@hdwallet/core/lib.esm/addresses/aptos.js

A complete Hierarchical Deterministic (HD) Wallet generator for 200+ cryptocurrencies, built with TypeScript.

// SPDX-License-Identifier: MIT
import { Aptos } from '../cryptocurrencies';
import { sha3_256 } from '../crypto';
import { SLIP10Ed25519PublicKey, validateAndGetPublicKey } from '../eccs';
import { bytesToString, integerToBytes } from '../utils';
import { AddressError } from '../exceptions';
import { Address } from './address';
export class AptosAddress extends Address {
    static suffix = integerToBytes(Aptos.PARAMS.SUFFIX);
    static addressPrefix = Aptos.PARAMS.ADDRESS_PREFIX;
    static getName() {
        return 'Aptos';
    }
    static encode(publicKey) {
        const pk = validateAndGetPublicKey(publicKey, SLIP10Ed25519PublicKey);
        const raw = pk.getRawCompressed().subarray(1);
        const payload = new Uint8Array([...raw, ...this.suffix]);
        const hash = sha3_256(payload);
        return this.addressPrefix + bytesToString(hash).replace(/^0+/, '');
    }
    static decode(address) {
        const prefix = address.slice(0, this.addressPrefix.length);
        if (prefix !== this.addressPrefix) {
            throw new AddressError('Invalid address prefix', {
                expected: this.addressPrefix, got: prefix
            });
        }
        const body = address.slice(this.addressPrefix.length).padStart(64, '0');
        if (body.length !== 64) {
            throw new AddressError('Invalid address length', {
                expected: 64, got: body.length
            });
        }
        return body;
    }
}
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