debug_traceCall

The method lets you run an eth_call within the context of the given block execution using the final state of parent block as the base.

Parameters:

Object - The transaction call object

• from: DATA, 20 Bytes - String of the address the transaction is sent from

• to: DATA, 20 Bytes - String of the address the transaction is directed to

• gas: QUANTITY - Integer of the gas provided for the transaction execution

• gasPrice: QUANTITY - Integer of the gasPrice used for each paid gas

• value: QUANTITY - Integer of the value sent with this transaction

• data: DATA - Hash of the method signature and encoded parameters. For details see Ethereum Contract ABI in the Solidity documentation

• QUANTITY|TAG - integer block number, or the string "latest"

Object - tracer

• tracer: string - the type of tracer. Currently supports callTracer and prestateTracer

Returns:

Array - Block traces

Example:

// Request
curl https://optimism.blockpi.network/v1/rpc/your-rpc-key -X POST -H "Content-Type: application/json" --data '{"method":"debug_traceCall","params": [{"to": "0xd46e8dd67c5d32be8058bb8eb970870f07244567"},"finalized",{"tracer": "callTracer"}],"id":1,"jsonrpc":"2.0"}'

// Result
{
    "jsonrpc": "2.0",
    "id": 1,
    "result": -
}