The debug_traceCall method executes a call without creating a transaction on the blockchain and returns the trace of the call execution on the Optimism network. This method simulates a transaction call and provides detailed execution traces, including opcode-level information, gas usage, and state changes. It's invaluable for debugging smart contract interactions, optimizing gas consumption, and understanding transaction behavior before actually sending a transaction to the network.

Parameters

parameter	type	description
transaction	object (required)	The transaction call object containing from, to, gas, gasPrice, value, and data fields
blockParameter	string (required)	Block number or tag (latest, earliest, pending)
traceConfig	object (optional)	Configuration object for tracing (optional: tracer, timeout, disableStorage, disableStack, etc.)

Return Object

The method returns detailed trace information about the call execution, including gas used, opcodes executed, and state changes.

Request Example

Request

Response Example

Response

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