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backrunner

  • This repo containing code for a simple DEX backrunner arbitrage bot. For simplicity this only looks for uniswaprouter02 trade.
  • This can be improved by adding more different trades

Blue print

  • Design blueprint is attached here

Architecture diagram

plot

Pre requisites

  • Go 1.19
  • Ubuntu 20.04 (any linux based distros) / OSX

Build & Run

  • Application can be built and initiated by using Makefile.
  • Make sure to cd to project folder.
  • Run the below commands in the terminal shell.
  • Make sure to run Pre-run and Go path is set properly

Pre-run

make mod
make lint

How to run unit test

make test

How to run build

make build

How to run

  • configure .env.example
    ETH_CLIENT_WSS_URL - ETH websocket client 
    FLASHBOTS_RELAY_URL - Flashbots bundle relay url
    BUNDLE_SINGING_KEY -  private key for signing flashbots bundle 
    SENDER_SINGING_KEY - private key for signing transaction
  • source your env file
  • then start the server as go run cmd/api/main.go

Run as docker container

make docker-image
make docker-run
  • Note:Make sure to update the .env.example file before running as docker container

Warning This is just a protype. Running a mempool backrunner can be risky. There are poison tokens that drain your liquidity when you trade them. See salmonella for an example.