> For the complete documentation index, see [llms.txt](/llms.txt).

# `zks_getBlockDetails`

Returns additional ZKsync-specific information about the L2 block.

## Parameters[​](#parameters "Direct link to Parameters")

- `block`: (string) [_Required_] The number of the block.

## Returns[​](#returns "Direct link to Returns")

Object containing the details of the L2 block:

- `baseSystemContractsHashes`: An object containing hashes of the base system contracts used in the transaction:  
  - `bootloader`: The hash of the bootloader contract.
  - `default_aa`: The hash of the default account contract.
- `commitTxHash`: The hash of the transaction committed to the network.
- `committedAt`: The timestamp when the transaction was committed to the network.
- `executeTxHash`: The hash of the transaction executed on the network.
- `executedAt`: The timestamp when the transaction was executed on the network.
- `l1BatchNumber`: The batch number of the transaction on the L1 (Ethereum) network.
- `l1GasPrice`: The gas price used for the transaction on the L1 network.
- `l1TxCount`: The number of transactions related to this batch on the L1 network.
- `l2FairGasPrice`: The fair gas price used for the transaction on the L2 (ZKsync) network.
- `l2TxCount`: The total number of transactions on the L2 network.
- `number`: The transaction number.
- `operatorAddress`: The address of the operator who executed the transaction.
- `proveTxHash`: The hash of the proof transaction on the L1 network.
- `provenAt`: The timestamp when the proof transaction was done on the L1 network.
- `rootHash`: The root hash representing the state of the network after the transaction.
- `status`: The status of the transaction.
- `timestamp`: The timestamp of the transaction.

## Example[​](#example "Direct link to Example")

Replace `<YOUR-API-KEY>` with an API key from your [Infura dashboard](https://app.infura.io/).

### Request[​](#request "Direct link to Request")

- curl
- WSS

```
curl https://zksync-mainnet.infura.io/v3/<YOUR-API-KEY> \
  -X POST \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc": "2.0", "id": 1, "method": "zks_getBlockDetails", "params": [ 140599 ]}'

```

```
wscat -c wss://zksync-mainnet.infura.io/ws/v3/<YOUR-API-KEY> -x '{"jsonrpc": "2.0", "id": 1, "method": "zks_getBlockDetails", "params": [ 140599 ]}'

```

### Response[​](#response "Direct link to Response")

- JSON

```
{
  "jsonrpc": "2.0",
  "result": {
    "baseSystemContractsHashes": {
      "bootloader": "0x010007793a328ef16cc7086708f7f3292ff9b5eed9e7e539c184228f461bf4ef",
      "default_aa": "0x0100067d861e2f5717a12c3e869cfb657793b86bbb0caa05cc1421f16c5217bc"
    },
    "commitTxHash": "0xd045e3698f018cb233c3817eb53a41a4c5b28784ffe659da246aa33bda34350c",
    "committedAt": "2023-03-26T07:21:21.046817Z",
    "executeTxHash": "0xbb66aa75f437bb4255cf751badfc6b142e8d4d3a4e531c7b2e737a22870ff19e",
    "executedAt": "2023-03-27T07:44:52.187764Z",
    "l1BatchNumber": 1617,
    "l1GasPrice": 20690385511,
    "l1TxCount": 0,
    "l2FairGasPrice": 250000000,
    "l2TxCount": 20,
    "number": 140599,
    "operatorAddress": "0xfeee860e7aae671124e9a4e61139f3a5085dfeee",
    "proveTxHash": "0x1591e9b16ff6eb029cc865614094b2e6dd872c8be40b15cc56164941ed723a1a",
    "provenAt": "2023-03-26T19:48:35.200565Z",
    "rootHash": "0xf1adac176fc939313eea4b72055db0622a10bbd9b7a83097286e84e471d2e7df",
    "status": "verified",
    "timestamp": 1679815038
  },
  "id": 1
}

```