11 Feb Ethereum: Determine address balance using bitcoin core

Computing Ethereum Address Balances with Bitcoin Core

As a developer working with blockchain technologies, understanding how to interact with various wallets and APIs is crucial for building secure and reliable applications. In this article, we will explore how to compute Ethereum address balances using the Bitcoin Core (BTC) API.

Why Use BTC API?

The Bitcoin Core API provides a convenient way to retrieve data from the Bitcoin network without needing to establish a direct connection to the blockchain or use a third-party library. This approach simplifies development and reduces the risk of dependency on external services.

Step by Step Solution:

To compute an Ethereum address balance using BTC API, follow these steps:

• Set up Bitcoin Core: Install and configure Bitcoin Core on your machine. You can download it from the official website [www.bitcoinc.org](

• Install the bitcoin-core package: Add the bitcoin-core package to your project by running the following command:

pip install bitcoin core

• Import the required libraries and API keys:

Import the necessary libraries, including BitcoinCore from Bitcoin Core’s Python SDK, as well as your Ethereum wallet key (ECDSA private key).

from bitcoincore import Client



Replace with your own Ethereum wallet private key

wallet_private_key = "your_ethereum_private_key"

• Create a client instance: Create an instance of the BitcoinCore client.

client = BitcoinCore(wallet_private_key)

• Define a function to compute address balance

  

  :

Define a function that takes an Ethereum address as input and its returns balance.

def get_address_balance(address):

    try:

        
Call the RPC API to retrieve address metadata

        data = client.get_data("getaddressbalance", address)

        

        
Parse the response from the API

        balance = int(data["balance"])

        

        return balance

    

    except Exception as e:

        print(f"Failed to compute balance: {e}")

Example Use Case

To demonstrate how to use this function, let’s say you have an Ethereum address 0x1234567890abcdef, and you want to retrieve its balance. Replace the wallet private key with your own ECDSA private key:

wallet_private_key = "your_ethereum_private_key"

address = "0x1234567890abcdef"


balance = get_address_balance(address)

print(f"Address Balance: {balance}")

Conclusion

By following these steps, you can easily compute Ethereum address balances using the Bitcoin Core API. This approach provides a convenient way to retrieve data from the Bitcoin network without requiring direct connectivity to the blockchain or relying on external libraries. For further development and customization, consult the official Bitcoin Core documentation [ for more information.

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