Parameters

block_id

string

The ID of the block to execute the script against. For a specific block height, use block_height instead

block_height

string

The block height for which the script is to be run. The string final and sealed are also supported. This parameter is incompatible with block_id

script

string

The Base64 encoded content of the Cadence script

arguments

array

A list of arguments each encoded as Base64 passed in the JSON-Cadence interchange format

Returns

value

string

The result of the executed Cadence script

Request

1
SCRIPT=$(echo 'pub fun main(greeting: String): String { return greeting }' | base64)
2
GREETING=$(echo '{"type":"String","value":"Hello world"}' | base64)
3

4
curl --location https://docs-demo.flow-mainnet.quiknode.pro/v1/scripts \
5
    -H 'Content-Type: application/json' \
6
    -d "{\"script\": \"${SCRIPT}\",\"arguments\":[\"${GREETING}\"]}"

1
SCRIPT=$(echo 'pub fun main(greeting: String): String { return greeting }' | base64)
2
GREETING=$(echo '{"type":"String","value":"Hello world"}' | base64)
3

4
curl --location https://docs-demo.flow-mainnet.quiknode.pro/v1/scripts \
5
    -H 'Content-Type: application/json' \
6
    -d "{\"script\": \"${SCRIPT}\",\"arguments\":[\"${GREETING}\"]}"

1
const SCRIPT = btoa('pub fun main(greeting: String): String { return greeting }');
2
const GREETING = btoa(JSON.stringify({"type": "String", "value": "Hello world"}));
3
  
4

5
const data = {
6
    script: SCRIPT,
7
    arguments: [GREETING]
8
};
9

10
const headers = {
11
  'Content-Type': 'application/json'
12
  };
13

14
fetch("https://docs-demo.flow-mainnet.quiknode.pro/v1/scripts", {
15
    method: 'POST',
16
    headers: headers,
17
    body: JSON.stringify(data)
18
  })
19
  .then(response => response.json())
20
  .then(data => console.log(data))
21
  .catch(error => console.error(error));

1
const SCRIPT = btoa('pub fun main(greeting: String): String { return greeting }');
2
const GREETING = btoa(JSON.stringify({"type": "String", "value": "Hello world"}));
3
  
4

5
const data = {
6
    script: SCRIPT,
7
    arguments: [GREETING]
8
};
9

10
const headers = {
11
  'Content-Type': 'application/json'
12
  };
13

14
fetch("https://docs-demo.flow-mainnet.quiknode.pro/v1/scripts", {
15
    method: 'POST',
16
    headers: headers,
17
    body: JSON.stringify(data)
18
  })
19
  .then(response => response.json())
20
  .then(data => console.log(data))
21
  .catch(error => console.error(error));

1
import base64
2
import json
3
import requests
4

5
SCRIPT = base64.b64encode(b'pub fun main(greeting: String): String { return greeting }').decode('utf-8')
6
GREETING = base64.b64encode(b'{"type":"String","value":"Hello world"}').decode('utf-8')
7

8
url = 'https://docs-demo.flow-mainnet.quiknode.pro/v1/scripts'
9
data = {
10
    'script': SCRIPT,
11
    'arguments': [GREETING]
12
}
13
headers = {
14
    'Content-Type': 'application/json'
15
}
16

17
response = requests.post(url, data=json.dumps(data), headers=headers)
18

19
print(response.text)

1
import base64
2
import json
3
import requests
4

5
SCRIPT = base64.b64encode(b'pub fun main(greeting: String): String { return greeting }').decode('utf-8')
6
GREETING = base64.b64encode(b'{"type":"String","value":"Hello world"}').decode('utf-8')
7

8
url = 'https://docs-demo.flow-mainnet.quiknode.pro/v1/scripts'
9
data = {
10
    'script': SCRIPT,
11
    'arguments': [GREETING]
12
}
13
headers = {
14
    'Content-Type': 'application/json'
15
}
16

17
response = requests.post(url, data=json.dumps(data), headers=headers)
18

19
print(response.text)

1
require 'net/http'
2
require 'json'
3
require 'base64'
4

5
SCRIPT = Base64.strict_encode64('pub fun main(greeting: String): String { return greeting }')
6
GREETING = Base64.strict_encode64('{"type":"String","value":"Hello world"}')
7

8
url = URI("https://docs-demo.flow-mainnet.quiknode.pro/v1/scripts")
9
headers = { 'Content-Type' => 'application/json' }
10
data = { 'script' => SCRIPT, 'arguments' => [GREETING] }
11

12
http = Net::HTTP.new(url.host, url.port)
13
http.use_ssl = true
14
request = Net::HTTP::Post.new(url, headers)
15
request.body = JSON.generate(data)
16

17
response = http.request(request)
18
puts response.body

1
require 'net/http'
2
require 'json'
3
require 'base64'
4

5
SCRIPT = Base64.strict_encode64('pub fun main(greeting: String): String { return greeting }')
6
GREETING = Base64.strict_encode64('{"type":"String","value":"Hello world"}')
7

8
url = URI("https://docs-demo.flow-mainnet.quiknode.pro/v1/scripts")
9
headers = { 'Content-Type' => 'application/json' }
10
data = { 'script' => SCRIPT, 'arguments' => [GREETING] }
11

12
http = Net::HTTP.new(url.host, url.port)
13
http.use_ssl = true
14
request = Net::HTTP::Post.new(url, headers)
15
request.body = JSON.generate(data)
16

17
response = http.request(request)
18
puts response.body

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