Get block by height

POST

https://icx.nownodes.io/api/v3

Authorizations

ApiKeyAuthApiKeyAuth

api-key string

NOWNodes API key passed in the api-key header.

Returns a block from the ICON blockchain by its height.

Body

application/json

JSON-RPC request object

idstringrequired

Unique identifier for the JSON-RPC request.

jsonrpcstringrequired

JSON-RPC protocol version.

methodstringrequired

JSON-RPC method name.

paramsobjectrequired

Parameters for block query.

Show child attributes

heightstring

Block height in hexadecimal format.

Response

200OK

Successful response containing the requested block.

Get block by height

curl -X POST 'https://icx.nownodes.io/api/v3' \
  -H 'Content-Type: application/json' \
  -d '{
    "id": "1",
    "jsonrpc": "2.0",
    "method": "icx_getBlockByHeight",
    "params": {
      "height": "0x100"
    }
  }'

import { JsonRpcProvider } from "ethers";

const provider = new JsonRpcProvider("https://icx.nownodes.io/api/v3");
const result = await provider.send("icx_getBlockByHeight", {
  "height": "0x100"
});
console.log(result);

require 'eth'
require 'json'
require 'net/http'

uri = URI('https://icx.nownodes.io/api/v3')
request = Net::HTTP::Post.new(uri)
request['Content-Type'] = 'application/json'
request.body = '{
  "jsonrpc": "2.0",
  "method": "icx_getBlockByHeight",
  "params": {
    "height": "0x100"
  },
  "id": 1
}'

response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) do |http|
  http.request(request)
end

puts JSON.parse(response.body)

from web3 import Web3

w3 = Web3(Web3.HTTPProvider("https://icx.nownodes.io/api/v3"))
response = w3.provider.make_request("icx_getBlockByHeight", {
  "height": "0x100"
})
print(response)

import { createPublicClient, http } from "viem";

const client = createPublicClient({
  transport: http("https://icx.nownodes.io/api/v3"),
});

const result = await client.request({
  method: "icx_getBlockByHeight",
  params: {
  "height": "0x100"
},
});

console.log(result);

const endpoint = "https://icx.nownodes.io/api/v3";
const apiKey = "YOUR_API_KEY";

async function nownodesRequest(payload) {
  const response = await fetch(endpoint, {
    method: "POST",
    headers: {
      "Content-Type": "application/json",
      "api-key": apiKey,
    },
    body: JSON.stringify(payload),
  });

  return response.json();
}

const result = await nownodesRequest({ jsonrpc: "2.0", method: "icx_getBlockByHeight", params: {
  "height": "0x100"
}, id: 1 });
console.log(result);

const response = await fetch('https://icx.nownodes.io/api/v3', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "id": "1",
      "jsonrpc": "2.0",
      "method": "icx_getBlockByHeight",
      "params": {
        "height": "0x100"
      }
    }),
});

const data = await response.json();

import requests

payload = {
  "id": "1",
  "jsonrpc": "2.0",
  "method": "icx_getBlockByHeight",
  "params": {
    "height": "0x100"
  }
}

response = requests.post('https://icx.nownodes.io/api/v3', json=payload)
data = response.json()

require 'net/http'
require 'json'

uri = URI('https://icx.nownodes.io/api/v3')
request = Net::HTTP::Post.new(uri)
request['Content-Type'] = 'application/json'
request.body = '{
    "id": "1",
    "jsonrpc": "2.0",
    "method": "icx_getBlockByHeight",
    "params": {
      "height": "0x100"
    }
  }'

response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) { |http| http.request(request) }
data = JSON.parse(response.body)

Request Body

{
  "id": "1",
  "jsonrpc": "2.0",
  "method": "icx_getBlockByHeight",
  "params": {
    "height": "0x100"
  }
}

200

{
  "jsonrpc": "2.0",
  "result": {
    "block_hash": "c35d1a1495c19e685111c212cd6cd9290af994f43da04649800e7906f32e0e60",
    "confirmed_transaction_list": [
      {
        "fee": "0x2386f26fc10000",
        "from": "hx2fa0f222a40692fa54ebadb7cfc703f0618f2f1a",
        "method": "icx_sendTransaction",
        "signature": "e2/4ozKQu9Oo3dCMxwvYcUWgcz/LLS2SmVCb/natz5onVvGjFjSBfVIv71AZkMNH8KPWXZz/eK8osW4tnHqmlwE=",
        "timestamp": "1521668857318000",
        "to": "hxd602531cbc85676a5f4cecfdac8ec28c85985112",
        "tx_hash": "18e03233a183eae2ae9830a4994955673fa7567e8bcfd4f538f5e4451f065a70",
        "value": "0x9b41fbf9e0aec00000"
      }
    ],
    "height": 256,
    "merkle_tree_root_hash": "18e03233a183eae2ae9830a4994955673fa7567e8bcfd4f538f5e4451f065a70",
    "peer_id": "hx547c6d5f7e80cd97b95cfefbaad919549a80831c",
    "prev_block_hash": "c23487aaaf7b8cf97f8b1613c978d7d9ac8e968c4c2b922de988e7e65e9cf410",
    "signature": "",
    "time_stamp": 1521668862828233,
    "version": "0.1a"
  },
  "id": "1"
}

Documentation

How to migrate to NOWNodes

Get block by height

Authorizations

Body

Response