@hyperlane-xyz/utils/dist/ids.js

General utilities and types for the Hyperlane network

import { utils } from 'ethers';
/**
 * Converts a 20-byte (or other length) ID to a 32-byte ID.
 * Ensures that a bytes-like is 32 long. left-padding with 0s if not.
 *
 * @param data A string or array of bytes to canonize
 * @returns A Uint8Array of length 32
 */
export function canonizeId(data) {
    if (!data)
        throw new Error('Bad input. Undefined');
    const buf = utils.arrayify(data);
    if (buf.length > 32) {
        throw new Error('Too long');
    }
    if (buf.length !== 20 && buf.length != 32) {
        throw new Error('bad input, expect address or bytes32');
    }
    return utils.zeroPad(buf, 32);
}
/**
 * Converts a Hyperlane ID of 20 or 32 bytes to the corresponding EVM Address.
 *
 * For 32-byte IDs this enforces the EVM convention of using the LAST 20 bytes.
 *
 * @param data The data to truncate
 * @returns A 20-byte, 0x-prepended hex string representing the EVM Address
 * @throws if the data is not 20 or 32 bytes
 */
export function evmId(data) {
    const u8a = utils.arrayify(data);
    if (u8a.length === 32) {
        return utils.hexlify(u8a.slice(12, 32));
    }
    else if (u8a.length === 20) {
        return utils.hexlify(u8a);
    }
    else {
        throw new Error(`Invalid id length. expected 20 or 32. Got ${u8a.length}`);
    }
}
//# sourceMappingURL=ids.js.map