bitcoin-node-run.js

const mine = async () : Promise<void> => {
    await loop(async () => {
        const transactions = mempool.slice(0, BLOCK_SIZE_LIMIT);
        const hashedBlock = await blockchain.createBlock(await keypair.publicKey, transactions);

        if (hashedBlock) {
            await network.broadcast('ADD_BLOCK', hashedBlock);
        }
    });
};