@gnolang/tm2-js-client
Version:
Tendermint2 JS / TS Client
118 lines (117 loc) • 5.69 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g = Object.create((typeof Iterator === "function" ? Iterator : Object).prototype);
return g.next = verb(0), g["throw"] = verb(1), g["return"] = verb(2), typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (g && (g = 0, op[0] && (_ = 0)), _) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
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if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.stringToUTF8 = exports.defaultAddressPrefix = exports.generateKeyPair = exports.generateEntropy = exports.generateHDPath = void 0;
exports.encodeCharacterSet = encodeCharacterSet;
var crypto_1 = require("@cosmjs/crypto");
var crypto_2 = __importDefault(require("crypto"));
/**
* Generates the HD path, for the specified index, in the form 'm/44'/118'/0'/0/i',
* where 'i' is the account index
* @param {number} [index=0] the account index
*/
var generateHDPath = function (index) {
return [
crypto_1.Slip10RawIndex.hardened(44),
crypto_1.Slip10RawIndex.hardened(118),
crypto_1.Slip10RawIndex.hardened(0),
crypto_1.Slip10RawIndex.normal(0),
crypto_1.Slip10RawIndex.normal(index ? index : 0),
];
};
exports.generateHDPath = generateHDPath;
/**
* Generates random entropy of the specified size (in B)
* @param {number} [size=32] the entropy size in bytes
*/
var generateEntropy = function (size) {
var array = new Uint8Array(size ? size : 32);
// Generate random data
crypto_2.default.randomFillSync(array);
return array;
};
exports.generateEntropy = generateEntropy;
/**
* Generates a new Secp256k1 key-pair using
* the provided English mnemonic and account index
* @param {string} mnemonic the English mnemonic
* @param {number} [accountIndex=0] the account index
*/
var generateKeyPair = function (mnemonic, accountIndex) { return __awaiter(void 0, void 0, void 0, function () {
var seed, privateKey, publicKey;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, crypto_1.Bip39.mnemonicToSeed(new crypto_1.EnglishMnemonic(mnemonic))];
case 1:
seed = _a.sent();
privateKey = crypto_1.Slip10.derivePath(crypto_1.Slip10Curve.Secp256k1, seed, (0, exports.generateHDPath)(accountIndex)).privkey;
return [4 /*yield*/, crypto_1.Secp256k1.makeKeypair(privateKey)];
case 2:
publicKey = (_a.sent()).pubkey;
return [2 /*return*/, {
publicKey: publicKey,
privateKey: privateKey,
}];
}
});
}); };
exports.generateKeyPair = generateKeyPair;
// Address prefix for TM2 networks
exports.defaultAddressPrefix = 'g';
/**
* Encodes a string into a Uint8Array
* @param {string} str the string to be encoded
*/
var stringToUTF8 = function (str) {
return new TextEncoder().encode(str);
};
exports.stringToUTF8 = stringToUTF8;
/**
* Escapes <,>,& in string.
* Golang's json marshaller escapes <,>,& by default.
* https://cs.opensource.google/go/go/+/refs/tags/go1.20.6:src/encoding/json/encode.go;l=46-53
*/
function encodeCharacterSet(data) {
return data
.replace(/</g, '\\u003c')
.replace(/>/g, '\\u003e')
.replace(/&/g, '\\u0026');
}