Parameters

blockNumber/tag

string

REQUIRED

The block number in either hexadecimal or integer format, or the string (latest or earliest)

Returns

chainId

integer

The identifier for the blockchain network

istanbulCompatibleBlock

integer

The block number when Istanbul hard fork compatibility was activated

londonCompatibleBlock

integer

The block number when London hard fork compatibility was activated

ethTxTypeCompatibleBlock

integer

The block number when Ethereum transaction type compatibility was activated

magmaCompatibleBlock

integer

The block number when Magma hard fork compatibility was activated

koreCompatibleBlock

integer

The block number when Kore hard fork compatibility was activated

shanghaiCompatibleBlock

integer

The block number when Shanghai hard fork compatibility was activated

cancunCompatibleBlock

integer

The block number when Cancun hard fork compatibility was activated

kaiaCompatibleBlock

integer

The block number when Kaia hard fork compatibility was activated

kip103CompatibleBlock

integer

The block number when KIP-103 (Klaytn Improvement Proposal) compatibility was activated

kip103ContractAddress

string

The address of the contract for KIP-103

kip160CompatibleBlock

integer

The block number when KIP-160 compatibility was activated

kip160ContractAddress

string

The address of the contract for KIP-160

randaoCompatibleBlock

integer

The block number when RANDAO protocol compatibility was activated

istanbul

object

The istanbul object which contains the following fields:

epoch

integer

The duration of an epoch in seconds

policy

integer

The policy number defining the consensus policy

sub

integer

The sub-policy or configuration identifier

unitPrice

integer

The base gas price per transaction unit in the network

deriveShaImpl

integer

The version of the SHA implementation used for deriving keys

governance

object

The governance object which contains the following fields:

governingNode

string

The address of the current governing node in the network

governanceMode

string

The mode of governance

govParamContract

string

The contract address responsible for governing parameters

reward

object

The reward object which contains the following fields:

mintingAmount

integer

The amount of KLAY minted per block

ratio

string

The reward distribution ratio among validators, proposers, and other parties

kip82ratio

string

The KIP-82 specific reward distribution ratio

useGiniCoeff

boolean

A boolean flag indicating whether the Gini coefficient is used for reward calculations

deferredTxFee

boolean

A boolean flag indicating whether transaction fees are deferred

stakingUpdateInterval

integer

The time interval in seconds for updating staking parameters

proposerUpdateInterval

integer

The time interval in seconds for updating block proposers

minimumStake

integer

The minimum amount of KLAY required to participate as a validator

kip71

object

The kip71 object which contains the following fields:

lowerboundbasefee

integer

The minimum base fee per gas unit

upperboundbasefee

integer

The maximum base fee per gas unit

gastarget

integer

The target gas usage per block

maxblockgasusedforbasefee

integer

The maximum gas used per block for base fee calculation

basefeedenominator

integer

The denominator used to calculate base fee adjustments

Request

1
curl https://docs-demo.kaia-kairos.quiknode.pro/ \
2
  -X POST \
3
  -H "Content-Type: application/json" \
4
  --data '{
5
  "method": "klay_getChainConfig",
6
  "id": 1,
7
  "jsonrpc": "2.0",
8
  "params": [
9
    100
10
  ]
11
}'

1
curl https://docs-demo.kaia-kairos.quiknode.pro/ \
2
  -X POST \
3
  -H "Content-Type: application/json" \
4
  --data '{
5
  "method": "klay_getChainConfig",
6
  "id": 1,
7
  "jsonrpc": "2.0",
8
  "params": [
9
    100
10
  ]
11
}'

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

4
var raw = JSON.stringify({
5
  "method": "klay_getChainConfig",
6
  "id": 1,
7
  "jsonrpc": "2.0",
8
  "params": [
9
    100
10
  ]
11
});
12

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

20
fetch("https://docs-demo.kaia-kairos.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": "klay_getChainConfig",
6
  "id": 1,
7
  "jsonrpc": "2.0",
8
  "params": [
9
    100
10
  ]
11
});
12

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

20
fetch("https://docs-demo.kaia-kairos.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.kaia-kairos.quiknode.pro/"
5

6
payload = json.dumps({
7
  "method": "klay_getChainConfig",
8
  "id": 1,
9
  "jsonrpc": "2.0",
10
  "params": [
11
    100
12
  ]
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.kaia-kairos.quiknode.pro/"
5

6
payload = json.dumps({
7
  "method": "klay_getChainConfig",
8
  "id": 1,
9
  "jsonrpc": "2.0",
10
  "params": [
11
    100
12
  ]
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.kaia-kairos.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": "klay_getChainConfig",
14
  "id": 1,
15
  "jsonrpc": "2.0",
16
  "params": [
17
    100
18
  ]
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.kaia-kairos.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": "klay_getChainConfig",
14
  "id": 1,
15
  "jsonrpc": "2.0",
16
  "params": [
17
    100
18
  ]
19
})
20

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

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