Returns information about a block from a block hash.

### Arguments

|  Parameter   |  Type  | Required |              Description              |
|:------------ |:------:|:--------:|:------------------------------------- |
| `block_hash` | string |    Yes   | The block hash of the requested block |

### Response

|        Parameter            |  Type  |                               Description                              |
|:---------------------------:|:------:|:----------------------------------------------------------------------:|
| `confirmations`             | number | The number of confirmations for this block                             |
| `difficulty_target`         | number | The difficulty of the block                                            |
| `hash`                      | string | The block hash (same as provided)                                      |
| `height`                    | number | The block height                                                       |
| `merkle_root`               | number | The Merkle root of the transactions in the block                       |
| `nonce`                     | number | The nonce for solving the PoSW puzzle                                  |
| `pedersen_merkle_root_hash` | number | The Merkle root of the transactions in the block using a Pedersen hash |
| `previous_block_hash`       | string | The block hash of the parent block                                     |
| `proof`                     | string | The Proof of Succinct Work                                             |
| `size`                      | number | The size of the block in bytes                                         |
| `time`                      | number | The block time                                                         |
| `transactions`              | array  | The list of transaction ids included in the block                      |

### Example
```ignore
curl --data-binary '{"jsonrpc": "2.0", "id":"documentation", "method": "getblock", "params": ["caf49293d36f0215cfb3296dbc871a0ef5e5dcfc61f91cd0c9ac2c730f84d853"] }' -H 'content-type: application/json' http://127.0.0.1:3030/
```