107 lines
3 KiB
JavaScript
107 lines
3 KiB
JavaScript
/*global describe, it */
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'use strict';
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var assert = require('chai').assert;
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var Trader = require('../../lib/trader.js');
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var db = 'psql://lamassu:lamassu@localhost/lamassu-test';
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var RATE = 101;
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var CURRENCY = 'USD';
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var SATOSHI_FACTOR = 1e8;
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var LOW_BALANCE_MARGIN = 1.2;
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var COMMISSION = 1.1;
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var FINGERPRINT = '00:7A:5A:B3:02:F1:44:46:E2:EA:24:D3:A8:29:DE:22:BA:1B:F9:50';
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var settings = {
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currency: CURRENCY,
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lowBalanceMargin: LOW_BALANCE_MARGIN,
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commission: COMMISSION
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};
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describe('trader/fiatBalance', function() {
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it('should calculate balance correctly with transfer exchange only', function() {
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var trader = new Trader(db);
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trader.configure({
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exchanges: {
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plugins: {
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current: {
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transfer: 'blockchain',
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ticker: 'bitpay'
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},
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settings: { blockchain: {}, bitpay: {} }
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},
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settings: settings
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}
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});
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// We have 3 bitcoins, want to trade 1 bitcoin for 100 fiat
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trader.balance = {
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transferBalance: 3 * SATOSHI_FACTOR,
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tradeBalance: null
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};
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trader.rates[CURRENCY] = { rate: RATE };
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trader.rateInfo = {rates: {USD: {rate: RATE}}};
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var fiatBalance = trader.fiatBalance(FINGERPRINT);
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assert.equal(fiatBalance, (3 * RATE * COMMISSION / LOW_BALANCE_MARGIN));
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});
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it('should calculate balance correctly with transfer and trade exchange', function() {
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var trader = new Trader(db);
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trader.configure({
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exchanges: {
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plugins: {
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current: {
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transfer: 'blockchain',
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ticker: 'bitpay',
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trade: 'bitstamp'
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},
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settings: { blockchain: {}, bitpay: {}, bitstamp: {} }
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},
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settings: settings
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}
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});
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// We have 3 bitcoins in transfer, worth 3 * RATE * COMMISSION = 333.3
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// We have 150 USD in trade
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trader.balance = {
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transferBalance: 3 * SATOSHI_FACTOR,
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tradeBalance: 150
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};
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trader.rates[CURRENCY] = { rate: RATE };
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trader.rateInfo = {rates: {USD: {rate: RATE}}};
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var fiatBalance = trader.fiatBalance(FINGERPRINT);
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assert.equal(fiatBalance, 150 / LOW_BALANCE_MARGIN);
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});
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it('should calculate balance correctly with transfer and ' +
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'trade exchange with different currencies', function() {
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var trader = new Trader(db);
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trader.configure({
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exchanges: {
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plugins: {
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current: {
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transfer: 'blockchain',
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ticker: 'bitpay',
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trade: 'bitstamp'
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},
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settings: { blockchain: {}, bitpay: {}, bitstamp: {} }
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},
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settings: settings
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}
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});
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// We have 6 bitcoins in transfer, worth 6 * RATE * COMMISSION = 666.6
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// We have 150 USD in trade, 1 USD = 4 ILS => 600 ILS in trade
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trader.balance = {
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transferBalance: 6 * SATOSHI_FACTOR,
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tradeBalance: 600
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};
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trader.rates = {USD: {rate: RATE}, ILS: {rate: RATE * 4} };
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trader.rateInfo = {rates: {USD: {rate: RATE}}};
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var fiatBalance = trader.fiatBalance(FINGERPRINT);
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assert.equal(fiatBalance, 600 / LOW_BALANCE_MARGIN);
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});
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});
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