trace_replayTransaction

POST

/{apiKey}

Traces a call to eth_sendRawTransaction without executing it, returning the traces.

Path Parameters

apiKeystringrequireddefaults to docs-demo

For higher throughput, create your own API key

Request

transactionHashstringformat: "^0[xX][0-9A-Fa-f]{64}$"required

Transaction hash of the raw transaction to be replayed.

traceTypesenum[]requireddefaults to trace

Array of trace types to return. Valid values include "trace" and "stateDiff".

Defaults to ["trace"].

Responses

200

Returns the trace result from replaying the transaction.

POST/v2/{apiKey}

curl --request POST \  --url https://eth-mainnet.g.alchemy.com/v2/docs-demo \  --header 'Content-Type: application/json' \  --data '{  "jsonrpc": "2.0",  "id": 1,  "method": "trace_replayTransaction",  "params": [    "0x02d4a872e096445e80d05276ee756cefef7f3b376bcec14246469c0cd97dad8f",    [      "trace"    ]  ]}'

200Success

{  "jsonrpc": "2.0",  "id": 1,  "result": {    "jsonrpc": "2.0",    "id": 0,    "result": {      "output": "0x",      "stateDiff": null,      "trace": [        {          "name": "trace item",          "value": {            "action": {              "callType": "call",              "from": "0x6f1fb6efdf50f34bfa3f2bc0e5576edd71631638",              "gas": "0x1dcd11f8",              "input": "0xa67a6a45000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000",              "to": "0x1e0447b19bb6ecfdae1e4ae1694b0c3659614e4e",              "value": "0x0"            },            "result": {              "gasUsed": "0x0",              "output": "0x"            },            "subtraces": 0,            "traceAddress": [],            "transactionHash": "0x02d4a872e096445e80d05276ee756cefef7f3b376bcec14246469c0cd97dad8f",            "transactionPosition": 0,            "type": "call"          }        }      ],      "vmTrace": null    }  }}

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