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// SPDX-License-Identifier: MIT
pragma solidity 0.8.19;

import {ConfirmedOwner} from "../../shared/access/ConfirmedOwner.sol";
import {IVerifier} from "./interfaces/IVerifier.sol";
import {IVerifierProxy} from "./interfaces/IVerifierProxy.sol";
import {TypeAndVersionInterface} from "../../interfaces/TypeAndVersionInterface.sol";
import {IERC165} from "../../vendor/openzeppelin-solidity/v4.8.3/contracts/interfaces/IERC165.sol";
import {Common} from "../libraries/Common.sol";

// OCR2 standard
uint256 constant MAX_NUM_ORACLES = 31;

/*
 * The verifier contract is used to verify offchain reports signed
 * by DONs. A report consists of a price, block number and feed Id. It
 * represents the observed price of an asset at a specified block number for
 * a feed. The verifier contract is used to verify that such reports have
 * been signed by the correct signers.
 **/
contract Verifier is IVerifier, ConfirmedOwner, TypeAndVersionInterface {
  // The first byte of the mask can be 0, because we only ever have 31 oracles
  uint256 internal constant ORACLE_MASK = 0x0001010101010101010101010101010101010101010101010101010101010101;

  enum Role {
    // Default role for an oracle address.  This means that the oracle address
    // is not a signer
    Unset,
    // Role given to an oracle address that is allowed to sign a report
    Signer
  }

  struct Signer {
    // Index of oracle in a configuration
    uint8 index;
    // The oracle's role
    Role role;
  }

  struct VerifierState {
    // The block number of the block the last time the configuration was updated.
    uint32 latestConfigBlockNumber;
    // Whether the config is deactivated
    bool isActive;
    // Fault tolerance
    uint8 f;
    // Number of signers
    uint8 oracleCount;
    // Map of signer addresses to oracles
    mapping(address => Signer) oracles;
  }

  /// @notice This event is emitted when a new report is verified.
  /// It is used to keep a historical record of verified reports.
  event ReportVerified(bytes32 indexed feedId, address requester);

  /// @notice This event is emitted whenever a new DON configuration is set.
  event ConfigSet(
    bytes32 indexed configDigest,
    address[] signers,
    uint8 f
  );

  /// @notice This event is
  event ConfigUpdated(
    bytes32 indexed configDigest,
    address[] prevSigners,
    address[] newSigners
  );

  /// @notice This event is emitted whenever a configuration is deactivated
  event ConfigDeactivated(bytes32 indexed configDigest);

  /// @notice This event is emitted whenever a configuration is activated
  event ConfigActivated(bytes32 indexed configDigest);

  /// @notice This error is thrown whenever an address tries
  /// to exeecute a transaction that it is not authorized to do so
  error AccessForbidden();

  /// @notice This error is thrown whenever a zero address is passed
  error ZeroAddress();

  /// @notice This error is thrown whenever the config digest
  /// is empty
  error DigestEmpty();

  /// @notice This error is thrown whenever the config digest
  /// passed in has not been set in this verifier
  /// @param configDigest The config digest that has not been set
  error DigestNotSet(bytes32 configDigest);

  /// @notice This error is thrown whenever the config digest
  /// has been deactivated
  /// @param configDigest The config digest that is inactive
  error DigestInactive(bytes32 configDigest);

  /// @notice This error is thrown whenever trying to set a config
  /// with a fault tolerance of 0
  error FaultToleranceMustBePositive();

  /// @notice This error is thrown whenever a report is signed
  /// with more than the max number of signers
  /// @param numSigners The number of signers who have signed the report
  /// @param maxSigners The maximum number of signers that can sign a report
  error ExcessSigners(uint256 numSigners, uint256 maxSigners);

  /// @notice This error is thrown whenever a report is signed
  /// with less than the minimum number of signers
  /// @param numSigners The number of signers who have signed the report
  /// @param minSigners The minimum number of signers that need to sign a report
  error InsufficientSigners(uint256 numSigners, uint256 minSigners);

  /// @notice This error is thrown whenever a report is signed
  /// with an incorrect number of signers
  /// @param numSigners The number of signers who have signed the report
  /// @param expectedNumSigners The expected number of signers that need to sign
  /// a report
  error IncorrectSignatureCount(uint256 numSigners, uint256 expectedNumSigners);

  /// @notice This error is thrown whenever the R and S signer components
  /// have different lengths
  /// @param rsLength The number of r signature components
  /// @param ssLength The number of s signature components
  error MismatchedSignatures(uint256 rsLength, uint256 ssLength);

  /// @notice This error is thrown whenever setting a config with duplicate signatures
  error NonUniqueSignatures();

  /// @notice This error is thrown whenever a report fails to verify due to bad or duplicate signatures
  error BadVerification();

  /// @notice This error is thrown whenever a config digest is already set when setting the configuration
  error ConfigDigestAlreadySet();

  /// @notice The address of the verifier proxy
  address private immutable i_verifierProxyAddr;

  /// @notice Verifier states keyed on config digest
  mapping(bytes32 => VerifierState) internal s_verifierStates;

  /// @param verifierProxyAddr The address of the VerifierProxy contract
  constructor(address verifierProxyAddr) ConfirmedOwner(msg.sender) {
    if (verifierProxyAddr == address(0)) revert ZeroAddress();
    i_verifierProxyAddr = verifierProxyAddr;
  }

  modifier checkConfigValid(uint256 numSigners, uint256 f) {
    if (f == 0) revert FaultToleranceMustBePositive();
    if (numSigners > MAX_NUM_ORACLES) revert ExcessSigners(numSigners, MAX_NUM_ORACLES);
    if (numSigners <= 3 * f) revert InsufficientSigners(numSigners, 3 * f + 1);
    _;
  }

  /// @inheritdoc IERC165
  function supportsInterface(bytes4 interfaceId) external pure override returns (bool isVerifier) {
    return interfaceId == this.verify.selector;
  }

  /// @inheritdoc TypeAndVersionInterface
  function typeAndVersion() external pure override returns (string memory) {
    return "Verifier 2.0.0";
  }

  /// @inheritdoc IVerifier
  function verify(
    bytes calldata signedReport,
    address sender
  ) external override returns (bytes memory verifierResponse) {
    if (msg.sender != i_verifierProxyAddr) revert AccessForbidden();
    (
      bytes32[3] memory reportContext,
      bytes memory reportData,
      bytes32[] memory rs,
      bytes32[] memory ss,
      bytes32 rawVs
    ) = abi.decode(signedReport, (bytes32[3], bytes, bytes32[], bytes32[], bytes32));

    // reportContext consists of:
    // reportContext[0]: ConfigDigest
    // reportContext[1]: 27 byte padding, 4-byte epoch and 1-byte round
    // reportContext[2]: ExtraHash
    bytes32 configDigest = reportContext[0];

    VerifierState storage verifierState = s_verifierStates[configDigest];

    _validateReport(configDigest, rs, ss, verifierState);

    bytes32 hashedReport = keccak256(reportData);

    _verifySignatures(hashedReport, reportContext, rs, ss, rawVs, verifierState);
    emit ReportVerified(bytes32(reportData), sender);

    return reportData;
  }

  /// @notice Validates parameters of the report
  /// @param configDigest Config digest from the report
  /// @param rs R components from the report
  /// @param ss S components from the report
  /// @param config Config for the given digest
  function _validateReport(
    bytes32 configDigest,
    bytes32[] memory rs,
    bytes32[] memory ss,
    VerifierState storage config
  ) private view {
    uint8 expectedNumSignatures = config.f + 1;

    if (!config.isActive) revert DigestInactive(configDigest);
    if (rs.length != expectedNumSignatures) revert IncorrectSignatureCount(rs.length, expectedNumSignatures);
    if (rs.length != ss.length) revert MismatchedSignatures(rs.length, ss.length);
  }


  /// @notice Verifies that a report has been signed by the correct
  /// signers and that enough signers have signed the reports.
  /// @param hashedReport The keccak256 hash of the raw report's bytes
  /// @param reportContext The context the report was signed in
  /// @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
  /// @param config The config digest the report was signed for
  function _verifySignatures(
    bytes32 hashedReport,
    bytes32[3] memory reportContext,
    bytes32[] memory rs,
    bytes32[] memory ss,
    bytes32 rawVs,
    VerifierState storage config
  ) private view {
    bytes32 h = keccak256(abi.encodePacked(hashedReport, reportContext));
    // i-th byte counts number of sigs made by i-th signer
    uint256 signedCount;

    Signer memory o;
    address signerAddress;
    uint256 numSigners = rs.length;
    for (uint256 i; i < numSigners; ++i) {
      signerAddress = ecrecover(h, uint8(rawVs[i]) + 27, rs[i], ss[i]);
      o = config.oracles[signerAddress];
      if (o.role != Role.Signer) revert BadVerification();
      unchecked {
        signedCount += 1 << (8 * o.index);
      }
    }

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

  /// @inheritdoc IVerifier
  function updateConfig(
    bytes32 configDigest,
    address[] calldata prevSigners,
    address[] calldata newSigners,
    uint8 f
  ) external override checkConfigValid(newSigners.length, f) onlyOwner {
    VerifierState storage config = s_verifierStates[configDigest];

    if (config.f == 0) revert DigestNotSet(configDigest);

    // We must be removing the number of signers that were originally set
    if(config.oracleCount != prevSigners.length){
      revert NonUniqueSignatures();
    }

    for (uint256 i; i < prevSigners.length; ++i) {
      // Check the signers being removed are not zero address or duplicates
      if(config.oracles[prevSigners[i]].role == Role.Unset){
        revert NonUniqueSignatures();
      }

      delete config.oracles[prevSigners[i]];
    }

    // Once signers have been cleared we can set the new signers
    _setConfig(configDigest, newSigners, f, new Common.AddressAndWeight[](0), true);


    emit ConfigUpdated(configDigest, prevSigners, newSigners);
  }

  /// @inheritdoc IVerifier
  function setConfig(
    bytes32 configDigest,
    address[] calldata signers,
    uint8 f,
    Common.AddressAndWeight[] memory recipientAddressesAndWeights
  ) external override checkConfigValid(signers.length, f) onlyOwner {
    _setConfig(configDigest, signers, f, recipientAddressesAndWeights, false);
  }

  function _setConfig(
    bytes32 configDigest,
    address[] calldata signers,
    uint8 f,
    Common.AddressAndWeight[] memory recipientAddressesAndWeights,
    bool _updateConfig
  ) internal {
    VerifierState storage verifierState = s_verifierStates[configDigest];

    if(verifierState.f > 0 && !_updateConfig) {
      revert ConfigDigestAlreadySet();
    }

    verifierState.latestConfigBlockNumber = uint32(block.number);
    verifierState.f = f;
    verifierState.isActive = true;
    verifierState.oracleCount = uint8(signers.length);

    for (uint8 i; i < signers.length; ++i) {
      address signerAddr = signers[i];
      if (signerAddr == address(0)) revert ZeroAddress();

      // All signer roles are unset by default for a new config digest.
      // Here the contract checks to see if a signer's address has already
      // been set to ensure that the group of signer addresses that will
      // sign reports with the config digest are unique.
      bool isSignerAlreadySet = verifierState.oracles[signerAddr].role !=
        Role.Unset;
      if (isSignerAlreadySet) revert NonUniqueSignatures();
      verifierState.oracles[signerAddr] = Signer({
        role: Role.Signer,
        index: i
      });
    }

    if(!_updateConfig) {
      IVerifierProxy(i_verifierProxyAddr).setVerifier(
        bytes32(0),
        configDigest,
        recipientAddressesAndWeights
      );

      emit ConfigSet(
        configDigest,
        signers,
        f
      );
    }
  }

  /// @inheritdoc IVerifier
  function activateConfig(bytes32 configDigest) external onlyOwner {
    VerifierState storage verifierState = s_verifierStates[configDigest];

    if (configDigest == bytes32("")) revert DigestEmpty();
    if (verifierState.f == 0) revert DigestNotSet(configDigest);
    verifierState.isActive = true;
    emit ConfigActivated(configDigest);
  }

  /// @inheritdoc IVerifier
  function deactivateConfig(bytes32 configDigest) external onlyOwner {
    VerifierState storage verifierState = s_verifierStates[configDigest];

    if (configDigest == bytes32("")) revert DigestEmpty();
    if (verifierState.f == 0) revert DigestNotSet(configDigest);
    verifierState.isActive = false;
    emit ConfigDeactivated(configDigest);
  }

  /// @inheritdoc IVerifier
  function latestConfigDetails(
    bytes32 configDigest
  ) external view override returns (uint32 blockNumber) {
    VerifierState storage verifierState = s_verifierStates[configDigest];
    return (
      verifierState.latestConfigBlockNumber
    );
  }
}

// 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 0.8.19;

import {IERC165} from "../../../vendor/openzeppelin-solidity/v4.8.3/contracts/interfaces/IERC165.sol";
import {Common} from "../../libraries/Common.sol";

interface IVerifier is IERC165 {
  /**
   * @notice Verifies that the data encoded has been signed
   * correctly by routing to the correct verifier.
   * @param signedReport The encoded data to be verified.
   * @param sender The address that requested to verify the contract.
   * This is only used for logging purposes.
   * @dev Verification is typically only done through the proxy contract so
   * we can't just use msg.sender to log the requester as the msg.sender
   * contract will always be the proxy.
   * @return verifierResponse The encoded verified response.
   */
  function verify(bytes calldata signedReport, address sender) external returns (bytes memory verifierResponse);

  /**
   * @notice sets a configuration and its associated keys and f
   * @param configDigest The digest of the configuration we're setting
   * @param signers addresses with which oracles sign the reports
   * @param f number of faulty oracles the system can tolerate
   * @param recipientAddressesAndWeights the addresses and weights of all the recipients to receive rewards
   */
  function setConfig(
    bytes32 configDigest,
    address[] calldata signers,
    uint8 f,
    Common.AddressAndWeight[] memory recipientAddressesAndWeights
  ) external;

  /**
   * @notice updates a configuration that has been set
   * @param configDigest The digest of the configuration we're updating
   * @param prevSigners the existing signers that need to be removed
   * @param newSigners the signers to be added
   * @param f the newnumber of faulty oracles the system can tolerate
   */
  function updateConfig(
    bytes32 configDigest,
    address[] calldata prevSigners,
    address[] calldata newSigners,
    uint8 f
  ) external;

  /**
   * @notice Activates the configuration for a config digest
   * @param configDigest The config digest to activate
   * @dev This function can be called by the contract admin to activate a configuration.
   */
  function activateConfig(bytes32 configDigest) external;

  /**
   * @notice Deactivates the configuration for a config digest
   * @param configDigest The config digest to deactivate
   * @dev This function can be called by the contract admin to deactivate an incorrect configuration.
   */
  function deactivateConfig(bytes32 configDigest) external;

  /**
   * @notice information about current offchain reporting protocol configuration
   * @param configDigest Config Digest to fetch data for
   * @return blockNumber block at which this config was set
   */
  function latestConfigDetails(
    bytes32 configDigest
  ) external view returns (uint32 blockNumber);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.19;

import {Common} from "../../libraries/Common.sol";
import {AccessControllerInterface} from "../../../shared/interfaces/AccessControllerInterface.sol";
import {IVerifierFeeManager} from "./IVerifierFeeManager.sol";

interface IVerifierProxy {
  /**
   * @notice Verifies that the data encoded has been signed
   * correctly by routing to the correct verifier, and bills the user if applicable.
   * @param payload The encoded data to be verified, including the signed
   * report.
   * @param parameterPayload fee metadata for billing
   * @return verifierResponse The encoded report from the verifier.
   */
  function verify(
    bytes calldata payload,
    bytes calldata parameterPayload
  ) external payable returns (bytes memory verifierResponse);

  /**
   * @notice Bulk verifies that the data encoded has been signed
   * correctly by routing to the correct verifier, and bills the user if applicable.
   * @param payloads The encoded payloads to be verified, including the signed
   * report.
   * @param parameterPayload fee metadata for billing
   * @return verifiedReports The encoded reports from the verifier.
   */
  function verifyBulk(
    bytes[] calldata payloads,
    bytes calldata parameterPayload
  ) external payable returns (bytes[] memory verifiedReports);

  /**
   * @notice Sets the verifier address initially, allowing `setVerifier` to be set by this Verifier in the future
   * @param verifierAddress The address of the verifier contract to initialize
   */
  function initializeVerifier(address verifierAddress) external;

  /**
   * @notice Sets a new verifier for a config digest
   * @param currentConfigDigest The current config digest
   * @param newConfigDigest The config digest to set
   * @param addressesAndWeights The addresses and weights of reward recipients
   * reports for a given config digest.
   */
  function setVerifier(
    bytes32 currentConfigDigest,
    bytes32 newConfigDigest,
    Common.AddressAndWeight[] memory addressesAndWeights
  ) external;

  /**
   * @notice Removes a verifier for a given config digest
   * @param configDigest The config digest of the verifier to remove
   */
  function unsetVerifier(bytes32 configDigest) external;

  /**
   * @notice Retrieves the verifier address that verifies reports
   * for a config digest.
   * @param configDigest The config digest to query for
   * @return verifierAddress The address of the verifier contract that verifies
   * reports for a given config digest.
   */
  function getVerifier(bytes32 configDigest) external view returns (address verifierAddress);

  /**
   * @notice Called by the admin to set an access controller contract
   * @param accessController The new access controller to set
   */
  function setAccessController(AccessControllerInterface accessController) external;

  /**
   * @notice Updates the fee manager
   * @param feeManager The new fee manager
   */
  function setFeeManager(IVerifierFeeManager feeManager) external;
}

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (interfaces/IERC165.sol)

pragma solidity ^0.8.0;

import "../utils/introspection/IERC165.sol";

// SPDX-License-Identifier: MIT
pragma solidity 0.8.19;

/*
 * @title Common
 * @author Michael Fletcher
 * @notice Common functions and structs
 */
library Common {
  // @notice The asset struct to hold the address of an asset and amount
  struct Asset {
    address assetAddress;
    uint256 amount;
  }

  // @notice Struct to hold the address and its associated weight
  struct AddressAndWeight {
    address addr;
    uint64 weight;
  }

  /**
   * @notice Checks if an array of AddressAndWeight has duplicate addresses
   * @param recipients The array of AddressAndWeight to check
   * @return bool True if there are duplicates, false otherwise
   */
  function _hasDuplicateAddresses(address[] memory recipients) internal pure returns (bool) {
    for (uint256 i = 0; i < recipients.length; ) {
      for (uint256 j = i + 1; j < recipients.length; ) {
        if (recipients[i] == recipients[j]) {
          return true;
        }
        unchecked {
          ++j;
        }
      }
      unchecked {
        ++i;
      }
    }
    return false;
  }

  /**
   * @notice Checks if an array of AddressAndWeight has duplicate addresses
   * @param recipients The array of AddressAndWeight to check
   * @return bool True if there are duplicates, false otherwise
   */
  function _hasDuplicateAddresses(Common.AddressAndWeight[] memory recipients) internal pure returns (bool) {
    for (uint256 i = 0; i < recipients.length; ) {
      for (uint256 j = i + 1; j < recipients.length; ) {
        if (recipients[i].addr == recipients[j].addr) {
          return true;
        }
        unchecked {
          ++j;
        }
      }
      unchecked {
        ++i;
      }
    }
    return false;
  }

  /**
   * @notice sorts a list of addresses numerically
   * @param arr The array of addresses to sort
   * @param left the start index
   * @param right the end index
   */
  function _quickSort(address[] memory arr, int256 left, int256 right) internal pure {
    int256 i = left;
    int256 j = right;
    if (i == j) return;
    address pivot = arr[uint256(left + (right - left) / 2)];
    while (i <= j) {
      while (uint160(arr[uint256(i)]) < uint160(pivot)) i++;
      while (uint160(pivot) < uint160(arr[uint256(j)])) j--;
      if (i <= j) {
        (arr[uint256(i)], arr[uint256(j)]) = (arr[uint256(j)], arr[uint256(i)]);
        i++;
        j--;
      }
    }
    if (left < j) _quickSort(arr, left, j);
    if (i < right) _quickSort(arr, i, right);
  }
}

// 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 AccessControllerInterface {
  function hasAccess(address user, bytes calldata data) external view returns (bool);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.19;

import {IERC165} from "../../../vendor/openzeppelin-solidity/v4.8.3/contracts/interfaces/IERC165.sol";
import {Common} from "../../libraries/Common.sol";

interface IVerifierFeeManager is IERC165 {
  /**
   * @notice Handles fees for a report from the subscriber and manages rewards
   * @param payload report to process the fee for
   * @param parameterPayload fee payload
   * @param subscriber address of the fee will be applied
   */
  function processFee(bytes calldata payload, bytes calldata parameterPayload, address subscriber) external payable;

  /**
   * @notice Processes the fees for each report in the payload, billing the subscriber and paying the reward manager
   * @param payloads reports to process
   * @param parameterPayload fee payload
   * @param subscriber address of the user to process fee for
   */
  function processFeeBulk(
    bytes[] calldata payloads,
    bytes calldata parameterPayload,
    address subscriber
  ) external payable;

  /**
   * @notice Sets the fee recipients according to the fee manager
   * @param configDigest digest of the configuration
   * @param rewardRecipientAndWeights the address and weights of all the recipients to receive rewards
   */
  function setFeeRecipients(
    bytes32 configDigest,
    Common.AddressAndWeight[] calldata rewardRecipientAndWeights
  ) external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

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

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

  function transferOwnership(address recipient) external;

  function acceptOwnership() external;
}

{
  "remappings": [
    "forge-std/=src/v0.8/vendor/forge-std/src/",
    "@openzeppelin/=node_modules/@openzeppelin/",
    "@arbitrum/=node_modules/@arbitrum/",
    "hardhat/=node_modules/hardhat/",
    "@eth-optimism/=node_modules/@eth-optimism/",
    "@scroll-tech/=node_modules/@scroll-tech/",
    "@zksync/=node_modules/@zksync/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 1000000
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "none",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "paris",
  "viaIR": false,
  "libraries": {}
}

[{"inputs":[{"internalType":"address","name":"verifierProxyAddr","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"AccessForbidden","type":"error"},{"inputs":[],"name":"BadVerification","type":"error"},{"inputs":[],"name":"ConfigDigestAlreadySet","type":"error"},{"inputs":[],"name":"DigestEmpty","type":"error"},{"inputs":[{"internalType":"bytes32","name":"configDigest","type":"bytes32"}],"name":"DigestInactive","type":"error"},{"inputs":[{"internalType":"bytes32","name":"configDigest","type":"bytes32"}],"name":"DigestNotSet","type":"error"},{"inputs":[{"internalType":"uint256","name":"numSigners","type":"uint256"},{"internalType":"uint256","name":"maxSigners","type":"uint256"}],"name":"ExcessSigners","type":"error"},{"inputs":[],"name":"FaultToleranceMustBePositive","type":"error"},{"inputs":[{"internalType":"uint256","name":"numSigners","type":"uint256"},{"internalType":"uint256","name":"expectedNumSigners","type":"uint256"}],"name":"IncorrectSignatureCount","type":"error"},{"inputs":[{"internalType":"uint256","name":"numSigners","type":"uint256"},{"internalType":"uint256","name":"minSigners","type":"uint256"}],"name":"InsufficientSigners","type":"error"},{"inputs":[{"internalType":"uint256","name":"rsLength","type":"uint256"},{"internalType":"uint256","name":"ssLength","type":"uint256"}],"name":"MismatchedSignatures","type":"error"},{"inputs":[],"name":"NonUniqueSignatures","type":"error"},{"inputs":[],"name":"ZeroAddress","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"configDigest","type":"bytes32"}],"name":"ConfigActivated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"configDigest","type":"bytes32"}],"name":"ConfigDeactivated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"configDigest","type":"bytes32"},{"indexed":false,"internalType":"address[]","name":"signers","type":"address[]"},{"indexed":false,"internalType":"uint8","name":"f","type":"uint8"}],"name":"ConfigSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"configDigest","type":"bytes32"},{"indexed":false,"internalType":"address[]","name":"prevSigners","type":"address[]"},{"indexed":false,"internalType":"address[]","name":"newSigners","type":"address[]"}],"name":"ConfigUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"OwnershipTransferRequested","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"feedId","type":"bytes32"},{"indexed":false,"internalType":"address","name":"requester","type":"address"}],"name":"ReportVerified","type":"event"},{"inputs":[],"name":"acceptOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"configDigest","type":"bytes32"}],"name":"activateConfig","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"configDigest","type":"bytes32"}],"name":"deactivateConfig","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"configDigest","type":"bytes32"}],"name":"latestConfigDetails","outputs":[{"internalType":"uint32","name":"blockNumber","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"configDigest","type":"bytes32"},{"internalType":"address[]","name":"signers","type":"address[]"},{"internalType":"uint8","name":"f","type":"uint8"},{"components":[{"internalType":"address","name":"addr","type":"address"},{"internalType":"uint64","name":"weight","type":"uint64"}],"internalType":"struct Common.AddressAndWeight[]","name":"recipientAddressesAndWeights","type":"tuple[]"}],"name":"setConfig","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"isVerifier","type":"bool"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"typeAndVersion","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"bytes32","name":"configDigest","type":"bytes32"},{"internalType":"address[]","name":"prevSigners","type":"address[]"},{"internalType":"address[]","name":"newSigners","type":"address[]"},{"internalType":"uint8","name":"f","type":"uint8"}],"name":"updateConfig","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes","name":"signedReport","type":"bytes"},{"internalType":"address","name":"sender","type":"address"}],"name":"verify","outputs":[{"internalType":"bytes","name":"verifierResponse","type":"bytes"}],"stateMutability":"nonpayable","type":"function"}]

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000000000000000000000000fbfff08fe4169853f7b1b5ac67ec10dc8806801d

-----Decoded View---------------
Arg [0] : verifierProxyAddr (address): 0xfBFff08fE4169853F7B1b5Ac67eC10dc8806801d

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000fbfff08fe4169853f7b1b5ac67ec10dc8806801d