Celo API
Debug and trace
trace_replayBlockTransactions

trace_replayBlockTransactions - Celo

trace_replayBlockTransactions. Replays all transactions in a specified block and returns detailed trace information

trace_replayBlockTransactions - celo [Value: 90CU]
Replays all transactions in a specified block and returns detailed trace information for each transaction
Use cases

Use cases

  • Analyze execution trace of raw transactions
  • Debug smart contract interactions in raw transactions
  • Investigate gas usage within specific raw transactions
Constraints

Constraints

  • Requires accurate raw transaction encoding
  • Limited to nodes with tracing enabled
  • High resource usage for detailed trace analysis
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Language

Request
Examples
curl https://celo.drpc.org \
-X POST \
-H "Content-Type: application/json" \
-d '{"method":"trace_replayBlockTransactions","params":["0x2ed119",["trace"]],"id":1,"jsonrpc":"2.0"}'
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Response
200
{
  "jsonrpc": "2.0",
  "result": {
    "output": "0x",
    "stateDiff": null,
    "trace": [
      {
        "action": {
          "callType": "call",
          "from": "0x6f1fb6efdf50f34bfa3f2bc0e5576edd71631638",
          "gas": "0x1dcd11f8",
          "input": "0xa67a6a45000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000",
          "to": "0x1e0447b19bb6ecfdae1e4ae1694b0c3659614e4e",
          "value": "0x0"
        },
        "error": "Reverted",
        "subtraces": 0,
        "traceAddress": [],
        "type": "call"
      }
    ],
    "vmTrace": null
  },
  "id": 0
}
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Request params

idinteger
jsonrpcstring
methodstring
Parametersarray
array
toBlockstring
The block number or block hash to search up to
  • latest [default] - the blockchain's most recent block
  • safe - a block validated by the beacon chain
  • finalized - a block confirmed by over two-thirds of validators
  • earliest - the first or genesis block
  • pending - transactions broadcasted but not yet included in a block
traceTypestring
An array specifying the types of traces to include, such as "trace", "vmTrace", and "stateDiff".

Response

200
An array containing trace objects for each transaction in the block, detailing execution information

Response params

object
idinteger
jsonrpcstring
resultobject
object
actionobject
Contains details about the trace action.
object
callTypestring
The type of call.
fromstring
The sender's address.
tostring
The receiver's address.
valuestring
The value transferred in wei.
gasstring
The gas provided for the call.
inputstring
The data sent with the call.
blockHashstring
The hash of the block where the trace occurred.
blockNumberstring
The number of the block where the trace occurred.
resultstring
object
gasUsedstring
Gas used by the trace.
outputstring
Call output.
subtracesinteger
Number of subtraces created by this trace..
traceAddressarray_of_strings
Position of this trace in the call stack.
transactionHashstring
Hash of the transaction containing this trace.
transactionPositionstring
Transaction's position in the block.
vmTracestring
The virtual machine trace.
typestring
The type of trace.
trace_blocktrace_replayBlockTransactions#vmTrace