lamassu-server/lib/new-admin/funding.js
2020-05-27 22:43:00 +01:00

87 lines
3 KiB
JavaScript

const _ = require('lodash/fp')
const BN = require('../bn')
const settingsLoader = require('../new-settings-loader')
const configManager = require('../new-config-manager')
const wallet = require('../wallet')
const ticker = require('../ticker')
const coinUtils = require('../coin-utils')
function allScopes (cryptoScopes, machineScopes) {
const scopes = []
cryptoScopes.forEach(c => {
machineScopes.forEach(m => scopes.push([c, m]))
})
return scopes
}
function allMachineScopes (machineList, machineScope) {
const machineScopes = []
if (machineScope === 'global' || machineScope === 'both') machineScopes.push('global')
if (machineScope === 'specific' || machineScope === 'both') machineList.forEach(r => machineScopes.push(r))
return machineScopes
}
function computeCrypto (cryptoCode, _balance) {
const cryptoRec = coinUtils.getCryptoCurrency(cryptoCode)
const unitScale = cryptoRec.unitScale
return BN(_balance).shift(-unitScale).round(5)
}
function computeFiat (rate, cryptoCode, _balance) {
const cryptoRec = coinUtils.getCryptoCurrency(cryptoCode)
const unitScale = cryptoRec.unitScale
return BN(_balance).shift(-unitScale).mul(rate).round(5)
}
function getSingleCoinFunding (settings, fiatCode, cryptoCode) {
const promises = [
wallet.newFunding(settings, cryptoCode),
ticker.getRates(settings, fiatCode, cryptoCode)
]
return Promise.all(promises)
.then(([fundingRec, ratesRec]) => {
const rates = ratesRec.rates
const rate = (rates.ask.add(rates.bid)).div(2)
const fundingConfirmedBalance = fundingRec.fundingConfirmedBalance
const fiatConfirmedBalance = computeFiat(rate, cryptoCode, fundingConfirmedBalance)
const pending = fundingRec.fundingPendingBalance.sub(fundingConfirmedBalance)
const fiatPending = computeFiat(rate, cryptoCode, pending)
const fundingAddress = fundingRec.fundingAddress
const fundingAddressUrl = coinUtils.buildUrl(cryptoCode, fundingAddress)
return {
cryptoCode,
fundingAddress,
fundingAddressUrl,
confirmedBalance: computeCrypto(cryptoCode, fundingConfirmedBalance).toFormat(5),
pending: computeCrypto(cryptoCode, pending).toFormat(5),
fiatConfirmedBalance: fiatConfirmedBalance,
fiatPending: fiatPending,
fiatCode
}
})
}
function getFunding () {
return settingsLoader.loadLatest().then(settings => {
const cryptoCodes = configManager.getAllCryptoCurrencies(settings.config)
const fiatCode = configManager.getGlobalLocale(settings.config).fiatCurrency
const pareCoins = c => _.includes(c.cryptoCode, cryptoCodes)
const cryptoCurrencies = coinUtils.cryptoCurrencies()
const cryptoDisplays = _.filter(pareCoins, cryptoCurrencies)
const promises = cryptoDisplays.map(it => getSingleCoinFunding(settings, fiatCode, it.cryptoCode))
return Promise.all(promises)
.then((response) => {
return _.toArray(_.merge(response, cryptoDisplays))
})
})
}
module.exports = { getFunding }