@hdwallet/core
Version:
A complete Hierarchical Deterministic (HD) Wallet generator for 200+ cryptocurrencies, built with TypeScript.
64 lines • 2.96 kB
JavaScript
;
// SPDX-License-Identifier: MIT
Object.defineProperty(exports, "__esModule", { value: true });
exports.EOSAddress = void 0;
const base58_1 = require("../libs/base58");
const eccs_1 = require("../eccs");
const cryptocurrencies_1 = require("../cryptocurrencies");
const crypto_1 = require("../crypto");
const utils_1 = require("../utils");
const address_1 = require("./address");
const exceptions_1 = require("../exceptions");
class EOSAddress extends address_1.Address {
static addressPrefix = cryptocurrencies_1.EOS.PARAMS.ADDRESS_PREFIX;
static checksumLength = cryptocurrencies_1.EOS.PARAMS.CHECKSUM_LENGTH;
static getName() {
return 'EOS';
}
static computeChecksum(pubKeyBytes) {
return (0, crypto_1.ripemd160)(pubKeyBytes).slice(0, this.checksumLength);
}
static encode(publicKey, options = {
addressPrefix: this.addressPrefix
}) {
const pk = (0, eccs_1.validateAndGetPublicKey)(publicKey, eccs_1.SLIP10Secp256k1PublicKey);
const raw = (0, utils_1.getBytes)(pk.getRawCompressed());
const checksum = this.computeChecksum(raw);
const prefix = options.addressPrefix ?? this.addressPrefix;
return prefix + (0, utils_1.ensureString)((0, base58_1.encode)((0, utils_1.concatBytes)(raw, checksum)));
}
static decode(address, options = {
addressPrefix: this.addressPrefix
}) {
const prefix = options.addressPrefix ?? this.addressPrefix;
if (!address.startsWith(prefix)) {
throw new exceptions_1.AddressError('Invalid prefix', {
expected: prefix, got: address.slice(0, prefix.length)
});
}
const withoutPrefix = address.slice(prefix.length);
const decoded = (0, base58_1.decode)(withoutPrefix);
const expectedLength = eccs_1.SLIP10Secp256k1PublicKey.getCompressedLength() + this.checksumLength;
if (decoded.length !== expectedLength) {
throw new exceptions_1.AddressError('Invalid length', {
expected: expectedLength, got: decoded.length
});
}
const publicKeyBytes = decoded.slice(0, -this.checksumLength);
const checksum = decoded.slice(-this.checksumLength);
const computedChecksum = this.computeChecksum(publicKeyBytes);
if (!(0, utils_1.equalBytes)(checksum, computedChecksum)) {
throw new exceptions_1.AddressError('Invalid checksum', {
expected: (0, utils_1.bytesToHex)(computedChecksum), got: (0, utils_1.bytesToHex)(checksum)
});
}
if (!eccs_1.SLIP10Secp256k1PublicKey.isValidBytes(publicKeyBytes)) {
throw new exceptions_1.AddressError('Invalid public key bytes', {
got: (0, utils_1.bytesToHex)(publicKeyBytes)
});
}
return (0, utils_1.bytesToString)(publicKeyBytes);
}
}
exports.EOSAddress = EOSAddress;
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