eth_simulateV1

POST https://mainnet.valuechain.xyz

Simulates one or more sequences of calls against optional state overrides.

Parameters

Name	Type	Required	Description
payload	object	Yes	blockStateCalls plus optional traceTransfers and validation.
block	quantity or tag	Yes	Starting block: hex number, or earliest, latest, safe, finalized, or pending. See block tags.

Result

Simulation (object[]): Simulated block results, including per-call returnData, gasUsed, and status.

Example

Response

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": [
    {
      "calls": [
        {
          "returnData": "0x",
          "gasUsed": "0x54be",
          "status": "0x1",
          "logs": []
        }
      ]
    }
  ]
}

Code examples

cURL

curl --request POST \
  --url https://mainnet.valuechain.xyz \
  --header 'Content-Type: application/json' \
  --data '{"jsonrpc": "2.0", "id": 1, "method": "eth_simulateV1", "params": [{"blockStateCalls": [{"calls": [{"from": "0x7779ef1c26a0437f9fbd06e21f238da8b8336cf2", "to": "0x5050505050505050505050505050505050505050", "data": "0x06fdde03"}]}], "traceTransfers": false, "validation": false}, "latest"]}'

JavaScript

const options = {
  method: 'POST',
  headers: { 'Content-Type': 'application/json' },
  body: JSON.stringify({"jsonrpc": "2.0", "id": 1, "method": "eth_simulateV1", "params": [{"blockStateCalls": [{"calls": [{"from": "0x7779ef1c26a0437f9fbd06e21f238da8b8336cf2", "to": "0x5050505050505050505050505050505050505050", "data": "0x06fdde03"}]}], "traceTransfers": false, "validation": false}, "latest"]})
};

fetch('https://mainnet.valuechain.xyz', options)
  .then((res) => res.json())
  .then((res) => console.log(res))
  .catch((err) => console.error(err));

Python

import requests

url = "https://mainnet.valuechain.xyz"
payload = {
  "jsonrpc": "2.0",
  "id": 1,
  "method": "eth_simulateV1",
  "params": [
    {
      "blockStateCalls": [
        {
          "calls": [
            {
              "from": "0x7779ef1c26a0437f9fbd06e21f238da8b8336cf2",
              "to": "0x5050505050505050505050505050505050505050",
              "data": "0x06fdde03"
            }
          ]
        }
      ],
      "traceTransfers": false,
      "validation": false
    },
    "latest"
  ]
}
headers = {"Content-Type": "application/json"}
response = requests.post(url, json=payload, headers=headers)
print(response.text)