lamassu/lamassu-server
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

fix: correctly calculate fiat profit

Browse source
This commit is contained in:
André Sá 2022-01-21 16:00:03 +00:00
parent 412f3ac2b5
commit c07ee43b85
1 changed files with 15 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

23
lib/new-admin/services/transactions.js
View file

@ -124,21 +124,28 @@ function simplifiedBatch (data) {
...it, ...it,
status: getStatus(it), status: getStatus(it),
fiatProfit: getProfit(it).toString(), fiatProfit: getProfit(it).toString(),
cryptoAmount: getCryptoAmount(it) cryptoAmount: getCryptoAmount(it).toString()
})) }))
return _.compose(_.map(_.pick(fields)), addSimplifiedFields)(data) return _.compose(_.map(_.pick(fields)), addSimplifiedFields)(data)
} }
const getCryptoAmount = it => coinUtils.toUnit(BN(it.cryptoAtoms), it.cryptoCode).toString() const getCryptoAmount = it => coinUtils.toUnit(BN(it.cryptoAtoms), it.cryptoCode)
const getProfit = it => { const getProfit = it => {
const discountValue = _.isNil(it.discount) ? BN(100) : BN(100).minus(it.discount) /* fiat - crypto*tickerPrice + fee */
const discountPercentage = BN(discountValue).div(100) const calcCashInProfit = (fiat, crypto, tickerPrice, fee) => fiat.minus(crypto.times(tickerPrice)).plus(fee)
const commissionPercentage = BN(it.commissionPercentage).times(discountPercentage) /* crypto*tickerPrice - fiat */
const getCommissionFee = it => BN(commissionPercentage).times(BN(it.fiat)) const calcCashOutProfit = (fiat, crypto, tickerPrice) => crypto.times(tickerPrice).minus(fiat)
if (!it.cashInFee) return getCommissionFee(it)
return getCommissionFee(it).plus(BN(it.cashInFee)) const fiat = BN(it.fiat)
const crypto = getCryptoAmount(it)
const tickerPrice = BN(it.rawTickerPrice)
const isCashIn = it.txClass === 'cashIn'
return isCashIn
? calcCashInProfit(fiat, crypto, tickerPrice, BN(it.cashInFee))
: calcCashOutProfit(fiat, crypto, tickerPrice)
} }
const getCashOutStatus = it => { const getCashOutStatus = it => {