@hdwallet/core
Version:
A complete Hierarchical Deterministic (HD) Wallet generator for 200+ cryptocurrencies, built with TypeScript.
80 lines • 3.27 kB
JavaScript
;
// SPDX-License-Identifier: MIT
Object.defineProperty(exports, "__esModule", { value: true });
exports.AvalancheAddress = void 0;
const cosmos_1 = require("./cosmos");
const cryptocurrencies_1 = require("../cryptocurrencies");
const address_1 = require("./address");
const exceptions_1 = require("../exceptions");
/**
* Class representing Avalanche blockchain addresses.
* Extends the abstract Address class and provides Avalanche-specific encoding and decoding.
*/
class AvalancheAddress extends address_1.Address {
static hrp = cryptocurrencies_1.Avalanche.NETWORKS.MAINNET.HRP;
static addressType = cryptocurrencies_1.Avalanche.DEFAULT_ADDRESS_TYPE;
static addressTypes = {
'p-chain': cryptocurrencies_1.Avalanche.PARAMS.ADDRESS_TYPES.P_CHAIN,
'x-chain': cryptocurrencies_1.Avalanche.PARAMS.ADDRESS_TYPES.X_CHAIN
};
/**
* Returns the name of the address implementation.
*
* @returns {string} 'Avalanche'
*/
static getName() {
return 'Avalanche';
}
/**
* Encodes a public key into an Avalanche address.
*
* @param publicKey The public key to encode (Uint8Array, string, or PublicKey object)
* @param options Optional parameters including hrp and addressType
* @throws {AddressError} If the addressType is invalid
* @returns {string} Encoded Avalanche address
*/
static encode(publicKey, options = {
hrp: this.hrp, addressType: this.addressType
}) {
const typeKey = options.addressType ?? this.addressType;
const addressType = AvalancheAddress.addressTypes[typeKey];
if (!addressType) {
throw new exceptions_1.AddressError('Invalid Avalanche address type', {
expected: Object.keys(AvalancheAddress.addressTypes), got: typeKey
});
}
const base = cosmos_1.CosmosAddress.encode(publicKey, {
hrp: options.hrp ?? this.hrp
});
return addressType + base;
}
/**
* Decodes an Avalanche address back into its raw public key.
*
* @param address The Avalanche address string to decode
* @param options Optional parameters including addressType and hrp
* @throws {AddressError} If the prefix or addressType is invalid
* @returns {string} Decoded raw public key string
*/
static decode(address, options = {
addressType: this.addressType
}) {
const typeKey = options.addressType ?? this.addressType;
const addressType = AvalancheAddress.addressTypes[typeKey];
if (!addressType) {
throw new exceptions_1.AddressError('Invalid Avalanche address type', {
expected: Object.keys(AvalancheAddress.addressTypes), got: typeKey
});
}
const prefix = address.slice(0, addressType.length);
if (prefix !== addressType) {
throw new exceptions_1.AddressError('Invalid prefix', {
expected: addressType, got: prefix
});
}
const rest = address.slice(addressType.length);
return cosmos_1.CosmosAddress.decode(rest, { hrp: options.hrp ?? this.hrp });
}
}
exports.AvalancheAddress = AvalancheAddress;
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