@polkadot/types-codec/primitive/U256.js

Implementation of the SCALE codec

import { UInt } from '../base/UInt.js';
/**
 * @name u256
 * @description
 * A 256-bit unsigned integer
 */
export class u256 extends UInt.with(256) {
    // NOTE without this, we cannot properly determine extensions
    __UIntType = 'u256';
}