curl --request POST \
  --url https://api.uniblock.dev/uni/v1/json-rpc?chainId=300 \
  --header 'content-type: application/json' \
  --data '{
    "id": 1,
    "jsonrpc": "2.0",
    "method": "zks_getL1BatchDetails",
    "params": [
      12345
    ]
  }'

{
  "jsonrpc": "2.0",
  "id": 1,
  "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": 12345,
    "l1GasPrice": 20690385511,
    "l1TxCount": 0,
    "__truncated": true
  }
}