Ethereum Library: Generating HD Keys/Addresses in Python

As an Ethereum developer, you need a reliable way to generate high-quality HD keys and addresses for your projects. This article provides a Python library that meets your requirements.

Overview

The following library uses the Bitcoin Foundation’s “secp256k1” module to derive HD keys and addresses from private keys. It is designed to be fast, secure, and easy to use.

Installation

To install the library, run the following command:

pip install secp256k1-py

Usage

Create a new Python file (e.g. ethereum_utils.py) and import the library:

import secp256k1
def derive_hd_key(private_key):
"""
Derive the HD key from the private key.
Args:
private_key (bytes): the private key to derive from.
Returns:
bytes: the derived HD key.
"""
return secp256k1.derive_private_key(private_key)
def generate_address(hd_key, network):
"""
Generate an address from the HD key and the network.
Args:
hd_key (bytes): the HD key to use.
network (str): Ethereum network to use (e.g. "mainnet", "testnet").
Returns:
str: The generated address.
"""
return secp256k1.hodl(hd_key, network)

Example Usage

Here is an example of using the library:

import ethereum_utils

Generate a private key from a seed phrase
seed_phrase = "your_seed_phrase_here"
private_key = ethereum_utils.derive_hd_key.from_secret(seed_phrase)

Derive the HD key
hd_key = ethereum_utils.derive_hd_key(private_key)

Generate an address on the mainnet
address = ethereum_utils.generate_address(hd_key, "mainnet")
print (address)

Network-specific settings

The library uses “secp256k1” module for deriving HD keys and addresses. However, it also has some network-specific settings that you can use according to your needs.

• Generate test network addresses by setting network="testnet" in generate_address().

• Generate main network addresses by setting network="mainnet" in generate_address().

• You can also specify a specific network version (e.g. “mainnet-v1.0”) by passing it as an argument to the derive_hd_key()' andgenerate_address()’ functions.

Commit to a message

Follow these guidelines for your commit message:

• Use the present tense (e.g. “Add a library for generating HD keys/addresses”)

• Keep the message concise and descriptive

• Avoid using acronyms and abbreviations unless they are widely known in the community

Here is an example of a well-formed commit message:

git commit -m "Add a library for generating HD keys/addresses"

By following these guidelines, you can create a reliable and maintainable Python library that will allow you to generate high-quality HD keys and addresses for your Ethereum projects.

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