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Текущая директория: /opt/BitGoJS/node_modules/@stacks/transactions/dist
Просмотр файла: utils.js
"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.validateTxId = exports.validateStacksAddress = exports.parseReadOnlyResponse = exports.hexToCV = exports.cvToHex = exports.fetchPrivate = exports.isClarityName = exports.hashP2SH = exports.hashP2PKH = exports.hash160 = exports.txidFromData = exports.sha512_256 = exports.omit = exports.cloneDeep = exports.exceedsMaxLengthBytes = exports.hexStringToInt = exports.intToHexString = exports.rightPadHexToLength = exports.leftPadHexToLength = exports.leftPadHex = exports.BufferArray = exports.randomBytes = void 0;
const common_1 = require("@stacks/common");
const sha_js_1 = require("sha.js");
const clarity_1 = require("./clarity");
const ripemd160_min_1 = __importDefault(require("ripemd160-min"));
const randombytes_1 = __importDefault(require("randombytes"));
exports.randomBytes = randombytes_1.default;
const clarity_2 = require("./clarity");
const cross_fetch_1 = __importDefault(require("cross-fetch"));
const c32check_1 = require("c32check");
const cloneDeep_1 = __importDefault(require("lodash/cloneDeep"));
const common_2 = require("@stacks/common");
class BufferArray {
constructor() {
this._value = [];
}
get value() {
return this._value;
}
appendHexString(hexString) {
this.value.push(common_1.Buffer.from(hexString, 'hex'));
}
push(buffer) {
return this._value.push(buffer);
}
appendByte(octet) {
if (!Number.isInteger(octet) || octet < 0 || octet > 255) {
throw new Error(`Value ${octet} is not a valid byte`);
}
this.value.push(common_1.Buffer.from([octet]));
}
concatBuffer() {
return common_1.Buffer.concat(this.value);
}
}
exports.BufferArray = BufferArray;
const leftPadHex = (hexString) => hexString.length % 2 == 0 ? hexString : `0${hexString}`;
exports.leftPadHex = leftPadHex;
const leftPadHexToLength = (hexString, length) => hexString.padStart(length, '0');
exports.leftPadHexToLength = leftPadHexToLength;
const rightPadHexToLength = (hexString, length) => hexString.padEnd(length, '0');
exports.rightPadHexToLength = rightPadHexToLength;
const intToHexString = (integer, lengthBytes = 8) => integer.toString(16).padStart(lengthBytes * 2, '0');
exports.intToHexString = intToHexString;
const hexStringToInt = (hexString) => parseInt(hexString, 16);
exports.hexStringToInt = hexStringToInt;
const exceedsMaxLengthBytes = (string, maxLengthBytes) => string ? common_1.Buffer.from(string).length > maxLengthBytes : false;
exports.exceedsMaxLengthBytes = exceedsMaxLengthBytes;
function cloneDeep(obj) {
return cloneDeep_1.default(obj);
}
exports.cloneDeep = cloneDeep;
function omit(obj, prop) {
const clone = cloneDeep(obj);
delete clone[prop];
return clone;
}
exports.omit = omit;
class sha512_256 extends sha_js_1.sha512 {
constructor() {
super();
Object.assign(this, {
_ah: 0x22312194,
_al: 0xfc2bf72c,
_bh: 0x9f555fa3,
_bl: 0xc84c64c2,
_ch: 0x2393b86b,
_cl: 0x6f53b151,
_dh: 0x96387719,
_dl: 0x5940eabd,
_eh: 0x96283ee2,
_el: 0xa88effe3,
_fh: 0xbe5e1e25,
_fl: 0x53863992,
_gh: 0x2b0199fc,
_gl: 0x2c85b8aa,
_hh: 0x0eb72ddc,
_hl: 0x81c52ca2,
});
}
digest(encoding) {
const buff = super.digest().slice(0, 32);
return encoding ? buff.toString(encoding) : buff;
}
}
exports.sha512_256 = sha512_256;
const txidFromData = (data) => new sha512_256().update(data).digest('hex');
exports.txidFromData = txidFromData;
const hash160 = (input) => {
const sha256Result = new sha_js_1.sha256().update(input).digest();
return common_1.Buffer.from(new ripemd160_min_1.default().update(sha256Result).digest());
};
exports.hash160 = hash160;
const hashP2PKH = (input) => {
return exports.hash160(input).toString('hex');
};
exports.hashP2PKH = hashP2PKH;
const hashP2SH = (numSigs, pubKeys) => {
if (numSigs > 15 || pubKeys.length > 15) {
throw Error('P2SH multisig address can only contain up to 15 public keys');
}
const bufferArray = new BufferArray();
bufferArray.appendByte(80 + numSigs);
pubKeys.forEach(pubKey => {
bufferArray.appendByte(pubKey.length);
bufferArray.push(pubKey);
});
bufferArray.appendByte(80 + pubKeys.length);
bufferArray.appendByte(174);
const redeemScript = bufferArray.concatBuffer();
const redeemScriptHash = exports.hash160(redeemScript);
return redeemScriptHash.toString('hex');
};
exports.hashP2SH = hashP2SH;
function isClarityName(name) {
const regex = /^[a-zA-Z]([a-zA-Z0-9]|[-_!?+<>=/*])*$|^[-+=/*]$|^[<>]=?$/;
return regex.test(name) && name.length < 128;
}
exports.isClarityName = isClarityName;
async function fetchPrivate(input, init) {
const defaultFetchOpts = {
referrer: 'no-referrer',
referrerPolicy: 'no-referrer',
};
const fetchOpts = Object.assign(defaultFetchOpts, init);
const fetchResult = await cross_fetch_1.default(input, fetchOpts);
return fetchResult;
}
exports.fetchPrivate = fetchPrivate;
function cvToHex(cv) {
const serialized = clarity_1.serializeCV(cv);
return `0x${serialized.toString('hex')}`;
}
exports.cvToHex = cvToHex;
function hexToCV(hex) {
return clarity_2.deserializeCV(hex);
}
exports.hexToCV = hexToCV;
const parseReadOnlyResponse = (response) => {
if (response.okay) {
return hexToCV(response.result);
}
else {
throw new Error(response.cause);
}
};
exports.parseReadOnlyResponse = parseReadOnlyResponse;
const validateStacksAddress = (stacksAddress) => {
try {
c32check_1.c32addressDecode(stacksAddress);
return true;
}
catch (e) {
return false;
}
};
exports.validateStacksAddress = validateStacksAddress;
const validateTxId = (txid) => {
if (txid === 'success')
return true;
const value = common_2.with0x(txid).toLowerCase();
if (value.length !== 66)
return false;
return common_2.with0x(BigInt(value).toString(16).padStart(64, '0')) === value;
};
exports.validateTxId = validateTxId;
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