Goerli Testnet

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0xE16Df59B887e3Caa439E0b29B42bA2e7976FD8b2
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Transmit105098282024-02-09 13:03:4864 days ago1707483828IN
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0 ETH0.000067761.5
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0 ETH0.000045181
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0 ETH0.00000090.02
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0 ETH0.00000260.02
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0 ETH00.00000098
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0 ETH0.00000090.02
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0 ETH00.00000093
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0 ETH0.00000090.02
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0 ETH0.000045191
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Transmit105098032024-02-09 12:56:1264 days ago1707483372IN
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Transmit105098002024-02-09 12:55:2464 days ago1707483324IN
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0 ETH00.00000088
Transmit105098002024-02-09 12:55:2464 days ago1707483324IN
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0 ETH0.000130441
Transmit105097992024-02-09 12:55:1264 days ago1707483312IN
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0 ETH00.00000088
Transmit105097992024-02-09 12:55:1264 days ago1707483312IN
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0 ETH0.000045191
Transmit105097952024-02-09 12:54:2464 days ago1707483264IN
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0 ETH00.00000133
Transmit105097872024-02-09 12:52:2464 days ago1707483144IN
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0 ETH00.00000093
Transmit105097822024-02-09 12:50:3664 days ago1707483036IN
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0 ETH00.00002879
Transmit105097812024-02-09 12:50:1264 days ago1707483012IN
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0 ETH00.00000133
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Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0x233a95cc...15cDd6ddD
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
KeeperRegistry2_0

Compiler Version
v0.8.6+commit.11564f7e

Optimization Enabled:
Yes with 1000000 runs

Other Settings:
default evmVersion
File 1 of 24 : KeeperRegistry2_0.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.8.6;

import "../../vendor/openzeppelin-solidity/v4.7.3/contracts/proxy/Proxy.sol";
import "../../vendor/openzeppelin-solidity/v4.7.3/contracts/utils/structs/EnumerableSet.sol";
import "../../vendor/openzeppelin-solidity/v4.7.3/contracts/utils/Address.sol";
import "./KeeperRegistryBase2_0.sol";
import {KeeperRegistryExecutableInterface, UpkeepInfo} from "./interfaces/KeeperRegistryInterface2_0.sol";
import "../../interfaces/MigratableKeeperRegistryInterface.sol";
import "../../interfaces/ERC677ReceiverInterface.sol";
import "./OCR2Abstract.sol";

/**
 _.  _|_ _ ._ _  _._|_o _ ._  o _  _    ._  _| _  __|_o._
(_||_||_(_)| | |(_| |_|(_)| | |_> (_)|_||  (_|(/__> |_|| |\/
                                                          /
 */
/**
 * @notice Registry for adding work for Chainlink Keepers to perform on client
 * contracts. Clients must support the Upkeep interface.
 */
contract KeeperRegistry2_0 is
  KeeperRegistryBase2_0,
  Proxy,
  OCR2Abstract,
  KeeperRegistryExecutableInterface,
  MigratableKeeperRegistryInterface,
  ERC677ReceiverInterface
{
  using Address for address;
  using EnumerableSet for EnumerableSet.UintSet;

  // Immutable address of logic contract where some functionality is delegated to
  address private immutable i_keeperRegistryLogic;

  /**
   * @notice versions:
   * - KeeperRegistry 2.0.0: implement OCR interface
   * - KeeperRegistry 1.3.0: split contract into Proxy and Logic
   *                       : account for Arbitrum and Optimism L1 gas fee
   *                       : allow users to configure upkeeps
   * - KeeperRegistry 1.2.0: allow funding within performUpkeep
   *                       : allow configurable registry maxPerformGas
   *                       : add function to let admin change upkeep gas limit
   *                       : add minUpkeepSpend requirement
   *                       : upgrade to solidity v0.8
   * - KeeperRegistry 1.1.0: added flatFeeMicroLink
   * - KeeperRegistry 1.0.0: initial release
   */
  string public constant override typeAndVersion = "KeeperRegistry 2.0.0";

  /**
   * @inheritdoc MigratableKeeperRegistryInterface
   */
  UpkeepFormat public constant override upkeepTranscoderVersion = UPKEEP_TRANSCODER_VERSION_BASE;

  /**
   * @param keeperRegistryLogic address of the logic contract
   */
  constructor(KeeperRegistryBase2_0 keeperRegistryLogic)
    KeeperRegistryBase2_0(
      keeperRegistryLogic.getPaymentModel(),
      keeperRegistryLogic.getLinkAddress(),
      keeperRegistryLogic.getLinkNativeFeedAddress(),
      keeperRegistryLogic.getFastGasFeedAddress()
    )
  {
    i_keeperRegistryLogic = address(keeperRegistryLogic);
  }

  ////////
  // ACTIONS
  ////////

  /**
   * @dev This struct is used to maintain run time information about an upkeep in transmit function
   * @member upkeep the upkeep struct
   * @member earlyChecksPassed whether the upkeep passed early checks before perform
   * @member paymentParams the paymentParams for this upkeep
   * @member performSuccess whether the perform was successful
   * @member gasUsed gasUsed by this upkeep in perform
   */
  struct UpkeepTransmitInfo {
    Upkeep upkeep;
    bool earlyChecksPassed;
    uint96 maxLinkPayment;
    bool performSuccess;
    uint256 gasUsed;
    uint256 gasOverhead;
  }

  /**
   * @inheritdoc OCR2Abstract
   */
  function transmit(
    bytes32[3] calldata reportContext,
    bytes calldata rawReport,
    bytes32[] calldata rs,
    bytes32[] calldata ss,
    bytes32 rawVs
  ) external override {
    uint256 gasOverhead = gasleft();
    HotVars memory hotVars = s_hotVars;

    if (hotVars.paused) revert RegistryPaused();
    if (!s_transmitters[msg.sender].active) revert OnlyActiveTransmitters();

    Report memory report = _decodeReport(rawReport);
    UpkeepTransmitInfo[] memory upkeepTransmitInfo = new UpkeepTransmitInfo[](report.upkeepIds.length);
    uint16 numUpkeepsPassedChecks;

    for (uint256 i = 0; i < report.upkeepIds.length; i++) {
      upkeepTransmitInfo[i].upkeep = s_upkeep[report.upkeepIds[i]];

      upkeepTransmitInfo[i].maxLinkPayment = _getMaxLinkPayment(
        hotVars,
        upkeepTransmitInfo[i].upkeep.executeGas,
        uint32(report.wrappedPerformDatas[i].performData.length),
        report.fastGasWei,
        report.linkNative,
        true
      );
      upkeepTransmitInfo[i].earlyChecksPassed = _prePerformChecks(
        report.upkeepIds[i],
        report.wrappedPerformDatas[i],
        upkeepTransmitInfo[i].upkeep,
        upkeepTransmitInfo[i].maxLinkPayment
      );

      if (upkeepTransmitInfo[i].earlyChecksPassed) {
        numUpkeepsPassedChecks += 1;
      }
    }
    // No upkeeps to be performed in this report
    if (numUpkeepsPassedChecks == 0) revert StaleReport();

    // Verify signatures
    if (s_latestConfigDigest != reportContext[0]) revert ConfigDigestMismatch();
    if (rs.length != hotVars.f + 1 || rs.length != ss.length) revert IncorrectNumberOfSignatures();
    _verifyReportSignature(reportContext, rawReport, rs, ss, rawVs);

    // Actually perform upkeeps
    for (uint256 i = 0; i < report.upkeepIds.length; i++) {
      if (upkeepTransmitInfo[i].earlyChecksPassed) {
        // Check if this upkeep was already performed in this report
        if (s_upkeep[report.upkeepIds[i]].lastPerformBlockNumber == uint32(block.number)) {
          revert InvalidReport();
        }

        // Actually perform the target upkeep
        (upkeepTransmitInfo[i].performSuccess, upkeepTransmitInfo[i].gasUsed) = _performUpkeep(
          upkeepTransmitInfo[i].upkeep,
          report.wrappedPerformDatas[i].performData
        );

        // Deduct that gasUsed by upkeep from our running counter
        gasOverhead -= upkeepTransmitInfo[i].gasUsed;

        // Store last perform block number for upkeep
        s_upkeep[report.upkeepIds[i]].lastPerformBlockNumber = uint32(block.number);
      }
    }

    // This is the overall gas overhead that will be split across performed upkeeps
    // Take upper bound of 16 gas per callData bytes, which is approximated to be reportLength
    // Rest of msg.data is accounted for in accounting overheads
    gasOverhead =
      (gasOverhead - gasleft() + 16 * rawReport.length) +
      ACCOUNTING_FIXED_GAS_OVERHEAD +
      (ACCOUNTING_PER_SIGNER_GAS_OVERHEAD * (hotVars.f + 1));
    gasOverhead = gasOverhead / numUpkeepsPassedChecks + ACCOUNTING_PER_UPKEEP_GAS_OVERHEAD;

    uint96 totalReimbursement;
    uint96 totalPremium;
    {
      uint96 reimbursement;
      uint96 premium;
      for (uint256 i = 0; i < report.upkeepIds.length; i++) {
        if (upkeepTransmitInfo[i].earlyChecksPassed) {
          upkeepTransmitInfo[i].gasOverhead = _getCappedGasOverhead(
            gasOverhead,
            uint32(report.wrappedPerformDatas[i].performData.length),
            hotVars.f
          );

          (reimbursement, premium) = _postPerformPayment(
            hotVars,
            report.upkeepIds[i],
            upkeepTransmitInfo[i],
            report.fastGasWei,
            report.linkNative,
            numUpkeepsPassedChecks
          );
          totalPremium += premium;
          totalReimbursement += reimbursement;

          emit UpkeepPerformed(
            report.upkeepIds[i],
            upkeepTransmitInfo[i].performSuccess,
            report.wrappedPerformDatas[i].checkBlockNumber,
            upkeepTransmitInfo[i].gasUsed,
            upkeepTransmitInfo[i].gasOverhead,
            reimbursement + premium
          );
        }
      }
    }
    // record payments
    s_transmitters[msg.sender].balance += totalReimbursement;
    s_hotVars.totalPremium += totalPremium;

    uint40 epochAndRound = uint40(uint256(reportContext[1]));
    uint32 epoch = uint32(epochAndRound >> 8);
    if (epoch > hotVars.latestEpoch) {
      s_hotVars.latestEpoch = epoch;
    }
  }

  /**
   * @notice simulates the upkeep with the perform data returned from
   * checkUpkeep
   * @param id identifier of the upkeep to execute the data with.
   * @param performData calldata parameter to be passed to the target upkeep.
   */
  function simulatePerformUpkeep(uint256 id, bytes calldata performData)
    external
    cannotExecute
    returns (bool success, uint256 gasUsed)
  {
    if (s_hotVars.paused) revert RegistryPaused();

    Upkeep memory upkeep = s_upkeep[id];
    return _performUpkeep(upkeep, performData);
  }

  /**
   * @notice uses LINK's transferAndCall to LINK and add funding to an upkeep
   * @dev safe to cast uint256 to uint96 as total LINK supply is under UINT96MAX
   * @param sender the account which transferred the funds
   * @param amount number of LINK transfer
   */
  function onTokenTransfer(
    address sender,
    uint256 amount,
    bytes calldata data
  ) external override {
    if (msg.sender != address(i_link)) revert OnlyCallableByLINKToken();
    if (data.length != 32) revert InvalidDataLength();
    uint256 id = abi.decode(data, (uint256));
    if (s_upkeep[id].maxValidBlocknumber != UINT32_MAX) revert UpkeepCancelled();

    s_upkeep[id].balance = s_upkeep[id].balance + uint96(amount);
    s_expectedLinkBalance = s_expectedLinkBalance + amount;

    emit FundsAdded(id, sender, uint96(amount));
  }

  ////////
  // SETTERS
  ////////

  /**
   * @inheritdoc OCR2Abstract
   */
  function setConfig(
    address[] memory signers,
    address[] memory transmitters,
    uint8 f,
    bytes memory onchainConfig,
    uint64 offchainConfigVersion,
    bytes memory offchainConfig
  ) external override onlyOwner {
    if (signers.length > maxNumOracles) revert TooManyOracles();
    if (f == 0) revert IncorrectNumberOfFaultyOracles();
    if (signers.length != transmitters.length || signers.length <= 3 * f) revert IncorrectNumberOfSigners();

    // move all pooled payments out of the pool to each transmitter's balance
    uint96 totalPremium = s_hotVars.totalPremium;
    uint96 oldLength = uint96(s_transmittersList.length);
    for (uint256 i = 0; i < oldLength; i++) {
      _updateTransmitterBalanceFromPool(s_transmittersList[i], totalPremium, oldLength);
    }

    // remove any old signer/transmitter addresses
    address signerAddress;
    address transmitterAddress;
    for (uint256 i = 0; i < oldLength; i++) {
      signerAddress = s_signersList[i];
      transmitterAddress = s_transmittersList[i];
      delete s_signers[signerAddress];
      // Do not delete the whole transmitter struct as it has balance information stored
      s_transmitters[transmitterAddress].active = false;
    }
    delete s_signersList;
    delete s_transmittersList;

    // add new signer/transmitter addresses
    {
      Transmitter memory transmitter;
      address temp;
      for (uint256 i = 0; i < signers.length; i++) {
        if (s_signers[signers[i]].active) revert RepeatedSigner();
        s_signers[signers[i]] = Signer({active: true, index: uint8(i)});

        temp = transmitters[i];
        transmitter = s_transmitters[temp];
        if (transmitter.active) revert RepeatedTransmitter();
        transmitter.active = true;
        transmitter.index = uint8(i);
        transmitter.lastCollected = totalPremium;
        s_transmitters[temp] = transmitter;
      }
    }
    s_signersList = signers;
    s_transmittersList = transmitters;

    // Set the onchain config
    OnchainConfig memory onchainConfigStruct = abi.decode(onchainConfig, (OnchainConfig));
    if (onchainConfigStruct.maxPerformGas < s_storage.maxPerformGas) revert GasLimitCanOnlyIncrease();
    if (onchainConfigStruct.maxCheckDataSize < s_storage.maxCheckDataSize) revert MaxCheckDataSizeCanOnlyIncrease();
    if (onchainConfigStruct.maxPerformDataSize < s_storage.maxPerformDataSize)
      revert MaxPerformDataSizeCanOnlyIncrease();

    s_hotVars = HotVars({
      f: f,
      paymentPremiumPPB: onchainConfigStruct.paymentPremiumPPB,
      flatFeeMicroLink: onchainConfigStruct.flatFeeMicroLink,
      stalenessSeconds: onchainConfigStruct.stalenessSeconds,
      gasCeilingMultiplier: onchainConfigStruct.gasCeilingMultiplier,
      paused: false,
      reentrancyGuard: false,
      totalPremium: totalPremium,
      latestEpoch: 0
    });

    s_storage = Storage({
      checkGasLimit: onchainConfigStruct.checkGasLimit,
      minUpkeepSpend: onchainConfigStruct.minUpkeepSpend,
      maxPerformGas: onchainConfigStruct.maxPerformGas,
      transcoder: onchainConfigStruct.transcoder,
      registrar: onchainConfigStruct.registrar,
      maxCheckDataSize: onchainConfigStruct.maxCheckDataSize,
      maxPerformDataSize: onchainConfigStruct.maxPerformDataSize,
      nonce: s_storage.nonce,
      configCount: s_storage.configCount,
      latestConfigBlockNumber: s_storage.latestConfigBlockNumber,
      ownerLinkBalance: s_storage.ownerLinkBalance
    });
    s_fallbackGasPrice = onchainConfigStruct.fallbackGasPrice;
    s_fallbackLinkPrice = onchainConfigStruct.fallbackLinkPrice;

    uint32 previousConfigBlockNumber = s_storage.latestConfigBlockNumber;
    s_storage.latestConfigBlockNumber = uint32(block.number);
    s_storage.configCount += 1;

    s_latestConfigDigest = _configDigestFromConfigData(
      block.chainid,
      address(this),
      s_storage.configCount,
      signers,
      transmitters,
      f,
      onchainConfig,
      offchainConfigVersion,
      offchainConfig
    );

    emit ConfigSet(
      previousConfigBlockNumber,
      s_latestConfigDigest,
      s_storage.configCount,
      signers,
      transmitters,
      f,
      onchainConfig,
      offchainConfigVersion,
      offchainConfig
    );
  }

  ////////
  // GETTERS
  ////////

  /**
   * @notice read all of the details about an upkeep
   */
  function getUpkeep(uint256 id) external view override returns (UpkeepInfo memory upkeepInfo) {
    Upkeep memory reg = s_upkeep[id];
    upkeepInfo = UpkeepInfo({
      target: reg.target,
      executeGas: reg.executeGas,
      checkData: s_checkData[id],
      balance: reg.balance,
      admin: s_upkeepAdmin[id],
      maxValidBlocknumber: reg.maxValidBlocknumber,
      lastPerformBlockNumber: reg.lastPerformBlockNumber,
      amountSpent: reg.amountSpent,
      paused: reg.paused,
      offchainConfig: s_upkeepOffchainConfig[id]
    });
    return upkeepInfo;
  }

  /**
   * @notice retrieve active upkeep IDs. Active upkeep is defined as an upkeep which is not paused and not canceled.
   * @param startIndex starting index in list
   * @param maxCount max count to retrieve (0 = unlimited)
   * @dev the order of IDs in the list is **not guaranteed**, therefore, if making successive calls, one
   * should consider keeping the blockheight constant to ensure a holistic picture of the contract state
   */
  function getActiveUpkeepIDs(uint256 startIndex, uint256 maxCount) external view override returns (uint256[] memory) {
    uint256 maxIdx = s_upkeepIDs.length();
    if (startIndex >= maxIdx) revert IndexOutOfRange();
    if (maxCount == 0) {
      maxCount = maxIdx - startIndex;
    }
    uint256[] memory ids = new uint256[](maxCount);
    for (uint256 idx = 0; idx < maxCount; idx++) {
      ids[idx] = s_upkeepIDs.at(startIndex + idx);
    }
    return ids;
  }

  /**
   * @notice read the current info about any transmitter address
   */
  function getTransmitterInfo(address query)
    external
    view
    override
    returns (
      bool active,
      uint8 index,
      uint96 balance,
      uint96 lastCollected,
      address payee
    )
  {
    Transmitter memory transmitter = s_transmitters[query];
    uint96 totalDifference = s_hotVars.totalPremium - transmitter.lastCollected;
    uint96 pooledShare = totalDifference / uint96(s_transmittersList.length);

    return (
      transmitter.active,
      transmitter.index,
      (transmitter.balance + pooledShare),
      transmitter.lastCollected,
      s_transmitterPayees[query]
    );
  }

  /**
   * @notice read the current info about any signer address
   */
  function getSignerInfo(address query) external view returns (bool active, uint8 index) {
    Signer memory signer = s_signers[query];
    return (signer.active, signer.index);
  }

  /**
   * @notice read the current state of the registry
   */
  function getState()
    external
    view
    override
    returns (
      State memory state,
      OnchainConfig memory config,
      address[] memory signers,
      address[] memory transmitters,
      uint8 f
    )
  {
    state = State({
      nonce: s_storage.nonce,
      ownerLinkBalance: s_storage.ownerLinkBalance,
      expectedLinkBalance: s_expectedLinkBalance,
      totalPremium: s_hotVars.totalPremium,
      numUpkeeps: s_upkeepIDs.length(),
      configCount: s_storage.configCount,
      latestConfigBlockNumber: s_storage.latestConfigBlockNumber,
      latestConfigDigest: s_latestConfigDigest,
      latestEpoch: s_hotVars.latestEpoch,
      paused: s_hotVars.paused
    });

    config = OnchainConfig({
      paymentPremiumPPB: s_hotVars.paymentPremiumPPB,
      flatFeeMicroLink: s_hotVars.flatFeeMicroLink,
      checkGasLimit: s_storage.checkGasLimit,
      stalenessSeconds: s_hotVars.stalenessSeconds,
      gasCeilingMultiplier: s_hotVars.gasCeilingMultiplier,
      minUpkeepSpend: s_storage.minUpkeepSpend,
      maxPerformGas: s_storage.maxPerformGas,
      maxCheckDataSize: s_storage.maxCheckDataSize,
      maxPerformDataSize: s_storage.maxPerformDataSize,
      fallbackGasPrice: s_fallbackGasPrice,
      fallbackLinkPrice: s_fallbackLinkPrice,
      transcoder: s_storage.transcoder,
      registrar: s_storage.registrar
    });

    return (state, config, s_signersList, s_transmittersList, s_hotVars.f);
  }

  /**
   * @notice calculates the minimum balance required for an upkeep to remain eligible
   * @param id the upkeep id to calculate minimum balance for
   */
  function getMinBalanceForUpkeep(uint256 id) external view returns (uint96 minBalance) {
    return getMaxPaymentForGas(s_upkeep[id].executeGas);
  }

  /**
   * @notice calculates the maximum payment for a given gas limit
   * @param gasLimit the gas to calculate payment for
   */
  function getMaxPaymentForGas(uint32 gasLimit) public view returns (uint96 maxPayment) {
    HotVars memory hotVars = s_hotVars;
    (uint256 fastGasWei, uint256 linkNative) = _getFeedData(hotVars);
    return _getMaxLinkPayment(hotVars, gasLimit, s_storage.maxPerformDataSize, fastGasWei, linkNative, false);
  }

  /**
   * @notice retrieves the migration permission for a peer registry
   */
  function getPeerRegistryMigrationPermission(address peer) external view returns (MigrationPermission) {
    return s_peerRegistryMigrationPermission[peer];
  }

  /**
   * @notice retrieves the address of the logic address
   */
  function getKeeperRegistryLogicAddress() external view returns (address) {
    return i_keeperRegistryLogic;
  }

  /**
   * @inheritdoc OCR2Abstract
   */
  function latestConfigDetails()
    external
    view
    override
    returns (
      uint32 configCount,
      uint32 blockNumber,
      bytes32 configDigest
    )
  {
    return (s_storage.configCount, s_storage.latestConfigBlockNumber, s_latestConfigDigest);
  }

  /**
   * @inheritdoc OCR2Abstract
   */
  function latestConfigDigestAndEpoch()
    external
    view
    override
    returns (
      bool scanLogs,
      bytes32 configDigest,
      uint32 epoch
    )
  {
    return (false, s_latestConfigDigest, s_hotVars.latestEpoch);
  }

  ////////
  // INTERNAL FUNCTIONS
  ////////

  /**
   * @dev This is the address to which proxy functions are delegated to
   */
  function _implementation() internal view override returns (address) {
    return i_keeperRegistryLogic;
  }

  /**
   * @dev calls target address with exactly gasAmount gas and data as calldata
   * or reverts if at least gasAmount gas is not available
   */
  function _callWithExactGas(
    uint256 gasAmount,
    address target,
    bytes memory data
  ) private returns (bool success) {
    assembly {
      let g := gas()
      // Compute g -= PERFORM_GAS_CUSHION and check for underflow
      if lt(g, PERFORM_GAS_CUSHION) {
        revert(0, 0)
      }
      g := sub(g, PERFORM_GAS_CUSHION)
      // if g - g//64 <= gasAmount, revert
      // (we subtract g//64 because of EIP-150)
      if iszero(gt(sub(g, div(g, 64)), gasAmount)) {
        revert(0, 0)
      }
      // solidity calls check that a contract actually exists at the destination, so we do the same
      if iszero(extcodesize(target)) {
        revert(0, 0)
      }
      // call and return whether we succeeded. ignore return data
      success := call(gasAmount, target, 0, add(data, 0x20), mload(data), 0, 0)
    }
    return success;
  }

  /**
   * @dev _decodeReport decodes a serialized report into a Report struct
   */
  function _decodeReport(bytes memory rawReport) internal pure returns (Report memory) {
    (
      uint256 fastGasWei,
      uint256 linkNative,
      uint256[] memory upkeepIds,
      PerformDataWrapper[] memory wrappedPerformDatas
    ) = abi.decode(rawReport, (uint256, uint256, uint256[], PerformDataWrapper[]));
    if (upkeepIds.length != wrappedPerformDatas.length) revert InvalidReport();

    return
      Report({
        fastGasWei: fastGasWei,
        linkNative: linkNative,
        upkeepIds: upkeepIds,
        wrappedPerformDatas: wrappedPerformDatas
      });
  }

  /**
   * @dev Does some early sanity checks before actually performing an upkeep
   */
  function _prePerformChecks(
    uint256 upkeepId,
    PerformDataWrapper memory wrappedPerformData,
    Upkeep memory upkeep,
    uint96 maxLinkPayment
  ) internal returns (bool) {
    if (wrappedPerformData.checkBlockNumber < upkeep.lastPerformBlockNumber) {
      // Can happen when another report performed this upkeep after this report was generated
      emit StaleUpkeepReport(upkeepId);
      return false;
    }

    if (blockhash(wrappedPerformData.checkBlockNumber) != wrappedPerformData.checkBlockhash) {
      // Can happen when the block on which report was generated got reorged
      // We will also revert if checkBlockNumber is older than 256 blocks. In this case we rely on a new transmission
      // with the latest checkBlockNumber
      emit ReorgedUpkeepReport(upkeepId);
      return false;
    }

    if (upkeep.maxValidBlocknumber <= block.number) {
      // Can happen when an upkeep got cancelled after report was generated.
      // However we have a CANCELLATION_DELAY of 50 blocks so shouldn't happen in practice
      emit CancelledUpkeepReport(upkeepId);
      return false;
    }

    if (upkeep.balance < maxLinkPayment) {
      // Can happen due to flucutations in gas / link prices
      emit InsufficientFundsUpkeepReport(upkeepId);
      return false;
    }

    return true;
  }

  /**
   * @dev Verify signatures attached to report
   */
  function _verifyReportSignature(
    bytes32[3] calldata reportContext,
    bytes calldata report,
    bytes32[] calldata rs,
    bytes32[] calldata ss,
    bytes32 rawVs
  ) internal view {
    bytes32 h = keccak256(abi.encode(keccak256(report), reportContext));
    // i-th byte counts number of sigs made by i-th signer
    uint256 signedCount = 0;

    Signer memory signer;
    address signerAddress;
    for (uint256 i = 0; i < rs.length; i++) {
      signerAddress = ecrecover(h, uint8(rawVs[i]) + 27, rs[i], ss[i]);
      signer = s_signers[signerAddress];
      if (!signer.active) revert OnlyActiveSigners();
      unchecked {
        signedCount += 1 << (8 * signer.index);
      }
    }

    if (signedCount & ORACLE_MASK != signedCount) revert DuplicateSigners();
  }

  /**
   * @dev calls the Upkeep target with the performData param passed in by the
   * transmitter and the exact gas required by the Upkeep
   */
  function _performUpkeep(Upkeep memory upkeep, bytes memory performData)
    private
    nonReentrant
    returns (bool success, uint256 gasUsed)
  {
    gasUsed = gasleft();
    bytes memory callData = abi.encodeWithSelector(PERFORM_SELECTOR, performData);
    success = _callWithExactGas(upkeep.executeGas, upkeep.target, callData);
    gasUsed = gasUsed - gasleft();

    return (success, gasUsed);
  }

  /**
   * @dev does postPerform payment processing for an upkeep. Deducts upkeep's balance and increases
   * amount spent.
   */
  function _postPerformPayment(
    HotVars memory hotVars,
    uint256 upkeepId,
    UpkeepTransmitInfo memory upkeepTransmitInfo,
    uint256 fastGasWei,
    uint256 linkNative,
    uint16 numBatchedUpkeeps
  ) internal returns (uint96 gasReimbursement, uint96 premium) {
    (gasReimbursement, premium) = _calculatePaymentAmount(
      hotVars,
      upkeepTransmitInfo.gasUsed,
      upkeepTransmitInfo.gasOverhead,
      fastGasWei,
      linkNative,
      numBatchedUpkeeps,
      true
    );

    uint96 payment = gasReimbursement + premium;
    s_upkeep[upkeepId].balance -= payment;
    s_upkeep[upkeepId].amountSpent += payment;

    return (gasReimbursement, premium);
  }

  /**
   * @dev Caps the gas overhead by the constant overhead used within initial payment checks in order to
   * prevent a revert in payment processing.
   */
  function _getCappedGasOverhead(
    uint256 calculatedGasOverhead,
    uint32 performDataLength,
    uint8 f
  ) private pure returns (uint256 cappedGasOverhead) {
    cappedGasOverhead = _getMaxGasOverhead(performDataLength, f);
    if (calculatedGasOverhead < cappedGasOverhead) {
      return calculatedGasOverhead;
    }
    return cappedGasOverhead;
  }

  ////////
  // PROXY FUNCTIONS - EXECUTED THROUGH FALLBACK
  ////////

  /**
   * @notice adds a new upkeep
   * @param target address to perform upkeep on
   * @param gasLimit amount of gas to provide the target contract when
   * performing upkeep
   * @param admin address to cancel upkeep and withdraw remaining funds
   * @param checkData data passed to the contract when checking for upkeep
   */
  function registerUpkeep(
    address target,
    uint32 gasLimit,
    address admin,
    bytes calldata checkData,
    bytes calldata offchainConfig
  ) external override returns (uint256 id) {
    // Executed through logic contract
    _fallback();
  }

  /**
   * @notice simulated by keepers via eth_call to see if the upkeep needs to be
   * performed. It returns the success status / failure reason along with the perform data payload.
   * @param id identifier of the upkeep to check
   */
  function checkUpkeep(uint256 id)
    external
    override
    cannotExecute
    returns (
      bool upkeepNeeded,
      bytes memory performData,
      UpkeepFailureReason upkeepFailureReason,
      uint256 gasUsed,
      uint256 fastGasWei,
      uint256 linkNative
    )
  {
    // Executed through logic contract
    _fallback();
  }

  /**
   * @notice prevent an upkeep from being performed in the future
   * @param id upkeep to be canceled
   */
  function cancelUpkeep(uint256 id) external override {
    // Executed through logic contract
    _fallback();
  }

  /**
   * @notice pause an upkeep
   * @param id upkeep to be paused
   */
  function pauseUpkeep(uint256 id) external override {
    // Executed through logic contract
    _fallback();
  }

  /**
   * @notice unpause an upkeep
   * @param id upkeep to be resumed
   */
  function unpauseUpkeep(uint256 id) external override {
    // Executed through logic contract
    _fallback();
  }

  /**
   * @notice update the check data of an upkeep
   * @param id the id of the upkeep whose check data needs to be updated
   * @param newCheckData the new check data
   */
  function updateCheckData(uint256 id, bytes calldata newCheckData) external override {
    // Executed through logic contract
    _fallback();
  }

  /**
   * @notice adds LINK funding for an upkeep by transferring from the sender's
   * LINK balance
   * @param id upkeep to fund
   * @param amount number of LINK to transfer
   */
  function addFunds(uint256 id, uint96 amount) external override {
    // Executed through logic contract
    _fallback();
  }

  /**
   * @notice removes funding from a canceled upkeep
   * @param id upkeep to withdraw funds from
   * @param to destination address for sending remaining funds
   */
  function withdrawFunds(uint256 id, address to) external {
    // Executed through logic contract
    // Restricted to nonRentrant in logic contract as this is not callable from a user's performUpkeep
    _fallback();
  }

  /**
   * @notice allows the admin of an upkeep to modify gas limit
   * @param id upkeep to be change the gas limit for
   * @param gasLimit new gas limit for the upkeep
   */
  function setUpkeepGasLimit(uint256 id, uint32 gasLimit) external override {
    // Executed through logic contract
    _fallback();
  }

  /**
   * @notice allows the admin of an upkeep to modify the offchain config
   * @param id upkeep to be change the gas limit for
   * @param config instructs oracles of offchain config preferences
   */
  function setUpkeepOffchainConfig(uint256 id, bytes calldata config) external override {
    // Executed through logic contract
    _fallback();
  }

  /**
   * @notice withdraws a transmitter's payment, callable only by the transmitter's payee
   * @param from transmitter address
   * @param to address to send the payment to
   */
  function withdrawPayment(address from, address to) external {
    // Executed through logic contract
    _fallback();
  }

  /**
   * @notice proposes the safe transfer of a transmitter's payee to another address
   * @param transmitter address of the transmitter to transfer payee role
   * @param proposed address to nominate for next payeeship
   */
  function transferPayeeship(address transmitter, address proposed) external {
    // Executed through logic contract
    _fallback();
  }

  /**
   * @notice accepts the safe transfer of payee role for a transmitter
   * @param transmitter address to accept the payee role for
   */
  function acceptPayeeship(address transmitter) external {
    // Executed through logic contract
    _fallback();
  }

  /**
   * @notice proposes the safe transfer of an upkeep's admin role to another address
   * @param id the upkeep id to transfer admin
   * @param proposed address to nominate for the new upkeep admin
   */
  function transferUpkeepAdmin(uint256 id, address proposed) external override {
    // Executed through logic contract
    _fallback();
  }

  /**
   * @notice accepts the safe transfer of admin role for an upkeep
   * @param id the upkeep id
   */
  function acceptUpkeepAdmin(uint256 id) external override {
    // Executed through logic contract
    _fallback();
  }

  /**
   * @inheritdoc MigratableKeeperRegistryInterface
   */
  function migrateUpkeeps(uint256[] calldata ids, address destination) external override {
    // Executed through logic contract
    _fallback();
  }

  /**
   * @inheritdoc MigratableKeeperRegistryInterface
   */
  function receiveUpkeeps(bytes calldata encodedUpkeeps) external override {
    // Executed through logic contract
    _fallback();
  }

  ////////
  // OWNER RESTRICTED FUNCTIONS
  ////////

  /**
   * @notice recovers LINK funds improperly transferred to the registry
   * @dev In principle this function’s execution cost could exceed block
   * gas limit. However, in our anticipated deployment, the number of upkeeps and
   * transmitters will be low enough to avoid this problem.
   */
  function recoverFunds() external {
    // Executed through logic contract
    // Restricted to onlyOwner in logic contract
    _fallback();
  }

  /**
   * @notice withdraws LINK funds collected through cancellation fees
   */
  function withdrawOwnerFunds() external {
    // Executed through logic contract
    // Restricted to onlyOwner in logic contract
    _fallback();
  }

  /**
   * @notice update the list of payees corresponding to the transmitters
   * @param payees addresses corresponding to transmitters who are allowed to
   * move payments which have been accrued
   */
  function setPayees(address[] calldata payees) external {
    // Executed through logic contract
    // Restricted to onlyOwner in logic contract
    _fallback();
  }

  /**
   * @notice signals to transmitters that they should not perform upkeeps until the
   * contract has been unpaused
   */
  function pause() external {
    // Executed through logic contract
    // Restricted to onlyOwner in logic contract
    _fallback();
  }

  /**
   * @notice signals to transmitters that they can perform upkeeps once again after
   * having been paused
   */
  function unpause() external {
    // Executed through logic contract
    // Restricted to onlyOwner in logic contract
    _fallback();
  }

  /**
   * @notice sets the peer registry migration permission
   */
  function setPeerRegistryMigrationPermission(address peer, MigrationPermission permission) external {
    // Executed through logic contract
    // Restricted to onlyOwner in logic contract
    _fallback();
  }
}

File 3 of 24 : Proxy.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (proxy/Proxy.sol)

pragma solidity ^0.8.0;

/**
 * @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM
 * instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to
 * be specified by overriding the virtual {_implementation} function.
 *
 * Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a
 * different contract through the {_delegate} function.
 *
 * The success and return data of the delegated call will be returned back to the caller of the proxy.
 */
abstract contract Proxy {
    /**
     * @dev Delegates the current call to `implementation`.
     *
     * This function does not return to its internal call site, it will return directly to the external caller.
     */
    function _delegate(address implementation) internal virtual {
        assembly {
            // Copy msg.data. We take full control of memory in this inline assembly
            // block because it will not return to Solidity code. We overwrite the
            // Solidity scratch pad at memory position 0.
            calldatacopy(0, 0, calldatasize())

            // Call the implementation.
            // out and outsize are 0 because we don't know the size yet.
            let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0)

            // Copy the returned data.
            returndatacopy(0, 0, returndatasize())

            switch result
            // delegatecall returns 0 on error.
            case 0 {
                revert(0, returndatasize())
            }
            default {
                return(0, returndatasize())
            }
        }
    }

    /**
     * @dev This is a virtual function that should be overridden so it returns the address to which the fallback function
     * and {_fallback} should delegate.
     */
    function _implementation() internal view virtual returns (address);

    /**
     * @dev Delegates the current call to the address returned by `_implementation()`.
     *
     * This function does not return to its internal call site, it will return directly to the external caller.
     */
    function _fallback() internal virtual {
        _beforeFallback();
        _delegate(_implementation());
    }

    /**
     * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if no other
     * function in the contract matches the call data.
     */
    fallback() external payable virtual {
        _fallback();
    }

    /**
     * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if call data
     * is empty.
     */
    receive() external payable virtual {
        _fallback();
    }

    /**
     * @dev Hook that is called before falling back to the implementation. Can happen as part of a manual `_fallback`
     * call, or as part of the Solidity `fallback` or `receive` functions.
     *
     * If overridden should call `super._beforeFallback()`.
     */
    function _beforeFallback() internal virtual {}
}

File 4 of 24 : EnumerableSet.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/structs/EnumerableSet.sol)
// This file was procedurally generated from scripts/generate/templates/EnumerableSet.js.

pragma solidity ^0.8.0;

/**
 * @dev Library for managing
 * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive
 * types.
 *
 * Sets have the following properties:
 *
 * - Elements are added, removed, and checked for existence in constant time
 * (O(1)).
 * - Elements are enumerated in O(n). No guarantees are made on the ordering.
 *
 * ```
 * contract Example {
 *     // Add the library methods
 *     using EnumerableSet for EnumerableSet.AddressSet;
 *
 *     // Declare a set state variable
 *     EnumerableSet.AddressSet private mySet;
 * }
 * ```
 *
 * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)
 * and `uint256` (`UintSet`) are supported.
 *
 * [WARNING]
 * ====
 *  Trying to delete such a structure from storage will likely result in data corruption, rendering the structure unusable.
 *  See https://github.com/ethereum/solidity/pull/11843[ethereum/solidity#11843] for more info.
 *
 *  In order to clean an EnumerableSet, you can either remove all elements one by one or create a fresh instance using an array of EnumerableSet.
 * ====
 */
library EnumerableSet {
    // To implement this library for multiple types with as little code
    // repetition as possible, we write it in terms of a generic Set type with
    // bytes32 values.
    // The Set implementation uses private functions, and user-facing
    // implementations (such as AddressSet) are just wrappers around the
    // underlying Set.
    // This means that we can only create new EnumerableSets for types that fit
    // in bytes32.

    struct Set {
        // Storage of set values
        bytes32[] _values;
        // Position of the value in the `values` array, plus 1 because index 0
        // means a value is not in the set.
        mapping(bytes32 => uint256) _indexes;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function _add(Set storage set, bytes32 value) private returns (bool) {
        if (!_contains(set, value)) {
            set._values.push(value);
            // The value is stored at length-1, but we add 1 to all indexes
            // and use 0 as a sentinel value
            set._indexes[value] = set._values.length;
            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function _remove(Set storage set, bytes32 value) private returns (bool) {
        // We read and store the value's index to prevent multiple reads from the same storage slot
        uint256 valueIndex = set._indexes[value];

        if (valueIndex != 0) {
            // Equivalent to contains(set, value)
            // To delete an element from the _values array in O(1), we swap the element to delete with the last one in
            // the array, and then remove the last element (sometimes called as 'swap and pop').
            // This modifies the order of the array, as noted in {at}.

            uint256 toDeleteIndex = valueIndex - 1;
            uint256 lastIndex = set._values.length - 1;

            if (lastIndex != toDeleteIndex) {
                bytes32 lastValue = set._values[lastIndex];

                // Move the last value to the index where the value to delete is
                set._values[toDeleteIndex] = lastValue;
                // Update the index for the moved value
                set._indexes[lastValue] = valueIndex; // Replace lastValue's index to valueIndex
            }

            // Delete the slot where the moved value was stored
            set._values.pop();

            // Delete the index for the deleted slot
            delete set._indexes[value];

            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function _contains(Set storage set, bytes32 value) private view returns (bool) {
        return set._indexes[value] != 0;
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function _length(Set storage set) private view returns (uint256) {
        return set._values.length;
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function _at(Set storage set, uint256 index) private view returns (bytes32) {
        return set._values[index];
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function _values(Set storage set) private view returns (bytes32[] memory) {
        return set._values;
    }

    // Bytes32Set

    struct Bytes32Set {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _add(set._inner, value);
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _remove(set._inner, value);
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {
        return _contains(set._inner, value);
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(Bytes32Set storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {
        return _at(set._inner, index);
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(Bytes32Set storage set) internal view returns (bytes32[] memory) {
        bytes32[] memory store = _values(set._inner);
        bytes32[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }

    // AddressSet

    struct AddressSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(AddressSet storage set, address value) internal returns (bool) {
        return _add(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(AddressSet storage set, address value) internal returns (bool) {
        return _remove(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(AddressSet storage set, address value) internal view returns (bool) {
        return _contains(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(AddressSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(AddressSet storage set, uint256 index) internal view returns (address) {
        return address(uint160(uint256(_at(set._inner, index))));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(AddressSet storage set) internal view returns (address[] memory) {
        bytes32[] memory store = _values(set._inner);
        address[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }

    // UintSet

    struct UintSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(UintSet storage set, uint256 value) internal returns (bool) {
        return _add(set._inner, bytes32(value));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(UintSet storage set, uint256 value) internal returns (bool) {
        return _remove(set._inner, bytes32(value));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(UintSet storage set, uint256 value) internal view returns (bool) {
        return _contains(set._inner, bytes32(value));
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(UintSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(UintSet storage set, uint256 index) internal view returns (uint256) {
        return uint256(_at(set._inner, index));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(UintSet storage set) internal view returns (uint256[] memory) {
        bytes32[] memory store = _values(set._inner);
        uint256[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }
}

File 5 of 24 : Address.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // Look for revert reason and bubble it up if present
        if (returndata.length > 0) {
            // The easiest way to bubble the revert reason is using memory via assembly
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

File 6 of 24 : KeeperRegistryBase2_0.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.8.6;

import "../../vendor/openzeppelin-solidity/v4.7.3/contracts/utils/structs/EnumerableSet.sol";
import "../vendor/@arbitrum/nitro-contracts/src/precompiles/ArbGasInfo.sol";
import "../vendor/@eth-optimism/contracts/0.8.6/contracts/L2/predeploys/OVM_GasPriceOracle.sol";
import "../ExecutionPrevention.sol";
import {OnchainConfig, State, UpkeepFailureReason} from "./interfaces/KeeperRegistryInterface2_0.sol";
import "../../ConfirmedOwner.sol";
import "../../interfaces/AggregatorV3Interface.sol";
import "../../interfaces/LinkTokenInterface.sol";
import "../../interfaces/KeeperCompatibleInterface.sol";
import "../../interfaces/UpkeepTranscoderInterface.sol";

/**
 * @notice Base Keeper Registry contract, contains shared logic between
 * KeeperRegistry and KeeperRegistryLogic
 */
abstract contract KeeperRegistryBase2_0 is ConfirmedOwner, ExecutionPrevention {
  address internal constant ZERO_ADDRESS = address(0);
  address internal constant IGNORE_ADDRESS = 0xFFfFfFffFFfffFFfFFfFFFFFffFFFffffFfFFFfF;
  bytes4 internal constant CHECK_SELECTOR = KeeperCompatibleInterface.checkUpkeep.selector;
  bytes4 internal constant PERFORM_SELECTOR = KeeperCompatibleInterface.performUpkeep.selector;
  uint256 internal constant PERFORM_GAS_MIN = 2_300;
  uint256 internal constant CANCELLATION_DELAY = 50;
  uint256 internal constant PERFORM_GAS_CUSHION = 5_000;
  uint256 internal constant PPB_BASE = 1_000_000_000;
  uint32 internal constant UINT32_MAX = type(uint32).max;
  uint96 internal constant LINK_TOTAL_SUPPLY = 1e27;
  // The first byte of the mask can be 0, because we only ever have 31 oracles
  uint256 internal constant ORACLE_MASK = 0x0001010101010101010101010101010101010101010101010101010101010101;
  UpkeepFormat internal constant UPKEEP_TRANSCODER_VERSION_BASE = UpkeepFormat.V3;
  // L1_FEE_DATA_PADDING includes 35 bytes for L1 data padding for Optimism
  bytes internal constant L1_FEE_DATA_PADDING =
    "0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff";

  uint256 internal constant REGISTRY_GAS_OVERHEAD = 65_000; // Used only in maxPayment estimation, not in actual payment
  uint256 internal constant REGISTRY_PER_PERFORM_BYTE_GAS_OVERHEAD = 20; // Used only in maxPayment estimation, not in actual payment. Value scales with performData length.
  uint256 internal constant REGISTRY_PER_SIGNER_GAS_OVERHEAD = 7_500; // Used only in maxPayment estimation, not in actual payment. Value scales with f.

  uint256 internal constant ACCOUNTING_FIXED_GAS_OVERHEAD = 26_900; // Used in actual payment. Fixed overhead per tx
  uint256 internal constant ACCOUNTING_PER_SIGNER_GAS_OVERHEAD = 1_100; // Used in actual payment. overhead per signer
  uint256 internal constant ACCOUNTING_PER_UPKEEP_GAS_OVERHEAD = 5_800; // Used in actual payment. overhead per upkeep performed

  OVM_GasPriceOracle internal constant OPTIMISM_ORACLE = OVM_GasPriceOracle(0x420000000000000000000000000000000000000F);
  ArbGasInfo internal constant ARB_NITRO_ORACLE = ArbGasInfo(0x000000000000000000000000000000000000006C);

  LinkTokenInterface internal immutable i_link;
  AggregatorV3Interface internal immutable i_linkNativeFeed;
  AggregatorV3Interface internal immutable i_fastGasFeed;
  PaymentModel internal immutable i_paymentModel;

  // @dev - The storage is gas optimised for one and only function - transmit. All the storage accessed in transmit
  // is stored compactly. Rest of the storage layout is not of much concern as transmit is the only hot path
  // Upkeep storage
  EnumerableSet.UintSet internal s_upkeepIDs;
  mapping(uint256 => Upkeep) internal s_upkeep; // accessed during transmit
  mapping(uint256 => address) internal s_upkeepAdmin;
  mapping(uint256 => address) internal s_proposedAdmin;
  mapping(uint256 => bytes) internal s_checkData;
  // Registry config and state
  mapping(address => Transmitter) internal s_transmitters;
  mapping(address => Signer) internal s_signers;
  address[] internal s_signersList; // s_signersList contains the signing address of each oracle
  address[] internal s_transmittersList; // s_transmittersList contains the transmission address of each oracle
  mapping(address => address) internal s_transmitterPayees; // s_payees contains the mapping from transmitter to payee.
  mapping(address => address) internal s_proposedPayee; // proposed payee for a transmitter
  bytes32 internal s_latestConfigDigest; // Read on transmit path in case of signature verification
  HotVars internal s_hotVars; // Mixture of config and state, used in transmit
  Storage internal s_storage; // Mixture of config and state, not used in transmit
  uint256 internal s_fallbackGasPrice;
  uint256 internal s_fallbackLinkPrice;
  uint256 internal s_expectedLinkBalance; // Used in case of erroneous LINK transfers to contract
  mapping(address => MigrationPermission) internal s_peerRegistryMigrationPermission; // Permissions for migration to and fro
  mapping(uint256 => bytes) internal s_upkeepOffchainConfig; // general configuration preferences

  error ArrayHasNoEntries();
  error CannotCancel();
  error DuplicateEntry();
  error GasLimitCanOnlyIncrease();
  error GasLimitOutsideRange();
  error IndexOutOfRange();
  error InsufficientFunds();
  error InvalidDataLength();
  error InvalidPayee();
  error InvalidRecipient();
  error MigrationNotPermitted();
  error NotAContract();
  error OnlyActiveTransmitters();
  error OnlyCallableByAdmin();
  error OnlyCallableByLINKToken();
  error OnlyCallableByOwnerOrAdmin();
  error OnlyCallableByOwnerOrRegistrar();
  error OnlyCallableByPayee();
  error OnlyCallableByProposedAdmin();
  error OnlyCallableByProposedPayee();
  error OnlyPausedUpkeep();
  error OnlyUnpausedUpkeep();
  error ParameterLengthError();
  error PaymentGreaterThanAllLINK();
  error TargetCheckReverted(bytes reason);
  error TranscoderNotSet();
  error UpkeepCancelled();
  error UpkeepNotCanceled();
  error UpkeepNotNeeded();
  error ValueNotChanged();
  error ConfigDigestMismatch();
  error IncorrectNumberOfSignatures();
  error OnlyActiveSigners();
  error DuplicateSigners();
  error StaleReport();
  error TooManyOracles();
  error IncorrectNumberOfSigners();
  error IncorrectNumberOfFaultyOracles();
  error RepeatedSigner();
  error RepeatedTransmitter();
  error OnchainConfigNonEmpty();
  error CheckDataExceedsLimit();
  error MaxCheckDataSizeCanOnlyIncrease();
  error MaxPerformDataSizeCanOnlyIncrease();
  error InvalidReport();
  error RegistryPaused();
  error ReentrantCall();
  error UpkeepAlreadyExists();

  enum MigrationPermission {
    NONE,
    OUTGOING,
    INCOMING,
    BIDIRECTIONAL
  }

  enum PaymentModel {
    DEFAULT,
    ARBITRUM,
    OPTIMISM
  }

  // Config + State storage struct which is on hot transmit path
  struct HotVars {
    uint8 f; // maximum number of faulty oracles
    uint32 paymentPremiumPPB; // premium percentage charged to user over tx cost
    uint32 flatFeeMicroLink; // flat fee charged to user for every perform
    uint24 stalenessSeconds; // Staleness tolerance for feeds
    uint16 gasCeilingMultiplier; // multiplier on top of fast gas feed for upper bound
    bool paused; // pause switch for all upkeeps in the registry
    bool reentrancyGuard; // guard against reentrancy
    uint96 totalPremium; // total historical payment to oracles for premium
    uint32 latestEpoch; // latest epoch for which a report was transmitted
    // 1 EVM word full
  }

  // Config + State storage struct which is not on hot transmit path
  struct Storage {
    uint96 minUpkeepSpend; // Minimum amount an upkeep must spend
    address transcoder; // Address of transcoder contract used in migrations
    // 1 EVM word full
    uint96 ownerLinkBalance; // Balance of owner, accumulates minUpkeepSpend in case it is not spent
    address registrar; // Address of registrar used to register upkeeps
    // 2 EVM word full
    uint32 checkGasLimit; // Gas limit allowed in checkUpkeep
    uint32 maxPerformGas; // Max gas an upkeep can use on this registry
    uint32 nonce; // Nonce for each upkeep created
    uint32 configCount; // incremented each time a new config is posted, The count
    // is incorporated into the config digest to prevent replay attacks.
    uint32 latestConfigBlockNumber; // makes it easier for offchain systems to extract config from logs
    uint32 maxCheckDataSize; // max length of checkData bytes
    uint32 maxPerformDataSize; // max length of performData bytes
    // 4 bytes to 3rd EVM word
  }

  struct Transmitter {
    bool active;
    uint8 index; // Index of oracle in s_signersList/s_transmittersList
    uint96 balance;
    uint96 lastCollected;
  }

  struct Signer {
    bool active;
    // Index of oracle in s_signersList/s_transmittersList
    uint8 index;
  }

  // This struct is used to pack information about the user's check function
  struct PerformDataWrapper {
    uint32 checkBlockNumber; // Block number-1 on which check was simulated
    bytes32 checkBlockhash; // blockhash of checkBlockNumber. Used for reorg protection
    bytes performData; // actual performData that user's check returned
  }

  // Report transmitted by OCR to transmit function
  struct Report {
    uint256 fastGasWei;
    uint256 linkNative;
    uint256[] upkeepIds; // Ids of upkeeps
    PerformDataWrapper[] wrappedPerformDatas; // Contains checkInfo and performData for the corresponding upkeeps
  }

  /**
   * @notice relevant state of an upkeep which is used in transmit function
   * @member balance the balance of this upkeep
   * @member target the contract which needs to be serviced
   * @member amountSpent the amount this upkeep has spent
   * @member executeGas the gas limit of upkeep execution
   * @member maxValidBlocknumber until which block this upkeep is valid
   * @member lastPerformBlockNumber the last block number when this upkeep was performed
   * @member paused if this upkeep has been paused
   */
  struct Upkeep {
    uint32 executeGas;
    uint32 maxValidBlocknumber;
    bool paused;
    address target;
    // 3 bytes left in 1st EVM word - not written to in transmit
    uint96 amountSpent;
    uint96 balance;
    uint32 lastPerformBlockNumber;
    // 4 bytes left in 2nd EVM word - written in transmit path
  }

  event FundsAdded(uint256 indexed id, address indexed from, uint96 amount);
  event FundsWithdrawn(uint256 indexed id, uint256 amount, address to);
  event OwnerFundsWithdrawn(uint96 amount);
  event PayeesUpdated(address[] transmitters, address[] payees);
  event PayeeshipTransferRequested(address indexed transmitter, address indexed from, address indexed to);
  event PayeeshipTransferred(address indexed transmitter, address indexed from, address indexed to);
  event PaymentWithdrawn(address indexed transmitter, uint256 indexed amount, address indexed to, address payee);
  event UpkeepAdminTransferRequested(uint256 indexed id, address indexed from, address indexed to);
  event UpkeepAdminTransferred(uint256 indexed id, address indexed from, address indexed to);
  event UpkeepCanceled(uint256 indexed id, uint64 indexed atBlockHeight);
  event UpkeepCheckDataUpdated(uint256 indexed id, bytes newCheckData);
  event UpkeepGasLimitSet(uint256 indexed id, uint96 gasLimit);
  event UpkeepOffchainConfigSet(uint256 indexed id, bytes offchainConfig);
  event UpkeepMigrated(uint256 indexed id, uint256 remainingBalance, address destination);
  event UpkeepPaused(uint256 indexed id);
  event UpkeepPerformed(
    uint256 indexed id,
    bool indexed success,
    uint32 checkBlockNumber,
    uint256 gasUsed,
    uint256 gasOverhead,
    uint96 totalPayment
  );
  event UpkeepReceived(uint256 indexed id, uint256 startingBalance, address importedFrom);
  event UpkeepUnpaused(uint256 indexed id);
  event UpkeepRegistered(uint256 indexed id, uint32 executeGas, address admin);
  event StaleUpkeepReport(uint256 indexed id);
  event ReorgedUpkeepReport(uint256 indexed id);
  event InsufficientFundsUpkeepReport(uint256 indexed id);
  event CancelledUpkeepReport(uint256 indexed id);
  event Paused(address account);
  event Unpaused(address account);

  /**
   * @param paymentModel the payment model of default, Arbitrum, or Optimism
   * @param link address of the LINK Token
   * @param linkNativeFeed address of the LINK/Native price feed
   * @param fastGasFeed address of the Fast Gas price feed
   */
  constructor(
    PaymentModel paymentModel,
    address link,
    address linkNativeFeed,
    address fastGasFeed
  ) ConfirmedOwner(msg.sender) {
    i_paymentModel = paymentModel;
    i_link = LinkTokenInterface(link);
    i_linkNativeFeed = AggregatorV3Interface(linkNativeFeed);
    i_fastGasFeed = AggregatorV3Interface(fastGasFeed);
  }

  ////////
  // GETTERS
  ////////

  function getPaymentModel() external view returns (PaymentModel) {
    return i_paymentModel;
  }

  function getLinkAddress() external view returns (address) {
    return address(i_link);
  }

  function getLinkNativeFeedAddress() external view returns (address) {
    return address(i_linkNativeFeed);
  }

  function getFastGasFeedAddress() external view returns (address) {
    return address(i_fastGasFeed);
  }

  ////////
  // INTERNAL
  ////////

  /**
   * @dev retrieves feed data for fast gas/native and link/native prices. if the feed
   * data is stale it uses the configured fallback price. Once a price is picked
   * for gas it takes the min of gas price in the transaction or the fast gas
   * price in order to reduce costs for the upkeep clients.
   */
  function _getFeedData(HotVars memory hotVars) internal view returns (uint256 gasWei, uint256 linkNative) {
    uint32 stalenessSeconds = hotVars.stalenessSeconds;
    bool staleFallback = stalenessSeconds > 0;
    uint256 timestamp;
    int256 feedValue;
    (, feedValue, , timestamp, ) = i_fastGasFeed.latestRoundData();
    if (
      feedValue <= 0 || block.timestamp < timestamp || (staleFallback && stalenessSeconds < block.timestamp - timestamp)
    ) {
      gasWei = s_fallbackGasPrice;
    } else {
      gasWei = uint256(feedValue);
    }
    (, feedValue, , timestamp, ) = i_linkNativeFeed.latestRoundData();
    if (
      feedValue <= 0 || block.timestamp < timestamp || (staleFallback && stalenessSeconds < block.timestamp - timestamp)
    ) {
      linkNative = s_fallbackLinkPrice;
    } else {
      linkNative = uint256(feedValue);
    }
    return (gasWei, linkNative);
  }

  /**
   * @dev calculates LINK paid for gas spent plus a configure premium percentage
   * @param gasLimit the amount of gas used
   * @param gasOverhead the amount of gas overhead
   * @param fastGasWei the fast gas price
   * @param linkNative the exchange ratio between LINK and Native token
   * @param numBatchedUpkeeps the number of upkeeps in this batch. Used to divide the L1 cost
   * @param isExecution if this is triggered by a perform upkeep function
   */
  function _calculatePaymentAmount(
    HotVars memory hotVars,
    uint256 gasLimit,
    uint256 gasOverhead,
    uint256 fastGasWei,
    uint256 linkNative,
    uint16 numBatchedUpkeeps,
    bool isExecution
  ) internal view returns (uint96, uint96) {
    uint256 gasWei = fastGasWei * hotVars.gasCeilingMultiplier;
    // in case it's actual execution use actual gas price, capped by fastGasWei * gasCeilingMultiplier
    if (isExecution && tx.gasprice < gasWei) {
      gasWei = tx.gasprice;
    }

    uint256 l1CostWei = 0;
    if (i_paymentModel == PaymentModel.OPTIMISM) {
      bytes memory txCallData = new bytes(0);
      if (isExecution) {
        txCallData = bytes.concat(msg.data, L1_FEE_DATA_PADDING);
      } else {
        // @dev fee is 4 per 0 byte, 16 per non-zero byte. Worst case we can have
        // s_storage.maxPerformDataSize non zero-bytes. Instead of setting bytes to non-zero
        // we initialize 'new bytes' of length 4*maxPerformDataSize to cover for zero bytes.
        txCallData = new bytes(4 * s_storage.maxPerformDataSize);
      }
      l1CostWei = OPTIMISM_ORACLE.getL1Fee(txCallData);
    } else if (i_paymentModel == PaymentModel.ARBITRUM) {
      l1CostWei = ARB_NITRO_ORACLE.getCurrentTxL1GasFees();
    }
    // if it's not performing upkeeps, use gas ceiling multiplier to estimate the upper bound
    if (!isExecution) {
      l1CostWei = hotVars.gasCeilingMultiplier * l1CostWei;
    }
    // Divide l1CostWei among all batched upkeeps. Spare change from division is not charged
    l1CostWei = l1CostWei / numBatchedUpkeeps;

    uint256 gasPayment = ((gasWei * (gasLimit + gasOverhead) + l1CostWei) * 1e18) / linkNative;
    uint256 premium = (((gasWei * gasLimit) + l1CostWei) * 1e9 * hotVars.paymentPremiumPPB) /
      linkNative +
      uint256(hotVars.flatFeeMicroLink) *
      1e12;
    // LINK_TOTAL_SUPPLY < UINT96_MAX
    if (gasPayment + premium > LINK_TOTAL_SUPPLY) revert PaymentGreaterThanAllLINK();
    return (uint96(gasPayment), uint96(premium));
  }

  /**
   * @dev generates the max link payment for an upkeep
   */
  function _getMaxLinkPayment(
    HotVars memory hotVars,
    uint32 executeGas,
    uint32 performDataLength,
    uint256 fastGasWei,
    uint256 linkNative,
    bool isExecution // Whether this is an actual perform execution or just a simulation
  ) internal view returns (uint96) {
    uint256 gasOverhead = _getMaxGasOverhead(performDataLength, hotVars.f);
    (uint96 reimbursement, uint96 premium) = _calculatePaymentAmount(
      hotVars,
      executeGas,
      gasOverhead,
      fastGasWei,
      linkNative,
      1, // Consider only 1 upkeep in batch to get maxPayment
      isExecution
    );

    return reimbursement + premium;
  }

  /**
   * @dev returns the max gas overhead that can be charged for an upkeep
   */
  function _getMaxGasOverhead(uint32 performDataLength, uint8 f) internal pure returns (uint256) {
    // performData causes additional overhead in report length and memory operations
    return
      REGISTRY_GAS_OVERHEAD +
      (REGISTRY_PER_SIGNER_GAS_OVERHEAD * (f + 1)) +
      (REGISTRY_PER_PERFORM_BYTE_GAS_OVERHEAD * performDataLength);
  }

  /**
   * @dev move a transmitter's balance from total pool to withdrawable balance
   */
  function _updateTransmitterBalanceFromPool(
    address transmitterAddress,
    uint96 totalPremium,
    uint96 payeeCount
  ) internal returns (uint96) {
    Transmitter memory transmitter = s_transmitters[transmitterAddress];

    uint96 uncollected = totalPremium - transmitter.lastCollected;
    uint96 due = uncollected / payeeCount;
    transmitter.balance += due;
    transmitter.lastCollected = totalPremium;

    // Transfer spare change to owner
    s_storage.ownerLinkBalance += (uncollected - due * payeeCount);
    s_transmitters[transmitterAddress] = transmitter;

    return transmitter.balance;
  }

  /**
   * @notice replicates Open Zeppelin's ReentrancyGuard but optimized to fit our storage
   */
  modifier nonReentrant() {
    if (s_hotVars.reentrancyGuard) revert ReentrantCall();
    s_hotVars.reentrancyGuard = true;
    _;
    s_hotVars.reentrancyGuard = false;
  }
}

File 7 of 24 : KeeperRegistryInterface2_0.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

/**
 * @notice OnchainConfig of the registry
 * @dev only used in params and return values
 * @member paymentPremiumPPB payment premium rate oracles receive on top of
 * being reimbursed for gas, measured in parts per billion
 * @member flatFeeMicroLink flat fee paid to oracles for performing upkeeps,
 * priced in MicroLink; can be used in conjunction with or independently of
 * paymentPremiumPPB
 * @member checkGasLimit gas limit when checking for upkeep
 * @member stalenessSeconds number of seconds that is allowed for feed data to
 * be stale before switching to the fallback pricing
 * @member gasCeilingMultiplier multiplier to apply to the fast gas feed price
 * when calculating the payment ceiling for keepers
 * @member minUpkeepSpend minimum LINK that an upkeep must spend before cancelling
 * @member maxPerformGas max executeGas allowed for an upkeep on this registry
 * @member fallbackGasPrice gas price used if the gas price feed is stale
 * @member fallbackLinkPrice LINK price used if the LINK price feed is stale
 * @member transcoder address of the transcoder contract
 * @member registrar address of the registrar contract
 */
struct OnchainConfig {
  uint32 paymentPremiumPPB;
  uint32 flatFeeMicroLink; // min 0.000001 LINK, max 4294 LINK
  uint32 checkGasLimit;
  uint24 stalenessSeconds;
  uint16 gasCeilingMultiplier;
  uint96 minUpkeepSpend;
  uint32 maxPerformGas;
  uint32 maxCheckDataSize;
  uint32 maxPerformDataSize;
  uint256 fallbackGasPrice;
  uint256 fallbackLinkPrice;
  address transcoder;
  address registrar;
}

/**
 * @notice state of the registry
 * @dev only used in params and return values
 * @member nonce used for ID generation
 * @member ownerLinkBalance withdrawable balance of LINK by contract owner
 * @member expectedLinkBalance the expected balance of LINK of the registry
 * @member totalPremium the total premium collected on registry so far
 * @member numUpkeeps total number of upkeeps on the registry
 * @member configCount ordinal number of current config, out of all configs applied to this contract so far
 * @member latestConfigBlockNumber last block at which this config was set
 * @member latestConfigDigest domain-separation tag for current config
 * @member latestEpoch for which a report was transmitted
 * @member paused freeze on execution scoped to the entire registry
 */
struct State {
  uint32 nonce;
  uint96 ownerLinkBalance;
  uint256 expectedLinkBalance;
  uint96 totalPremium;
  uint256 numUpkeeps;
  uint32 configCount;
  uint32 latestConfigBlockNumber;
  bytes32 latestConfigDigest;
  uint32 latestEpoch;
  bool paused;
}

/**
 * @notice all information about an upkeep
 * @dev only used in return values
 * @member target the contract which needs to be serviced
 * @member executeGas the gas limit of upkeep execution
 * @member checkData the checkData bytes for this upkeep
 * @member balance the balance of this upkeep
 * @member admin for this upkeep
 * @member maxValidBlocknumber until which block this upkeep is valid
 * @member lastPerformBlockNumber the last block number when this upkeep was performed
 * @member amountSpent the amount this upkeep has spent
 * @member paused if this upkeep has been paused
 * @member skipSigVerification skip signature verification in transmit for a low security low cost model
 */
struct UpkeepInfo {
  address target;
  uint32 executeGas;
  bytes checkData;
  uint96 balance;
  address admin;
  uint64 maxValidBlocknumber;
  uint32 lastPerformBlockNumber;
  uint96 amountSpent;
  bool paused;
  bytes offchainConfig;
}

enum UpkeepFailureReason {
  NONE,
  UPKEEP_CANCELLED,
  UPKEEP_PAUSED,
  TARGET_CHECK_REVERTED,
  UPKEEP_NOT_NEEDED,
  PERFORM_DATA_EXCEEDS_LIMIT,
  INSUFFICIENT_BALANCE
}

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

  function cancelUpkeep(uint256 id) external;

  function pauseUpkeep(uint256 id) external;

  function unpauseUpkeep(uint256 id) external;

  function transferUpkeepAdmin(uint256 id, address proposed) external;

  function acceptUpkeepAdmin(uint256 id) external;

  function updateCheckData(uint256 id, bytes calldata newCheckData) external;

  function addFunds(uint256 id, uint96 amount) external;

  function setUpkeepGasLimit(uint256 id, uint32 gasLimit) external;

  function setUpkeepOffchainConfig(uint256 id, bytes calldata config) external;

  function getUpkeep(uint256 id) external view returns (UpkeepInfo memory upkeepInfo);

  function getActiveUpkeepIDs(uint256 startIndex, uint256 maxCount) external view returns (uint256[] memory);

  function getTransmitterInfo(address query)
    external
    view
    returns (
      bool active,
      uint8 index,
      uint96 balance,
      uint96 lastCollected,
      address payee
    );

  function getState()
    external
    view
    returns (
      State memory state,
      OnchainConfig memory config,
      address[] memory signers,
      address[] memory transmitters,
      uint8 f
    );
}

/**
 * @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)
    external
    view
    returns (
      bool upkeepNeeded,
      bytes memory performData,
      UpkeepFailureReason upkeepFailureReason,
      uint256 gasUsed,
      uint256 fastGasWei,
      uint256 linkNative
    );
}

interface KeeperRegistryExecutableInterface is KeeperRegistryBaseInterface {
  function checkUpkeep(uint256 upkeepId)
    external
    returns (
      bool upkeepNeeded,
      bytes memory performData,
      UpkeepFailureReason upkeepFailureReason,
      uint256 gasUsed,
      uint256 fastGasWei,
      uint256 linkNative
    );
}

File 8 of 24 : MigratableKeeperRegistryInterface.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../UpkeepFormat.sol";

interface MigratableKeeperRegistryInterface {
  /**
   * @notice Migrates upkeeps from one registry to another, including LINK and upkeep params.
   * Only callable by the upkeep admin. All upkeeps must have the same admin. Can only migrate active upkeeps.
   * @param upkeepIDs ids of upkeeps to migrate
   * @param destination the address of the registry to migrate to
   */
  function migrateUpkeeps(uint256[] calldata upkeepIDs, address destination) external;

  /**
   * @notice Called by other registries when migrating upkeeps. Only callable by other registries.
   * @param encodedUpkeeps abi encoding of upkeeps to import - decoded by the transcoder
   */
  function receiveUpkeeps(bytes calldata encodedUpkeeps) external;

  /**
   * @notice Specifies the version of upkeep data that this registry requires in order to import
   */
  function upkeepTranscoderVersion() external returns (UpkeepFormat version);
}

File 9 of 24 : ERC677ReceiverInterface.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.6;

interface ERC677ReceiverInterface {
  function onTokenTransfer(
    address sender,
    uint256 amount,
    bytes calldata data
  ) external;
}

File 10 of 24 : OCR2Abstract.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "../../interfaces/TypeAndVersionInterface.sol";

abstract contract OCR2Abstract is TypeAndVersionInterface {
  // Maximum number of oracles the offchain reporting protocol is designed for
  uint256 internal constant maxNumOracles = 31;
  uint256 private constant prefixMask = type(uint256).max << (256 - 16); // 0xFFFF00..00
  uint256 private constant prefix = 0x0001 << (256 - 16); // 0x000100..00

  /**
   * @notice triggers a new run of the offchain reporting protocol
   * @param previousConfigBlockNumber block in which the previous config was set, to simplify historic analysis
   * @param configDigest configDigest of this configuration
   * @param configCount ordinal number of this config setting among all config settings over the life of this contract
   * @param signers ith element is address ith oracle uses to sign a report
   * @param transmitters ith element is address ith oracle uses to transmit a report via the transmit method
   * @param f maximum number of faulty/dishonest oracles the protocol can tolerate while still working correctly
   * @param onchainConfig serialized configuration used by the contract (and possibly oracles)
   * @param offchainConfigVersion version of the serialization format used for "offchainConfig" parameter
   * @param offchainConfig serialized configuration used by the oracles exclusively and only passed through the contract
   */
  event ConfigSet(
    uint32 previousConfigBlockNumber,
    bytes32 configDigest,
    uint64 configCount,
    address[] signers,
    address[] transmitters,
    uint8 f,
    bytes onchainConfig,
    uint64 offchainConfigVersion,
    bytes offchainConfig
  );

  /**
   * @notice sets offchain reporting protocol configuration incl. participating oracles
   * @param signers addresses with which oracles sign the reports
   * @param transmitters addresses oracles use to transmit the reports
   * @param f number of faulty oracles the system can tolerate
   * @param onchainConfig serialized configuration used by the contract (and possibly oracles)
   * @param offchainConfigVersion version number for offchainEncoding schema
   * @param offchainConfig serialized configuration used by the oracles exclusively and only passed through the contract
   */
  function setConfig(
    address[] memory signers,
    address[] memory transmitters,
    uint8 f,
    bytes memory onchainConfig,
    uint64 offchainConfigVersion,
    bytes memory offchainConfig
  ) external virtual;

  /**
   * @notice information about current offchain reporting protocol configuration
   * @return configCount ordinal number of current config, out of all configs applied to this contract so far
   * @return blockNumber block at which this config was set
   * @return configDigest domain-separation tag for current config (see _configDigestFromConfigData)
   */
  function latestConfigDetails()
    external
    view
    virtual
    returns (
      uint32 configCount,
      uint32 blockNumber,
      bytes32 configDigest
    );

  function _configDigestFromConfigData(
    uint256 chainId,
    address contractAddress,
    uint64 configCount,
    address[] memory signers,
    address[] memory transmitters,
    uint8 f,
    bytes memory onchainConfig,
    uint64 offchainConfigVersion,
    bytes memory offchainConfig
  ) internal pure returns (bytes32) {
    uint256 h = uint256(
      keccak256(
        abi.encode(
          chainId,
          contractAddress,
          configCount,
          signers,
          transmitters,
          f,
          onchainConfig,
          offchainConfigVersion,
          offchainConfig
        )
      )
    );
    return bytes32((prefix & prefixMask) | (h & ~prefixMask));
  }

  /**
  * @notice optionally emited to indicate the latest configDigest and epoch for
     which a report was successfully transmited. Alternatively, the contract may
     use latestConfigDigestAndEpoch with scanLogs set to false.
  */
  event Transmitted(bytes32 configDigest, uint32 epoch);

  /**
   * @notice optionally returns the latest configDigest and epoch for which a
     report was successfully transmitted. Alternatively, the contract may return
     scanLogs set to true and use Transmitted events to provide this information
     to offchain watchers.
   * @return scanLogs indicates whether to rely on the configDigest and epoch
     returned or whether to scan logs for the Transmitted event instead.
   * @return configDigest
   * @return epoch
   */
  function latestConfigDigestAndEpoch()
    external
    view
    virtual
    returns (
      bool scanLogs,
      bytes32 configDigest,
      uint32 epoch
    );

  /**
   * @notice transmit is called to post a new report to the contract
   * @param reportContext [0]: ConfigDigest, [1]: 27 byte padding, 4-byte epoch and 1-byte round, [2]: ExtraHash
   * @param report serialized report, which the signatures are signing.
   * @param rs ith element is the R components of the ith signature on report. Must have at most maxNumOracles entries
   * @param ss ith element is the S components of the ith signature on report. Must have at most maxNumOracles entries
   * @param rawVs ith element is the the V component of the ith signature
   */
  function transmit(
    // NOTE: If these parameters are changed, expectedMsgDataLength and/or
    // TRANSMIT_MSGDATA_CONSTANT_LENGTH_COMPONENT need to be changed accordingly
    bytes32[3] calldata reportContext,
    bytes calldata report,
    bytes32[] calldata rs,
    bytes32[] calldata ss,
    bytes32 rawVs // signatures
  ) external virtual;
}

File 11 of 24 : ArbGasInfo.sol
pragma solidity >=0.4.21 <0.9.0;

interface ArbGasInfo {
    // return gas prices in wei, assuming the specified aggregator is used
    //        (
    //            per L2 tx,
    //            per L1 calldata unit, (zero byte = 4 units, nonzero byte = 16 units)
    //            per storage allocation,
    //            per ArbGas base,
    //            per ArbGas congestion,
    //            per ArbGas total
    //        )
    function getPricesInWeiWithAggregator(address aggregator) external view returns (uint, uint, uint, uint, uint, uint);

    // return gas prices in wei, as described above, assuming the caller's preferred aggregator is used
    //     if the caller hasn't specified a preferred aggregator, the default aggregator is assumed
    function getPricesInWei() external view returns (uint, uint, uint, uint, uint, uint);

    // return prices in ArbGas (per L2 tx, per L1 calldata unit, per storage allocation),
    //       assuming the specified aggregator is used
    function getPricesInArbGasWithAggregator(address aggregator) external view returns (uint, uint, uint);

    // return gas prices in ArbGas, as described above, assuming the caller's preferred aggregator is used
    //     if the caller hasn't specified a preferred aggregator, the default aggregator is assumed
    function getPricesInArbGas() external view returns (uint, uint, uint);

    // return gas accounting parameters (speedLimitPerSecond, gasPoolMax, maxTxGasLimit)
    function getGasAccountingParams() external view returns (uint, uint, uint);

    // get ArbOS's estimate of the L1 gas price in wei
    function getL1GasPriceEstimate() external view returns(uint);

    // set ArbOS's estimate of the L1 gas price in wei
    // reverts unless called by chain owner or designated gas oracle (if any)
    function setL1GasPriceEstimate(uint priceInWei) external;

    // get L1 gas fees paid by the current transaction (txBaseFeeWei, calldataFeeWei)
    function getCurrentTxL1GasFees() external view returns(uint);
}

File 12 of 24 : OVM_GasPriceOracle.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.8.6;

/* External Imports */
import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";

/**
 * @title OVM_GasPriceOracle
 * @dev This contract exposes the current l2 gas price, a measure of how congested the network
 * currently is. This measure is used by the Sequencer to determine what fee to charge for
 * transactions. When the system is more congested, the l2 gas price will increase and fees
 * will also increase as a result.
 *
 * All public variables are set while generating the initial L2 state. The
 * constructor doesn't run in practice as the L2 state generation script uses
 * the deployed bytecode instead of running the initcode.
 */
contract OVM_GasPriceOracle is Ownable {
    /*************
     * Variables *
     *************/

    // Current L2 gas price
    uint256 public gasPrice;
    // Current L1 base fee
    uint256 public l1BaseFee;
    // Amortized cost of batch submission per transaction
    uint256 public overhead;
    // Value to scale the fee up by
    uint256 public scalar;
    // Number of decimals of the scalar
    uint256 public decimals;

    /***************
     * Constructor *
     ***************/

    /**
     * @param _owner Address that will initially own this contract.
     */
    constructor(address _owner) Ownable() {
        transferOwnership(_owner);
    }

    /**********
     * Events *
     **********/

    event GasPriceUpdated(uint256);
    event L1BaseFeeUpdated(uint256);
    event OverheadUpdated(uint256);
    event ScalarUpdated(uint256);
    event DecimalsUpdated(uint256);

    /********************
     * Public Functions *
     ********************/

    /**
     * Allows the owner to modify the l2 gas price.
     * @param _gasPrice New l2 gas price.
     */
    // slither-disable-next-line external-function
    function setGasPrice(uint256 _gasPrice) public onlyOwner {
        gasPrice = _gasPrice;
        emit GasPriceUpdated(_gasPrice);
    }

    /**
     * Allows the owner to modify the l1 base fee.
     * @param _baseFee New l1 base fee
     */
    // slither-disable-next-line external-function
    function setL1BaseFee(uint256 _baseFee) public onlyOwner {
        l1BaseFee = _baseFee;
        emit L1BaseFeeUpdated(_baseFee);
    }

    /**
     * Allows the owner to modify the overhead.
     * @param _overhead New overhead
     */
    // slither-disable-next-line external-function
    function setOverhead(uint256 _overhead) public onlyOwner {
        overhead = _overhead;
        emit OverheadUpdated(_overhead);
    }

    /**
     * Allows the owner to modify the scalar.
     * @param _scalar New scalar
     */
    // slither-disable-next-line external-function
    function setScalar(uint256 _scalar) public onlyOwner {
        scalar = _scalar;
        emit ScalarUpdated(_scalar);
    }

    /**
     * Allows the owner to modify the decimals.
     * @param _decimals New decimals
     */
    // slither-disable-next-line external-function
    function setDecimals(uint256 _decimals) public onlyOwner {
        decimals = _decimals;
        emit DecimalsUpdated(_decimals);
    }

    /**
     * Computes the L1 portion of the fee
     * based on the size of the RLP encoded tx
     * and the current l1BaseFee
     * @param _data Unsigned RLP encoded tx, 6 elements
     * @return L1 fee that should be paid for the tx
     */
    // slither-disable-next-line external-function
    function getL1Fee(bytes memory _data) public view returns (uint256) {
        uint256 l1GasUsed = getL1GasUsed(_data);
        uint256 l1Fee = l1GasUsed * l1BaseFee;
        uint256 divisor = 10**decimals;
        uint256 unscaled = l1Fee * scalar;
        uint256 scaled = unscaled / divisor;
        return scaled;
    }

    // solhint-disable max-line-length
    /**
     * Computes the amount of L1 gas used for a transaction
     * The overhead represents the per batch gas overhead of
     * posting both transaction and state roots to L1 given larger
     * batch sizes.
     * 4 gas for 0 byte
     * https://github.com/ethereum/go-ethereum/blob/9ada4a2e2c415e6b0b51c50e901336872e028872/params/protocol_params.go#L33
     * 16 gas for non zero byte
     * https://github.com/ethereum/go-ethereum/blob/9ada4a2e2c415e6b0b51c50e901336872e028872/params/protocol_params.go#L87
     * This will need to be updated if calldata gas prices change
     * Account for the transaction being unsigned
     * Padding is added to account for lack of signature on transaction
     * 1 byte for RLP V prefix
     * 1 byte for V
     * 1 byte for RLP R prefix
     * 32 bytes for R
     * 1 byte for RLP S prefix
     * 32 bytes for S
     * Total: 68 bytes of padding
     * @param _data Unsigned RLP encoded tx, 6 elements
     * @return Amount of L1 gas used for a transaction
     */
    // solhint-enable max-line-length
    function getL1GasUsed(bytes memory _data) public view returns (uint256) {
        uint256 total = 0;
        for (uint256 i = 0; i < _data.length; i++) {
            if (_data[i] == 0) {
                total += 4;
            } else {
                total += 16;
            }
        }
        uint256 unsigned = total + overhead;
        return unsigned + (68 * 16);
    }
}

File 13 of 24 : ExecutionPrevention.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

abstract contract ExecutionPrevention {
  error OnlySimulatedBackend();

  /**
   * @notice method that allows it to be simulated via eth_call by checking that
   * the sender is the zero address.
   */
  function preventExecution() internal view {
    if (tx.origin != address(0)) {
      revert OnlySimulatedBackend();
    }
  }

  /**
   * @notice modifier that allows it to be simulated via eth_call by checking
   * that the sender is the zero address.
   */
  modifier cannotExecute() {
    preventExecution();
    _;
  }
}

File 14 of 24 : ConfirmedOwner.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "./ConfirmedOwnerWithProposal.sol";

/**
 * @title The ConfirmedOwner contract
 * @notice A contract with helpers for basic contract ownership.
 */
contract ConfirmedOwner is ConfirmedOwnerWithProposal {
  constructor(address newOwner) ConfirmedOwnerWithProposal(newOwner, address(0)) {}
}

File 15 of 24 : AggregatorV3Interface.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface AggregatorV3Interface {
  function decimals() external view returns (uint8);

  function description() external view returns (string memory);

  function version() external view returns (uint256);

  function getRoundData(uint80 _roundId)
    external
    view
    returns (
      uint80 roundId,
      int256 answer,
      uint256 startedAt,
      uint256 updatedAt,
      uint80 answeredInRound
    );

  function latestRoundData()
    external
    view
    returns (
      uint80 roundId,
      int256 answer,
      uint256 startedAt,
      uint256 updatedAt,
      uint80 answeredInRound
    );
}

File 16 of 24 : LinkTokenInterface.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface LinkTokenInterface {
  function allowance(address owner, address spender) external view returns (uint256 remaining);

  function approve(address spender, uint256 value) external returns (bool success);

  function balanceOf(address owner) external view returns (uint256 balance);

  function decimals() external view returns (uint8 decimalPlaces);

  function decreaseApproval(address spender, uint256 addedValue) external returns (bool success);

  function increaseApproval(address spender, uint256 subtractedValue) external;

  function name() external view returns (string memory tokenName);

  function symbol() external view returns (string memory tokenSymbol);

  function totalSupply() external view returns (uint256 totalTokensIssued);

  function transfer(address to, uint256 value) external returns (bool success);

  function transferAndCall(
    address to,
    uint256 value,
    bytes calldata data
  ) external returns (bool success);

  function transferFrom(
    address from,
    address to,
    uint256 value
  ) external returns (bool success);
}

File 17 of 24 : KeeperCompatibleInterface.sol
// SPDX-License-Identifier: MIT
/**
 * @notice This is a deprecated interface. Please use AutomationCompatibleInterface directly.
 */
pragma solidity ^0.8.0;
import {AutomationCompatibleInterface as KeeperCompatibleInterface} from "./AutomationCompatibleInterface.sol";

File 18 of 24 : UpkeepTranscoderInterface.sol
// SPDX-License-Identifier: MIT

import "../UpkeepFormat.sol";

pragma solidity ^0.8.0;

interface UpkeepTranscoderInterface {
  function transcodeUpkeeps(
    UpkeepFormat fromVersion,
    UpkeepFormat toVersion,
    bytes calldata encodedUpkeeps
  ) external view returns (bytes memory);
}

File 19 of 24 : Ownable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/Ownable.sol)

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _transferOwnership(_msgSender());
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

File 20 of 24 : Context.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

pragma solidity ^0.8.0;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

File 21 of 24 : ConfirmedOwnerWithProposal.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "./interfaces/OwnableInterface.sol";

/**
 * @title The ConfirmedOwner contract
 * @notice A contract with helpers for basic contract ownership.
 */
contract ConfirmedOwnerWithProposal is OwnableInterface {
  address private s_owner;
  address private s_pendingOwner;

  event OwnershipTransferRequested(address indexed from, address indexed to);
  event OwnershipTransferred(address indexed from, address indexed to);

  constructor(address newOwner, address pendingOwner) {
    require(newOwner != address(0), "Cannot set owner to zero");

    s_owner = newOwner;
    if (pendingOwner != address(0)) {
      _transferOwnership(pendingOwner);
    }
  }

  /**
   * @notice Allows an owner to begin transferring ownership to a new address,
   * pending.
   */
  function transferOwnership(address to) public override onlyOwner {
    _transferOwnership(to);
  }

  /**
   * @notice Allows an ownership transfer to be completed by the recipient.
   */
  function acceptOwnership() external override {
    require(msg.sender == s_pendingOwner, "Must be proposed owner");

    address oldOwner = s_owner;
    s_owner = msg.sender;
    s_pendingOwner = address(0);

    emit OwnershipTransferred(oldOwner, msg.sender);
  }

  /**
   * @notice Get the current owner
   */
  function owner() public view override returns (address) {
    return s_owner;
  }

  /**
   * @notice validate, transfer ownership, and emit relevant events
   */
  function _transferOwnership(address to) private {
    require(to != msg.sender, "Cannot transfer to self");

    s_pendingOwner = to;

    emit OwnershipTransferRequested(s_owner, to);
  }

  /**
   * @notice validate access
   */
  function _validateOwnership() internal view {
    require(msg.sender == s_owner, "Only callable by owner");
  }

  /**
   * @notice Reverts if called by anyone other than the contract owner.
   */
  modifier onlyOwner() {
    _validateOwnership();
    _;
  }
}

File 22 of 24 : OwnableInterface.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface OwnableInterface {
  function owner() external returns (address);

  function transferOwnership(address recipient) external;

  function acceptOwnership() external;
}

File 23 of 24 : AutomationCompatibleInterface.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface AutomationCompatibleInterface {
  /**
   * @notice method that is simulated by the keepers to see if any work actually
   * needs to be performed. This method does does not actually need to be
   * executable, and since it is only ever simulated it can consume lots of gas.
   * @dev To ensure that it is never called, you may want to add the
   * cannotExecute modifier from KeeperBase to your implementation of this
   * method.
   * @param checkData specified in the upkeep registration so it is always the
   * same for a registered upkeep. This can easily be broken down into specific
   * arguments using `abi.decode`, so multiple upkeeps can be registered on the
   * same contract and easily differentiated by the contract.
   * @return upkeepNeeded boolean to indicate whether the keeper should call
   * performUpkeep or not.
   * @return performData bytes that the keeper should call performUpkeep with, if
   * upkeep is needed. If you would like to encode data to decode later, try
   * `abi.encode`.
   */
  function checkUpkeep(bytes calldata checkData) external returns (bool upkeepNeeded, bytes memory performData);

  /**
   * @notice method that is actually executed by the keepers, via the registry.
   * The data returned by the checkUpkeep simulation will be passed into
   * this method to actually be executed.
   * @dev The input to this method should not be trusted, and the caller of the
   * method should not even be restricted to any single registry. Anyone should
   * be able call it, and the input should be validated, there is no guarantee
   * that the data passed in is the performData returned from checkUpkeep. This
   * could happen due to malicious keepers, racing keepers, or simply a state
   * change while the performUpkeep transaction is waiting for confirmation.
   * Always validate the data passed in.
   * @param performData is the data which was passed back from the checkData
   * simulation. If it is encoded, it can easily be decoded into other types by
   * calling `abi.decode`. This data should not be trusted, and should be
   * validated against the contract's current state.
   */
  function performUpkeep(bytes calldata performData) external;
}

File 24 of 24 : UpkeepFormat.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

enum UpkeepFormat {
  V1,
  V2,
  V3
}

File 25 of 24 : TypeAndVersionInterface.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

abstract contract TypeAndVersionInterface {
  function typeAndVersion() external pure virtual returns (string memory);
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 1000000
  },
  "metadata": {
    "bytecodeHash": "none",
    "useLiteralContent": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

Contract ABI

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KeeperRegistryBase2_0","name":"keeperRegistryLogic","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ArrayHasNoEntries","type":"error"},{"inputs":[],"name":"CannotCancel","type":"error"},{"inputs":[],"name":"CheckDataExceedsLimit","type":"error"},{"inputs":[],"name":"ConfigDigestMismatch","type":"error"},{"inputs":[],"name":"DuplicateEntry","type":"error"},{"inputs":[],"name":"DuplicateSigners","type":"error"},{"inputs":[],"name":"GasLimitCanOnlyIncrease","type":"error"},{"inputs":[],"name":"GasLimitOutsideRange","type":"error"},{"inputs":[],"name":"IncorrectNumberOfFaultyOracles","type":"error"},{"inputs":[],"name":"IncorrectNumberOfSignatures","type":"error"},{"inputs":[],"name":"IncorrectNumberOfSigners","type":"error"},{"inputs":[],"name":"IndexOutOfRange","type":"error"},{"inputs":[],"name":"InsufficientFunds","type":"error"},{"inputs":[],"name":"InvalidDataLength","type":"error"},{"inputs":[],"name":"InvalidPayee","type":"error"},{"inputs":[],"name":"InvalidRecipient","type":"error"},{"inputs":[],"name":"InvalidReport","type":"error"},{"inputs":[],"name":"MaxCheckDataSizeCanOnlyIncrease","type":"error"},{"inputs":[],"name":"MaxPerformDataSizeCanOnlyIncrease","type":"error"},{"inputs":[],"name":"MigrationNotPermitted","type":"error"},{"inputs":[],"name":"NotAContract","type":"error"},{"inputs":[],"name":"OnchainConfigNonEmpty","type":"error"},{"inputs":[],"name":"OnlyActiveSigners","type":"error"},{"inputs":[],"name":"OnlyActiveTransmitters","type":"error"},{"inputs":[],"name":"OnlyCallableByAdmin","type":"error"},{"inputs":[],"name":"OnlyCallableByLINKToken","type":"error"},{"inputs":[],"name":"OnlyCallableByOwnerOrAdmin","type":"error"},{"inputs":[],"name":"OnlyCallableByOwnerOrRegistrar","type":"error"},{"inputs":[],"name":"OnlyCallableByPayee","type":"error"},{"inputs":[],"name":"OnlyCallableByProposedAdmin","type":"error"},{"inputs":[],"name":"OnlyCallableByProposedPayee","type":"error"},{"inputs":[],"name":"OnlyPausedUpkeep","type":"error"},{"inputs":[],"name":"OnlySimulatedBackend","type":"error"},{"inputs":[],"name":"OnlyUnpausedUpkeep","type":"error"},{"inputs":[],"name":"ParameterLengthError","type":"error"},{"inputs":[],"name":"PaymentGreaterThanAllLINK","type":"error"},{"inputs":[],"name":"ReentrantCall","type":"error"},{"inputs":[],"name":"RegistryPaused","type":"error"},{"inputs":[],"name":"RepeatedSigner","type":"error"},{"inputs":[],"name":"RepeatedTransmitter","type":"error"},{"inputs":[],"name":"StaleReport","type":"error"},{"inputs":[{"internalType":"bytes","name":"reason","type":"bytes"}],"name":"TargetCheckReverted","type":"error"},{"inputs":[],"name":"TooManyOracles","type":"error"},{"inputs":[],"name":"TranscoderNotSet","type":"error"},{"inputs":[],"name":"UpkeepAlreadyExists","type":"error"},{"inputs":[],"name":"UpkeepCancelled","type":"error"},{"inputs":[],"name":"UpkeepNotCanceled","type":"error"},{"inputs":[],"name":"UpkeepNotNeeded","type":"error"},{"inputs":[],"name":"ValueNotChanged","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"}],"name":"CancelledUpkeepReport","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint32","name":"previousConfigBlockNumber","type":"uint32"},{"indexed":false,"internalType":"bytes32","name":"configDigest","type":"bytes32"},{"indexed":false,"internalType":"uint64","name":"configCount","type":"uint64"},{"indexed":false,"internalType":"address[]","name":"signers","type":"address[]"},{"indexed":false,"internalType":"address[]","name":"transmitters","type":"address[]"},{"indexed":false,"internalType":"uint8","name":"f","type":"uint8"},{"indexed":false,"internalType":"bytes","name":"onchainConfig","type":"bytes"},{"indexed":false,"internalType":"uint64","name":"offchainConfigVersion","type":"uint64"},{"indexed":false,"internalType":"bytes","name":"offchainConfig","type":"bytes"}],"name":"ConfigSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":false,"internalType":"uint96","name":"amount","type":"uint96"}],"name":"FundsAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"address","name":"to","type":"address"}],"name":"FundsWithdrawn","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"}],"name":"InsufficientFundsUpkeepReport","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint96","name":"amount","type":"uint96"}],"name":"OwnerFundsWithdrawn","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"OwnershipTransferRequested","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Paused","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address[]","name":"transmitters","type":"address[]"},{"indexed":false,"internalType":"address[]","name":"payees","type":"address[]"}],"name":"PayeesUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"transmitter","type":"address"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"PayeeshipTransferRequested","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"transmitter","type":"address"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"PayeeshipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"transmitter","type":"address"},{"indexed":true,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"address","name":"payee","type":"address"}],"name":"PaymentWithdrawn","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"}],"name":"ReorgedUpkeepReport","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"}],"name":"StaleUpkeepReport","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"bytes32","name":"configDigest","type":"bytes32"},{"indexed":false,"internalType":"uint32","name":"epoch","type":"uint32"}],"name":"Transmitted","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Unpaused","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"UpkeepAdminTransferRequested","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"UpkeepAdminTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":true,"internalType":"uint64","name":"atBlockHeight","type":"uint64"}],"name":"UpkeepCanceled","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":false,"internalType":"bytes","name":"newCheckData","type":"bytes"}],"name":"UpkeepCheckDataUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":false,"internalType":"uint96","name":"gasLimit","type":"uint96"}],"name":"UpkeepGasLimitSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"remainingBalance","type":"uint256"},{"indexed":false,"internalType":"address","name":"destination","type":"address"}],"name":"UpkeepMigrated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":false,"internalType":"bytes","name":"offchainConfig","type":"bytes"}],"name":"UpkeepOffchainConfigSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"}],"name":"UpkeepPaused","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":true,"internalType":"bool","name":"success","type":"bool"},{"indexed":false,"internalType":"uint32","name":"checkBlockNumber","type":"uint32"},{"indexed":false,"internalType":"uint256","name":"gasUsed","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"gasOverhead","type":"uint256"},{"indexed":false,"internalType":"uint96","name":"totalPayment","type":"uint96"}],"name":"UpkeepPerformed","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"startingBalance","type":"uint256"},{"indexed":false,"internalType":"address","name":"importedFrom","type":"address"}],"name":"UpkeepReceived","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":false,"internalType":"uint32","name":"executeGas","type":"uint32"},{"indexed":false,"internalType":"address","name":"admin","type":"address"}],"name":"UpkeepRegistered","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"}],"name":"UpkeepUnpaused","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"acceptOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"transmitter","type":"address"}],"name":"acceptPayeeship","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"}],"name":"acceptUpkeepAdmin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"uint96","name":"amount","type":"uint96"}],"name":"addFunds","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"}],"name":"cancelUpkeep","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"}],"name":"checkUpkeep","outputs":[{"internalType":"bool","name":"upkeepNeeded","type":"bool"},{"internalType":"bytes","name":"performData","type":"bytes"},{"internalType":"enum UpkeepFailureReason","name":"upkeepFailureReason","type":"uint8"},{"internalType":"uint256","name":"gasUsed","type":"uint256"},{"internalType":"uint256","name":"fastGasWei","type":"uint256"},{"internalType":"uint256","name":"linkNative","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"startIndex","type":"uint256"},{"internalType":"uint256","name":"maxCount","type":"uint256"}],"name":"getActiveUpkeepIDs","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getFastGasFeedAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getKeeperRegistryLogicAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getLinkAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getLinkNativeFeedAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint32","name":"gasLimit","type":"uint32"}],"name":"getMaxPaymentForGas","outputs":[{"internalType":"uint96","name":"maxPayment","type":"uint96"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"}],"name":"getMinBalanceForUpkeep","outputs":[{"internalType":"uint96","name":"minBalance","type":"uint96"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getPaymentModel","outputs":[{"internalType":"enum KeeperRegistryBase2_0.PaymentModel","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"peer","type":"address"}],"name":"getPeerRegistryMigrationPermission","outputs":[{"internalType":"enum KeeperRegistryBase2_0.MigrationPermission","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"query","type":"address"}],"name":"getSignerInfo","outputs":[{"internalType":"bool","name":"active","type":"bool"},{"internalType":"uint8","name":"index","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getState","outputs":[{"components":[{"internalType":"uint32","name":"nonce","type":"uint32"},{"internalType":"uint96","name":"ownerLinkBalance","type":"uint96"},{"internalType":"uint256","name":"expectedLinkBalance","type":"uint256"},{"internalType":"uint96","name":"totalPremium","type":"uint96"},{"internalType":"uint256","name":"numUpkeeps","type":"uint256"},{"internalType":"uint32","name":"configCount","type":"uint32"},{"internalType":"uint32","name":"latestConfigBlockNumber","type":"uint32"},{"internalType":"bytes32","name":"latestConfigDigest","type":"bytes32"},{"internalType":"uint32","name":"latestEpoch","type":"uint32"},{"internalType":"bool","name":"paused","type":"bool"}],"internalType":"struct State","name":"state","type":"tuple"},{"components":[{"internalType":"uint32","name":"paymentPremiumPPB","type":"uint32"},{"internalType":"uint32","name":"flatFeeMicroLink","type":"uint32"},{"internalType":"uint32","name":"checkGasLimit","type":"uint32"},{"internalType":"uint24","name":"stalenessSeconds","type":"uint24"},{"internalType":"uint16","name":"gasCeilingMultiplier","type":"uint16"},{"internalType":"uint96","name":"minUpkeepSpend","type":"uint96"},{"internalType":"uint32","name":"maxPerformGas","type":"uint32"},{"internalType":"uint32","name":"maxCheckDataSize","type":"uint32"},{"internalType":"uint32","name":"maxPerformDataSize","type":"uint32"},{"internalType":"uint256","name":"fallbackGasPrice","type":"uint256"},{"internalType":"uint256","name":"fallbackLinkPrice","type":"uint256"},{"internalType":"address","name":"transcoder","type":"address"},{"internalType":"address","name":"registrar","type":"address"}],"internalType":"struct OnchainConfig","name":"config","type":"tuple"},{"internalType":"address[]","name":"signers","type":"address[]"},{"internalType":"address[]","name":"transmitters","type":"address[]"},{"internalType":"uint8","name":"f","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"query","type":"address"}],"name":"getTransmitterInfo","outputs":[{"internalType":"bool","name":"active","type":"bool"},{"internalType":"uint8","name":"index","type":"uint8"},{"internalType":"uint96","name":"balance","type":"uint96"},{"internalType":"uint96","name":"lastCollected","type":"uint96"},{"internalType":"address","name":"payee","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"}],"name":"getUpkeep","outputs":[{"components":[{"internalType":"address","name":"target","type":"address"},{"internalType":"uint32","name":"executeGas","type":"uint32"},{"internalType":"bytes","name":"checkData","type":"bytes"},{"internalType":"uint96","name":"balance","type":"uint96"},{"internalType":"address","name":"admin","type":"address"},{"internalType":"uint64","name":"maxValidBlocknumber","type":"uint64"},{"internalType":"uint32","name":"lastPerformBlockNumber","type":"uint32"},{"internalType":"uint96","name":"amountSpent","type":"uint96"},{"internalType":"bool","name":"paused","type":"bool"},{"internalType":"bytes","name":"offchainConfig","type":"bytes"}],"internalType":"struct UpkeepInfo","name":"upkeepInfo","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"latestConfigDetails","outputs":[{"internalType":"uint32","name":"configCount","type":"uint32"},{"internalType":"uint32","name":"blockNumber","type":"uint32"},{"internalType":"bytes32","name":"configDigest","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"latestConfigDigestAndEpoch","outputs":[{"internalType":"bool","name":"scanLogs","type":"bool"},{"internalType":"bytes32","name":"configDigest","type":"bytes32"},{"internalType":"uint32","name":"epoch","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"ids","type":"uint256[]"},{"internalType":"address","name":"destination","type":"address"}],"name":"migrateUpkeeps","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"onTokenTransfer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"}],"name":"pauseUpkeep","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes","name":"encodedUpkeeps","type":"bytes"}],"name":"receiveUpkeeps","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"recoverFunds","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"target","type":"address"},{"internalType":"uint32","name":"gasLimit","type":"uint32"},{"internalType":"address","name":"admin","type":"address"},{"internalType":"bytes","name":"checkData","type":"bytes"},{"internalType":"bytes","name":"offchainConfig","type":"bytes"}],"name":"registerUpkeep","outputs":[{"internalType":"uint256","name":"id","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"signers","type":"address[]"},{"internalType":"address[]","name":"transmitters","type":"address[]"},{"internalType":"uint8","name":"f","type":"uint8"},{"internalType":"bytes","name":"onchainConfig","type":"bytes"},{"internalType":"uint64","name":"offchainConfigVersion","type":"uint64"},{"internalType":"bytes","name":"offchainConfig","type":"bytes"}],"name":"setConfig","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"payees","type":"address[]"}],"name":"setPayees","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"peer","type":"address"},{"internalType":"enum KeeperRegistryBase2_0.MigrationPermission","name":"permission","type":"uint8"}],"name":"setPeerRegistryMigrationPermission","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"uint32","name":"gasLimit","type":"uint32"}],"name":"setUpkeepGasLimit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"bytes","name":"config","type":"bytes"}],"name":"setUpkeepOffchainConfig","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"bytes","name":"performData","type":"bytes"}],"name":"simulatePerformUpkeep","outputs":[{"internalType":"bool","name":"success","type":"bool"},{"internalType":"uint256","name":"gasUsed","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"transmitter","type":"address"},{"internalType":"address","name":"proposed","type":"address"}],"name":"transferPayeeship","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"address","name":"proposed","type":"address"}],"name":"transferUpkeepAdmin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32[3]","name":"reportContext","type":"bytes32[3]"},{"internalType":"bytes","name":"rawReport","type":"bytes"},{"internalType":"bytes32[]","name":"rs","type":"bytes32[]"},{"internalType":"bytes32[]","name":"ss","type":"bytes32[]"},{"internalType":"bytes32","name":"rawVs","type":"bytes32"}],"name":"transmit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"typeAndVersion","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"unpause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"}],"name":"unpauseUpkeep","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"bytes","name":"newCheckData","type":"bytes"}],"name":"updateCheckData","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"upkeepTranscoderVersion","outputs":[{"internalType":"enum UpkeepFormat","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"address","name":"to","type":"address"}],"name":"withdrawFunds","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdrawOwnerFunds","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"}],"name":"withdrawPayment","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]

Deployed Bytecode

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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.