@btc-vision/transaction/build/transaction/mineable/TimelockGenerator.js

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

import bitcoin, { networks, opcodes, script } from '@btc-vision/bitcoin';
export class TimeLockGenerator {
    static generateTimeLockAddress(publicKey, network = networks.bitcoin, csvBlocks = TimeLockGenerator.CSV_BLOCKS) {
        const witnessScript = script.compile([
            script.number.encode(csvBlocks),
            opcodes.OP_CHECKSEQUENCEVERIFY,
            opcodes.OP_DROP,
            publicKey,
            opcodes.OP_CHECKSIG,
        ]);
        const p2wsh = bitcoin.payments.p2wsh({
            redeem: { output: witnessScript },
            network,
        });
        if (!p2wsh.address) {
            throw new Error('Failed to generate P2WSH address');
        }
        return {
            address: p2wsh.address,
            witnessScript: witnessScript,
        };
    }
}
TimeLockGenerator.CSV_BLOCKS = 75;