Crypto.com websocket api client
Project description
Crypto.com websocket api client
This is a low level api client, it just connects the exchange api with your python code in the most simple way. Over
this library, you can build your awesome applications or high level api.
For more information, check the library documentation, the official documentation and the examples
directory.
Features
This library is optimized to be small, fast and secure.
- Fully tested: 100% code coverage
- Simple: It just does one thing, but it does it right
- Fast: Relies on asyncio so latency and memory usage is near zero (much better than threading or multiprocessing)
- No forced dependencies: Just
websockets
andorjson
. No super modern cool features that you probably don't want
Getting started
There are two kinds of apis
, the user
and market
.
The user
type requires providing api credentials (access and secret key)
Before using the library, you have to install it:
pip install crypto_com_client
The most simple example, subscribing to an orderbook
:
from crypto_com.crypto_com import MarketClient
import asyncio
import logging
logging.basicConfig(level=logging.INFO)
async def run():
async with MarketClient() as client:
await client.subscribe(["book.CRO_USDC.10"])
while True:
event = await client.next_event()
print(event)
if __name__ == "__main__":
loop = asyncio.get_event_loop()
loop.run_until_complete(run())
If you want to use the user
api first get you api key
and secret
.
from crypto_com import UserClient
import asyncio
import os
import logging
logging.basicConfig(level=logging.INFO)
async def run():
async with UserClient(
api_key=os.environ["API_KEY"],
api_secret=os.environ["API_SECRET"]
) as client:
await client.send(
client.build_message(
method="private/get-open-orders",
params={
"instrument_name": "CRO_USDC",
"page_size": 10,
"page": 0
}
)
)
event = await client.next_event()
print(event)
if __name__ == "__main__":
loop = asyncio.get_event_loop()
loop.run_until_complete(run())
With these two examples you can use the whole api. Just check the API documentation to know the different methods and parameters.
Contributing
If you have any suggestion, detect any bug or want any feature, please open an issue
so we can discuss it.
Tests
To run the tests just run tox
It will run in first instance flake8
, then pylint
and finally pytest
with code coverage check.
The only rule ignored is max-line-length=120
basically because nowadays monitors are big enough for this.
Websockets import has E0611 disabled because pylint does not process __all__
correctly
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