# HyperEVM eth_getSystemTxsByBlockHash

> Returns system transactions for a specified block hash on HyperEVM.

# `eth_getSystemTxsByBlockHash`

Returns system transactions for a specified block hash on HyperEVM. This Hyperliquid-specific method
retrieves internal system transactions using the block hash, ensuring accurate block identification
even in the event of chain reorganizations. <CreditCost network="hyperevm" method="eth_getSystemTxsByBlockHash" />

## Parameters

- `hash`: (string) _[required]_ - The hash (32 bytes) of the block.

## Returns

An array of system transaction objects included in the block:

- `type`: (string) - The transaction type.
- `chainId`: (string) - The chain ID encoded as hexadecimal.
- `nonce`: (string) - The transaction count of the sender.
- `gasPrice`: (string) - Gas price in wei, encoded as hexadecimal.
- `gas`: (string) - Gas limit provided by the sender.
- `to`: (string) - Recipient address (null for contract creation).
- `value`: (string) - Value transferred in wei, encoded as hexadecimal.
- `input`: (string) - Input data of the transaction.
- `r`: (string) - ECDSA signature r.
- `s`: (string) - ECDSA signature s.
- `v`: (string) - ECDSA recovery id.
- `hash`: (string) - Transaction hash.
- `blockHash`: (string) - Block hash.
- `blockNumber`: (string) - Block number in hexadecimal.
- `transactionIndex`: (string) - Index of the transaction in the block.
- `from`: (string) - Sender address.

## Example

Replace `<YOUR-API-KEY>` with an API key from your [Infura dashboard](/developer-tools/dashboard).

### Request

<Tabs>
  <TabItem value="curl">

```bash
curl https://hyperevm-mainnet.infura.io/v3/<YOUR-API-KEY> \
  -X POST \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc": "2.0", "method": "eth_getSystemTxsByBlockHash", "params": ["0x6c8e2e3fde20bc805fe9775ee65cdc9df6b9be70cfe1b473dc27c555a77425d9"], "id": 1}'
```

  </TabItem>
  <TabItem value="WSS">

```bash
wscat -c wss://hyperevm-mainnet.infura.io/ws/v3/<YOUR-API-KEY> -x '{"jsonrpc": "2.0", "method": "eth_getSystemTxsByBlockHash", "params": ["0x6c8e2e3fde20bc805fe9775ee65cdc9df6b9be70cfe1b473dc27c555a77425d9"], "id": 1}'
```

  </TabItem>
</Tabs>

### Response

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "result": [
    {
      "type": "0x0",
      "chainId": "0x1",
      "nonce": "0x0",
      "gasPrice": "0x2540be400",
      "gas": "0x5208",
      "to": "0x0000000000000000000000000000000000000000",
      "value": "0x0",
      "input": "0x",
      "r": "0x0",
      "s": "0x0",
      "v": "0x0",
      "hash": "0x0000000000000000000000000000000000000000000000000000000000000000",
      "blockHash": "0x6c8e2e3fde20bc805fe9775ee65cdc9df6b9be70cfe1b473dc27c555a77425d9",
      "blockNumber": "0xcc901c",
      "transactionIndex": "0x0",
      "from": "0x0000000000000000000000000000000000000000"
    }
  ]
}
```