Full node with extended capabilities using NPCcoincore and NPCcoin Core (npccoind)
Last updated 8 months ago by npccoin .
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NPCcoincore Node

A NPCcoin full node for building applications and services with Node.js. A node is extensible and can be configured to run additional services. At the minimum a node has an interface to NPCcoin Core (npccoind) v0.13.0 for more advanced address queries. Additional services can be enabled to make a node more useful such as exposing new APIs, running a block explorer and wallet service.


As a standalone server

git clone https://github.com/npccoin/npccoincore-node
cd npccoincore-node
npm install
./bin/npccoincore-node start

When running the start command, it will seek for a .npccoincore folder with a npccoincore-node.json conf file. If it doesn't exist, it will create it, with basic task to connect to npccoind.

Some plugins are available :

  • Insight-API : ./bin/npccoincore-node addservice @npccoin/insight-api-npccoin
  • Insight-UI : ./bin/npccoincore-node addservice @npccoin/insight-ui-npccoin

You also might want to add these index to your npccoin.conf file :


As a library

npm install @npccoin/npccoincore-node
const npccoincore = require('@npccoin/npccoincore-node');
const config = require('./npccoincore-node.json');

let node = npccoincore.scaffold.start({ path: "", config: config });
node.on('ready', function() {
    //NPCcoin core started
    npccoind.on('tx', function(txData) {
        let tx = new npccoincore.lib.Transaction(txData);


  • NPCcoin Core (npccoind) (v0.13.0) with support for additional indexing (see above)
  • Node.js v8+
  • ZeroMQ (libzmq3-dev for Ubuntu/Debian or zeromq on OSX)
  • ~20GB of disk storage
  • ~1GB of RAM


NPCcoincore includes a Command Line Interface (CLI) for managing, configuring and interfacing with your NPCcoincore Node.

npccoincore-node create -d <npccoin-data-dir> mynode
cd mynode
npccoincore-node install <service>
npccoincore-node install https://github.com/yourname/helloworld
npccoincore-node start

This will create a directory with configuration files for your node and install the necessary dependencies.

Please note that NPCcoin Core needs to be installed first.

For more information about (and developing) services, please see the Service Documentation.

Add-on Services

There are several add-on services available to extend the functionality of Bitcore:


  • Upgrade Notes
  • Services
    • NPCcoind - Interface to NPCcoin Core
    • Web - Creates an express application over which services can expose their web/API content
  • Development Environment - Guide for setting up a development environment
  • Node - Details on the node constructor
  • Bus - Overview of the event bus constructor
  • Release Process - Information about verifying a release and the release process.

Setting up dev environment (with Insight)

Prerequisite : Having a npccoind node already runing npccoind --daemon.

NPCcoincore-node : git clone https://github.com/npccoin/npccoincore-node -b develop Insight-api (optional) : git clone https://github.com/npccoin/insight-api-npccoin -b develop Insight-UI (optional) : git clone https://github.com/npccoin/insight-ui-npccoin -b develop

Install them :

cd npccoincore-node && npm install \
 && cd ../insight-ui-npccoin && npm install \
 && cd ../insight-api-npccoin && npm install && cd ..

Symbolic linking in parent folder :

npm link ../insight-api-npccoin
npm link ../insight-ui-npccoin

Start with ./bin/npccoincore-node start to first generate a ~/.npccoincore/npccoincore-node.json file. Append this file with "@npccoin/insight-ui-npccoin" and "@npccoin/insight-api-npccoin" in the services array.


Please send pull requests for bug fixes, code optimization, and ideas for improvement. For more information on how to contribute, please refer to our CONTRIBUTING file.


Code released under the MIT license.

Copyright 2016-2018 NPCcoin Core Group, Inc.

  • bitcoin: Copyright (c) 2009-2015 Bitcoin Core Developers (MIT License)

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