@hdwallet/core
Version:
A complete Hierarchical Deterministic (HD) Wallet generator for 200+ cryptocurrencies, built with TypeScript.
50 lines • 2.61 kB
JavaScript
;
// SPDX-License-Identifier: MIT
Object.defineProperty(exports, "__esModule", { value: true });
exports.NeoAddress = void 0;
const cryptocurrencies_1 = require("../cryptocurrencies");
const base58_1 = require("../libs/base58");
const crypto_1 = require("../crypto");
const eccs_1 = require("../eccs");
const utils_1 = require("../utils");
const exceptions_1 = require("../exceptions");
const address_1 = require("./address");
class NeoAddress extends address_1.Address {
static addressPrefix = (0, utils_1.integerToBytes)(cryptocurrencies_1.Neo.PARAMS.ADDRESS_PREFIX);
static addressSuffix = (0, utils_1.integerToBytes)(cryptocurrencies_1.Neo.PARAMS.ADDRESS_SUFFIX);
static addressVersion = (0, utils_1.integerToBytes)(cryptocurrencies_1.Neo.PARAMS.ADDRESS_VERSION);
static alphabet = cryptocurrencies_1.Neo.PARAMS.ALPHABET;
static getName() {
return 'Neo';
}
static encode(publicKey, options = {
addressVersion: this.addressVersion, alphabet: this.alphabet
}) {
const pk = (0, eccs_1.validateAndGetPublicKey)(publicKey, eccs_1.SLIP10Nist256p1PublicKey);
const payload = (0, utils_1.concatBytes)(this.addressPrefix, pk.getRawCompressed(), this.addressSuffix);
const hashed = (0, crypto_1.hash160)(payload);
const version = (0, utils_1.getBytes)(options.addressVersion ?? this.addressVersion);
return (0, utils_1.ensureString)((0, base58_1.checkEncode)((0, utils_1.getBytes)((0, utils_1.concatBytes)(version, hashed)), options.alphabet ?? this.alphabet));
}
static decode(address, options = {
addressVersion: this.addressVersion, alphabet: this.alphabet
}) {
const decoded = (0, base58_1.checkDecode)(address, options.alphabet ?? this.alphabet);
const version = (0, utils_1.getBytes)(options.addressVersion ?? this.addressVersion);
const expectedLength = 20 + version.length;
if (decoded.length !== expectedLength) {
throw new exceptions_1.AddressError('Invalid length', {
expected: expectedLength, got: decoded.length
});
}
const versionGot = decoded.subarray(0, version.length);
if (!(0, utils_1.equalBytes)(version, versionGot)) {
throw new exceptions_1.AddressError('Invalid address version', {
expected: (0, utils_1.bytesToString)(version), got: (0, utils_1.bytesToString)(versionGot)
});
}
return (0, utils_1.bytesToString)(decoded.subarray(version.length));
}
}
exports.NeoAddress = NeoAddress;
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