@roochnetwork/sdk
Version:
17 lines (12 loc) • 488 B
text/typescript
// Copyright (c) RoochNetwork
// SPDX-License-Identifier: Apache-2.0
import { BcsSerializer } from '../../generated/runtime/bcs/mod'
const BIG_128Fs = BigInt('0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF')
const BIG_128 = BigInt(128)
export function serializeU256(se: BcsSerializer, value: bigint | number) {
const low = BigInt(value.toString()) & BIG_128Fs
const high = BigInt(value.toString()) >> BIG_128
// write little endian number
se.serializeU128(low)
se.serializeU128(high)
}