ETH submit arbOnly

The BackRunMe bundle submission system on Ethereum allows searchers that are part of the Backrunme program to submit arbitrage bundles referencing private transactions from the ETH arbOnlyMEV stream. These bundles must strictly backrun the target transaction (from the stream) and cannot be used for frontrunning.

Service available via Cloud API only.

API Endpoint

• Method: submit_arb_only_bundle

• Endpoint: Available only via backrunme.blxrbdn.com

REQUEST

Parameters

Parameter	Description
transaction_hash	Trigger transaction hash
transaction	A list of raw transaction bytes without a 0x prefix that are meant to immediately follow the trigger transaction.
block_number	Block number of a future block to include this bundle in, in hex value. For traders who would like more than one block to be targeted, please send multiple requests targeting each specific block.
min_timestamp	[Optional] the minimum timestamp that the bundle is valid on, an integer in unix epoch format. Default value is None.
max_timestamp	[Optional] the maximum timestamp that the bundle is valid on, an integer in unix epoch format. Default value is None.

Example

Cloud-API

curl https://backrunme.blxrbdn.com \
    --insecure \
    -X POST \
    -H "Content-Type: application/json" \
    -H "Authorization: <YOUR-AUTHORIZATION-HEADER>" \
    -d '{"method": "submit_arb_only_bundle", 
         "id": "1", 
         "params": {
            "transaction_hash": "01...02",
            "transaction": ["ab..ab", "cd..cd"],
            "block_number": "0xba10d0",
            "min_timestamp": 1616511391,
            "max_timestamp": 1617806320
         }
        }'
 

RESPONSE

Example

Cloud-API

{
    "jsonrpc": "2.0",
    "id": "1",
    "result": {
        "bundleHash": "0x19..d0"
    }
}