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Aave V3 Liquidator

This is an Artemis bot that liquidates aave v3 positions on base chain

Getting Started

  1. Install Rust ref

    • Install deps: sudo apt install -y build-essential libssl-dev (Linux) or xcode-select --install (Mac)

  2. Install Foundry ref

  3. Deploy liquidator contract

cd crates/liquidator-contract
forge install
forge create ./src/Liquidator.sol:Liquidator --private-key <xyz> --rpc-url <xyz>
  1. Build Rust Application

a. cd to root of project

b. (if not cross compiling) Compile binary for host arch:

cargo build --release

c. (if cross compiling) Compile binary on Mac for Linux: Cross is a tool developed by Rust devs to simplify cross compilation (compiling on one machine architecture for another architecture, e.g.: compile binary on mac for running on a linux machine). Make sure to install from github repo not latest release in cargo (it's quite outdated). Github link

If you are using an ARM based Mac (e.g.: M1), you need to set DOCKER_DEFAULT_PLATFORM env to linux/amd64

cargo install cross --git https://github.com/cross-rs/cross
DOCKER_DEFAULT_PLATFORM=linux/amd64 cross build --target x86_64-unknown-linux-gnu --release

d. Copy (scp) binary to liquidator host

  1. Run liquidator ./target/release/aave-v3-liquidator --rpc <xyz> --private-key <xyz> --bid-percentage 100 --deployent seashell --liquidator-address <xyz>

Re-generate Contract Bindings

Liquidator

forge bind --bindings-path ./crates/bindings-liquidator --root ./crates/liquidator-contract --crate-name bindings-liquidator --overwrite

Aave

forge bind --bindings-path ./crates/bindings-aave --root {path to aave-v3-core} --crate-name bindings-aave --overwrite