108 lines
3.8 KiB
Python
108 lines
3.8 KiB
Python
import asyncio
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from decimal import Decimal
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from time import time
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from lbry.schema.claim import Claim
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from lbry.extras.daemon.exchange_rate_manager import (
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ExchangeRate, ExchangeRateManager, CurrencyConversionError,
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CryptonatorUSDFeed, CryptonatorBTCFeed,
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BittrexUSDFeed, BittrexBTCFeed
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)
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from lbry.testcase import AsyncioTestCase, FakeExchangeRateManager, get_fake_exchange_rate_manager
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from lbry.error import InvalidExchangeRateResponseError
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class ExchangeRateTests(AsyncioTestCase):
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def test_invalid_rates(self):
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with self.assertRaises(ValueError):
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ExchangeRate('USDBTC', 0, time())
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with self.assertRaises(ValueError):
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ExchangeRate('USDBTC', -1, time())
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def test_fee_converts_to_lbc(self):
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fee = Claim().stream.fee
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fee.usd = Decimal(10.0)
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fee.address = "bRcHraa8bYJZL7vkh5sNmGwPDERFUjGPP9"
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manager = get_fake_exchange_rate_manager()
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result = manager.convert_currency(fee.currency, "LBC", fee.amount)
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self.assertEqual(20.0, result)
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def test_missing_feed(self):
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fee = Claim().stream.fee
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fee.usd = Decimal(1.0)
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fee.address = "bRcHraa8bYJZL7vkh5sNmGwPDERFUjGPP9"
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manager = FakeExchangeRateManager([BittrexBTCFeed()], {'BTCLBC': 1.0})
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with self.assertRaises(CurrencyConversionError):
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manager.convert_currency(fee.currency, "LBC", fee.amount)
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def test_cryptonator_lbc_feed_response(self):
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feed = CryptonatorUSDFeed()
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out = feed.get_rate_from_response({
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'ticker': {
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'base': 'USD', 'target': 'LBC', 'price': 23657.44026496,
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'volume': '', 'change': -5.59806916,
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},
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'timestamp': 1507470422,
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'success': True,
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'error': ""
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})
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self.assertEqual(23_657.44026496, out)
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with self.assertRaises(InvalidExchangeRateResponseError):
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feed.get_rate_from_response({})
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with self.assertRaises(InvalidExchangeRateResponseError):
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feed.get_rate_from_response({
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"success": True,
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"ticker": {}
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})
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def test_cryptonator_btc_feed_response(self):
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feed = CryptonatorBTCFeed()
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out = feed.get_rate_from_response({
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'ticker': {
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'base': 'BTC', 'target': 'LBC', 'price': 0.00022123,
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'volume': '', 'change': -0.00000259,
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},
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'timestamp': 1507471141,
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'success': True,
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'error': ''
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})
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self.assertEqual(0.00022123, out)
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with self.assertRaises(InvalidExchangeRateResponseError):
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feed.get_rate_from_response({})
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with self.assertRaises(InvalidExchangeRateResponseError):
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feed.get_rate_from_response({
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"success": True,
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"ticker": {}
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})
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def test_bittrex_feed_response(self):
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feed = BittrexBTCFeed()
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out = feed.get_rate_from_response({
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"symbol": "LBC-BTC",
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"lastTradeRate": "0.00000323",
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"bidRate": "0.00000322",
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"askRate": "0.00000327"
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})
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self.assertEqual(1.0 / 0.00000323, out)
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with self.assertRaises(InvalidExchangeRateResponseError):
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feed.get_rate_from_response({})
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with self.assertRaises(InvalidExchangeRateResponseError):
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feed.get_rate_from_response({
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"success": True,
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"result": []
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})
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class BadMarketFeed(BittrexUSDFeed):
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def get_response(self):
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raise InvalidExchangeRateResponseError(self.name, 'bad stuff')
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class ExchangeRateManagerTests(AsyncioTestCase):
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async def test_get_rate_failure_retrieved(self):
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manager = ExchangeRateManager([BadMarketFeed])
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manager.start()
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await asyncio.sleep(1)
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self.addCleanup(manager.stop)
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