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Added get_instruments on cryptocompare.

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This commit is contained in:
AuroraTradingTeam
2017-11-07 14:42:12 +00:00
parent fcabb2f2b8
commit c5c592329e
6 changed files with 217 additions and 31 deletions
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Makefile
+1
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@@ -49,6 +49,7 @@ clean-test: ## remove test and coverage artifacts
autopep8: ## autopep8 to clean
autopep8 --aggressive --in-place --recursive libcryptomarket/*/*.py
autopep8 --aggressive --in-place --recursive libcryptomarket/*.py
autopep8 --aggressive --in-place --recursive tests/*.py
lint: ## check style with flake8
libcryptomarket/api/coinmarketcap_api.py
+4 -3
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@@ -5,13 +5,14 @@ from datetime import datetime
TICKET_URL = "https://api.coinmarketcap.com/v1/ticker/"
class CoinMarketCapApiTicker:
"""Result class of query /ticker
"""
def __init__(self, **kwargs):
"""Constructor.
Constructed from the request result like the following
{
"id": "bitcoin",
@@ -46,6 +47,7 @@ class CoinMarketCapApiTicker:
self.r_last_updated = datetime.fromtimestamp(
int(kwargs["last_updated"]))
def get_ticker(coin=None):
"""Return the ticker of all coins or the particular coin.
@@ -59,5 +61,4 @@ def get_ticker(coin=None):
if coin is not None:
url += coin
return [CoinMarketCapApiTicker(**ret)
for ret in requests.get(url).json()]
return requests.get(url).json()
libcryptomarket/api/cryptocompare_api.py
+38
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@@ -0,0 +1,38 @@
#!/bin/python
import requests
API_URL = "https://www.cryptocompare.com/api/data/"
class CryptocompareCoinlist:
"""Cryptocompare coinlist.
"""
def __init__(self, **kwargs):
"""Constructor.
"""
self.r_algorithm = kwargs['Algorithm'].replace('N/A', '') or ''
self.r_coinname = kwargs['CoinName'] or ''
self.r_fullname = kwargs['FullName'] or ''
self.r_fullypremined = int(kwargs['FullyPremined'].replace('N/A', '')
or 0)
self.r_id = kwargs['Id'] or ''
self.r_imageurl = kwargs.get('ImageUrl', '') or ''
self.r_name = kwargs['Name'] or ''
self.r_preminedvalue = float(kwargs['PreMinedValue'].replace('N/A', '')
or '0')
self.r_prooftype = kwargs['ProofType'].replace('N/A', '') or ''
self.r_sortorder = int(kwargs['SortOrder'].replace('N/A', '') or '0')
self.r_sponsored = kwargs['Sponsored'] or False
self.r_symbol = kwargs['Symbol'] or ''
# TotalCoinSupply and TotalCoinsFreeFloat are not supported due to
# very dirty data.
self.r_url = kwargs['Url'] or ''
def get_coinlist():
"""Return general info for all coins available.
"""
url = API_URL + "coinlist"
return requests.get(url).json()
libcryptomarket/instrument.py
+20 -6
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@@ -1,12 +1,26 @@
import pandas as pd
from libcryptomarket.api.coinmarketcap_api import get_ticker
def get_instruments():
def get_instruments(source='coinmarketcap', **kwargs):
"""Return all the instruments.
"""
result = get_ticker()
if source == 'coinmarketcap':
# Coinmarketcap
from libcryptomarket.api.coinmarketcap_api import (
get_ticker, CoinMarketCapApiTicker)
result = get_ticker(**kwargs)
result = [CoinMarketCapApiTicker(**e) for e in result]
elif source == 'cryptocompare':
# Cryptocompare
from libcryptomarket.api.cryptocompare_api import (
get_coinlist, CryptocompareCoinlist)
result = get_coinlist(**kwargs)
result = [CryptocompareCoinlist(**value)
for key, value in result['Data'].items()]
else:
raise ValueError("No source is called {0}".format(source))
result = pd.DataFrame([r.__dict__ for r in result])
return result
return result
tests/test_coinmarketcap_api.py
+61 -22
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@@ -1,10 +1,13 @@
import requests
import datetime
from libcryptomarket.api.coinmarketcap_api import get_ticker
import pandas as pd
from pandas.util.testing import assert_frame_equal
from libcryptomarket.instrument import get_instruments
def test_get_ticker(monkeypatch):
def test_get_instruments_coinmarketcap(monkeypatch):
def mockreturn(url):
# The result is from request.get(...).json()
class MockReturnClass:
@@ -71,25 +74,61 @@ def test_get_ticker(monkeypatch):
monkeypatch.setattr(requests, 'get', mockreturn)
# Test getting all coins
result = get_ticker()
assert len(result) == 2
result = get_instruments(source='coinmarketcap')
expected_result = pd.DataFrame([
{
"r_id": "bitcoin",
"r_name": "Bitcoin",
"r_symbol": "BTC",
"r_rank": 1,
"r_price_usd": 573.137,
"r_price_btc": 1.0,
"r_24h_volume_usd": 72855700.0,
"r_market_cap_usd": 9080883500.0,
"r_available_supply": 15844176.0,
"r_total_supply": 15844176.0,
"r_percent_change_1h": 0.04,
"r_percent_change_24h": -0.3,
"r_percent_change_7d": -0.57,
"r_last_updated": datetime.datetime(2016, 9, 1, 20, 34, 27)
},
{
"r_id": "ethereum",
"r_name": "Ethereum",
"r_symbol": "ETH",
"r_rank": 2,
"r_price_usd": 12.1844,
"r_price_btc": 0.021262,
"r_24h_volume_usd": 24085900.0,
"r_market_cap_usd": 1018098455.0,
"r_available_supply": 83557537.0,
"r_total_supply": 83557537.0,
"r_percent_change_1h": -0.58,
"r_percent_change_24h": 6.34,
"r_percent_change_7d": 8.59,
"r_last_updated": datetime.datetime(2016, 9, 1, 20, 34, 22)
}])
assert_frame_equal(result.set_index(['r_id']).sort_index(),
expected_result.set_index(['r_id']).sort_index())
# Test getting only bitcoin
result = get_ticker("bitcoin")
assert len(result) == 1
result = result[0]
assert result.r_id == "bitcoin"
assert result.r_name == "Bitcoin"
assert result.r_symbol == "BTC"
assert result.r_rank == 1
assert result.r_price_usd == 573.137
assert result.r_price_btc == 1.0
assert result.r_24h_volume_usd == 72855700.0
assert result.r_market_cap_usd == 9080883500.0
assert result.r_available_supply == 15844176.0
assert result.r_total_supply == 15844176.0
assert result.r_percent_change_1h == 0.04
assert result.r_percent_change_24h == -0.3
assert result.r_percent_change_7d == -0.57
assert result.r_last_updated == datetime.datetime(2016, 9, 1, 20, 34, 27)
result = get_instruments(source='coinmarketcap', coin='bitcoin')
expected_result = pd.DataFrame([
{
"r_id": "bitcoin",
"r_name": "Bitcoin",
"r_symbol": "BTC",
"r_rank": 1,
"r_price_usd": 573.137,
"r_price_btc": 1.0,
"r_24h_volume_usd": 72855700.0,
"r_market_cap_usd": 9080883500.0,
"r_available_supply": 15844176.0,
"r_total_supply": 15844176.0,
"r_percent_change_1h": 0.04,
"r_percent_change_24h": -0.3,
"r_percent_change_7d": -0.57,
"r_last_updated": datetime.datetime(2016, 9, 1, 20, 34, 27)
}])
assert_frame_equal(result.set_index(['r_id']).sort_index(),
expected_result.set_index(['r_id']).sort_index())
tests/test_cryptocompare_api.py
+93
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@@ -0,0 +1,93 @@
import requests
import pandas as pd
from pandas.util.testing import assert_frame_equal
from libcryptomarket.instrument import get_instruments
def test_get_instruments_cryptocompare(monkeypatch):
def mockreturn(url):
# The result is from request.get(...).json()
class MockReturnClass:
@classmethod
def json(cls):
# Query all symbols
return {
'BaseImageUrl': 'https://www.cryptocompare.com',
'BaseLinkUrl': 'https://www.cryptocompare.com',
'Data': {
'STX': {
'Algorithm': 'N/A',
'CoinName': 'Stox',
'FullName': 'Stox (STX)',
'FullyPremined': '0',
'Id': '204716',
'ImageUrl': '/media/1383946/stx.png',
'Name': 'STX',
'PreMinedValue': 'N/A',
'ProofType': 'N/A',
'SortOrder': '1431',
'Sponsored': False,
'Symbol': 'STX',
'TotalCoinSupply': '29600000',
'TotalCoinsFreeFloat': 'N/A',
'Url': '/coins/stx/overview'},
'BCN': {
'Algorithm': 'CryptoNight',
'CoinName': 'ByteCoin',
'FullName': 'ByteCoin (BCN)',
'FullyPremined': '0',
'Id': '5280',
'ImageUrl': '/media/12318404/bcn.png',
'Name': 'BCN',
'PreMinedValue': 'N/A',
'ProofType': 'PoW',
'SortOrder': '249',
'Sponsored': False,
'Symbol': 'BCN',
'TotalCoinSupply': '184467440735',
'TotalCoinsFreeFloat': 'N/A',
'Url': '/coins/bcn/overview'}
}
}
return MockReturnClass()
monkeypatch.setattr(requests, 'get', mockreturn)
# Test getting all coins
result = get_instruments(source='cryptocompare')
assert len(result) == 2
expected_result = pd.DataFrame([
{
'r_algorithm': '',
'r_coinname': 'Stox',
'r_fullname': 'Stox (STX)',
'r_fullypremined': 0,
'r_id': '204716',
'r_imageurl': '/media/1383946/stx.png',
'r_name': 'STX',
'r_preminedvalue': 0.0,
'r_prooftype': '',
'r_sortorder': 1431,
'r_sponsored': False,
'r_symbol': 'STX',
'r_url': '/coins/stx/overview'},
{
'r_algorithm': 'CryptoNight',
'r_coinname': 'ByteCoin',
'r_fullname': 'ByteCoin (BCN)',
'r_fullypremined': 0,
'r_id': '5280',
'r_imageurl': '/media/12318404/bcn.png',
'r_name': 'BCN',
'r_preminedvalue': 0.0,
'r_prooftype': 'PoW',
'r_sortorder': 249,
'r_sponsored': False,
'r_symbol': 'BCN',
'r_url': '/coins/bcn/overview'}])
assert_frame_equal(result.set_index(['r_id']).sort_index(),
expected_result.set_index(['r_id']).sort_index())