVersion = opts?.xpubVersion || XPUB; // base58-encoded "xpub..."
let bs58 = BaseX.create(dictionary);
let b58c = {};
/** @type {Base58CheckChecksum} */
b58c.checksum = async function (parts) {
b58c._setVersion(parts);
//@ts-ignore
parts.compressed = true; // parts.compressed ?? true;
let key =
//@ts-ignore
parts.pubKeyHash || parts.privateKey || parts.xprv || parts.xpub;
let compression = "";
//@ts-ignore
if (parts.compressed && 64 === key.length) {
compression = "01";
}
let hex = `${parts.version}${key}${compression}`;
let check = await b58c._checksumHexRaw(hex);
return check;
};
/**
* @private
* @param {String} hex
*/
b58c._checksumHexRaw = async function (hex) {
let buf = Utils.hexToBytes(hex);
let hash1 = await Utils.sha256sum(buf);
let hash2 = await Utils.sha256sum(hash1);
let last4 = hash2.slice(0, 4);
let check = Utils.bytesToHex(last4);
return check;
};
/**
* @private
* @param {Base58CheckEncodeParts} parts
*/
b58c._setVersion = function (parts) {
//@ts-ignore
if (parts.pubKeyHash) {
//@ts-ignore
if (parts.privateKey) {
throw new Error(
`[@dashincubator/base58check] either 'privateKey' or 'pubKeyHash' must exist, but not both`,
);
}
}
if (!parts.version) {
//@ts-ignore
if (parts.privateKey) {
parts.version = privateKeyVersion;
}
//@ts-ignore
else if (parts.pubKeyHash) {
parts.version = pubKeyHashVersion;
}
return;
}
//@ts-ignore
if (parts.privateKey) {
if (parts.version === pubKeyHashVersion) {
throw new Error(
`[@dashincubator/base58check] '${parts.version}' is a public version, but the given key is private`,
);
}
return;
}
//@ts-ignore
if (parts.pubKeyHash) {
if (parts.version === privateKeyVersion) {
throw new Error(
`[@dashincubator/base58check] '${parts.version}' is a private version, but the given key is a pubKeyHash`,
);
}
}
};
/** @type {Base58CheckVerify} */
b58c.verify = async function (b58Addr, opts) {
let bytes = bs58.decode(b58Addr);
let hex = Utils.bytesToHex(bytes);
return await b58c.verifyHex(hex, opts);
};
/** @type {Base58CheckVerifyHex} */
b58c.verifyHex = async function (base58check, opts) {
let parts = b58c.decodeHex(base58check, opts);
let check = await b58c.checksum(parts);
let valid = parts.check === check;
if (!valid) {
if (false !== opts?.verify) {
throw new Error(`expected '${parts.check}', but got '${check}'`);
}
parts.valid = valid;
}
return parts;
};
/** @type {Base58CheckDecode} */
b58c.decode = function (b58Addr, opts) {
let bytes = bs58.decode(b58Addr);
let hex = Utils.bytesToHex(bytes);
return b58c.decodeHex(hex, opts);
};
/** @type {Base58CheckDecodeHex} */
b58c.decodeHex = function (addr, opts) {
let version = addr.slice(0, privateKeyVersion.length);
let versions = opts?.versions || [pubKeyHashVersion, privateKeyVersion];
let xversions = opts?.xversions || [xpubVersion, xprvVersion];
let isXKey = false;
if (!versions.includes(version)) {
let xversion = addr.slice(0, xprvVersion.length);
isXKey = xversions.includes(xversion);
if (!isXKey) {
throw new Error(
`[@dashincubator/base58check] expected pubKeyHash (or privateKey) to start with 0x${pubKeyHashVersion} (or 0x${privateKeyVersion}), not '0x${version}'`,
);
}
version = xversion;
}
// Public Key Hash: 1 + 20 + 4 // 50 hex
// Private Key: 1 + 32 + 1 + 4 // 74 or 76 hex
if (![50, 74, 76].includes(addr.length)) {
if (!isXKey) {
throw new Error(
`pubKeyHash (or privateKey) isn't as long as expected (should be 50, 74, or 76 hex chars, not ${addr.length})`,
);
}
}
let rawAddr = addr.slice(version.length, -8);
if (50 === addr.length) {
return {
version: version,
pubKeyHash: rawAddr,
check: addr.slice(-8),
};
}
if (isXKey) {
if (version === xprvVersion) {
return {
version: version,
xprv: rawAddr,
check: addr.slice(-8),
};
}
return {
version: version,
xpub: rawAddr,
check: addr.slice(-8),
};
}
return {
version: version,
privateKey: rawAddr.slice(0, 64),
compressed: true, // "01" === rawAddr.slice(64),
check: addr.slice(-8),
};
};
/** @type {Base58CheckEncode} */
b58c.encode = async function (parts) {
//@ts-ignore
if (parts.xprv) {
let version = parts.version || xprvVersion;
//@ts-ignore
return await b58c._encodeXKey(`${version}${parts.xprv}`);
}
//@ts-ignore
if (parts.xpub) {
let version = parts.version || xpubVersion;
//@ts-ignore
return await b58c._encodeXKey(`${version}${parts.xpub}`);
}
let hex = await b58c.encodeHex(parts);
let bytes = Utils.hexToBytes(hex);
return bs58.encode(bytes);
};
/** @type {Base58CheckEncodeHex} */
b58c.encodeHex = async function (parts) {
//@ts-ignore
if (parts.pubKeyHash) {
return await b58c._encodePubKeyHashHex(parts);
}
//@ts-ignore
if (parts.privateKey) {
return await b58c._encodePrivateKeyHex(parts);
}
throw new Error(
`[@dashincubator/base58check] either 'privateKey' or 'pubKeyHash' must exist to encode`,
);
};
/**
* @private
* @param {String} versionAndKeyHex
*/
b58c._encodeXKey = async function (versionAndKeyHex) {
let checkHex = await b58c._checksumHexRaw(versionAndKeyHex);
let bytes = Utils.hexToBytes(`${versionAndKeyHex}${checkHex}`);
return bs58.encode(bytes);
};
/**
* @private
* @param {Base58CheckEncodeParts} parts
*/
b58c._encodePrivateKeyHex = async function (parts) {
parts.compressed = true; // parts.compressed ?? true;
//@ts-ignore
let key = parts.privateKey;
if (66 === key.length && "01" === key.slice(-2)) {
//key.slice(0, 64);
parts.compressed = true;
} else if (64 === key.length && parts.compressed) {
key += "01";
} else {
throw new Error(
`[@dashincubator/dashkeys/base58check] ${key.length} is not a valid length for a private key - it should be 32 bytes (64 hex chars), or 33 bytes with compressed marker byte`,
);
}
b58c._setVersion(parts);
// after version and compression are set
let check = await b58c.checksum(parts);
return `${parts.version}${key}${check}`;
};
/**
* @private
* @param {Base58CheckEncodeParts} parts
*/
b58c._encodePubKeyHashHex = async function (parts) {
//@ts-ignore
let key = parts.pubKeyHash;
if (40 !== key.length) {
throw new Error(
`[@dashincubator/base58check] ${key.length} is not a valid pub key hash length, should be 20 bytes (40 hex chars)`,
);
}
b58c._setVersion(parts);
// after version is set
let check = await b58c.checksum(parts);
return `${parts.version}${key}${check}`;
};
return b58c;
};
})();
(function () {
// RIPEMD160
const ARRAY16 = new Array(16);
const zl = [
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 7, 4, 13, 1, 10, 6,
15, 3, 12, 0, 9, 5, 2, 14, 11, 8, 3, 10, 14, 4, 9, 15, 8, 1, 2, 7, 0, 6,
13, 11, 5, 12, 1, 9, 11, 10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2, 4, 0,
5, 9, 7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13,
];
const zr = [
5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12, 6, 11, 3, 7, 0, 13,
5, 10, 14, 15, 8, 12, 4, 9, 1, 2, 15, 5, 1, 3, 7, 14, 6, 9, 11, 8, 12, 2,
10, 0, 4, 13, 8, 6, 4, 1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14, 12,
15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11,
];
const sl = [
11, 14, 15, 12, 5, 8, 7, 9, 11, 13, 14, 15, 6, 7, 9, 8, 7, 6, 8, 13, 11,
9, 7, 15, 7, 12, 15, 9, 11, 7, 13, 12, 11, 13, 6, 7, 14, 9, 13, 15, 14, 8,
13, 6, 5, 12, 7, 5, 11, 12, 14, 15, 14, 15, 9, 8, 9, 14, 5, 6, 8, 6, 5,
12, 9, 15, 5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11, 8, 5, 6,
];
const sr = [
8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6, 9, 13, 15, 7, 12,
8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11, 9, 7, 15, 11, 8, 6, 6, 14, 12, 13,
5, 14, 13, 13, 7, 5, 15, 5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15,
8, 8, 5, 12, 9, 12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11,
];
const hl = [0x00000000, 0x5a827999, 0x6ed9eba1, 0x8f1bbcdc, 0xa953fd4e];
const hr = [0x50a28be6, 0x5c4dd124, 0x6d703ef3, 0x7a6d76e9, 0x00000000];
const blockSize = 64;
class _RIPEMD160 {
constructor() {
// state
/** @private */
this._a = 0x67452301;
/** @private */
this._b = 0xefcdab89;
/** @private */
this._c = 0x98badcfe;
/** @private */
this._d = 0x10325476;
/** @private */
this._e = 0xc3d2e1f0;
/** @private */
this._block = new Uint8Array(blockSize);
/** @private */
this._blockSize = blockSize;
/** @private */
this._blockOffset = 0;
/** @private */
this._length = [0, 0, 0, 0];
/** @private */
this._finalized = false;
}
/** @type {RIPEMD160Update} */
update(data) {
if (this._finalized) {
throw new Error("Digest already called");
}
if (!(data instanceof Uint8Array)) {
throw new Error("update() requires a Uint8Array");
}
// consume data
const block = this._block;
let offset = 0;
while (this._blockOffset + data.length - offset >= this._blockSize) {
for (let i = this._blockOffset; i < this._blockSize; ) {
block[i++] = data[offset++];
}
this._update();
this._blockOffset = 0;
}
while (offset < data.length) {
block[this._blockOffset++] = data[offset++];
}
// update length
for (let j = 0, carry = data.length * 8; carry > 0; ++j) {
this._length[j] += carry;
carry = (this._length[j] / 0x0100000000) | 0;
if (carry > 0) {
this._length[j] -= 0x0100000000 * carry;
}
}
return this;
}
/** @private */
_update() {
const words = ARRAY16;
const dv = new DataView(
this._block.buffer,
this._block.byteOffset,
blockSize,
);
for (let j = 0; j < 16; ++j) {
words[j] = dv.getInt32(j * 4, true);
}
let al = this._a | 0;
let bl = this._b | 0;
let cl = this._c | 0;
let dl = this._d | 0;
let el = this._e | 0;
let ar = this._a | 0;
let br = this._b | 0;
let cr = this._c | 0;
let dr = this._d | 0;
let er = this._e | 0;
// computation
for (let i = 0; i < 80; i += 1) {
let tl;
let tr;
if (i < 16) {
tl = fn1(al, bl, cl, dl, el, words[zl[i]], hl[0], sl[i]);
tr = fn5(ar, br, cr, dr, er, words[zr[i]], hr[0], sr[i]);
} else if (i < 32) {
tl = fn2(al, bl, cl, dl, el, words[zl[i]], hl[1], sl[i]);
tr = fn4(ar, br, cr, dr, er, words[zr[i]], hr[1], sr[i]);
} else if (i < 48) {
tl = fn3(al, bl, cl, dl, el, words[zl[i]], hl[2], sl[i]);
tr = fn3(ar, br, cr, dr, er, words[zr[i]], hr[2], sr[i]);
} else if (i < 64) {
tl = fn4(al, bl, cl, dl, el, words[zl[i]], hl[3], sl[i]);
tr = fn2(ar, br, cr, dr, er, words[zr[i]], hr[3], sr[i]);
} else {
// if (i<80) {
tl = fn5(al, bl, cl, dl, el, words[zl[i]], hl[4], sl[i]);
tr = fn1(ar, br, cr, dr, er, words[zr[i]], hr[4], sr[i]);
}
al = el;
el = dl;
dl = rotl(cl, 10);
cl = bl;
bl = tl;
ar = er;
er = dr;
dr = rotl(cr, 10);
cr = br;
br = tr;
}
// update state
const t = (this._b + cl + dr) | 0;
this._b = (this._c + dl + er) | 0;
this._c = (this._d + el + ar) | 0;
this._d = (this._e + al + br) | 0;
this._e = (this._a + bl + cr) | 0;
this._a = t;
}
/** @type {RIPEMD160Digest} */
digest() {
if (this._finalized) {
throw new Error("Digest already called");
}
this._finalized = true;
const dig = this._digest();
return dig;
}
/**
* @returns {Uint8Array}
*/
_digest() {
// create padding and handle blocks
this._block[this._blockOffset++] = 0x80;
if (this._blockOffset > 56) {
for (let i = this._blockOffset; i < 64; i++) {
this._block[i] = 0;
}
this._update();
this._blockOffset = 0;
}
for (let i = this._blockOffset; i < 56; i++) {
this._block[i] = 0;
}
let dv = new DataView(
this._block.buffer,
this._block.byteOffset,
blockSize,
);
dv.setUint32(56, this._length[0], true);
dv.setUint32(60, this._length[1], true);
this._update();
// produce result
const buffer = new Uint8Array(20);
dv = new DataView(buffer.buffer, buffer.byteOffset, 20);
dv.setInt32(0, this._a, true);
dv.setInt32(4, this._b, true);
dv.setInt32(8, this._c, true);
dv.setInt32(12, this._d, true);
dv.setInt32(16, this._e, true);
return buffer;
}
}
/** @type {RIPEMD160Create} */
RIPEMD160.create = function () {
return new _RIPEMD160();
};
/** @type {RIPEMD160Hash} */
RIPEMD160.hash = function (bytes) {
let hasher = new _RIPEMD160();
hasher.update(bytes);
return hasher.digest();
};
/**
* @param {number} x
* @param {number} n
* @returns {number}
*/
function rotl(x, n) {
return (x << n) | (x >>> (32 - n));
}
/**
* @param {number} a
* @param {number} b
* @param {number} c
* @param {number} d
* @param {number} e
* @param {number} m
* @param {number} k
* @param {number} s
* @returns {number}
*/
function fn1(a, b, c, d, e, m, k, s) {
return (rotl((a + (b ^ c ^ d) + m + k) | 0, s) + e) | 0;
}
/**
* @param {number} a
* @param {number} b
* @param {number} c
* @param {number} d
* @param {number} e
* @param {number} m
* @param {number} k
* @param {number} s
* @returns {number}
*/
function fn2(a, b, c, d, e, m, k, s) {
return (rotl((a + ((b & c) | (~b & d)) + m + k) | 0, s) + e) | 0;
}
/**
* @param {number} a
* @param {number} b
* @param {number} c
* @param {number} d
* @param {number} e
* @param {number} m
* @param {number} k
* @param {number} s
* @returns
*/
function fn3(a, b, c, d, e, m, k, s) {
return (rotl((a + ((b | ~c) ^ d) + m + k) | 0, s) + e) | 0;
}
/**
* @param {number} a
* @param {number} b
* @param {number} c
* @param {number} d
* @param {number} e
* @param {number} m
* @param {number} k
* @param {number} s
* @returns {number}
*/
function fn4(a, b, c, d, e, m, k, s) {
return (rotl((a + ((b & d) | (c & ~d)) + m + k) | 0, s) + e) | 0;
}
/**
* @param {number} a
* @param {number} b
* @param {number} c
* @param {number} d
* @param {number} e
* @param {number} m
* @param {number} k
* @param {number} s
* @returns {number}
*/
function fn5(a, b, c, d, e, m, k, s) {
return (rotl((a + (b ^ (c | ~d)) + m + k) | 0, s) + e) | 0;
}
})();
let dash58check = Base58Check.create();
//@ts-ignore
_DashKeys._dash58check = dash58check;
/** @type {AddressToPubKeyHash} */
_DashKeys.addrToPkh = async function (address, opts) {
/** @type {Base58CheckPubKeyHashParts} */
//@ts-ignore - address has pkh parts
let addrParts = await _DashKeys.decode(address, opts);
let shaRipeBytes = Utils.hexToBytes(addrParts.pubKeyHash);
return shaRipeBytes;
};
/** @type {DecodeBase58Check} */
_DashKeys.decode = async function (keyB58c, opts) {
/* jshint maxcomplexity:35 */
let _opts = {};
if (opts?.version) {
switch (opts.version) {
case XPRV:
/* fallsthrough */
case "xprv":
/* fallsthrough */
case 0x0488ade4:
/* fallsthrough */
case XPUB:
/* fallsthrough */
case "xpub":
/* fallsthrough */
case 0x0488b21e:
/* fallsthrough */
case DASH_PRIV_KEY:
/* fallsthrough */
case 0xcc:
/* fallsthrough */
case DASH_PKH: