Query historical storage entries

POST

https://tao.nownodes.io/state_queryStorage

Authorizations

ApiKeyAuthApiKeyAuth

API_key string

NOWNodes API key passed in the api-key header.

Returns the storage changes between two blocks for a set of keys.

Body

application/json

JSON-RPC request parameters

jsonrpcstringrequired

idstringrequired

methodstringrequired

paramsArray<any>required

List of storage keys and block range

Response

200OK

Query storage result

400Bad Request

Malformed address or application ID

401Unauthorized

Invalid API key

500Internal Server Error

Internal server error

Query historical storage entries

curl -X POST 'https://tao.nownodes.io/state_queryStorage' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "id": "test",
    "method": "state_queryStorage",
    "params": [
      "StorageKeys",
      "fromBlock",
      "toBlock"
    ]
  }'

import { JsonRpcProvider } from "ethers";

const provider = new JsonRpcProvider("https://tao.nownodes.io/state_queryStorage");
const result = await provider.send("state_queryStorage", [
  "StorageKeys",
  "fromBlock",
  "toBlock"
]);
console.log(result);

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

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

import { createPublicClient, http } from "viem";

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

const result = await client.request({
  method: "state_queryStorage",
  params: [
  "StorageKeys",
  "fromBlock",
  "toBlock"
],
});

console.log(result);

const endpoint = "https://tao.nownodes.io/state_queryStorage";
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: "state_queryStorage", params: [
  "StorageKeys",
  "fromBlock",
  "toBlock"
], id: 1 });
console.log(result);

const response = await fetch('https://tao.nownodes.io/state_queryStorage', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "id": "test",
      "method": "state_queryStorage",
      "params": [
        "StorageKeys",
        "fromBlock",
        "toBlock"
      ]
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "id": "test",
  "method": "state_queryStorage",
  "params": [
    "StorageKeys",
    "fromBlock",
    "toBlock"
  ]
}

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

require 'net/http'
require 'json'

uri = URI('https://tao.nownodes.io/state_queryStorage')
request = Net::HTTP::Post.new(uri)
request['Content-Type'] = 'application/json'
request.body = '{
    "jsonrpc": "2.0",
    "id": "test",
    "method": "state_queryStorage",
    "params": [
      "StorageKeys",
      "fromBlock",
      "toBlock"
    ]
  }'

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",
  "id": "test",
  "method": "state_queryStorage",
  "params": [
    "StorageKeys",
    "fromBlock",
    "toBlock"
  ]
}

200

{
  "jsonrpc": "2.0",
  "result": {
    "block": "0x298f8c5f8572a869abe215216c0b12b255bc325407dd115b410dd0224418baa4",
    "changes": [
      [
        "0x26aa394eea5630e07c48ae0c9558cef7",
        "0x0000000000000000000000000000000000000000000000000000000000000000"
      ]
    ]
  },
  "id": "test"
}