@polkadot/util/is/riscv.js

A collection of useful utilities for @polkadot

import { u8aEq } from '../u8a/eq.js';
import { isU8a } from './u8a.js';
const ELF_MAGIC = new Uint8Array([0x7f, 0x45, 0x4c, 0x46]); // ELF magic bytes: 0x7f, 'E', 'L', 'F'
/**
 * @name isRiscV
 * @summary Tests if the input has a RISC-V header
 * @description
 * Checks to see if the input Uint8Array contains a valid RISC-V header
 */
export function isRiscV(bytes) {
    return isU8a(bytes) && u8aEq(bytes.subarray(0, 4), ELF_MAGIC);
}