50 lines
1.6 KiB
JavaScript
50 lines
1.6 KiB
JavaScript
const assert = require('assert')
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const Kraken = require('kraken-api')
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const {
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KRAKEN_API_KEY: key,
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KRAKEN_API_SECRET: secret,
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KRAKEN_API_FIAT: fiat,
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KRAKEN_BUY_AMOUNT: amount
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} = process.env
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assert(key && secret, 'Provide the KRAKEN_API_KEY and KRAKEN_API_SECRET environment variables.')
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assert(fiat && amount, 'Provide the KRAKEN_API_FIAT and KRAKEN_BUY_AMOUNT environment variables.')
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// https://www.kraken.com/features/api
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const kraken = new Kraken(key, secret)
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const crypto = 'XBT'
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const pair = `X${crypto}Z${fiat}`
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const validate = process.argv[2] === '--validate'
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;(async () => {
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// Fetch and display information
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const { result: { [`Z${fiat}`]: fiatBalance, [`X${crypto}`]: cryptoBalance } } = await kraken.api('Balance')
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const { result: { [pair]: { a: [a], b: [b] } } } = await kraken.api('Ticker', { pair })
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const ask = parseFloat(a)
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const bid = parseFloat(b)
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const price = bid
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// Calculate volume and adjust precision
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const volume = (amount / price).toFixed(8)
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console.log('💰 Balance:', fiatBalance, fiat, '/', cryptoBalance, crypto, '\n')
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console.log('📈 Ask:', ask, fiat)
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console.log('📉 Bid:', bid, fiat, '\n')
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// Place order
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try {
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const details = { pair, type: 'buy', ordertype: 'limit', price, volume }
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if (validate) details.validate = true
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const { result: { descr: { order }, txid } } = await kraken.api('AddOrder', details)
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console.log('💸 Order:', order)
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if (txid) console.log('📎 Transaction ID:', txid.join(', '))
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if (validate) console.log('\n🚨 THIS WAS JUST A VALIDATION RUN, NO ORDER HAS BEEN PLACED!')
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} catch (err) {
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console.log(`\n🚨 Failure:`, err.message)
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}
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})()
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