Files
bitfinex-api-py/bfxapi/rest/BfxRest.py
2018-12-03 14:41:30 +00:00

73 lines
2.6 KiB
Python

import asyncio
import aiohttp
import time
import json
from ..utils.CustomLogger import CustomLogger
from ..utils.auth import generate_auth_headers
from ..models import Wallet
class BfxRest:
def __init__(self, API_KEY, API_SECRET, host='https://api.bitfinex.com/v2', loop=None,
logLevel='INFO', *args, **kwargs):
self.loop = loop or asyncio.get_event_loop()
self.API_KEY = API_KEY
self.API_SECRET = API_SECRET
self.host = host
self.logger = CustomLogger('BfxRest', logLevel=logLevel)
async def fetch(self, endpoint):
url = '{}/{}'.format(self.host, endpoint)
async with aiohttp.ClientSession() as session:
async with session.get(url) as resp:
text = await resp.text()
if resp.status is not 200:
raise Exception('GET {} failed with status {} - {}'
.format(url, resp.status, text))
return await resp.json(text)
async def post(self, endpoint, data={}):
url = '{}/{}'.format(self.host, endpoint)
sData = json.dumps(data)
headers = generate_auth_headers(
self.API_KEY, self.API_SECRET, endpoint, sData)
headers["content-type"] = "application/json"
async with aiohttp.ClientSession() as session:
async with session.post(url, headers=headers, data=sData) as resp:
text = await resp.text()
if resp.status is not 200:
raise Exception('POST {} failed with status {} - {}'
.format(url, resp.status, text))
return await resp.json()
async def get_seed_candles(self, symbol):
endpoint = 'candles/trade:1m:{}/hist?limit=5000&_bfx=1'.format(symbol)
time_difference = (1000 * 60) * 5000
# get now to the nearest min
now = int(round((time.time() // 60 * 60) * 1000))
task_batch = []
for x in range(0, 10):
start = x * time_difference
end = now - (x * time_difference) - time_difference
e2 = endpoint + '&start={}&end={}'.format(start, end)
task_batch += [asyncio.ensure_future(self.fetch(e2))]
self.logger.info("Downloading seed candles from Bitfinex...")
# call all fetch requests async
done, _ = await asyncio.wait(*[ task_batch ])
candles = []
for task in done:
candles += task.result()
candles.sort(key=lambda x: x[0], reverse=True)
self.logger.info("Downloaded {} candles.".format(len(candles)))
return candles
##################################################
# Wallets #
##################################################
async def get_wallets(self):
endpoint = "auth/r/wallets"
raw_wallets = await self.post(endpoint)
return [ Wallet(rw[0], rw[1], rw[2], rw[3]) for rw in raw_wallets ]