adam2k / ininvoice

Decode/Encode Lightning Network Invoice data (TypeScript / Node.js / JavaScript)

lninvoice

A tiny TypeScript (Node.js / JavaScript) library to decode or encode Lightning Network invoice string (starting from 'lnbc1...' for Bitcoin mainnet).

Installation

Run the following command to compile TypeScript code into JavaScript.

$ npm install
$ npm run build

Sample Code

Copy&paste the following code into test.js and run node test.js in your console.

const LNInvoice = require('./dist/src/LNInvoice');

//const privkey = 'e126f68f7eafcc8b74f54d269fe206be715000f94dac067d1c04a8ca3b2db734';
const pubkey = '03e7156ae33b0a208d0744199163177e909e80176e55d97a2f221ede0f934dd9ad';

const str = 'lnbc1pvjluezpp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqdpl2pkx2ctnv5sxxmmwwd5kgetjypeh2ursdae8g6twvus8g6rfwvs8qun0dfjkxaq8rkx3yf5tcsyz3d73gafnh3cax9rn449d9p5uxz9ezhhypd0elx87sjle52x86fux2ypatgddc6k63n7erqz25le42c4u4ecky03ylcqca784w';

const inv = LNInvoice.fromBech32(str);
console.log(inv);
console.log('Signature Validity:', LNInvoice.checkSignature(str, pubkey));