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// SPDX-License-Identifier: GPL-3.0-only

pragma solidity ^0.8.18;

import "../../modules/governance/NXMaster.sol";

contract DisposableNXMaster is NXMaster {

  function initialize(
    address _owner,
    address _tokenAddress,
    address _emergencyAdmin,
    bytes2[] calldata _contractNames,
    uint8[] calldata _contractTypes, // 0 - eternal storage, 1 - "upgradable", 2 - proxy
    address payable[] calldata _contractAddresses
  ) external {

    require(!masterInitialized, "!init");
    masterInitialized = true;

    owner = _owner;
    tokenAddress = _tokenAddress;
    emergencyAdmin = _emergencyAdmin;

    contractsActive[address(this)] = true;

    require(
      _contractNames.length == _contractTypes.length,
      "check names & types arrays length"
    );

    for (uint i = 0; i < _contractNames.length; i++) {

      bytes2 name = _contractNames[i];
      address payable contractAddress = _contractAddresses[i];

      contractCodes.push(name);
      contractAddresses[name] = contractAddress;
      contractsActive[contractAddress] = true;

      if (_contractTypes[i] == 1) {
        isReplaceable[name] = true;
      } else if (_contractTypes[i] == 2) {
        isProxy[name] = true;
      }
    }
  }

  function switchGovernanceAddress(address payable newGV) external {

    {// change governance address
      address currentGV = contractAddresses["GV"];
      contractAddresses["GV"] = newGV;
      contractsActive[currentGV] = false;
      contractsActive[newGV] = true;
    }

    // notify all contracts about address change
    for (uint i = 0; i < contractCodes.length; i++) {
      address _address = contractAddresses[contractCodes[i]];
      IMasterAwareV2 up = IMasterAwareV2(_address);
      up.changeMasterAddress(address(this));
      up.changeDependentContractAddress();
    }
  }

}

// SPDX-License-Identifier: GPL-3.0-only

pragma solidity >=0.5.0;

interface ILegacyClaimsReward {

  /// @dev Decides the next course of action for a given claim.
  function changeClaimStatus(uint claimid) external;

  function transferRewards() external;

  function getCurrencyAssetAddress(bytes4 currency) external view returns (address);

  function upgrade(address _newAdd) external;
}

// SPDX-License-Identifier: GPL-3.0-only

pragma solidity >=0.5.0;

interface IMasterAwareV2 {

  // TODO: if you update this enum, update lib/constants.js as well
  enum ID {
    TC, // TokenController.sol
    P1, // Pool.sol
    MR, // MemberRoles.sol
    MC, // MCR.sol
    CO, // Cover.sol
    SP, // StakingProducts.sol
    PS, // LegacyPooledStaking.sol
    GV, // Governance.sol
    GW, // LegacyGateway.sol - removed
    CL, // CoverMigrator.sol - removed
    AS, // Assessment.sol
    CI, // IndividualClaims.sol - Claims for Individuals
    CG, // YieldTokenIncidents.sol - Claims for Groups
    RA, // Ramm.sol
    ST,  // SafeTracker.sol
    CP  // CoverProducts.sol
  }

  function changeMasterAddress(address masterAddress) external;

  function changeDependentContractAddress() external;

  function internalContracts(uint) external view returns (address payable);
}

// SPDX-License-Identifier: GPL-3.0-only

pragma solidity >=0.5.0;

interface IMemberRoles {

  enum Role {Unassigned, AdvisoryBoard, Member, Owner, Auditor}

  function join(address _userAddress, uint nonce, bytes calldata signature) external payable;

  function switchMembership(address _newAddress) external;

  function switchMembershipAndAssets(
    address newAddress,
    uint[] calldata coverIds,
    uint[] calldata stakingTokenIds
  ) external;

  function switchMembershipOf(address member, address _newAddress) external;

  function totalRoles() external view returns (uint256);

  function changeAuthorized(uint _roleId, address _newAuthorized) external;

  function setKycAuthAddress(address _add) external;

  function members(uint _memberRoleId) external view returns (uint, address[] memory memberArray);

  function numberOfMembers(uint _memberRoleId) external view returns (uint);

  function authorized(uint _memberRoleId) external view returns (address);

  function roles(address _memberAddress) external view returns (uint[] memory);

  function checkRole(address _memberAddress, uint _roleId) external view returns (bool);

  function getMemberLengthForAllRoles() external view returns (uint[] memory totalMembers);

  function memberAtIndex(uint _memberRoleId, uint index) external view returns (address, bool);

  function membersLength(uint _memberRoleId) external view returns (uint);

  event MemberRole(uint256 indexed roleId, bytes32 roleName, string roleDescription);

  event MemberJoined(address indexed newMember, uint indexed nonce);

  event switchedMembership(address indexed previousMember, address indexed newMember, uint timeStamp);
  
  event MembershipWithdrawn(address indexed member, uint timestamp);
}

// SPDX-License-Identifier: GPL-3.0-only

pragma solidity >=0.5.0;

import "./IPriceFeedOracle.sol";

struct SwapDetails {
  uint104 minAmount;
  uint104 maxAmount;
  uint32 lastSwapTime;
  // 2 decimals of precision. 0.01% -> 0.0001 -> 1e14
  uint16 maxSlippageRatio;
}

struct Asset {
  address assetAddress;
  bool isCoverAsset;
  bool isAbandoned;
}

interface IPool {

  function swapOperator() external view returns (address);

  function getAsset(uint assetId) external view returns (Asset memory);

  function getAssets() external view returns (Asset[] memory);

  function transferAssetToSwapOperator(address asset, uint amount) external;

  function setSwapDetailsLastSwapTime(address asset, uint32 lastSwapTime) external;

  function getAssetSwapDetails(address assetAddress) external view returns (SwapDetails memory);

  function sendPayout(uint assetIndex, address payable payoutAddress, uint amount, uint ethDepositAmount) external;

  function sendEth(address payoutAddress, uint amount) external;

  function upgradeCapitalPool(address payable newPoolAddress) external;

  function priceFeedOracle() external view returns (IPriceFeedOracle);

  function getPoolValueInEth() external view returns (uint);

  function calculateMCRRatio(uint totalAssetValue, uint mcrEth) external pure returns (uint);

  function getInternalTokenPriceInAsset(uint assetId) external view returns (uint tokenPrice);

  function getInternalTokenPriceInAssetAndUpdateTwap(uint assetId) external returns (uint tokenPrice);

  function getTokenPrice() external view returns (uint tokenPrice);

  function getMCRRatio() external view returns (uint);

  function setSwapValue(uint value) external;
}

// SPDX-License-Identifier: GPL-3.0-only

pragma solidity >=0.5.0;

interface Aggregator {
  function decimals() external view returns (uint8);
  function latestAnswer() external view returns (int);
}

interface IPriceFeedOracle {

  struct OracleAsset {
    Aggregator aggregator;
    uint8 decimals;
  }

  function ETH() external view returns (address);
  function assets(address) external view returns (Aggregator, uint8);

  function getAssetToEthRate(address asset) external view returns (uint);
  function getAssetForEth(address asset, uint ethIn) external view returns (uint);
  function getEthForAsset(address asset, uint amount) external view returns (uint);

}

// SPDX-License-Identifier: GPL-3.0-only

pragma solidity >=0.5.0;

interface ISAFURAMaster {

  function tokenAddress() external view returns (address);

  function owner() external view returns (address);

  function emergencyAdmin() external view returns (address);

  function masterInitialized() external view returns (bool);

  function isInternal(address _add) external view returns (bool);

  function isPause() external view returns (bool check);

  function isMember(address _add) external view returns (bool);

  function checkIsAuthToGoverned(address _add) external view returns (bool);

  function getLatestAddress(bytes2 _contractName) external view returns (address payable contractAddress);

  function contractAddresses(bytes2 code) external view returns (address payable);

  function upgradeMultipleContracts(
    bytes2[] calldata _contractCodes,
    address payable[] calldata newAddresses
  ) external;

  function removeContracts(bytes2[] calldata contractCodesToRemove) external;

  function addNewInternalContracts(
    bytes2[] calldata _contractCodes,
    address payable[] calldata newAddresses,
    uint[] calldata _types
  ) external;

  function updateOwnerParameters(bytes8 code, address payable val) external;
}

// SPDX-License-Identifier: GPL-3.0-only

pragma solidity >=0.5.0;

interface ISAFURAToken {

  function burn(uint256 amount) external returns (bool);

  function burnFrom(address from, uint256 value) external returns (bool);

  function operatorTransfer(address from, uint256 value) external returns (bool);

  function mint(address account, uint256 amount) external;

  function isLockedForMV(address member) external view returns (uint);

  function whiteListed(address member) external view returns (bool);

  function addToWhiteList(address _member) external returns (bool);

  function removeFromWhiteList(address _member) external returns (bool);

  function changeOperator(address _newOperator) external returns (bool);

  function lockForMemberVote(address _of, uint _days) external;

  /**
 * @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 `recipient`.
   *
   * Returns a boolean value indicating whether the operation succeeded.
   *
   * Emits a {Transfer} event.
   */
  function transfer(address recipient, 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 `sender` to `recipient` 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 sender, address recipient, uint256 amount) external returns (bool);

  /**
   * @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);
}

// SPDX-License-Identifier: GPL-3.0-only

pragma solidity >=0.5.0;

import "./ISAFURAToken.sol";

interface ITokenController {

  struct StakingPoolNXMBalances {
    uint128 rewards;
    uint128 deposits;
  }

  struct CoverInfo {
    uint16 claimCount;
    bool hasOpenClaim;
    bool hasAcceptedClaim;
    uint96 requestedPayoutAmount;
    // note: still 128 bits available here, can be used later
  }

  struct StakingPoolOwnershipOffer {
    address proposedManager;
    uint96 deadline;
  }

  function coverInfo(uint id) external view returns (
    uint16 claimCount,
    bool hasOpenClaim,
    bool hasAcceptedClaim,
    uint96 requestedPayoutAmount
  );

  function withdrawCoverNote(
    address _of,
    uint[] calldata _coverIds,
    uint[] calldata _indexes
  ) external;

  function changeOperator(address _newOperator) external;

  function operatorTransfer(address _from, address _to, uint _value) external returns (bool);

  function burnFrom(address _of, uint amount) external returns (bool);

  function addToWhitelist(address _member) external;

  function removeFromWhitelist(address _member) external;

  function mint(address _member, uint _amount) external;

  function lockForMemberVote(address _of, uint _days) external;

  function withdrawClaimAssessmentTokens(address[] calldata users) external;

  function getLockReasons(address _of) external view returns (bytes32[] memory reasons);

  function totalSupply() external view returns (uint);

  function totalBalanceOf(address _of) external view returns (uint amount);

  function totalBalanceOfWithoutDelegations(address _of) external view returns (uint amount);

  function getTokenPrice() external view returns (uint tokenPrice);

  function token() external view returns (ISAFURAToken);

  function getStakingPoolManager(uint poolId) external view returns (address manager);

  function getManagerStakingPools(address manager) external view returns (uint[] memory poolIds);

  function isStakingPoolManager(address member) external view returns (bool);

  function getStakingPoolOwnershipOffer(uint poolId) external view returns (address proposedManager, uint deadline);

  function transferStakingPoolsOwnership(address from, address to) external;

  function assignStakingPoolManager(uint poolId, address manager) external;

  function createStakingPoolOwnershipOffer(uint poolId, address proposedManager, uint deadline) external;

  function acceptStakingPoolOwnershipOffer(uint poolId) external;

  function cancelStakingPoolOwnershipOffer(uint poolId) external;

  function mintStakingPoolNXMRewards(uint amount, uint poolId) external;

  function burnStakingPoolNXMRewards(uint amount, uint poolId) external;

  function depositStakedNXM(address from, uint amount, uint poolId) external;

  function withdrawNXMStakeAndRewards(address to, uint stakeToWithdraw, uint rewardsToWithdraw, uint poolId) external;

  function burnStakedNXM(uint amount, uint poolId) external;

  function stakingPoolNXMBalances(uint poolId) external view returns(uint128 rewards, uint128 deposits);

  function tokensLocked(address _of, bytes32 _reason) external view returns (uint256 amount);

  function getWithdrawableCoverNotes(
    address coverOwner
  ) external view returns (
    uint[] memory coverIds,
    bytes32[] memory lockReasons,
    uint withdrawableAmount
  );

  function getPendingRewards(address member) external view returns (uint);
}

// SPDX-License-Identifier: GPL-3.0-only

pragma solidity ^0.8.18;

import "./UpgradeabilityProxy.sol";

/**
 * @title OwnedUpgradeabilityProxy
 * @dev This contract combines an upgradeability proxy with basic authorization control functionalities
 */
contract OwnedUpgradeabilityProxy is UpgradeabilityProxy {
  /**
  * @dev Event to show ownership has been transferred
  * @param previousOwner representing the address of the previous owner
  * @param newOwner representing the address of the new owner
  */
  event ProxyOwnershipTransferred(address previousOwner, address newOwner);

  // Storage position of the owner of the contract
  bytes32 private constant PROXY_OWNER_POSITION = keccak256("org.govblocks.proxy.owner");

  /**
  * @dev the constructor sets the original owner of the contract to the sender account.
  */
  constructor(address _implementation) {
    _setUpgradeabilityOwner(msg.sender);
    _upgradeTo(_implementation);
  }

  /**
  * @dev Throws if called by any account other than the owner.
  */
  modifier onlyProxyOwner() {
    require(msg.sender == proxyOwner());
    _;
  }

  /**
  * @dev Tells the address of the owner
  * @return owner - the address of the owner
  */
  function proxyOwner() public view returns (address owner) {
    bytes32 position = PROXY_OWNER_POSITION;
    // solhint-disable-next-line no-inline-assembly
    assembly {
      owner := sload(position)
    }
  }

  /**
  * @dev Allows the current owner to transfer control of the contract to a newOwner.
  * @param _newOwner The address to transfer ownership to.
  */
  function transferProxyOwnership(address _newOwner) public onlyProxyOwner {
    require(_newOwner != address(0));
    _setUpgradeabilityOwner(_newOwner);
    emit ProxyOwnershipTransferred(proxyOwner(), _newOwner);
  }

  /**
  * @dev Allows the proxy owner to upgrade the current version of the proxy.
  * @param _implementation representing the address of the new implementation to be set.
  */
  function upgradeTo(address _implementation) public onlyProxyOwner {
    _upgradeTo(_implementation);
  }

  /**
   * @dev Sets the address of the owner
  */
  function _setUpgradeabilityOwner(address _newProxyOwner) internal {
    bytes32 position = PROXY_OWNER_POSITION;
    // solhint-disable-next-line no-inline-assembly
    assembly {
      sstore(position, _newProxyOwner)
    }
  }
}

// SPDX-License-Identifier: GPL-3.0-only

pragma solidity ^0.8.18;

/**
 * @title Proxy
 * @dev Gives the possibility to delegate any call to a foreign implementation.
 */
abstract contract Proxy {

  /**
   * @dev Delegates the current call to `implementation`.
   */
  function _delegate() internal {
    address _impl = implementation();
    require(_impl != address(0));

    // solhint-disable-next-line no-inline-assembly
    assembly {
      let ptr := mload(0x40)
      calldatacopy(ptr, 0, calldatasize())
      let result := delegatecall(gas(), _impl, ptr, calldatasize(), 0, 0)
      let size := returndatasize()
      returndatacopy(ptr, 0, size)

      switch result
      case 0 {revert(ptr, size)}
      default {return (ptr, size)}
    }
  }

  /**
  * @dev Fallback function allowing to perform a delegatecall to the given implementation.
  * This function will return whatever the implementation call returns
  */
  fallback() external payable {
    _delegate();
  }

  /**
  * @dev Receive function allowing to perform a delegatecall to the given implementation.
  * This function will return whatever the implementation call returns
  */
  receive() external payable {
    _delegate();
  }

  /**
  * @dev Tells the address of the implementation where every call will be delegated.
  * @return address of the implementation to which it will be delegated
  */
  function implementation() virtual public view returns (address);
}

// SPDX-License-Identifier: GPL-3.0-only

pragma solidity ^0.8.18;

import "./Proxy.sol";

/**
 * @title UpgradeabilityProxy
 * @dev This contract represents a proxy where the implementation address to which it will delegate can be upgraded
 */
contract UpgradeabilityProxy is Proxy {
  /**
  * @dev This event will be emitted every time the implementation gets upgraded
  * @param implementation representing the address of the upgraded implementation
  */
  event Upgraded(address indexed implementation);

  // Storage position of the address of the current implementation
  bytes32 private constant IMPLEMENTATION_POSITION = keccak256("org.govblocks.proxy.implementation");

  /**
  * @dev Constructor function
  */
  // solhint-disable-next-line no-empty-blocks
  constructor() {}

  /**
  * @dev Tells the address of the current implementation
  * @return impl - address of the current implementation
  */
  function implementation() public override view returns (address impl) {
    bytes32 position = IMPLEMENTATION_POSITION;
    // solhint-disable-next-line no-inline-assembly
    assembly {
      impl := sload(position)
    }
  }

  /**
  * @dev Sets the address of the current implementation
  * @param _newImplementation address representing the new implementation to be set
  */
  function _setImplementation(address _newImplementation) internal {
    bytes32 position = IMPLEMENTATION_POSITION;
    // solhint-disable-next-line no-inline-assembly
    assembly {
      sstore(position, _newImplementation)
    }
  }

  /**
  * @dev Upgrades the implementation address
  * @param _newImplementation representing the address of the new implementation to be set
  */
  function _upgradeTo(address _newImplementation) internal {
    address currentImplementation = implementation();
    require(currentImplementation != _newImplementation);
    _setImplementation(_newImplementation);
    emit Upgraded(_newImplementation);
  }
}

// SPDX-License-Identifier: GPL-3.0-only

pragma solidity ^0.8.18;

import "../../interfaces/IMasterAwareV2.sol";
import "../../interfaces/IMemberRoles.sol";
import "../../interfaces/ISAFURAMaster.sol";
import "../../interfaces/IPool.sol";
import "./external/OwnedUpgradeabilityProxy.sol";
import "../../interfaces/ITokenController.sol";
import "../../interfaces/ILegacyClaimsReward.sol";

contract NXMaster is ISAFURAMaster {

  address public _unusedM; // Governed contract masterAddress slot
  uint public _unused0;

  bytes2[] public contractCodes;
  mapping(address => bool) public contractsActive;
  mapping(bytes2 => address payable) public contractAddresses;
  mapping(bytes2 => bool) public isProxy;
  mapping(bytes2 => bool) public isReplaceable;

  address public tokenAddress;
  bool internal reentrancyLock;
  bool public masterInitialized;
  address public owner;
  uint public _unused1;

  address public emergencyAdmin;
  bool public paused;

  enum ContractType { Undefined, Replaceable, Proxy }

  event InternalContractAdded(bytes2 indexed code, address contractAddress, ContractType indexed contractType);
  event ContractUpgraded(bytes2 indexed code, address newAddress, address previousAddress, ContractType indexed contractType);
  event ContractRemoved(bytes2 indexed code, address contractAddress);
  event PauseConfigured(bool paused);

  modifier onlyAuthorizedToGovern() {
    require(getLatestAddress("GV") == msg.sender, "Not authorized");
    _;
  }

  modifier noReentrancy() {
    require(!reentrancyLock, "Reentrant call.");
    reentrancyLock = true;
    _;
    reentrancyLock = false;
  }

  modifier onlyEmergencyAdmin() {
    require(msg.sender == emergencyAdmin, "NXMaster: Not emergencyAdmin");
    _;
  }

  function initializeEmergencyAdmin() external {
    if (emergencyAdmin == address(0)) {
      emergencyAdmin = 0x422D71fb8040aBEF53f3a05d21A9B85eebB2995D;
    }
  }

  function addNewInternalContracts(
    bytes2[] calldata newContractCodes,
    address payable[] calldata newAddresses,
    uint[] calldata _types
  ) external onlyAuthorizedToGovern {
    require(newContractCodes.length == newAddresses.length, "NXMaster: newContractCodes.length != newAddresses.length.");
    require(newContractCodes.length == _types.length, "NXMaster: newContractCodes.length != _types.length");

    for (uint i = 0; i < newContractCodes.length; i++) {
      addNewInternalContract(newContractCodes[i], newAddresses[i], _types[i]);
    }

    updateAllDependencies();
  }

  /// @dev Adds new internal contract
  /// @param contractCode contract code for new contract
  /// @param contractAddress contract address for new contract
  /// @param _type pass 1 if contract is replaceable, 2 if contract is proxy
  function addNewInternalContract(
    bytes2 contractCode,
    address payable contractAddress,
    uint _type
  ) internal {

    require(contractAddresses[contractCode] == address(0), "NXMaster: Code already in use");
    require(contractAddress != address(0), "NXMaster: Contract address is 0");

    contractCodes.push(contractCode);
    address payable newInternalContract;
    uint contractType = uint8(_type);

    if (contractType == uint(ContractType.Replaceable)) {

      newInternalContract = contractAddress;
      isReplaceable[contractCode] = true;

    } else if (contractType == uint(ContractType.Proxy)) {

      uint salt = _type >> 8;

      if (salt == 0) {
        // contractCode will use the 16 most significant bits (leftmost)
        // block.number will use the least significant bits (rightmost)
        // example: contractCode = "XX" = 0x5858, block.number = 13565952 = 0xcf0000
        // result:  0x5858000000000000000000000000000000000000000000000000000000cf0000
        salt = uint(bytes32(contractCode)) + block.number;
      }

      // using the max address as the initial implementation to avoid revert in upgradeTo
      OwnedUpgradeabilityProxy proxy = new OwnedUpgradeabilityProxy{salt: bytes32(salt)}(address(type(uint160).max));
      proxy.upgradeTo(contractAddress);

      newInternalContract = payable(proxy);
      isProxy[contractCode] = true;

    } else {
      revert("NXMaster: Unsupported contract type");
    }

    contractAddresses[contractCode] = newInternalContract;
    contractsActive[newInternalContract] = true;

    IMasterAwareV2 up = IMasterAwareV2(newInternalContract);
    up.changeMasterAddress(address(this));

    emit InternalContractAdded(contractCode, contractAddress, ContractType(contractType));
  }

  /// @dev upgrades multiple contracts at a time
  function upgradeMultipleContracts(
    bytes2[] calldata _contractCodes,
    address payable[] calldata newAddresses
  ) external onlyAuthorizedToGovern {
    require(_contractCodes.length == newAddresses.length, "NXMaster: _contractCodes.length != newAddresses.length");

    for (uint i = 0; i < _contractCodes.length; i++) {
      address payable newAddress = newAddresses[i];
      bytes2 code = _contractCodes[i];
      require(newAddress != address(0), "NXMaster: Contract address is 0");

      if (isProxy[code]) {
        OwnedUpgradeabilityProxy proxy = OwnedUpgradeabilityProxy(contractAddresses[code]);
        address previousAddress = proxy.implementation();
        proxy.upgradeTo(newAddress);
        emit ContractUpgraded(code, newAddress, previousAddress, ContractType.Proxy);
        continue;
      }

      if (isReplaceable[code]) {
        address previousAddress = getLatestAddress(code);
        replaceContract(code, newAddress);
        emit ContractUpgraded(code, newAddress, previousAddress, ContractType.Replaceable);
        continue;
      }

      revert("NXMaster: Non-existant or non-upgradeable contract code");
    }

    updateAllDependencies();
  }

  function replaceContract(bytes2 code, address payable newAddress) internal {
    if (code == "CR") {
      ITokenController tc = ITokenController(getLatestAddress("TC"));
      tc.addToWhitelist(newAddress);
      tc.removeFromWhitelist(contractAddresses["CR"]);
      ILegacyClaimsReward cr = ILegacyClaimsReward(contractAddresses["CR"]);
      cr.upgrade(newAddress);
    } else if (code == "P1") {
      IPool p1 = IPool(contractAddresses["P1"]);
      p1.upgradeCapitalPool(newAddress);
    }
    address payable oldAddress = contractAddresses[code];
    contractsActive[oldAddress] = false;
    contractAddresses[code] = newAddress;
    contractsActive[newAddress] = true;

    IMasterAwareV2 up = IMasterAwareV2(contractAddresses[code]);
    up.changeMasterAddress(address(this));
  }

  function removeContracts(bytes2[] calldata contractCodesToRemove) external onlyAuthorizedToGovern {

    for (uint i = 0; i < contractCodesToRemove.length; i++) {
      bytes2 code = contractCodesToRemove[i];
      address contractAddress = contractAddresses[code];
      require(contractAddress != address(0), "NXMaster: Address is 0");
      require(isInternal(contractAddress), "NXMaster: Contract not internal");
      contractsActive[contractAddress] = false;
      contractAddresses[code] = payable(0);

      if (isProxy[code]) {
        isProxy[code] = false;
      }

      if (isReplaceable[code]) {
        isReplaceable[code] = false;
      }
      emit ContractRemoved(code, contractAddress);
    }

    // delete elements from contractCodes
    for (uint i = 0; i < contractCodes.length;) {
      for (uint j = 0; j < contractCodesToRemove.length; j++) {
        if (contractCodes[i] == contractCodesToRemove[j]) {
          contractCodes[i] = contractCodes[contractCodes.length - 1];
          contractCodes.pop();
          unchecked { i--; }
          break;
        }
      }
      unchecked { i++; }
    }

    updateAllDependencies();
  }

  function updateAllDependencies() internal {
    for (uint i = 0; i < contractCodes.length; i++) {
      IMasterAwareV2 up = IMasterAwareV2(contractAddresses[contractCodes[i]]);
      up.changeDependentContractAddress();
    }
  }

  /**
   * @dev set Emergency pause
   * @param _paused to toggle emergency pause ON/OFF
   */
  function setEmergencyPause(bool _paused) public onlyEmergencyAdmin {
    paused = _paused;
    emit PauseConfigured(_paused);
  }

  /// @dev checks whether the address is an internal contract address.
  function isInternal(address _contractAddress) public view returns (bool) {
    return contractsActive[_contractAddress];
  }

  /// @dev Checks whether emergency pause is on/not.
  function isPause() public view returns (bool) {
    return paused;
  }

  /// @dev checks whether the address is a member of the mutual or not.
  function isMember(address _add) public view returns (bool) {
    IMemberRoles mr = IMemberRoles(getLatestAddress("MR"));
    return mr.checkRole(_add, uint(IMemberRoles.Role.Member));
  }

  /// @dev Gets current contract codes and their addresses
  /// @return _contractCodes - all stored contract codes
  /// @return _contractAddresses - all stored contract addresses
  function getInternalContracts() public view returns (
    bytes2[] memory _contractCodes,
    address[] memory _contractAddresses
  ) {
    _contractCodes = contractCodes;
    _contractAddresses = new address[](contractCodes.length);

    for (uint i = 0; i < _contractCodes.length; i++) {
      _contractAddresses[i] = contractAddresses[contractCodes[i]];
    }
  }

  /**
 * @dev returns the address of token controller
   * @return address is returned
   */
  function dAppLocker() public view returns (address) {
    return getLatestAddress("TC");
  }

  /// @dev Gets latest contract address
  /// @param _contractName Contract name to fetch
  function getLatestAddress(bytes2 _contractName) public view returns (address payable contractAddress) {
    contractAddress = contractAddresses[_contractName];
  }

  /**
   * @dev to check if the address is authorized to govern or not
   * @param _add is the address in concern
   * @return the boolean status status for the check
   */
  function checkIsAuthToGoverned(address _add) public view returns (bool) {
    return getLatestAddress("GV") == _add;
  }

  /**
   * @dev to update the owner parameters
   * @param code is the associated code
   * @param val is value to be set
   */
  function updateOwnerParameters(bytes8 code, address payable val) public onlyAuthorizedToGovern {
    if (code == "EMADMIN") {
      emergencyAdmin = val;
    } else {
      revert("Invalid param code");
    }
  }
}

{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

[{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes2","name":"code","type":"bytes2"},{"indexed":false,"internalType":"address","name":"contractAddress","type":"address"}],"name":"ContractRemoved","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes2","name":"code","type":"bytes2"},{"indexed":false,"internalType":"address","name":"newAddress","type":"address"},{"indexed":false,"internalType":"address","name":"previousAddress","type":"address"},{"indexed":true,"internalType":"enum NXMaster.ContractType","name":"contractType","type":"uint8"}],"name":"ContractUpgraded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes2","name":"code","type":"bytes2"},{"indexed":false,"internalType":"address","name":"contractAddress","type":"address"},{"indexed":true,"internalType":"enum NXMaster.ContractType","name":"contractType","type":"uint8"}],"name":"InternalContractAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"bool","name":"paused","type":"bool"}],"name":"PauseConfigured","type":"event"},{"inputs":[],"name":"_unused0","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"_unused1","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"_unusedM","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes2[]","name":"newContractCodes","type":"bytes2[]"},{"internalType":"address payable[]","name":"newAddresses","type":"address[]"},{"internalType":"uint256[]","name":"_types","type":"uint256[]"}],"name":"addNewInternalContracts","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_add","type":"address"}],"name":"checkIsAuthToGoverned","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes2","name":"","type":"bytes2"}],"name":"contractAddresses","outputs":[{"internalType":"address payable","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"contractCodes","outputs":[{"internalType":"bytes2","name":"","type":"bytes2"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"contractsActive","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"dAppLocker","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"emergencyAdmin","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getInternalContracts","outputs":[{"internalType":"bytes2[]","name":"_contractCodes","type":"bytes2[]"},{"internalType":"address[]","name":"_contractAddresses","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes2","name":"_contractName","type":"bytes2"}],"name":"getLatestAddress","outputs":[{"internalType":"address payable","name":"contractAddress","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_owner","type":"address"},{"internalType":"address","name":"_tokenAddress","type":"address"},{"internalType":"address","name":"_emergencyAdmin","type":"address"},{"internalType":"bytes2[]","name":"_contractNames","type":"bytes2[]"},{"internalType":"uint8[]","name":"_contractTypes","type":"uint8[]"},{"internalType":"address payable[]","name":"_contractAddresses","type":"address[]"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"initializeEmergencyAdmin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_contractAddress","type":"address"}],"name":"isInternal","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_add","type":"address"}],"name":"isMember","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isPause","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes2","name":"","type":"bytes2"}],"name":"isProxy","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes2","name":"","type":"bytes2"}],"name":"isReplaceable","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"masterInitialized","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes2[]","name":"contractCodesToRemove","type":"bytes2[]"}],"name":"removeContracts","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_paused","type":"bool"}],"name":"setEmergencyPause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address payable","name":"newGV","type":"address"}],"name":"switchGovernanceAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"tokenAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes8","name":"code","type":"bytes8"},{"internalType":"address payable","name":"val","type":"address"}],"name":"updateOwnerParameters","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes2[]","name":"_contractCodes","type":"bytes2[]"},{"internalType":"address payable[]","name":"newAddresses","type":"address[]"}],"name":"upgradeMultipleContracts","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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