// SPDX-License-Identifier: MIT

pragma solidity ^0.7.0;

interface KeeperRegistryBaseInterface {
  function registerUpkeep(
    address target,
    uint32 gasLimit,
    address admin,
    bytes calldata checkData
  ) external returns (uint256 id);

  function performUpkeep(uint256 id, bytes calldata performData) external returns (bool success);

  function cancelUpkeep(uint256 id) external;

  function addFunds(uint256 id, uint96 amount) external;

  function getUpkeep(uint256 id)
    external
    view
    returns (
      address target,
      uint32 executeGas,
      bytes memory checkData,
      uint96 balance,
      address lastKeeper,
      address admin,
      uint64 maxValidBlocknumber
    );

  function getUpkeepCount() external view returns (uint256);

  function getCanceledUpkeepList() external view returns (uint256[] memory);

  function getKeeperList() external view returns (address[] memory);

  function getKeeperInfo(address query)
    external
    view
    returns (
      address payee,
      bool active,
      uint96 balance
    );

  function getConfig()
    external
    view
    returns (
      uint32 paymentPremiumPPB,
      uint24 checkFrequencyBlocks,
      uint32 checkGasLimit,
      uint24 stalenessSeconds,
      uint16 gasCeilingMultiplier,
      uint256 fallbackGasPrice,
      uint256 fallbackLinkPrice
    );
}

/**
 * @dev The view methods are not actually marked as view in the implementation
 * but we want them to be easily queried off-chain. Solidity will not compile
 * if we actually inherit from this interface, so we document it here.
 */
interface KeeperRegistryInterface is KeeperRegistryBaseInterface {
  function checkUpkeep(uint256 upkeepId, address from)
    external
    view
    returns (
      bytes memory performData,
      uint256 maxLinkPayment,
      uint256 gasLimit,
      int256 gasWei,
      int256 linkEth
    );
}

interface KeeperRegistryExecutableInterface is KeeperRegistryBaseInterface {
  function checkUpkeep(uint256 upkeepId, address from)
    external
    returns (
      bytes memory performData,
      uint256 maxLinkPayment,
      uint256 gasLimit,
      uint256 adjustedGasWei,
      uint256 linkEth
    );
}