MEV Template

Designed by DeGatchi.

Bootstrap your MEV bot strategies with a simple boilerplate to build on top of.

How To Use This Template

I wrote an article How To Build A MEV Bot that explains the overall architecture you need to think of to build a bot - from getting a strategy and fetching data to general tips on design structure (that you most likely wont find anywhere else).

I've built out a fair few foundational features that you can customsie to your liking. Whether your strategy utilises a mempool scanner, next block strategy, event streaming, this repo lays the basics out so you don't need to copy and paste your bots for new strategies. s Majority of these features can be expanded upon to become much more comprehensive, however it's not wise to open source it since your competition will either use it/know how advance your system is ;)

Having said that, the aim of this was to create something to help people that are struggling to get into MEV. Despite it being a highly competitive field where this repo would enhance/onboard new competitors, I wanted to give people that are in the same position as I once was a chance to break into the field. It's a cold world out there in MEV-land but hopefully this will give you that inspiration you need to keep pushing forward <3

Quick Start

Get a node from QuickNode as they have a free websocket option or you can run your own node.
Import your EOA priv key for the bot to execute transactions.
Add your discord websocket to send alerts to.
For testing, run cargo run
For production, run cargo run --release

Features

This repo comes with the following features implemented.

Mempool Monitoring Example

---------- MONITORING MEMPOOL ----------
Transaction: Transaction {
    hash: 0xcb3647deb3b7ada364a6643752bf9243b27e84cea78cc0010d26fa3ae52b5e13,
    nonce: 22387,
    block_hash: None,
    block_number: None,
    transaction_index: None,
    from: 0xe88102f2900483c63d0adcdaf4839c2759949de6,
    to: Some(
        0x16327e3fbdaca3bcf7e38f5af2599d2ddc33ae52,
    ),
    value: 9024569904524523678,
    gas_price: Some(
        120000000000,
    ),
    gas: 1000000,
    input: Bytes(
        b"\x7f\xf3j\xb5\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\x10\xbbdEK\xa0[\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\x80\0\0\0\0\0\0\0\0\0\0\0\0\xe8\x81\x02\xf2\x90\x04\x83\xc6=\n\xdc\xda\xf4\x83\x9c'Y\x94\x9d\xe6\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\x02\xf0\\\x10\xa0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\x02\0\0\0\0\0\0\0\0\0\0\0\0!\xbe7\rS\x12\xf4L\xb4,\xe3w\xbc\x9b\x8a\x0c\xef\x1aL\x83\0\0\0\0\0\0\0\0\0\0\0\0\xbeAw%\x87\x87*\x92\x18Hs\xd5[\t\xc6\xbboY\xf8\x95",
    ),
    v: 535,
    r: 44692797049587778392645963656820336298473713424700451186489839760496971858835,
    s: 36641529939556041694165250732768051817286656083457538183752182129357071704354,
    transaction_type: Some(
        0,
    ),
    access_list: None,
    max_priority_fee_per_gas: None,
    max_fee_per_gas: None,
    chain_id: None,
    other: OtherFields {
        inner: {},
    },
}
Router Call: SwapExactETHForTokens(
    SwapExactETHForTokensCall {
        amount_out_min: 4709638961078363,
        path: [
            0x21be370d5312f44cb42ce377bc9b8a0cef1a4c83,
            0xbe41772587872a92184873d55b09c6bb6f59f895,
        ],
        to: 0xe88102f2900483c63d0adcdaf4839c2759949de6,
        deadline: 12622500000,
    },
)

Testing Onchain Data

Setting up environment:

Install python3: pip install.
Install modules: pip install web3.
Run: python3 block_history.py.

5 main components to consider:

provider: Which chain is being utilised.
abi: The contract interface to interact with.
block: Which mined block you're calling from (can be past block).
contract address: Contract address to call.
function call: Function to call from the contract address.

License

dlydiard/mev-template-rs

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