# getStateRootHashByHash

Returns the state root hash for a specific block, identified by its block hash.

## Import

```ts
import { RpcClient, HttpHandler } from 'casper-js-sdk';
```

## Usage

```ts
const result = await rpcClient.getStateRootHashByHash('abc123...');

console.log(result.stateRootHash.toHex());
```

## Parameters

### blockHash

- **Type:** `string`

Block hash as a hex string.

## Return Value

`Promise<ChainGetStateRootHashResult>`

```ts
interface ChainGetStateRootHashResult {
  stateRootHash: Hash;
}
```

## Related

- [`getStateRootHashLatest`](/actions/state/getStateRootHashLatest)
- [`getStateRootHashByHeight`](/actions/state/getStateRootHashByHeight)
- [`queryGlobalStateByStateHash`](/actions/state/queryGlobalStateByStateHash)