Get Contract State

POST

https://ont.nownodes.io/

Authorizations

ApiKeyAuthApiKeyAuth

api-key string

NOWNodes API key passed in the api-key header.

Returns detailed information about a deployed smart contract, including its code, author, and other metadata. The contract is identified by its script hash.

Body

application/json

jsonrpcstring

The JSON-RPC protocol version. Always "2.0".

methodstring

The RPC method name to be invoked.

paramsArray<string>

An array containing the contract script hash in hexadecimal format.

idinteger

The request identifier used to match the response with the request.

Response

200OK

Successful response with contract state information.

Get Contract State

curl -X POST 'https://ont.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "getcontractstate",
    "params": [
      "0100000000000000000000000000000000000000"
    ],
    "id": 1
  }'

import { JsonRpcProvider } from "ethers";

const provider = new JsonRpcProvider("https://ont.nownodes.io/");
const result = await provider.send("getcontractstate", [
  "0100000000000000000000000000000000000000"
]);
console.log(result);

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

uri = URI('https://ont.nownodes.io/')
request = Net::HTTP::Post.new(uri)
request['Content-Type'] = 'application/json'
request.body = '{
  "jsonrpc": "2.0",
  "method": "getcontractstate",
  "params": [
    "0100000000000000000000000000000000000000"
  ],
  "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://ont.nownodes.io/"))
response = w3.provider.make_request("getcontractstate", [
  "0100000000000000000000000000000000000000"
])
print(response)

import { createPublicClient, http } from "viem";

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

const result = await client.request({
  method: "getcontractstate",
  params: [
  "0100000000000000000000000000000000000000"
],
});

console.log(result);

const endpoint = "https://ont.nownodes.io/";
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: "getcontractstate", params: [
  "0100000000000000000000000000000000000000"
], id: 1 });
console.log(result);

const response = await fetch('https://ont.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "getcontractstate",
      "params": [
        "0100000000000000000000000000000000000000"
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "getcontractstate",
  "params": [
    "0100000000000000000000000000000000000000"
  ],
  "id": 1
}

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

require 'net/http'
require 'json'

uri = URI('https://ont.nownodes.io/')
request = Net::HTTP::Post.new(uri)
request['Content-Type'] = 'application/json'
request.body = '{
    "jsonrpc": "2.0",
    "method": "getcontractstate",
    "params": [
      "0100000000000000000000000000000000000000"
    ],
    "id": 1
  }'

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

Request Body

{
  "jsonrpc": "2.0",
  "method": "getcontractstate",
  "params": [
    "0100000000000000000000000000000000000000"
  ],
  "id": 1
}

200

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "version": 0,
    "hash": "0100000000000000000000000000000000000000",
    "block_height": 1000,
    "author": "ANH5eoE1mzyzFsH27FHqmPYSm414Z6W7LX",
    "email": "[email protected]",
    "name": "MySmartContract",
    "description": "A sample smart contract on Ontology",
    "code_version": "1.0.0",
    "contract_type": "Native"
  }
}

Documentation

How to migrate to NOWNodes

Get Contract State

Authorizations

Body

Response