> For the complete documentation index, see [llms.txt](https://docs.blockpi.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.blockpi.io/build/api-reference/hyperliquid/story-3/debug_traceblockbynumber.md).

# debug\_traceBlockByNumber

It accepts a block number and will replay the block that is already present in the database.

#### **Parameters:**

**QUANTITY|TAG** - integer block number, or the string "latest"

**Object** - tracer

* **tracer: string** - the type of tracer. Currently supports `callTracer` and `prestateTracer`

#### **Returns:**

**Array** - Block traces

#### Example:

{% code overflow="wrap" %}

```json
// Request
curl https://hyperliquid.blockpi.network/v1/rpc/your-rpc-key -X POST -H "Content-Type: application/json" --data '{"method":"debug_traceBlockByNumber","params":["latest", {"tracer": "callTracer"}],"id":1,"jsonrpc":"2.0"}'

// Result
{
    "jsonrpc": "2.0",
    "id": 1,
    "result": {as described above}
}
```

{% endcode %}