state_queryStorageAt

Description

Fetch storage changes (deltas) for keys over a block range or at a specific block. Use for state sync, indexers, and reactive UIs.

Returns storage changes for the provided keys at the given block.

Code Examples

cURL

curl -X POST https://api-bittensor-mainnet.n.dwellir.com/YOUR_API_KEY \
+  -H 'Content-Type: application/json' \
+  -d '{"jsonrpc":"2.0","method":"state_queryStorageAt","params":[["0x3a636f6465"], "0x1e8a700fa840157d8d5617eac90ecd3b795d6469ddb8a9ec7dd2d051d806e85d"],"id":1}'

Python

import requests, json

url = 'https://api-bittensor-mainnet.n.dwellir.com/YOUR_API_KEY'
headers = {'Content-Type': 'application/json'}
payload = {
  "jsonrpc": "2.0",
  "method": "state_queryStorageAt",
  "params": [
    [
      "0x3a636f6465"
    ],
    "0x1e8a700fa840157d8d5617eac90ecd3b795d6469ddb8a9ec7dd2d051d806e85d"
  ],
  "id": 1
}
res = requests.post(url, headers=headers, data=json.dumps(payload))
print(res.json()['result'])

JavaScript

const res = await fetch('https://api-bittensor-mainnet.n.dwellir.com/YOUR_API_KEY', {
  method: 'POST',
  headers: { 'Content-Type': 'application/json' },
  body: JSON.stringify({
  "jsonrpc": "2.0",
  "method": "state_queryStorageAt",
  "params": [
    [
      "0x3a636f6465"
    ],
    "0x1e8a700fa840157d8d5617eac90ecd3b795d6469ddb8a9ec7dd2d051d806e85d"
  ],
  "id": 1
})
});
const data = await res.json();
console.log(data.result);