+class BalanceTest(unittest.TestCase):
+ def setUp(self):
+ super(BalanceTest, self).setUp()
+
+ self.fetch_balance = {
+ "free": "foo",
+ "info": "bar",
+ "used": "baz",
+ "total": "bazz",
+ "ETC": {
+ "free": 0.0,
+ "used": 0.0,
+ "total": 0.0
+ },
+ "USDT": {
+ "free": 6.0,
+ "used": 1.2,
+ "total": 7.2
+ },
+ "XVG": {
+ "free": 16,
+ "used": 0.0,
+ "total": 16
+ },
+ "XMR": {
+ "free": 0.0,
+ "used": 0.0,
+ "total": 0.0
+ },
+ }
+ self.patcher = mock.patch.multiple(portfolio.Balance, known_balances={})
+ self.patcher.start()
+
+ def test_values(self):
+ balance = portfolio.Balance("BTC", 0.65, 0.35, 0.30)
+ self.assertEqual(0.65, balance.total.value)
+ self.assertEqual(0.35, balance.free.value)
+ self.assertEqual(0.30, balance.used.value)
+ self.assertEqual("BTC", balance.currency)
+
+ balance = portfolio.Balance.from_hash("BTC", { "total": 0.65, "free": 0.35, "used": 0.30})
+ self.assertEqual(0.65, balance.total.value)
+ self.assertEqual(0.35, balance.free.value)
+ self.assertEqual(0.30, balance.used.value)
+ self.assertEqual("BTC", balance.currency)
+
+ @mock.patch.object(portfolio.Trade, "get_ticker")
+ def test_in_currency(self, get_ticker):
+ portfolio.Balance.known_balances = {
+ "BTC": portfolio.Balance("BTC", "0.65", "0.35", "0.30"),
+ "ETH": portfolio.Balance("ETH", 3, 3, 0),
+ }
+ market = mock.Mock()
+ get_ticker.return_value = {
+ "bid": D("0.09"),
+ "ask": D("0.11"),
+ "average": D("0.1"),
+ }
+
+ amounts = portfolio.Balance.in_currency("BTC", market)
+ self.assertEqual("BTC", amounts["ETH"].currency)
+ self.assertEqual(D("0.65"), amounts["BTC"].value)
+ self.assertEqual(D("0.30"), amounts["ETH"].value)
+
+ amounts = portfolio.Balance.in_currency("BTC", market, compute_value="bid")
+ self.assertEqual(D("0.65"), amounts["BTC"].value)
+ self.assertEqual(D("0.27"), amounts["ETH"].value)
+
+ amounts = portfolio.Balance.in_currency("BTC", market, compute_value="bid", type="used")
+ self.assertEqual(D("0.30"), amounts["BTC"].value)
+ self.assertEqual(0, amounts["ETH"].value)
+
+ def test_currencies(self):
+ portfolio.Balance.known_balances = {
+ "BTC": portfolio.Balance("BTC", "0.65", "0.35", "0.30"),
+ "ETH": portfolio.Balance("ETH", 3, 3, 0),
+ }
+ self.assertListEqual(["BTC", "ETH"], list(portfolio.Balance.currencies()))
+
+ @mock.patch.object(portfolio.market, "fetch_balance")
+ def test_fetch_balances(self, fetch_balance):
+ fetch_balance.return_value = self.fetch_balance
+
+ portfolio.Balance.fetch_balances(portfolio.market)
+ self.assertNotIn("XMR", portfolio.Balance.currencies())
+ self.assertListEqual(["USDT", "XVG"], list(portfolio.Balance.currencies()))
+
+ portfolio.Balance.known_balances["ETC"] = portfolio.Balance("ETC", "1", "0", "1")
+ portfolio.Balance.fetch_balances(portfolio.market)
+ self.assertEqual(0, portfolio.Balance.known_balances["ETC"].total)
+ self.assertListEqual(["USDT", "XVG", "ETC"], list(portfolio.Balance.currencies()))
+
+ @mock.patch.object(portfolio.Portfolio, "repartition_pertenthousand")
+ @mock.patch.object(portfolio.market, "fetch_balance")
+ def test_dispatch_assets(self, fetch_balance, repartition):
+ fetch_balance.return_value = self.fetch_balance
+ portfolio.Balance.fetch_balances(portfolio.market)
+
+ self.assertNotIn("XEM", portfolio.Balance.currencies())
+
+ repartition.return_value = {
+ "XEM": 7500,
+ "BTC": 2600,
+ }
+
+ amounts = portfolio.Balance.dispatch_assets(portfolio.Amount("BTC", "10.1"))
+ self.assertIn("XEM", portfolio.Balance.currencies())
+ self.assertEqual(D("2.6"), amounts["BTC"].value)
+ self.assertEqual(D("7.5"), amounts["XEM"].value)
+
+ @mock.patch.object(portfolio.Portfolio, "repartition_pertenthousand")
+ @mock.patch.object(portfolio.Trade, "get_ticker")
+ @mock.patch.object(portfolio.Trade, "compute_trades")
+ def test_prepare_trades(self, compute_trades, get_ticker, repartition):
+ repartition.return_value = {
+ "XEM": 7500,
+ "BTC": 2500,
+ }
+ def _get_ticker(c1, c2, market):
+ if c1 == "USDT" and c2 == "BTC":
+ return { "average": D("0.0001") }
+ if c1 == "XVG" and c2 == "BTC":
+ return { "average": D("0.000001") }
+ if c1 == "XEM" and c2 == "BTC":
+ return { "average": D("0.001") }
+ self.fail("Should be called with {}, {}".format(c1, c2))
+ get_ticker.side_effect = _get_ticker
+
+ market = mock.Mock()
+ market.fetch_balance.return_value = {
+ "USDT": {
+ "free": D("10000.0"),
+ "used": D("0.0"),
+ "total": D("10000.0")
+ },
+ "XVG": {
+ "free": D("10000.0"),
+ "used": D("0.0"),
+ "total": D("10000.0")
+ },
+ }
+ portfolio.Balance.prepare_trades(market)
+ compute_trades.assert_called()
+
+ call = compute_trades.call_args
+ self.assertEqual(market, call[1]["market"])
+ self.assertEqual(1, call[0][0]["USDT"].value)
+ self.assertEqual(D("0.01"), call[0][0]["XVG"].value)
+ self.assertEqual(D("0.2525"), call[0][1]["BTC"].value)
+ self.assertEqual(D("0.7575"), call[0][1]["XEM"].value)
+
+ @unittest.skip("TODO")
+ def test_update_trades(self):
+ pass
+
+ def test__repr(self):
+ balance = portfolio.Balance("BTX", 3, 1, 2)
+ self.assertEqual("Balance(BTX [1.00000000 BTX/2.00000000 BTX/3.00000000 BTX])", repr(balance))
+
+ def tearDown(self):
+ self.patcher.stop()
+
+class TradeTest(unittest.TestCase):
+ import time
+
+ def setUp(self):
+ super(TradeTest, self).setUp()
+
+ self.patcher = mock.patch.multiple(portfolio.Trade,
+ ticker_cache={},
+ ticker_cache_timestamp=self.time.time(),
+ fees_cache={},
+ trades={})
+ self.patcher.start()
+
+ def test_get_ticker(self):
+ market = mock.Mock()
+ market.fetch_ticker.side_effect = [
+ { "bid": 1, "ask": 3 },
+ portfolio.ExchangeError("foo"),
+ { "bid": 10, "ask": 40 },
+ portfolio.ExchangeError("foo"),
+ portfolio.ExchangeError("foo"),
+ ]
+
+ ticker = portfolio.Trade.get_ticker("ETH", "ETC", market)
+ market.fetch_ticker.assert_called_with("ETH/ETC")
+ self.assertEqual(1, ticker["bid"])
+ self.assertEqual(3, ticker["ask"])
+ self.assertEqual(2, ticker["average"])
+ self.assertFalse(ticker["inverted"])
+
+ ticker = portfolio.Trade.get_ticker("ETH", "XVG", market)
+ self.assertEqual(0.0625, ticker["average"])
+ self.assertTrue(ticker["inverted"])
+ self.assertIn("original", ticker)
+ self.assertEqual(10, ticker["original"]["bid"])
+
+ ticker = portfolio.Trade.get_ticker("XVG", "XMR", market)
+ self.assertIsNone(ticker)
+
+ market.fetch_ticker.assert_has_calls([
+ mock.call("ETH/ETC"),
+ mock.call("ETH/XVG"),
+ mock.call("XVG/ETH"),
+ mock.call("XVG/XMR"),
+ mock.call("XMR/XVG"),
+ ])
+
+ market2 = mock.Mock()
+ market2.fetch_ticker.side_effect = [
+ { "bid": 1, "ask": 3 },
+ { "bid": 1.2, "ask": 3.5 },
+ ]
+ ticker1 = portfolio.Trade.get_ticker("ETH", "ETC", market2)
+ ticker2 = portfolio.Trade.get_ticker("ETH", "ETC", market2)
+ ticker3 = portfolio.Trade.get_ticker("ETC", "ETH", market2)
+ market2.fetch_ticker.assert_called_once_with("ETH/ETC")
+ self.assertEqual(1, ticker1["bid"])
+ self.assertDictEqual(ticker1, ticker2)
+ self.assertDictEqual(ticker1, ticker3["original"])
+
+ ticker4 = portfolio.Trade.get_ticker("ETH", "ETC", market2, refresh=True)
+ ticker5 = portfolio.Trade.get_ticker("ETH", "ETC", market2)
+ self.assertEqual(1.2, ticker4["bid"])
+ self.assertDictEqual(ticker4, ticker5)
+
+ market3 = mock.Mock()
+ market3.fetch_ticker.side_effect = [
+ { "bid": 1, "ask": 3 },
+ { "bid": 1.2, "ask": 3.5 },
+ ]
+ ticker6 = portfolio.Trade.get_ticker("ETH", "ETC", market3)
+ portfolio.Trade.ticker_cache_timestamp -= 4
+ ticker7 = portfolio.Trade.get_ticker("ETH", "ETC", market3)
+ portfolio.Trade.ticker_cache_timestamp -= 2
+ ticker8 = portfolio.Trade.get_ticker("ETH", "ETC", market3)
+ self.assertDictEqual(ticker6, ticker7)
+ self.assertEqual(1.2, ticker8["bid"])
+
+ @unittest.skip("TODO")
+ def test_values_assertion(self):
+ pass
+
+ @unittest.skip("TODO")
+ def test_fetch_fees(self):
+ pass
+
+ @unittest.skip("TODO")
+ def test_compute_trades(self):
+ pass
+
+ @unittest.skip("TODO")
+ def test_action(self):
+ pass
+
+ @unittest.skip("TODO")
+ def test_action(self):
+ pass
+
+ @unittest.skip("TODO")
+ def test_order_action(self):
+ pass
+
+ @unittest.skip("TODO")
+ def test_prepare_order(self):
+ pass
+
+ @unittest.skip("TODO")
+ def test_all_orders(self):
+ pass
+
+ @unittest.skip("TODO")
+ def test_follow_orders(self):
+ pass
+
+ @unittest.skip("TODO")
+ def test_compute_value(self):
+ pass
+
+ @unittest.skip("TODO")
+ def test__repr(self):
+ pass
+
+ def tearDown(self):
+ self.patcher.stop()
+
+class AcceptanceTest(unittest.TestCase):
+ import time
+
+ def setUp(self):
+ super(AcceptanceTest, self).setUp()
+
+ self.patchers = [
+ mock.patch.multiple(portfolio.Balance, known_balances={}),
+ mock.patch.multiple(portfolio.Portfolio, data=None, liquidities={}),
+ mock.patch.multiple(portfolio.Trade,
+ ticker_cache={},
+ ticker_cache_timestamp=self.time.time(),
+ fees_cache={},
+ trades={}),
+ mock.patch.multiple(portfolio.Computation,
+ computations=portfolio.Computation.computations)
+ ]
+ for patcher in self.patchers:
+ patcher.start()
+
+ def test_success_sell_only_necessary(self):
+ fetch_balance = {
+ "ETH": {
+ "free": D("1.0"),
+ "used": D("0.0"),
+ "total": D("1.0"),
+ },
+ "ETC": {
+ "free": D("4.0"),
+ "used": D("0.0"),
+ "total": D("4.0"),
+ },
+ "XVG": {
+ "free": D("1000.0"),
+ "used": D("0.0"),
+ "total": D("1000.0"),
+ },
+ }
+ repartition = {
+ "ETH": 2500,
+ "ETC": 2500,
+ "BTC": 4000,
+ "BTD": 500,
+ "USDT": 500,
+ }
+
+ def fetch_ticker(symbol):
+ if symbol == "ETH/BTC":
+ return {
+ "symbol": "ETH/BTC",
+ "bid": D("0.14"),
+ "ask": D("0.16")
+ }
+ if symbol == "ETC/BTC":
+ return {
+ "symbol": "ETC/BTC",
+ "bid": D("0.002"),
+ "ask": D("0.003")
+ }
+ if symbol == "XVG/BTC":
+ return {
+ "symbol": "XVG/BTC",
+ "bid": D("0.00003"),
+ "ask": D("0.00005")
+ }
+ if symbol == "BTD/BTC":
+ return {
+ "symbol": "BTD/BTC",
+ "bid": D("0.0008"),
+ "ask": D("0.0012")
+ }
+ if symbol == "USDT/BTC":
+ raise portfolio.ExchangeError
+ if symbol == "BTC/USDT":
+ return {
+ "symbol": "BTC/USDT",
+ "bid": D("14000"),
+ "ask": D("16000")
+ }
+ self.fail("Shouldn't have been called with {}".format(symbol))
+
+ market = mock.Mock()
+ market.fetch_balance.return_value = fetch_balance
+ market.fetch_ticker.side_effect = fetch_ticker
+ with mock.patch.object(portfolio.Portfolio, "repartition_pertenthousand", return_value=repartition):
+ # Action 1
+ portfolio.Balance.prepare_trades(market)
+
+ balances = portfolio.Balance.known_balances
+ self.assertEqual(portfolio.Amount("ETH", 1), balances["ETH"].total)
+ self.assertEqual(portfolio.Amount("ETC", 4), balances["ETC"].total)
+ self.assertEqual(portfolio.Amount("XVG", 1000), balances["XVG"].total)
+
+
+ trades = portfolio.Trade.trades
+ self.assertEqual(portfolio.Amount("BTC", D("0.15")), trades["ETH"].value_from)
+ self.assertEqual(portfolio.Amount("BTC", D("0.05")), trades["ETH"].value_to)
+ self.assertEqual("sell", trades["ETH"].action)
+
+ self.assertEqual(portfolio.Amount("BTC", D("0.01")), trades["ETC"].value_from)
+ self.assertEqual(portfolio.Amount("BTC", D("0.05")), trades["ETC"].value_to)
+ self.assertEqual("buy", trades["ETC"].action)
+
+ self.assertNotIn("BTC", trades)
+
+ self.assertEqual(portfolio.Amount("BTC", D("0.00")), trades["BTD"].value_from)
+ self.assertEqual(portfolio.Amount("BTC", D("0.01")), trades["BTD"].value_to)
+ self.assertEqual("buy", trades["BTD"].action)
+
+ self.assertEqual(portfolio.Amount("BTC", D("0.00")), trades["USDT"].value_from)
+ self.assertEqual(portfolio.Amount("BTC", D("0.01")), trades["USDT"].value_to)
+ self.assertEqual("buy", trades["USDT"].action)
+
+ self.assertEqual(portfolio.Amount("BTC", D("0.04")), trades["XVG"].value_from)
+ self.assertEqual(portfolio.Amount("BTC", D("0.00")), trades["XVG"].value_to)
+ self.assertEqual("sell", trades["XVG"].action)
+
+ # Action 2
+ portfolio.Trade.prepare_orders(only="sell", compute_value=lambda x, y: x["bid"] * D("1.001"))
+
+ all_orders = portfolio.Trade.all_orders()
+ self.assertEqual(2, len(all_orders))
+ self.assertEqual(2, 3*all_orders[0].amount.value)
+ self.assertEqual(D("0.14014"), all_orders[0].rate)
+ self.assertEqual(1000, all_orders[1].amount.value)
+ self.assertEqual(D("0.00003003"), all_orders[1].rate)
+
+
+ def create_order(symbol, type, action, amount, price=None):
+ self.assertEqual("limit", type)
+ if symbol == "ETH/BTC":
+ self.assertEqual("sell", action)
+ self.assertEqual(2, 3*amount)
+ self.assertEqual(D("0.14014"), price)
+ elif symbol == "XVG/BTC":
+ self.assertEqual("sell", action)
+ self.assertEqual(1000, amount)
+ self.assertEqual(D("0.00003003"), price)
+ else:
+ self.fail("I shouldn't have been called")
+
+ return {
+ "id": symbol,
+ }
+ market.create_order.side_effect = create_order
+
+ # Action 3
+ portfolio.Trade.run_orders()
+
+ self.assertEqual("open", all_orders[0].status)
+ self.assertEqual("open", all_orders[1].status)
+
+ market.fetch_order.return_value = { "status": "closed" }
+ with mock.patch.object(portfolio.time, "sleep") as sleep:
+ # Action 4
+ portfolio.Trade.follow_orders(verbose=False)
+
+ sleep.assert_called_with(30)
+
+ for order in all_orders:
+ self.assertEqual("closed", order.status)
+
+ fetch_balance = {
+ "ETH": {
+ "free": D("1.0") / 3,
+ "used": D("0.0"),
+ "total": D("1.0") / 3,
+ },
+ "BTC": {
+ "free": D("0.134"),
+ "used": D("0.0"),
+ "total": D("0.134"),
+ },
+ "ETC": {
+ "free": D("4.0"),
+ "used": D("0.0"),
+ "total": D("4.0"),
+ },
+ "XVG": {
+ "free": D("0.0"),
+ "used": D("0.0"),
+ "total": D("0.0"),
+ },
+ }
+ market.fetch_balance.return_value = fetch_balance
+
+ with mock.patch.object(portfolio.Portfolio, "repartition_pertenthousand", return_value=repartition):
+ # Action 5
+ portfolio.Balance.update_trades(market, only="buy", compute_value="average")
+
+ balances = portfolio.Balance.known_balances
+ self.assertEqual(portfolio.Amount("ETH", 1 / D("3")), balances["ETH"].total)
+ self.assertEqual(portfolio.Amount("ETC", 4), balances["ETC"].total)
+ self.assertEqual(portfolio.Amount("BTC", D("0.134")), balances["BTC"].total)
+ self.assertEqual(portfolio.Amount("XVG", 0), balances["XVG"].total)
+
+
+ trades = portfolio.Trade.trades
+ self.assertEqual(portfolio.Amount("BTC", D("0.15")), trades["ETH"].value_from)
+ self.assertEqual(portfolio.Amount("BTC", D("0.05")), trades["ETH"].value_to)
+ self.assertEqual("sell", trades["ETH"].action)
+
+ self.assertEqual(portfolio.Amount("BTC", D("0.01")), trades["ETC"].value_from)
+ self.assertEqual(portfolio.Amount("BTC", D("0.0485")), trades["ETC"].value_to)
+ self.assertEqual("buy", trades["ETC"].action)
+
+ self.assertNotIn("BTC", trades)
+
+ self.assertEqual(portfolio.Amount("BTC", D("0.00")), trades["BTD"].value_from)
+ self.assertEqual(portfolio.Amount("BTC", D("0.0097")), trades["BTD"].value_to)
+ self.assertEqual("buy", trades["BTD"].action)
+
+ self.assertEqual(portfolio.Amount("BTC", D("0.00")), trades["USDT"].value_from)
+ self.assertEqual(portfolio.Amount("BTC", D("0.0097")), trades["USDT"].value_to)
+ self.assertEqual("buy", trades["USDT"].action)
+
+ self.assertEqual(portfolio.Amount("BTC", D("0.04")), trades["XVG"].value_from)
+ self.assertEqual(portfolio.Amount("BTC", D("0.00")), trades["XVG"].value_to)
+ self.assertEqual("sell", trades["XVG"].action)
+
+ # Action 6
+ portfolio.Trade.prepare_orders(only="buy", compute_value=lambda x, y: x["ask"])
+
+
+ all_orders = portfolio.Trade.all_orders(state="pending")
+ self.assertEqual(3, len(all_orders))
+ self.assertEqual(portfolio.Amount("ETC", D("38.5")/3), all_orders[0].amount)
+ self.assertEqual(D("0.003"), all_orders[0].rate)
+ self.assertEqual("buy", all_orders[0].action)
+
+ self.assertEqual(portfolio.Amount("BTD", D("24.25")/3), all_orders[1].amount)
+ self.assertEqual(D("0.0012"), all_orders[1].rate)
+ self.assertEqual("buy", all_orders[1].action)
+
+ self.assertEqual(portfolio.Amount("BTC", D("0.0097")), all_orders[2].amount)
+ self.assertEqual(D("16000"), all_orders[2].rate)
+ self.assertEqual("sell", all_orders[2].action)
+
+ with mock.patch.object(portfolio.time, "sleep") as sleep:
+ # Action 7
+ portfolio.Trade.follow_orders(verbose=False)
+
+ sleep.assert_called_with(30)
+
+ def tearDown(self):
+ for patcher in self.patchers:
+ patcher.stop()
+