arbtrace_call

Executes the given call and returns a number of possible traces for it.

The arbtrace_call command allows users to execute a given transaction call while returning a number of likely traces for the call.

Parameters

1. Object - Call options, same as eth_call.

   • from: Address - (optional) 20 Bytes - The address the transaction is send from.

   • to: Address - (optional when creating new contract) 20 Bytes - The address the transaction is directed to.

   • gas: Quantity - (optional) Integer formatted as a hex string of the gas provided for the transaction execution. eth_call consumes zero gas, but this parameter may be needed by some executions.

   • gasPrice: Quantity - (optional) Integer formatted as a hex string of the gas price used for each paid gas.

   • value: Quantity - (optional) Integer formatted as a hex string of the value sent with this transaction.

   • data: Data - (optional) 4 byte hash of the method signature followed by encoded parameters. For details see Ethereum Contract ABI.

2. Array - Type of trace, one or more of: "vmTrace", "trace", "stateDiff".

3. Quantity or Tag - (optional) Integer of a block number, or the string 'earliest' or 'latest'.

Returns

• Array - Block traces

Example Request and Result for arbtrace_call

Request

curl https://arbitrum-one.blastapi.io/<project-id>
-X POST \
-H "Content-Type: application/json" \
-d '{"method":"arbtrace_call",
    "params":[{
    "from": null,
    "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
    "data": "0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"
    },["trace"], "latest"],
    "id":1,
    "jsonrpc":"2.0"}'

Result

{
    "jsonrpc": "2.0",
    "id": 1,
    "result": {
        "output": "0x",
        "stateDiff": null,
        "trace": [{
            "action": {
                "callType": "call",
                "from": "0x0000000000000000000000000000000000000000",
                "gas": "0x7fffffff",
                "input": "0x70a082310000000000000000000000006e0d01a76c3cf4288372a29124a26d4353ee51be",
                "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
                "value": "0x0"
            },
            "result": {
                "gasUsed": "0x0",
                "output": "0x"
            },
            "subtraces": 0,
            "traceAddress": [],
            "type": "call"
        }],
        "vmTrace": null,
        "destroyedContracts": null
    }
}