Skip to main content

How to trace what happened to your solver operation

Fastlane provides a query API for solvers to trace what happened to their solver operation. Results are cached for 1 hour.

URL​

https://solver-query-api-fra.fastlane-labs.xyz/

Example Request​

{
    "jsonrpc": "2.0",
    "id": "sample-id",
    "method": "solver_getSolverOperationResult",
    "params": [
        {
            "auctionId": "abcd-1234", // The auction id of the auction for which your solver operation was submitted
            "userOperationHash": "0x1234...", // The user operation hash of the user operation for which your solver operation was submitted
            "solverOperationFrom": "0xabcd...", // solverOperation.From of your solver operation (the signer)
            "signature": "0xabcd..." // ethereum signature (\"\x19Ethereum Signed Message:\n\" prefix) of `<auctionId>:<userOperationHash>:<solverOperationFrom>`
        }
    ]
}

Example Response​

{
    "jsonrpc": "2.0",
    "id": "sample-id",
    "result": {
        "auctionId": "abcd-1234",
        "solverOperationFrom": "0xabcd...",
        "result" : "included",
    }
}