Parameters

tx_hash

string

REQUIRED

The hash of the L2 transaction

l2_to_l1_log_index

integer

The index of the L2 to L1 log in the transaction

Returns

id

The position of the leaf in the Merkle tree of L2->L1 messages for the block

proof

The Merkle proof for the message

root

The root hash representing the Merkle tree root at the time the L2 to L1 log was generated

Request

1
curl -X POST "https://docs-demo.zksync-mainnet.quiknode.pro/" \
2
  -H "Content-Type: application/json" \
3
  -d '{
4
  "jsonrpc": "2.0",
5
  "method": "zks_getL2ToL1LogProof",
6
  "params": [
7
    "0x2a1c6c74b184965c0cb015aae9ea134fd96215d2e4f4979cfec12563295f610e"
8
  ],
9
  "id": 1
10
}'

1
curl -X POST "https://docs-demo.zksync-mainnet.quiknode.pro/" \
2
  -H "Content-Type: application/json" \
3
  -d '{
4
  "jsonrpc": "2.0",
5
  "method": "zks_getL2ToL1LogProof",
6
  "params": [
7
    "0x2a1c6c74b184965c0cb015aae9ea134fd96215d2e4f4979cfec12563295f610e"
8
  ],
9
  "id": 1
10
}'

1
import { ethers } from "ethers";
2

3
async function main() {
4
    const provider = new ethers.JsonRpcProvider("https://docs-demo.zksync-mainnet.quiknode.pro/");
5
    const response = await provider.send("zks_getL2ToL1LogProof", [
6
    "0x2a1c6c74b184965c0cb015aae9ea134fd96215d2e4f4979cfec12563295f610e"
7
]);
8
    console.log(response);
9
}
10

11
main();

1
import { ethers } from "ethers";
2

3
async function main() {
4
    const provider = new ethers.JsonRpcProvider("https://docs-demo.zksync-mainnet.quiknode.pro/");
5
    const response = await provider.send("zks_getL2ToL1LogProof", [
6
    "0x2a1c6c74b184965c0cb015aae9ea134fd96215d2e4f4979cfec12563295f610e"
7
]);
8
    console.log(response);
9
}
10

11
main();

1
require 'eth'
2

3
client = Eth::Client.create 'https://docs-demo.zksync-mainnet.quiknode.pro/'
4
payload = {
5
    "jsonrpc": "2.0",
6
    "method": "zks_getL2ToL1LogProof",
7
    "params": [
8
        "0x2a1c6c74b184965c0cb015aae9ea134fd96215d2e4f4979cfec12563295f610e"
9
    ],
10
    "id": "1"
11
}
12

13
response = client.send(payload.to_json)
14
puts response

1
require 'eth'
2

3
client = Eth::Client.create 'https://docs-demo.zksync-mainnet.quiknode.pro/'
4
payload = {
5
    "jsonrpc": "2.0",
6
    "method": "zks_getL2ToL1LogProof",
7
    "params": [
8
        "0x2a1c6c74b184965c0cb015aae9ea134fd96215d2e4f4979cfec12563295f610e"
9
    ],
10
    "id": "1"
11
}
12

13
response = client.send(payload.to_json)
14
puts response

1
from web3 import Web3, HTTPProvider
2
w3 = Web3(HTTPProvider('https://docs-demo.zksync-mainnet.quiknode.pro/'))
3
response = w3.provider.make_request("zks_getL2ToL1LogProof", ["0x2a1c6c74b184965c0cb015aae9ea134fd96215d2e4f4979cfec12563295f610e"])
4
print(response)

1
from web3 import Web3, HTTPProvider
2
w3 = Web3(HTTPProvider('https://docs-demo.zksync-mainnet.quiknode.pro/'))
3
response = w3.provider.make_request("zks_getL2ToL1LogProof", ["0x2a1c6c74b184965c0cb015aae9ea134fd96215d2e4f4979cfec12563295f610e"])
4
print(response)

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

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

8
    const result = await client.request({
9
        method: 'zks_getL2ToL1LogProof',
10
        params: [
11
          "0x2a1c6c74b184965c0cb015aae9ea134fd96215d2e4f4979cfec12563295f610e"
12
        ]
13
    })
14

15
    console.log(result)
16
}
17

18
main()

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

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

8
    const result = await client.request({
9
        method: 'zks_getL2ToL1LogProof',
10
        params: [
11
          "0x2a1c6c74b184965c0cb015aae9ea134fd96215d2e4f4979cfec12563295f610e"
12
        ]
13
    })
14

15
    console.log(result)
16
}
17

18
main()

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

3
const qn = new QuicknodeSdk({})
4

5
const result = await qn.rpc.call(
6
  'zks_getL2ToL1LogProof',
7
  [
8
  "0x2a1c6c74b184965c0cb015aae9ea134fd96215d2e4f4979cfec12563295f610e"
9
],
10
  undefined,
11
  'https://docs-demo.zksync-mainnet.quiknode.pro/'
12
)
13

14
console.log(result)

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

3
const qn = new QuicknodeSdk({})
4

5
const result = await qn.rpc.call(
6
  'zks_getL2ToL1LogProof',
7
  [
8
  "0x2a1c6c74b184965c0cb015aae9ea134fd96215d2e4f4979cfec12563295f610e"
9
],
10
  undefined,
11
  'https://docs-demo.zksync-mainnet.quiknode.pro/'
12
)
13

14
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
        "zks_getL2ToL1LogProof",
8
        [
9
            "0x2a1c6c74b184965c0cb015aae9ea134fd96215d2e4f4979cfec12563295f610e"
10
        ],
11
        endpoint_url="https://docs-demo.zksync-mainnet.quiknode.pro/",
12
    )
13
    print(result)
14

15
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
        "zks_getL2ToL1LogProof",
8
        [
9
            "0x2a1c6c74b184965c0cb015aae9ea134fd96215d2e4f4979cfec12563295f610e"
10
        ],
11
        endpoint_url="https://docs-demo.zksync-mainnet.quiknode.pro/",
12
    )
13
    print(result)
14

15
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: "zks_getL2ToL1LogProof",
7
  params: [
8
    "0x2a1c6c74b184965c0cb015aae9ea134fd96215d2e4f4979cfec12563295f610e"
9
  ],
10
  endpoint_url: "https://docs-demo.zksync-mainnet.quiknode.pro/"
11
)
12

13
puts result

1
require "quicknode_sdk"
2

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

5
result = qn.rpc.call(
6
  method: "zks_getL2ToL1LogProof",
7
  params: [
8
    "0x2a1c6c74b184965c0cb015aae9ea134fd96215d2e4f4979cfec12563295f610e"
9
  ],
10
  endpoint_url: "https://docs-demo.zksync-mainnet.quiknode.pro/"
11
)
12

13
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
            "zks_getL2ToL1LogProof",
10
            Some(serde_json::json!([
11
    "0x2a1c6c74b184965c0cb015aae9ea134fd96215d2e4f4979cfec12563295f610e"
12
])),
13
            None,
14
            Some("https://docs-demo.zksync-mainnet.quiknode.pro/".into()),
15
        )
16
        .await?;
17

18
    println!("{result}");
19
    Ok(())
20
}

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
            "zks_getL2ToL1LogProof",
10
            Some(serde_json::json!([
11
    "0x2a1c6c74b184965c0cb015aae9ea134fd96215d2e4f4979cfec12563295f610e"
12
])),
13
            None,
14
            Some("https://docs-demo.zksync-mainnet.quiknode.pro/".into()),
15
        )
16
        .await?;
17

18
    println!("{result}");
19
    Ok(())
20
}

1
const body = {
2
    jsonrpc: '2.0',
3
    method: 'zks_getL2ToL1LogProof',
4
    params: ["0x2a1c6c74b184965c0cb015aae9ea134fd96215d2e4f4979cfec12563295f610e"],
5
    id: 1
6
}
7

8
async function main() {
9
    const response = await fetch('https://docs-demo.zksync-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: 'zks_getL2ToL1LogProof',
4
    params: ["0x2a1c6c74b184965c0cb015aae9ea134fd96215d2e4f4979cfec12563295f610e"],
5
    id: 1
6
}
7

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

6
payload = json.dumps({
7
  "jsonrpc": "2.0",
8
  "method": "zks_getL2ToL1LogProof",
9
  "params": [
10
    "0x2a1c6c74b184965c0cb015aae9ea134fd96215d2e4f4979cfec12563295f610e"
11
  ],
12
  "id": 1
13
})
14
headers = {
15
  'Content-Type': 'application/json'
16
}
17

18
response = requests.request("POST", url, headers=headers, data=payload)
19

20
print(response.text)

1
import requests
2
import json
3

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

6
payload = json.dumps({
7
  "jsonrpc": "2.0",
8
  "method": "zks_getL2ToL1LogProof",
9
  "params": [
10
    "0x2a1c6c74b184965c0cb015aae9ea134fd96215d2e4f4979cfec12563295f610e"
11
  ],
12
  "id": 1
13
})
14
headers = {
15
  'Content-Type': 'application/json'
16
}
17

18
response = requests.request("POST", url, headers=headers, data=payload)
19

20
print(response.text)

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

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

7
payload = {
8
  jsonrpc: "2.0",
9
  id: 1,
10
  method: "zks_getL2ToL1LogProof",
11
  params: ["0x2a1c6c74b184965c0cb015aae9ea134fd96215d2e4f4979cfec12563295f610e"]
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.zksync-mainnet.quiknode.pro/")
6

7
payload = {
8
  jsonrpc: "2.0",
9
  id: 1,
10
  method: "zks_getL2ToL1LogProof",
11
  params: ["0x2a1c6c74b184965c0cb015aae9ea134fd96215d2e4f4979cfec12563295f610e"]
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
    "proof": [
6
      "0x8c48910df2ca7de509daf50b3182fcdf2dd6c422c6704054fd857d6c9516d6fc",
7
      "0xc5028885760b8b596c4fa11497c783752cb3a3fb3b8e6b52d7e54b9f1c63521e",
8
      "0xeb1f451eb8163723ee19940cf3a8f2a2afdf51100ce8ba25839bd94a057cda16",
9
      "0x7aabfd367dea2b5306b8071c246b99566dae551a1dbd40da791e66c4f696b236",
10
      "0xe4733f281f18ba3ea8775dd62d2fcd84011c8c938f16ea5790fd29a03bf8db89",
11
      "0x1798a1fd9c8fbb818c98cff190daa7cc10b6e5ac9716b4a2649f7c2ebcef2272",
12
      "0x66d7c5983afe44cf15ea8cf565b34c6c31ff0cb4dd744524f7842b942d08770d",
13
      "0xb04e5ee349086985f74b73971ce9dfe76bbed95c84906c5dffd96504e1e5396c",
14
      "0xac506ecb5465659b3a927143f6d724f91d8d9c4bdb2463aee111d9aa869874db"
15
    ],
16
    "id": 0,
17
    "root": "0x920c63cb0066a08da45f0a9bf934517141bd72d8e5a51421a94b517bf49a0d39"
18
  }
19
}

1
{
2
  "jsonrpc": "2.0",
3
  "id": 1,
4
  "result": {
5
    "proof": [
6
      "0x8c48910df2ca7de509daf50b3182fcdf2dd6c422c6704054fd857d6c9516d6fc",
7
      "0xc5028885760b8b596c4fa11497c783752cb3a3fb3b8e6b52d7e54b9f1c63521e",
8
      "0xeb1f451eb8163723ee19940cf3a8f2a2afdf51100ce8ba25839bd94a057cda16",
9
      "0x7aabfd367dea2b5306b8071c246b99566dae551a1dbd40da791e66c4f696b236",
10
      "0xe4733f281f18ba3ea8775dd62d2fcd84011c8c938f16ea5790fd29a03bf8db89",
11
      "0x1798a1fd9c8fbb818c98cff190daa7cc10b6e5ac9716b4a2649f7c2ebcef2272",
12
      "0x66d7c5983afe44cf15ea8cf565b34c6c31ff0cb4dd744524f7842b942d08770d",
13
      "0xb04e5ee349086985f74b73971ce9dfe76bbed95c84906c5dffd96504e1e5396c",
14
      "0xac506ecb5465659b3a927143f6d724f91d8d9c4bdb2463aee111d9aa869874db"
15
    ],
16
    "id": 0,
17
    "root": "0x920c63cb0066a08da45f0a9bf934517141bd72d8e5a51421a94b517bf49a0d39"
18
  }
19
}

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