Full node with extended capabilities using Alarmxcore and Alarmx Core (alarmxd)
Last updated 2 years ago by alarmxcore .
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Alarmxcore Node

A Alarmx 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 Alarmx Core (alarmxd) v0.12.1.x 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
cd alarmxcore-node
./bin/alarmxcore-node start

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

Some plugins are available :

  • Insight-API : `./bin/alarmxcore-node addservice insight-api
  • Insight-UI : ./bin/alarmxcore-node addservice insight-ui

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


As a library

npm install alarmxcore-node
const alarmxcore = require('alarmxcore-node');
const config = require('./alarmxcore-node.json');

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


  • Alarmx Core (alarmxd) (v0.12.1.x) with support for additional indexing (see above)
  • Node.js v0.10, v0.12, v4 or v5
  • ZeroMQ (libzmq3-dev for Ubuntu/Debian or zeromq on OSX)
  • ~20GB of disk storage
  • ~1GB of RAM


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

alarmxcore-node create -d <alarmx-data-dir> mynode
cd mynode
alarmxcore-node install <service>
alarmxcore-node install
alarmxcore-node start

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

Please note that Alarmx 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
    • Alarmxd - Interface to Alarmx 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 alarmxd node already runing alarmxd --daemon.

Alarmxcore-node : git clone -b develop Insight-api (optional) : git clone -b develop Insight-UI (optional) : git clone -b develop

Install them :

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

Symbolic linking in parent folder :

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

Start with ./bin/alarmxcore-node start to first generate a ~/.alarmxcore/alarmxcore-node.json file. Append this file with "insight-ui" and "insight-api" 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 2013-2015 BitPay, Inc.

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

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