[
  {
    "type": "constructor",
    "inputs": [],
    "stateMutability": "nonpayable"
  },
  {
    "type": "function",
    "name": "CALLBACK_GAS_HARD_CAP",
    "inputs": [],
    "outputs": [
      {
        "name": "",
        "type": "uint32",
        "internalType": "uint32"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "CALLBACK_GAS_RESERVE",
    "inputs": [],
    "outputs": [
      {
        "name": "",
        "type": "uint256",
        "internalType": "uint256"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "CHECKPOINT_INTERVAL",
    "inputs": [],
    "outputs": [
      {
        "name": "",
        "type": "uint64",
        "internalType": "uint64"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "HISTORY",
    "inputs": [],
    "outputs": [
      {
        "name": "",
        "type": "address",
        "internalType": "address"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "HISTORY_WINDOW",
    "inputs": [],
    "outputs": [
      {
        "name": "",
        "type": "uint256",
        "internalType": "uint256"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "MAX_VERIFY_STEPS",
    "inputs": [],
    "outputs": [
      {
        "name": "",
        "type": "uint256",
        "internalType": "uint256"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "NATIVE_USDC_ERC20",
    "inputs": [],
    "outputs": [
      {
        "name": "",
        "type": "address",
        "internalType": "address"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "RETURN_DATA_CAP",
    "inputs": [],
    "outputs": [
      {
        "name": "",
        "type": "uint256",
        "internalType": "uint256"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "acceptOwnership",
    "inputs": [],
    "outputs": [],
    "stateMutability": "nonpayable"
  },
  {
    "type": "function",
    "name": "accruedFees",
    "inputs": [],
    "outputs": [
      {
        "name": "",
        "type": "uint256",
        "internalType": "uint256"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "activeLane",
    "inputs": [],
    "outputs": [
      {
        "name": "",
        "type": "uint32",
        "internalType": "uint32"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "advanceAnchor",
    "inputs": [
      {
        "name": "expiredSequenceNumber",
        "type": "uint64",
        "internalType": "uint64"
      },
      {
        "name": "seed",
        "type": "bytes32",
        "internalType": "bytes32"
      }
    ],
    "outputs": [],
    "stateMutability": "nonpayable"
  },
  {
    "type": "function",
    "name": "checkpointOf",
    "inputs": [
      {
        "name": "laneId",
        "type": "uint32",
        "internalType": "uint32"
      },
      {
        "name": "index",
        "type": "uint64",
        "internalType": "uint64"
      }
    ],
    "outputs": [
      {
        "name": "",
        "type": "bytes32",
        "internalType": "bytes32"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "clearConsumerTariff",
    "inputs": [
      {
        "name": "consumer",
        "type": "address",
        "internalType": "address"
      }
    ],
    "outputs": [],
    "stateMutability": "nonpayable"
  },
  {
    "type": "function",
    "name": "defaultTariff",
    "inputs": [],
    "outputs": [
      {
        "name": "",
        "type": "tuple",
        "internalType": "struct IRandomnessHub.Tariff",
        "components": [
          {
            "name": "baseFee",
            "type": "uint128",
            "internalType": "uint128"
          },
          {
            "name": "feePerGas",
            "type": "uint128",
            "internalType": "uint128"
          },
          {
            "name": "defaultCallbackGas",
            "type": "uint32",
            "internalType": "uint32"
          },
          {
            "name": "maxCallbackGas",
            "type": "uint32",
            "internalType": "uint32"
          },
          {
            "name": "maxPending",
            "type": "uint32",
            "internalType": "uint32"
          }
        ]
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "expire",
    "inputs": [
      {
        "name": "sequenceNumber",
        "type": "uint64",
        "internalType": "uint64"
      }
    ],
    "outputs": [],
    "stateMutability": "nonpayable"
  },
  {
    "type": "function",
    "name": "fulfill",
    "inputs": [
      {
        "name": "sequenceNumber",
        "type": "uint64",
        "internalType": "uint64"
      },
      {
        "name": "seed",
        "type": "bytes32",
        "internalType": "bytes32"
      }
    ],
    "outputs": [],
    "stateMutability": "nonpayable"
  },
  {
    "type": "function",
    "name": "getDefaultProvider",
    "inputs": [],
    "outputs": [
      {
        "name": "",
        "type": "address",
        "internalType": "address"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "getFeeV2",
    "inputs": [
      {
        "name": "provider",
        "type": "address",
        "internalType": "address"
      },
      {
        "name": "gasLimit",
        "type": "uint32",
        "internalType": "uint32"
      }
    ],
    "outputs": [
      {
        "name": "fee",
        "type": "uint128",
        "internalType": "uint128"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "getFeeV2",
    "inputs": [],
    "outputs": [
      {
        "name": "fee",
        "type": "uint128",
        "internalType": "uint128"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "getFeeV2",
    "inputs": [
      {
        "name": "gasLimit",
        "type": "uint32",
        "internalType": "uint32"
      }
    ],
    "outputs": [
      {
        "name": "fee",
        "type": "uint128",
        "internalType": "uint128"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "initialize",
    "inputs": [
      {
        "name": "initialOwner",
        "type": "address",
        "internalType": "address"
      },
      {
        "name": "tariff",
        "type": "tuple",
        "internalType": "struct IRandomnessHub.Tariff",
        "components": [
          {
            "name": "baseFee",
            "type": "uint128",
            "internalType": "uint128"
          },
          {
            "name": "feePerGas",
            "type": "uint128",
            "internalType": "uint128"
          },
          {
            "name": "defaultCallbackGas",
            "type": "uint32",
            "internalType": "uint32"
          },
          {
            "name": "maxCallbackGas",
            "type": "uint32",
            "internalType": "uint32"
          },
          {
            "name": "maxPending",
            "type": "uint32",
            "internalType": "uint32"
          }
        ]
      },
      {
        "name": "hubLimits",
        "type": "tuple",
        "internalType": "struct IRandomnessHub.Limits",
        "components": [
          {
            "name": "maxPendingTotal",
            "type": "uint32",
            "internalType": "uint32"
          },
          {
            "name": "maxRequestsPerBlock",
            "type": "uint32",
            "internalType": "uint32"
          },
          {
            "name": "callbackGasCeiling",
            "type": "uint32",
            "internalType": "uint32"
          }
        ]
      }
    ],
    "outputs": [],
    "stateMutability": "nonpayable"
  },
  {
    "type": "function",
    "name": "isRelayer",
    "inputs": [
      {
        "name": "account",
        "type": "address",
        "internalType": "address"
      }
    ],
    "outputs": [
      {
        "name": "",
        "type": "bool",
        "internalType": "bool"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "laneCount",
    "inputs": [],
    "outputs": [
      {
        "name": "",
        "type": "uint32",
        "internalType": "uint32"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "laneOf",
    "inputs": [
      {
        "name": "laneId",
        "type": "uint32",
        "internalType": "uint32"
      }
    ],
    "outputs": [
      {
        "name": "",
        "type": "tuple",
        "internalType": "struct IRandomnessHub.Lane",
        "components": [
          {
            "name": "head",
            "type": "bytes32",
            "internalType": "bytes32"
          },
          {
            "name": "anchor",
            "type": "bytes32",
            "internalType": "bytes32"
          },
          {
            "name": "anchorIndex",
            "type": "uint64",
            "internalType": "uint64"
          },
          {
            "name": "nextIndex",
            "type": "uint64",
            "internalType": "uint64"
          },
          {
            "name": "length",
            "type": "uint64",
            "internalType": "uint64"
          }
        ]
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "limits",
    "inputs": [],
    "outputs": [
      {
        "name": "",
        "type": "tuple",
        "internalType": "struct IRandomnessHub.Limits",
        "components": [
          {
            "name": "maxPendingTotal",
            "type": "uint32",
            "internalType": "uint32"
          },
          {
            "name": "maxRequestsPerBlock",
            "type": "uint32",
            "internalType": "uint32"
          },
          {
            "name": "callbackGasCeiling",
            "type": "uint32",
            "internalType": "uint32"
          }
        ]
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "nextSequenceNumber",
    "inputs": [],
    "outputs": [
      {
        "name": "",
        "type": "uint64",
        "internalType": "uint64"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "owner",
    "inputs": [],
    "outputs": [
      {
        "name": "",
        "type": "address",
        "internalType": "address"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "pause",
    "inputs": [],
    "outputs": [],
    "stateMutability": "nonpayable"
  },
  {
    "type": "function",
    "name": "paused",
    "inputs": [],
    "outputs": [
      {
        "name": "",
        "type": "bool",
        "internalType": "bool"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "pendingOf",
    "inputs": [
      {
        "name": "consumer",
        "type": "address",
        "internalType": "address"
      }
    ],
    "outputs": [
      {
        "name": "",
        "type": "uint32",
        "internalType": "uint32"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "pendingOwner",
    "inputs": [],
    "outputs": [
      {
        "name": "",
        "type": "address",
        "internalType": "address"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "pendingTotal",
    "inputs": [],
    "outputs": [
      {
        "name": "",
        "type": "uint32",
        "internalType": "uint32"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "publishLane",
    "inputs": [
      {
        "name": "head",
        "type": "bytes32",
        "internalType": "bytes32"
      },
      {
        "name": "length",
        "type": "uint64",
        "internalType": "uint64"
      }
    ],
    "outputs": [
      {
        "name": "laneId",
        "type": "uint32",
        "internalType": "uint32"
      }
    ],
    "stateMutability": "nonpayable"
  },
  {
    "type": "function",
    "name": "quote",
    "inputs": [
      {
        "name": "consumer",
        "type": "address",
        "internalType": "address"
      },
      {
        "name": "gasLimit",
        "type": "uint32",
        "internalType": "uint32"
      }
    ],
    "outputs": [
      {
        "name": "fee",
        "type": "uint128",
        "internalType": "uint128"
      },
      {
        "name": "callbackGas",
        "type": "uint32",
        "internalType": "uint32"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "randomOf",
    "inputs": [
      {
        "name": "sequenceNumber",
        "type": "uint64",
        "internalType": "uint64"
      }
    ],
    "outputs": [
      {
        "name": "",
        "type": "bytes32",
        "internalType": "bytes32"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "remaining",
    "inputs": [
      {
        "name": "laneId",
        "type": "uint32",
        "internalType": "uint32"
      }
    ],
    "outputs": [
      {
        "name": "",
        "type": "uint64",
        "internalType": "uint64"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "renounceOwnership",
    "inputs": [],
    "outputs": [],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "requestOf",
    "inputs": [
      {
        "name": "sequenceNumber",
        "type": "uint64",
        "internalType": "uint64"
      }
    ],
    "outputs": [
      {
        "name": "request",
        "type": "tuple",
        "internalType": "struct IRandomnessHub.Request",
        "components": [
          {
            "name": "consumer",
            "type": "address",
            "internalType": "address"
          },
          {
            "name": "laneId",
            "type": "uint32",
            "internalType": "uint32"
          },
          {
            "name": "index",
            "type": "uint64",
            "internalType": "uint64"
          },
          {
            "name": "blockNumber",
            "type": "uint64",
            "internalType": "uint64"
          },
          {
            "name": "callbackGas",
            "type": "uint32",
            "internalType": "uint32"
          },
          {
            "name": "status",
            "type": "uint8",
            "internalType": "enum IRandomnessHub.Status"
          },
          {
            "name": "callbackFailed",
            "type": "bool",
            "internalType": "bool"
          },
          {
            "name": "feePaid",
            "type": "uint128",
            "internalType": "uint128"
          },
          {
            "name": "userContribution",
            "type": "bytes32",
            "internalType": "bytes32"
          }
        ]
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "requestV2",
    "inputs": [
      {
        "name": "gasLimit",
        "type": "uint32",
        "internalType": "uint32"
      }
    ],
    "outputs": [
      {
        "name": "",
        "type": "uint64",
        "internalType": "uint64"
      }
    ],
    "stateMutability": "payable"
  },
  {
    "type": "function",
    "name": "requestV2",
    "inputs": [
      {
        "name": "provider",
        "type": "address",
        "internalType": "address"
      },
      {
        "name": "gasLimit",
        "type": "uint32",
        "internalType": "uint32"
      }
    ],
    "outputs": [
      {
        "name": "",
        "type": "uint64",
        "internalType": "uint64"
      }
    ],
    "stateMutability": "payable"
  },
  {
    "type": "function",
    "name": "requestV2",
    "inputs": [],
    "outputs": [
      {
        "name": "",
        "type": "uint64",
        "internalType": "uint64"
      }
    ],
    "stateMutability": "payable"
  },
  {
    "type": "function",
    "name": "requestV2",
    "inputs": [
      {
        "name": "provider",
        "type": "address",
        "internalType": "address"
      },
      {
        "name": "userRandomNumber",
        "type": "bytes32",
        "internalType": "bytes32"
      },
      {
        "name": "gasLimit",
        "type": "uint32",
        "internalType": "uint32"
      }
    ],
    "outputs": [
      {
        "name": "",
        "type": "uint64",
        "internalType": "uint64"
      }
    ],
    "stateMutability": "payable"
  },
  {
    "type": "function",
    "name": "rescueERC20",
    "inputs": [
      {
        "name": "token",
        "type": "address",
        "internalType": "contract IERC20"
      },
      {
        "name": "to",
        "type": "address",
        "internalType": "address"
      },
      {
        "name": "amount",
        "type": "uint256",
        "internalType": "uint256"
      }
    ],
    "outputs": [],
    "stateMutability": "nonpayable"
  },
  {
    "type": "function",
    "name": "setActiveLane",
    "inputs": [
      {
        "name": "laneId",
        "type": "uint32",
        "internalType": "uint32"
      }
    ],
    "outputs": [],
    "stateMutability": "nonpayable"
  },
  {
    "type": "function",
    "name": "setConsumerTariff",
    "inputs": [
      {
        "name": "consumer",
        "type": "address",
        "internalType": "address"
      },
      {
        "name": "tariff",
        "type": "tuple",
        "internalType": "struct IRandomnessHub.Tariff",
        "components": [
          {
            "name": "baseFee",
            "type": "uint128",
            "internalType": "uint128"
          },
          {
            "name": "feePerGas",
            "type": "uint128",
            "internalType": "uint128"
          },
          {
            "name": "defaultCallbackGas",
            "type": "uint32",
            "internalType": "uint32"
          },
          {
            "name": "maxCallbackGas",
            "type": "uint32",
            "internalType": "uint32"
          },
          {
            "name": "maxPending",
            "type": "uint32",
            "internalType": "uint32"
          }
        ]
      }
    ],
    "outputs": [],
    "stateMutability": "nonpayable"
  },
  {
    "type": "function",
    "name": "setDefaultTariff",
    "inputs": [
      {
        "name": "tariff",
        "type": "tuple",
        "internalType": "struct IRandomnessHub.Tariff",
        "components": [
          {
            "name": "baseFee",
            "type": "uint128",
            "internalType": "uint128"
          },
          {
            "name": "feePerGas",
            "type": "uint128",
            "internalType": "uint128"
          },
          {
            "name": "defaultCallbackGas",
            "type": "uint32",
            "internalType": "uint32"
          },
          {
            "name": "maxCallbackGas",
            "type": "uint32",
            "internalType": "uint32"
          },
          {
            "name": "maxPending",
            "type": "uint32",
            "internalType": "uint32"
          }
        ]
      }
    ],
    "outputs": [],
    "stateMutability": "nonpayable"
  },
  {
    "type": "function",
    "name": "setLimits",
    "inputs": [
      {
        "name": "hubLimits",
        "type": "tuple",
        "internalType": "struct IRandomnessHub.Limits",
        "components": [
          {
            "name": "maxPendingTotal",
            "type": "uint32",
            "internalType": "uint32"
          },
          {
            "name": "maxRequestsPerBlock",
            "type": "uint32",
            "internalType": "uint32"
          },
          {
            "name": "callbackGasCeiling",
            "type": "uint32",
            "internalType": "uint32"
          }
        ]
      }
    ],
    "outputs": [],
    "stateMutability": "nonpayable"
  },
  {
    "type": "function",
    "name": "setRelayer",
    "inputs": [
      {
        "name": "relayer",
        "type": "address",
        "internalType": "address"
      },
      {
        "name": "allowed",
        "type": "bool",
        "internalType": "bool"
      }
    ],
    "outputs": [],
    "stateMutability": "nonpayable"
  },
  {
    "type": "function",
    "name": "tariffOf",
    "inputs": [
      {
        "name": "consumer",
        "type": "address",
        "internalType": "address"
      }
    ],
    "outputs": [
      {
        "name": "tariff",
        "type": "tuple",
        "internalType": "struct IRandomnessHub.Tariff",
        "components": [
          {
            "name": "baseFee",
            "type": "uint128",
            "internalType": "uint128"
          },
          {
            "name": "feePerGas",
            "type": "uint128",
            "internalType": "uint128"
          },
          {
            "name": "defaultCallbackGas",
            "type": "uint32",
            "internalType": "uint32"
          },
          {
            "name": "maxCallbackGas",
            "type": "uint32",
            "internalType": "uint32"
          },
          {
            "name": "maxPending",
            "type": "uint32",
            "internalType": "uint32"
          }
        ]
      },
      {
        "name": "custom",
        "type": "bool",
        "internalType": "bool"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "totalFeesEarned",
    "inputs": [],
    "outputs": [
      {
        "name": "",
        "type": "uint256",
        "internalType": "uint256"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "function",
    "name": "transferOwnership",
    "inputs": [
      {
        "name": "newOwner",
        "type": "address",
        "internalType": "address"
      }
    ],
    "outputs": [],
    "stateMutability": "nonpayable"
  },
  {
    "type": "function",
    "name": "unpause",
    "inputs": [],
    "outputs": [],
    "stateMutability": "nonpayable"
  },
  {
    "type": "function",
    "name": "version",
    "inputs": [],
    "outputs": [
      {
        "name": "",
        "type": "string",
        "internalType": "string"
      }
    ],
    "stateMutability": "pure"
  },
  {
    "type": "function",
    "name": "withdrawAll",
    "inputs": [
      {
        "name": "to",
        "type": "address",
        "internalType": "address payable"
      }
    ],
    "outputs": [],
    "stateMutability": "nonpayable"
  },
  {
    "type": "function",
    "name": "withdrawFees",
    "inputs": [
      {
        "name": "to",
        "type": "address",
        "internalType": "address payable"
      },
      {
        "name": "amount",
        "type": "uint256",
        "internalType": "uint256"
      }
    ],
    "outputs": [],
    "stateMutability": "nonpayable"
  },
  {
    "type": "event",
    "name": "ActiveLaneSet",
    "inputs": [
      {
        "name": "laneId",
        "type": "uint32",
        "indexed": true,
        "internalType": "uint32"
      }
    ],
    "anonymous": false
  },
  {
    "type": "event",
    "name": "AllWithdrawn",
    "inputs": [
      {
        "name": "to",
        "type": "address",
        "indexed": true,
        "internalType": "address"
      },
      {
        "name": "amount",
        "type": "uint256",
        "indexed": false,
        "internalType": "uint256"
      },
      {
        "name": "feesWrittenOff",
        "type": "uint256",
        "indexed": false,
        "internalType": "uint256"
      }
    ],
    "anonymous": false
  },
  {
    "type": "event",
    "name": "AnchorAdvanced",
    "inputs": [
      {
        "name": "laneId",
        "type": "uint32",
        "indexed": true,
        "internalType": "uint32"
      },
      {
        "name": "index",
        "type": "uint64",
        "indexed": false,
        "internalType": "uint64"
      },
      {
        "name": "sequenceNumber",
        "type": "uint64",
        "indexed": true,
        "internalType": "uint64"
      }
    ],
    "anonymous": false
  },
  {
    "type": "event",
    "name": "ConsumerTariffCleared",
    "inputs": [
      {
        "name": "consumer",
        "type": "address",
        "indexed": true,
        "internalType": "address"
      }
    ],
    "anonymous": false
  },
  {
    "type": "event",
    "name": "ConsumerTariffSet",
    "inputs": [
      {
        "name": "consumer",
        "type": "address",
        "indexed": true,
        "internalType": "address"
      },
      {
        "name": "tariff",
        "type": "tuple",
        "indexed": false,
        "internalType": "struct IRandomnessHub.Tariff",
        "components": [
          {
            "name": "baseFee",
            "type": "uint128",
            "internalType": "uint128"
          },
          {
            "name": "feePerGas",
            "type": "uint128",
            "internalType": "uint128"
          },
          {
            "name": "defaultCallbackGas",
            "type": "uint32",
            "internalType": "uint32"
          },
          {
            "name": "maxCallbackGas",
            "type": "uint32",
            "internalType": "uint32"
          },
          {
            "name": "maxPending",
            "type": "uint32",
            "internalType": "uint32"
          }
        ]
      }
    ],
    "anonymous": false
  },
  {
    "type": "event",
    "name": "DefaultTariffSet",
    "inputs": [
      {
        "name": "tariff",
        "type": "tuple",
        "indexed": false,
        "internalType": "struct IRandomnessHub.Tariff",
        "components": [
          {
            "name": "baseFee",
            "type": "uint128",
            "internalType": "uint128"
          },
          {
            "name": "feePerGas",
            "type": "uint128",
            "internalType": "uint128"
          },
          {
            "name": "defaultCallbackGas",
            "type": "uint32",
            "internalType": "uint32"
          },
          {
            "name": "maxCallbackGas",
            "type": "uint32",
            "internalType": "uint32"
          },
          {
            "name": "maxPending",
            "type": "uint32",
            "internalType": "uint32"
          }
        ]
      }
    ],
    "anonymous": false
  },
  {
    "type": "event",
    "name": "ERC20Rescued",
    "inputs": [
      {
        "name": "token",
        "type": "address",
        "indexed": true,
        "internalType": "address"
      },
      {
        "name": "to",
        "type": "address",
        "indexed": true,
        "internalType": "address"
      },
      {
        "name": "amount",
        "type": "uint256",
        "indexed": false,
        "internalType": "uint256"
      }
    ],
    "anonymous": false
  },
  {
    "type": "event",
    "name": "Expired",
    "inputs": [
      {
        "name": "sequenceNumber",
        "type": "uint64",
        "indexed": true,
        "internalType": "uint64"
      },
      {
        "name": "caller",
        "type": "address",
        "indexed": true,
        "internalType": "address"
      }
    ],
    "anonymous": false
  },
  {
    "type": "event",
    "name": "FeesWithdrawn",
    "inputs": [
      {
        "name": "to",
        "type": "address",
        "indexed": true,
        "internalType": "address"
      },
      {
        "name": "amount",
        "type": "uint256",
        "indexed": false,
        "internalType": "uint256"
      }
    ],
    "anonymous": false
  },
  {
    "type": "event",
    "name": "Initialized",
    "inputs": [
      {
        "name": "version",
        "type": "uint64",
        "indexed": false,
        "internalType": "uint64"
      }
    ],
    "anonymous": false
  },
  {
    "type": "event",
    "name": "LanePublished",
    "inputs": [
      {
        "name": "laneId",
        "type": "uint32",
        "indexed": true,
        "internalType": "uint32"
      },
      {
        "name": "head",
        "type": "bytes32",
        "indexed": false,
        "internalType": "bytes32"
      },
      {
        "name": "length",
        "type": "uint64",
        "indexed": false,
        "internalType": "uint64"
      }
    ],
    "anonymous": false
  },
  {
    "type": "event",
    "name": "LimitsSet",
    "inputs": [
      {
        "name": "limits",
        "type": "tuple",
        "indexed": false,
        "internalType": "struct IRandomnessHub.Limits",
        "components": [
          {
            "name": "maxPendingTotal",
            "type": "uint32",
            "internalType": "uint32"
          },
          {
            "name": "maxRequestsPerBlock",
            "type": "uint32",
            "internalType": "uint32"
          },
          {
            "name": "callbackGasCeiling",
            "type": "uint32",
            "internalType": "uint32"
          }
        ]
      }
    ],
    "anonymous": false
  },
  {
    "type": "event",
    "name": "OwnershipTransferStarted",
    "inputs": [
      {
        "name": "previousOwner",
        "type": "address",
        "indexed": true,
        "internalType": "address"
      },
      {
        "name": "newOwner",
        "type": "address",
        "indexed": true,
        "internalType": "address"
      }
    ],
    "anonymous": false
  },
  {
    "type": "event",
    "name": "OwnershipTransferred",
    "inputs": [
      {
        "name": "previousOwner",
        "type": "address",
        "indexed": true,
        "internalType": "address"
      },
      {
        "name": "newOwner",
        "type": "address",
        "indexed": true,
        "internalType": "address"
      }
    ],
    "anonymous": false
  },
  {
    "type": "event",
    "name": "Paused",
    "inputs": [
      {
        "name": "account",
        "type": "address",
        "indexed": false,
        "internalType": "address"
      }
    ],
    "anonymous": false
  },
  {
    "type": "event",
    "name": "RelayerSet",
    "inputs": [
      {
        "name": "relayer",
        "type": "address",
        "indexed": true,
        "internalType": "address"
      },
      {
        "name": "allowed",
        "type": "bool",
        "indexed": false,
        "internalType": "bool"
      }
    ],
    "anonymous": false
  },
  {
    "type": "event",
    "name": "Requested",
    "inputs": [
      {
        "name": "provider",
        "type": "address",
        "indexed": true,
        "internalType": "address"
      },
      {
        "name": "caller",
        "type": "address",
        "indexed": true,
        "internalType": "address"
      },
      {
        "name": "sequenceNumber",
        "type": "uint64",
        "indexed": true,
        "internalType": "uint64"
      },
      {
        "name": "userContribution",
        "type": "bytes32",
        "indexed": false,
        "internalType": "bytes32"
      },
      {
        "name": "gasLimit",
        "type": "uint32",
        "indexed": false,
        "internalType": "uint32"
      },
      {
        "name": "extraArgs",
        "type": "bytes",
        "indexed": false,
        "internalType": "bytes"
      }
    ],
    "anonymous": false
  },
  {
    "type": "event",
    "name": "Revealed",
    "inputs": [
      {
        "name": "provider",
        "type": "address",
        "indexed": true,
        "internalType": "address"
      },
      {
        "name": "caller",
        "type": "address",
        "indexed": true,
        "internalType": "address"
      },
      {
        "name": "sequenceNumber",
        "type": "uint64",
        "indexed": true,
        "internalType": "uint64"
      },
      {
        "name": "randomNumber",
        "type": "bytes32",
        "indexed": false,
        "internalType": "bytes32"
      },
      {
        "name": "userContribution",
        "type": "bytes32",
        "indexed": false,
        "internalType": "bytes32"
      },
      {
        "name": "providerContribution",
        "type": "bytes32",
        "indexed": false,
        "internalType": "bytes32"
      },
      {
        "name": "callbackFailed",
        "type": "bool",
        "indexed": false,
        "internalType": "bool"
      },
      {
        "name": "callbackReturnValue",
        "type": "bytes",
        "indexed": false,
        "internalType": "bytes"
      },
      {
        "name": "callbackGasUsed",
        "type": "uint32",
        "indexed": false,
        "internalType": "uint32"
      },
      {
        "name": "extraArgs",
        "type": "bytes",
        "indexed": false,
        "internalType": "bytes"
      }
    ],
    "anonymous": false
  },
  {
    "type": "event",
    "name": "Unpaused",
    "inputs": [
      {
        "name": "account",
        "type": "address",
        "indexed": false,
        "internalType": "address"
      }
    ],
    "anonymous": false
  },
  {
    "type": "error",
    "name": "AlreadyAnchored",
    "inputs": [
      {
        "name": "index",
        "type": "uint64",
        "internalType": "uint64"
      },
      {
        "name": "anchorIndex",
        "type": "uint64",
        "internalType": "uint64"
      }
    ]
  },
  {
    "type": "error",
    "name": "BlockhashUnavailable",
    "inputs": [
      {
        "name": "blockNumber",
        "type": "uint64",
        "internalType": "uint64"
      }
    ]
  },
  {
    "type": "error",
    "name": "CallbackGasTooHigh",
    "inputs": [
      {
        "name": "requested",
        "type": "uint32",
        "internalType": "uint32"
      },
      {
        "name": "allowed",
        "type": "uint32",
        "internalType": "uint32"
      }
    ]
  },
  {
    "type": "error",
    "name": "ConsumerLimitReached",
    "inputs": [
      {
        "name": "consumer",
        "type": "address",
        "internalType": "address"
      },
      {
        "name": "pending",
        "type": "uint32",
        "internalType": "uint32"
      }
    ]
  },
  {
    "type": "error",
    "name": "ConsumerNotContract",
    "inputs": [
      {
        "name": "caller",
        "type": "address",
        "internalType": "address"
      }
    ]
  },
  {
    "type": "error",
    "name": "EnforcedPause",
    "inputs": []
  },
  {
    "type": "error",
    "name": "ExpectedPause",
    "inputs": []
  },
  {
    "type": "error",
    "name": "ForbiddenToken",
    "inputs": [
      {
        "name": "token",
        "type": "address",
        "internalType": "address"
      }
    ]
  },
  {
    "type": "error",
    "name": "GlobalLimitReached",
    "inputs": [
      {
        "name": "pendingTotal",
        "type": "uint32",
        "internalType": "uint32"
      }
    ]
  },
  {
    "type": "error",
    "name": "InsufficientFee",
    "inputs": [
      {
        "name": "required",
        "type": "uint256",
        "internalType": "uint256"
      },
      {
        "name": "paid",
        "type": "uint256",
        "internalType": "uint256"
      }
    ]
  },
  {
    "type": "error",
    "name": "InvalidAmount",
    "inputs": []
  },
  {
    "type": "error",
    "name": "InvalidConfig",
    "inputs": []
  },
  {
    "type": "error",
    "name": "InvalidInitialization",
    "inputs": []
  },
  {
    "type": "error",
    "name": "InvalidLane",
    "inputs": [
      {
        "name": "laneId",
        "type": "uint32",
        "internalType": "uint32"
      }
    ]
  },
  {
    "type": "error",
    "name": "InvalidSeed",
    "inputs": []
  },
  {
    "type": "error",
    "name": "LaneExhausted",
    "inputs": [
      {
        "name": "laneId",
        "type": "uint32",
        "internalType": "uint32"
      }
    ]
  },
  {
    "type": "error",
    "name": "LaneHeadUsed",
    "inputs": [
      {
        "name": "head",
        "type": "bytes32",
        "internalType": "bytes32"
      }
    ]
  },
  {
    "type": "error",
    "name": "NativeTransferFailed",
    "inputs": []
  },
  {
    "type": "error",
    "name": "NoActiveLane",
    "inputs": []
  },
  {
    "type": "error",
    "name": "NotEnoughGas",
    "inputs": []
  },
  {
    "type": "error",
    "name": "NotExpirable",
    "inputs": [
      {
        "name": "sequenceNumber",
        "type": "uint64",
        "internalType": "uint64"
      },
      {
        "name": "age",
        "type": "uint256",
        "internalType": "uint256"
      }
    ]
  },
  {
    "type": "error",
    "name": "NotExpired",
    "inputs": [
      {
        "name": "sequenceNumber",
        "type": "uint64",
        "internalType": "uint64"
      }
    ]
  },
  {
    "type": "error",
    "name": "NotInitializing",
    "inputs": []
  },
  {
    "type": "error",
    "name": "NotPending",
    "inputs": [
      {
        "name": "sequenceNumber",
        "type": "uint64",
        "internalType": "uint64"
      },
      {
        "name": "status",
        "type": "uint8",
        "internalType": "enum IRandomnessHub.Status"
      }
    ]
  },
  {
    "type": "error",
    "name": "NotRelayer",
    "inputs": []
  },
  {
    "type": "error",
    "name": "OwnableInvalidOwner",
    "inputs": [
      {
        "name": "owner",
        "type": "address",
        "internalType": "address"
      }
    ]
  },
  {
    "type": "error",
    "name": "OwnableUnauthorizedAccount",
    "inputs": [
      {
        "name": "account",
        "type": "address",
        "internalType": "address"
      }
    ]
  },
  {
    "type": "error",
    "name": "OwnershipRenounceDisabled",
    "inputs": []
  },
  {
    "type": "error",
    "name": "RateLimited",
    "inputs": [
      {
        "name": "blockNumber",
        "type": "uint64",
        "internalType": "uint64"
      }
    ]
  },
  {
    "type": "error",
    "name": "ReentrancyGuardReentrantCall",
    "inputs": []
  },
  {
    "type": "error",
    "name": "SafeERC20FailedOperation",
    "inputs": [
      {
        "name": "token",
        "type": "address",
        "internalType": "address"
      }
    ]
  },
  {
    "type": "error",
    "name": "TooEarly",
    "inputs": [
      {
        "name": "requestBlock",
        "type": "uint64",
        "internalType": "uint64"
      }
    ]
  },
  {
    "type": "error",
    "name": "TooFarFromAnchor",
    "inputs": [
      {
        "name": "steps",
        "type": "uint256",
        "internalType": "uint256"
      }
    ]
  },
  {
    "type": "error",
    "name": "UnknownProvider",
    "inputs": [
      {
        "name": "provider",
        "type": "address",
        "internalType": "address"
      }
    ]
  },
  {
    "type": "error",
    "name": "UnknownRequest",
    "inputs": [
      {
        "name": "sequenceNumber",
        "type": "uint64",
        "internalType": "uint64"
      }
    ]
  },
  {
    "type": "error",
    "name": "ZeroAddress",
    "inputs": []
  }
]