node-electrum-client

Electrum Protocol Client for Node.js

what is this

https://electrum.org/

electrum is bitcoin wallet service.
This is a library of Node.js that can communicate with the electrum(x) server.

install

npm i electrum-client

spec

• TCP / TLS
• JSON-RPC
• Subscribe Message
• High Performance Message
• no dependency for other library

protocol spec

• https://electrumx.readthedocs.io/en/latest/PROTOCOL.html

usage

const ElectrumCli = require('electrum-client')
const main = async () => {
    const ecl = new ElectrumCli(995, 'btc.smsys.me', 'tls') // tcp or tls
    await ecl.connect() // connect(promise)
    ecl.subscribe.on('blockchain.headers.subscribe', (v) => console.log(v)) // subscribe message(EventEmitter)
    try{
        const ver = await ecl.server_version("2.7.11", "1.0") // json-rpc(promise)
        console.log(ver)
    }catch(e){
        console.log(e)
    }
    await ecl.close() // disconnect(promise)
}
main()