bitcoincore-node

A comprehensive Node.js package for interacting with Bitcoin Core via RPC. Easily create, sign, and broadcast Bitcoin transactions, manage wallets, and access blockchain data through a simple and easy-to-use API interface. Perfect for developers building cryptocurrency applications, wallets, or integrating Bitcoin functionality into their services.

Features

• Create Bitcoin transactions: Create, sign, and broadcast transactions directly from your Node.js application.
• Wallet management: Manage Bitcoin wallets, import/export private keys, and perform backup and encryption operations.
• Blockchain data: Access various blockchain data including block hashes, block headers, and transaction details.
• Bitcoin Core RPC: Interact with Bitcoin Core via JSON-RPC, supporting a wide range of commands.

Installation

To install the package, use npm:

npm install bitcoincore-node

Usage

To use the package, require the module and create a new instance of the BitcoinCore class.

Follow official Bitcoin Core documentation for more details on available commands.

Import Library

const BitcoinCore = require('bitcoincore-node');

ES6

import { BitcoinCore } from 'bitcoincore-node';

Example

// Create a new instance of BitcoinCore
const client = new BitcoinCore({
    network: 'test'
    host: '127.0.0.1',
    port: 18332,
    username: 'rpcusername',
    password: 'rpcpassword',
});

All RPC methods are available as promises in camelCase

BlockchainRPC

const blockHash = await client.BlockchainRPC.getBestBlockhash();

ControlRPC

const info = await client.ControlRPC.getMemoryInfo();

GeneratingRPC

const info = await client.GeneratingRPC.generateBlock(...);

MiningRPC

const info = await client.MiningRPC.getBlockTemplate();

NetworkRPC

const info = await client.NetworkRPC.getNetworkInfo();

RawTransactionRPC

const info = await client.RawTransactionRPC.getRawTransaction(...);

UtilRPC

const info = await client.UtilRPC.getIndexInfo(...);

WalletRPC

const info = await client.WalletRPC.getBalance(...);

Sample

Run bitcoin core

Download and install bitcoincore in your machine

Follow official Bitcoin Core documentation for more details instruction.

Create wallet

return await client.WalletRPC.createWallet('your_wallet_name');

Get wallet information

return await client.WalletRPC.getWalletInfo({
    wallet: 'your_wallet_name',
});

Wallet balance

return await client.WalletRPC.getBalance({
    wallet: 'your_wallet_name',
});

Create address

return await client.WalletRPC.getNewAddress({
    wallet: 'your_wallet_name',
});

Respose

tb1q30lhx0e00xql5gmwn59yvu3umf7s03p8tp4gdh

Get address info

return await client.WalletRPC.getAddressInfo(
    'tb1q30lhx0e00xql5gmwn59yvu3umf7s03p8tp4gdh'
);

Take payment

Send test bitcoin to the address. You can send test bitcoin using various testnet faucet for free. Then you can check your wallet balance to confirm that the payment has been received.

Monitor payment

return await client.WalletRPC.getReceivedByAddress(
    {
        wallet: 'your_wallet_name',
    },
    'tb1q30lhx0e00xql5gmwn59yvu3umf7s03p8tp4gdh'
);

License

This package is released under the MIT License.

Author

Md Shafkat Hussain Tanvir