simulate-mempool-transaction

Simulate Mempool Transaction Extension

This extension simulates transaction that is in the mempool.

Installation

Go to the Extensions Library and search for "Simulate Mempool Transaction". Click on the extension and click "Activate".

Usage

Go to JSON-RPC Request Builder and select "Simulate Mempool Transaction" from the dropdown menu. You can then enter the JSON payload and click "Send Request".

Method

extension_simulateMempoolTransaction

Request

Parameters

1. DATA, 32 Bytes - the transaction hash.

Example:

{
  "id": "1",
  "jsonrpc": "2.0",
  "method": "extension_simulateMempoolTransaction",
  "params": ["e00e63a38f50e5effce7d5546e7a7e62312468a74a179bace67ff1d82c029366"]
}

Response

See results from tenderly_simulateTransaction - https://docs.tenderly.co/web3-gateway/references/simulate-json-rpc

Example:

{
  "id":0,
  "jsonrpc": "2.0",
  "result": {
    "status": true,
    "gasUsed": "0xc94e",
    "cumulativeGasUsed": "0x0",
    "blockNumber": "0x103de41",
    "type": "0x0",
    "logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000800000000000000000000002000000080000000000000000000000000000000000000000000008000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000010000000000000004000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000020000000000000000000000000000000000200000800000000000000000000000000000000000000000000000000000",
    "logs": [
      {
        "name": "Transfer",
        "anonymous": false,
        "inputs": [
          {
            "value": "0xd8da6bf26964af9d7eed9e03e53415d37aa96045",
            "type": "address",
            "name": "src"
          },
          {
            "value": "0x20a5814b73ef3537c6e099a0d45c798f4bd6e1d6",
            "type": "address",
            "name": "dst"
          },
          {
            "value": "1",
            "type": "uint256",
            "name": "wad"
          }
        ],
        "raw": {
          "address": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
          "topics": [
            "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef",
            "0x000000000000000000000000d8da6bf26964af9d7eed9e03e53415d37aa96045",
            "0x00000000000000000000000020a5814b73ef3537c6e099a0d45c798f4bd6e1d6"
          ],
          "data": "0x0000000000000000000000000000000000000000000000000000000000000001"
        }
      }
    ],
    "trace": [
      {
        "type": "CALL",
        "from": "0xd8da6bf26964af9d7eed9e03e53415d37aa96045",
        "to": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
        "gas": "0x5f58cbc",
        "gasUsed": "0x750a",
        "value": "0x0",
        "input": "0xa9059cbb00000000000000000000000020a5814b73ef3537c6e099a0d45c798f4bd6e1d60000000000000000000000000000000000000000000000000000000000000001",
        "decodedInput": [
          {
            "value": "0x20a5814b73ef3537c6e099a0d45c798f4bd6e1d6",
            "type": "address",
            "name": "dst"
          },
          {
            "value": "1",
            "type": "uint256",
            "name": "wad"
          }
        ],
        "method": "transfer",
        "output": "0x0000000000000000000000000000000000000000000000000000000000000001",
        "decodedOutput": [
          {
            "value": true,
            "type": "bool",
            "name": ""
          }
        ],
        "subtraces": 0,
        "traceAddress": [
          0
        ]
      }
    ]
  }
}