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BackRunMe: Bundle Simulation

REQUEST

Method: simulate_arb_only_bundle
Simulate the execution of an MEV bundle that uses private transactions from the arbOnlyMev transactions stream.
The simulate_arb_only_bundle is a cloud-api request and it is only available at a single cloud api pointed by DNS name backrunme.blxrbdn.com .
Follow the BackRunMe program rules for the arbitrage profit distribution guidelines.

Parameters

Parameter
Description
transaction_hash
Trigger private transaction hash.
transaction
A list of raw transaction bytes without a 0x prefix that are meant to immediately follow the trigger private transaction.
block_number
Block number of a future block to include this bundle in, in hex value.
state_block_number
[Optional] Block number used as the base state to run a simulation on. Valid inputs include hex value of block number, or tags like “latest” and “pending”. Default value is “latest”.
timestamp
[Optional] Simulation timestamp, 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": "simulate_arb_only_bundle",
"id": "1",
"params": {
"transaction_hash": "ab..ab"
"transaction": ["cd..cd", "ef..ef"],
"block_number": "0xba10d0",
"state_block_number": "latest",
"timestamp": 1617806320
}
}'

RESPONSE

Example

Cloud-API
{
"jsonrpc": "2.0",
"id": "1",
"result": {
"bloxrouteDiff": "10000",
"bundleGasPrice": "20000000000",
"bundleHash": "0x11aa...",
"ethSentToCoinbase": "150000000000000000",
"gasFees": "840000000000000",
"minerDiff": "100000",
"results": [
{
"gasUsed": 21000,
"txHash": "0xaac...",
"value": "0x..."
},
{
"gasUsed": 21000,
"txHash": "0xaad...",
"value": "0x..."
},
{
"gasUsed": 21000,
"txHash": "0x123...",
"value": "0x..."
}
],
"senderDiff": "50000",
"stateBlockNumber": 12188038,
"totalGasUsed": 42000,
"status": good // indicates that the profit distribution is acceptable
}
}