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Parameters

blockNumber

string

REQUIRED

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, Gnosis, Arbitrum, Arbitrum Nova, and Avalanche C-chain

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

Returns

type

array

The type of the call

from

The address the transaction is sent from

to

The address the transaction is directed to

value

The integer of the value sent with this transaction

gas

The integer of the gas provided for the transaction execution

gasUsed

The integer of the gas used

input

The data given at the time of input

output

The data which is returned as an output

calls

A list of sub-calls

Request

1
curl -X POST "https://docs-demo.xdai.quiknode.pro/" \
2
  -H "Content-Type: application/json" \
3
  -d '{
4
  "jsonrpc": "2.0",
5
  "method": "debug_traceBlockByNumber",
6
  "params": [
7
    "0x1ac90b4",
8
    {
9
      "tracer": "callTracer"
10
    }
11
  ],
12
  "id": 1
13
}'

1
curl -X POST "https://docs-demo.xdai.quiknode.pro/" \
2
  -H "Content-Type: application/json" \
3
  -d '{
4
  "jsonrpc": "2.0",
5
  "method": "debug_traceBlockByNumber",
6
  "params": [
7
    "0x1ac90b4",
8
    {
9
      "tracer": "callTracer"
10
    }
11
  ],
12
  "id": 1
13
}'

1
const body = {
2
    jsonrpc: '2.0',
3
    method: 'debug_traceBlockByNumber',
4
    params: ["0x1ac90b4",{"tracer":"callTracer"}],
5
    id: 1
6
}
7

8
async function main() {
9
    const response = await fetch('https://docs-demo.xdai.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_traceBlockByNumber',
4
    params: ["0x1ac90b4",{"tracer":"callTracer"}],
5
    id: 1
6
}
7

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

6
payload = json.dumps({
7
  "jsonrpc": "2.0",
8
  "method": "debug_traceBlockByNumber",
9
  "params": [
10
    "0x1ac90b4",
11
    {
12
      "tracer": "callTracer"
13
    }
14
  ],
15
  "id": 1
16
})
17
headers = {
18
  'Content-Type': 'application/json'
19
}
20

21
response = requests.request("POST", url, headers=headers, data=payload)
22

23
print(response.text)

1
import requests
2
import json
3

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

6
payload = json.dumps({
7
  "jsonrpc": "2.0",
8
  "method": "debug_traceBlockByNumber",
9
  "params": [
10
    "0x1ac90b4",
11
    {
12
      "tracer": "callTracer"
13
    }
14
  ],
15
  "id": 1
16
})
17
headers = {
18
  'Content-Type': 'application/json'
19
}
20

21
response = requests.request("POST", url, headers=headers, data=payload)
22

23
print(response.text)

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

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

7
payload = {
8
  jsonrpc: "2.0",
9
  id: 1,
10
  method: "debug_traceBlockByNumber",
11
  params: ["0x1ac90b4",{"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.xdai.quiknode.pro/")
6

7
payload = {
8
  jsonrpc: "2.0",
9
  id: 1,
10
  method: "debug_traceBlockByNumber",
11
  params: ["0x1ac90b4",{"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
  "id": 1,
4
  "result": [
5
    {
6
      "type": "CALL",
7
      "from": "0x3b5b09d988ba5be25d130a6959a7e4dc5cad4578",
8
      "to": "0x7a250d5630b4cf539739df2c5dacb4c659f2488d",
9
      "value": "0x2386f26fc10000",
10
      "gas": "0x55730",
11
      "gasUsed": "0x3d227",
12
      "input": "0x7ff36ab5000000000000000000000000000000000000000000000000000b8d442e2d8b000000000000000000000000000003b5b09d988ba5be25d130a6959a7e4dc5cad45780000000000000000000000000000000000000000000000000000000064a571e9",
13
      "output": "0x0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000002e90edd00000",
14
      "calls": [
15
        {
16
          "type": "CALL",
17
          "from": "0x7a250d5630b4cf539739df2c5dacb4c659f2488d",
18
          "to": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
19
          "value": "0x2386f26fc10000",
20
          "gas": "0x12e04",
21
          "gasUsed": "0x8fc",
22
          "input": "0xd0e30db0",
23
          "output": "0x",
24
          "calls": []
25
        },
26
        {
27
          "type": "CALL",
28
          "from": "0x7a250d5630b4cf539739df2c5dacb4c659f2488d",
29
          "to": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
30
          "value": "0x0",
31
          "gas": "0x11b36",
32
          "gasUsed": "0x2c33",
33
          "input": "0xa9059cbb0000000000000000000000005c69bee701ef814a2b6a3edd4b1652cb9cc5aa6f0000000000000000000000000000000000000000000000000002386f26fc10000",
34
          "output": "0x0000000000000000000000000000000000000000000000000000000000000001",
35
          "calls": []
36
        }
37
      ]
38
    },
39
    {
40
      "type": "CALL",
41
      "from": "0xf04a5cc80b1e94c69b48f5ee68a08cd2f09a7c3e",
42
      "to": "0x881d40237659c251811cec9c364ef91dc08d300c",
43
      "value": "0x0",
44
      "gas": "0x29dbb",
45
      "gasUsed": "0x16e0a",
46
      "input": "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",
47
      "output": "0x0000000000000000000000000000000000000000000000000029e8d66e8203c2e",
48
      "calls": []
49
    }
50
  ]
51
}

1
{
2
  "jsonrpc": "2.0",
3
  "id": 1,
4
  "result": [
5
    {
6
      "type": "CALL",
7
      "from": "0x3b5b09d988ba5be25d130a6959a7e4dc5cad4578",
8
      "to": "0x7a250d5630b4cf539739df2c5dacb4c659f2488d",
9
      "value": "0x2386f26fc10000",
10
      "gas": "0x55730",
11
      "gasUsed": "0x3d227",
12
      "input": "0x7ff36ab5000000000000000000000000000000000000000000000000000b8d442e2d8b000000000000000000000000000003b5b09d988ba5be25d130a6959a7e4dc5cad45780000000000000000000000000000000000000000000000000000000064a571e9",
13
      "output": "0x0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000002e90edd00000",
14
      "calls": [
15
        {
16
          "type": "CALL",
17
          "from": "0x7a250d5630b4cf539739df2c5dacb4c659f2488d",
18
          "to": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
19
          "value": "0x2386f26fc10000",
20
          "gas": "0x12e04",
21
          "gasUsed": "0x8fc",
22
          "input": "0xd0e30db0",
23
          "output": "0x",
24
          "calls": []
25
        },
26
        {
27
          "type": "CALL",
28
          "from": "0x7a250d5630b4cf539739df2c5dacb4c659f2488d",
29
          "to": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
30
          "value": "0x0",
31
          "gas": "0x11b36",
32
          "gasUsed": "0x2c33",
33
          "input": "0xa9059cbb0000000000000000000000005c69bee701ef814a2b6a3edd4b1652cb9cc5aa6f0000000000000000000000000000000000000000000000000002386f26fc10000",
34
          "output": "0x0000000000000000000000000000000000000000000000000000000000000001",
35
          "calls": []
36
        }
37
      ]
38
    },
39
    {
40
      "type": "CALL",
41
      "from": "0xf04a5cc80b1e94c69b48f5ee68a08cd2f09a7c3e",
42
      "to": "0x881d40237659c251811cec9c364ef91dc08d300c",
43
      "value": "0x0",
44
      "gas": "0x29dbb",
45
      "gasUsed": "0x16e0a",
46
      "input": "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",
47
      "output": "0x0000000000000000000000000000000000000000000000000029e8d66e8203c2e",
48
      "calls": []
49
    }
50
  ]
51
}

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