# getBlockByHash

Returns a block by its hex hash string.

## Import

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

## Usage

```ts
const result = await rpcClient.getBlockByHash(
  'abc123def456...'
);

const block = result.block;
console.log(block.getBlockV2()?.header.height);
```

## Parameters

### hash

- **Type:** `string`

The block hash as a hex string (without `0x` prefix, 64 hex characters).

## Return Value

`Promise<ChainGetBlockResult>`

```ts
interface ChainGetBlockResult {
  block: Block;
}
```

Throws `RpcError` with `ErrorCode.NoSuchBlock` if the hash is not found.

## Related

- [`getLatestBlock`](/actions/block/getLatestBlock)
- [`getBlockByHeight`](/actions/block/getBlockByHeight)