# getBlockHashes

### Input

| Argument        | Mandatory | Description                          | Format |
| --------------- | --------- | ------------------------------------ | ------ |
| firstBlockIndex | yes       | Block index of first block to return | uint32 |
| blockCount      | yes       | Number of block hashes to return     | uint32 |

### Output

| Argument    | Description          | Format |
| ----------- | -------------------- | ------ |
| blockHashes | List of block hashes | array  |