lamassu-server/lib/exchange.js
Josh Harvey 48a9f9d204 fixes
2016-11-28 03:34:18 +02:00

37 lines
1 KiB
JavaScript

const configManager = require('./config-manager')
const settingsLoader = require('./settings-loader')
function noExchangeError (cryptoCode) {
const err = new Error('No exchange plugin defined for: ' + cryptoCode)
err.name = 'NoExchangeError'
return err
}
function fetchExchange (cryptoCode) {
return Promise.resolve()
.then(() => {
const settings = settingsLoader.settings()
const plugin = configManager.cryptoScoped(cryptoCode, settings.config).cryptoServices.exchange
if (!plugin) throw noExchangeError(cryptoCode)
const account = settings.accounts[plugin]
const exchange = require('lamassu-' + plugin)
return {exchange, account}
})
}
function buy (cryptoAtoms, fiatCode, cryptoCode) {
return fetchExchange(cryptoCode)
.then(r => r.exchange.buy(r.account, cryptoAtoms, fiatCode, cryptoCode))
}
function sell (cryptoAtoms, fiatCode, cryptoCode) {
return fetchExchange(cryptoCode)
.then(r => r.exchange.sell(r.account, cryptoAtoms, fiatCode, cryptoCode))
}
module.exports = {
buy,
sell
}