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Library to interact with firefly exchange protocol including its off-chain api-gateway and on-chain contracts

Project description

Firefly Client Library

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GitHub Workflow Status (with branch) pypi version License

Python Client for the Firefly Exchange API and Smart Contracts. ​

Install

The package can be installed from PyPi using pip:

pip install firefly-exchange-client

The package currently supports python >=3.8. Find complete documentation on the library at https://docs.firefly.exchange/.

Getting Started

When initializing the client, users must accept terms and conditions and define network object containing the following values:

{
    "url": "https://goerli-rollup.arbitrum.io/rpc",
    "chainId": 421613,
    "apiGateway": "https://dapi-testnet.firefly.exchange",
    "socketURL": "wss://dapi-testnet.firefly.exchange",
    "webSocketURL": "",
    "onboardingUrl": "https://testnet.firefly.exchange",
},

Users can import predefined networks from constants:

from constants import Networks

For testing purposes use Networks[TESTNET_ARBITRUM] and for production please use Networks[MAINNET_ARBITRUM] ​ ​

from firefly_exchange_client import FireflyClient
from constants import Networks
from pprint import pprint
import asyncio

# initialize client
client = FireflyClient(
      True, # agree to terms and conditions
      Networks["TESTNET_ARBITRUM"], # network to connect with e.g. TESTNET_ARBITRUM | MAINNET_ARBITRUM
      "0x.....", # PK for the account
      True, # on boards user on firefly. Must be set to true for first time use
      )

print('Account Address:', client.get_public_address());

# # gets user account data on-chain
# if running in async method
data = await client.get_user_account_data() 
# if running in a sync method
# data = asyncio.run(client.get_user_account_data())

pprint(data)

Placing Orders:

from firefly_exchange_client import FireflyClient
from constants import Networks
from enumerations import MARKET_SYMBOLS, ORDER_SIDE, ORDER_TYPE
from interfaces import OrderSignatureRequest
import asyncio

# initialize
client = FireflyClient(....) 

# creates a LIMIT order to be signed
signature_request = OrderSignatureRequest(
    symbol=MARKET_SYMBOLS.ETH,  # market symbol
    price=0,  # price at which you want to place order
    quantity=0.01, # quantity
    side=ORDER_SIDE.BUY, 
    orderType=ORDER_TYPE.MARKET,
    leverage=user_leverage
)  

# create signed order
signed_order = client.create_signed_order(signature_request);

print("Placing a market order")
# place signed order on orderbook
resp = await client.post_signed_order(signed_order)

# returned order with PENDING state
print(resp)

Listening To Events:

from firefly_exchange_client import FireflyClient
from constants import Networks
from enumerations import MARKET_SYMBOLS, ORDER_SIDE, ORDER_TYPE
from interfaces import OrderSignatureRequest

def callback(event):
    print("Event data:", event)

# initialize
client = FireflyClient(....) 

# make connection with firefly exchange
await client.socket.open()

# subscribe to local user events
await client.socket.subscribe_user_update_by_token()

# listen to user order updates and trigger callback
await client.socket.listen(SOCKET_EVENTS.ORDER_UPDATE.value, callback)

#
# place some orders to exchange, that will trigger callback
# resp = client.post_signed_order(signed_order)
#

time.sleep(10)

# unsubscribe from user events
await client.socket.unsubscribe_user_update_by_token()

# close socket connection
await client.socket.close()

Look at the example directory to see more examples on how to use this library.

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