trace_block

curl --request POST \
  --url https://api.uniblock.dev/uni/v1/json-rpc?chainId=33139 \
  --header 'content-type: application/json' \
  --data '{
    "id": 1,
    "jsonrpc": "2.0",
    "method": "trace_block",
    "params": [
      "0x2ed119"
    ]
  }'

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": [
    {
      "action": {
        "callType": "call",
        "from": "0xaa7b131dc60b80d3cf5e59b5a21a666aa039c951",
        "gas": "0x0",
        "input": "0x",
        "to": "0xd40aba8166a212d6892125f079c33e6f5ca19814",
        "value": "0x4768d7effc3fbe"
      },
      "blockHash": "0x7eb25504e4c202cf3d62fd585d3e238f592c780cca82dacb2ed3cb5b38883add",
      "blockNumber": 3068185,
      "result": {
        "gasUsed": "0x0",
        "output": "0x"
      },
      "subtraces": 0,
      "traceAddress": [],
      "transactionHash": "0x07da28d752aba3b9dd7060005e554719c6205c8a3aea358599fc9b245c52f1f6",
      "transactionPosition": 0,
      "__truncated": true
    }
  ]
}

Parameters

string

default:"33139"

required

Unique identifier for a blockchain network.

number

default:1

required

Request identifier used to match responses.

string

default:"2.0"

required

JSON-RPC version.

string

default:"trace_block"

required

JSON-RPC method name.

object

default:["0x2ed119"]

required

Parameters for trace_block method: [defaultBlock]Positional parameters for trace_block:

params[0]: Integer block number.
params[1]: Block tag: “earliest”, “latest”, or “pending”.

Returns

array

Array - Block traces.

Show items

object

Single block-level trace result.

Show properties

object

Details of the action performed (e.g., call, create, suicide).

Show properties

string

Type of call (e.g., call, delegatecall, staticcall, etc.).

string

Address that initiated the action.

string

Recipient address (if applicable).

string

Input data sent along with the call.

string

Value transferred in Wei.

string

Contract creation code (only for create).

string

Contract address created or affected.

string

Balance involved in suicide actions.

object

Result of the action (if successful).

Show properties

string

Gas used for this action.

string

Returned data (if any).

string

Deployed contract code (if applicable).

string

Address created (for contract creations).

integer

Number of nested trace steps inside this one.

array

Path to this trace in nested trace structure.

Show items

integer

string

Type of trace (e.g., call, create, suicide).

string

Error message if the trace step failed.

curl --request POST \
  --url https://api.uniblock.dev/uni/v1/json-rpc?chainId=33139 \
  --header 'content-type: application/json' \
  --data '{
    "id": 1,
    "jsonrpc": "2.0",
    "method": "trace_block",
    "params": [
      "0x2ed119"
    ]
  }'

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": [
    {
      "action": {
        "callType": "call",
        "from": "0xaa7b131dc60b80d3cf5e59b5a21a666aa039c951",
        "gas": "0x0",
        "input": "0x",
        "to": "0xd40aba8166a212d6892125f079c33e6f5ca19814",
        "value": "0x4768d7effc3fbe"
      },
      "blockHash": "0x7eb25504e4c202cf3d62fd585d3e238f592c780cca82dacb2ed3cb5b38883add",
      "blockNumber": 3068185,
      "result": {
        "gasUsed": "0x0",
        "output": "0x"
      },
      "subtraces": 0,
      "traceAddress": [],
      "transactionHash": "0x07da28d752aba3b9dd7060005e554719c6205c8a3aea358599fc9b245c52f1f6",
      "transactionPosition": 0,
      "__truncated": true
    }
  ]
}

web3_sha3

trace_call

⌘I

Getting started

API Reference

Parameters

Returns

​Parameters

​Returns

Parameters

Returns