Coinpayments-IPN

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Module for verifing Coinpaymets Instant Payment notifications.

Installation

``bash
npm install coinpayments-ipn
`

Usage

`javascript
/**
*
* @param {String} hmac
* @param {String} ipnSecret
* @param {Object} payload
* @returns {Boolean}
* @throws {CoinpaymentsIPNError}
*/
const { verify } = require('coinpaments-ipn');
const CoinpaymentsIPNError = require('coinpaments-ipn/lib/error');

let IsValid, error;

try {
isValid = verify(hmac, ipnSecret, payload);
} catch (e) {
error = e;
}
if (error) {
if (error instanceof CoinpaymentsIPNError) {
// handle invalid payload
}
// make bug report
}

if (isValid) {
// valid
} else {
// invalid
}

``

$3

A simple docker image can be found here.