Parameters

value

boolean

REQUIRED

A boolean value used to trigger the generation of the synchronized chain specification

Returns

result

object

An object representing the chain specification with the sync state

badBlocks

string | null

Any blocks considered 'bad' in the chain

bootNodes

array

An array containing boot nodes, which are nodes used to initiate network connections

chainType

string

The type of the chain

codeSubstitutes

array | object

An array containing code substitutes, if applicable

forkBlocks

string | null

Any fork blocks in the chain

genesis

object

An object representing the genesis state of the chain

raw

object

An object containing raw data related to the genesis state, such as children defaults and top-level data

childrenDefault

array | object

The default values for child entities in the genesis state

top

array | object

It contains top-level entities in the genesis state

id

string

The unique identifier of the chain

lightSyncState

array | object

The state of the light synchronization process

babeEpochChanges

string

The changes in the BABE epoch

babeFinalizedBlockWeight

number | string

The weight of the finalized BABE block

finalizedBlockHeader

string

The header of the finalized block

grandpaAuthoritySet

string

The set of authorities in GRANDPA consensus

name

string

The name of the chain

properties

object

An object containing various properties associated with the chain

ss58Format

integer

The format used for Substrate addresses

tokenDecimals

integer

The number of decimal places used for the native token

tokenSymbol

string

The symbol of the native token

protocolId

string

The unique identifier of the protocol used in the chain

telemetryEndpoints

array

An array containing telemetry endpoints for the chain

Request

1
curl https://docs-demo.dot-mainnet.quiknode.pro/ \
2
 -X POST \
3
 -H "Content-Type: application/json" \
4
 --data '{"method":"sync_state_genSyncSpec","params":[true],"id":1,"jsonrpc":"2.0"}'
5

1
curl https://docs-demo.dot-mainnet.quiknode.pro/ \
2
 -X POST \
3
 -H "Content-Type: application/json" \
4
 --data '{"method":"sync_state_genSyncSpec","params":[true],"id":1,"jsonrpc":"2.0"}'
5

1
var myHeaders = new Headers();
2
myHeaders.append("Content-Type", "application/json");
3

4
var raw = JSON.stringify({
5
  "method": "sync_state_genSyncSpec",
6
  "params": [
7
    true
8
  ],
9
  "id": 1,
10
  "jsonrpc": "2.0"
11
});
12

13
var requestOptions = {
14
  method: 'POST',
15
  headers: myHeaders,
16
  body: raw,
17
  redirect: 'follow'
18
};
19

20
fetch("https://docs-demo.dot-mainnet.quiknode.pro/", requestOptions)
21
  .then(response => response.text())
22
  .then(result => console.log(result))
23
  .catch(error => console.log('error', error));

1
var myHeaders = new Headers();
2
myHeaders.append("Content-Type", "application/json");
3

4
var raw = JSON.stringify({
5
  "method": "sync_state_genSyncSpec",
6
  "params": [
7
    true
8
  ],
9
  "id": 1,
10
  "jsonrpc": "2.0"
11
});
12

13
var requestOptions = {
14
  method: 'POST',
15
  headers: myHeaders,
16
  body: raw,
17
  redirect: 'follow'
18
};
19

20
fetch("https://docs-demo.dot-mainnet.quiknode.pro/", requestOptions)
21
  .then(response => response.text())
22
  .then(result => console.log(result))
23
  .catch(error => console.log('error', error));

1
import requests
2
import json
3

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

6
payload = json.dumps({
7
  "method": "sync_state_genSyncSpec",
8
  "params": [
9
    True
10
  ],
11
  "id": 1,
12
  "jsonrpc": "2.0"
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)
21

1
import requests
2
import json
3

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

6
payload = json.dumps({
7
  "method": "sync_state_genSyncSpec",
8
  "params": [
9
    True
10
  ],
11
  "id": 1,
12
  "jsonrpc": "2.0"
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)
21

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

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

7
https = Net::HTTP.new(url.host, url.port)
8
https.use_ssl = true
9

10
request = Net::HTTP::Post.new(url)
11
request["Content-Type"] = "application/json"
12
request.body = JSON.dump({
13
  "method": "sync_state_genSyncSpec",
14
  "params": [
15
    true
16
  ],
17
  "id": 1,
18
  "jsonrpc": "2.0"
19
})
20

21
response = https.request(request)
22
puts response.read_body
23

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

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

7
https = Net::HTTP.new(url.host, url.port)
8
https.use_ssl = true
9

10
request = Net::HTTP::Post.new(url)
11
request["Content-Type"] = "application/json"
12
request.body = JSON.dump({
13
  "method": "sync_state_genSyncSpec",
14
  "params": [
15
    true
16
  ],
17
  "id": 1,
18
  "jsonrpc": "2.0"
19
})
20

21
response = https.request(request)
22
puts response.read_body
23

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