[
  {
    "type": "function",
    "name": "epochOf",
    "inputs": [
      {
        "name": "owner",
        "type": "address",
        "internalType": "address"
      },
      {
        "name": "nsHash",
        "type": "bytes32",
        "internalType": "bytes32"
      }
    ],
    "outputs": [
      {
        "name": "e",
        "type": "uint64",
        "internalType": "uint64"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "grant",
    "inputs": [
      {
        "name": "nsHash",
        "type": "bytes32",
        "internalType": "bytes32"
      },
      {
        "name": "granteeKeyHash",
        "type": "bytes32",
        "internalType": "bytes32"
      },
      {
        "name": "wrappedKey",
        "type": "bytes",
        "internalType": "bytes"
      },
      {
        "name": "label",
        "type": "string",
        "internalType": "string"
      }
    ],
    "outputs": [
      {
        "name": "grantId",
        "type": "uint256",
        "internalType": "uint256"
      },
      {
        "name": "epoch",
        "type": "uint64",
        "internalType": "uint64"
      }
    ],
    "stateMutability": "nonpayable"
  },
  {
    "type": "function",
    "name": "grantOf",
    "inputs": [
      {
        "name": "grantId",
        "type": "uint256",
        "internalType": "uint256"
      }
    ],
    "outputs": [
      {
        "name": "owner",
        "type": "address",
        "internalType": "address"
      },
      {
        "name": "nsHash",
        "type": "bytes32",
        "internalType": "bytes32"
      },
      {
        "name": "epoch",
        "type": "uint64",
        "internalType": "uint64"
      },
      {
        "name": "granteeKeyHash",
        "type": "bytes32",
        "internalType": "bytes32"
      },
      {
        "name": "active",
        "type": "bool",
        "internalType": "bool"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "nextGrantId",
    "inputs": [],
    "outputs": [
      {
        "name": "",
        "type": "uint256",
        "internalType": "uint256"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "revoke",
    "inputs": [
      {
        "name": "nsHash",
        "type": "bytes32",
        "internalType": "bytes32"
      },
      {
        "name": "grantId",
        "type": "uint256",
        "internalType": "uint256"
      }
    ],
    "outputs": [
      {
        "name": "newEpoch",
        "type": "uint64",
        "internalType": "uint64"
      }
    ],
    "stateMutability": "nonpayable"
  },
  {
    "type": "function",
    "name": "rotate",
    "inputs": [
      {
        "name": "nsHash",
        "type": "bytes32",
        "internalType": "bytes32"
      }
    ],
    "outputs": [
      {
        "name": "newEpoch",
        "type": "uint64",
        "internalType": "uint64"
      }
    ],
    "stateMutability": "nonpayable"
  },
  {
    "type": "event",
    "name": "Granted",
    "inputs": [
      {
        "name": "owner",
        "type": "address",
        "indexed": true,
        "internalType": "address"
      },
      {
        "name": "nsHash",
        "type": "bytes32",
        "indexed": true,
        "internalType": "bytes32"
      },
      {
        "name": "grantId",
        "type": "uint256",
        "indexed": true,
        "internalType": "uint256"
      },
      {
        "name": "epoch",
        "type": "uint64",
        "indexed": false,
        "internalType": "uint64"
      },
      {
        "name": "granteeKeyHash",
        "type": "bytes32",
        "indexed": false,
        "internalType": "bytes32"
      },
      {
        "name": "wrappedKey",
        "type": "bytes",
        "indexed": false,
        "internalType": "bytes"
      },
      {
        "name": "label",
        "type": "string",
        "indexed": false,
        "internalType": "string"
      }
    ],
    "anonymous": false
  },
  {
    "type": "event",
    "name": "Revoked",
    "inputs": [
      {
        "name": "owner",
        "type": "address",
        "indexed": true,
        "internalType": "address"
      },
      {
        "name": "nsHash",
        "type": "bytes32",
        "indexed": true,
        "internalType": "bytes32"
      },
      {
        "name": "grantId",
        "type": "uint256",
        "indexed": true,
        "internalType": "uint256"
      },
      {
        "name": "newEpoch",
        "type": "uint64",
        "indexed": false,
        "internalType": "uint64"
      }
    ],
    "anonymous": false
  },
  {
    "type": "event",
    "name": "Rotated",
    "inputs": [
      {
        "name": "owner",
        "type": "address",
        "indexed": true,
        "internalType": "address"
      },
      {
        "name": "nsHash",
        "type": "bytes32",
        "indexed": true,
        "internalType": "bytes32"
      },
      {
        "name": "newEpoch",
        "type": "uint64",
        "indexed": false,
        "internalType": "uint64"
      }
    ],
    "anonymous": false
  },
  {
    "type": "error",
    "name": "GrantInactive",
    "inputs": []
  },
  {
    "type": "error",
    "name": "NamespaceMismatch",
    "inputs": []
  },
  {
    "type": "error",
    "name": "NotGrantOwner",
    "inputs": []
  }
]