Api Development Tutorials, Guides & Insights

• Etherscan: Use to fetch transaction history and display it in your dApp.
• Infura: Use to allow users to send transactions or interact with smart contracts.

Etherscan and Infura serve different purposes in the Ethereum ecosystem. Etherscan is perfect for applications that need to query blockchain data, while Infura is essential for real-time interaction with the blockchain. By understanding the strengths of each, you can choose the best service for your project, or even combine them to build powerful Ethereum applications.

ثم قم بترحيل البيانات الخاصة بـ Passport:

بعد ذلك، قم بتثبيت مفاتيح التشفير التي يستخدمها Passport:

Migrations in Laravel allow you to define and modify your database schema. Let's create a migration for a posts table:

php artisan make:migration create_posts_table

You can set a stop-loss order when opening a position or on an existing position:

   def place_stop_loss(symbol, side, qty, stop_price):
       response = session.place_active_order(
           symbol=symbol,
           side=side,
           order_type='Market',
           qty=qty,
           stop_loss=stop_price,
           time_in_force='GoodTillCancel'
       )
       if response['ret_code'] == 0:
           print(f"Stop-loss set at {stop_price} for {symbol}")
       else:
           print(f"Error setting stop-loss: {response['ret_msg']}")
       return response

   place_stop_loss('BTCUSD', 'Buy', 0.01, 29000)  # Buy 0.01 BTC with stop-loss at $29,000

One of the most common uses of exchange APIs is to fetch real-time market data. Let's start by retrieving the current price of a trading pair.

Use the following code to fetch the latest price of BTC/USD: