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White Hat Frontrunning

White hat frontrunning script to outpace hackers and secure funds from compromised wallets. The (Bash) script is intentionally designed with minimal dependencies, requiring only the native tools provided by Linux and cast from Foundry.

Usage

Note

Ensure that cast is installed locally. For installation instructions, refer to this guide.

First, modify the main loop in the script. At present, it's set to send gas to a victim wallet and transfer a specific token. Since the main loop needs to be tailored for each rescue, please review and adjust it carefully.

Next, make the script executable:

chmod +x go.sh

Tip

The script is already set as executable in the repository, so you can run it immediately after cloning or pulling the repository without needing to change permissions.

Now it's time to configure the .env accordingly (this is an illustrative .env file):

Caution

The private keys below are placeholders and should never be used in a production environment!

PROVIDER_URL="https://rpc.flashbots.net"
RELAY_URL="https://relay.flashbots.net"
VICTIM_PK="0x1234567890"
GAS_PK="0x9876543210"
FLASHBOTS_SIGNATURE_PK="0x31337"
TOKEN_CONTRACT="0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"

Tip

When submitting bundles to Flashbots, they are signed with your FLASHBOTS_SIGNATURE_PK key, enabling Flashbots to verify your identity and track your reputation over time. This reputation system is designed to safeguard the infrastructure from threats such as DDoS attacks. It's important to note that this key does not handle any funds and is not required to be the primary Ethereum key used for transaction authentication. Its sole purpose is to establish your identity with Flashbots. You can use any ECDSA secp256k1 key for this, and if you need to create a new one, you can use cast wallet new.

Finally, execute the script:

./go.sh

To enable debug mode, set the DEBUG environment variable to true before running the script:

DEBUG=true ./go.sh

This will print each command before it is executed, which is helpful when troubleshooting.

Community Examples

Warning

I have reviewed these examples as part of the PR process, but they haven't been fully tested. Please ensure a thorough review before using them!

The community-examples/ directory contains customised versions of the primary go.sh script, tailored for a variety of rescue scenarios.