Parameters

address

string

REQUIRED

The address of the smart contract from which the bytecode will be obtained

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

Returns

result

The bytecode from a given address returned as a string

Request

1
curl -X POST "https://docs-demo.optimism.quiknode.pro/" \
2
  -H "Content-Type: application/json" \
3
  -d '{
4
  "jsonrpc": "2.0",
5
  "method": "eth_getCode",
6
  "params": [
7
    "0x5B56438000bAc5ed2c6E0c1EcFF4354aBfFaf889",
8
    "latest"
9
  ],
10
  "id": 1
11
}'

1
curl -X POST "https://docs-demo.optimism.quiknode.pro/" \
2
  -H "Content-Type: application/json" \
3
  -d '{
4
  "jsonrpc": "2.0",
5
  "method": "eth_getCode",
6
  "params": [
7
    "0x5B56438000bAc5ed2c6E0c1EcFF4354aBfFaf889",
8
    "latest"
9
  ],
10
  "id": 1
11
}'

1
import { ethers } from "ethers";
2

3
async function main() {
4
    const provider = new ethers.JsonRpcProvider("https://docs-demo.optimism.quiknode.pro/");
5
    const response = await provider.send("eth_getCode", [
6
    "0x5B56438000bAc5ed2c6E0c1EcFF4354aBfFaf889",
7
    "latest"
8
]);
9
    console.log(response);
10
}
11

12
main();

1
import { ethers } from "ethers";
2

3
async function main() {
4
    const provider = new ethers.JsonRpcProvider("https://docs-demo.optimism.quiknode.pro/");
5
    const response = await provider.send("eth_getCode", [
6
    "0x5B56438000bAc5ed2c6E0c1EcFF4354aBfFaf889",
7
    "latest"
8
]);
9
    console.log(response);
10
}
11

12
main();

1
from web3 import Web3, HTTPProvider
2
w3 = Web3(HTTPProvider('https://docs-demo.optimism.quiknode.pro/'))
3
response = w3.provider.make_request("eth_getCode", ["0x5B56438000bAc5ed2c6E0c1EcFF4354aBfFaf889","latest"])
4
print(response)

1
from web3 import Web3, HTTPProvider
2
w3 = Web3(HTTPProvider('https://docs-demo.optimism.quiknode.pro/'))
3
response = w3.provider.make_request("eth_getCode", ["0x5B56438000bAc5ed2c6E0c1EcFF4354aBfFaf889","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.optimism.quiknode.pro/')
6
    })
7

8
    const result = await client.request({
9
        method: 'eth_getCode',
10
        params: [
11
          "0x5B56438000bAc5ed2c6E0c1EcFF4354aBfFaf889",
12
          "latest"
13
        ]
14
    })
15

16
    console.log(result)
17
}
18

19
main()

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

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

8
    const result = await client.request({
9
        method: 'eth_getCode',
10
        params: [
11
          "0x5B56438000bAc5ed2c6E0c1EcFF4354aBfFaf889",
12
          "latest"
13
        ]
14
    })
15

16
    console.log(result)
17
}
18

19
main()

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

3
const qn = new QuicknodeSdk({})
4

5
const result = await qn.rpc.call(
6
  'eth_getCode',
7
  [
8
  "0x5B56438000bAc5ed2c6E0c1EcFF4354aBfFaf889",
9
  "latest"
10
],
11
  undefined,
12
  'https://docs-demo.optimism.quiknode.pro/'
13
)
14

15
console.log(result)

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

3
const qn = new QuicknodeSdk({})
4

5
const result = await qn.rpc.call(
6
  'eth_getCode',
7
  [
8
  "0x5B56438000bAc5ed2c6E0c1EcFF4354aBfFaf889",
9
  "latest"
10
],
11
  undefined,
12
  'https://docs-demo.optimism.quiknode.pro/'
13
)
14

15
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
        "eth_getCode",
8
        [
9
            "0x5B56438000bAc5ed2c6E0c1EcFF4354aBfFaf889",
10
            "latest"
11
        ],
12
        endpoint_url="https://docs-demo.optimism.quiknode.pro/",
13
    )
14
    print(result)
15

16
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
        "eth_getCode",
8
        [
9
            "0x5B56438000bAc5ed2c6E0c1EcFF4354aBfFaf889",
10
            "latest"
11
        ],
12
        endpoint_url="https://docs-demo.optimism.quiknode.pro/",
13
    )
14
    print(result)
15

16
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: "eth_getCode",
7
  params: [
8
    "0x5B56438000bAc5ed2c6E0c1EcFF4354aBfFaf889",
9
    "latest"
10
  ],
11
  endpoint_url: "https://docs-demo.optimism.quiknode.pro/"
12
)
13

14
puts result

1
require "quicknode_sdk"
2

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

5
result = qn.rpc.call(
6
  method: "eth_getCode",
7
  params: [
8
    "0x5B56438000bAc5ed2c6E0c1EcFF4354aBfFaf889",
9
    "latest"
10
  ],
11
  endpoint_url: "https://docs-demo.optimism.quiknode.pro/"
12
)
13

14
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
            "eth_getCode",
10
            Some(serde_json::json!([
11
    "0x5B56438000bAc5ed2c6E0c1EcFF4354aBfFaf889",
12
    "latest"
13
])),
14
            None,
15
            Some("https://docs-demo.optimism.quiknode.pro/".into()),
16
        )
17
        .await?;
18

19
    println!("{result}");
20
    Ok(())
21
}

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
            "eth_getCode",
10
            Some(serde_json::json!([
11
    "0x5B56438000bAc5ed2c6E0c1EcFF4354aBfFaf889",
12
    "latest"
13
])),
14
            None,
15
            Some("https://docs-demo.optimism.quiknode.pro/".into()),
16
        )
17
        .await?;
18

19
    println!("{result}");
20
    Ok(())
21
}

1
const body = {
2
    jsonrpc: '2.0',
3
    method: 'eth_getCode',
4
    params: ["0x5B56438000bAc5ed2c6E0c1EcFF4354aBfFaf889","latest"],
5
    id: 1
6
}
7

8
async function main() {
9
    const response = await fetch('https://docs-demo.optimism.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: 'eth_getCode',
4
    params: ["0x5B56438000bAc5ed2c6E0c1EcFF4354aBfFaf889","latest"],
5
    id: 1
6
}
7

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

6
payload = json.dumps({
7
  "jsonrpc": "2.0",
8
  "method": "eth_getCode",
9
  "params": [
10
    "0x5B56438000bAc5ed2c6E0c1EcFF4354aBfFaf889",
11
    "latest"
12
  ],
13
  "id": 1
14
})
15
headers = {
16
  'Content-Type': 'application/json'
17
}
18

19
response = requests.request("POST", url, headers=headers, data=payload)
20

21
print(response.text)

1
import requests
2
import json
3

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

6
payload = json.dumps({
7
  "jsonrpc": "2.0",
8
  "method": "eth_getCode",
9
  "params": [
10
    "0x5B56438000bAc5ed2c6E0c1EcFF4354aBfFaf889",
11
    "latest"
12
  ],
13
  "id": 1
14
})
15
headers = {
16
  'Content-Type': 'application/json'
17
}
18

19
response = requests.request("POST", url, headers=headers, data=payload)
20

21
print(response.text)

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

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

7
payload = {
8
  jsonrpc: "2.0",
9
  id: 1,
10
  method: "eth_getCode",
11
  params: ["0x5B56438000bAc5ed2c6E0c1EcFF4354aBfFaf889","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.optimism.quiknode.pro/")
6

7
payload = {
8
  jsonrpc: "2.0",
9
  id: 1,
10
  method: "eth_getCode",
11
  params: ["0x5B56438000bAc5ed2c6E0c1EcFF4354aBfFaf889","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
  "jsonrpc": "2.0",
3
  "id": 1,
4
  "result": "0x"
5
}

1
{
2
  "jsonrpc": "2.0",
3
  "id": 1,
4
  "result": "0x"
5
}

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