86 lines
3 KiB
JavaScript
86 lines
3 KiB
JavaScript
const _ = require('lodash/fp')
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const db = require('./db')
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const BN = require('./bn')
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const CashInTx = require('./cash-in/cash-in-tx')
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const CashOutTx = require('./cash-out/cash-out-tx')
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const T = require('./time')
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// FP operations on Postgres result in very big errors.
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// E.g.: 1853.013808 * 1000 = 1866149.494
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const REDEEMABLE_AGE = T.day / 1000
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const MAX_THRESHOLD_DAYS = 365 * 50 // 50 years maximum
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function process(tx, pi) {
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const mtx = massage(tx)
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if (mtx.direction === 'cashIn') return CashInTx.post(mtx, pi)
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if (mtx.direction === 'cashOut') return CashOutTx.post(mtx, pi)
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return Promise.reject(new Error('No such tx direction: ' + mtx.direction))
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}
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function post(tx, pi) {
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return process(tx, pi).then(_.set('dirty', false))
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}
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function massage(tx) {
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const isDateField = r => r === 'created' || _.endsWith('_time', r)
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const transformDate = (v, k) => (isDateField(k) ? new Date(v) : v)
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const mapValuesWithKey = _.mapValues.convert({ cap: false })
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const transformDates = r => mapValuesWithKey(transformDate, r)
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const mapBN = r => {
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const update =
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r.direction === 'cashIn'
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? {
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cryptoAtoms: new BN(r.cryptoAtoms),
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fiat: new BN(r.fiat),
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cashInFee: new BN(r.cashInFee),
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commissionPercentage: new BN(r.commissionPercentage),
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rawTickerPrice: r.rawTickerPrice ? new BN(r.rawTickerPrice) : null,
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minimumTx: new BN(r.minimumTx),
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}
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: {
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cryptoAtoms: new BN(r.cryptoAtoms),
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fiat: new BN(r.fiat),
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fixedFee: r.cashOutFee ? new BN(r.cashOutFee) : null,
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rawTickerPrice: r.rawTickerPrice ? new BN(r.rawTickerPrice) : null,
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commissionPercentage: new BN(r.commissionPercentage),
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}
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return _.assign(r, update)
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}
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const mapper = _.flow(
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transformDates,
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mapBN,
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_.unset('dirty'),
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_.unset('cashOutFee'),
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)
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return mapper(tx)
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}
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function customerHistory(customerId, thresholdDays) {
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const sql = `SELECT ch.id, ch.created, ch.fiat, ch.direction FROM (
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SELECT txIn.id, txIn.created, txIn.fiat, 'cashIn' AS direction,
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((NOT txIn.send_confirmed) AND (txIn.created <= now() - interval $3)) AS expired
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FROM cash_in_txs txIn
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WHERE txIn.customer_id = $1
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AND txIn.created > now() - interval $2
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AND fiat > 0
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UNION
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SELECT txOut.id, txOut.created, txOut.fiat, 'cashOut' AS direction,
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(NOT txOut.dispense AND extract(epoch FROM (now() - greatest(txOut.created, txOut.confirmed_at))) >= $4) AS expired
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FROM cash_out_txs txOut
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WHERE txOut.customer_id = $1
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AND txOut.created > now() - interval $2
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AND (error_code IS NULL OR error_code NOT IN ('operatorCancel', 'scoreThresholdReached', 'walletScoringError'))
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AND fiat > 0
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) ch WHERE NOT ch.expired ORDER BY ch.created`
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const days = _.isNil(thresholdDays)
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? 0
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: Math.min(thresholdDays, MAX_THRESHOLD_DAYS)
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return db.any(sql, [customerId, `${days} days`, '60 minutes', REDEEMABLE_AGE])
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}
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module.exports = { post, customerHistory }
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