WalletScrutinyCom/refreshDonations.js at master · Cypherock/WalletScrutinyCom · GitHub

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process.env.TZ = 'UTC' // fix timezone issues
const btcpay = require('btcpay')
const fs = require('fs')

const key = process.argv[2]
if (key === undefined) {
  console.error('No key provided. Skipping Donations update.')
  exit(1)
}

const keypair = btcpay.crypto.load_keypair(Buffer.from(key, 'hex'))
const client = new btcpay.BTCPayClient('https://pos.btcpay.nz', keypair, { merchant: 'EHan8qV5JseDSNWtTJeaNFeG3xes9CDSq3bMfmwehcJE' })
const path = '_includes/donationSummary.html'
const file = fs.createWriteStream(path)
const sum = {
  Any: 0,
  MoreWallets: 0,
  FrequentUpdates: 0,
  AdCampaign: 0,
  MoreOS: 0,
  CodeReviews: 0,
  NonBitcoinWallets: 0,
  Alerts: 0,
  NonWalletApps: 0
}

client.get_invoices({ status: 'complete' }).then(invoices => {
  const historyCount = 20
  file.write(`<h3>${historyCount} most recent donations</h3>
<table>
<tr><th>Date</th><th>Amount</th><th>Category</th></tr>
`)
  invoices.slice(0, historyCount).forEach(invoice => {
    const date = new Date(invoice.invoiceTime)
    file.write(`<tr><td><span title='${date.toLocaleDateString()}' class='calculate-time-elapsed' data='${date.valueOf() / 1000}'>${date.toLocaleDateString()}</span></td><td>${getPrettyAmount(getAmount(invoice))}</td><td>${getCategory(invoice.itemDesc)}</td></tr>\n`)
  })
  file.write('<tr><td>...</td><td>...</td><td>...</td></tr>\n</table>\n')
  invoices.forEach(invoice => {
    addToCategory(sum, invoice.itemDesc, getAmount(invoice))
  })
  file.write(`<h3>All donations by category</h3>
<table><tr><th>Category</th><th>Sum</th></tr>
`)
  var total = 0
  const items = Object.keys(sum).map(key => {
    return [key, sum[key]]
  })
  items.sort((a, b) => { return b[1] - a[1] })
  for (var i in items) {
    var item = items[i]
    var s = item[1]
    if (s > 0) {
      var cat = item[0]
      total += s
      file.write(`<tr><td>${cat}</td><td>${getPrettyAmount(s)}</td></tr>\n`)
    }
  }
  file.write(`<tr><th>Total</th><th>${getPrettyAmount(total)}</th></tr>
</table>`)
}).catch(console.error)

function addToCategory (sum, itemDesc, btc) {
  sum[getCategory(itemDesc)] += btc
}

function getCategory (itemDesc) {
  var cat = 'Any'
  if (itemDesc !== undefined && itemDesc.indexOf(' - ') > 0) {
    const parts = itemDesc.split(' - ')
    cat = parts[parts.length - 1]
    if (sum[cat] === undefined) {
      cat = 'Any'
    }
  }
  return cat
}

function getAmount (invoice) {
  var btc = 0
  invoice.cryptoInfo.forEach(ci => {
    btc += Number(ci.cryptoPaid)
  })
  return btc
}

function getPrettyAmount (amount) {
  var multiplier, symbol
  amount = Number(amount.toPrecision(2))
  if (amount > 1) {
    multiplier = 1
    symbol = 'BTC'
  } else if (amount > 0.001) {
    multiplier = 1_000
    symbol = 'mBTC'
  } else if (amount > 0.000_001) {
    multiplier = 1_000_000
    symbol = 'µBTC'
  } else {
    multiplier = 100_000_000
    symbol = 'sat'
  }
  return `~${parseFloat((amount * multiplier).toFixed(1))}${symbol}`
}