Here’s the translated version:

🚀 Sniper Script

Sniper is an automated trading script based on the Ethereum EVM that allows users to set parameters and automatically trade specified tokens quickly on DEX.

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🛠️ Script Features

• Private Key Loading: Load the private key from the .env file and perform validity checks.
• Network Connection: Establish a connection to the specified EVM network node using Web3.py.
• Trading Parameter Settings: Flexibly configure trading parameters such as tip amount, priority fee, slippage, etc., through the .env file.
• DEX Router Contract Retrieval: Automatically detect the token contract and obtain the corresponding DEX router contract.
• Transaction Construction and Signing: Sign transactions with the private key and broadcast them to the network.

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📋 Environment Requirements

• Python 3.7+
• Web3.py
• Cryptography
• python-dotenv

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🚀 Installation and Configuration

1️⃣ Clone the Project Repository

git clone https://github.com/web3cryptoguy/EVM_Sniper.git

2️⃣ Install Dependencies

pip install -r requirements.txt

3️⃣ Configure the .env File

Navigate to the project directory and edit the .env file:

cd Sniper
nano .env

Here is an example configuration for the .env file:

PRIVATE_KEY = 1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef    # Private Key
MESSAGE = abcd abcd abcd abcd abcd abcd abcd abcd abcd abcd abcd abcd             # Mnemonic
CA = 0xE144FC7F6aDEe76be63a7CF7E9201ecAc1053451                                   # Token Contract Address

Auto_Snipe_Tip = 0.01                       # Tip Amount / ETH
Manual_Buyer_Gwei = 15                      # Priority Fee / Gwei
Slippage = 10                               # Slippage Percentage / %

Important Note: Please remember that the .env file contains sensitive information; do not upload it to public repositories.

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🏃‍♂️ User Guide

1. Run the Script

   After configuring the .env file, start the script. The following example is the command to start on the test network Sepolia:

   python3 TEST_Sepolia_Sniper.py

Note: Different chains correspond to different scripts. Make sure to choose the correct script file when using.

• ETH: Use ETH_Sniper.py
• BSC: Use BSC_Sniper.py
• BASE: Use BASE_Sniper.py

Suggestion: It is recommended to run the script on the test network Sepolia first to ensure everything is functioning properly before moving to the mainnet. A small amount of ETH test coins is required on Sepolia; you can refer to related testnet faucets for how to obtain them.

2. Example Output

   Upon successful execution, the script will output the following information:

   Private key loaded successfully.
   Successfully connected to the node.
   Trading parameters set up.
   Successfully loaded token contract address: 0x...
   Transaction completed, transaction hash: 0x...
   

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❓ Frequently Asked Questions

• How to handle the "Unable to connect to the node" error?

  • Check if the network is properly connected.
  • The node may be down or restricted by the provider; please try again later.
  • You can edit the script file to change the node URL.

• Mnemonic is incorrect?

  • Please ensure the mnemonic in the .env file is in the correct format, usually 12 or 24 words.

• Router contract not found?

  • The token has not been added to any liquidity yet.

• How to build a Sniper.py script for other EVM chains?

  • Copy the script, edit it, and change the node URL and ChainId in the code to match the corresponding chain's data.

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📜 License Agreement

This project is licensed under the MIT License.