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// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.19;

import {EnumerableSet} from "../../vendor/openzeppelin-solidity/v4.7.3/contracts/utils/structs/EnumerableSet.sol";
import {Address} from "../../vendor/openzeppelin-solidity/v4.7.3/contracts/utils/Address.sol";
import {AutomationRegistryBase2_3} from "./AutomationRegistryBase2_3.sol";
import {AutomationRegistryLogicA2_3} from "./AutomationRegistryLogicA2_3.sol";
import {AutomationRegistryLogicC2_3} from "./AutomationRegistryLogicC2_3.sol";
import {Chainable} from "../Chainable.sol";
import {OCR2Abstract} from "../../shared/ocr2/OCR2Abstract.sol";
import {IERC20Metadata as IERC20} from "../../vendor/openzeppelin-solidity/v4.8.3/contracts/token/ERC20/extensions/IERC20Metadata.sol";

/**
 * @notice Registry for adding work for Chainlink nodes to perform on client
 * contracts. Clients must support the AutomationCompatibleInterface interface.
 */
contract AutomationRegistry2_3 is AutomationRegistryBase2_3, OCR2Abstract, Chainable {
  using Address for address;
  using EnumerableSet for EnumerableSet.UintSet;
  using EnumerableSet for EnumerableSet.AddressSet;

  /**
   * @notice versions:
   * AutomationRegistry 2.3.0: supports native and ERC20 billing
   *                           changes flat fee to USD-denominated
   *                           adds support for custom billing overrides
   * AutomationRegistry 2.2.0: moves chain-specific integration code into a separate module
   * KeeperRegistry 2.1.0:     introduces support for log triggers
   *                           removes the need for "wrapped perform data"
   * KeeperRegistry 2.0.2:     pass revert bytes as performData when target contract reverts
   *                           fixes issue with arbitrum block number
   *                           does an early return in case of stale report instead of revert
   * KeeperRegistry 2.0.1:     implements workaround for buggy migrate function in 1.X
   * 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 = "AutomationRegistry 2.3.0";

  /**
   * @param logicA the address of the first logic contract
   * @dev we cast the contract to logicC in order to call logicC functions (via fallback)
   */
  constructor(
    AutomationRegistryLogicA2_3 logicA
  )
    AutomationRegistryBase2_3(
      AutomationRegistryLogicC2_3(address(logicA)).getLinkAddress(),
      AutomationRegistryLogicC2_3(address(logicA)).getLinkUSDFeedAddress(),
      AutomationRegistryLogicC2_3(address(logicA)).getNativeUSDFeedAddress(),
      AutomationRegistryLogicC2_3(address(logicA)).getFastGasFeedAddress(),
      AutomationRegistryLogicC2_3(address(logicA)).getAutomationForwarderLogic(),
      AutomationRegistryLogicC2_3(address(logicA)).getAllowedReadOnlyAddress(),
      AutomationRegistryLogicC2_3(address(logicA)).getPayoutMode(),
      AutomationRegistryLogicC2_3(address(logicA)).getWrappedNativeTokenAddress()
    )
    Chainable(address(logicA))
  {}

  /**
   * @notice holds the variables used in the transmit function, necessary to avoid stack too deep errors
   */
  struct TransmitVars {
    uint16 numUpkeepsPassedChecks;
    uint96 totalReimbursement;
    uint96 totalPremium;
    uint256 totalCalldataWeight;
  }

  // ================================================================
  // |                       HOT PATH ACTIONS                       |
  // ================================================================

  /**
   * @inheritdoc OCR2Abstract
   */
  function transmit(
    bytes32[3] calldata reportContext,
    bytes calldata rawReport,
    bytes32[] calldata rs,
    bytes32[] calldata ss,
    bytes32 rawVs
  ) external override {
    uint256 gasOverhead = gasleft();
    // use this msg.data length check to ensure no extra data is included in the call
    // 4 is first 4 bytes of the keccak-256 hash of the function signature. ss.length == rs.length so use one of them
    // 4 + (32 * 3) + (rawReport.length + 32 + 32) + (32 * rs.length + 32 + 32) + (32 * ss.length + 32 + 32) + 32
    uint256 requiredLength = 324 + rawReport.length + 64 * rs.length;
    if (msg.data.length != requiredLength) revert InvalidDataLength();
    HotVars memory hotVars = s_hotVars;

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

    // 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);

    Report memory report = _decodeReport(rawReport);

    uint40 epochAndRound = uint40(uint256(reportContext[1]));
    uint32 epoch = uint32(epochAndRound >> 8);

    _handleReport(hotVars, report, gasOverhead);

    if (epoch > hotVars.latestEpoch) {
      s_hotVars.latestEpoch = epoch;
    }
  }

  /**
   * @notice handles the report by performing the upkeeps and updating the state
   * @param hotVars the hot variables of the registry
   * @param report the report to be handled (already verified and decoded)
   * @param gasOverhead the running tally of gas overhead to be split across the upkeeps
   * @dev had to split this function from transmit() to avoid stack too deep errors
   * @dev all other internal / private functions are generally defined in the Base contract
   * we leave this here because it is essentially a continuation of the transmit() function,
   */
  function _handleReport(HotVars memory hotVars, Report memory report, uint256 gasOverhead) private {
    UpkeepTransmitInfo[] memory upkeepTransmitInfo = new UpkeepTransmitInfo[](report.upkeepIds.length);
    TransmitVars memory transmitVars = TransmitVars({
      numUpkeepsPassedChecks: 0,
      totalCalldataWeight: 0,
      totalReimbursement: 0,
      totalPremium: 0
    });

    uint256 blocknumber = hotVars.chainModule.blockNumber();
    uint256 l1Fee = hotVars.chainModule.getCurrentL1Fee(msg.data.length);

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

      (upkeepTransmitInfo[i].earlyChecksPassed, upkeepTransmitInfo[i].dedupID) = _prePerformChecks(
        report.upkeepIds[i],
        blocknumber,
        report.triggers[i],
        upkeepTransmitInfo[i],
        hotVars
      );

      if (upkeepTransmitInfo[i].earlyChecksPassed) {
        transmitVars.numUpkeepsPassedChecks += 1;
      } else {
        continue;
      }

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

      // To split L1 fee across the upkeeps, assign a weight to this upkeep based on the length
      // of the perform data and calldata overhead
      upkeepTransmitInfo[i].calldataWeight =
        report.performDatas[i].length +
        TRANSMIT_CALLDATA_FIXED_BYTES_OVERHEAD +
        (TRANSMIT_CALLDATA_PER_SIGNER_BYTES_OVERHEAD * (hotVars.f + 1));
      transmitVars.totalCalldataWeight += upkeepTransmitInfo[i].calldataWeight;

      // Deduct the gasUsed by upkeep from the overhead tally - upkeeps pay for their own gas individually
      gasOverhead -= upkeepTransmitInfo[i].gasUsed;

      // Store last perform block number / deduping key for upkeep
      _updateTriggerMarker(report.upkeepIds[i], blocknumber, upkeepTransmitInfo[i]);
    }
    // No upkeeps to be performed in this report
    if (transmitVars.numUpkeepsPassedChecks == 0) {
      return;
    }

    // This is the overall gas overhead that will be split across performed upkeeps
    // Take upper bound of 16 gas per callData bytes
    gasOverhead = (gasOverhead - gasleft()) + (16 * msg.data.length) + ACCOUNTING_FIXED_GAS_OVERHEAD;
    gasOverhead = gasOverhead / transmitVars.numUpkeepsPassedChecks + ACCOUNTING_PER_UPKEEP_GAS_OVERHEAD;

    {
      BillingTokenPaymentParams memory billingTokenParams;
      uint256 nativeUSD = _getNativeUSD(hotVars);
      for (uint256 i = 0; i < report.upkeepIds.length; i++) {
        if (upkeepTransmitInfo[i].earlyChecksPassed) {
          if (i == 0 || upkeepTransmitInfo[i].upkeep.billingToken != upkeepTransmitInfo[i - 1].upkeep.billingToken) {
            billingTokenParams = _getBillingTokenPaymentParams(hotVars, upkeepTransmitInfo[i].upkeep.billingToken);
          }
          PaymentReceipt memory receipt = _handlePayment(
            hotVars,
            PaymentParams({
              gasLimit: upkeepTransmitInfo[i].gasUsed,
              gasOverhead: gasOverhead,
              l1CostWei: (l1Fee * upkeepTransmitInfo[i].calldataWeight) / transmitVars.totalCalldataWeight,
              fastGasWei: report.fastGasWei,
              linkUSD: report.linkUSD,
              nativeUSD: nativeUSD,
              billingToken: upkeepTransmitInfo[i].upkeep.billingToken,
              billingTokenParams: billingTokenParams,
              isTransaction: true
            }),
            report.upkeepIds[i],
            upkeepTransmitInfo[i].upkeep
          );
          transmitVars.totalPremium += receipt.premiumInJuels;
          transmitVars.totalReimbursement += receipt.gasReimbursementInJuels;

          emit UpkeepPerformed(
            report.upkeepIds[i],
            upkeepTransmitInfo[i].performSuccess,
            receipt.gasChargeInBillingToken + receipt.premiumInBillingToken,
            upkeepTransmitInfo[i].gasUsed,
            gasOverhead,
            report.triggers[i]
          );
        }
      }
    }
    // record payments to NOPs, all in LINK
    s_transmitters[msg.sender].balance += transmitVars.totalReimbursement;
    s_hotVars.totalPremium += transmitVars.totalPremium;
    s_reserveAmounts[IERC20(address(i_link))] += transmitVars.totalReimbursement + transmitVars.totalPremium;
  }

  // ================================================================
  // |                         OCR2ABSTRACT                         |
  // ================================================================

  /**
   * @inheritdoc OCR2Abstract
   * @dev prefer the type-safe version of setConfig (below) whenever possible. The OnchainConfig could differ between registry versions
   * @dev this function takes up precious space on the root contract, but must be implemented to conform to the OCR2Abstract interface
   */
  function setConfig(
    address[] memory signers,
    address[] memory transmitters,
    uint8 f,
    bytes memory onchainConfigBytes,
    uint64 offchainConfigVersion,
    bytes memory offchainConfig
  ) external override {
    (OnchainConfig memory config, IERC20[] memory billingTokens, BillingConfig[] memory billingConfigs) = abi.decode(
      onchainConfigBytes,
      (OnchainConfig, IERC20[], BillingConfig[])
    );

    setConfigTypeSafe(
      signers,
      transmitters,
      f,
      config,
      offchainConfigVersion,
      offchainConfig,
      billingTokens,
      billingConfigs
    );
  }

  /**
   * @notice sets the configuration for the registry
   * @param signers the list of permitted signers
   * @param transmitters the list of permitted transmitters
   * @param f the maximum tolerance for faulty nodes
   * @param onchainConfig configuration values that are used on-chain
   * @param offchainConfigVersion the version of the offchainConfig
   * @param offchainConfig configuration values that are used off-chain
   * @param billingTokens the list of valid billing tokens
   * @param billingConfigs the configurations for each billing token
   */
  function setConfigTypeSafe(
    address[] memory signers,
    address[] memory transmitters,
    uint8 f,
    OnchainConfig memory onchainConfig,
    uint64 offchainConfigVersion,
    bytes memory offchainConfig,
    IERC20[] memory billingTokens,
    BillingConfig[] memory billingConfigs
  ) public onlyOwner {
    if (signers.length > MAX_NUM_ORACLES) revert TooManyOracles();
    if (f == 0) revert IncorrectNumberOfFaultyOracles();
    if (signers.length != transmitters.length || signers.length <= 3 * f) revert IncorrectNumberOfSigners();
    if (billingTokens.length != billingConfigs.length) revert ParameterLengthError();
    // set billing config for tokens
    _setBillingConfig(billingTokens, billingConfigs);

    _updateTransmitters(signers, transmitters);

    s_hotVars = HotVars({
      f: f,
      stalenessSeconds: onchainConfig.stalenessSeconds,
      gasCeilingMultiplier: onchainConfig.gasCeilingMultiplier,
      paused: s_hotVars.paused,
      reentrancyGuard: s_hotVars.reentrancyGuard,
      totalPremium: s_hotVars.totalPremium,
      latestEpoch: 0, // DON restarts epoch
      reorgProtectionEnabled: onchainConfig.reorgProtectionEnabled,
      chainModule: onchainConfig.chainModule
    });

    uint32 previousConfigBlockNumber = s_storage.latestConfigBlockNumber;
    uint32 newLatestConfigBlockNumber = uint32(onchainConfig.chainModule.blockNumber());
    uint32 newConfigCount = s_storage.configCount + 1;

    s_storage = Storage({
      checkGasLimit: onchainConfig.checkGasLimit,
      maxPerformGas: onchainConfig.maxPerformGas,
      transcoder: onchainConfig.transcoder,
      maxCheckDataSize: onchainConfig.maxCheckDataSize,
      maxPerformDataSize: onchainConfig.maxPerformDataSize,
      maxRevertDataSize: onchainConfig.maxRevertDataSize,
      upkeepPrivilegeManager: onchainConfig.upkeepPrivilegeManager,
      financeAdmin: onchainConfig.financeAdmin,
      nonce: s_storage.nonce,
      configCount: newConfigCount,
      latestConfigBlockNumber: newLatestConfigBlockNumber
    });
    s_fallbackGasPrice = onchainConfig.fallbackGasPrice;
    s_fallbackLinkPrice = onchainConfig.fallbackLinkPrice;
    s_fallbackNativePrice = onchainConfig.fallbackNativePrice;

    bytes memory onchainConfigBytes = abi.encode(onchainConfig);

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

    for (uint256 idx = s_registrars.length(); idx > 0; idx--) {
      s_registrars.remove(s_registrars.at(idx - 1));
    }

    for (uint256 idx = 0; idx < onchainConfig.registrars.length; idx++) {
      s_registrars.add(onchainConfig.registrars[idx]);
    }

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

  /**
   * @inheritdoc OCR2Abstract
   * @dev this function takes up precious space on the root contract, but must be implemented to conform to the OCR2Abstract interface
   */
  function latestConfigDetails()
    external
    view
    override
    returns (uint32 configCount, uint32 blockNumber, bytes32 configDigest)
  {
    return (s_storage.configCount, s_storage.latestConfigBlockNumber, s_latestConfigDigest);
  }

  /**
   * @inheritdoc OCR2Abstract
   * @dev this function takes up precious space on the root contract, but must be implemented to conform to the OCR2Abstract interface
   */
  function latestConfigDigestAndEpoch()
    external
    view
    override
    returns (bool scanLogs, bytes32 configDigest, uint32 epoch)
  {
    return (false, s_latestConfigDigest, s_hotVars.latestEpoch);
  }
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.16;

import {IAutomationRegistryConsumer} from "./interfaces/IAutomationRegistryConsumer.sol";

uint256 constant PERFORM_GAS_CUSHION = 5_000;

/**
 * @title AutomationForwarder is a relayer that sits between the registry and the customer's target contract
 * @dev The purpose of the forwarder is to give customers a consistent address to authorize against,
 * which stays consistent between migrations. The Forwarder also exposes the registry address, so that users who
 * want to programatically interact with the registry (ie top up funds) can do so.
 */
contract AutomationForwarder {
  /// @notice the user's target contract address
  address private immutable i_target;

  /// @notice the shared logic address
  address private immutable i_logic;

  IAutomationRegistryConsumer private s_registry;

  constructor(address target, address registry, address logic) {
    s_registry = IAutomationRegistryConsumer(registry);
    i_target = target;
    i_logic = logic;
  }

  /**
   * @notice forward is called by the registry and forwards the call to the target
   * @param gasAmount is the amount of gas to use in the call
   * @param data is the 4 bytes function selector + arbitrary function data
   * @return success indicating whether the target call succeeded or failed
   */
  function forward(uint256 gasAmount, bytes memory data) external returns (bool success, uint256 gasUsed) {
    if (msg.sender != address(s_registry)) revert();
    address target = i_target;
    gasUsed = gasleft();
    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 with exact gas
      success := call(gasAmount, target, 0, add(data, 0x20), mload(data), 0, 0)
    }
    gasUsed = gasUsed - gasleft();
    return (success, gasUsed);
  }

  function getTarget() external view returns (address) {
    return i_target;
  }

  fallback() external {
    // copy to memory for assembly access
    address logic = i_logic;
    // copied directly from OZ's Proxy contract
    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())

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

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.16;

/**
 * @title Chainable - the contract size limit nullifier
 * @notice Chainable is designed to link together a "chain" of contracts through fallback functions
 * and delegatecalls. All code is executed in the context of the head of the chain, the "master" contract.
 */
contract Chainable {
  /**
   * @dev addresses of the next contract in the chain **have to be immutable/constant** or the system won't work
   */
  address private immutable i_FALLBACK_ADDRESS;

  /**
   * @param fallbackAddress the address of the next contract in the chain
   */
  constructor(address fallbackAddress) {
    i_FALLBACK_ADDRESS = fallbackAddress;
  }

  /**
   * @notice returns the address of the next contract in the chain
   */
  function fallbackTo() external view returns (address) {
    return i_FALLBACK_ADDRESS;
  }

  /**
   * @notice the fallback function routes the call to the next contract in the chain
   * @dev most of the implementation is copied directly from OZ's Proxy contract
   */
  // solhint-disable-next-line no-complex-fallback
  fallback() external payable {
    // copy to memory for assembly access
    address next = i_FALLBACK_ADDRESS;
    // copied directly from OZ's Proxy contract
    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 next contract.
      // out and outsize are 0 because we don't know the size yet.
      let result := delegatecall(gas(), next, 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())
      }
    }
  }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

// solhint-disable-next-line interface-starts-with-i
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;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import {ITypeAndVersion} from "../../shared/interfaces/ITypeAndVersion.sol";
import {IAutomationRegistryConsumer} from "./IAutomationRegistryConsumer.sol";

interface IAutomationForwarder is ITypeAndVersion {
  function forward(uint256 gasAmount, bytes memory data) external returns (bool success, uint256 gasUsed);

  function updateRegistry(address newRegistry) external;

  function getRegistry() external view returns (IAutomationRegistryConsumer);

  function getTarget() external view returns (address);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

/**
 * @notice IAutomationRegistryConsumer defines the LTS user-facing interface that we intend to maintain for
 * across upgrades. As long as users use functions from within this interface, their upkeeps will retain
 * backwards compatability across migrations.
 * @dev Functions can be added to this interface, but not removed.
 */
interface IAutomationRegistryConsumer {
  function getBalance(uint256 id) external view returns (uint96 balance);

  function getMinBalance(uint256 id) external view returns (uint96 minBalance);

  function cancelUpkeep(uint256 id) external;

  function pauseUpkeep(uint256 id) external;

  function unpauseUpkeep(uint256 id) external;

  function addFunds(uint256 id, uint96 amount) external;

  function withdrawFunds(uint256 id, address to) external;
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.4;

interface IAutomationV21PlusCommon {
  // registry events
  event AdminPrivilegeConfigSet(address indexed admin, bytes privilegeConfig);
  event CancelledUpkeepReport(uint256 indexed id, bytes trigger);
  event ConfigSet(
    uint32 previousConfigBlockNumber,
    bytes32 configDigest,
    uint64 configCount,
    address[] signers,
    address[] transmitters,
    uint8 f,
    bytes onchainConfig,
    uint64 offchainConfigVersion,
    bytes offchainConfig
  );
  event DedupKeyAdded(bytes32 indexed dedupKey);
  event InsufficientFundsUpkeepReport(uint256 indexed id, bytes trigger);
  event OwnershipTransferred(address indexed from, address indexed to);
  event OwnershipTransferRequested(address indexed from, address indexed to);
  event Paused(address account);
  event PayeeshipTransferred(address indexed transmitter, address indexed from, address indexed to);
  event PayeeshipTransferRequested(address indexed transmitter, address indexed from, address indexed to);
  event PayeesUpdated(address[] transmitters, address[] payees);
  event PaymentWithdrawn(address indexed transmitter, uint256 indexed amount, address indexed to, address payee);
  event ReorgedUpkeepReport(uint256 indexed id, bytes trigger);
  event StaleUpkeepReport(uint256 indexed id, bytes trigger);
  event Transmitted(bytes32 configDigest, uint32 epoch);
  event Unpaused(address account);

  // upkeep events
  event FundsAdded(uint256 indexed id, address indexed from, uint96 amount);
  event FundsWithdrawn(uint256 indexed id, uint256 amount, address to);
  event UpkeepAdminTransferred(uint256 indexed id, address indexed from, address indexed to);
  event UpkeepAdminTransferRequested(uint256 indexed id, address indexed from, address indexed to);
  event UpkeepCanceled(uint256 indexed id, uint64 indexed atBlockHeight);
  event UpkeepCheckDataSet(uint256 indexed id, bytes newCheckData);
  event UpkeepGasLimitSet(uint256 indexed id, uint96 gasLimit);
  event UpkeepMigrated(uint256 indexed id, uint256 remainingBalance, address destination);
  event UpkeepOffchainConfigSet(uint256 indexed id, bytes offchainConfig);
  event UpkeepPaused(uint256 indexed id);
  event UpkeepPerformed(
    uint256 indexed id,
    bool indexed success,
    uint96 totalPayment,
    uint256 gasUsed,
    uint256 gasOverhead,
    bytes trigger
  );
  event UpkeepPrivilegeConfigSet(uint256 indexed id, bytes privilegeConfig);
  event UpkeepReceived(uint256 indexed id, uint256 startingBalance, address importedFrom);
  event UpkeepRegistered(uint256 indexed id, uint32 performGas, address admin);
  event UpkeepTriggerConfigSet(uint256 indexed id, bytes triggerConfig);
  event UpkeepUnpaused(uint256 indexed id);

  /**
   * @notice structure of trigger for log triggers
   */
  struct LogTriggerConfig {
    address contractAddress;
    uint8 filterSelector; // denotes which topics apply to filter ex 000, 101, 111...only last 3 bits apply
    bytes32 topic0;
    bytes32 topic1;
    bytes32 topic2;
    bytes32 topic3;
  }

  /// @dev Report transmitted by OCR to transmit function
  struct Report {
    uint256 fastGasWei;
    uint256 linkNative;
    uint256[] upkeepIds;
    uint256[] gasLimits;
    bytes[] triggers;
    bytes[] performDatas;
  }

  /**
   * @notice all information about an upkeep
   * @dev only used in return values
   * @dev this will likely be deprecated in a future version of the registry
   * @member target the contract which needs to be serviced
   * @member performGas 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 lastPerformedBlockNumber 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 offchainConfig the off-chain config of this upkeep
   */
  struct UpkeepInfoLegacy {
    address target;
    uint32 performGas;
    bytes checkData;
    uint96 balance;
    address admin;
    uint64 maxValidBlocknumber;
    uint32 lastPerformedBlockNumber;
    uint96 amountSpent;
    bool paused;
    bytes offchainConfig;
  }

  /**
   * @notice the trigger structure conditional trigger type
   */
  struct ConditionalTrigger {
    uint32 blockNum;
    bytes32 blockHash;
  }

  /**
   * @notice the trigger structure of log upkeeps
   * @dev NOTE that blockNum / blockHash describe the block used for the callback,
   * not necessarily the block number that the log was emitted in!!!!
   */
  struct LogTrigger {
    bytes32 logBlockHash;
    bytes32 txHash;
    uint32 logIndex;
    uint32 blockNum;
    bytes32 blockHash;
  }

  /**
   * @notice state of the registry
   * @dev only used in params and return values
   * @dev this will likely be deprecated in a future version of the registry in favor of individual getters
   * @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
   */
  // solhint-disable-next-line gas-struct-packing
  struct StateLegacy {
    uint32 nonce;
    uint96 ownerLinkBalance;
    uint256 expectedLinkBalance;
    uint96 totalPremium;
    uint256 numUpkeeps;
    uint32 configCount;
    uint32 latestConfigBlockNumber;
    bytes32 latestConfigDigest;
    uint32 latestEpoch;
    bool paused;
  }

  /**
   * @notice OnchainConfigLegacy 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 performGas allowed for an upkeep on this registry
   * @member maxCheckDataSize max length of checkData bytes
   * @member maxPerformDataSize max length of performData bytes
   * @member maxRevertDataSize max length of revertData bytes
   * @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 registrars addresses of the registrar contracts
   * @member upkeepPrivilegeManager address which can set privilege for upkeeps
   */
  // solhint-disable-next-line gas-struct-packing
  struct OnchainConfigLegacy {
    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;
    uint32 maxRevertDataSize;
    uint256 fallbackGasPrice;
    uint256 fallbackLinkPrice;
    address transcoder;
    address[] registrars;
    address upkeepPrivilegeManager;
  }

  function checkUpkeep(
    uint256 id,
    bytes memory triggerData
  )
    external
    view
    returns (
      bool upkeepNeeded,
      bytes memory performData,
      uint8 upkeepFailureReason,
      uint256 gasUsed,
      uint256 gasLimit,
      uint256 fastGasWei,
      uint256 linkNative
    );
  function checkUpkeep(
    uint256 id
  )
    external
    view
    returns (
      bool upkeepNeeded,
      bytes memory performData,
      uint8 upkeepFailureReason,
      uint256 gasUsed,
      uint256 gasLimit,
      uint256 fastGasWei,
      uint256 linkNative
    );
  function simulatePerformUpkeep(
    uint256 id,
    bytes memory performData
  ) external view returns (bool success, uint256 gasUsed);
  function executeCallback(
    uint256 id,
    bytes memory payload
  ) external returns (bool upkeepNeeded, bytes memory performData, uint8 upkeepFailureReason, uint256 gasUsed);
  function checkCallback(
    uint256 id,
    bytes[] memory values,
    bytes memory extraData
  ) external view returns (bool upkeepNeeded, bytes memory performData, uint8 upkeepFailureReason, uint256 gasUsed);
  function typeAndVersion() external view returns (string memory);
  function addFunds(uint256 id, uint96 amount) external;
  function cancelUpkeep(uint256 id) external;

  function getUpkeepPrivilegeConfig(uint256 upkeepId) external view returns (bytes memory);
  function hasDedupKey(bytes32 dedupKey) external view returns (bool);
  function getUpkeepTriggerConfig(uint256 upkeepId) external view returns (bytes memory);
  function getUpkeep(uint256 id) external view returns (UpkeepInfoLegacy memory upkeepInfo);
  function getMinBalance(uint256 id) external view returns (uint96);
  function getState()
    external
    view
    returns (
      StateLegacy memory state,
      OnchainConfigLegacy memory config,
      address[] memory signers,
      address[] memory transmitters,
      uint8 f
    );
  function setUpkeepGasLimit(uint256 id, uint32 gasLimit) external;
  function setUpkeepPrivilegeConfig(uint256 upkeepId, bytes memory newPrivilegeConfig) external;
  function pauseUpkeep(uint256 id) external;
  function unpauseUpkeep(uint256 id) external;
  function getActiveUpkeepIDs(uint256 startIndex, uint256 maxCount) external view returns (uint256[] memory);
  function pause() external;
  function setUpkeepCheckData(uint256 id, bytes memory newCheckData) external;
  function setUpkeepTriggerConfig(uint256 id, bytes memory triggerConfig) external;
  function owner() external view returns (address);
  function getTriggerType(uint256 upkeepId) external pure returns (uint8);
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.0;

interface IChainModule {
  /* @notice this function provides the block number of current chain.
   * @dev certain chains have its own function to retrieve block number, e.g. Arbitrum
   * @return blockNumber the block number of the current chain.
   */
  function blockNumber() external view returns (uint256 blockNumber);

  /* @notice this function provides the block hash of a block number.
   * @dev this function can usually look back 256 blocks at most, unless otherwise specified
   * @param blockNumber the block number
   * @return blockHash the block hash of the input block number
   */
  function blockHash(uint256 blockNumber) external view returns (bytes32 blockHash);

  /* @notice this function provides the L1 fee of current transaction.
   * @dev retrieve the L1 data fee for a L2 transaction. it should return 0 for L1 chains. it should
   * return 0 for L2 chains if they don't have L1 fee component.
   * @param dataSize the calldata size of the current transaction
   * @return l1Fee the L1 fee in wei incurred by calldata of this data size
   */
  function getCurrentL1Fee(uint256 dataSize) external view returns (uint256 l1Fee);

  /* @notice this function provides the max possible L1 fee of current transaction.
   * @dev retrieve the max possible L1 data fee for a L2 transaction. it should return 0 for L1 chains. it should
   * return 0 for L2 chains if they don't have L1 fee component.
   * @param dataSize the calldata size of the current transaction
   * @return maxL1Fee the max possible L1 fee in wei incurred by calldata of this data size
   */
  function getMaxL1Fee(uint256 dataSize) external view returns (uint256 maxL1Fee);

  /* @notice this function provides the overheads of calling this chain module.
   * @return chainModuleFixedOverhead the fixed overhead incurred by calling this chain module
   * @return chainModulePerByteOverhead the fixed overhead per byte incurred by calling this chain module with calldata
   */
  function getGasOverhead()
    external
    view
    returns (uint256 chainModuleFixedOverhead, uint256 chainModulePerByteOverhead);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

/**
 * @member index the index of the log in the block. 0 for the first log
 * @member timestamp the timestamp of the block containing the log
 * @member txHash the hash of the transaction containing the log
 * @member blockNumber the number of the block containing the log
 * @member blockHash the hash of the block containing the log
 * @member source the address of the contract that emitted the log
 * @member topics the indexed topics of the log
 * @member data the data of the log
 */
struct Log {
  uint256 index;
  uint256 timestamp;
  bytes32 txHash;
  uint256 blockNumber;
  bytes32 blockHash;
  address source;
  bytes32[] topics;
  bytes data;
}

interface ILogAutomation {
  /**
   * @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 log the raw log data matching the filter that this contract has
   * registered as a trigger
   * @param checkData user-specified extra data to provide context to this upkeep
   * @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 checkLog(
    Log calldata log,
    bytes memory 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;
}

// SPDX-License-Identifier: MIT
/**
 * @notice This is a deprecated interface. Please use AutomationCompatibleInterface directly.
 */
pragma solidity ^0.8.0;
// solhint-disable-next-line no-unused-import
import {AutomationCompatibleInterface as KeeperCompatibleInterface} from "./AutomationCompatibleInterface.sol";

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

// solhint-disable-next-line interface-starts-with-i
interface MigratableKeeperRegistryInterfaceV2 {
  /**
   * @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 upkeepVersion() external view returns (uint8 version);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

// solhint-disable-next-line interface-starts-with-i
interface StreamsLookupCompatibleInterface {
  error StreamsLookup(string feedParamKey, string[] feeds, string timeParamKey, uint256 time, bytes extraData);

  /**
   * @notice any contract which wants to utilize StreamsLookup feature needs to
   * implement this interface as well as the automation compatible interface.
   * @param values an array of bytes returned from data streams endpoint.
   * @param extraData context data from streams lookup process.
   * @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 checkCallback(
    bytes[] memory values,
    bytes memory extraData
  ) external view returns (bool upkeepNeeded, bytes memory performData);

  /**
   * @notice this is a new, optional function in streams lookup. It is meant to surface streams lookup errors.
   * @param errCode an uint value that represents the streams lookup error code.
   * @param extraData context data from streams lookup process.
   * @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 checkErrorHandler(
    uint256 errCode,
    bytes memory extraData
  ) external view returns (bool upkeepNeeded, bytes memory performData);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

// solhint-disable-next-line interface-starts-with-i
interface UpkeepTranscoderInterfaceV2 {
  function transcodeUpkeeps(
    uint8 fromVersion,
    uint8 toVersion,
    bytes calldata encodedUpkeeps
  ) external view returns (bytes memory);
}

// abi-checksum: 0xacb9d0daec3e3bed110c8cf95bdbe7280a21ce61519d4cd496f802884bf05524
// SPDX-License-Identifier: MIT
// !! THIS FILE WAS AUTOGENERATED BY abi-to-sol v0.6.6. SEE SOURCE BELOW. !!
pragma solidity ^0.8.4;

interface IAutomationRegistryMaster2_3 {
  error ArrayHasNoEntries();
  error CannotCancel();
  error CheckDataExceedsLimit();
  error ConfigDigestMismatch();
  error DuplicateEntry();
  error DuplicateSigners();
  error GasLimitCanOnlyIncrease();
  error GasLimitOutsideRange();
  error IncorrectNumberOfFaultyOracles();
  error IncorrectNumberOfSignatures();
  error IncorrectNumberOfSigners();
  error IndexOutOfRange();
  error InsufficientBalance(uint256 available, uint256 requested);
  error InsufficientLinkLiquidity();
  error InvalidDataLength();
  error InvalidFeed();
  error InvalidPayee();
  error InvalidRecipient();
  error InvalidReport();
  error InvalidSigner();
  error InvalidToken();
  error InvalidTransmitter();
  error InvalidTrigger();
  error InvalidTriggerType();
  error MigrationNotPermitted();
  error MustSettleOffchain();
  error MustSettleOnchain();
  error NotAContract();
  error OnlyActiveSigners();
  error OnlyActiveTransmitters();
  error OnlyCallableByAdmin();
  error OnlyCallableByLINKToken();
  error OnlyCallableByOwnerOrAdmin();
  error OnlyCallableByOwnerOrRegistrar();
  error OnlyCallableByPayee();
  error OnlyCallableByProposedAdmin();
  error OnlyCallableByProposedPayee();
  error OnlyCallableByUpkeepPrivilegeManager();
  error OnlyFinanceAdmin();
  error OnlyPausedUpkeep();
  error OnlySimulatedBackend();
  error OnlyUnpausedUpkeep();
  error ParameterLengthError();
  error ReentrantCall();
  error RegistryPaused();
  error RepeatedSigner();
  error RepeatedTransmitter();
  error TargetCheckReverted(bytes reason);
  error TooManyOracles();
  error TranscoderNotSet();
  error TransferFailed();
  error UpkeepAlreadyExists();
  error UpkeepCancelled();
  error UpkeepNotCanceled();
  error UpkeepNotNeeded();
  error ValueNotChanged();
  error ZeroAddressNotAllowed();
  event AdminPrivilegeConfigSet(address indexed admin, bytes privilegeConfig);
  event BillingConfigOverridden(uint256 indexed id, AutomationRegistryBase2_3.BillingOverrides overrides);
  event BillingConfigOverrideRemoved(uint256 indexed id);
  event BillingConfigSet(address indexed token, AutomationRegistryBase2_3.BillingConfig config);
  event CancelledUpkeepReport(uint256 indexed id, bytes trigger);
  event ChainSpecificModuleUpdated(address newModule);
  event ConfigSet(
    uint32 previousConfigBlockNumber,
    bytes32 configDigest,
    uint64 configCount,
    address[] signers,
    address[] transmitters,
    uint8 f,
    bytes onchainConfig,
    uint64 offchainConfigVersion,
    bytes offchainConfig
  );
  event DedupKeyAdded(bytes32 indexed dedupKey);
  event FeesWithdrawn(address indexed assetAddress, address indexed recipient, uint256 amount);
  event FundsAdded(uint256 indexed id, address indexed from, uint96 amount);
  event FundsWithdrawn(uint256 indexed id, uint256 amount, address to);
  event InsufficientFundsUpkeepReport(uint256 indexed id, bytes trigger);
  event NOPsSettledOffchain(address[] payees, uint256[] payments);
  event OwnershipTransferRequested(address indexed from, address indexed to);
  event OwnershipTransferred(address indexed from, address indexed to);
  event Paused(address account);
  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 ReorgedUpkeepReport(uint256 indexed id, bytes trigger);
  event StaleUpkeepReport(uint256 indexed id, bytes trigger);
  event Transmitted(bytes32 configDigest, uint32 epoch);
  event Unpaused(address account);
  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 UpkeepCharged(uint256 indexed id, AutomationRegistryBase2_3.PaymentReceipt receipt);
  event UpkeepCheckDataSet(uint256 indexed id, bytes newCheckData);
  event UpkeepGasLimitSet(uint256 indexed id, uint96 gasLimit);
  event UpkeepMigrated(uint256 indexed id, uint256 remainingBalance, address destination);
  event UpkeepOffchainConfigSet(uint256 indexed id, bytes offchainConfig);
  event UpkeepPaused(uint256 indexed id);
  event UpkeepPerformed(
    uint256 indexed id,
    bool indexed success,
    uint96 totalPayment,
    uint256 gasUsed,
    uint256 gasOverhead,
    bytes trigger
  );
  event UpkeepPrivilegeConfigSet(uint256 indexed id, bytes privilegeConfig);
  event UpkeepReceived(uint256 indexed id, uint256 startingBalance, address importedFrom);
  event UpkeepRegistered(uint256 indexed id, uint32 performGas, address admin);
  event UpkeepTriggerConfigSet(uint256 indexed id, bytes triggerConfig);
  event UpkeepUnpaused(uint256 indexed id);
  fallback() external payable;
  function acceptOwnership() external;
  function fallbackTo() external view returns (address);
  function latestConfigDetails() external view returns (uint32 configCount, uint32 blockNumber, bytes32 configDigest);
  function latestConfigDigestAndEpoch() external view returns (bool scanLogs, bytes32 configDigest, uint32 epoch);
  function owner() external view returns (address);
  function setConfig(
    address[] memory signers,
    address[] memory transmitters,
    uint8 f,
    bytes memory onchainConfigBytes,
    uint64 offchainConfigVersion,
    bytes memory offchainConfig
  ) external;
  function setConfigTypeSafe(
    address[] memory signers,
    address[] memory transmitters,
    uint8 f,
    AutomationRegistryBase2_3.OnchainConfig memory onchainConfig,
    uint64 offchainConfigVersion,
    bytes memory offchainConfig,
    address[] memory billingTokens,
    AutomationRegistryBase2_3.BillingConfig[] memory billingConfigs
  ) external;
  function transferOwnership(address to) external;
  function transmit(
    bytes32[3] memory reportContext,
    bytes memory rawReport,
    bytes32[] memory rs,
    bytes32[] memory ss,
    bytes32 rawVs
  ) external;
  function typeAndVersion() external view returns (string memory);

  function cancelUpkeep(uint256 id) external;
  function migrateUpkeeps(uint256[] memory ids, address destination) external;
  function onTokenTransfer(address sender, uint256 amount, bytes memory data) external;
  function receiveUpkeeps(bytes memory encodedUpkeeps) external;
  function registerUpkeep(
    address target,
    uint32 gasLimit,
    address admin,
    uint8 triggerType,
    address billingToken,
    bytes memory checkData,
    bytes memory triggerConfig,
    bytes memory offchainConfig
  ) external returns (uint256 id);

  function acceptUpkeepAdmin(uint256 id) external;
  function addFunds(uint256 id, uint96 amount) external payable;
  function checkCallback(
    uint256 id,
    bytes[] memory values,
    bytes memory extraData
  ) external view returns (bool upkeepNeeded, bytes memory performData, uint8 upkeepFailureReason, uint256 gasUsed);
  function checkUpkeep(
    uint256 id,
    bytes memory triggerData
  )
    external
    view
    returns (
      bool upkeepNeeded,
      bytes memory performData,
      uint8 upkeepFailureReason,
      uint256 gasUsed,
      uint256 gasLimit,
      uint256 fastGasWei,
      uint256 linkUSD
    );
  function checkUpkeep(
    uint256 id
  )
    external
    view
    returns (
      bool upkeepNeeded,
      bytes memory performData,
      uint8 upkeepFailureReason,
      uint256 gasUsed,
      uint256 gasLimit,
      uint256 fastGasWei,
      uint256 linkUSD
    );
  function executeCallback(
    uint256 id,
    bytes memory payload
  ) external returns (bool upkeepNeeded, bytes memory performData, uint8 upkeepFailureReason, uint256 gasUsed);
  function pauseUpkeep(uint256 id) external;
  function removeBillingOverrides(uint256 id) external;
  function setBillingOverrides(uint256 id, AutomationRegistryBase2_3.BillingOverrides memory billingOverrides) external;
  function setUpkeepCheckData(uint256 id, bytes memory newCheckData) external;
  function setUpkeepGasLimit(uint256 id, uint32 gasLimit) external;
  function setUpkeepOffchainConfig(uint256 id, bytes memory config) external;
  function setUpkeepTriggerConfig(uint256 id, bytes memory triggerConfig) external;
  function simulatePerformUpkeep(
    uint256 id,
    bytes memory performData
  ) external view returns (bool success, uint256 gasUsed);
  function transferUpkeepAdmin(uint256 id, address proposed) external;
  function unpauseUpkeep(uint256 id) external;
  function withdrawERC20Fees(address asset, address to, uint256 amount) external;
  function withdrawFunds(uint256 id, address to) external;
  function withdrawLink(address to, uint256 amount) external;

  function acceptPayeeship(address transmitter) external;
  function disableOffchainPayments() external;
  function getActiveUpkeepIDs(uint256 startIndex, uint256 maxCount) external view returns (uint256[] memory);
  function getAdminPrivilegeConfig(address admin) external view returns (bytes memory);
  function getAllowedReadOnlyAddress() external view returns (address);
  function getAutomationForwarderLogic() external view returns (address);
  function getAvailableERC20ForPayment(address billingToken) external view returns (uint256);
  function getBalance(uint256 id) external view returns (uint96 balance);
  function getBillingConfig(
    address billingToken
  ) external view returns (AutomationRegistryBase2_3.BillingConfig memory);
  function getBillingOverrides(
    uint256 upkeepID
  ) external view returns (AutomationRegistryBase2_3.BillingOverrides memory);
  function getBillingOverridesEnabled(uint256 upkeepID) external view returns (bool);
  function getBillingToken(uint256 upkeepID) external view returns (address);
  function getBillingTokenConfig(address token) external view returns (AutomationRegistryBase2_3.BillingConfig memory);
  function getBillingTokens() external view returns (address[] memory);
  function getCancellationDelay() external pure returns (uint256);
  function getChainModule() external view returns (address chainModule);
  function getConditionalGasOverhead() external pure returns (uint256);
  function getConfig() external view returns (AutomationRegistryBase2_3.OnchainConfig memory);
  function getFallbackNativePrice() external view returns (uint256);
  function getFastGasFeedAddress() external view returns (address);
  function getForwarder(uint256 upkeepID) external view returns (address);
  function getHotVars() external view returns (AutomationRegistryBase2_3.HotVars memory);
  function getLinkAddress() external view returns (address);
  function getLinkUSDFeedAddress() external view returns (address);
  function getLogGasOverhead() external pure returns (uint256);
  function getMaxPaymentForGas(
    uint256 id,
    uint8 triggerType,
    uint32 gasLimit,
    address billingToken
  ) external view returns (uint96 maxPayment);
  function getMinBalance(uint256 id) external view returns (uint96);
  function getMinBalanceForUpkeep(uint256 id) external view returns (uint96 minBalance);
  function getNativeUSDFeedAddress() external view returns (address);
  function getNumUpkeeps() external view returns (uint256);
  function getPayoutMode() external view returns (uint8);
  function getPeerRegistryMigrationPermission(address peer) external view returns (uint8);
  function getPerPerformByteGasOverhead() external pure returns (uint256);
  function getPerSignerGasOverhead() external pure returns (uint256);
  function getReorgProtectionEnabled() external view returns (bool reorgProtectionEnabled);
  function getReserveAmount(address billingToken) external view returns (uint256);
  function getSignerInfo(address query) external view returns (bool active, uint8 index);
  function getState()
    external
    view
    returns (
      IAutomationV21PlusCommon.StateLegacy memory state,
      IAutomationV21PlusCommon.OnchainConfigLegacy memory config,
      address[] memory signers,
      address[] memory transmitters,
      uint8 f
    );
  function getStorage() external view returns (AutomationRegistryBase2_3.Storage memory);
  function getTransmitCalldataFixedBytesOverhead() external pure returns (uint256);
  function getTransmitCalldataPerSignerBytesOverhead() external pure returns (uint256);
  function getTransmitterInfo(
    address query
  ) external view returns (bool active, uint8 index, uint96 balance, uint96 lastCollected, address payee);
  function getTransmittersWithPayees() external view returns (AutomationRegistryBase2_3.TransmitterPayeeInfo[] memory);
  function getTriggerType(uint256 upkeepId) external pure returns (uint8);
  function getUpkeep(uint256 id) external view returns (IAutomationV21PlusCommon.UpkeepInfoLegacy memory upkeepInfo);
  function getUpkeepPrivilegeConfig(uint256 upkeepId) external view returns (bytes memory);
  function getUpkeepTriggerConfig(uint256 upkeepId) external view returns (bytes memory);
  function getWrappedNativeTokenAddress() external view returns (address);
  function hasDedupKey(bytes32 dedupKey) external view returns (bool);
  function linkAvailableForPayment() external view returns (int256);
  function pause() external;
  function setAdminPrivilegeConfig(address admin, bytes memory newPrivilegeConfig) external;
  function setPayees(address[] memory payees) external;
  function setPeerRegistryMigrationPermission(address peer, uint8 permission) external;
  function setUpkeepPrivilegeConfig(uint256 upkeepId, bytes memory newPrivilegeConfig) external;
  function settleNOPsOffchain() external;
  function supportsBillingToken(address token) external view returns (bool);
  function transferPayeeship(address transmitter, address proposed) external;
  function unpause() external;
  function upkeepVersion() external pure returns (uint8);
  function withdrawPayment(address from, address to) external;
}

interface AutomationRegistryBase2_3 {
  struct BillingOverrides {
    uint32 gasFeePPB;
    uint24 flatFeeMilliCents;
  }

  struct BillingConfig {
    uint32 gasFeePPB;
    uint24 flatFeeMilliCents;
    address priceFeed;
    uint8 decimals;
    uint256 fallbackPrice;
    uint96 minSpend;
  }

  struct PaymentReceipt {
    uint96 gasChargeInBillingToken;
    uint96 premiumInBillingToken;
    uint96 gasReimbursementInJuels;
    uint96 premiumInJuels;
    address billingToken;
    uint96 linkUSD;
    uint96 nativeUSD;
    uint96 billingUSD;
  }

  struct OnchainConfig {
    uint32 checkGasLimit;
    uint32 maxPerformGas;
    uint32 maxCheckDataSize;
    address transcoder;
    bool reorgProtectionEnabled;
    uint24 stalenessSeconds;
    uint32 maxPerformDataSize;
    uint32 maxRevertDataSize;
    address upkeepPrivilegeManager;
    uint16 gasCeilingMultiplier;
    address financeAdmin;
    uint256 fallbackGasPrice;
    uint256 fallbackLinkPrice;
    uint256 fallbackNativePrice;
    address[] registrars;
    address chainModule;
  }

  struct HotVars {
    uint96 totalPremium;
    uint32 latestEpoch;
    uint24 stalenessSeconds;
    uint16 gasCeilingMultiplier;
    uint8 f;
    bool paused;
    bool reentrancyGuard;
    bool reorgProtectionEnabled;
    address chainModule;
  }

  struct Storage {
    address transcoder;
    uint32 checkGasLimit;
    uint32 maxPerformGas;
    uint32 nonce;
    address upkeepPrivilegeManager;
    uint32 configCount;
    uint32 latestConfigBlockNumber;
    uint32 maxCheckDataSize;
    address financeAdmin;
    uint32 maxPerformDataSize;
    uint32 maxRevertDataSize;
  }

  struct TransmitterPayeeInfo {
    address transmitterAddress;
    address payeeAddress;
  }
}

interface IAutomationV21PlusCommon {
  struct StateLegacy {
    uint32 nonce;
    uint96 ownerLinkBalance;
    uint256 expectedLinkBalance;
    uint96 totalPremium;
    uint256 numUpkeeps;
    uint32 configCount;
    uint32 latestConfigBlockNumber;
    bytes32 latestConfigDigest;
    uint32 latestEpoch;
    bool paused;
  }

  struct OnchainConfigLegacy {
    uint32 paymentPremiumPPB;
    uint32 flatFeeMicroLink;
    uint32 checkGasLimit;
    uint24 stalenessSeconds;
    uint16 gasCeilingMultiplier;
    uint96 minUpkeepSpend;
    uint32 maxPerformGas;
    uint32 maxCheckDataSize;
    uint32 maxPerformDataSize;
    uint32 maxRevertDataSize;
    uint256 fallbackGasPrice;
    uint256 fallbackLinkPrice;
    address transcoder;
    address[] registrars;
    address upkeepPrivilegeManager;
  }

  struct UpkeepInfoLegacy {
    address target;
    uint32 performGas;
    bytes checkData;
    uint96 balance;
    address admin;
    uint64 maxValidBlocknumber;
    uint32 lastPerformedBlockNumber;
    uint96 amountSpent;
    bool paused;
    bytes offchainConfig;
  }
}

// THIS FILE WAS AUTOGENERATED FROM THE FOLLOWING ABI JSON:
/*
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AutomationRegistryLogicC2_3","name":"logicC","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"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":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"bytes[]","name":"values","type":"bytes[]"},{"internalType":"bytes","name":"extraData","type":"bytes"}],"name":"checkCallback","outputs":[{"internalType":"bool","name":"upkeepNeeded","type":"bool"},{"internalType":"bytes","name":"performData","type":"bytes"},{"internalType":"enum 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AutomationRegistryBase2_3.UpkeepFailureReason","name":"upkeepFailureReason","type":"uint8"},{"internalType":"uint256","name":"gasUsed","type":"uint256"},{"internalType":"uint256","name":"gasLimit","type":"uint256"},{"internalType":"uint256","name":"fastGasWei","type":"uint256"},{"internalType":"uint256","name":"linkUSD","type":"uint256"}],"stateMutability":"view","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 AutomationRegistryBase2_3.UpkeepFailureReason","name":"upkeepFailureReason","type":"uint8"},{"internalType":"uint256","name":"gasUsed","type":"uint256"},{"internalType":"uint256","name":"gasLimit","type":"uint256"},{"internalType":"uint256","name":"fastGasWei","type":"uint256"},{"internalType":"uint256","name":"linkUSD","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"bytes","name":"payload","type":"bytes"}],"name":"executeCallback","outputs":[{"internalType":"bool","name":"upkeepNeeded","type":"bool"},{"internalType":"bytes","name":"performData","type":"bytes"},{"internalType":"enum AutomationRegistryBase2_3.UpkeepFailureReason","name":"upkeepFailureReason","type":"uint8"},{"internalType":"uint256","name":"gasUsed","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"}],"name":"pauseUpkeep","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"}],"name":"removeBillingOverrides","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"},{"components":[{"internalType":"uint32","name":"gasFeePPB","type":"uint32"},{"internalType":"uint24","name":"flatFeeMilliCents","type":"uint24"}],"internalType":"struct AutomationRegistryBase2_3.BillingOverrides","name":"billingOverrides","type":"tuple"}],"name":"setBillingOverrides","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"bytes","name":"newCheckData","type":"bytes"}],"name":"setUpkeepCheckData","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":"triggerConfig","type":"bytes"}],"name":"setUpkeepTriggerConfig","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":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"address","name":"proposed","type":"address"}],"name":"transferUpkeepAdmin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"}],"name":"unpauseUpkeep","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IERC20Metadata","name":"asset","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"withdrawERC20Fees","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"address","name":"to","type":"address"}],"name":"withdrawFunds","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"withdrawLink","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"link","type":"address"},{"internalType":"address","name":"linkUSDFeed","type":"address"},{"internalType":"address","name":"nativeUSDFeed","type":"address"},{"internalType":"address","name":"fastGasFeed","type":"address"},{"internalType":"address","name":"automationForwarderLogic","type":"address"},{"internalType":"address","name":"allowedReadOnlyAddress","type":"address"},{"internalType":"enum AutomationRegistryBase2_3.PayoutMode","name":"payoutMode","type":"uint8"},{"internalType":"address","name":"wrappedNativeTokenAddress","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"transmitter","type":"address"}],"name":"acceptPayeeship","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"disableOffchainPayments","outputs":[],"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":[{"internalType":"address","name":"admin","type":"address"}],"name":"getAdminPrivilegeConfig","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getAllowedReadOnlyAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getAutomationForwarderLogic","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20Metadata","name":"billingToken","type":"address"}],"name":"getAvailableERC20ForPayment","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"}],"name":"getBalance","outputs":[{"internalType":"uint96","name":"balance","type":"uint96"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20Metadata","name":"billingToken","type":"address"}],"name":"getBillingConfig","outputs":[{"components":[{"internalType":"uint32","name":"gasFeePPB","type":"uint32"},{"internalType":"uint24","name":"flatFeeMilliCents","type":"uint24"},{"internalType":"contract AggregatorV3Interface","name":"priceFeed","type":"address"},{"internalType":"uint8","name":"decimals","type":"uint8"},{"internalType":"uint256","name":"fallbackPrice","type":"uint256"},{"internalType":"uint96","name":"minSpend","type":"uint96"}],"internalType":"struct AutomationRegistryBase2_3.BillingConfig","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"upkeepID","type":"uint256"}],"name":"getBillingOverrides","outputs":[{"components":[{"internalType":"uint32","name":"gasFeePPB","type":"uint32"},{"internalType":"uint24","name":"flatFeeMilliCents","type":"uint24"}],"internalType":"struct AutomationRegistryBase2_3.BillingOverrides","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"upkeepID","type":"uint256"}],"name":"getBillingOverridesEnabled","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"upkeepID","type":"uint256"}],"name":"getBillingToken","outputs":[{"internalType":"contract IERC20Metadata","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20Metadata","name":"token","type":"address"}],"name":"getBillingTokenConfig","outputs":[{"components":[{"internalType":"uint32","name":"gasFeePPB","type":"uint32"},{"internalType":"uint24","name":"flatFeeMilliCents","type":"uint24"},{"internalType":"contract AggregatorV3Interface","name":"priceFeed","type":"address"},{"internalType":"uint8","name":"decimals","type":"uint8"},{"internalType":"uint256","name":"fallbackPrice","type":"uint256"},{"internalType":"uint96","name":"minSpend","type":"uint96"}],"internalType":"struct AutomationRegistryBase2_3.BillingConfig","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getBillingTokens","outputs":[{"internalType":"contract IERC20Metadata[]","name":"","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getCancellationDelay","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"getChainModule","outputs":[{"internalType":"contract IChainModule","name":"chainModule","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getConditionalGasOverhead","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"getConfig","outputs":[{"components":[{"internalType":"uint32","name":"checkGasLimit","type":"uint32"},{"internalType":"uint32","name":"maxPerformGas","type":"uint32"},{"internalType":"uint32","name":"maxCheckDataSize","type":"uint32"},{"internalType":"address","name":"transcoder","type":"address"},{"internalType":"bool","name":"reorgProtectionEnabled","type":"bool"},{"internalType":"uint24","name":"stalenessSeconds","type":"uint24"},{"internalType":"uint32","name":"maxPerformDataSize","type":"uint32"},{"internalType":"uint32","name":"maxRevertDataSize","type":"uint32"},{"internalType":"address","name":"upkeepPrivilegeManager","type":"address"},{"internalType":"uint16","name":"gasCeilingMultiplier","type":"uint16"},{"internalType":"address","name":"financeAdmin","type":"address"},{"internalType":"uint256","name":"fallbackGasPrice","type":"uint256"},{"internalType":"uint256","name":"fallbackLinkPrice","type":"uint256"},{"internalType":"uint256","name":"fallbackNativePrice","type":"uint256"},{"internalType":"address[]","name":"registrars","type":"address[]"},{"internalType":"contract IChainModule","name":"chainModule","type":"address"}],"internalType":"struct AutomationRegistryBase2_3.OnchainConfig","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getFallbackNativePrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getFastGasFeedAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"upkeepID","type":"uint256"}],"name":"getForwarder","outputs":[{"internalType":"contract IAutomationForwarder","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getHotVars","outputs":[{"components":[{"internalType":"uint96","name":"totalPremium","type":"uint96"},{"internalType":"uint32","name":"latestEpoch","type":"uint32"},{"internalType":"uint24","name":"stalenessSeconds","type":"uint24"},{"internalType":"uint16","name":"gasCeilingMultiplier","type":"uint16"},{"internalType":"uint8","name":"f","type":"uint8"},{"internalType":"bool","name":"paused","type":"bool"},{"internalType":"bool","name":"reentrancyGuard","type":"bool"},{"internalType":"bool","name":"reorgProtectionEnabled","type":"bool"},{"internalType":"contract IChainModule","name":"chainModule","type":"address"}],"internalType":"struct AutomationRegistryBase2_3.HotVars","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getLinkAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getLinkUSDFeedAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getLogGasOverhead","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"enum AutomationRegistryBase2_3.Trigger","name":"triggerType","type":"uint8"},{"internalType":"uint32","name":"gasLimit","type":"uint32"},{"internalType":"contract IERC20Metadata","name":"billingToken","type":"address"}],"name":"getMaxPaymentForGas","outputs":[{"internalType":"uint96","name":"maxPayment","type":"uint96"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"}],"name":"getMinBalance","outputs":[{"internalType":"uint96","name":"","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":"getNativeUSDFeedAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getNumUpkeeps","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getPayoutMode","outputs":[{"internalType":"enum AutomationRegistryBase2_3.PayoutMode","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"peer","type":"address"}],"name":"getPeerRegistryMigrationPermission","outputs":[{"internalType":"enum AutomationRegistryBase2_3.MigrationPermission","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getPerPerformByteGasOverhead","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"getPerSignerGasOverhead","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"getReorgProtectionEnabled","outputs":[{"internalType":"bool","name":"reorgProtectionEnabled","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20Metadata","name":"billingToken","type":"address"}],"name":"getReserveAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"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 IAutomationV21PlusCommon.StateLegacy","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":"uint32","name":"maxRevertDataSize","type":"uint32"},{"internalType":"uint256","name":"fallbackGasPrice","type":"uint256"},{"internalType":"uint256","name":"fallbackLinkPrice","type":"uint256"},{"internalType":"address","name":"transcoder","type":"address"},{"internalType":"address[]","name":"registrars","type":"address[]"},{"internalType":"address","name":"upkeepPrivilegeManager","type":"address"}],"internalType":"struct IAutomationV21PlusCommon.OnchainConfigLegacy","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":[],"name":"getStorage","outputs":[{"components":[{"internalType":"address","name":"transcoder","type":"address"},{"internalType":"uint32","name":"checkGasLimit","type":"uint32"},{"internalType":"uint32","name":"maxPerformGas","type":"uint32"},{"internalType":"uint32","name":"nonce","type":"uint32"},{"internalType":"address","name":"upkeepPrivilegeManager","type":"address"},{"internalType":"uint32","name":"configCount","type":"uint32"},{"internalType":"uint32","name":"latestConfigBlockNumber","type":"uint32"},{"internalType":"uint32","name":"maxCheckDataSize","type":"uint32"},{"internalType":"address","name":"financeAdmin","type":"address"},{"internalType":"uint32","name":"maxPerformDataSize","type":"uint32"},{"internalType":"uint32","name":"maxRevertDataSize","type":"uint32"}],"internalType":"struct AutomationRegistryBase2_3.Storage","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getTransmitCalldataFixedBytesOverhead","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"getTransmitCalldataPerSignerBytesOverhead","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","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":[],"name":"getTransmittersWithPayees","outputs":[{"components":[{"internalType":"address","name":"transmitterAddress","type":"address"},{"internalType":"address","name":"payeeAddress","type":"address"}],"internalType":"struct AutomationRegistryBase2_3.TransmitterPayeeInfo[]","name":"","type":"tuple[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"upkeepId","type":"uint256"}],"name":"getTriggerType","outputs":[{"internalType":"enum AutomationRegistryBase2_3.Trigger","name":"","type":"uint8"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"}],"name":"getUpkeep","outputs":[{"components":[{"internalType":"address","name":"target","type":"address"},{"internalType":"uint32","name":"performGas","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":"lastPerformedBlockNumber","type":"uint32"},{"internalType":"uint96","name":"amountSpent","type":"uint96"},{"internalType":"bool","name":"paused","type":"bool"},{"internalType":"bytes","name":"offchainConfig","type":"bytes"}],"internalType":"struct IAutomationV21PlusCommon.UpkeepInfoLegacy","name":"upkeepInfo","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"upkeepId","type":"uint256"}],"name":"getUpkeepPrivilegeConfig","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"upkeepId","type":"uint256"}],"name":"getUpkeepTriggerConfig","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getWrappedNativeTokenAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"dedupKey","type":"bytes32"}],"name":"hasDedupKey","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"linkAvailableForPayment","outputs":[{"internalType":"int256","name":"","type":"int256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"admin","type":"address"},{"internalType":"bytes","name":"newPrivilegeConfig","type":"bytes"}],"name":"setAdminPrivilegeConfig","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 AutomationRegistryBase2_3.MigrationPermission","name":"permission","type":"uint8"}],"name":"setPeerRegistryMigrationPermission","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"upkeepId","type":"uint256"},{"internalType":"bytes","name":"newPrivilegeConfig","type":"bytes"}],"name":"setUpkeepPrivilegeConfig","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"settleNOPsOffchain","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IERC20Metadata","name":"token","type":"address"}],"name":"supportsBillingToken","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"transmitter","type":"address"},{"internalType":"address","name":"proposed","type":"address"}],"name":"transferPayeeship","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"unpause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"upkeepVersion","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"}],"name":"withdrawPayment","outputs":[],"stateMutability":"nonpayable","type":"function"}]
*/

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import {IERC20Metadata as IERC20} from "../../../vendor/openzeppelin-solidity/v4.8.3/contracts/token/ERC20/extensions/IERC20Metadata.sol";

interface IWrappedNative is IERC20 {
  function deposit() external payable;

  function withdraw(uint256 wad) external;
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.19;

import {LinkTokenInterface} from "../../shared/interfaces/LinkTokenInterface.sol";
import {IAutomationRegistryMaster2_3} from "../interfaces/v2_3/IAutomationRegistryMaster2_3.sol";
import {TypeAndVersionInterface} from "../../interfaces/TypeAndVersionInterface.sol";
import {ConfirmedOwner} from "../../shared/access/ConfirmedOwner.sol";
import {IERC677Receiver} from "../../shared/interfaces/IERC677Receiver.sol";
import {IERC20Metadata as IERC20} from "../../vendor/openzeppelin-solidity/v4.8.3/contracts/token/ERC20/extensions/IERC20Metadata.sol";
import {IWrappedNative} from "../interfaces/v2_3/IWrappedNative.sol";
import {SafeCast} from "../../vendor/openzeppelin-solidity/v4.8.3/contracts/utils/math/SafeCast.sol";
import {SafeERC20} from "../../vendor/openzeppelin-solidity/v4.8.3/contracts/token/ERC20/utils/SafeERC20.sol";

/**
 * @notice Contract to accept requests for upkeep registrations
 * @dev There are 2 registration workflows in this contract
 * Flow 1. auto approve OFF / manual registration - UI calls `register` function on this contract, this contract owner at a later time then manually
 *  calls `approve` to register upkeep and emit events to inform UI and others interested.
 * Flow 2. auto approve ON / real time registration - UI calls `register` function as before, which calls the `registerUpkeep` function directly on
 *  keeper registry and then emits approved event to finish the flow automatically without manual intervention.
 * The idea is to have same interface(functions,events) for UI or anyone using this contract irrespective of auto approve being enabled or not.
 * they can just listen to `RegistrationRequested` & `RegistrationApproved` events and know the status on registrations.
 */
contract AutomationRegistrar2_3 is TypeAndVersionInterface, ConfirmedOwner, IERC677Receiver {
  using SafeERC20 for IERC20;

  /**
   * DISABLED: No auto approvals, all new upkeeps should be approved manually.
   * ENABLED_SENDER_ALLOWLIST: Auto approvals for allowed senders subject to max allowed. Manual for rest.
   * ENABLED_ALL: Auto approvals for all new upkeeps subject to max allowed.
   */
  enum AutoApproveType {
    DISABLED,
    ENABLED_SENDER_ALLOWLIST,
    ENABLED_ALL
  }

  /**
   * @notice versions:
   * - KeeperRegistrar 2.3.0: Update for compatability with registry 2.3.0
   *                          Add native billing and ERC20 billing support
   * - KeeperRegistrar 2.1.0: Update for compatability with registry 2.1.0
   *                          Add auto approval levels by type
   * - KeeperRegistrar 2.0.0: Remove source from register
   *                          Breaks our example of "Register an Upkeep using your own deployed contract"
   * - KeeperRegistrar 1.1.0: Add functionality for sender allowlist in auto approve
   *                        : Remove rate limit and add max allowed for auto approve
   * - KeeperRegistrar 1.0.0: initial release
   */
  string public constant override typeAndVersion = "AutomationRegistrar 2.3.0";

  /**
   * @notice TriggerRegistrationStorage stores the auto-approval levels for upkeeps by type
   * @member autoApproveType the auto approval setting (see enum)
   * @member autoApproveMaxAllowed the max number of upkeeps that can be auto approved of this type
   * @member approvedCount the count of upkeeps auto approved of this type
   */
  struct TriggerRegistrationStorage {
    AutoApproveType autoApproveType;
    uint32 autoApproveMaxAllowed;
    uint32 approvedCount;
  }

  /**
   * @notice InitialTriggerConfig configures the auto-approval levels for upkeeps by trigger type
   * @dev this struct is only used in the constructor to set the initial values for various trigger configs
   * @member triggerType the upkeep type to configure
   * @member autoApproveType the auto approval setting (see enum)
   * @member autoApproveMaxAllowed the max number of upkeeps that can be auto approved of this type
   */
  // solhint-disable-next-line gas-struct-packing
  struct InitialTriggerConfig {
    uint8 triggerType;
    AutoApproveType autoApproveType;
    uint32 autoApproveMaxAllowed;
  }

  struct PendingRequest {
    address admin;
    uint96 balance;
    IERC20 billingToken;
  }
  /**
   * @member upkeepContract address to perform upkeep on
   * @member amount quantity of billing token upkeep is funded with (specified in the billing token's decimals)
   * @member adminAddress address to cancel upkeep and withdraw remaining funds
   * @member gasLimit amount of gas to provide the target contract when performing upkeep
   * @member triggerType the type of trigger for the upkeep
   * @member billingToken the token to pay with
   * @member name string of the upkeep to be registered
   * @member encryptedEmail email address of upkeep contact
   * @member checkData data passed to the contract when checking for upkeep
   * @member triggerConfig the config for the trigger
   * @member offchainConfig offchainConfig for upkeep in bytes
   */
  struct RegistrationParams {
    address upkeepContract;
    uint96 amount;
    // 1 word full
    address adminAddress;
    uint32 gasLimit;
    uint8 triggerType;
    // 7 bytes left in 2nd word
    IERC20 billingToken;
    // 12 bytes left in 3rd word
    string name;
    bytes encryptedEmail;
    bytes checkData;
    bytes triggerConfig;
    bytes offchainConfig;
  }

  LinkTokenInterface public immutable i_LINK;
  IWrappedNative public immutable i_WRAPPED_NATIVE_TOKEN;
  IAutomationRegistryMaster2_3 private s_registry;

  // Only applicable if trigger config is set to ENABLED_SENDER_ALLOWLIST
  mapping(address => bool) private s_autoApproveAllowedSenders;
  mapping(IERC20 => uint256) private s_minRegistrationAmounts;
  mapping(bytes32 => PendingRequest) private s_pendingRequests;
  mapping(uint8 => TriggerRegistrationStorage) private s_triggerRegistrations;

  event RegistrationRequested(
    bytes32 indexed hash,
    string name,
    bytes encryptedEmail,
    address indexed upkeepContract,
    uint32 gasLimit,
    address adminAddress,
    uint8 triggerType,
    bytes triggerConfig,
    bytes offchainConfig,
    bytes checkData,
    uint96 amount,
    IERC20 billingToken
  );

  event RegistrationApproved(bytes32 indexed hash, string displayName, uint256 indexed upkeepId);

  event RegistrationRejected(bytes32 indexed hash);

  event AutoApproveAllowedSenderSet(address indexed senderAddress, bool allowed);

  event ConfigChanged();

  event TriggerConfigSet(uint8 triggerType, AutoApproveType autoApproveType, uint32 autoApproveMaxAllowed);

  error HashMismatch();
  error InsufficientPayment();
  error InvalidAdminAddress();
  error InvalidBillingToken();
  error InvalidDataLength();
  error TransferFailed(address to);
  error DuplicateEntry();
  error OnlyAdminOrOwner();
  error OnlyLink();
  error RequestNotFound();

  /**
   * @param LINKAddress Address of Link token
   * @param registry keeper registry address
   * @param triggerConfigs the initial config for individual triggers
   * @param billingTokens the tokens allowed for billing
   * @param minRegistrationFees the minimum amount for registering with each billing token
   * @param wrappedNativeToken wrapped native token
   */
  constructor(
    address LINKAddress,
    IAutomationRegistryMaster2_3 registry,
    InitialTriggerConfig[] memory triggerConfigs,
    IERC20[] memory billingTokens,
    uint256[] memory minRegistrationFees,
    IWrappedNative wrappedNativeToken
  ) ConfirmedOwner(msg.sender) {
    i_LINK = LinkTokenInterface(LINKAddress);
    i_WRAPPED_NATIVE_TOKEN = wrappedNativeToken;
    setConfig(registry, billingTokens, minRegistrationFees);
    for (uint256 idx = 0; idx < triggerConfigs.length; idx++) {
      setTriggerConfig(
        triggerConfigs[idx].triggerType,
        triggerConfigs[idx].autoApproveType,
        triggerConfigs[idx].autoApproveMaxAllowed
      );
    }
  }

  //EXTERNAL

  /**
   * @notice Allows external users to register upkeeps; assumes amount is approved for transfer by the contract
   * @param requestParams struct of all possible registration parameters
   */
  function registerUpkeep(RegistrationParams memory requestParams) external payable returns (uint256) {
    if (requestParams.billingToken == IERC20(i_WRAPPED_NATIVE_TOKEN) && msg.value != 0) {
      requestParams.amount = SafeCast.toUint96(msg.value);
      // wrap and send native payment
      i_WRAPPED_NATIVE_TOKEN.deposit{value: msg.value}();
    } else {
      // send ERC20 payment, including wrapped native token
      requestParams.billingToken.safeTransferFrom(msg.sender, address(this), requestParams.amount);
    }

    return _register(requestParams, msg.sender);
  }

  /**
   * @dev register upkeep on AutomationRegistry contract and emit RegistrationApproved event
   * @param requestParams struct of all possible registration parameters
   */
  function approve(RegistrationParams calldata requestParams) external onlyOwner {
    bytes32 hash = keccak256(abi.encode(requestParams));

    PendingRequest memory request = s_pendingRequests[hash];
    if (request.admin == address(0)) {
      revert RequestNotFound();
    }

    delete s_pendingRequests[hash];
    _approve(requestParams, hash);
  }

  /**
   * @notice cancel will remove a registration request from the pending request queue and return the refunds to the request.admin
   * @param hash the request hash
   */
  function cancel(bytes32 hash) external {
    PendingRequest memory request = s_pendingRequests[hash];

    if (!(msg.sender == request.admin || msg.sender == owner())) {
      revert OnlyAdminOrOwner();
    }
    if (request.admin == address(0)) {
      revert RequestNotFound();
    }
    delete s_pendingRequests[hash];

    request.billingToken.safeTransfer(request.admin, request.balance);

    emit RegistrationRejected(hash);
  }

  /**
   * @notice owner calls this function to set contract config
   * @param registry new keeper registry address
   * @param billingTokens the billing tokens that this registrar supports (registy must also support these)
   * @param minBalances minimum balances that users must supply to register with the corresponding billing token
   */
  function setConfig(
    IAutomationRegistryMaster2_3 registry,
    IERC20[] memory billingTokens,
    uint256[] memory minBalances
  ) public onlyOwner {
    if (billingTokens.length != minBalances.length) revert InvalidDataLength();
    s_registry = registry;
    for (uint256 i = 0; i < billingTokens.length; i++) {
      s_minRegistrationAmounts[billingTokens[i]] = minBalances[i];
    }
    emit ConfigChanged();
  }

  /**
   * @notice owner calls to set the config for this upkeep type
   * @param triggerType the upkeep type to configure
   * @param autoApproveType the auto approval setting (see enum)
   * @param autoApproveMaxAllowed the max number of upkeeps that can be auto approved of this type
   */
  function setTriggerConfig(
    uint8 triggerType,
    AutoApproveType autoApproveType,
    uint32 autoApproveMaxAllowed
  ) public onlyOwner {
    s_triggerRegistrations[triggerType].autoApproveType = autoApproveType;
    s_triggerRegistrations[triggerType].autoApproveMaxAllowed = autoApproveMaxAllowed;
    emit TriggerConfigSet(triggerType, autoApproveType, autoApproveMaxAllowed);
  }

  /**
   * @notice owner calls this function to set allowlist status for senderAddress
   * @param senderAddress senderAddress to set the allowlist status for
   * @param allowed true if senderAddress needs to be added to allowlist, false if needs to be removed
   */
  function setAutoApproveAllowedSender(address senderAddress, bool allowed) external onlyOwner {
    s_autoApproveAllowedSenders[senderAddress] = allowed;

    emit AutoApproveAllowedSenderSet(senderAddress, allowed);
  }

  /**
   * @notice read the allowlist status of senderAddress
   * @param senderAddress address to read the allowlist status for
   */
  function getAutoApproveAllowedSender(address senderAddress) external view returns (bool) {
    return s_autoApproveAllowedSenders[senderAddress];
  }

  /**
   * @notice gets the registry that this registrar is pointed to
   */
  function getRegistry() external view returns (IAutomationRegistryMaster2_3) {
    return s_registry;
  }

  /**
   * @notice get the minimum registration fee for a particular billing token
   */
  function getMinimumRegistrationAmount(IERC20 billingToken) external view returns (uint256) {
    return s_minRegistrationAmounts[billingToken];
  }

  /**
   * @notice read the config for this upkeep type
   * @param triggerType upkeep type to read config for
   */
  function getTriggerRegistrationDetails(uint8 triggerType) external view returns (TriggerRegistrationStorage memory) {
    return s_triggerRegistrations[triggerType];
  }

  /**
   * @notice gets the admin address and the current balance of a registration request
   */
  function getPendingRequest(bytes32 hash) external view returns (address, uint96) {
    PendingRequest memory request = s_pendingRequests[hash];
    return (request.admin, request.balance);
  }

  /**
   * @notice Called when LINK is sent to the contract via `transferAndCall`
   * @param sender Address of the sender transfering LINK
   * @param amount Amount of LINK sent (specified in Juels)
   * @param data Payload of the transaction
   */
  function onTokenTransfer(address sender, uint256 amount, bytes calldata data) external override {
    if (msg.sender != address(i_LINK)) revert OnlyLink();
    RegistrationParams memory params = abi.decode(data, (RegistrationParams));
    if (address(params.billingToken) != address(i_LINK)) revert OnlyLink();
    params.amount = uint96(amount); // ignore whatever is sent in registration params, use actual value; casting safe because max supply LINK < 2^96
    _register(params, sender);
  }

  // ================================================================
  // |                           PRIVATE                            |
  // ================================================================

  /**
   * @dev verify registration request and emit RegistrationRequested event
   * @dev we don't allow multiple duplicate registrations by adding to the original registration's balance
   * users can cancel and re-register if they want to update the registration
   */
  function _register(RegistrationParams memory params, address sender) private returns (uint256) {
    if (params.amount < s_minRegistrationAmounts[params.billingToken]) {
      revert InsufficientPayment();
    }
    if (params.adminAddress == address(0)) {
      revert InvalidAdminAddress();
    }
    if (!s_registry.supportsBillingToken(address(params.billingToken))) {
      revert InvalidBillingToken();
    }
    bytes32 hash = keccak256(abi.encode(params));

    if (s_pendingRequests[hash].admin != address(0)) {
      revert DuplicateEntry();
    }

    emit RegistrationRequested(
      hash,
      params.name,
      params.encryptedEmail,
      params.upkeepContract,
      params.gasLimit,
      params.adminAddress,
      params.triggerType,
      params.triggerConfig,
      params.offchainConfig,
      params.checkData,
      params.amount,
      params.billingToken
    );

    uint256 upkeepId;
    if (_shouldAutoApprove(s_triggerRegistrations[params.triggerType], sender)) {
      s_triggerRegistrations[params.triggerType].approvedCount++;
      upkeepId = _approve(params, hash);
    } else {
      s_pendingRequests[hash] = PendingRequest({
        admin: params.adminAddress,
        balance: params.amount,
        billingToken: params.billingToken
      });
    }

    return upkeepId;
  }

  /**
   * @dev register upkeep on AutomationRegistry contract and emit RegistrationApproved event
   * @dev safeApprove is deprecated and removed from the latest (v5) OZ release, Use safeIncreaseAllowance when we upgrade OZ (we are on v4.8)
   * @dev we stick to the safeApprove because of the older version (v4.8) of safeIncreaseAllowance can't handle USDT correctly, but newer version can
   */
  function _approve(RegistrationParams memory params, bytes32 hash) private returns (uint256) {
    IAutomationRegistryMaster2_3 registry = s_registry;
    uint256 upkeepId = registry.registerUpkeep(
      params.upkeepContract,
      params.gasLimit,
      params.adminAddress,
      params.triggerType,
      address(params.billingToken), // have to cast as address because master interface doesn't use contract types
      params.checkData,
      params.triggerConfig,
      params.offchainConfig
    );

    if (address(params.billingToken) == address(i_LINK)) {
      bool success = i_LINK.transferAndCall(address(registry), params.amount, abi.encode(upkeepId));
      if (!success) {
        revert TransferFailed(address(registry));
      }
    } else {
      params.billingToken.safeApprove(address(registry), params.amount);
      registry.addFunds(upkeepId, params.amount);
    }

    emit RegistrationApproved(hash, params.name, upkeepId);
    return upkeepId;
  }

  /**
   * @dev verify sender allowlist if needed and check max limit
   */
  function _shouldAutoApprove(TriggerRegistrationStorage memory config, address sender) private view returns (bool) {
    if (config.autoApproveType == AutoApproveType.DISABLED) {
      return false;
    }
    if (config.autoApproveType == AutoApproveType.ENABLED_SENDER_ALLOWLIST && (!s_autoApproveAllowedSenders[sender])) {
      return false;
    }
    if (config.approvedCount < config.autoApproveMaxAllowed) {
      return true;
    }
    return false;
  }
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.19;

import {EnumerableSet} from "../../vendor/openzeppelin-solidity/v4.7.3/contracts/utils/structs/EnumerableSet.sol";
import {Address} from "../../vendor/openzeppelin-solidity/v4.7.3/contracts/utils/Address.sol";
import {StreamsLookupCompatibleInterface} from "../interfaces/StreamsLookupCompatibleInterface.sol";
import {ILogAutomation, Log} from "../interfaces/ILogAutomation.sol";
import {IAutomationForwarder} from "../interfaces/IAutomationForwarder.sol";
import {ConfirmedOwner} from "../../shared/access/ConfirmedOwner.sol";
import {AggregatorV3Interface} from "../../shared/interfaces/AggregatorV3Interface.sol";
import {LinkTokenInterface} from "../../shared/interfaces/LinkTokenInterface.sol";
import {KeeperCompatibleInterface} from "../interfaces/KeeperCompatibleInterface.sol";
import {IChainModule} from "../interfaces/IChainModule.sol";
import {IERC20Metadata as IERC20} from "../../vendor/openzeppelin-solidity/v4.8.3/contracts/token/ERC20/extensions/IERC20Metadata.sol";
import {SafeCast} from "../../vendor/openzeppelin-solidity/v4.8.3/contracts/utils/math/SafeCast.sol";
import {IWrappedNative} from "../interfaces/v2_3/IWrappedNative.sol";

/**
 * @notice Base Keeper Registry contract, contains shared logic between
 * AutomationRegistry and AutomationRegistryLogic
 * @dev all errors, events, and internal functions should live here
 */
// solhint-disable-next-line max-states-count
abstract contract AutomationRegistryBase2_3 is ConfirmedOwner {
  using Address for address;
  using EnumerableSet for EnumerableSet.UintSet;
  using EnumerableSet for EnumerableSet.AddressSet;

  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;
  bytes4 internal constant CHECK_CALLBACK_SELECTOR = StreamsLookupCompatibleInterface.checkCallback.selector;
  bytes4 internal constant CHECK_LOG_SELECTOR = ILogAutomation.checkLog.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;
  // The first byte of the mask can be 0, because we only ever have 31 oracles
  uint256 internal constant ORACLE_MASK = 0x0001010101010101010101010101010101010101010101010101010101010101;
  uint8 internal constant UPKEEP_VERSION_BASE = 4;

  // Next block of constants are only used in maxPayment estimation during checkUpkeep simulation
  // These values are calibrated using hardhat tests which simulate various cases and verify that
  // the variables result in accurate estimation
  uint256 internal constant REGISTRY_CONDITIONAL_OVERHEAD = 98_200; // Fixed gas overhead for conditional upkeeps
  uint256 internal constant REGISTRY_LOG_OVERHEAD = 123_500; // Fixed gas overhead for log upkeeps
  uint256 internal constant REGISTRY_PER_SIGNER_GAS_OVERHEAD = 5_600; // Value scales with f
  uint256 internal constant REGISTRY_PER_PERFORM_BYTE_GAS_OVERHEAD = 24; // Per perform data byte overhead

  // The overhead (in bytes) in addition to perform data for upkeep sent in calldata
  // This includes overhead for all struct encoding as well as report signatures
  // There is a fixed component and a per signer component. This is calculated exactly by doing abi encoding
  uint256 internal constant TRANSMIT_CALLDATA_FIXED_BYTES_OVERHEAD = 932;
  uint256 internal constant TRANSMIT_CALLDATA_PER_SIGNER_BYTES_OVERHEAD = 64;

  // Next block of constants are used in actual payment calculation. We calculate the exact gas used within the
  // tx itself, but since payment processing itself takes gas, and it needs the overhead as input, we use fixed constants
  // to account for gas used in payment processing. These values are calibrated using hardhat tests which simulates various cases and verifies that
  // the variables result in accurate estimation
  uint256 internal constant ACCOUNTING_FIXED_GAS_OVERHEAD = 51_200; // Fixed overhead per tx
  uint256 internal constant ACCOUNTING_PER_UPKEEP_GAS_OVERHEAD = 14_200; // Overhead per upkeep performed in batch

  LinkTokenInterface internal immutable i_link;
  AggregatorV3Interface internal immutable i_linkUSDFeed;
  AggregatorV3Interface internal immutable i_nativeUSDFeed;
  AggregatorV3Interface internal immutable i_fastGasFeed;
  address internal immutable i_automationForwarderLogic;
  address internal immutable i_allowedReadOnlyAddress;
  IWrappedNative internal immutable i_wrappedNativeToken;

  /**
   * @dev - The storage is gas optimised for one and only one 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;
  mapping(bytes32 => bool) internal s_dedupKeys;
  // Registry config and state
  EnumerableSet.AddressSet internal s_registrars;
  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
  EnumerableSet.AddressSet internal s_deactivatedTransmitters;
  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_fallbackNativePrice;
  mapping(address => MigrationPermission) internal s_peerRegistryMigrationPermission; // Permissions for migration to and fro
  mapping(uint256 => bytes) internal s_upkeepTriggerConfig; // upkeep triggers
  mapping(uint256 => bytes) internal s_upkeepOffchainConfig; // general config set by users for each upkeep
  mapping(uint256 => bytes) internal s_upkeepPrivilegeConfig; // general config set by an administrative role for an upkeep
  mapping(address => bytes) internal s_adminPrivilegeConfig; // general config set by an administrative role for an admin
  // billing
  mapping(IERC20 billingToken => uint256 reserveAmount) internal s_reserveAmounts; // unspent user deposits + unwithdrawn NOP payments
  mapping(IERC20 billingToken => BillingConfig billingConfig) internal s_billingConfigs; // billing configurations for different tokens
  mapping(uint256 upkeepID => BillingOverrides billingOverrides) internal s_billingOverrides; // billing overrides for specific upkeeps
  IERC20[] internal s_billingTokens; // list of billing tokens
  PayoutMode internal s_payoutMode;

  error ArrayHasNoEntries();
  error CannotCancel();
  error CheckDataExceedsLimit();
  error ConfigDigestMismatch();
  error DuplicateEntry();
  error DuplicateSigners();
  error GasLimitCanOnlyIncrease();
  error GasLimitOutsideRange();
  error IncorrectNumberOfFaultyOracles();
  error IncorrectNumberOfSignatures();
  error IncorrectNumberOfSigners();
  error IndexOutOfRange();
  error InsufficientBalance(uint256 available, uint256 requested);
  error InsufficientLinkLiquidity();
  error InvalidDataLength();
  error InvalidFeed();
  error InvalidTrigger();
  error InvalidPayee();
  error InvalidRecipient();
  error InvalidReport();
  error InvalidSigner();
  error InvalidToken();
  error InvalidTransmitter();
  error InvalidTriggerType();
  error MigrationNotPermitted();
  error MustSettleOffchain();
  error MustSettleOnchain();
  error NotAContract();
  error OnlyActiveSigners();
  error OnlyActiveTransmitters();
  error OnlyCallableByAdmin();
  error OnlyCallableByLINKToken();
  error OnlyCallableByOwnerOrAdmin();
  error OnlyCallableByOwnerOrRegistrar();
  error OnlyCallableByPayee();
  error OnlyCallableByProposedAdmin();
  error OnlyCallableByProposedPayee();
  error OnlyCallableByUpkeepPrivilegeManager();
  error OnlyFinanceAdmin();
  error OnlyPausedUpkeep();
  error OnlySimulatedBackend();
  error OnlyUnpausedUpkeep();
  error ParameterLengthError();
  error ReentrantCall();
  error RegistryPaused();
  error RepeatedSigner();
  error RepeatedTransmitter();
  error TargetCheckReverted(bytes reason);
  error TooManyOracles();
  error TranscoderNotSet();
  error TransferFailed();
  error UpkeepAlreadyExists();
  error UpkeepCancelled();
  error UpkeepNotCanceled();
  error UpkeepNotNeeded();
  error ValueNotChanged();
  error ZeroAddressNotAllowed();

  enum MigrationPermission {
    NONE,
    OUTGOING,
    INCOMING,
    BIDIRECTIONAL
  }

  enum Trigger {
    CONDITION,
    LOG
  }

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

  enum PayoutMode {
    ON_CHAIN,
    OFF_CHAIN
  }

  /**
   * @notice OnchainConfig of the registry
   * @dev used only in setConfig()
   * @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 maxPerformGas max performGas allowed for an upkeep on this registry
   * @member maxCheckDataSize max length of checkData bytes
   * @member maxPerformDataSize max length of performData bytes
   * @member maxRevertDataSize max length of revertData bytes
   * @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 registrars addresses of the registrar contracts
   * @member upkeepPrivilegeManager address which can set privilege for upkeeps
   * @member reorgProtectionEnabled if this registry enables re-org protection checks
   * @member chainModule the chain specific module
   */
  struct OnchainConfig {
    uint32 checkGasLimit;
    uint32 maxPerformGas;
    uint32 maxCheckDataSize;
    address transcoder;
    // 1 word full
    bool reorgProtectionEnabled;
    uint24 stalenessSeconds;
    uint32 maxPerformDataSize;
    uint32 maxRevertDataSize;
    address upkeepPrivilegeManager;
    // 2 words full
    uint16 gasCeilingMultiplier;
    address financeAdmin;
    // 3 words
    uint256 fallbackGasPrice;
    uint256 fallbackLinkPrice;
    uint256 fallbackNativePrice;
    address[] registrars;
    IChainModule chainModule;
  }

  /**
   * @notice relevant state of an upkeep which is used in transmit function
   * @member paused if this upkeep has been paused
   * @member overridesEnabled if this upkeep has overrides enabled
   * @member performGas the gas limit of upkeep execution
   * @member maxValidBlocknumber until which block this upkeep is valid
   * @member forwarder the forwarder contract to use for this upkeep
   * @member amountSpent the amount this upkeep has spent, in the upkeep's billing token
   * @member balance the balance of this upkeep
   * @member lastPerformedBlockNumber the last block number when this upkeep was performed
   */
  struct Upkeep {
    bool paused;
    bool overridesEnabled;
    uint32 performGas;
    uint32 maxValidBlocknumber;
    IAutomationForwarder forwarder;
    // 2 bytes left in 1st EVM word - read in transmit path
    uint128 amountSpent;
    uint96 balance;
    uint32 lastPerformedBlockNumber;
    // 0 bytes left in 2nd EVM word - written in transmit path
    IERC20 billingToken;
    // 12 bytes left in 3rd EVM word - read in transmit path
  }

  /// @dev Config + State storage struct which is on hot transmit path
  struct HotVars {
    uint96 totalPremium; // ─────────╮ total historical payment to oracles for premium
    uint32 latestEpoch; //           │ latest epoch for which a report was transmitted
    uint24 stalenessSeconds; //      │ Staleness tolerance for feeds
    uint16 gasCeilingMultiplier; //  │ multiplier on top of fast gas feed for upper bound
    uint8 f; //                      │ maximum number of faulty oracles
    bool paused; //                  │ pause switch for all upkeeps in the registry
    bool reentrancyGuard; //         | guard against reentrancy
    bool reorgProtectionEnabled; // ─╯ if this registry should enable the re-org protection mechanism
    IChainModule chainModule; //       the interface of chain specific module
  }

  /// @dev Config + State storage struct which is not on hot transmit path
  struct Storage {
    address transcoder; // Address of transcoder contract used in migrations
    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
    // 1 EVM word full
    address upkeepPrivilegeManager; // address which can set privilege for upkeeps
    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
    // 2 EVM word full
    address financeAdmin; // address which can withdraw funds from the contract
    uint32 maxPerformDataSize; // max length of performData bytes
    uint32 maxRevertDataSize; // max length of revertData bytes
    // 4 bytes left in 3rd EVM word
  }

  /// @dev Report transmitted by OCR to transmit function
  struct Report {
    uint256 fastGasWei;
    uint256 linkUSD;
    uint256[] upkeepIds;
    uint256[] gasLimits;
    bytes[] triggers;
    bytes[] performDatas;
  }

  /**
   * @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 performSuccess whether the perform was successful
   * @member triggerType the type of trigger
   * @member gasUsed gasUsed by this upkeep in perform
   * @member calldataWeight weight assigned to this upkeep for its contribution to calldata. It is used to split L1 fee
   * @member dedupID unique ID used to dedup an upkeep/trigger combo
   */
  struct UpkeepTransmitInfo {
    Upkeep upkeep;
    bool earlyChecksPassed;
    bool performSuccess;
    Trigger triggerType;
    uint256 gasUsed;
    uint256 calldataWeight;
    bytes32 dedupID;
  }

  /**
   * @notice holds information about a transmiter / node in the DON
   * @member active can this transmitter submit reports
   * @member index of oracle in s_signersList/s_transmittersList
   * @member balance a node's balance in LINK
   * @member lastCollected the total balance at which the node last withdrew
   * @dev uint96 is safe for balance / last collected because transmitters are only ever paid in LINK
   */
  struct Transmitter {
    bool active;
    uint8 index;
    uint96 balance;
    uint96 lastCollected;
  }

  struct TransmitterPayeeInfo {
    address transmitterAddress;
    address payeeAddress;
  }

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

  /**
   * @notice the trigger structure conditional trigger type
   */
  struct ConditionalTrigger {
    uint32 blockNum;
    bytes32 blockHash;
  }

  /**
   * @notice the trigger structure of log upkeeps
   * @dev NOTE that blockNum / blockHash describe the block used for the callback,
   * not necessarily the block number that the log was emitted in!!!!
   */
  struct LogTrigger {
    bytes32 logBlockHash;
    bytes32 txHash;
    uint32 logIndex;
    uint32 blockNum;
    bytes32 blockHash;
  }

  /**
   * @notice the billing config of a token
   * @dev this is a storage struct
   */
  // solhint-disable-next-line gas-struct-packing
  struct BillingConfig {
    uint32 gasFeePPB;
    uint24 flatFeeMilliCents; // min fee is $0.00001, max fee is $167
    AggregatorV3Interface priceFeed;
    uint8 decimals;
    // 1st word, read in calculating BillingTokenPaymentParams
    uint256 fallbackPrice;
    // 2nd word only read if stale
    uint96 minSpend;
    // 3rd word only read during cancellation
  }

  /**
   * @notice override-able billing params of a billing token
   */
  struct BillingOverrides {
    uint32 gasFeePPB;
    uint24 flatFeeMilliCents;
  }

  /**
   * @notice pricing params for a billing token
   * @dev this is a memory-only struct, so struct packing is less important
   */
  struct BillingTokenPaymentParams {
    uint8 decimals;
    uint32 gasFeePPB;
    uint24 flatFeeMilliCents;
    uint256 priceUSD;
  }

  /**
   * @notice struct containing price & payment information used in calculating payment amount
   * @member gasLimit the amount of gas used
   * @member gasOverhead the amount of gas overhead
   * @member l1CostWei the amount to be charged for L1 fee in wei
   * @member fastGasWei the fast gas price
   * @member linkUSD the exchange ratio between LINK and USD
   * @member nativeUSD the exchange ratio between the chain's native token and USD
   * @member billingToken the billing token
   * @member billingTokenParams the payment params specific to a particular payment token
   * @member isTransaction is this an eth_call or a transaction
   */
  struct PaymentParams {
    uint256 gasLimit;
    uint256 gasOverhead;
    uint256 l1CostWei;
    uint256 fastGasWei;
    uint256 linkUSD;
    uint256 nativeUSD;
    IERC20 billingToken;
    BillingTokenPaymentParams billingTokenParams;
    bool isTransaction;
  }

  /**
   * @notice struct containing receipt information about a payment or cost estimation
   * @member gasChargeInBillingToken the amount to charge a user for gas spent using the billing token's native decimals
   * @member premiumInBillingToken the premium charged to the user, shared between all nodes, using the billing token's native decimals
   * @member gasReimbursementInJuels the amount to reimburse a node for gas spent
   * @member premiumInJuels the premium paid to NOPs, shared between all nodes
   */
  // solhint-disable-next-line gas-struct-packing
  struct PaymentReceipt {
    uint96 gasChargeInBillingToken;
    uint96 premiumInBillingToken;
    // one word ends
    uint96 gasReimbursementInJuels;
    uint96 premiumInJuels;
    // second word ends
    IERC20 billingToken;
    uint96 linkUSD;
    // third word ends
    uint96 nativeUSD;
    uint96 billingUSD;
    // fourth word ends
  }

  event AdminPrivilegeConfigSet(address indexed admin, bytes privilegeConfig);
  event BillingConfigOverridden(uint256 indexed id, BillingOverrides overrides);
  event BillingConfigOverrideRemoved(uint256 indexed id);
  event BillingConfigSet(IERC20 indexed token, BillingConfig config);
  event CancelledUpkeepReport(uint256 indexed id, bytes trigger);
  event ChainSpecificModuleUpdated(address newModule);
  event DedupKeyAdded(bytes32 indexed dedupKey);
  event FeesWithdrawn(address indexed assetAddress, address indexed recipient, uint256 amount);
  event FundsAdded(uint256 indexed id, address indexed from, uint96 amount);
  event FundsWithdrawn(uint256 indexed id, uint256 amount, address to);
  event InsufficientFundsUpkeepReport(uint256 indexed id, bytes trigger);
  event NOPsSettledOffchain(address[] payees, uint256[] payments);
  event Paused(address account);
  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 ReorgedUpkeepReport(uint256 indexed id, bytes trigger);
  event StaleUpkeepReport(uint256 indexed id, bytes trigger);
  event UpkeepAdminTransferred(uint256 indexed id, address indexed from, address indexed to);
  event UpkeepAdminTransferRequested(uint256 indexed id, address indexed from, address indexed to);
  event UpkeepCanceled(uint256 indexed id, uint64 indexed atBlockHeight);
  event UpkeepCheckDataSet(uint256 indexed id, bytes newCheckData);
  event UpkeepGasLimitSet(uint256 indexed id, uint96 gasLimit);
  event UpkeepMigrated(uint256 indexed id, uint256 remainingBalance, address destination);
  event UpkeepOffchainConfigSet(uint256 indexed id, bytes offchainConfig);
  event UpkeepPaused(uint256 indexed id);
  event UpkeepPerformed(
    uint256 indexed id,
    bool indexed success,
    uint96 totalPayment,
    uint256 gasUsed,
    uint256 gasOverhead,
    bytes trigger
  );
  event UpkeepCharged(uint256 indexed id, PaymentReceipt receipt);
  event UpkeepPrivilegeConfigSet(uint256 indexed id, bytes privilegeConfig);
  event UpkeepReceived(uint256 indexed id, uint256 startingBalance, address importedFrom);
  event UpkeepRegistered(uint256 indexed id, uint32 performGas, address admin);
  event UpkeepTriggerConfigSet(uint256 indexed id, bytes triggerConfig);
  event UpkeepUnpaused(uint256 indexed id);
  event Unpaused(address account);

  /**
   * @param link address of the LINK Token
   * @param linkUSDFeed address of the LINK/USD price feed
   * @param nativeUSDFeed address of the Native/USD price feed
   * @param fastGasFeed address of the Fast Gas price feed
   * @param automationForwarderLogic the address of automation forwarder logic
   * @param allowedReadOnlyAddress the address of the allowed read only address
   * @param payoutMode the payout mode
   */
  constructor(
    address link,
    address linkUSDFeed,
    address nativeUSDFeed,
    address fastGasFeed,
    address automationForwarderLogic,
    address allowedReadOnlyAddress,
    PayoutMode payoutMode,
    address wrappedNativeTokenAddress
  ) ConfirmedOwner(msg.sender) {
    i_link = LinkTokenInterface(link);
    i_linkUSDFeed = AggregatorV3Interface(linkUSDFeed);
    i_nativeUSDFeed = AggregatorV3Interface(nativeUSDFeed);
    i_fastGasFeed = AggregatorV3Interface(fastGasFeed);
    i_automationForwarderLogic = automationForwarderLogic;
    i_allowedReadOnlyAddress = allowedReadOnlyAddress;
    s_payoutMode = payoutMode;
    i_wrappedNativeToken = IWrappedNative(wrappedNativeTokenAddress);
    if (i_linkUSDFeed.decimals() != i_nativeUSDFeed.decimals()) {
      revert InvalidFeed();
    }
  }

  // ================================================================
  // |                   INTERNAL FUNCTIONS ONLY                    |
  // ================================================================

  /**
   * @dev creates a new upkeep with the given fields
   * @param id the id of the upkeep
   * @param upkeep the upkeep to create
   * @param admin address to cancel upkeep and withdraw remaining funds
   * @param checkData data which is passed to user's checkUpkeep
   * @param triggerConfig the trigger config for this upkeep
   * @param offchainConfig the off-chain config of this upkeep
   */
  function _createUpkeep(
    uint256 id,
    Upkeep memory upkeep,
    address admin,
    bytes memory checkData,
    bytes memory triggerConfig,
    bytes memory offchainConfig
  ) internal {
    if (s_hotVars.paused) revert RegistryPaused();
    if (checkData.length > s_storage.maxCheckDataSize) revert CheckDataExceedsLimit();
    if (upkeep.performGas < PERFORM_GAS_MIN || upkeep.performGas > s_storage.maxPerformGas)
      revert GasLimitOutsideRange();
    if (address(s_upkeep[id].forwarder) != address(0)) revert UpkeepAlreadyExists();
    if (address(s_billingConfigs[upkeep.billingToken].priceFeed) == address(0)) revert InvalidToken();
    s_upkeep[id] = upkeep;
    s_upkeepAdmin[id] = admin;
    s_checkData[id] = checkData;
    s_reserveAmounts[upkeep.billingToken] = s_reserveAmounts[upkeep.billingToken] + upkeep.balance;
    s_upkeepTriggerConfig[id] = triggerConfig;
    s_upkeepOffchainConfig[id] = offchainConfig;
    s_upkeepIDs.add(id);
  }

  /**
   * @dev creates an ID for the upkeep based on the upkeep's type
   * @dev the format of the ID looks like this:
   * ****00000000000X****************
   * 4 bytes of entropy
   * 11 bytes of zeros
   * 1 identifying byte for the trigger type
   * 16 bytes of entropy
   * @dev this maintains the same level of entropy as eth addresses, so IDs will still be unique
   * @dev we add the "identifying" part in the middle so that it is mostly hidden from users who usually only
   * see the first 4 and last 4 hex values ex 0x1234...ABCD
   */
  function _createID(Trigger triggerType) internal view returns (uint256) {
    bytes1 empty;
    IChainModule chainModule = s_hotVars.chainModule;
    bytes memory idBytes = abi.encodePacked(
      keccak256(abi.encode(chainModule.blockHash((chainModule.blockNumber() - 1)), address(this), s_storage.nonce))
    );
    for (uint256 idx = 4; idx < 15; idx++) {
      idBytes[idx] = empty;
    }
    idBytes[15] = bytes1(uint8(triggerType));
    return uint256(bytes32(idBytes));
  }

  /**
   * @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 linkUSD, uint256 nativeUSD) {
    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_linkUSDFeed.latestRoundData();
    if (
      feedValue <= 0 || block.timestamp < timestamp || (staleFallback && stalenessSeconds < block.timestamp - timestamp)
    ) {
      linkUSD = s_fallbackLinkPrice;
    } else {
      linkUSD = uint256(feedValue);
    }
    return (gasWei, linkUSD, _getNativeUSD(hotVars));
  }

  /**
   * @dev this price has it's own getter for use in the transmit() hot path
   * in the future, all price data should be included in the report instead of
   * getting read during execution
   */
  function _getNativeUSD(HotVars memory hotVars) internal view returns (uint256) {
    (, int256 feedValue, , uint256 timestamp, ) = i_nativeUSDFeed.latestRoundData();
    if (
      feedValue <= 0 ||
      block.timestamp < timestamp ||
      (hotVars.stalenessSeconds > 0 && hotVars.stalenessSeconds < block.timestamp - timestamp)
    ) {
      return s_fallbackNativePrice;
    } else {
      return uint256(feedValue);
    }
  }

  /**
   * @dev gets the price and billing params for a specific billing token
   */
  function _getBillingTokenPaymentParams(
    HotVars memory hotVars,
    IERC20 billingToken
  ) internal view returns (BillingTokenPaymentParams memory paymentParams) {
    BillingConfig storage config = s_billingConfigs[billingToken];
    paymentParams.flatFeeMilliCents = config.flatFeeMilliCents;
    paymentParams.gasFeePPB = config.gasFeePPB;
    paymentParams.decimals = config.decimals;
    (, int256 feedValue, , uint256 timestamp, ) = config.priceFeed.latestRoundData();
    if (
      feedValue <= 0 ||
      block.timestamp < timestamp ||
      (hotVars.stalenessSeconds > 0 && hotVars.stalenessSeconds < block.timestamp - timestamp)
    ) {
      paymentParams.priceUSD = config.fallbackPrice;
    } else {
      paymentParams.priceUSD = uint256(feedValue);
    }
    return paymentParams;
  }

  /**
   * @param hotVars the hot path variables
   * @param paymentParams the pricing data and gas usage data
   * @return receipt the receipt of payment with pricing breakdown
   * @dev use of PaymentParams struct is necessary to avoid stack too deep errors
   * @dev calculates LINK paid for gas spent plus a configure premium percentage
   * @dev 1 USD = 1e18 attoUSD
   * @dev 1 USD = 1e26 hexaicosaUSD (had to borrow this prefix from geometry because there is no metric prefix for 1e-26)
   * @dev 1 millicent = 1e-5 USD = 1e13 attoUSD
   */
  function _calculatePaymentAmount(
    HotVars memory hotVars,
    PaymentParams memory paymentParams
  ) internal view returns (PaymentReceipt memory receipt) {
    uint256 decimals = paymentParams.billingTokenParams.decimals;
    uint256 gasWei = paymentParams.fastGasWei * hotVars.gasCeilingMultiplier;
    // in case it's actual execution use actual gas price, capped by fastGasWei * gasCeilingMultiplier
    if (paymentParams.isTransaction && tx.gasprice < gasWei) {
      gasWei = tx.gasprice;
    }

    // scaling factor is based on decimals of billing token, and applies to premium and gasCharge
    uint256 numeratorScalingFactor = decimals > 18 ? 10 ** (decimals - 18) : 1;
    uint256 denominatorScalingFactor = decimals < 18 ? 10 ** (18 - decimals) : 1;

    // gas calculation
    uint256 gasPaymentHexaicosaUSD = (gasWei *
      (paymentParams.gasLimit + paymentParams.gasOverhead) +
      paymentParams.l1CostWei) * paymentParams.nativeUSD; // gasPaymentHexaicosaUSD has an extra 8 zeros because of decimals on nativeUSD feed
    // gasChargeInBillingToken is scaled by the billing token's decimals. Round up to ensure a minimum billing token is charged for gas
    receipt.gasChargeInBillingToken = SafeCast.toUint96(
      ((gasPaymentHexaicosaUSD * numeratorScalingFactor) +
        (paymentParams.billingTokenParams.priceUSD * denominatorScalingFactor - 1)) /
        (paymentParams.billingTokenParams.priceUSD * denominatorScalingFactor)
    );
    // 18 decimals: 26 decimals / 8 decimals
    receipt.gasReimbursementInJuels = SafeCast.toUint96(gasPaymentHexaicosaUSD / paymentParams.linkUSD);

    // premium calculation
    uint256 flatFeeHexaicosaUSD = uint256(paymentParams.billingTokenParams.flatFeeMilliCents) * 1e21; // 1e13 for milliCents to attoUSD and 1e8 for attoUSD to hexaicosaUSD
    uint256 premiumHexaicosaUSD = ((((gasWei * paymentParams.gasLimit) + paymentParams.l1CostWei) *
      paymentParams.billingTokenParams.gasFeePPB *
      paymentParams.nativeUSD) / 1e9) + flatFeeHexaicosaUSD;
    // premium is scaled by the billing token's decimals. Round up to ensure at least minimum charge
    receipt.premiumInBillingToken = SafeCast.toUint96(
      ((premiumHexaicosaUSD * numeratorScalingFactor) +
        (paymentParams.billingTokenParams.priceUSD * denominatorScalingFactor - 1)) /
        (paymentParams.billingTokenParams.priceUSD * denominatorScalingFactor)
    );
    receipt.premiumInJuels = SafeCast.toUint96(premiumHexaicosaUSD / paymentParams.linkUSD);

    receipt.billingToken = paymentParams.billingToken;
    receipt.linkUSD = SafeCast.toUint96(paymentParams.linkUSD);
    receipt.nativeUSD = SafeCast.toUint96(paymentParams.nativeUSD);
    receipt.billingUSD = SafeCast.toUint96(paymentParams.billingTokenParams.priceUSD);

    return receipt;
  }

  /**
   * @dev calculates the max payment for an upkeep. Called during checkUpkeep simulation and assumes
   * maximum gas overhead, L1 fee
   */
  function _getMaxPayment(
    uint256 upkeepId,
    HotVars memory hotVars,
    Trigger triggerType,
    uint32 performGas,
    uint256 fastGasWei,
    uint256 linkUSD,
    uint256 nativeUSD,
    IERC20 billingToken
  ) internal view returns (uint96) {
    uint256 maxL1Fee;
    uint256 maxGasOverhead;

    {
      if (triggerType == Trigger.CONDITION) {
        maxGasOverhead = REGISTRY_CONDITIONAL_OVERHEAD;
      } else if (triggerType == Trigger.LOG) {
        maxGasOverhead = REGISTRY_LOG_OVERHEAD;
      } else {
        revert InvalidTriggerType();
      }
      uint256 maxCalldataSize = s_storage.maxPerformDataSize +
        TRANSMIT_CALLDATA_FIXED_BYTES_OVERHEAD +
        (TRANSMIT_CALLDATA_PER_SIGNER_BYTES_OVERHEAD * (hotVars.f + 1));
      (uint256 chainModuleFixedOverhead, uint256 chainModulePerByteOverhead) = s_hotVars.chainModule.getGasOverhead();
      maxGasOverhead +=
        (REGISTRY_PER_SIGNER_GAS_OVERHEAD * (hotVars.f + 1)) +
        ((REGISTRY_PER_PERFORM_BYTE_GAS_OVERHEAD + chainModulePerByteOverhead) * maxCalldataSize) +
        chainModuleFixedOverhead;
      maxL1Fee = hotVars.gasCeilingMultiplier * hotVars.chainModule.getMaxL1Fee(maxCalldataSize);
    }

    BillingTokenPaymentParams memory paymentParams = _getBillingTokenPaymentParams(hotVars, billingToken);
    if (s_upkeep[upkeepId].overridesEnabled) {
      BillingOverrides memory billingOverrides = s_billingOverrides[upkeepId];
      // use the overridden configs
      paymentParams.gasFeePPB = billingOverrides.gasFeePPB;
      paymentParams.flatFeeMilliCents = billingOverrides.flatFeeMilliCents;
    }

    PaymentReceipt memory receipt = _calculatePaymentAmount(
      hotVars,
      PaymentParams({
        gasLimit: performGas,
        gasOverhead: maxGasOverhead,
        l1CostWei: maxL1Fee,
        fastGasWei: fastGasWei,
        linkUSD: linkUSD,
        nativeUSD: nativeUSD,
        billingToken: billingToken,
        billingTokenParams: paymentParams,
        isTransaction: false
      })
    );

    return receipt.gasChargeInBillingToken + receipt.premiumInBillingToken;
  }

  /**
   * @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];

    if (transmitter.active) {
      uint96 uncollected = totalPremium - transmitter.lastCollected;
      uint96 due = uncollected / payeeCount;
      transmitter.balance += due;
      transmitter.lastCollected += due * payeeCount;
      s_transmitters[transmitterAddress] = transmitter;
    }

    return transmitter.balance;
  }

  /**
   * @dev gets the trigger type from an upkeepID (trigger type is encoded in the middle of the ID)
   */
  function _getTriggerType(uint256 upkeepId) internal pure returns (Trigger) {
    bytes32 rawID = bytes32(upkeepId);
    bytes1 empty = bytes1(0);
    for (uint256 idx = 4; idx < 15; idx++) {
      if (rawID[idx] != empty) {
        // old IDs that were created before this standard and migrated to this registry
        return Trigger.CONDITION;
      }
    }
    return Trigger(uint8(rawID[15]));
  }

  function _checkPayload(
    uint256 upkeepId,
    Trigger triggerType,
    bytes memory triggerData
  ) internal view returns (bytes memory) {
    if (triggerType == Trigger.CONDITION) {
      return abi.encodeWithSelector(CHECK_SELECTOR, s_checkData[upkeepId]);
    } else if (triggerType == Trigger.LOG) {
      Log memory log = abi.decode(triggerData, (Log));
      return abi.encodeWithSelector(CHECK_LOG_SELECTOR, log, s_checkData[upkeepId]);
    }
    revert InvalidTriggerType();
  }

  /**
   * @dev _decodeReport decodes a serialized report into a Report struct
   */
  function _decodeReport(bytes calldata rawReport) internal pure returns (Report memory) {
    Report memory report = abi.decode(rawReport, (Report));
    uint256 expectedLength = report.upkeepIds.length;
    if (
      report.gasLimits.length != expectedLength ||
      report.triggers.length != expectedLength ||
      report.performDatas.length != expectedLength
    ) {
      revert InvalidReport();
    }
    return report;
  }

  /**
   * @dev Does some early sanity checks before actually performing an upkeep
   * @return bool whether the upkeep should be performed
   * @return bytes32 dedupID for preventing duplicate performances of this trigger
   */
  function _prePerformChecks(
    uint256 upkeepId,
    uint256 blocknumber,
    bytes memory rawTrigger,
    UpkeepTransmitInfo memory transmitInfo,
    HotVars memory hotVars
  ) internal returns (bool, bytes32) {
    bytes32 dedupID;
    if (transmitInfo.triggerType == Trigger.CONDITION) {
      if (!_validateConditionalTrigger(upkeepId, blocknumber, rawTrigger, transmitInfo, hotVars))
        return (false, dedupID);
    } else if (transmitInfo.triggerType == Trigger.LOG) {
      bool valid;
      (valid, dedupID) = _validateLogTrigger(upkeepId, blocknumber, rawTrigger, hotVars);
      if (!valid) return (false, dedupID);
    } else {
      revert InvalidTriggerType();
    }
    if (transmitInfo.upkeep.maxValidBlocknumber <= blocknumber) {
      // 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, rawTrigger);
      return (false, dedupID);
    }
    return (true, dedupID);
  }

  /**
   * @dev Does some early sanity checks before actually performing an upkeep
   */
  function _validateConditionalTrigger(
    uint256 upkeepId,
    uint256 blocknumber,
    bytes memory rawTrigger,
    UpkeepTransmitInfo memory transmitInfo,
    HotVars memory hotVars
  ) internal returns (bool) {
    ConditionalTrigger memory trigger = abi.decode(rawTrigger, (ConditionalTrigger));
    if (trigger.blockNum < transmitInfo.upkeep.lastPerformedBlockNumber) {
      // Can happen when another report performed this upkeep after this report was generated
      emit StaleUpkeepReport(upkeepId, rawTrigger);
      return false;
    }
    if (
      (hotVars.reorgProtectionEnabled &&
        (trigger.blockHash != bytes32("") && hotVars.chainModule.blockHash(trigger.blockNum) != trigger.blockHash)) ||
      trigger.blockNum >= blocknumber
    ) {
      // There are two cases of reorged report
      // 1. trigger block number is in future: this is an edge case during extreme deep reorgs of chain
      // which is always protected against
      // 2. blockHash at trigger block number was same as trigger time. This is an optional check which is
      // applied if DON sends non empty trigger.blockHash. Note: It only works for last 256 blocks on chain
      // when it is sent
      emit ReorgedUpkeepReport(upkeepId, rawTrigger);
      return false;
    }
    return true;
  }

  function _validateLogTrigger(
    uint256 upkeepId,
    uint256 blocknumber,
    bytes memory rawTrigger,
    HotVars memory hotVars
  ) internal returns (bool, bytes32) {
    LogTrigger memory trigger = abi.decode(rawTrigger, (LogTrigger));
    bytes32 dedupID = keccak256(abi.encodePacked(upkeepId, trigger.logBlockHash, trigger.txHash, trigger.logIndex));
    if (
      (hotVars.reorgProtectionEnabled &&
        (trigger.blockHash != bytes32("") && hotVars.chainModule.blockHash(trigger.blockNum) != trigger.blockHash)) ||
      trigger.blockNum >= blocknumber
    ) {
      // Reorg protection is same as conditional trigger upkeeps
      emit ReorgedUpkeepReport(upkeepId, rawTrigger);
      return (false, dedupID);
    }
    if (s_dedupKeys[dedupID]) {
      emit StaleUpkeepReport(upkeepId, rawTrigger);
      return (false, dedupID);
    }
    return (true, dedupID);
  }

  /**
   * @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 updates a storage marker for this upkeep to prevent duplicate and out of order performances
   * @dev for conditional triggers we set the latest block number, for log triggers we store a dedupID
   */
  function _updateTriggerMarker(
    uint256 upkeepID,
    uint256 blocknumber,
    UpkeepTransmitInfo memory upkeepTransmitInfo
  ) internal {
    if (upkeepTransmitInfo.triggerType == Trigger.CONDITION) {
      s_upkeep[upkeepID].lastPerformedBlockNumber = uint32(blocknumber);
    } else if (upkeepTransmitInfo.triggerType == Trigger.LOG) {
      s_dedupKeys[upkeepTransmitInfo.dedupID] = true;
      emit DedupKeyAdded(upkeepTransmitInfo.dedupID);
    }
  }

  /**
   * @dev calls the Upkeep target with the performData param passed in by the
   * transmitter and the exact gas required by the Upkeep
   */
  function _performUpkeep(
    IAutomationForwarder forwarder,
    uint256 performGas,
    bytes memory performData
  ) internal nonReentrant returns (bool success, uint256 gasUsed) {
    performData = abi.encodeWithSelector(PERFORM_SELECTOR, performData);
    return forwarder.forward(performGas, performData);
  }

  /**
   * @dev handles the payment processing after an upkeep has been performed.
   * Deducts an upkeep's balance and increases the amount spent.
   */
  function _handlePayment(
    HotVars memory hotVars,
    PaymentParams memory paymentParams,
    uint256 upkeepId,
    Upkeep memory upkeep
  ) internal returns (PaymentReceipt memory) {
    if (upkeep.overridesEnabled) {
      BillingOverrides memory billingOverrides = s_billingOverrides[upkeepId];
      // use the overridden configs
      paymentParams.billingTokenParams.gasFeePPB = billingOverrides.gasFeePPB;
      paymentParams.billingTokenParams.flatFeeMilliCents = billingOverrides.flatFeeMilliCents;
    }

    PaymentReceipt memory receipt = _calculatePaymentAmount(hotVars, paymentParams);

    // balance is in the token's native decimals
    uint96 balance = upkeep.balance;
    // payment is in the token's native decimals
    uint96 payment = receipt.gasChargeInBillingToken + receipt.premiumInBillingToken;

    // scaling factors to adjust decimals between billing token and LINK
    uint256 decimals = paymentParams.billingTokenParams.decimals;
    uint256 scalingFactor1 = decimals < 18 ? 10 ** (18 - decimals) : 1;
    uint256 scalingFactor2 = decimals > 18 ? 10 ** (decimals - 18) : 1;

    // this shouldn't happen, but in rare edge cases, we charge the full balance in case the user
    // can't cover the amount owed
    if (balance < receipt.gasChargeInBillingToken) {
      // if the user can't cover the gas fee, then direct all of the payment to the transmitter and distribute no premium to the DON
      payment = balance;
      receipt.gasReimbursementInJuels = SafeCast.toUint96(
        (balance * paymentParams.billingTokenParams.priceUSD * scalingFactor1) /
          (paymentParams.linkUSD * scalingFactor2)
      );
      receipt.premiumInJuels = 0;
      receipt.premiumInBillingToken = 0;
      receipt.gasChargeInBillingToken = balance;
    } else if (balance < payment) {
      // if the user can cover the gas fee, but not the premium, then reduce the premium
      payment = balance;
      receipt.premiumInJuels = SafeCast.toUint96(
        ((balance * paymentParams.billingTokenParams.priceUSD * scalingFactor1) /
          (paymentParams.linkUSD * scalingFactor2)) - receipt.gasReimbursementInJuels
      );
      // round up
      receipt.premiumInBillingToken = SafeCast.toUint96(
        ((receipt.premiumInJuels * paymentParams.linkUSD * scalingFactor2) +
          (paymentParams.billingTokenParams.priceUSD * scalingFactor1 - 1)) /
          (paymentParams.billingTokenParams.priceUSD * scalingFactor1)
      );
    }

    s_upkeep[upkeepId].balance -= payment;
    s_upkeep[upkeepId].amountSpent += payment;
    s_reserveAmounts[paymentParams.billingToken] -= payment;

    emit UpkeepCharged(upkeepId, receipt);
    return receipt;
  }

  /**
   * @dev ensures the upkeep is not cancelled and the caller is the upkeep admin
   */
  function _requireAdminAndNotCancelled(uint256 upkeepId) internal view {
    if (msg.sender != s_upkeepAdmin[upkeepId]) revert OnlyCallableByAdmin();
    if (s_upkeep[upkeepId].maxValidBlocknumber != UINT32_MAX) revert UpkeepCancelled();
  }

  /**
   * @dev 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;
  }

  /**
   * @notice only allows a pre-configured address to initiate offchain read
   */
  function _preventExecution() internal view {
    // solhint-disable-next-line avoid-tx-origin
    if (tx.origin != i_allowedReadOnlyAddress) {
      revert OnlySimulatedBackend();
    }
  }

  /**
   * @notice only allows finance admin to call the function
   */
  function _onlyFinanceAdminAllowed() internal view {
    if (msg.sender != s_storage.financeAdmin) {
      revert OnlyFinanceAdmin();
    }
  }

  /**
   * @notice only allows privilege manager to call the function
   */
  function _onlyPrivilegeManagerAllowed() internal view {
    if (msg.sender != s_storage.upkeepPrivilegeManager) {
      revert OnlyCallableByUpkeepPrivilegeManager();
    }
  }

  /**
   * @notice sets billing configuration for a token
   * @param billingTokens the addresses of tokens
   * @param billingConfigs the configs for tokens
   */
  function _setBillingConfig(IERC20[] memory billingTokens, BillingConfig[] memory billingConfigs) internal {
    // Clear existing data
    for (uint256 i = 0; i < s_billingTokens.length; i++) {
      delete s_billingConfigs[s_billingTokens[i]];
    }
    delete s_billingTokens;

    PayoutMode mode = s_payoutMode;
    for (uint256 i = 0; i < billingTokens.length; i++) {
      IERC20 token = billingTokens[i];
      BillingConfig memory config = billingConfigs[i];

      // most ERC20 tokens are 18 decimals, priceFeed must be 8 decimals
      if (config.decimals != token.decimals() || config.priceFeed.decimals() != 8) {
        revert InvalidToken();
      }

      // if LINK is a billing option, payout mode must be ON_CHAIN
      if (address(token) == address(i_link) && mode == PayoutMode.OFF_CHAIN) {
        revert InvalidToken();
      }
      if (address(token) == ZERO_ADDRESS || address(config.priceFeed) == ZERO_ADDRESS) {
        revert ZeroAddressNotAllowed();
      }

      // if this is a new token, add it to tokens list. Otherwise revert
      if (address(s_billingConfigs[token].priceFeed) != ZERO_ADDRESS) {
        revert DuplicateEntry();
      }
      s_billingTokens.push(token);

      // update the billing config for an existing token or add a new one
      s_billingConfigs[token] = config;

      emit BillingConfigSet(token, config);
    }
  }

  /**
   * @notice updates the signers and transmitters lists
   */
  function _updateTransmitters(address[] memory signers, address[] memory transmitters) internal {
    uint96 transmittersListLength = uint96(s_transmittersList.length);
    uint96 totalPremium = s_hotVars.totalPremium;

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

    // remove any old signer/transmitter addresses
    address transmitterAddress;
    PayoutMode mode = s_payoutMode;
    for (uint256 i = 0; i < s_transmittersList.length; i++) {
      transmitterAddress = s_transmittersList[i];
      delete s_signers[s_signersList[i]];
      // Do not delete the whole transmitter struct as it has balance information stored
      s_transmitters[transmitterAddress].active = false;
      if (mode == PayoutMode.OFF_CHAIN && s_transmitters[transmitterAddress].balance > 0) {
        s_deactivatedTransmitters.add(transmitterAddress);
      }
    }
    delete s_signersList;
    delete s_transmittersList;

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

      transmitterAddress = transmitters[i];
      if (transmitterAddress == ZERO_ADDRESS) revert InvalidTransmitter();
      transmitter = s_transmitters[transmitterAddress];
      if (transmitter.active) revert RepeatedTransmitter();
      transmitter.active = true;
      transmitter.index = uint8(i);
      // new transmitters start afresh from current totalPremium
      // some spare change of premium from previous pool will be forfeited
      transmitter.lastCollected = s_hotVars.totalPremium;
      s_transmitters[transmitterAddress] = transmitter;
      if (mode == PayoutMode.OFF_CHAIN) {
        s_deactivatedTransmitters.remove(transmitterAddress);
      }
    }

    s_signersList = signers;
    s_transmittersList = transmitters;
  }

  /**
   * @notice returns the size of the LINK liquidity pool
   # @dev LINK max supply < 2^96, so casting to int256 is safe
   */
  function _linkAvailableForPayment() internal view returns (int256) {
    return int256(i_link.balanceOf(address(this))) - int256(s_reserveAmounts[IERC20(address(i_link))]);
  }
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.19;

import {EnumerableSet} from "../../vendor/openzeppelin-solidity/v4.7.3/contracts/utils/structs/EnumerableSet.sol";
import {Address} from "../../vendor/openzeppelin-solidity/v4.7.3/contracts/utils/Address.sol";
import {AutomationRegistryBase2_3} from "./AutomationRegistryBase2_3.sol";
import {AutomationRegistryLogicC2_3} from "./AutomationRegistryLogicC2_3.sol";
import {AutomationRegistryLogicB2_3} from "./AutomationRegistryLogicB2_3.sol";
import {Chainable} from "../Chainable.sol";
import {AutomationForwarder} from "../AutomationForwarder.sol";
import {IAutomationForwarder} from "../interfaces/IAutomationForwarder.sol";
import {UpkeepTranscoderInterfaceV2} from "../interfaces/UpkeepTranscoderInterfaceV2.sol";
import {MigratableKeeperRegistryInterfaceV2} from "../interfaces/MigratableKeeperRegistryInterfaceV2.sol";
import {IERC20Metadata as IERC20} from "../../vendor/openzeppelin-solidity/v4.8.3/contracts/token/ERC20/extensions/IERC20Metadata.sol";
import {SafeERC20} from "../../vendor/openzeppelin-solidity/v4.8.3/contracts/token/ERC20/utils/SafeERC20.sol";
import {IERC677Receiver} from "../../shared/interfaces/IERC677Receiver.sol";

/**
 * @notice Logic contract, works in tandem with AutomationRegistry as a proxy
 */
contract AutomationRegistryLogicA2_3 is AutomationRegistryBase2_3, Chainable, IERC677Receiver {
  using Address for address;
  using EnumerableSet for EnumerableSet.UintSet;
  using EnumerableSet for EnumerableSet.AddressSet;
  using SafeERC20 for IERC20;

  /**
   * @param logicB the address of the second logic contract
   * @dev we cast the contract to logicC in order to call logicC functions (via fallback)
   */
  constructor(
    AutomationRegistryLogicB2_3 logicB
  )
    AutomationRegistryBase2_3(
      AutomationRegistryLogicC2_3(address(logicB)).getLinkAddress(),
      AutomationRegistryLogicC2_3(address(logicB)).getLinkUSDFeedAddress(),
      AutomationRegistryLogicC2_3(address(logicB)).getNativeUSDFeedAddress(),
      AutomationRegistryLogicC2_3(address(logicB)).getFastGasFeedAddress(),
      AutomationRegistryLogicC2_3(address(logicB)).getAutomationForwarderLogic(),
      AutomationRegistryLogicC2_3(address(logicB)).getAllowedReadOnlyAddress(),
      AutomationRegistryLogicC2_3(address(logicB)).getPayoutMode(),
      AutomationRegistryLogicC2_3(address(logicB)).getWrappedNativeTokenAddress()
    )
    Chainable(address(logicB))
  {}

  /**
   * @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();
    if (address(s_upkeep[id].billingToken) != address(i_link)) revert InvalidToken();
    s_upkeep[id].balance = s_upkeep[id].balance + uint96(amount);
    s_reserveAmounts[IERC20(address(i_link))] = s_reserveAmounts[IERC20(address(i_link))] + amount;
    emit FundsAdded(id, sender, uint96(amount));
  }

  // ================================================================
  // |                      UPKEEP MANAGEMENT                       |
  // ================================================================

  /**
   * @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 triggerType the trigger for the upkeep
   * @param billingToken the billing token for the upkeep
   * @param checkData data passed to the contract when checking for upkeep
   * @param triggerConfig the config for the trigger
   * @param offchainConfig arbitrary offchain config for the upkeep
   */
  function registerUpkeep(
    address target,
    uint32 gasLimit,
    address admin,
    Trigger triggerType,
    IERC20 billingToken,
    bytes calldata checkData,
    bytes memory triggerConfig,
    bytes memory offchainConfig
  ) public returns (uint256 id) {
    if (msg.sender != owner() && !s_registrars.contains(msg.sender)) revert OnlyCallableByOwnerOrRegistrar();
    if (!target.isContract()) revert NotAContract();
    id = _createID(triggerType);
    IAutomationForwarder forwarder = IAutomationForwarder(
      address(new AutomationForwarder(target, address(this), i_automationForwarderLogic))
    );
    _createUpkeep(
      id,
      Upkeep({
        overridesEnabled: false,
        performGas: gasLimit,
        balance: 0,
        maxValidBlocknumber: UINT32_MAX,
        lastPerformedBlockNumber: 0,
        amountSpent: 0,
        paused: false,
        forwarder: forwarder,
        billingToken: billingToken
      }),
      admin,
      checkData,
      triggerConfig,
      offchainConfig
    );
    s_storage.nonce++;
    emit UpkeepRegistered(id, gasLimit, admin);
    emit UpkeepCheckDataSet(id, checkData);
    emit UpkeepTriggerConfigSet(id, triggerConfig);
    emit UpkeepOffchainConfigSet(id, offchainConfig);
    return (id);
  }

  /**
   * @notice cancels an upkeep
   * @param id the upkeepID to cancel
   * @dev if a user cancels an upkeep, their funds are locked for CANCELLATION_DELAY blocks to
   * allow any pending performUpkeep txs time to get confirmed
   */
  function cancelUpkeep(uint256 id) external {
    Upkeep memory upkeep = s_upkeep[id];
    bool isOwner = msg.sender == owner();
    uint96 minSpend = s_billingConfigs[upkeep.billingToken].minSpend;

    uint256 height = s_hotVars.chainModule.blockNumber();
    if (upkeep.maxValidBlocknumber == 0) revert CannotCancel();
    if (upkeep.maxValidBlocknumber != UINT32_MAX) revert UpkeepCancelled();
    if (!isOwner && msg.sender != s_upkeepAdmin[id]) revert OnlyCallableByOwnerOrAdmin();

    if (!isOwner) {
      height = height + CANCELLATION_DELAY;
    }
    s_upkeep[id].maxValidBlocknumber = uint32(height);
    s_upkeepIDs.remove(id);

    // charge the cancellation fee if the minSpend is not met
    uint96 cancellationFee = 0;
    // cancellationFee is min(max(minSpend - amountSpent, 0), amountLeft)
    if (upkeep.amountSpent < minSpend) {
      cancellationFee = minSpend - uint96(upkeep.amountSpent);
      if (cancellationFee > upkeep.balance) {
        cancellationFee = upkeep.balance;
      }
    }
    s_upkeep[id].balance = upkeep.balance - cancellationFee;
    s_reserveAmounts[upkeep.billingToken] = s_reserveAmounts[upkeep.billingToken] - cancellationFee;

    emit UpkeepCanceled(id, uint64(height));
  }

  /**
   * @notice migrates upkeeps from one registry to another.
   * @param ids the upkeepIDs to migrate
   * @param destination the destination registry address
   * @dev a transcoder must be set in order to enable migration
   * @dev migration permissions must be set on *both* sending and receiving registries
   * @dev only an upkeep admin can migrate their upkeeps
   * @dev this function is most gas-efficient if upkeepIDs are sorted by billing token
   * @dev s_billingOverrides and s_upkeepPrivilegeConfig are not migrated in this function
   */
  function migrateUpkeeps(uint256[] calldata ids, address destination) external {
    if (
      s_peerRegistryMigrationPermission[destination] != MigrationPermission.OUTGOING &&
      s_peerRegistryMigrationPermission[destination] != MigrationPermission.BIDIRECTIONAL
    ) revert MigrationNotPermitted();
    if (s_storage.transcoder == ZERO_ADDRESS) revert TranscoderNotSet();
    if (ids.length == 0) revert ArrayHasNoEntries();

    IERC20 billingToken;
    uint256 balanceToTransfer;
    uint256 id;
    Upkeep memory upkeep;
    address[] memory admins = new address[](ids.length);
    Upkeep[] memory upkeeps = new Upkeep[](ids.length);
    bytes[] memory checkDatas = new bytes[](ids.length);
    bytes[] memory triggerConfigs = new bytes[](ids.length);
    bytes[] memory offchainConfigs = new bytes[](ids.length);

    for (uint256 idx = 0; idx < ids.length; idx++) {
      id = ids[idx];
      upkeep = s_upkeep[id];

      if (idx == 0) {
        billingToken = upkeep.billingToken;
        balanceToTransfer = upkeep.balance;
      }

      // if we encounter a new billing token, send the sum from the last billing token to the destination registry
      if (upkeep.billingToken != billingToken) {
        s_reserveAmounts[billingToken] = s_reserveAmounts[billingToken] - balanceToTransfer;
        billingToken.safeTransfer(destination, balanceToTransfer);
        billingToken = upkeep.billingToken;
        balanceToTransfer = upkeep.balance;
      } else if (idx != 0) {
        balanceToTransfer += upkeep.balance;
      }

      _requireAdminAndNotCancelled(id);
      upkeep.forwarder.updateRegistry(destination);

      upkeeps[idx] = upkeep;
      admins[idx] = s_upkeepAdmin[id];
      checkDatas[idx] = s_checkData[id];
      triggerConfigs[idx] = s_upkeepTriggerConfig[id];
      offchainConfigs[idx] = s_upkeepOffchainConfig[id];
      delete s_upkeep[id];
      delete s_checkData[id];
      delete s_upkeepTriggerConfig[id];
      delete s_upkeepOffchainConfig[id];
      // nullify existing proposed admin change if an upkeep is being migrated
      delete s_proposedAdmin[id];
      delete s_upkeepAdmin[id];
      s_upkeepIDs.remove(id);
      emit UpkeepMigrated(id, upkeep.balance, destination);
    }
    // always transfer the rolling sum in the end
    s_reserveAmounts[billingToken] = s_reserveAmounts[billingToken] - balanceToTransfer;
    billingToken.safeTransfer(destination, balanceToTransfer);

    bytes memory encodedUpkeeps = abi.encode(
      ids,
      upkeeps,
      new address[](ids.length),
      admins,
      checkDatas,
      triggerConfigs,
      offchainConfigs
    );
    MigratableKeeperRegistryInterfaceV2(destination).receiveUpkeeps(
      UpkeepTranscoderInterfaceV2(s_storage.transcoder).transcodeUpkeeps(
        UPKEEP_VERSION_BASE,
        MigratableKeeperRegistryInterfaceV2(destination).upkeepVersion(),
        encodedUpkeeps
      )
    );
  }

  /**
   * @notice received upkeeps migrated from another registry
   * @param encodedUpkeeps the raw upkeep data to import
   * @dev this function is never called directly, it is only called by another registry's migrate function
   * @dev s_billingOverrides and s_upkeepPrivilegeConfig are not handled in this function
   */
  function receiveUpkeeps(bytes calldata encodedUpkeeps) external {
    if (
      s_peerRegistryMigrationPermission[msg.sender] != MigrationPermission.INCOMING &&
      s_peerRegistryMigrationPermission[msg.sender] != MigrationPermission.BIDIRECTIONAL
    ) revert MigrationNotPermitted();
    (
      uint256[] memory ids,
      Upkeep[] memory upkeeps,
      address[] memory targets,
      address[] memory upkeepAdmins,
      bytes[] memory checkDatas,
      bytes[] memory triggerConfigs,
      bytes[] memory offchainConfigs
    ) = abi.decode(encodedUpkeeps, (uint256[], Upkeep[], address[], address[], bytes[], bytes[], bytes[]));
    for (uint256 idx = 0; idx < ids.length; idx++) {
      if (address(upkeeps[idx].forwarder) == ZERO_ADDRESS) {
        upkeeps[idx].forwarder = IAutomationForwarder(
          address(new AutomationForwarder(targets[idx], address(this), i_automationForwarderLogic))
        );
      }
      _createUpkeep(
        ids[idx],
        upkeeps[idx],
        upkeepAdmins[idx],
        checkDatas[idx],
        triggerConfigs[idx],
        offchainConfigs[idx]
      );
      emit UpkeepReceived(ids[idx], upkeeps[idx].balance, msg.sender);
    }
  }
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.19;

import {AutomationRegistryBase2_3} from "./AutomationRegistryBase2_3.sol";
import {EnumerableSet} from "../../vendor/openzeppelin-solidity/v4.7.3/contracts/utils/structs/EnumerableSet.sol";
import {Address} from "../../vendor/openzeppelin-solidity/v4.7.3/contracts/utils/Address.sol";
import {AutomationRegistryLogicC2_3} from "./AutomationRegistryLogicC2_3.sol";
import {Chainable} from "../Chainable.sol";
import {IERC20Metadata as IERC20} from "../../vendor/openzeppelin-solidity/v4.8.3/contracts/token/ERC20/extensions/IERC20Metadata.sol";
import {SafeERC20} from "../../vendor/openzeppelin-solidity/v4.8.3/contracts/token/ERC20/utils/SafeERC20.sol";
import {SafeCast} from "../../vendor/openzeppelin-solidity/v4.8.3/contracts/utils/math/SafeCast.sol";

contract AutomationRegistryLogicB2_3 is AutomationRegistryBase2_3, Chainable {
  using Address for address;
  using EnumerableSet for EnumerableSet.UintSet;
  using EnumerableSet for EnumerableSet.AddressSet;
  using SafeERC20 for IERC20;

  /**
   * @param logicC the address of the third logic contract
   */
  constructor(
    AutomationRegistryLogicC2_3 logicC
  )
    AutomationRegistryBase2_3(
      logicC.getLinkAddress(),
      logicC.getLinkUSDFeedAddress(),
      logicC.getNativeUSDFeedAddress(),
      logicC.getFastGasFeedAddress(),
      logicC.getAutomationForwarderLogic(),
      logicC.getAllowedReadOnlyAddress(),
      logicC.getPayoutMode(),
      logicC.getWrappedNativeTokenAddress()
    )
    Chainable(address(logicC))
  {}

  // ================================================================
  // |                      PIPELINE FUNCTIONS                      |
  // ================================================================

  /**
   * @notice called by the automation DON to check if work is needed
   * @param id the upkeep ID to check for work needed
   * @param triggerData extra contextual data about the trigger (not used in all code paths)
   * @dev this one of the core functions called in the hot path
   * @dev there is a 2nd checkUpkeep function (below) that is being maintained for backwards compatibility
   * @dev there is an incongruency on what gets returned during failure modes
   * ex sometimes we include price data, sometimes we omit it depending on the failure
   */
  function checkUpkeep(
    uint256 id,
    bytes memory triggerData
  )
    public
    returns (
      bool upkeepNeeded,
      bytes memory performData,
      UpkeepFailureReason upkeepFailureReason,
      uint256 gasUsed,
      uint256 gasLimit,
      uint256 fastGasWei,
      uint256 linkUSD
    )
  {
    _preventExecution();

    Trigger triggerType = _getTriggerType(id);
    HotVars memory hotVars = s_hotVars;
    Upkeep memory upkeep = s_upkeep[id];

    {
      uint256 nativeUSD;
      uint96 maxPayment;
      if (hotVars.paused) return (false, bytes(""), UpkeepFailureReason.REGISTRY_PAUSED, 0, upkeep.performGas, 0, 0);
      if (upkeep.maxValidBlocknumber != UINT32_MAX)
        return (false, bytes(""), UpkeepFailureReason.UPKEEP_CANCELLED, 0, upkeep.performGas, 0, 0);
      if (upkeep.paused) return (false, bytes(""), UpkeepFailureReason.UPKEEP_PAUSED, 0, upkeep.performGas, 0, 0);
      (fastGasWei, linkUSD, nativeUSD) = _getFeedData(hotVars);
      maxPayment = _getMaxPayment(
        id,
        hotVars,
        triggerType,
        upkeep.performGas,
        fastGasWei,
        linkUSD,
        nativeUSD,
        upkeep.billingToken
      );
      if (upkeep.balance < maxPayment) {
        return (false, bytes(""), UpkeepFailureReason.INSUFFICIENT_BALANCE, 0, upkeep.performGas, 0, 0);
      }
    }

    bytes memory callData = _checkPayload(id, triggerType, triggerData);

    gasUsed = gasleft();
    // solhint-disable-next-line avoid-low-level-calls
    (bool success, bytes memory result) = upkeep.forwarder.getTarget().call{gas: s_storage.checkGasLimit}(callData);
    gasUsed = gasUsed - gasleft();

    if (!success) {
      // User's target check reverted. We capture the revert data here and pass it within performData
      if (result.length > s_storage.maxRevertDataSize) {
        return (
          false,
          bytes(""),
          UpkeepFailureReason.REVERT_DATA_EXCEEDS_LIMIT,
          gasUsed,
          upkeep.performGas,
          fastGasWei,
          linkUSD
        );
      }
      return (
        upkeepNeeded,
        result,
        UpkeepFailureReason.TARGET_CHECK_REVERTED,
        gasUsed,
        upkeep.performGas,
        fastGasWei,
        linkUSD
      );
    }

    (upkeepNeeded, performData) = abi.decode(result, (bool, bytes));
    if (!upkeepNeeded)
      return (false, bytes(""), UpkeepFailureReason.UPKEEP_NOT_NEEDED, gasUsed, upkeep.performGas, fastGasWei, linkUSD);

    if (performData.length > s_storage.maxPerformDataSize)
      return (
        false,
        bytes(""),
        UpkeepFailureReason.PERFORM_DATA_EXCEEDS_LIMIT,
        gasUsed,
        upkeep.performGas,
        fastGasWei,
        linkUSD
      );

    return (upkeepNeeded, performData, upkeepFailureReason, gasUsed, upkeep.performGas, fastGasWei, linkUSD);
  }

  /**
   * @notice see other checkUpkeep function for description
   * @dev this function may be deprecated in a future version of chainlink automation
   */
  function checkUpkeep(
    uint256 id
  )
    external
    returns (
      bool upkeepNeeded,
      bytes memory performData,
      UpkeepFailureReason upkeepFailureReason,
      uint256 gasUsed,
      uint256 gasLimit,
      uint256 fastGasWei,
      uint256 linkUSD
    )
  {
    return checkUpkeep(id, bytes(""));
  }

  /**
   * @dev checkCallback is used specifically for automation data streams lookups (see StreamsLookupCompatibleInterface.sol)
   * @param id the upkeepID to execute a callback for
   * @param values the values returned from the data streams lookup
   * @param extraData the user-provided extra context data
   */
  function checkCallback(
    uint256 id,
    bytes[] memory values,
    bytes calldata extraData
  )
    external
    returns (bool upkeepNeeded, bytes memory performData, UpkeepFailureReason upkeepFailureReason, uint256 gasUsed)
  {
    bytes memory payload = abi.encodeWithSelector(CHECK_CALLBACK_SELECTOR, values, extraData);
    return executeCallback(id, payload);
  }

  /**
   * @notice this is a generic callback executor that forwards a call to a user's contract with the configured
   * gas limit
   * @param id the upkeepID to execute a callback for
   * @param payload the data (including function selector) to call on the upkeep target contract
   */
  function executeCallback(
    uint256 id,
    bytes memory payload
  )
    public
    returns (bool upkeepNeeded, bytes memory performData, UpkeepFailureReason upkeepFailureReason, uint256 gasUsed)
  {
    _preventExecution();

    Upkeep memory upkeep = s_upkeep[id];
    gasUsed = gasleft();
    // solhint-disable-next-line avoid-low-level-calls
    (bool success, bytes memory result) = upkeep.forwarder.getTarget().call{gas: s_storage.checkGasLimit}(payload);
    gasUsed = gasUsed - gasleft();
    if (!success) {
      return (false, bytes(""), UpkeepFailureReason.CALLBACK_REVERTED, gasUsed);
    }
    (upkeepNeeded, performData) = abi.decode(result, (bool, bytes));
    if (!upkeepNeeded) {
      return (false, bytes(""), UpkeepFailureReason.UPKEEP_NOT_NEEDED, gasUsed);
    }
    if (performData.length > s_storage.maxPerformDataSize) {
      return (false, bytes(""), UpkeepFailureReason.PERFORM_DATA_EXCEEDS_LIMIT, gasUsed);
    }
    return (upkeepNeeded, performData, upkeepFailureReason, gasUsed);
  }

  /**
   * @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.
   * @return success whether the call reverted or not
   * @return gasUsed the amount of gas the target contract consumed
   */
  function simulatePerformUpkeep(
    uint256 id,
    bytes calldata performData
  ) external returns (bool success, uint256 gasUsed) {
    _preventExecution();

    if (s_hotVars.paused) revert RegistryPaused();
    Upkeep memory upkeep = s_upkeep[id];
    (success, gasUsed) = _performUpkeep(upkeep.forwarder, upkeep.performGas, performData);
    return (success, gasUsed);
  }

  // ================================================================
  // |                      UPKEEP MANAGEMENT                       |
  // ================================================================

  /**
   * @notice adds fund to an upkeep
   * @param id the upkeepID
   * @param amount the amount of funds to add, in the upkeep's billing token
   */
  function addFunds(uint256 id, uint96 amount) external payable {
    Upkeep memory upkeep = s_upkeep[id];
    if (upkeep.maxValidBlocknumber != UINT32_MAX) revert UpkeepCancelled();

    if (msg.value != 0) {
      if (upkeep.billingToken != IERC20(i_wrappedNativeToken)) {
        revert InvalidToken();
      }
      amount = SafeCast.toUint96(msg.value);
    }

    s_upkeep[id].balance = upkeep.balance + amount;
    s_reserveAmounts[upkeep.billingToken] = s_reserveAmounts[upkeep.billingToken] + amount;

    if (msg.value == 0) {
      // ERC20 payment
      upkeep.billingToken.safeTransferFrom(msg.sender, address(this), amount);
    } else {
      // native payment
      i_wrappedNativeToken.deposit{value: amount}();
    }

    emit FundsAdded(id, msg.sender, amount);
  }

  /**
   * @notice overrides the billing config for an upkeep
   * @param id the upkeepID
   * @param billingOverrides the override-able billing config
   */
  function setBillingOverrides(uint256 id, BillingOverrides calldata billingOverrides) external {
    _onlyPrivilegeManagerAllowed();
    if (s_upkeep[id].maxValidBlocknumber != UINT32_MAX) revert UpkeepCancelled();

    s_upkeep[id].overridesEnabled = true;
    s_billingOverrides[id] = billingOverrides;
    emit BillingConfigOverridden(id, billingOverrides);
  }

  /**
   * @notice remove the overridden billing config for an upkeep
   * @param id the upkeepID
   */
  function removeBillingOverrides(uint256 id) external {
    _onlyPrivilegeManagerAllowed();

    s_upkeep[id].overridesEnabled = false;
    delete s_billingOverrides[id];
    emit BillingConfigOverrideRemoved(id);
  }

  /**
   * @notice transfers the address of an admin for an upkeep
   */
  function transferUpkeepAdmin(uint256 id, address proposed) external {
    _requireAdminAndNotCancelled(id);
    if (proposed == msg.sender) revert ValueNotChanged();

    if (s_proposedAdmin[id] != proposed) {
      s_proposedAdmin[id] = proposed;
      emit UpkeepAdminTransferRequested(id, msg.sender, proposed);
    }
  }

  /**
   * @notice accepts the transfer of an upkeep admin
   */
  function acceptUpkeepAdmin(uint256 id) external {
    Upkeep memory upkeep = s_upkeep[id];
    if (upkeep.maxValidBlocknumber != UINT32_MAX) revert UpkeepCancelled();
    if (s_proposedAdmin[id] != msg.sender) revert OnlyCallableByProposedAdmin();
    address past = s_upkeepAdmin[id];
    s_upkeepAdmin[id] = msg.sender;
    s_proposedAdmin[id] = ZERO_ADDRESS;

    emit UpkeepAdminTransferred(id, past, msg.sender);
  }

  /**
   * @notice pauses an upkeep - an upkeep will be neither checked nor performed while paused
   */
  function pauseUpkeep(uint256 id) external {
    _requireAdminAndNotCancelled(id);
    Upkeep memory upkeep = s_upkeep[id];
    if (upkeep.paused) revert OnlyUnpausedUpkeep();
    s_upkeep[id].paused = true;
    s_upkeepIDs.remove(id);
    emit UpkeepPaused(id);
  }

  /**
   * @notice unpauses an upkeep
   */
  function unpauseUpkeep(uint256 id) external {
    _requireAdminAndNotCancelled(id);
    Upkeep memory upkeep = s_upkeep[id];
    if (!upkeep.paused) revert OnlyPausedUpkeep();
    s_upkeep[id].paused = false;
    s_upkeepIDs.add(id);
    emit UpkeepUnpaused(id);
  }

  /**
   * @notice updates the checkData for an upkeep
   */
  function setUpkeepCheckData(uint256 id, bytes calldata newCheckData) external {
    _requireAdminAndNotCancelled(id);
    if (newCheckData.length > s_storage.maxCheckDataSize) revert CheckDataExceedsLimit();
    s_checkData[id] = newCheckData;
    emit UpkeepCheckDataSet(id, newCheckData);
  }

  /**
   * @notice updates the gas limit for an upkeep
   */
  function setUpkeepGasLimit(uint256 id, uint32 gasLimit) external {
    if (gasLimit < PERFORM_GAS_MIN || gasLimit > s_storage.maxPerformGas) revert GasLimitOutsideRange();
    _requireAdminAndNotCancelled(id);
    s_upkeep[id].performGas = gasLimit;

    emit UpkeepGasLimitSet(id, gasLimit);
  }

  /**
   * @notice updates the offchain config for an upkeep
   */
  function setUpkeepOffchainConfig(uint256 id, bytes calldata config) external {
    _requireAdminAndNotCancelled(id);
    s_upkeepOffchainConfig[id] = config;
    emit UpkeepOffchainConfigSet(id, config);
  }

  /**
   * @notice sets the upkeep trigger config
   * @param id the upkeepID to change the trigger for
   * @param triggerConfig the new trigger config
   */
  function setUpkeepTriggerConfig(uint256 id, bytes calldata triggerConfig) external {
    _requireAdminAndNotCancelled(id);
    s_upkeepTriggerConfig[id] = triggerConfig;
    emit UpkeepTriggerConfigSet(id, triggerConfig);
  }

  /**
   * @notice withdraws an upkeep's funds from an upkeep
   * @dev note that an upkeep must be cancelled first!!
   */
  function withdrawFunds(uint256 id, address to) external nonReentrant {
    if (to == ZERO_ADDRESS) revert InvalidRecipient();
    Upkeep memory upkeep = s_upkeep[id];
    if (s_upkeepAdmin[id] != msg.sender) revert OnlyCallableByAdmin();
    if (upkeep.maxValidBlocknumber > s_hotVars.chainModule.blockNumber()) revert UpkeepNotCanceled();
    uint96 amountToWithdraw = s_upkeep[id].balance;
    s_reserveAmounts[upkeep.billingToken] = s_reserveAmounts[upkeep.billingToken] - amountToWithdraw;
    s_upkeep[id].balance = 0;
    upkeep.billingToken.safeTransfer(to, amountToWithdraw);
    emit FundsWithdrawn(id, amountToWithdraw, to);
  }

  // ================================================================
  // |                       FINANCE ACTIONS                        |
  // ================================================================

  /**
   * @notice withdraws excess LINK from the liquidity pool
   * @param to the address to send the fees to
   * @param amount the amount to withdraw
   */
  function withdrawLink(address to, uint256 amount) external {
    _onlyFinanceAdminAllowed();
    if (to == ZERO_ADDRESS) revert InvalidRecipient();

    int256 available = _linkAvailableForPayment();
    if (available < 0) {
      revert InsufficientBalance(0, amount);
    } else if (amount > uint256(available)) {
      revert InsufficientBalance(uint256(available), amount);
    }

    bool transferStatus = i_link.transfer(to, amount);
    if (!transferStatus) {
      revert TransferFailed();
    }
    emit FeesWithdrawn(address(i_link), to, amount);
  }

  /**
   * @notice withdraws non-LINK fees earned by the contract
   * @param asset the asset to withdraw
   * @param to the address to send the fees to
   * @param amount the amount to withdraw
   * @dev in ON_CHAIN mode, we prevent withdrawing non-LINK fees unless there is sufficient LINK liquidity
   * to cover all outstanding debts on the registry
   */
  function withdrawERC20Fees(IERC20 asset, address to, uint256 amount) external {
    _onlyFinanceAdminAllowed();
    if (to == ZERO_ADDRESS) revert InvalidRecipient();
    if (address(asset) == address(i_link)) revert InvalidToken();
    if (_linkAvailableForPayment() < 0 && s_payoutMode == PayoutMode.ON_CHAIN) revert InsufficientLinkLiquidity();
    uint256 available = asset.balanceOf(address(this)) - s_reserveAmounts[asset];
    if (amount > available) revert InsufficientBalance(available, amount);

    asset.safeTransfer(to, amount);
    emit FeesWithdrawn(address(asset), to, amount);
  }
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.19;

import {AutomationRegistryBase2_3} from "./AutomationRegistryBase2_3.sol";
import {EnumerableSet} from "../../vendor/openzeppelin-solidity/v4.7.3/contracts/utils/structs/EnumerableSet.sol";
import {Address} from "../../vendor/openzeppelin-solidity/v4.7.3/contracts/utils/Address.sol";
import {IAutomationForwarder} from "../interfaces/IAutomationForwarder.sol";
import {IChainModule} from "../interfaces/IChainModule.sol";
import {IERC20Metadata as IERC20} from "../../vendor/openzeppelin-solidity/v4.8.3/contracts/token/ERC20/extensions/IERC20Metadata.sol";
import {IAutomationV21PlusCommon} from "../interfaces/IAutomationV21PlusCommon.sol";

contract AutomationRegistryLogicC2_3 is AutomationRegistryBase2_3 {
  using Address for address;
  using EnumerableSet for EnumerableSet.UintSet;
  using EnumerableSet for EnumerableSet.AddressSet;

  /**
   * @dev see AutomationRegistry master contract for constructor description
   */
  constructor(
    address link,
    address linkUSDFeed,
    address nativeUSDFeed,
    address fastGasFeed,
    address automationForwarderLogic,
    address allowedReadOnlyAddress,
    PayoutMode payoutMode,
    address wrappedNativeTokenAddress
  )
    AutomationRegistryBase2_3(
      link,
      linkUSDFeed,
      nativeUSDFeed,
      fastGasFeed,
      automationForwarderLogic,
      allowedReadOnlyAddress,
      payoutMode,
      wrappedNativeTokenAddress
    )
  {}

  // ================================================================
  // |                         NODE ACTIONS                         |
  // ================================================================

  /**
   * @notice transfers the address of payee for a transmitter
   */
  function transferPayeeship(address transmitter, address proposed) external {
    if (s_transmitterPayees[transmitter] != msg.sender) revert OnlyCallableByPayee();
    if (proposed == msg.sender) revert ValueNotChanged();

    if (s_proposedPayee[transmitter] != proposed) {
      s_proposedPayee[transmitter] = proposed;
      emit PayeeshipTransferRequested(transmitter, msg.sender, proposed);
    }
  }

  /**
   * @notice accepts the transfer of the payee
   */
  function acceptPayeeship(address transmitter) external {
    if (s_proposedPayee[transmitter] != msg.sender) revert OnlyCallableByProposedPayee();
    address past = s_transmitterPayees[transmitter];
    s_transmitterPayees[transmitter] = msg.sender;
    s_proposedPayee[transmitter] = ZERO_ADDRESS;

    emit PayeeshipTransferred(transmitter, past, msg.sender);
  }

  /**
   * @notice this is for NOPs to withdraw LINK received as payment for work performed
   */
  function withdrawPayment(address from, address to) external {
    if (to == ZERO_ADDRESS) revert InvalidRecipient();
    if (s_payoutMode == PayoutMode.OFF_CHAIN) revert MustSettleOffchain();
    if (s_transmitterPayees[from] != msg.sender) revert OnlyCallableByPayee();
    uint96 balance = _updateTransmitterBalanceFromPool(from, s_hotVars.totalPremium, uint96(s_transmittersList.length));
    s_transmitters[from].balance = 0;
    s_reserveAmounts[IERC20(address(i_link))] = s_reserveAmounts[IERC20(address(i_link))] - balance;
    bool transferStatus = i_link.transfer(to, balance);
    if (!transferStatus) {
      revert TransferFailed();
    }
    emit PaymentWithdrawn(from, balance, to, msg.sender);
  }

  // ================================================================
  // |                   OWNER / MANAGER ACTIONS                    |
  // ================================================================

  /**
   * @notice sets the privilege config for an upkeep
   */
  function setUpkeepPrivilegeConfig(uint256 upkeepId, bytes calldata newPrivilegeConfig) external {
    _onlyPrivilegeManagerAllowed();
    s_upkeepPrivilegeConfig[upkeepId] = newPrivilegeConfig;
    emit UpkeepPrivilegeConfigSet(upkeepId, newPrivilegeConfig);
  }

  /**
   * @notice this is used by the owner to set the initial payees for newly added transmitters. The owner is not allowed to change payees for existing transmitters.
   * @dev the IGNORE_ADDRESS is a "helper" that makes it easier to construct a list of payees when you only care about setting the payee for a small number of transmitters.
   */
  function setPayees(address[] calldata payees) external onlyOwner {
    if (s_transmittersList.length != payees.length) revert ParameterLengthError();
    for (uint256 i = 0; i < s_transmittersList.length; i++) {
      address transmitter = s_transmittersList[i];
      address oldPayee = s_transmitterPayees[transmitter];
      address newPayee = payees[i];

      if (
        (newPayee == ZERO_ADDRESS) || (oldPayee != ZERO_ADDRESS && oldPayee != newPayee && newPayee != IGNORE_ADDRESS)
      ) {
        revert InvalidPayee();
      }

      if (newPayee != IGNORE_ADDRESS) {
        s_transmitterPayees[transmitter] = newPayee;
      }
    }
    emit PayeesUpdated(s_transmittersList, payees);
  }

  /**
   * @notice sets the migration permission for a peer registry
   * @dev this must be done before upkeeps can be migrated to/from another registry
   */
  function setPeerRegistryMigrationPermission(address peer, MigrationPermission permission) external onlyOwner {
    s_peerRegistryMigrationPermission[peer] = permission;
  }

  /**
   * @notice pauses the entire registry
   */
  function pause() external onlyOwner {
    s_hotVars.paused = true;
    emit Paused(msg.sender);
  }

  /**
   * @notice unpauses the entire registry
   */
  function unpause() external onlyOwner {
    s_hotVars.paused = false;
    emit Unpaused(msg.sender);
  }

  /**
   * @notice sets a generic bytes field used to indicate the privilege that this admin address had
   * @param admin the address to set privilege for
   * @param newPrivilegeConfig the privileges that this admin has
   */
  function setAdminPrivilegeConfig(address admin, bytes calldata newPrivilegeConfig) external {
    _onlyPrivilegeManagerAllowed();
    s_adminPrivilegeConfig[admin] = newPrivilegeConfig;
    emit AdminPrivilegeConfigSet(admin, newPrivilegeConfig);
  }

  /**
   * @notice settles NOPs' LINK payment offchain
   */
  function settleNOPsOffchain() external {
    _onlyFinanceAdminAllowed();
    if (s_payoutMode == PayoutMode.ON_CHAIN) revert MustSettleOnchain();

    uint96 totalPremium = s_hotVars.totalPremium;
    uint256 activeTransmittersLength = s_transmittersList.length;
    uint256 deactivatedTransmittersLength = s_deactivatedTransmitters.length();
    uint256 length = activeTransmittersLength + deactivatedTransmittersLength;
    uint256[] memory payments = new uint256[](length);
    address[] memory payees = new address[](length);

    for (uint256 i = 0; i < activeTransmittersLength; i++) {
      address transmitterAddr = s_transmittersList[i];
      uint96 balance = _updateTransmitterBalanceFromPool(
        transmitterAddr,
        totalPremium,
        uint96(activeTransmittersLength)
      );

      payments[i] = balance;
      payees[i] = s_transmitterPayees[transmitterAddr];
      s_transmitters[transmitterAddr].balance = 0;
    }

    for (uint256 i = 0; i < deactivatedTransmittersLength; i++) {
      address deactivatedAddr = s_deactivatedTransmitters.at(i);
      Transmitter memory transmitter = s_transmitters[deactivatedAddr];

      payees[i + activeTransmittersLength] = s_transmitterPayees[deactivatedAddr];
      payments[i + activeTransmittersLength] = transmitter.balance;
      s_transmitters[deactivatedAddr].balance = 0;
    }

    // reserve amount of LINK is reset to 0 since no user deposits of LINK are expected in offchain mode
    s_reserveAmounts[IERC20(address(i_link))] = 0;

    for (uint256 idx = s_deactivatedTransmitters.length(); idx > 0; idx--) {
      s_deactivatedTransmitters.remove(s_deactivatedTransmitters.at(idx - 1));
    }

    emit NOPsSettledOffchain(payees, payments);
  }

  /**
   * @notice disables offchain payment for NOPs
   */
  function disableOffchainPayments() external onlyOwner {
    s_payoutMode = PayoutMode.ON_CHAIN;
  }

  // ================================================================
  // |                           GETTERS                            |
  // ================================================================

  function getConditionalGasOverhead() external pure returns (uint256) {
    return REGISTRY_CONDITIONAL_OVERHEAD;
  }

  function getLogGasOverhead() external pure returns (uint256) {
    return REGISTRY_LOG_OVERHEAD;
  }

  function getPerPerformByteGasOverhead() external pure returns (uint256) {
    return REGISTRY_PER_PERFORM_BYTE_GAS_OVERHEAD;
  }

  function getPerSignerGasOverhead() external pure returns (uint256) {
    return REGISTRY_PER_SIGNER_GAS_OVERHEAD;
  }

  function getTransmitCalldataFixedBytesOverhead() external pure returns (uint256) {
    return TRANSMIT_CALLDATA_FIXED_BYTES_OVERHEAD;
  }

  function getTransmitCalldataPerSignerBytesOverhead() external pure returns (uint256) {
    return TRANSMIT_CALLDATA_PER_SIGNER_BYTES_OVERHEAD;
  }

  function getCancellationDelay() external pure returns (uint256) {
    return CANCELLATION_DELAY;
  }

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

  function getLinkUSDFeedAddress() external view returns (address) {
    return address(i_linkUSDFeed);
  }

  function getNativeUSDFeedAddress() external view returns (address) {
    return address(i_nativeUSDFeed);
  }

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

  function getAutomationForwarderLogic() external view returns (address) {
    return i_automationForwarderLogic;
  }

  function getAllowedReadOnlyAddress() external view returns (address) {
    return i_allowedReadOnlyAddress;
  }

  function getWrappedNativeTokenAddress() external view returns (address) {
    return address(i_wrappedNativeToken);
  }

  function getBillingToken(uint256 upkeepID) external view returns (IERC20) {
    return s_upkeep[upkeepID].billingToken;
  }

  function getBillingTokens() external view returns (IERC20[] memory) {
    return s_billingTokens;
  }

  function supportsBillingToken(IERC20 token) external view returns (bool) {
    return address(s_billingConfigs[token].priceFeed) != address(0);
  }

  function getBillingTokenConfig(IERC20 token) external view returns (BillingConfig memory) {
    return s_billingConfigs[token];
  }

  function getBillingOverridesEnabled(uint256 upkeepID) external view returns (bool) {
    return s_upkeep[upkeepID].overridesEnabled;
  }

  function getPayoutMode() external view returns (PayoutMode) {
    return s_payoutMode;
  }

  function upkeepVersion() public pure returns (uint8) {
    return UPKEEP_VERSION_BASE;
  }

  /**
   * @notice gets the number of upkeeps on the registry
   */
  function getNumUpkeeps() external view returns (uint256) {
    return s_upkeepIDs.length();
  }

  /**
   * @notice read all of the details about an upkeep
   * @dev this function may be deprecated in a future version of automation in favor of individual
   * getters for each field
   */
  function getUpkeep(uint256 id) external view returns (IAutomationV21PlusCommon.UpkeepInfoLegacy memory upkeepInfo) {
    Upkeep memory reg = s_upkeep[id];
    address target = address(reg.forwarder) == address(0) ? address(0) : reg.forwarder.getTarget();
    upkeepInfo = IAutomationV21PlusCommon.UpkeepInfoLegacy({
      target: target,
      performGas: reg.performGas,
      checkData: s_checkData[id],
      balance: reg.balance,
      admin: s_upkeepAdmin[id],
      maxValidBlocknumber: reg.maxValidBlocknumber,
      lastPerformedBlockNumber: reg.lastPerformedBlockNumber,
      amountSpent: uint96(reg.amountSpent), // force casting to uint96 for backwards compatibility. Not an issue if it overflows.
      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 returns (uint256[] memory) {
    uint256 numUpkeeps = s_upkeepIDs.length();
    if (startIndex >= numUpkeeps) revert IndexOutOfRange();
    uint256 endIndex = startIndex + maxCount;
    endIndex = endIndex > numUpkeeps || maxCount == 0 ? numUpkeeps : endIndex;
    uint256[] memory ids = new uint256[](endIndex - startIndex);
    for (uint256 idx = 0; idx < ids.length; idx++) {
      ids[idx] = s_upkeepIDs.at(idx + startIndex);
    }
    return ids;
  }

  /**
   * @notice returns the upkeep's trigger type
   */
  function getTriggerType(uint256 upkeepId) external pure returns (Trigger) {
    return _getTriggerType(upkeepId);
  }

  /**
   * @notice returns the trigger config for an upkeeep
   */
  function getUpkeepTriggerConfig(uint256 upkeepId) public view returns (bytes memory) {
    return s_upkeepTriggerConfig[upkeepId];
  }

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

    uint96 pooledShare = 0;
    if (transmitter.active) {
      uint96 totalDifference = s_hotVars.totalPremium - transmitter.lastCollected;
      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 on-chain config of the registry
   * @dev this function will change between versions, it should never be used where
   * backwards compatibility matters!
   */
  function getConfig() external view returns (OnchainConfig memory) {
    return
      OnchainConfig({
        checkGasLimit: s_storage.checkGasLimit,
        stalenessSeconds: s_hotVars.stalenessSeconds,
        gasCeilingMultiplier: s_hotVars.gasCeilingMultiplier,
        maxPerformGas: s_storage.maxPerformGas,
        maxCheckDataSize: s_storage.maxCheckDataSize,
        maxPerformDataSize: s_storage.maxPerformDataSize,
        maxRevertDataSize: s_storage.maxRevertDataSize,
        fallbackGasPrice: s_fallbackGasPrice,
        fallbackLinkPrice: s_fallbackLinkPrice,
        fallbackNativePrice: s_fallbackNativePrice,
        transcoder: s_storage.transcoder,
        registrars: s_registrars.values(),
        upkeepPrivilegeManager: s_storage.upkeepPrivilegeManager,
        chainModule: s_hotVars.chainModule,
        reorgProtectionEnabled: s_hotVars.reorgProtectionEnabled,
        financeAdmin: s_storage.financeAdmin
      });
  }

  /**
   * @notice read the current state of the registry
   * @dev this function is deprecated
   */
  function getState()
    external
    view
    returns (
      IAutomationV21PlusCommon.StateLegacy memory state,
      IAutomationV21PlusCommon.OnchainConfigLegacy memory config,
      address[] memory signers,
      address[] memory transmitters,
      uint8 f
    )
  {
    state = IAutomationV21PlusCommon.StateLegacy({
      nonce: s_storage.nonce,
      ownerLinkBalance: 0, // deprecated
      expectedLinkBalance: 0, // deprecated
      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 = IAutomationV21PlusCommon.OnchainConfigLegacy({
      paymentPremiumPPB: 0, // deprecated
      flatFeeMicroLink: 0, // deprecated
      checkGasLimit: s_storage.checkGasLimit,
      stalenessSeconds: s_hotVars.stalenessSeconds,
      gasCeilingMultiplier: s_hotVars.gasCeilingMultiplier,
      minUpkeepSpend: 0, // deprecated
      maxPerformGas: s_storage.maxPerformGas,
      maxCheckDataSize: s_storage.maxCheckDataSize,
      maxPerformDataSize: s_storage.maxPerformDataSize,
      maxRevertDataSize: s_storage.maxRevertDataSize,
      fallbackGasPrice: s_fallbackGasPrice,
      fallbackLinkPrice: s_fallbackLinkPrice,
      transcoder: s_storage.transcoder,
      registrars: s_registrars.values(),
      upkeepPrivilegeManager: s_storage.upkeepPrivilegeManager
    });

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

  /**
   * @notice read the Storage data
   * @dev this function signature will change with each version of automation
   * this should not be treated as a stable function
   */
  function getStorage() external view returns (Storage memory) {
    return s_storage;
  }

  /**
   * @notice read the HotVars data
   * @dev this function signature will change with each version of automation
   * this should not be treated as a stable function
   */
  function getHotVars() external view returns (HotVars memory) {
    return s_hotVars;
  }

  /**
   * @notice get the chain module
   */
  function getChainModule() external view returns (IChainModule chainModule) {
    return s_hotVars.chainModule;
  }

  /**
   * @notice if this registry has reorg protection enabled
   */
  function getReorgProtectionEnabled() external view returns (bool reorgProtectionEnabled) {
    return s_hotVars.reorgProtectionEnabled;
  }

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

  /**
   * @notice calculates the minimum balance required for an upkeep to remain eligible
   * @param id the upkeep id to calculate minimum balance for
   */
  function getMinBalance(uint256 id) external view returns (uint96) {
    return getMinBalanceForUpkeep(id);
  }

  /**
   * @notice calculates the minimum balance required for an upkeep to remain eligible
   * @param id the upkeep id to calculate minimum balance for
   * @dev this will be deprecated in a future version in favor of getMinBalance
   */
  function getMinBalanceForUpkeep(uint256 id) public view returns (uint96 minBalance) {
    Upkeep memory upkeep = s_upkeep[id];
    return getMaxPaymentForGas(id, _getTriggerType(id), upkeep.performGas, upkeep.billingToken);
  }

  /**
   * @notice calculates the maximum payment for a given gas limit
   * @param gasLimit the gas to calculate payment for
   */
  function getMaxPaymentForGas(
    uint256 id,
    Trigger triggerType,
    uint32 gasLimit,
    IERC20 billingToken
  ) public view returns (uint96 maxPayment) {
    HotVars memory hotVars = s_hotVars;
    (uint256 fastGasWei, uint256 linkUSD, uint256 nativeUSD) = _getFeedData(hotVars);
    return _getMaxPayment(id, hotVars, triggerType, gasLimit, fastGasWei, linkUSD, nativeUSD, billingToken);
  }

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

  /**
   * @notice returns the upkeep privilege config
   */
  function getUpkeepPrivilegeConfig(uint256 upkeepId) external view returns (bytes memory) {
    return s_upkeepPrivilegeConfig[upkeepId];
  }

  /**
   * @notice returns the admin's privilege config
   */
  function getAdminPrivilegeConfig(address admin) external view returns (bytes memory) {
    return s_adminPrivilegeConfig[admin];
  }

  /**
   * @notice returns the upkeep's forwarder contract
   */
  function getForwarder(uint256 upkeepID) external view returns (IAutomationForwarder) {
    return s_upkeep[upkeepID].forwarder;
  }

  /**
   * @notice returns if the dedupKey exists or not
   */
  function hasDedupKey(bytes32 dedupKey) external view returns (bool) {
    return s_dedupKeys[dedupKey];
  }

  /**
   * @notice returns the fallback native price
   */
  function getFallbackNativePrice() external view returns (uint256) {
    return s_fallbackNativePrice;
  }

  /**
   * @notice returns the amount of a particular token that is reserved as
   * user deposits / NOP payments
   */
  function getReserveAmount(IERC20 billingToken) external view returns (uint256) {
    return s_reserveAmounts[billingToken];
  }

  /**
   * @notice returns the amount of a particular token that is withdraw-able by finance admin
   */
  function getAvailableERC20ForPayment(IERC20 billingToken) external view returns (uint256) {
    return billingToken.balanceOf(address(this)) - s_reserveAmounts[IERC20(address(billingToken))];
  }

  /**
   * @notice returns the size of the LINK liquidity pool
   */
  function linkAvailableForPayment() public view returns (int256) {
    return _linkAvailableForPayment();
  }

  /**
   * @notice returns the BillingOverrides config for a given upkeep
   */
  function getBillingOverrides(uint256 upkeepID) external view returns (BillingOverrides memory) {
    return s_billingOverrides[upkeepID];
  }

  /**
   * @notice returns the BillingConfig for a given billing token, this includes decimals and price feed etc
   */
  function getBillingConfig(IERC20 billingToken) external view returns (BillingConfig memory) {
    return s_billingConfigs[billingToken];
  }

  /**
   * @notice returns all active transmitters with their associated payees
   */
  function getTransmittersWithPayees() external view returns (TransmitterPayeeInfo[] memory) {
    uint256 transmitterCount = s_transmittersList.length;
    TransmitterPayeeInfo[] memory transmitters = new TransmitterPayeeInfo[](transmitterCount);

    for (uint256 i = 0; i < transmitterCount; i++) {
      address transmitterAddress = s_transmittersList[i];
      address payeeAddress = s_transmitterPayees[transmitterAddress];

      transmitters[i] = TransmitterPayeeInfo(transmitterAddress, payeeAddress);
    }

    return transmitters;
  }
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.19;

import {AutomationRegistryBase2_3} from "./AutomationRegistryBase2_3.sol";

/**
 * @notice this file exposes structs that are otherwise internal to the automation registry
 * doing this allows those structs to be encoded and decoded with type safety in offchain code
 * and tests because generated wrappers are made available
 */

contract AutomationUtils2_3 {
  /**
   * @dev this uses the v2.3 Report, which uses linkUSD instead of linkNative (as in v2.2 and prior). This should be used only in typescript tests.
   */
  function _report(AutomationRegistryBase2_3.Report memory) external {} // 0xe65d6546
}

// SPDX-License-Identifier: BUSL-1.1

pragma solidity 0.8.19;

import {UpkeepTranscoderInterfaceV2} from "../interfaces/UpkeepTranscoderInterfaceV2.sol";
import {TypeAndVersionInterface} from "../../interfaces/TypeAndVersionInterface.sol";

enum RegistryVersion {
  V12,
  V13,
  V20,
  V21,
  V23
}

/**
 * @notice UpkeepTranscoder is a contract that allows converting upkeep data from previous registry versions to newer versions
 * @dev it currently only supports 2.3 -> 2.3 migrations
 */
contract UpkeepTranscoder5_0 is UpkeepTranscoderInterfaceV2, TypeAndVersionInterface {
  error InvalidTranscoding();

  string public constant override typeAndVersion = "UpkeepTranscoder 5.0.0";

  /**
   * @notice transcodeUpkeeps transforms upkeep data from the format expected by
   * one registry to the format expected by another. It future-proofs migrations
   * by allowing automation team to customize migration paths and set sensible defaults
   * when new fields are added
   * @param fromVersion version the upkeep is migrating from
   * @param toVersion version the upkeep is migrating to
   * @param encodedUpkeeps encoded upkeep data
   * @dev this transcoder should ONLY be use for V23->V23 migrations for now
   */
  function transcodeUpkeeps(
    uint8 fromVersion,
    uint8 toVersion,
    bytes calldata encodedUpkeeps
  ) external view override returns (bytes memory) {
    if (toVersion == uint8(RegistryVersion.V23) && fromVersion == uint8(RegistryVersion.V23)) {
      return encodedUpkeeps;
    }

    revert InvalidTranscoding();
  }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

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

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import {ConfirmedOwnerWithProposal} from "./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)) {}
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import {IOwnable} from "../interfaces/IOwnable.sol";

/// @title The ConfirmedOwner contract
/// @notice A contract with helpers for basic contract ownership.
contract ConfirmedOwnerWithProposal is IOwnable {
  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) {
    // solhint-disable-next-line gas-custom-errors
    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.
  function transferOwnership(address to) public override onlyOwner {
    _transferOwnership(to);
  }

  /// @notice Allows an ownership transfer to be completed by the recipient.
  function acceptOwnership() external override {
    // solhint-disable-next-line gas-custom-errors
    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 {
    // solhint-disable-next-line gas-custom-errors
    require(to != msg.sender, "Cannot transfer to self");

    s_pendingOwner = to;

    emit OwnershipTransferRequested(s_owner, to);
  }

  /// @notice validate access
  function _validateOwnership() internal view {
    // solhint-disable-next-line gas-custom-errors
    require(msg.sender == s_owner, "Only callable by owner");
  }

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

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

// solhint-disable-next-line interface-starts-with-i
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);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.6;

interface IERC677Receiver {
  function onTokenTransfer(address sender, uint256 amount, bytes calldata data) external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

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

  function transferOwnership(address recipient) external;

  function acceptOwnership() external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface ITypeAndVersion {
  function typeAndVersion() external pure returns (string memory);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

// solhint-disable-next-line interface-starts-with-i
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);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import {ITypeAndVersion} from "../interfaces/ITypeAndVersion.sol";

abstract contract OCR2Abstract is ITypeAndVersion {
  uint256 internal constant MAX_NUM_ORACLES = 31;
  uint256 private constant PREFIX_MASK = 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 & PREFIX_MASK) | (h & ~PREFIX_MASK));
  }

  /// @notice optionally emitted to indicate the latest configDigest and epoch for
  /// which a report was successfully transmitted. 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 MAX_NUM_ORACLES entries
  /// @param ss ith element is the S components of the ith signature on report. Must have at most MAX_NUM_ORACLES 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;
}

// 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);
        }
    }
}

// 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;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/draft-IERC20Permit.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 */
interface IERC20Permit {
  /**
   * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
   * given ``owner``'s signed approval.
   *
   * IMPORTANT: The same issues {IERC20-approve} has related to transaction
   * ordering also apply here.
   *
   * Emits an {Approval} event.
   *
   * Requirements:
   *
   * - `spender` cannot be the zero address.
   * - `deadline` must be a timestamp in the future.
   * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
   * over the EIP712-formatted function arguments.
   * - the signature must use ``owner``'s current nonce (see {nonces}).
   *
   * For more information on the signature format, see the
   * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
   * section].
   */
  function permit(
    address owner,
    address spender,
    uint256 value,
    uint256 deadline,
    uint8 v,
    bytes32 r,
    bytes32 s
  ) external;

  /**
   * @dev Returns the current nonce for `owner`. This value must be
   * included whenever a signature is generated for {permit}.
   *
   * Every successful call to {permit} increases ``owner``'s nonce by one. This
   * prevents a signature from being used multiple times.
   */
  function nonces(address owner) external view returns (uint256);

  /**
   * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.
   */
  // solhint-disable-next-line func-name-mixedcase
  function DOMAIN_SEPARATOR() external view returns (bytes32);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 *
 * _Available since v4.1._
 */
interface IERC20Metadata is IERC20 {
  /**
   * @dev Returns the name of the token.
   */
  function name() external view returns (string memory);

  /**
   * @dev Returns the symbol of the token.
   */
  function symbol() external view returns (string memory);

  /**
   * @dev Returns the decimals places of the token.
   */
  function decimals() external view returns (uint8);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
  /**
   * @dev Emitted when `value` tokens are moved from one account (`from`) to
   * another (`to`).
   *
   * Note that `value` may be zero.
   */
  event Transfer(address indexed from, address indexed to, uint256 value);

  /**
   * @dev Emitted when the allowance of a `spender` for an `owner` is set by
   * a call to {approve}. `value` is the new allowance.
   */
  event Approval(address indexed owner, address indexed spender, uint256 value);

  /**
   * @dev Returns the amount of tokens in existence.
   */
  function totalSupply() external view returns (uint256);

  /**
   * @dev Returns the amount of tokens owned by `account`.
   */
  function balanceOf(address account) external view returns (uint256);

  /**
   * @dev Moves `amount` tokens from the caller's account to `to`.
   *
   * Returns a boolean value indicating whether the operation succeeded.
   *
   * Emits a {Transfer} event.
   */
  function transfer(address to, uint256 amount) external returns (bool);

  /**
   * @dev Returns the remaining number of tokens that `spender` will be
   * allowed to spend on behalf of `owner` through {transferFrom}. This is
   * zero by default.
   *
   * This value changes when {approve} or {transferFrom} are called.
   */
  function allowance(address owner, address spender) external view returns (uint256);

  /**
   * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
   *
   * Returns a boolean value indicating whether the operation succeeded.
   *
   * IMPORTANT: Beware that changing an allowance with this method brings the risk
   * that someone may use both the old and the new allowance by unfortunate
   * transaction ordering. One possible solution to mitigate this race
   * condition is to first reduce the spender's allowance to 0 and set the
   * desired value afterwards:
   * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
   *
   * Emits an {Approval} event.
   */
  function approve(address spender, uint256 amount) external returns (bool);

  /**
   * @dev Moves `amount` tokens from `from` to `to` using the
   * allowance mechanism. `amount` is then deducted from the caller's
   * allowance.
   *
   * Returns a boolean value indicating whether the operation succeeded.
   *
   * Emits a {Transfer} event.
   */
  function transferFrom(address from, address to, uint256 amount) external returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../extensions/draft-IERC20Permit.sol";
import "../../../utils/Address.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
  using Address for address;

  function safeTransfer(IERC20 token, address to, uint256 value) internal {
    _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
  }

  function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
    _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
  }

  /**
   * @dev Deprecated. This function has issues similar to the ones found in
   * {IERC20-approve}, and its usage is discouraged.
   *
   * Whenever possible, use {safeIncreaseAllowance} and
   * {safeDecreaseAllowance} instead.
   */
  function safeApprove(IERC20 token, address spender, uint256 value) internal {
    // safeApprove should only be called when setting an initial allowance,
    // or when resetting it to zero. To increase and decrease it, use
    // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
    require(
      (value == 0) || (token.allowance(address(this), spender) == 0),
      "SafeERC20: approve from non-zero to non-zero allowance"
    );
    _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
  }

  function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
    uint256 newAllowance = token.allowance(address(this), spender) + value;
    _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
  }

  function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
    unchecked {
      uint256 oldAllowance = token.allowance(address(this), spender);
      require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
      uint256 newAllowance = oldAllowance - value;
      _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }
  }

  function safePermit(
    IERC20Permit token,
    address owner,
    address spender,
    uint256 value,
    uint256 deadline,
    uint8 v,
    bytes32 r,
    bytes32 s
  ) internal {
    uint256 nonceBefore = token.nonces(owner);
    token.permit(owner, spender, value, deadline, v, r, s);
    uint256 nonceAfter = token.nonces(owner);
    require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
  }

  /**
   * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
   * on the return value: the return value is optional (but if data is returned, it must not be false).
   * @param token The token targeted by the call.
   * @param data The call data (encoded using abi.encode or one of its variants).
   */
  function _callOptionalReturn(IERC20 token, bytes memory data) private {
    // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
    // we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that
    // the target address contains contract code and also asserts for success in the low-level call.

    bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
    if (returndata.length > 0) {
      // Return data is optional
      require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
    }
  }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (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);
    }
  }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/SafeCast.sol)
// This file was procedurally generated from scripts/generate/templates/SafeCast.js.

pragma solidity ^0.8.0;

/**
 * @dev Wrappers over Solidity's uintXX/intXX casting operators with added overflow
 * checks.
 *
 * Downcasting from uint256/int256 in Solidity does not revert on overflow. This can
 * easily result in undesired exploitation or bugs, since developers usually
 * assume that overflows raise errors. `SafeCast` restores this intuition by
 * reverting the transaction when such an operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 *
 * Can be combined with {SafeMath} and {SignedSafeMath} to extend it to smaller types, by performing
 * all math on `uint256` and `int256` and then downcasting.
 */
library SafeCast {
  /**
   * @dev Returns the downcasted uint248 from uint256, reverting on
   * overflow (when the input is greater than largest uint248).
   *
   * Counterpart to Solidity's `uint248` operator.
   *
   * Requirements:
   *
   * - input must fit into 248 bits
   *
   * _Available since v4.7._
   */
  function toUint248(uint256 value) internal pure returns (uint248) {
    require(value <= type(uint248).max, "SafeCast: value doesn't fit in 248 bits");
    return uint248(value);
  }

  /**
   * @dev Returns the downcasted uint240 from uint256, reverting on
   * overflow (when the input is greater than largest uint240).
   *
   * Counterpart to Solidity's `uint240` operator.
   *
   * Requirements:
   *
   * - input must fit into 240 bits
   *
   * _Available since v4.7._
   */
  function toUint240(uint256 value) internal pure returns (uint240) {
    require(value <= type(uint240).max, "SafeCast: value doesn't fit in 240 bits");
    return uint240(value);
  }

  /**
   * @dev Returns the downcasted uint232 from uint256, reverting on
   * overflow (when the input is greater than largest uint232).
   *
   * Counterpart to Solidity's `uint232` operator.
   *
   * Requirements:
   *
   * - input must fit into 232 bits
   *
   * _Available since v4.7._
   */
  function toUint232(uint256 value) internal pure returns (uint232) {
    require(value <= type(uint232).max, "SafeCast: value doesn't fit in 232 bits");
    return uint232(value);
  }

  /**
   * @dev Returns the downcasted uint224 from uint256, reverting on
   * overflow (when the input is greater than largest uint224).
   *
   * Counterpart to Solidity's `uint224` operator.
   *
   * Requirements:
   *
   * - input must fit into 224 bits
   *
   * _Available since v4.2._
   */
  function toUint224(uint256 value) internal pure returns (uint224) {
    require(value <= type(uint224).max, "SafeCast: value doesn't fit in 224 bits");
    return uint224(value);
  }

  /**
   * @dev Returns the downcasted uint216 from uint256, reverting on
   * overflow (when the input is greater than largest uint216).
   *
   * Counterpart to Solidity's `uint216` operator.
   *
   * Requirements:
   *
   * - input must fit into 216 bits
   *
   * _Available since v4.7._
   */
  function toUint216(uint256 value) internal pure returns (uint216) {
    require(value <= type(uint216).max, "SafeCast: value doesn't fit in 216 bits");
    return uint216(value);
  }

  /**
   * @dev Returns the downcasted uint208 from uint256, reverting on
   * overflow (when the input is greater than largest uint208).
   *
   * Counterpart to Solidity's `uint208` operator.
   *
   * Requirements:
   *
   * - input must fit into 208 bits
   *
   * _Available since v4.7._
   */
  function toUint208(uint256 value) internal pure returns (uint208) {
    require(value <= type(uint208).max, "SafeCast: value doesn't fit in 208 bits");
    return uint208(value);
  }

  /**
   * @dev Returns the downcasted uint200 from uint256, reverting on
   * overflow (when the input is greater than largest uint200).
   *
   * Counterpart to Solidity's `uint200` operator.
   *
   * Requirements:
   *
   * - input must fit into 200 bits
   *
   * _Available since v4.7._
   */
  function toUint200(uint256 value) internal pure returns (uint200) {
    require(value <= type(uint200).max, "SafeCast: value doesn't fit in 200 bits");
    return uint200(value);
  }

  /**
   * @dev Returns the downcasted uint192 from uint256, reverting on
   * overflow (when the input is greater than largest uint192).
   *
   * Counterpart to Solidity's `uint192` operator.
   *
   * Requirements:
   *
   * - input must fit into 192 bits
   *
   * _Available since v4.7._
   */
  function toUint192(uint256 value) internal pure returns (uint192) {
    require(value <= type(uint192).max, "SafeCast: value doesn't fit in 192 bits");
    return uint192(value);
  }

  /**
   * @dev Returns the downcasted uint184 from uint256, reverting on
   * overflow (when the input is greater than largest uint184).
   *
   * Counterpart to Solidity's `uint184` operator.
   *
   * Requirements:
   *
   * - input must fit into 184 bits
   *
   * _Available since v4.7._
   */
  function toUint184(uint256 value) internal pure returns (uint184) {
    require(value <= type(uint184).max, "SafeCast: value doesn't fit in 184 bits");
    return uint184(value);
  }

  /**
   * @dev Returns the downcasted uint176 from uint256, reverting on
   * overflow (when the input is greater than largest uint176).
   *
   * Counterpart to Solidity's `uint176` operator.
   *
   * Requirements:
   *
   * - input must fit into 176 bits
   *
   * _Available since v4.7._
   */
  function toUint176(uint256 value) internal pure returns (uint176) {
    require(value <= type(uint176).max, "SafeCast: value doesn't fit in 176 bits");
    return uint176(value);
  }

  /**
   * @dev Returns the downcasted uint168 from uint256, reverting on
   * overflow (when the input is greater than largest uint168).
   *
   * Counterpart to Solidity's `uint168` operator.
   *
   * Requirements:
   *
   * - input must fit into 168 bits
   *
   * _Available since v4.7._
   */
  function toUint168(uint256 value) internal pure returns (uint168) {
    require(value <= type(uint168).max, "SafeCast: value doesn't fit in 168 bits");
    return uint168(value);
  }

  /**
   * @dev Returns the downcasted uint160 from uint256, reverting on
   * overflow (when the input is greater than largest uint160).
   *
   * Counterpart to Solidity's `uint160` operator.
   *
   * Requirements:
   *
   * - input must fit into 160 bits
   *
   * _Available since v4.7._
   */
  function toUint160(uint256 value) internal pure returns (uint160) {
    require(value <= type(uint160).max, "SafeCast: value doesn't fit in 160 bits");
    return uint160(value);
  }

  /**
   * @dev Returns the downcasted uint152 from uint256, reverting on
   * overflow (when the input is greater than largest uint152).
   *
   * Counterpart to Solidity's `uint152` operator.
   *
   * Requirements:
   *
   * - input must fit into 152 bits
   *
   * _Available since v4.7._
   */
  function toUint152(uint256 value) internal pure returns (uint152) {
    require(value <= type(uint152).max, "SafeCast: value doesn't fit in 152 bits");
    return uint152(value);
  }

  /**
   * @dev Returns the downcasted uint144 from uint256, reverting on
   * overflow (when the input is greater than largest uint144).
   *
   * Counterpart to Solidity's `uint144` operator.
   *
   * Requirements:
   *
   * - input must fit into 144 bits
   *
   * _Available since v4.7._
   */
  function toUint144(uint256 value) internal pure returns (uint144) {
    require(value <= type(uint144).max, "SafeCast: value doesn't fit in 144 bits");
    return uint144(value);
  }

  /**
   * @dev Returns the downcasted uint136 from uint256, reverting on
   * overflow (when the input is greater than largest uint136).
   *
   * Counterpart to Solidity's `uint136` operator.
   *
   * Requirements:
   *
   * - input must fit into 136 bits
   *
   * _Available since v4.7._
   */
  function toUint136(uint256 value) internal pure returns (uint136) {
    require(value <= type(uint136).max, "SafeCast: value doesn't fit in 136 bits");
    return uint136(value);
  }

  /**
   * @dev Returns the downcasted uint128 from uint256, reverting on
   * overflow (when the input is greater than largest uint128).
   *
   * Counterpart to Solidity's `uint128` operator.
   *
   * Requirements:
   *
   * - input must fit into 128 bits
   *
   * _Available since v2.5._
   */
  function toUint128(uint256 value) internal pure returns (uint128) {
    require(value <= type(uint128).max, "SafeCast: value doesn't fit in 128 bits");
    return uint128(value);
  }

  /**
   * @dev Returns the downcasted uint120 from uint256, reverting on
   * overflow (when the input is greater than largest uint120).
   *
   * Counterpart to Solidity's `uint120` operator.
   *
   * Requirements:
   *
   * - input must fit into 120 bits
   *
   * _Available since v4.7._
   */
  function toUint120(uint256 value) internal pure returns (uint120) {
    require(value <= type(uint120).max, "SafeCast: value doesn't fit in 120 bits");
    return uint120(value);
  }

  /**
   * @dev Returns the downcasted uint112 from uint256, reverting on
   * overflow (when the input is greater than largest uint112).
   *
   * Counterpart to Solidity's `uint112` operator.
   *
   * Requirements:
   *
   * - input must fit into 112 bits
   *
   * _Available since v4.7._
   */
  function toUint112(uint256 value) internal pure returns (uint112) {
    require(value <= type(uint112).max, "SafeCast: value doesn't fit in 112 bits");
    return uint112(value);
  }

  /**
   * @dev Returns the downcasted uint104 from uint256, reverting on
   * overflow (when the input is greater than largest uint104).
   *
   * Counterpart to Solidity's `uint104` operator.
   *
   * Requirements:
   *
   * - input must fit into 104 bits
   *
   * _Available since v4.7._
   */
  function toUint104(uint256 value) internal pure returns (uint104) {
    require(value <= type(uint104).max, "SafeCast: value doesn't fit in 104 bits");
    return uint104(value);
  }

  /**
   * @dev Returns the downcasted uint96 from uint256, reverting on
   * overflow (when the input is greater than largest uint96).
   *
   * Counterpart to Solidity's `uint96` operator.
   *
   * Requirements:
   *
   * - input must fit into 96 bits
   *
   * _Available since v4.2._
   */
  function toUint96(uint256 value) internal pure returns (uint96) {
    require(value <= type(uint96).max, "SafeCast: value doesn't fit in 96 bits");
    return uint96(value);
  }

  /**
   * @dev Returns the downcasted uint88 from uint256, reverting on
   * overflow (when the input is greater than largest uint88).
   *
   * Counterpart to Solidity's `uint88` operator.
   *
   * Requirements:
   *
   * - input must fit into 88 bits
   *
   * _Available since v4.7._
   */
  function toUint88(uint256 value) internal pure returns (uint88) {
    require(value <= type(uint88).max, "SafeCast: value doesn't fit in 88 bits");
    return uint88(value);
  }

  /**
   * @dev Returns the downcasted uint80 from uint256, reverting on
   * overflow (when the input is greater than largest uint80).
   *
   * Counterpart to Solidity's `uint80` operator.
   *
   * Requirements:
   *
   * - input must fit into 80 bits
   *
   * _Available since v4.7._
   */
  function toUint80(uint256 value) internal pure returns (uint80) {
    require(value <= type(uint80).max, "SafeCast: value doesn't fit in 80 bits");
    return uint80(value);
  }

  /**
   * @dev Returns the downcasted uint72 from uint256, reverting on
   * overflow (when the input is greater than largest uint72).
   *
   * Counterpart to Solidity's `uint72` operator.
   *
   * Requirements:
   *
   * - input must fit into 72 bits
   *
   * _Available since v4.7._
   */
  function toUint72(uint256 value) internal pure returns (uint72) {
    require(value <= type(uint72).max, "SafeCast: value doesn't fit in 72 bits");
    return uint72(value);
  }

  /**
   * @dev Returns the downcasted uint64 from uint256, reverting on
   * overflow (when the input is greater than largest uint64).
   *
   * Counterpart to Solidity's `uint64` operator.
   *
   * Requirements:
   *
   * - input must fit into 64 bits
   *
   * _Available since v2.5._
   */
  function toUint64(uint256 value) internal pure returns (uint64) {
    require(value <= type(uint64).max, "SafeCast: value doesn't fit in 64 bits");
    return uint64(value);
  }

  /**
   * @dev Returns the downcasted uint56 from uint256, reverting on
   * overflow (when the input is greater than largest uint56).
   *
   * Counterpart to Solidity's `uint56` operator.
   *
   * Requirements:
   *
   * - input must fit into 56 bits
   *
   * _Available since v4.7._
   */
  function toUint56(uint256 value) internal pure returns (uint56) {
    require(value <= type(uint56).max, "SafeCast: value doesn't fit in 56 bits");
    return uint56(value);
  }

  /**
   * @dev Returns the downcasted uint48 from uint256, reverting on
   * overflow (when the input is greater than largest uint48).
   *
   * Counterpart to Solidity's `uint48` operator.
   *
   * Requirements:
   *
   * - input must fit into 48 bits
   *
   * _Available since v4.7._
   */
  function toUint48(uint256 value) internal pure returns (uint48) {
    require(value <= type(uint48).max, "SafeCast: value doesn't fit in 48 bits");
    return uint48(value);
  }

  /**
   * @dev Returns the downcasted uint40 from uint256, reverting on
   * overflow (when the input is greater than largest uint40).
   *
   * Counterpart to Solidity's `uint40` operator.
   *
   * Requirements:
   *
   * - input must fit into 40 bits
   *
   * _Available since v4.7._
   */
  function toUint40(uint256 value) internal pure returns (uint40) {
    require(value <= type(uint40).max, "SafeCast: value doesn't fit in 40 bits");
    return uint40(value);
  }

  /**
   * @dev Returns the downcasted uint32 from uint256, reverting on
   * overflow (when the input is greater than largest uint32).
   *
   * Counterpart to Solidity's `uint32` operator.
   *
   * Requirements:
   *
   * - input must fit into 32 bits
   *
   * _Available since v2.5._
   */
  function toUint32(uint256 value) internal pure returns (uint32) {
    require(value <= type(uint32).max, "SafeCast: value doesn't fit in 32 bits");
    return uint32(value);
  }

  /**
   * @dev Returns the downcasted uint24 from uint256, reverting on
   * overflow (when the input is greater than largest uint24).
   *
   * Counterpart to Solidity's `uint24` operator.
   *
   * Requirements:
   *
   * - input must fit into 24 bits
   *
   * _Available since v4.7._
   */
  function toUint24(uint256 value) internal pure returns (uint24) {
    require(value <= type(uint24).max, "SafeCast: value doesn't fit in 24 bits");
    return uint24(value);
  }

  /**
   * @dev Returns the downcasted uint16 from uint256, reverting on
   * overflow (when the input is greater than largest uint16).
   *
   * Counterpart to Solidity's `uint16` operator.
   *
   * Requirements:
   *
   * - input must fit into 16 bits
   *
   * _Available since v2.5._
   */
  function toUint16(uint256 value) internal pure returns (uint16) {
    require(value <= type(uint16).max, "SafeCast: value doesn't fit in 16 bits");
    return uint16(value);
  }

  /**
   * @dev Returns the downcasted uint8 from uint256, reverting on
   * overflow (when the input is greater than largest uint8).
   *
   * Counterpart to Solidity's `uint8` operator.
   *
   * Requirements:
   *
   * - input must fit into 8 bits
   *
   * _Available since v2.5._
   */
  function toUint8(uint256 value) internal pure returns (uint8) {
    require(value <= type(uint8).max, "SafeCast: value doesn't fit in 8 bits");
    return uint8(value);
  }

  /**
   * @dev Converts a signed int256 into an unsigned uint256.
   *
   * Requirements:
   *
   * - input must be greater than or equal to 0.
   *
   * _Available since v3.0._
   */
  function toUint256(int256 value) internal pure returns (uint256) {
    require(value >= 0, "SafeCast: value must be positive");
    return uint256(value);
  }

  /**
   * @dev Returns the downcasted int248 from int256, reverting on
   * overflow (when the input is less than smallest int248 or
   * greater than largest int248).
   *
   * Counterpart to Solidity's `int248` operator.
   *
   * Requirements:
   *
   * - input must fit into 248 bits
   *
   * _Available since v4.7._
   */
  function toInt248(int256 value) internal pure returns (int248 downcasted) {
    downcasted = int248(value);
    require(downcasted == value, "SafeCast: value doesn't fit in 248 bits");
  }

  /**
   * @dev Returns the downcasted int240 from int256, reverting on
   * overflow (when the input is less than smallest int240 or
   * greater than largest int240).
   *
   * Counterpart to Solidity's `int240` operator.
   *
   * Requirements:
   *
   * - input must fit into 240 bits
   *
   * _Available since v4.7._
   */
  function toInt240(int256 value) internal pure returns (int240 downcasted) {
    downcasted = int240(value);
    require(downcasted == value, "SafeCast: value doesn't fit in 240 bits");
  }

  /**
   * @dev Returns the downcasted int232 from int256, reverting on
   * overflow (when the input is less than smallest int232 or
   * greater than largest int232).
   *
   * Counterpart to Solidity's `int232` operator.
   *
   * Requirements:
   *
   * - input must fit into 232 bits
   *
   * _Available since v4.7._
   */
  function toInt232(int256 value) internal pure returns (int232 downcasted) {
    downcasted = int232(value);
    require(downcasted == value, "SafeCast: value doesn't fit in 232 bits");
  }

  /**
   * @dev Returns the downcasted int224 from int256, reverting on
   * overflow (when the input is less than smallest int224 or
   * greater than largest int224).
   *
   * Counterpart to Solidity's `int224` operator.
   *
   * Requirements:
   *
   * - input must fit into 224 bits
   *
   * _Available since v4.7._
   */
  function toInt224(int256 value) internal pure returns (int224 downcasted) {
    downcasted = int224(value);
    require(downcasted == value, "SafeCast: value doesn't fit in 224 bits");
  }

  /**
   * @dev Returns the downcasted int216 from int256, reverting on
   * overflow (when the input is less than smallest int216 or
   * greater than largest int216).
   *
   * Counterpart to Solidity's `int216` operator.
   *
   * Requirements:
   *
   * - input must fit into 216 bits
   *
   * _Available since v4.7._
   */
  function toInt216(int256 value) internal pure returns (int216 downcasted) {
    downcasted = int216(value);
    require(downcasted == value, "SafeCast: value doesn't fit in 216 bits");
  }

  /**
   * @dev Returns the downcasted int208 from int256, reverting on
   * overflow (when the input is less than smallest int208 or
   * greater than largest int208).
   *
   * Counterpart to Solidity's `int208` operator.
   *
   * Requirements:
   *
   * - input must fit into 208 bits
   *
   * _Available since v4.7._
   */
  function toInt208(int256 value) internal pure returns (int208 downcasted) {
    downcasted = int208(value);
    require(downcasted == value, "SafeCast: value doesn't fit in 208 bits");
  }

  /**
   * @dev Returns the downcasted int200 from int256, reverting on
   * overflow (when the input is less than smallest int200 or
   * greater than largest int200).
   *
   * Counterpart to Solidity's `int200` operator.
   *
   * Requirements:
   *
   * - input must fit into 200 bits
   *
   * _Available since v4.7._
   */
  function toInt200(int256 value) internal pure returns (int200 downcasted) {
    downcasted = int200(value);
    require(downcasted == value, "SafeCast: value doesn't fit in 200 bits");
  }

  /**
   * @dev Returns the downcasted int192 from int256, reverting on
   * overflow (when the input is less than smallest int192 or
   * greater than largest int192).
   *
   * Counterpart to Solidity's `int192` operator.
   *
   * Requirements:
   *
   * - input must fit into 192 bits
   *
   * _Available since v4.7._
   */
  function toInt192(int256 value) internal pure returns (int192 downcasted) {
    downcasted = int192(value);
    require(downcasted == value, "SafeCast: value doesn't fit in 192 bits");
  }

  /**
   * @dev Returns the downcasted int184 from int256, reverting on
   * overflow (when the input is less than smallest int184 or
   * greater than largest int184).
   *
   * Counterpart to Solidity's `int184` operator.
   *
   * Requirements:
   *
   * - input must fit into 184 bits
   *
   * _Available since v4.7._
   */
  function toInt184(int256 value) internal pure returns (int184 downcasted) {
    downcasted = int184(value);
    require(downcasted == value, "SafeCast: value doesn't fit in 184 bits");
  }

  /**
   * @dev Returns the downcasted int176 from int256, reverting on
   * overflow (when the input is less than smallest int176 or
   * greater than largest int176).
   *
   * Counterpart to Solidity's `int176` operator.
   *
   * Requirements:
   *
   * - input must fit into 176 bits
   *
   * _Available since v4.7._
   */
  function toInt176(int256 value) internal pure returns (int176 downcasted) {
    downcasted = int176(value);
    require(downcasted == value, "SafeCast: value doesn't fit in 176 bits");
  }

  /**
   * @dev Returns the downcasted int168 from int256, reverting on
   * overflow (when the input is less than smallest int168 or
   * greater than largest int168).
   *
   * Counterpart to Solidity's `int168` operator.
   *
   * Requirements:
   *
   * - input must fit into 168 bits
   *
   * _Available since v4.7._
   */
  function toInt168(int256 value) internal pure returns (int168 downcasted) {
    downcasted = int168(value);
    require(downcasted == value, "SafeCast: value doesn't fit in 168 bits");
  }

  /**
   * @dev Returns the downcasted int160 from int256, reverting on
   * overflow (when the input is less than smallest int160 or
   * greater than largest int160).
   *
   * Counterpart to Solidity's `int160` operator.
   *
   * Requirements:
   *
   * - input must fit into 160 bits
   *
   * _Available since v4.7._
   */
  function toInt160(int256 value) internal pure returns (int160 downcasted) {
    downcasted = int160(value);
    require(downcasted == value, "SafeCast: value doesn't fit in 160 bits");
  }

  /**
   * @dev Returns the downcasted int152 from int256, reverting on
   * overflow (when the input is less than smallest int152 or
   * greater than largest int152).
   *
   * Counterpart to Solidity's `int152` operator.
   *
   * Requirements:
   *
   * - input must fit into 152 bits
   *
   * _Available since v4.7._
   */
  function toInt152(int256 value) internal pure returns (int152 downcasted) {
    downcasted = int152(value);
    require(downcasted == value, "SafeCast: value doesn't fit in 152 bits");
  }

  /**
   * @dev Returns the downcasted int144 from int256, reverting on
   * overflow (when the input is less than smallest int144 or
   * greater than largest int144).
   *
   * Counterpart to Solidity's `int144` operator.
   *
   * Requirements:
   *
   * - input must fit into 144 bits
   *
   * _Available since v4.7._
   */
  function toInt144(int256 value) internal pure returns (int144 downcasted) {
    downcasted = int144(value);
    require(downcasted == value, "SafeCast: value doesn't fit in 144 bits");
  }

  /**
   * @dev Returns the downcasted int136 from int256, reverting on
   * overflow (when the input is less than smallest int136 or
   * greater than largest int136).
   *
   * Counterpart to Solidity's `int136` operator.
   *
   * Requirements:
   *
   * - input must fit into 136 bits
   *
   * _Available since v4.7._
   */
  function toInt136(int256 value) internal pure returns (int136 downcasted) {
    downcasted = int136(value);
    require(downcasted == value, "SafeCast: value doesn't fit in 136 bits");
  }

  /**
   * @dev Returns the downcasted int128 from int256, reverting on
   * overflow (when the input is less than smallest int128 or
   * greater than largest int128).
   *
   * Counterpart to Solidity's `int128` operator.
   *
   * Requirements:
   *
   * - input must fit into 128 bits
   *
   * _Available since v3.1._
   */
  function toInt128(int256 value) internal pure returns (int128 downcasted) {
    downcasted = int128(value);
    require(downcasted == value, "SafeCast: value doesn't fit in 128 bits");
  }

  /**
   * @dev Returns the downcasted int120 from int256, reverting on
   * overflow (when the input is less than smallest int120 or
   * greater than largest int120).
   *
   * Counterpart to Solidity's `int120` operator.
   *
   * Requirements:
   *
   * - input must fit into 120 bits
   *
   * _Available since v4.7._
   */
  function toInt120(int256 value) internal pure returns (int120 downcasted) {
    downcasted = int120(value);
    require(downcasted == value, "SafeCast: value doesn't fit in 120 bits");
  }

  /**
   * @dev Returns the downcasted int112 from int256, reverting on
   * overflow (when the input is less than smallest int112 or
   * greater than largest int112).
   *
   * Counterpart to Solidity's `int112` operator.
   *
   * Requirements:
   *
   * - input must fit into 112 bits
   *
   * _Available since v4.7._
   */
  function toInt112(int256 value) internal pure returns (int112 downcasted) {
    downcasted = int112(value);
    require(downcasted == value, "SafeCast: value doesn't fit in 112 bits");
  }

  /**
   * @dev Returns the downcasted int104 from int256, reverting on
   * overflow (when the input is less than smallest int104 or
   * greater than largest int104).
   *
   * Counterpart to Solidity's `int104` operator.
   *
   * Requirements:
   *
   * - input must fit into 104 bits
   *
   * _Available since v4.7._
   */
  function toInt104(int256 value) internal pure returns (int104 downcasted) {
    downcasted = int104(value);
    require(downcasted == value, "SafeCast: value doesn't fit in 104 bits");
  }

  /**
   * @dev Returns the downcasted int96 from int256, reverting on
   * overflow (when the input is less than smallest int96 or
   * greater than largest int96).
   *
   * Counterpart to Solidity's `int96` operator.
   *
   * Requirements:
   *
   * - input must fit into 96 bits
   *
   * _Available since v4.7._
   */
  function toInt96(int256 value) internal pure returns (int96 downcasted) {
    downcasted = int96(value);
    require(downcasted == value, "SafeCast: value doesn't fit in 96 bits");
  }

  /**
   * @dev Returns the downcasted int88 from int256, reverting on
   * overflow (when the input is less than smallest int88 or
   * greater than largest int88).
   *
   * Counterpart to Solidity's `int88` operator.
   *
   * Requirements:
   *
   * - input must fit into 88 bits
   *
   * _Available since v4.7._
   */
  function toInt88(int256 value) internal pure returns (int88 downcasted) {
    downcasted = int88(value);
    require(downcasted == value, "SafeCast: value doesn't fit in 88 bits");
  }

  /**
   * @dev Returns the downcasted int80 from int256, reverting on
   * overflow (when the input is less than smallest int80 or
   * greater than largest int80).
   *
   * Counterpart to Solidity's `int80` operator.
   *
   * Requirements:
   *
   * - input must fit into 80 bits
   *
   * _Available since v4.7._
   */
  function toInt80(int256 value) internal pure returns (int80 downcasted) {
    downcasted = int80(value);
    require(downcasted == value, "SafeCast: value doesn't fit in 80 bits");
  }

  /**
   * @dev Returns the downcasted int72 from int256, reverting on
   * overflow (when the input is less than smallest int72 or
   * greater than largest int72).
   *
   * Counterpart to Solidity's `int72` operator.
   *
   * Requirements:
   *
   * - input must fit into 72 bits
   *
   * _Available since v4.7._
   */
  function toInt72(int256 value) internal pure returns (int72 downcasted) {
    downcasted = int72(value);
    require(downcasted == value, "SafeCast: value doesn't fit in 72 bits");
  }

  /**
   * @dev Returns the downcasted int64 from int256, reverting on
   * overflow (when the input is less than smallest int64 or
   * greater than largest int64).
   *
   * Counterpart to Solidity's `int64` operator.
   *
   * Requirements:
   *
   * - input must fit into 64 bits
   *
   * _Available since v3.1._
   */
  function toInt64(int256 value) internal pure returns (int64 downcasted) {
    downcasted = int64(value);
    require(downcasted == value, "SafeCast: value doesn't fit in 64 bits");
  }

  /**
   * @dev Returns the downcasted int56 from int256, reverting on
   * overflow (when the input is less than smallest int56 or
   * greater than largest int56).
   *
   * Counterpart to Solidity's `int56` operator.
   *
   * Requirements:
   *
   * - input must fit into 56 bits
   *
   * _Available since v4.7._
   */
  function toInt56(int256 value) internal pure returns (int56 downcasted) {
    downcasted = int56(value);
    require(downcasted == value, "SafeCast: value doesn't fit in 56 bits");
  }

  /**
   * @dev Returns the downcasted int48 from int256, reverting on
   * overflow (when the input is less than smallest int48 or
   * greater than largest int48).
   *
   * Counterpart to Solidity's `int48` operator.
   *
   * Requirements:
   *
   * - input must fit into 48 bits
   *
   * _Available since v4.7._
   */
  function toInt48(int256 value) internal pure returns (int48 downcasted) {
    downcasted = int48(value);
    require(downcasted == value, "SafeCast: value doesn't fit in 48 bits");
  }

  /**
   * @dev Returns the downcasted int40 from int256, reverting on
   * overflow (when the input is less than smallest int40 or
   * greater than largest int40).
   *
   * Counterpart to Solidity's `int40` operator.
   *
   * Requirements:
   *
   * - input must fit into 40 bits
   *
   * _Available since v4.7._
   */
  function toInt40(int256 value) internal pure returns (int40 downcasted) {
    downcasted = int40(value);
    require(downcasted == value, "SafeCast: value doesn't fit in 40 bits");
  }

  /**
   * @dev Returns the downcasted int32 from int256, reverting on
   * overflow (when the input is less than smallest int32 or
   * greater than largest int32).
   *
   * Counterpart to Solidity's `int32` operator.
   *
   * Requirements:
   *
   * - input must fit into 32 bits
   *
   * _Available since v3.1._
   */
  function toInt32(int256 value) internal pure returns (int32 downcasted) {
    downcasted = int32(value);
    require(downcasted == value, "SafeCast: value doesn't fit in 32 bits");
  }

  /**
   * @dev Returns the downcasted int24 from int256, reverting on
   * overflow (when the input is less than smallest int24 or
   * greater than largest int24).
   *
   * Counterpart to Solidity's `int24` operator.
   *
   * Requirements:
   *
   * - input must fit into 24 bits
   *
   * _Available since v4.7._
   */
  function toInt24(int256 value) internal pure returns (int24 downcasted) {
    downcasted = int24(value);
    require(downcasted == value, "SafeCast: value doesn't fit in 24 bits");
  }

  /**
   * @dev Returns the downcasted int16 from int256, reverting on
   * overflow (when the input is less than smallest int16 or
   * greater than largest int16).
   *
   * Counterpart to Solidity's `int16` operator.
   *
   * Requirements:
   *
   * - input must fit into 16 bits
   *
   * _Available since v3.1._
   */
  function toInt16(int256 value) internal pure returns (int16 downcasted) {
    downcasted = int16(value);
    require(downcasted == value, "SafeCast: value doesn't fit in 16 bits");
  }

  /**
   * @dev Returns the downcasted int8 from int256, reverting on
   * overflow (when the input is less than smallest int8 or
   * greater than largest int8).
   *
   * Counterpart to Solidity's `int8` operator.
   *
   * Requirements:
   *
   * - input must fit into 8 bits
   *
   * _Available since v3.1._
   */
  function toInt8(int256 value) internal pure returns (int8 downcasted) {
    downcasted = int8(value);
    require(downcasted == value, "SafeCast: value doesn't fit in 8 bits");
  }

  /**
   * @dev Converts an unsigned uint256 into a signed int256.
   *
   * Requirements:
   *
   * - input must be less than or equal to maxInt256.
   *
   * _Available since v3.0._
   */
  function toInt256(uint256 value) internal pure returns (int256) {
    // Note: Unsafe cast below is okay because `type(int256).max` is guaranteed to be positive
    require(value <= uint256(type(int256).max), "SafeCast: value doesn't fit in an int256");
    return int256(value);
  }
}

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

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AutomationRegistryLogicA2_3","name":"logicA","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":[{"internalType":"uint256","name":"available","type":"uint256"},{"internalType":"uint256","name":"requested","type":"uint256"}],"name":"InsufficientBalance","type":"error"},{"inputs":[],"name":"InsufficientLinkLiquidity","type":"error"},{"inputs":[],"name":"InvalidDataLength","type":"error"},{"inputs":[],"name":"InvalidFeed","type":"error"},{"inputs":[],"name":"InvalidPayee","type":"error"},{"inputs":[],"name":"InvalidRecipient","type":"error"},{"inputs":[],"name":"InvalidReport","type":"error"},{"inputs":[],"name":"InvalidSigner","type":"error"},{"inputs":[],"name":"InvalidToken","type":"error"},{"inputs":[],"name":"InvalidTransmitter","type":"error"},{"inputs":[],"name":"InvalidTrigger","type":"error"},{"inputs":[],"name":"InvalidTriggerType","type":"error"},{"inputs":[],"name":"MigrationNotPermitted","type":"error"},{"inputs":[],"name":"MustSettleOffchain","type":"error"},{"inputs":[],"name":"MustSettleOnchain","type":"error"},{"inputs":[],"name":"NotAContract","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":"OnlyCallableByUpkeepPrivilegeManager","type":"error"},{"inputs":[],"name":"OnlyFinanceAdmin","type":"error"},{"inputs":[],"name":"OnlyPausedUpkeep","type":"error"},{"inputs":[],"name":"OnlySimulatedBackend","type":"error"},{"inputs":[],"name":"OnlyUnpausedUpkeep","type":"error"},{"inputs":[],"name":"ParameterLengthError","type":"error"},{"inputs":[],"name":"ReentrantCall","type":"error"},{"inputs":[],"name":"RegistryPaused","type":"error"},{"inputs":[],"name":"RepeatedSigner","type":"error"},{"inputs":[],"name":"RepeatedTransmitter","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":"TransferFailed","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"},{"inputs":[],"name":"ZeroAddressNotAllowed","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"admin","type":"address"},{"indexed":false,"internalType":"bytes","name":"privilegeConfig","type":"bytes"}],"name":"AdminPrivilegeConfigSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"},{"components":[{"internalType":"uint32","name":"gasFeePPB","type":"uint32"},{"internalType":"uint24","name":"flatFeeMilliCents","type":"uint24"}],"indexed":false,"internalType":"struct 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000000000000000000000000ae778b63fcb0c6b57c9a9e839c0706c7a0496489

-----Decoded View---------------
Arg [0] : logicA (address): 0xAE778B63FCB0C6b57c9a9e839C0706c7a0496489

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000ae778b63fcb0c6b57c9a9e839c0706c7a0496489