@hdwallet/core
Version:
A complete Hierarchical Deterministic (HD) Wallet generator for 200+ cryptocurrencies, built with TypeScript.
81 lines • 3.81 kB
JavaScript
;
// SPDX-License-Identifier: MIT
Object.defineProperty(exports, "__esModule", { value: true });
exports.StellarAddress = void 0;
const cryptocurrencies_1 = require("../cryptocurrencies");
const base32_1 = require("../libs/base32");
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 StellarAddress extends address_1.Address {
static checksumLength = cryptocurrencies_1.Stellar.PARAMS.CHECKSUM_LENGTH;
static addressType = cryptocurrencies_1.Stellar.DEFAULT_ADDRESS_TYPE;
static addressTypes = {
privateKey: cryptocurrencies_1.Stellar.PARAMS.ADDRESS_TYPES.PRIVATE_KEY,
publicKey: cryptocurrencies_1.Stellar.PARAMS.ADDRESS_TYPES.PUBLIC_KEY
};
static getName() {
return 'Stellar';
}
static computeChecksum(payload) {
return (0, utils_1.bytesReverse)((0, crypto_1.xmodemCrc)(payload));
}
static encode(publicKey, options = {
addressType: this.addressType
}) {
const addressTypeName = options.addressType ?? this.addressType;
if (!(addressTypeName in this.addressTypes)) {
throw new exceptions_1.AddressError('Invalid Stellar address type', {
expected: Object.keys(this.addressTypes), got: addressTypeName
});
}
const addressType = this.addressTypes[addressTypeName];
const pk = (0, eccs_1.validateAndGetPublicKey)(publicKey, eccs_1.SLIP10Ed25519PublicKey);
const payload = (0, utils_1.concatBytes)((0, utils_1.integerToBytes)(addressType), pk.getRawCompressed().subarray(1));
const checksum = this.computeChecksum(payload);
return (0, base32_1.encodeNoPadding)((0, utils_1.bytesToString)((0, utils_1.concatBytes)(payload, checksum)));
}
static decode(address, options = {
addressType: this.addressType
}) {
const addressTypeName = options.addressType ?? this.addressType;
if (!(addressTypeName in this.addressTypes)) {
throw new exceptions_1.AddressError('Invalid Stellar address type', {
expected: Object.keys(this.addressTypes), got: addressTypeName
});
}
const addressType = this.addressTypes[addressTypeName];
const decoded = (0, utils_1.getBytes)((0, base32_1.decode)(address));
const expectedLength = eccs_1.SLIP10Ed25519PublicKey.getCompressedLength() + this.checksumLength;
if (decoded.length !== expectedLength) {
throw new exceptions_1.AddressError('Invalid length', {
expected: expectedLength, got: decoded.length
});
}
const checksum = decoded.subarray(-this.checksumLength);
const payload = decoded.subarray(0, -this.checksumLength);
const addressTypeGot = payload[0];
if (addressTypeGot !== addressType) {
throw new exceptions_1.AddressError('Invalid address type', {
expected: addressType,
got: addressTypeGot
});
}
const checksumGot = this.computeChecksum(payload);
if (!(0, utils_1.equalBytes)(checksum, checksumGot)) {
throw new exceptions_1.AddressError('Invalid checksum', {
expected: (0, utils_1.bytesToString)(checksum),
got: (0, utils_1.bytesToString)(checksumGot)
});
}
const pubkey = payload.subarray(1);
if (!eccs_1.SLIP10Ed25519PublicKey.isValidBytes(pubkey)) {
throw new exceptions_1.AddressError('Invalid public key');
}
return (0, utils_1.bytesToString)(pubkey);
}
}
exports.StellarAddress = StellarAddress;
//# sourceMappingURL=stellar.js.map