Python Rest Client for Delta Api

Delta Exchange is a crypto derivatives exchange where you can trade bitcoin, ethereum, ripple futures upto 100x leverage. This package is a wrapper around rest apis of Delta Exchange. User Guide - https://www.delta.exchange/user-guide API Documentation - https://docs.delta.exchange

Please read the Changelog before using this package.

Get started

1. Create an account on Testnet-India: https://testnet.delta.exchange/
   For non-Indian customers use Testnet-Global: https://testnet-global.delta.exchange/
2. Install the package:

   pip install delta-rest-client
   

3. Follow the below snippet to trade on testnet:

from delta_rest_client import DeltaRestClient

delta_client = DeltaRestClient(
  base_url='https://cdn-ind.testnet.deltaex.org',
  api_key='',
  api_secret=''
)

base_url for different environments:
Production-India : https://api.india.delta.exchange
(Site at: https://india.delta.exchange/)

Testnet-India : https://cdn-ind.testnet.deltaex.org
(Site at: https://testnet.delta.exchange/)

Production-Global : https://api.delta.exchange
(Site at: https://www.delta.exchange/)

Testnet-Global : https://testnet-api.delta.exchange
(Site at: https://testnet-global.delta.exchange/)

4. Get json list of available contracts to trade from given url and note down the product_id and asset_id, as it will be used in most of the api calls.

Methods

Get Assets

Get list of assets supported on Delta.

response = delta_client.get_assets()

Get Product Detail

Get product detail of current product. See sample response

product = delta_client.get_product(product_id) # Current Instrument
settling_asset = product['settling_asset'] # Currency in which the pnl will be realised

Get Ticker Data

See sample response

response = delta_client.get_ticker(symbol)

Get Orderbook

Get level-2 orderbook of the product. See sample response

response = delta_client.get_l2_orderbook(product_id)

Open Orders

Get open orders. Authorization required. See sample response

orders = delta_client.get_live_orders()

Place Order

Create a new market order or limit order. Authorization required. See sample response

order_response = delta_client.place_stop_order(
        product_id=product_id,
        size=10,
        side='sell',
				limit_price='7800',
        order_type=OrderType.LIMIT,
     		time_in_force=TimeInForce.FOK
        reduce_only='false'
    )

Place Stop Order

Add stop loss or trailing stop loss. Authorization required. See sample response

# Trailing Stop loss
order_response = delta_client.place_stop_order(
        product_id=product_id,
        size=10,
        side='sell',
				limit_price='7800',
        order_type=OrderType.LIMIT,
        trail_amount='20',
        isTrailingStopLoss=True
    )

# Stop loss
order_response = delta_client.place_stop_order(
        product_id=product_id,
        size=10,
        side='sell',
        order_type=OrderType.MARKET,
        stop_price='8010.5',
    )

Cancel Order

Delete open order. Authorization required. See sample response

cancel_response = delta_client.cancel_order(product_id, order_id)

Batch Create Orders

Create multiple limit orders. Max number of order is 5. Authorization required. See sample response

response = delta_client.batch_create(product_id, orders)

Batch Cancel Orders

Cancel multiple open orders. Max number of order is 5. Authorization required. See sample response

response = delta_client.batch_cancel(product_id, orders)

Change Order Leverage

Change leverage for new orders. Authorization required. See sample response

response = delta_client.set_leverage(product_id, leverage)

Open Position

Current open position of product. Authorization required. See sample response

response = delta_client.get_position(product_id)

Change Leverage Positions

Change leverage for open position by adding or removing margin to an open position. Authorization required. See sample response

response = delta_client.change_position_margin(product_id, margin)

Get Wallet Balances

Get user's balance. Authorization required. See sample response

response = delta_client.get_balances(asset_id)

Order History

query = { "product_id": 27 }
response = delta_client.order_history(query, page_size=100)
old_orders = response['result']
after_cursor_for_next_page = response["meta"]["after"]
more_orders = delta_client.order_history(query, page_size=100, after=after_cursor_for_next_page)

Fills

Get fill history of your orders

query = { "contract_types": "futures,interest_rate_swaps" }
response = delta_client.fills(query, page_size=100)

fills = response['result']
after_cursor_for_next_page = response["meta"]["after"]
more_fills = delta_client.fills(query, page_size=100, after=after_cursor_for_next_page)