Please note that this RPC method is available to all users on the Build plan and higher. If you are using the Free plan, you will need to upgrade to utilize this method. See our pricing for more information.

Parameters

object

array

The transaction call object which contains the following fields:

from

string

The string of the address the transaction is sent from

to

string

REQUIRED

The string of the address to the transaction is directed to

gas

integer

The integer of the gas provided for the transaction execution

gasPrice

integer

The integer of the gasPrice used for each paid gas encoded as hexadecimal

value

integer

The integer of the value sent with this transaction encoded as hexadecimal

data

string

The string of the hash of the method signature and encoded parameters, see the Ethereum Contract ABI

array

array

REQUIRED

The type of trace to retrieve. One or more of: trace (basic call trace), vmTrace (full VM execution trace), stateDiff (state changes due to the transaction)

blockNumber

string

The block number as a string in hexadecimal format or tags. The supported tag values include earliest for the earliest/genesis block, latest for the latest mined block, pending for the pending state/transactions, safe for the most recent secure block, and finalized for the most recent secure block accepted by more than 2/3 of validators. safe and finalized are only supported on Ethereum and Gnosis

Returns

object

object

The transaction trace result object

output

string

The data returned as output encoded in hexadecimal format

stateDiff

object

The altered Ethereum state due to execution of the given transaction, or null if not available

trace

array

An array of basic trace objects for the given transaction

action

object

The action performed during the trace

from

string

The address of the sender

callType

string

The type of call such as call, staticcall, delegatecall

gas

string

The gas provided by the sender, encoded as hexadecimal

input

string

The data sent along with the transaction

to

string

The address of the receiver

value

string

The value sent with this transaction, encoded as hexadecimal

result

object

The execution result of the trace

gasUsed

string

The amount of gas used by this trace

output

string

The return value of the contract call, empty if no RETURN executed

subtraces

integer

The number of subtraces (internal calls) within this trace

traceAddress

array

The list of addresses where the call executed, including parent calls and order

type

string

The type of the trace, such as call or create

vmTrace

object

The full trace of the virtual machine's state during execution, including sub-calls, or null if not available

Request

1
curl -X POST "https://docs-demo.xlayer-mainnet.quiknode.pro/" \
2
  -H "Content-Type: application/json" \
3
  -d '{
4
  "jsonrpc": "2.0",
5
  "method": "trace_call",
6
  "params": [
7
    [
8
      {
9
        "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
10
        "data": "0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"
11
      }
12
    ],
13
    [
14
      "trace"
15
    ],
16
    "latest"
17
  ],
18
  "id": 1
19
}'

1
curl -X POST "https://docs-demo.xlayer-mainnet.quiknode.pro/" \
2
  -H "Content-Type: application/json" \
3
  -d '{
4
  "jsonrpc": "2.0",
5
  "method": "trace_call",
6
  "params": [
7
    [
8
      {
9
        "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
10
        "data": "0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"
11
      }
12
    ],
13
    [
14
      "trace"
15
    ],
16
    "latest"
17
  ],
18
  "id": 1
19
}'

1
import { ethers } from "ethers";
2

3
async function main() {
4
    const provider = new ethers.JsonRpcProvider("https://docs-demo.xlayer-mainnet.quiknode.pro/");
5
    const response = await provider.send("trace_call", [
6
    [
7
        {
8
            "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
9
            "data": "0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"
10
        }
11
    ],
12
    [
13
        "trace"
14
    ],
15
    "latest"
16
]);
17
    console.log(response);
18
}
19

20
main();

1
import { ethers } from "ethers";
2

3
async function main() {
4
    const provider = new ethers.JsonRpcProvider("https://docs-demo.xlayer-mainnet.quiknode.pro/");
5
    const response = await provider.send("trace_call", [
6
    [
7
        {
8
            "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
9
            "data": "0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"
10
        }
11
    ],
12
    [
13
        "trace"
14
    ],
15
    "latest"
16
]);
17
    console.log(response);
18
}
19

20
main();

1
from web3 import Web3, HTTPProvider
2
w3 = Web3(HTTPProvider('https://docs-demo.xlayer-mainnet.quiknode.pro/'))
3
response = w3.provider.make_request("trace_call", [[{"to":"0x6b175474e89094c44da98b954eedeac495271d0f","data":"0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"}],["trace"],"latest"])
4
print(response)

1
from web3 import Web3, HTTPProvider
2
w3 = Web3(HTTPProvider('https://docs-demo.xlayer-mainnet.quiknode.pro/'))
3
response = w3.provider.make_request("trace_call", [[{"to":"0x6b175474e89094c44da98b954eedeac495271d0f","data":"0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"}],["trace"],"latest"])
4
print(response)

1
import { createPublicClient, http } from 'viem'
2

3
async function main() {
4
    const client = createPublicClient({
5
        transport: http('https://docs-demo.xlayer-mainnet.quiknode.pro/')
6
    })
7

8
    const result = await client.request({
9
        method: 'trace_call',
10
        params: [
11
          [
12
            {
13
              "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
14
              "data": "0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"
15
            }
16
          ],
17
          [
18
            "trace"
19
          ],
20
          "latest"
21
        ]
22
    })
23

24
    console.log(result)
25
}
26

27
main()

1
import { createPublicClient, http } from 'viem'
2

3
async function main() {
4
    const client = createPublicClient({
5
        transport: http('https://docs-demo.xlayer-mainnet.quiknode.pro/')
6
    })
7

8
    const result = await client.request({
9
        method: 'trace_call',
10
        params: [
11
          [
12
            {
13
              "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
14
              "data": "0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"
15
            }
16
          ],
17
          [
18
            "trace"
19
          ],
20
          "latest"
21
        ]
22
    })
23

24
    console.log(result)
25
}
26

27
main()

1
import { QuicknodeSdk } from '@quicknode/sdk'
2

3
const qn = new QuicknodeSdk({})
4

5
const result = await qn.rpc.call(
6
  'trace_call',
7
  [
8
  [
9
    {
10
      "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
11
      "data": "0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"
12
    }
13
  ],
14
  [
15
    "trace"
16
  ],
17
  "latest"
18
],
19
  undefined,
20
  'https://docs-demo.xlayer-mainnet.quiknode.pro/'
21
)
22

23
console.log(result)

1
import { QuicknodeSdk } from '@quicknode/sdk'
2

3
const qn = new QuicknodeSdk({})
4

5
const result = await qn.rpc.call(
6
  'trace_call',
7
  [
8
  [
9
    {
10
      "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
11
      "data": "0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"
12
    }
13
  ],
14
  [
15
    "trace"
16
  ],
17
  "latest"
18
],
19
  undefined,
20
  'https://docs-demo.xlayer-mainnet.quiknode.pro/'
21
)
22

23
console.log(result)

1
import asyncio
2
from quicknode_sdk import QuicknodeSdk, SdkFullConfig
3

4
async def main():
5
    qn = QuicknodeSdk(SdkFullConfig(api_key=None))
6
    result = await qn.rpc.call(
7
        "trace_call",
8
        [
9
            [
10
                {
11
                    "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
12
                    "data": "0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"
13
                }
14
            ],
15
            [
16
                "trace"
17
            ],
18
            "latest"
19
        ],
20
        endpoint_url="https://docs-demo.xlayer-mainnet.quiknode.pro/",
21
    )
22
    print(result)
23

24
asyncio.run(main())

1
import asyncio
2
from quicknode_sdk import QuicknodeSdk, SdkFullConfig
3

4
async def main():
5
    qn = QuicknodeSdk(SdkFullConfig(api_key=None))
6
    result = await qn.rpc.call(
7
        "trace_call",
8
        [
9
            [
10
                {
11
                    "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
12
                    "data": "0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"
13
                }
14
            ],
15
            [
16
                "trace"
17
            ],
18
            "latest"
19
        ],
20
        endpoint_url="https://docs-demo.xlayer-mainnet.quiknode.pro/",
21
    )
22
    print(result)
23

24
asyncio.run(main())

1
require "quicknode_sdk"
2

3
qn = QuicknodeSdk::SDK.from_config(api_key: nil)
4

5
result = qn.rpc.call(
6
  method: "trace_call",
7
  params: [
8
    [
9
      {
10
        "to" => "0x6b175474e89094c44da98b954eedeac495271d0f",
11
        "data" => "0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"
12
      }
13
    ],
14
    [
15
      "trace"
16
    ],
17
    "latest"
18
  ],
19
  endpoint_url: "https://docs-demo.xlayer-mainnet.quiknode.pro/"
20
)
21

22
puts result

1
require "quicknode_sdk"
2

3
qn = QuicknodeSdk::SDK.from_config(api_key: nil)
4

5
result = qn.rpc.call(
6
  method: "trace_call",
7
  params: [
8
    [
9
      {
10
        "to" => "0x6b175474e89094c44da98b954eedeac495271d0f",
11
        "data" => "0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"
12
      }
13
    ],
14
    [
15
      "trace"
16
    ],
17
    "latest"
18
  ],
19
  endpoint_url: "https://docs-demo.xlayer-mainnet.quiknode.pro/"
20
)
21

22
puts result

1
use quicknode_sdk::{QuicknodeSdk, SdkFullConfig};
2

3
#[tokio::main]
4
async fn main() -> Result<(), Box<dyn std::error::Error>> {
5
    let qn = QuicknodeSdk::new(&SdkFullConfig::keyless())?;
6
    let result = qn
7
        .rpc
8
        .call(
9
            "trace_call",
10
            Some(serde_json::json!([
11
    [
12
        {
13
            "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
14
            "data": "0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"
15
        }
16
    ],
17
    [
18
        "trace"
19
    ],
20
    "latest"
21
])),
22
            None,
23
            Some("https://docs-demo.xlayer-mainnet.quiknode.pro/".into()),
24
        )
25
        .await?;
26

27
    println!("{result}");
28
    Ok(())
29
}

1
use quicknode_sdk::{QuicknodeSdk, SdkFullConfig};
2

3
#[tokio::main]
4
async fn main() -> Result<(), Box<dyn std::error::Error>> {
5
    let qn = QuicknodeSdk::new(&SdkFullConfig::keyless())?;
6
    let result = qn
7
        .rpc
8
        .call(
9
            "trace_call",
10
            Some(serde_json::json!([
11
    [
12
        {
13
            "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
14
            "data": "0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"
15
        }
16
    ],
17
    [
18
        "trace"
19
    ],
20
    "latest"
21
])),
22
            None,
23
            Some("https://docs-demo.xlayer-mainnet.quiknode.pro/".into()),
24
        )
25
        .await?;
26

27
    println!("{result}");
28
    Ok(())
29
}

1
const body = {
2
    jsonrpc: '2.0',
3
    method: 'trace_call',
4
    params: [[{"to":"0x6b175474e89094c44da98b954eedeac495271d0f","data":"0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"}],["trace"],"latest"],
5
    id: 1
6
}
7

8
async function main() {
9
    const response = await fetch('https://docs-demo.xlayer-mainnet.quiknode.pro/', {
10
        method: 'POST',
11
        headers: {'Content-Type': 'application/json'},
12
        body: JSON.stringify(body)
13
    })
14
    const data = await response.json()
15
    console.log(data)
16
}
17

18
main()

1
const body = {
2
    jsonrpc: '2.0',
3
    method: 'trace_call',
4
    params: [[{"to":"0x6b175474e89094c44da98b954eedeac495271d0f","data":"0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"}],["trace"],"latest"],
5
    id: 1
6
}
7

8
async function main() {
9
    const response = await fetch('https://docs-demo.xlayer-mainnet.quiknode.pro/', {
10
        method: 'POST',
11
        headers: {'Content-Type': 'application/json'},
12
        body: JSON.stringify(body)
13
    })
14
    const data = await response.json()
15
    console.log(data)
16
}
17

18
main()

1
import requests
2
import json
3

4
url = "https://docs-demo.xlayer-mainnet.quiknode.pro/"
5

6
payload = json.dumps({
7
  "jsonrpc": "2.0",
8
  "method": "trace_call",
9
  "params": [
10
    [
11
      {
12
        "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
13
        "data": "0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"
14
      }
15
    ],
16
    [
17
      "trace"
18
    ],
19
    "latest"
20
  ],
21
  "id": 1
22
})
23
headers = {
24
  'Content-Type': 'application/json'
25
}
26

27
response = requests.request("POST", url, headers=headers, data=payload)
28

29
print(response.text)

1
import requests
2
import json
3

4
url = "https://docs-demo.xlayer-mainnet.quiknode.pro/"
5

6
payload = json.dumps({
7
  "jsonrpc": "2.0",
8
  "method": "trace_call",
9
  "params": [
10
    [
11
      {
12
        "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
13
        "data": "0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"
14
      }
15
    ],
16
    [
17
      "trace"
18
    ],
19
    "latest"
20
  ],
21
  "id": 1
22
})
23
headers = {
24
  'Content-Type': 'application/json'
25
}
26

27
response = requests.request("POST", url, headers=headers, data=payload)
28

29
print(response.text)

1
require "uri"
2
require "json"
3
require "net/http"
4

5
uri = URI("https://docs-demo.xlayer-mainnet.quiknode.pro/")
6

7
payload = {
8
  jsonrpc: "2.0",
9
  id: 1,
10
  method: "trace_call",
11
  params: [[{"to":"0x6b175474e89094c44da98b954eedeac495271d0f","data":"0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"}],["trace"],"latest"]
12
}
13

14
request = Net::HTTP::Post.new(uri)
15
request["Content-Type"] = "application/json"
16
request.body = JSON.generate(payload)
17

18
response = Net::HTTP.start(uri.host, uri.port, use_ssl: true) do |http|
19
  http.request(request)
20
end
21

22
puts response.body

1
require "uri"
2
require "json"
3
require "net/http"
4

5
uri = URI("https://docs-demo.xlayer-mainnet.quiknode.pro/")
6

7
payload = {
8
  jsonrpc: "2.0",
9
  id: 1,
10
  method: "trace_call",
11
  params: [[{"to":"0x6b175474e89094c44da98b954eedeac495271d0f","data":"0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"}],["trace"],"latest"]
12
}
13

14
request = Net::HTTP::Post.new(uri)
15
request["Content-Type"] = "application/json"
16
request.body = JSON.generate(payload)
17

18
response = Net::HTTP.start(uri.host, uri.port, use_ssl: true) do |http|
19
  http.request(request)
20
end
21

22
puts response.body

Response

1
{
2
  "id": 1,
3
  "jsonrpc": "2.0",
4
  "error": {
5
    "code": -32601,
6
    "message": "the method trace_call does not exist/is not available"
7
  }
8
}

1
{
2
  "id": 1,
3
  "jsonrpc": "2.0",
4
  "error": {
5
    "code": -32601,
6
    "message": "the method trace_call does not exist/is not available"
7
  }
8
}

Don't have an account yet?

Create your Quicknode endpoint in seconds and start building

Get started for free