a9694ac1dd
* Withdrawal script. Added a script that lets you withdraw through Kraken API if the charged fees are under a certain level * refactored code and added validation functionality * Enhanced README to reflect the option to also withdraw in an automated manner * fixed typo
48 lines
1.9 KiB
JavaScript
48 lines
1.9 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_MAX_REL_FEE: max_fee,
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KRAKEN_WITHDRAW_KEY: wdr_key
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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(max_fee && wdr_key, 'Provide the KRAKEN_MAX_REL_FEE and KRAKEN_WITHDRAW_KEY 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 validate = process.argv[2] === '--validate'
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;(async () => {
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// Get withdrawal information
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// URL: https://api.kraken.com/0/private/WithdrawInfo
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const withdrawdetails = { asset: crypto, key: wdr_key, amount: 0 }
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try {
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const { result: { method, limit, fee } } = await kraken.api('WithdrawInfo', withdrawdetails);
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const rel_fee = 1/parseFloat(limit)*parseFloat(fee)
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console.log(`💡 Relative fee of withdrawal amount: ${(rel_fee*100).toFixed(2)}%`)
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// Place withdrawal when fee is low enough (relatively)
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if (rel_fee < max_fee/100) {
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console.log(`⏏️ Withdraw ${limit} ${crypto} now.`)
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const withdraw = { asset: crypto, key: wdr_key, amount: limit }
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if (!validate) {
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try {
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const { result: { refid } } = await kraken.api('Withdraw', withdraw)
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if (refid) console.log(`📎 Withdrawal reference ID: ${refid}`)
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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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}else{
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console.log(`\n❌ Don\'t withdraw now. Fee is too high. Max rel. fee: ${parseFloat(max_fee).toFixed(2)}%`);
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}
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} catch (err) {
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console.log(`\n🚨 Failure:`, err.message)
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}
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if (validate) console.log('\n🚨 THIS WAS JUST A VALIDATION RUN, NO WITHDRAWAL HAS BEEN PLACED!')
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})()
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