bitcoinjs-lib/test/integration/utils.js

var https = require('https')

function faucetWithdraw(address, amount, done) {
  var url = "https://coconut-macaroon.herokuapp.com/withdrawal?address=" + address + "&amount=" + amount
  https.get(url, function(res) {
    res.statusCode == 200 ? done(null) : done(new Error("non-200 status: " + res.statusCode))
  }).on('error', done)
}

function pollUnspent(blockchain, address, done) {
  blockchain.addresses.unspents(address, function (err, unspents) {
    if (err) return done(err)

    if(unspents == null || unspents.length === 0) {
      return setTimeout(function() {
        pollUnspent(blockchain, address, done)
      }, 200)
    }

    done(null, unspents)
  })
}

function pollSummary(blockchain, address, done) {
  blockchain.addresses.summary(address, function (err, result) {
    if (err) return done(err)

    if(result.balance == 0) {
      return setTimeout(function() {
        pollSummary(blockchain, address, done)
      }, 200)
    }

    done(null, result)
  })
}

module.exports = {
  faucetWithdraw: faucetWithdraw,
  pollUnspent: pollUnspent,
  pollSummary: pollSummary
}