@btc-vision/transaction/build/utils/BitcoinUtils.js

OPNet transaction library allows you to create and sign transactions for the OPNet network.

import { createHash } from 'crypto';
const hexPattern = /^[0-9a-fA-F]+$/;
export class BitcoinUtils {
    static btcToSatoshi(btc) {
        return BigInt(btc * 100000000);
    }
    static rndBytes() {
        const buf = BitcoinUtils.getSafeRandomValues(64);
        return Buffer.from(buf);
    }
    static getSafeRandomValues(length) {
        if (typeof globalThis.window !== 'undefined' &&
            globalThis.window.crypto &&
            typeof globalThis.window.crypto.getRandomValues === 'function') {
            const array = new Uint8Array(length);
            window.crypto.getRandomValues(array);
            return Buffer.from(array);
        }
        else if (globalThis.crypto && typeof globalThis.crypto.getRandomValues === 'function') {
            const array = new Uint8Array(length);
            globalThis.crypto.getRandomValues(array);
            return Buffer.from(array);
        }
        else {
            console.log(`No secure random number generator available. Please upgrade your environment.`, globalThis.window.crypto, globalThis.crypto);
            throw new Error('No secure random number generator available. Please upgrade your environment.');
        }
    }
    static isValidHex(hex) {
        return hexPattern.test(hex);
    }
    static opnetHash(data) {
        const hashed = createHash('sha512');
        hashed.update(data);
        const hash = hashed.digest();
        return `0x${Buffer.from(hash).toString('hex')}`;
    }
}