This RPC method is included in the Free Trial with limited usage. Upgrade your plan to get full access and higher limits. Learn more on our pricing page.

Parameters

object

object

REQUIRED

The transaction call object with the following fields:

from

string

The address the transaction is sent from

to

string

REQUIRED

The address the transaction is directed to

gas

string

The integer of the gas provided for the transaction execution

maxFeePerGas

string

The maximum fee per gas that the transaction is willing to pay

maxPriorityFeePerGas

string

The maximum priority fee per gas that the transaction is willing to pay

value

string

The integer of the value sent with this transaction

input

string

The data given at the time of input

data

string

The hash of the method signature and encoded parameters

nonce

string

The number of transactions made by the sender prior to this one

chainId

string

The chain ID of the network

accessList

array

A list of addresses and storage keys that the transaction plans to access

blockReference

string

REQUIRED

The block number in hexadecimal format, the block hash, 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

object

object

REQUIRED

The tracer object with the following fields:

tracer

string

The type of tracer. It could be callTracer or prestateTracer

callTracer

string

The calltracer keeps track of all call frames, including depth 0 calls, that are made during a transaction

prestateTracer

string

The prestateTracer replays the transaction and tracks every part of state that occured during the transaction

tracerConfig

object

The object to specify the configurations of the tracer

onlyTopCall

boolean

When set to true, this will only trace the primary (top-level) call and not any sub-calls. It eliminates the additional processing for each call frame

timeout

string

A string of decimal integers that overrides the JavaScript-based tracing calls default timeout of 5 seconds.

Returns

result

object

The result object which contains the following fields:

type

string

The type of the call

from

string

The address the transaction is sent from

to

string

The address the transaction is directed to

value

string

The integer of the value sent with this transaction

gas

string

The integer of the gas provided for the transaction execution

gasUsed

string

The integer of the gas used

input

string

The data given at the time of input

output

string

(Optional) The data which is returned as an output

error

string

(Optional) The type of error, if any

revertReason

string

(Optional) The type solidity revert reason, if any

Request

1
curl -X POST "https://docs-demo.megaeth-mainnet.quiknode.pro/" \
2
  -H "Content-Type: application/json" \
3
  -d '{
4
  "jsonrpc": "2.0",
5
  "method": "debug_traceCall",
6
  "params": [
7
    {
8
      "from": "0x0000000000000000000000000000000000000000",
9
      "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
10
      "data": "0x70a082310000000000000000000000006e0d01a76c3cf4288372a29124a26d4353ee51be"
11
    },
12
    "latest",
13
    {
14
      "tracer": "callTracer"
15
    }
16
  ],
17
  "id": 1
18
}'

1
curl -X POST "https://docs-demo.megaeth-mainnet.quiknode.pro/" \
2
  -H "Content-Type: application/json" \
3
  -d '{
4
  "jsonrpc": "2.0",
5
  "method": "debug_traceCall",
6
  "params": [
7
    {
8
      "from": "0x0000000000000000000000000000000000000000",
9
      "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
10
      "data": "0x70a082310000000000000000000000006e0d01a76c3cf4288372a29124a26d4353ee51be"
11
    },
12
    "latest",
13
    {
14
      "tracer": "callTracer"
15
    }
16
  ],
17
  "id": 1
18
}'

1
import { ethers } from "ethers";
2

3
async function main() {
4
    const provider = new ethers.JsonRpcProvider("https://docs-demo.megaeth-mainnet.quiknode.pro/");
5
    const response = await provider.send("debug_traceCall", [
6
    {
7
        "from": "0x0000000000000000000000000000000000000000",
8
        "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
9
        "data": "0x70a082310000000000000000000000006e0d01a76c3cf4288372a29124a26d4353ee51be"
10
    },
11
    "latest",
12
    {
13
        "tracer": "callTracer"
14
    }
15
]);
16
    console.log(response);
17
}
18

19
main();

1
import { ethers } from "ethers";
2

3
async function main() {
4
    const provider = new ethers.JsonRpcProvider("https://docs-demo.megaeth-mainnet.quiknode.pro/");
5
    const response = await provider.send("debug_traceCall", [
6
    {
7
        "from": "0x0000000000000000000000000000000000000000",
8
        "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
9
        "data": "0x70a082310000000000000000000000006e0d01a76c3cf4288372a29124a26d4353ee51be"
10
    },
11
    "latest",
12
    {
13
        "tracer": "callTracer"
14
    }
15
]);
16
    console.log(response);
17
}
18

19
main();

1
from web3 import Web3, HTTPProvider
2
w3 = Web3(HTTPProvider('https://docs-demo.megaeth-mainnet.quiknode.pro/'))
3
response = w3.provider.make_request("debug_traceCall", [{"from":"0x0000000000000000000000000000000000000000","to":"0x6b175474e89094c44da98b954eedeac495271d0f","data":"0x70a082310000000000000000000000006e0d01a76c3cf4288372a29124a26d4353ee51be"},"latest",{"tracer":"callTracer"}])
4
print(response)

1
from web3 import Web3, HTTPProvider
2
w3 = Web3(HTTPProvider('https://docs-demo.megaeth-mainnet.quiknode.pro/'))
3
response = w3.provider.make_request("debug_traceCall", [{"from":"0x0000000000000000000000000000000000000000","to":"0x6b175474e89094c44da98b954eedeac495271d0f","data":"0x70a082310000000000000000000000006e0d01a76c3cf4288372a29124a26d4353ee51be"},"latest",{"tracer":"callTracer"}])
4
print(response)

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

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

8
    const result = await client.request({
9
        method: 'debug_traceCall',
10
        params: [
11
          {
12
            "from": "0x0000000000000000000000000000000000000000",
13
            "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
14
            "data": "0x70a082310000000000000000000000006e0d01a76c3cf4288372a29124a26d4353ee51be"
15
          },
16
          "latest",
17
          {
18
            "tracer": "callTracer"
19
          }
20
        ]
21
    })
22

23
    console.log(result)
24
}
25

26
main()

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

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

8
    const result = await client.request({
9
        method: 'debug_traceCall',
10
        params: [
11
          {
12
            "from": "0x0000000000000000000000000000000000000000",
13
            "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
14
            "data": "0x70a082310000000000000000000000006e0d01a76c3cf4288372a29124a26d4353ee51be"
15
          },
16
          "latest",
17
          {
18
            "tracer": "callTracer"
19
          }
20
        ]
21
    })
22

23
    console.log(result)
24
}
25

26
main()

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

3
const qn = new QuicknodeSdk({})
4

5
const result = await qn.rpc.call(
6
  'debug_traceCall',
7
  [
8
  {
9
    "from": "0x0000000000000000000000000000000000000000",
10
    "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
11
    "data": "0x70a082310000000000000000000000006e0d01a76c3cf4288372a29124a26d4353ee51be"
12
  },
13
  "latest",
14
  {
15
    "tracer": "callTracer"
16
  }
17
],
18
  undefined,
19
  'https://docs-demo.megaeth-mainnet.quiknode.pro/'
20
)
21

22
console.log(result)

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

3
const qn = new QuicknodeSdk({})
4

5
const result = await qn.rpc.call(
6
  'debug_traceCall',
7
  [
8
  {
9
    "from": "0x0000000000000000000000000000000000000000",
10
    "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
11
    "data": "0x70a082310000000000000000000000006e0d01a76c3cf4288372a29124a26d4353ee51be"
12
  },
13
  "latest",
14
  {
15
    "tracer": "callTracer"
16
  }
17
],
18
  undefined,
19
  'https://docs-demo.megaeth-mainnet.quiknode.pro/'
20
)
21

22
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
        "debug_traceCall",
8
        [
9
            {
10
                "from": "0x0000000000000000000000000000000000000000",
11
                "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
12
                "data": "0x70a082310000000000000000000000006e0d01a76c3cf4288372a29124a26d4353ee51be"
13
            },
14
            "latest",
15
            {
16
                "tracer": "callTracer"
17
            }
18
        ],
19
        endpoint_url="https://docs-demo.megaeth-mainnet.quiknode.pro/",
20
    )
21
    print(result)
22

23
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
        "debug_traceCall",
8
        [
9
            {
10
                "from": "0x0000000000000000000000000000000000000000",
11
                "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
12
                "data": "0x70a082310000000000000000000000006e0d01a76c3cf4288372a29124a26d4353ee51be"
13
            },
14
            "latest",
15
            {
16
                "tracer": "callTracer"
17
            }
18
        ],
19
        endpoint_url="https://docs-demo.megaeth-mainnet.quiknode.pro/",
20
    )
21
    print(result)
22

23
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: "debug_traceCall",
7
  params: [
8
    {
9
      "from" => "0x0000000000000000000000000000000000000000",
10
      "to" => "0x6b175474e89094c44da98b954eedeac495271d0f",
11
      "data" => "0x70a082310000000000000000000000006e0d01a76c3cf4288372a29124a26d4353ee51be"
12
    },
13
    "latest",
14
    {
15
      "tracer" => "callTracer"
16
    }
17
  ],
18
  endpoint_url: "https://docs-demo.megaeth-mainnet.quiknode.pro/"
19
)
20

21
puts result

1
require "quicknode_sdk"
2

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

5
result = qn.rpc.call(
6
  method: "debug_traceCall",
7
  params: [
8
    {
9
      "from" => "0x0000000000000000000000000000000000000000",
10
      "to" => "0x6b175474e89094c44da98b954eedeac495271d0f",
11
      "data" => "0x70a082310000000000000000000000006e0d01a76c3cf4288372a29124a26d4353ee51be"
12
    },
13
    "latest",
14
    {
15
      "tracer" => "callTracer"
16
    }
17
  ],
18
  endpoint_url: "https://docs-demo.megaeth-mainnet.quiknode.pro/"
19
)
20

21
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
            "debug_traceCall",
10
            Some(serde_json::json!([
11
    {
12
        "from": "0x0000000000000000000000000000000000000000",
13
        "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
14
        "data": "0x70a082310000000000000000000000006e0d01a76c3cf4288372a29124a26d4353ee51be"
15
    },
16
    "latest",
17
    {
18
        "tracer": "callTracer"
19
    }
20
])),
21
            None,
22
            Some("https://docs-demo.megaeth-mainnet.quiknode.pro/".into()),
23
        )
24
        .await?;
25

26
    println!("{result}");
27
    Ok(())
28
}

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
            "debug_traceCall",
10
            Some(serde_json::json!([
11
    {
12
        "from": "0x0000000000000000000000000000000000000000",
13
        "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
14
        "data": "0x70a082310000000000000000000000006e0d01a76c3cf4288372a29124a26d4353ee51be"
15
    },
16
    "latest",
17
    {
18
        "tracer": "callTracer"
19
    }
20
])),
21
            None,
22
            Some("https://docs-demo.megaeth-mainnet.quiknode.pro/".into()),
23
        )
24
        .await?;
25

26
    println!("{result}");
27
    Ok(())
28
}

1
const body = {
2
    jsonrpc: '2.0',
3
    method: 'debug_traceCall',
4
    params: [{"from":"0x0000000000000000000000000000000000000000","to":"0x6b175474e89094c44da98b954eedeac495271d0f","data":"0x70a082310000000000000000000000006e0d01a76c3cf4288372a29124a26d4353ee51be"},"latest",{"tracer":"callTracer"}],
5
    id: 1
6
}
7

8
async function main() {
9
    const response = await fetch('https://docs-demo.megaeth-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: 'debug_traceCall',
4
    params: [{"from":"0x0000000000000000000000000000000000000000","to":"0x6b175474e89094c44da98b954eedeac495271d0f","data":"0x70a082310000000000000000000000006e0d01a76c3cf4288372a29124a26d4353ee51be"},"latest",{"tracer":"callTracer"}],
5
    id: 1
6
}
7

8
async function main() {
9
    const response = await fetch('https://docs-demo.megaeth-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.megaeth-mainnet.quiknode.pro/"
5

6
payload = json.dumps({
7
  "jsonrpc": "2.0",
8
  "method": "debug_traceCall",
9
  "params": [
10
    {
11
      "from": "0x0000000000000000000000000000000000000000",
12
      "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
13
      "data": "0x70a082310000000000000000000000006e0d01a76c3cf4288372a29124a26d4353ee51be"
14
    },
15
    "latest",
16
    {
17
      "tracer": "callTracer"
18
    }
19
  ],
20
  "id": 1
21
})
22
headers = {
23
  'Content-Type': 'application/json'
24
}
25

26
response = requests.request("POST", url, headers=headers, data=payload)
27

28
print(response.text)

1
import requests
2
import json
3

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

6
payload = json.dumps({
7
  "jsonrpc": "2.0",
8
  "method": "debug_traceCall",
9
  "params": [
10
    {
11
      "from": "0x0000000000000000000000000000000000000000",
12
      "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
13
      "data": "0x70a082310000000000000000000000006e0d01a76c3cf4288372a29124a26d4353ee51be"
14
    },
15
    "latest",
16
    {
17
      "tracer": "callTracer"
18
    }
19
  ],
20
  "id": 1
21
})
22
headers = {
23
  'Content-Type': 'application/json'
24
}
25

26
response = requests.request("POST", url, headers=headers, data=payload)
27

28
print(response.text)

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

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

7
payload = {
8
  jsonrpc: "2.0",
9
  id: 1,
10
  method: "debug_traceCall",
11
  params: [{"from":"0x0000000000000000000000000000000000000000","to":"0x6b175474e89094c44da98b954eedeac495271d0f","data":"0x70a082310000000000000000000000006e0d01a76c3cf4288372a29124a26d4353ee51be"},"latest",{"tracer":"callTracer"}]
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.megaeth-mainnet.quiknode.pro/")
6

7
payload = {
8
  jsonrpc: "2.0",
9
  id: 1,
10
  method: "debug_traceCall",
11
  params: [{"from":"0x0000000000000000000000000000000000000000","to":"0x6b175474e89094c44da98b954eedeac495271d0f","data":"0x70a082310000000000000000000000006e0d01a76c3cf4288372a29124a26d4353ee51be"},"latest",{"tracer":"callTracer"}]
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
  "jsonrpc": "2.0",
3
  "result": {
4
    "type": "CALL",
5
    "from": "0x0000000000000000000000000000000000000000",
6
    "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
7
    "value": "0x0",
8
    "gas": "0x7b98a0",
9
    "gasUsed": "0x7b98a0",
10
    "input": "0x70a082310000000000000000000000006e0d01a76c3cf4288372a29124a26d4353ee51be"
11
  },
12
  "id": 1
13
}

1
{
2
  "jsonrpc": "2.0",
3
  "result": {
4
    "type": "CALL",
5
    "from": "0x0000000000000000000000000000000000000000",
6
    "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
7
    "value": "0x0",
8
    "gas": "0x7b98a0",
9
    "gasUsed": "0x7b98a0",
10
    "input": "0x70a082310000000000000000000000006e0d01a76c3cf4288372a29124a26d4353ee51be"
11
  },
12
  "id": 1
13
}

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