POST
/
2fc1de7f08c0465f6a28e3c355e0cb14
debug_traceTransaction
curl --request POST \
  --url https://base-mainnet.core.chainstack.com/2fc1de7f08c0465f6a28e3c355e0cb14 \
  --header 'Content-Type: application/json' \
  --data '{
  "jsonrpc": "2.0",
  "method": "debug_traceTransaction",
  "id": 1,
  "params": [
    "0x317888c89fe0914c6d11be51acf758742afbe0cf1fdac11f19d35d6ed652ac29"
  ]
}'
{
  "jsonrpc": "<string>",
  "id": 123,
  "result": {
    "structLogs": [
      {}
    ],
    "gas": 123,
    "returnValue": "<string>",
    "gasUsed": 123,
    "failed": true
  }
}
The debug_traceTransaction RPC method retrieves a detailed execution trace of a transaction, identified by the transaction’s hash. This method is crucial for developers and analysts who need to understand the execution flow of a transaction, including all the operations (opcodes) executed, gas usage, and the transaction’s outcome.
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Request

To use debug_traceTransaction, send a POST request with a JSON RPC call in the body.

​
Parameters

  • Transaction Hash (string): The hash of the transaction to trace.

​
Response

The response includes a detailed execution trace of the transaction, providing insights into each step of the transaction’s execution.
  • result (object): The detailed execution trace, including:
    • structLogs (array): An array of execution steps (opcodes) taken by the transaction.
    • gas (integer): The gas provided by the transaction.
    • returnValue (string): The return value of the transaction, if any.
    • gasUsed (integer): The total gas used by the transaction.
    • failed (boolean): Indicates whether the transaction failed.

​
Use case

The debug_traceTransaction method is essential for:
  • Developers debugging smart contract interactions.
  • Analysts conducting forensic analysis of transactions.
  • Tools and services that provide insights into Ethereum Virtual Machine (EVM) execution.

Body

application/json

Response

200 - application/json

Detailed execution trace of the specified transaction

The response is of type object.