Trace call execution

POST

https://xlayer.nownodes.io/

Authorizations

ApiKeyAuthApiKeyAuth

api-key string

NOWNodes API key passed in the api-key header.

Returns the number of possible tracing result by executing an eth call within the context of the given block execution. Kindly note that this method can be used starting from block 42810022.

Body

application/json

jsonrpcstringrequired

methodstringrequired

paramsArray<object | string>required

Show child attributes

Any of

object

string

idintegerrequired

Response

200OK

Call execution trace

400Bad Request

Bad Request

500Internal Server Error

Internal Server Error

Trace call execution

curl -X POST 'https://xlayer.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "debug_traceCall",
    "params": [
      {
        "from": null,
        "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
        "data": "0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"
      },
      "latest"
    ],
    "id": 1
  }'

import { JsonRpcProvider } from "ethers";

const provider = new JsonRpcProvider("https://xlayer.nownodes.io/");
const result = await provider.send("debug_traceCall", [
  {
    "from": null,
    "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
    "data": "0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"
  },
  "latest"
]);
console.log(result);

require 'eth'
require 'json'
require 'net/http'

uri = URI('https://xlayer.nownodes.io/')
request = Net::HTTP::Post.new(uri)
request['Content-Type'] = 'application/json'
request.body = '{
  "jsonrpc": "2.0",
  "method": "debug_traceCall",
  "params": [
    {
      "from": null,
      "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
      "data": "0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"
    },
    "latest"
  ],
  "id": 1
}'

response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) do |http|
  http.request(request)
end

puts JSON.parse(response.body)

from web3 import Web3

w3 = Web3(Web3.HTTPProvider("https://xlayer.nownodes.io/"))
response = w3.provider.make_request("debug_traceCall", [
  {
    "from": None,
    "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
    "data": "0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"
  },
  "latest"
])
print(response)

import { createPublicClient, http } from "viem";

const client = createPublicClient({
  transport: http("https://xlayer.nownodes.io/"),
});

const result = await client.request({
  method: "debug_traceCall",
  params: [
  {
    "from": null,
    "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
    "data": "0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"
  },
  "latest"
],
});

console.log(result);

const endpoint = "https://xlayer.nownodes.io/";
const apiKey = "YOUR_API_KEY";

async function nownodesRequest(payload) {
  const response = await fetch(endpoint, {
    method: "POST",
    headers: {
      "Content-Type": "application/json",
      "api-key": apiKey,
    },
    body: JSON.stringify(payload),
  });

  return response.json();
}

const result = await nownodesRequest({ jsonrpc: "2.0", method: "debug_traceCall", params: [
  {
    "from": null,
    "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
    "data": "0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"
  },
  "latest"
], id: 1 });
console.log(result);

const response = await fetch('https://xlayer.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "debug_traceCall",
      "params": [
        {
          "from": null,
          "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
          "data": "0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"
        },
        "latest"
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "debug_traceCall",
  "params": [
    {
      "from": None,
      "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
      "data": "0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"
    },
    "latest"
  ],
  "id": 1
}

response = requests.post('https://xlayer.nownodes.io/', json=payload)
data = response.json()

require 'net/http'
require 'json'

uri = URI('https://xlayer.nownodes.io/')
request = Net::HTTP::Post.new(uri)
request['Content-Type'] = 'application/json'
request.body = '{
    "jsonrpc": "2.0",
    "method": "debug_traceCall",
    "params": [
      {
        "from": null,
        "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
        "data": "0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"
      },
      "latest"
    ],
    "id": 1
  }'

response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) { |http| http.request(request) }
data = JSON.parse(response.body)

Request Body

{
  "jsonrpc": "2.0",
  "method": "debug_traceCall",
  "params": [
    {
      "from": null,
      "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
      "data": "0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"
    },
    "latest"
  ],
  "id": 1
}

200

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "failed": false,
    "gas": 24034,
    "returnValue": "0000000000000000000000000000000000000000000000000858898f93629000",
    "structLogs": [
      {
        "pc": 0,
        "op": "PUSH1",
        "gas": 599978568,
        "gasCost": 3,
        "depth": 1,
        "error": "string",
        "stack": [
          "string"
        ],
        "memory": [
          "string"
        ],
        "storage": {},
        "refund": 0
      }
    ]
  }
}

Documentation

How to migrate to NOWNodes

Trace call execution

Authorizations

Body

Response