/**
   *       .
   *      / \
   *     |.'.|
   *     |'.'|
   *   ,'|   |'.
   *  |,-'-|-'-.|
   *   __|_| |         _        _      _____           _
   *  | ___ \|        | |      | |    | ___ \         | |
   *  | |_/ /|__   ___| | _____| |_   | |_/ /__   ___ | |
   *  |    // _ \ / __| |/ / _ \ __|  |  __/ _ \ / _ \| |
   *  | |\ \ (_) | (__|   <  __/ |_   | | | (_) | (_) | |
   *  \_| \_\___/ \___|_|\_\___|\__|  \_|  \___/ \___/|_|
   * +---------------------------------------------------+
   * |    DECENTRALISED STAKING PROTOCOL FOR ETHEREUM    |
   * +---------------------------------------------------+
   *
   *  Rocket Pool is a first-of-its-kind Ethereum staking pool protocol, designed to
   *  be community-owned, decentralised, permissionless, & trustless.
   *
   *  For more information about Rocket Pool, visit https://rocketpool.net
   *
   *  Authored by the Rocket Pool Core Team
   *  Contributors: https://github.com/rocket-pool/rocketpool/graphs/contributors
   *  A special thanks to the Rocket Pool community for all their contributions.
   *
   */

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol)

pragma solidity >0.5.0 <0.9.0;

/**
 * @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);
}

/**
   *       .
   *      / \
   *     |.'.|
   *     |'.'|
   *   ,'|   |'.
   *  |,-'-|-'-.|
   *   __|_| |         _        _      _____           _
   *  | ___ \|        | |      | |    | ___ \         | |
   *  | |_/ /|__   ___| | _____| |_   | |_/ /__   ___ | |
   *  |    // _ \ / __| |/ / _ \ __|  |  __/ _ \ / _ \| |
   *  | |\ \ (_) | (__|   <  __/ |_   | | | (_) | (_) | |
   *  \_| \_\___/ \___|_|\_\___|\__|  \_|  \___/ \___/|_|
   * +---------------------------------------------------+
   * |    DECENTRALISED STAKING PROTOCOL FOR ETHEREUM    |
   * +---------------------------------------------------+
   *
   *  Rocket Pool is a first-of-its-kind Ethereum staking pool protocol, designed to
   *  be community-owned, decentralised, permissionless, & trustless.
   *
   *  For more information about Rocket Pool, visit https://rocketpool.net
   *
   *  Authored by the Rocket Pool Core Team
   *  Contributors: https://github.com/rocket-pool/rocketpool/graphs/contributors
   *  A special thanks to the Rocket Pool community for all their contributions.
   *
   */

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol)

import "./IERC20.sol";

pragma solidity >0.5.0 <0.9.0;

interface IERC20Burnable is IERC20 {
    function burn(uint256 amount) external;
    function burnFrom(address account, uint256 amount) external;
}

/**
   *       .
   *      / \
   *     |.'.|
   *     |'.'|
   *   ,'|   |'.
   *  |,-'-|-'-.|
   *   __|_| |         _        _      _____           _
   *  | ___ \|        | |      | |    | ___ \         | |
   *  | |_/ /|__   ___| | _____| |_   | |_/ /__   ___ | |
   *  |    // _ \ / __| |/ / _ \ __|  |  __/ _ \ / _ \| |
   *  | |\ \ (_) | (__|   <  __/ |_   | | | (_) | (_) | |
   *  \_| \_\___/ \___|_|\_\___|\__|  \_|  \___/ \___/|_|
   * +---------------------------------------------------+
   * |    DECENTRALISED STAKING PROTOCOL FOR ETHEREUM    |
   * +---------------------------------------------------+
   *
   *  Rocket Pool is a first-of-its-kind Ethereum staking pool protocol, designed to
   *  be community-owned, decentralised, permissionless, & trustless.
   *
   *  For more information about Rocket Pool, visit https://rocketpool.net
   *
   *  Authored by the Rocket Pool Core Team
   *  Contributors: https://github.com/rocket-pool/rocketpool/graphs/contributors
   *  A special thanks to the Rocket Pool community for all their contributions.
   *
   */

pragma solidity >0.5.0 <0.9.0;

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

struct RewardSubmission {
    uint256 rewardIndex;
    uint256 executionBlock;
    uint256 consensusBlock;
    bytes32 merkleRoot;
    string merkleTreeCID;
    uint256 intervalsPassed;
    uint256 treasuryRPL;
    uint256[] trustedNodeRPL;
    uint256[] nodeRPL;
    uint256[] nodeETH;
    uint256 userETH;
}

/**
   *       .
   *      / \
   *     |.'.|
   *     |'.'|
   *   ,'|   |'.
   *  |,-'-|-'-.|
   *   __|_| |         _        _      _____           _
   *  | ___ \|        | |      | |    | ___ \         | |
   *  | |_/ /|__   ___| | _____| |_   | |_/ /__   ___ | |
   *  |    // _ \ / __| |/ / _ \ __|  |  __/ _ \ / _ \| |
   *  | |\ \ (_) | (__|   <  __/ |_   | | | (_) | (_) | |
   *  \_| \_\___/ \___|_|\_\___|\__|  \_|  \___/ \___/|_|
   * +---------------------------------------------------+
   * |    DECENTRALISED STAKING PROTOCOL FOR ETHEREUM    |
   * +---------------------------------------------------+
   *
   *  Rocket Pool is a first-of-its-kind Ethereum staking pool protocol, designed to
   *  be community-owned, decentralised, permissionless, & trustless.
   *
   *  For more information about Rocket Pool, visit https://rocketpool.net
   *
   *  Authored by the Rocket Pool Core Team
   *  Contributors: https://github.com/rocket-pool/rocketpool/graphs/contributors
   *  A special thanks to the Rocket Pool community for all their contributions.
   *
   */

pragma solidity >0.5.0 <0.9.0;

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

import "../interface/RocketStorageInterface.sol";

/// @title Base settings / modifiers for each contract in Rocket Pool
/// @author David Rugendyke

abstract contract RocketBase {

    // Calculate using this as the base
    uint256 constant calcBase = 1 ether;

    // Version of the contract
    uint8 public version;

    // The main storage contract where primary persistant storage is maintained
    RocketStorageInterface rocketStorage = RocketStorageInterface(address(0));


    /*** Modifiers **********************************************************/

    /**
    * @dev Throws if called by any sender that doesn't match a Rocket Pool network contract
    */
    modifier onlyLatestNetworkContract() {
        require(getBool(keccak256(abi.encodePacked("contract.exists", msg.sender))), "Invalid or outdated network contract");
        _;
    }

    /**
    * @dev Throws if called by any sender that doesn't match one of the supplied contract or is the latest version of that contract
    */
    modifier onlyLatestContract(string memory _contractName, address _contractAddress) {
        require(_contractAddress == getAddress(keccak256(abi.encodePacked("contract.address", _contractName))), "Invalid or outdated contract");
        _;
    }

    /**
    * @dev Throws if called by any sender that isn't a registered node
    */
    modifier onlyRegisteredNode(address _nodeAddress) {
        require(getBool(keccak256(abi.encodePacked("node.exists", _nodeAddress))), "Invalid node");
        _;
    }

    /**
    * @dev Throws if called by any sender that isn't a trusted node DAO member
    */
    modifier onlyTrustedNode(address _nodeAddress) {
        require(getBool(keccak256(abi.encodePacked("dao.trustednodes.", "member", _nodeAddress))), "Invalid trusted node");
        _;
    }

    /**
    * @dev Throws if called by any sender that isn't a registered minipool
    */
    modifier onlyRegisteredMinipool(address _minipoolAddress) {
        require(getBool(keccak256(abi.encodePacked("minipool.exists", _minipoolAddress))), "Invalid minipool");
        _;
    }
    

    /**
    * @dev Throws if called by any account other than a guardian account (temporary account allowed access to settings before DAO is fully enabled)
    */
    modifier onlyGuardian() {
        require(msg.sender == rocketStorage.getGuardian(), "Account is not a temporary guardian");
        _;
    }




    /*** Methods **********************************************************/

    /// @dev Set the main Rocket Storage address
    constructor(RocketStorageInterface _rocketStorageAddress) {
        // Update the contract address
        rocketStorage = RocketStorageInterface(_rocketStorageAddress);
    }


    /// @dev Get the address of a network contract by name
    function getContractAddress(string memory _contractName) internal view returns (address) {
        // Get the current contract address
        address contractAddress = getAddress(keccak256(abi.encodePacked("contract.address", _contractName)));
        // Check it
        require(contractAddress != address(0x0), "Contract not found");
        // Return
        return contractAddress;
    }


    /// @dev Get the address of a network contract by name (returns address(0x0) instead of reverting if contract does not exist)
    function getContractAddressUnsafe(string memory _contractName) internal view returns (address) {
        // Get the current contract address
        address contractAddress = getAddress(keccak256(abi.encodePacked("contract.address", _contractName)));
        // Return
        return contractAddress;
    }


    /// @dev Get the name of a network contract by address
    function getContractName(address _contractAddress) internal view returns (string memory) {
        // Get the contract name
        string memory contractName = getString(keccak256(abi.encodePacked("contract.name", _contractAddress)));
        // Check it
        require(bytes(contractName).length > 0, "Contract not found");
        // Return
        return contractName;
    }

    /// @dev Get revert error message from a .call method
    function getRevertMsg(bytes memory _returnData) internal pure returns (string memory) {
        // If the _res length is less than 68, then the transaction failed silently (without a revert message)
        if (_returnData.length < 68) return "Transaction reverted silently";
        assembly {
            // Slice the sighash.
            _returnData := add(_returnData, 0x04)
        }
        return abi.decode(_returnData, (string)); // All that remains is the revert string
    }



    /*** Rocket Storage Methods ****************************************/

    // Note: Unused helpers have been removed to keep contract sizes down

    /// @dev Storage get methods
    function getAddress(bytes32 _key) internal view returns (address) { return rocketStorage.getAddress(_key); }
    function getUint(bytes32 _key) internal view returns (uint) { return rocketStorage.getUint(_key); }
    function getString(bytes32 _key) internal view returns (string memory) { return rocketStorage.getString(_key); }
    function getBytes(bytes32 _key) internal view returns (bytes memory) { return rocketStorage.getBytes(_key); }
    function getBool(bytes32 _key) internal view returns (bool) { return rocketStorage.getBool(_key); }
    function getInt(bytes32 _key) internal view returns (int) { return rocketStorage.getInt(_key); }
    function getBytes32(bytes32 _key) internal view returns (bytes32) { return rocketStorage.getBytes32(_key); }

    /// @dev Storage set methods
    function setAddress(bytes32 _key, address _value) internal { rocketStorage.setAddress(_key, _value); }
    function setUint(bytes32 _key, uint _value) internal { rocketStorage.setUint(_key, _value); }
    function setString(bytes32 _key, string memory _value) internal { rocketStorage.setString(_key, _value); }
    function setBytes(bytes32 _key, bytes memory _value) internal { rocketStorage.setBytes(_key, _value); }
    function setBool(bytes32 _key, bool _value) internal { rocketStorage.setBool(_key, _value); }
    function setInt(bytes32 _key, int _value) internal { rocketStorage.setInt(_key, _value); }
    function setBytes32(bytes32 _key, bytes32 _value) internal { rocketStorage.setBytes32(_key, _value); }

    /// @dev Storage delete methods
    function deleteAddress(bytes32 _key) internal { rocketStorage.deleteAddress(_key); }
    function deleteUint(bytes32 _key) internal { rocketStorage.deleteUint(_key); }
    function deleteString(bytes32 _key) internal { rocketStorage.deleteString(_key); }
    function deleteBytes(bytes32 _key) internal { rocketStorage.deleteBytes(_key); }
    function deleteBool(bytes32 _key) internal { rocketStorage.deleteBool(_key); }
    function deleteInt(bytes32 _key) internal { rocketStorage.deleteInt(_key); }
    function deleteBytes32(bytes32 _key) internal { rocketStorage.deleteBytes32(_key); }

    /// @dev Storage arithmetic methods
    function addUint(bytes32 _key, uint256 _amount) internal { rocketStorage.addUint(_key, _amount); }
    function subUint(bytes32 _key, uint256 _amount) internal { rocketStorage.subUint(_key, _amount); }
}

/**
   *       .
   *      / \
   *     |.'.|
   *     |'.'|
   *   ,'|   |'.
   *  |,-'-|-'-.|
   *   __|_| |         _        _      _____           _
   *  | ___ \|        | |      | |    | ___ \         | |
   *  | |_/ /|__   ___| | _____| |_   | |_/ /__   ___ | |
   *  |    // _ \ / __| |/ / _ \ __|  |  __/ _ \ / _ \| |
   *  | |\ \ (_) | (__|   <  __/ |_   | | | (_) | (_) | |
   *  \_| \_\___/ \___|_|\_\___|\__|  \_|  \___/ \___/|_|
   * +---------------------------------------------------+
   * |    DECENTRALISED STAKING PROTOCOL FOR ETHEREUM    |
   * +---------------------------------------------------+
   *
   *  Rocket Pool is a first-of-its-kind Ethereum staking pool protocol, designed to
   *  be community-owned, decentralised, permissionless, & trustless.
   *
   *  For more information about Rocket Pool, visit https://rocketpool.net
   *
   *  Authored by the Rocket Pool Core Team
   *  Contributors: https://github.com/rocket-pool/rocketpool/graphs/contributors
   *  A special thanks to the Rocket Pool community for all their contributions.
   *
   */

pragma solidity >0.5.0 <0.9.0;

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

interface RocketDAONodeTrustedInterface {
    function getBootstrapModeDisabled() external view returns (bool);
    function getMemberQuorumVotesRequired() external view returns (uint256);
    function getMemberAt(uint256 _index) external view returns (address);
    function getMemberCount() external view returns (uint256);
    function getMemberMinRequired() external view returns (uint256);
    function getMemberIsValid(address _nodeAddress) external view returns (bool);
    function getMemberLastProposalTime(address _nodeAddress) external view returns (uint256);
    function getMemberID(address _nodeAddress) external view returns (string memory);
    function getMemberUrl(address _nodeAddress) external view returns (string memory);
    function getMemberJoinedTime(address _nodeAddress) external view returns (uint256);
    function getMemberProposalExecutedTime(string memory _proposalType, address _nodeAddress) external view returns (uint256);
    function getMemberRPLBondAmount(address _nodeAddress) external view returns (uint256);
    function getMemberIsChallenged(address _nodeAddress) external view returns (bool);
    function getMemberUnbondedValidatorCount(address _nodeAddress) external view returns (uint256);
    function incrementMemberUnbondedValidatorCount(address _nodeAddress) external;
    function decrementMemberUnbondedValidatorCount(address _nodeAddress) external;
    function bootstrapMember(string memory _id, string memory _url, address _nodeAddress) external;
    function bootstrapSettingUint(string memory _settingContractName, string memory _settingPath, uint256 _value) external;
    function bootstrapSettingBool(string memory _settingContractName, string memory _settingPath, bool _value) external;
    function bootstrapUpgrade(string memory _type, string memory _name, string memory _contractAbi, address _contractAddress) external;
    function bootstrapDisable(bool _confirmDisableBootstrapMode) external;
    function memberJoinRequired(string memory _id, string memory _url) external;
}

/**
   *       .
   *      / \
   *     |.'.|
   *     |'.'|
   *   ,'|   |'.
   *  |,-'-|-'-.|
   *   __|_| |         _        _      _____           _
   *  | ___ \|        | |      | |    | ___ \         | |
   *  | |_/ /|__   ___| | _____| |_   | |_/ /__   ___ | |
   *  |    // _ \ / __| |/ / _ \ __|  |  __/ _ \ / _ \| |
   *  | |\ \ (_) | (__|   <  __/ |_   | | | (_) | (_) | |
   *  \_| \_\___/ \___|_|\_\___|\__|  \_|  \___/ \___/|_|
   * +---------------------------------------------------+
   * |    DECENTRALISED STAKING PROTOCOL FOR ETHEREUM    |
   * +---------------------------------------------------+
   *
   *  Rocket Pool is a first-of-its-kind Ethereum staking pool protocol, designed to
   *  be community-owned, decentralised, permissionless, & trustless.
   *
   *  For more information about Rocket Pool, visit https://rocketpool.net
   *
   *  Authored by the Rocket Pool Core Team
   *  Contributors: https://github.com/rocket-pool/rocketpool/graphs/contributors
   *  A special thanks to the Rocket Pool community for all their contributions.
   *
   */

pragma solidity >0.5.0 <0.9.0;

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

interface RocketDAOProtocolSettingsNetworkInterface {
    function getNodeConsensusThreshold() external view returns (uint256);
    function getNodePenaltyThreshold() external view returns (uint256);
    function getPerPenaltyRate() external view returns (uint256);
    function getSubmitBalancesEnabled() external view returns (bool);
    function getSubmitBalancesFrequency() external view returns (uint256);
    function getSubmitPricesEnabled() external view returns (bool);
    function getSubmitPricesFrequency() external view returns (uint256);
    function getMinimumNodeFee() external view returns (uint256);
    function getTargetNodeFee() external view returns (uint256);
    function getMaximumNodeFee() external view returns (uint256);
    function getNodeFeeDemandRange() external view returns (uint256);
    function getTargetRethCollateralRate() external view returns (uint256);
    function getRethDepositDelay() external view returns (uint256);
    function getSubmitRewardsEnabled() external view returns (bool);
}

/**
   *       .
   *      / \
   *     |.'.|
   *     |'.'|
   *   ,'|   |'.
   *  |,-'-|-'-.|
   *   __|_| |         _        _      _____           _
   *  | ___ \|        | |      | |    | ___ \         | |
   *  | |_/ /|__   ___| | _____| |_   | |_/ /__   ___ | |
   *  |    // _ \ / __| |/ / _ \ __|  |  __/ _ \ / _ \| |
   *  | |\ \ (_) | (__|   <  __/ |_   | | | (_) | (_) | |
   *  \_| \_\___/ \___|_|\_\___|\__|  \_|  \___/ \___/|_|
   * +---------------------------------------------------+
   * |    DECENTRALISED STAKING PROTOCOL FOR ETHEREUM    |
   * +---------------------------------------------------+
   *
   *  Rocket Pool is a first-of-its-kind Ethereum staking pool protocol, designed to
   *  be community-owned, decentralised, permissionless, & trustless.
   *
   *  For more information about Rocket Pool, visit https://rocketpool.net
   *
   *  Authored by the Rocket Pool Core Team
   *  Contributors: https://github.com/rocket-pool/rocketpool/graphs/contributors
   *  A special thanks to the Rocket Pool community for all their contributions.
   *
   */

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity >0.5.0 <0.9.0;

interface RocketDAOProtocolSettingsRewardsInterface {
    function setSettingRewardsClaimers(uint256 _trustedNodePercent, uint256 _protocolPercent, uint256 _nodePercent) external;
    function getRewardsClaimerPerc(string memory _contractName) external view returns (uint256);
    function getRewardsClaimersPerc() external view returns (uint256 _trustedNodePercent, uint256 _protocolPercent, uint256 _nodePercent);
    function getRewardsClaimersTrustedNodePerc() external view returns (uint256);
    function getRewardsClaimersProtocolPerc() external view returns (uint256);
    function getRewardsClaimersNodePerc() external view returns (uint256);
    function getRewardsClaimersTimeUpdated() external view returns (uint256);
    function getRewardsClaimIntervalPeriods() external view returns (uint256);
    function getRewardsClaimIntervalTime() external view returns (uint256);
}

/**
   *       .
   *      / \
   *     |.'.|
   *     |'.'|
   *   ,'|   |'.
   *  |,-'-|-'-.|
   *   __|_| |         _        _      _____           _
   *  | ___ \|        | |      | |    | ___ \         | |
   *  | |_/ /|__   ___| | _____| |_   | |_/ /__   ___ | |
   *  |    // _ \ / __| |/ / _ \ __|  |  __/ _ \ / _ \| |
   *  | |\ \ (_) | (__|   <  __/ |_   | | | (_) | (_) | |
   *  \_| \_\___/ \___|_|\_\___|\__|  \_|  \___/ \___/|_|
   * +---------------------------------------------------+
   * |    DECENTRALISED STAKING PROTOCOL FOR ETHEREUM    |
   * +---------------------------------------------------+
   *
   *  Rocket Pool is a first-of-its-kind Ethereum staking pool protocol, designed to
   *  be community-owned, decentralised, permissionless, & trustless.
   *
   *  For more information about Rocket Pool, visit https://rocketpool.net
   *
   *  Authored by the Rocket Pool Core Team
   *  Contributors: https://github.com/rocket-pool/rocketpool/graphs/contributors
   *  A special thanks to the Rocket Pool community for all their contributions.
   *
   */

pragma solidity >0.5.0 <0.9.0;
pragma abicoder v2;
// SPDX-License-Identifier: GPL-3.0-only

interface RocketNetworkBalancesInterface {
    function getBalancesBlock() external view returns (uint256);
    function getTotalETHBalance() external view returns (uint256);
    function getStakingETHBalance() external view returns (uint256);
    function getTotalRETHSupply() external view returns (uint256);
    function getETHUtilizationRate() external view returns (uint256);
    function submitBalances(uint256 _block, uint256 _slotTimestamp, uint256 _total, uint256 _staking, uint256 _rethSupply) external;
    function executeUpdateBalances(uint256 _block, uint256 _slotTimestamp, uint256 _totalEth, uint256 _stakingEth, uint256 _rethSupply) external;
}

/**
   *       .
   *      / \
   *     |.'.|
   *     |'.'|
   *   ,'|   |'.
   *  |,-'-|-'-.|
   *   __|_| |         _        _      _____           _
   *  | ___ \|        | |      | |    | ___ \         | |
   *  | |_/ /|__   ___| | _____| |_   | |_/ /__   ___ | |
   *  |    // _ \ / __| |/ / _ \ __|  |  __/ _ \ / _ \| |
   *  | |\ \ (_) | (__|   <  __/ |_   | | | (_) | (_) | |
   *  \_| \_\___/ \___|_|\_\___|\__|  \_|  \___/ \___/|_|
   * +---------------------------------------------------+
   * |    DECENTRALISED STAKING PROTOCOL FOR ETHEREUM    |
   * +---------------------------------------------------+
   *
   *  Rocket Pool is a first-of-its-kind Ethereum staking pool protocol, designed to
   *  be community-owned, decentralised, permissionless, & trustless.
   *
   *  For more information about Rocket Pool, visit https://rocketpool.net
   *
   *  Authored by the Rocket Pool Core Team
   *  Contributors: https://github.com/rocket-pool/rocketpool/graphs/contributors
   *  A special thanks to the Rocket Pool community for all their contributions.
   *
   */

pragma solidity 0.8.18;
pragma abicoder v2;

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

import "../RocketBase.sol";
import "../../interface/token/RocketTokenRPLInterface.sol";
import "../../interface/rewards/RocketRewardsPoolInterface.sol";
import "../../interface/dao/protocol/settings/RocketDAOProtocolSettingsNetworkInterface.sol";
import "../../interface/dao/node/RocketDAONodeTrustedInterface.sol";
import "../../interface/network/RocketNetworkBalancesInterface.sol";
import "../../interface/RocketVaultInterface.sol";
import "../../interface/dao/protocol/settings/RocketDAOProtocolSettingsRewardsInterface.sol";
import "../../interface/rewards/RocketRewardsRelayInterface.sol";
import "../../interface/rewards/RocketSmoothingPoolInterface.sol";
import "../../types/RewardSubmission.sol";

/// @notice Holds RPL generated by the network for claiming from stakers (node operators etc)
contract RocketRewardsPool is RocketBase, RocketRewardsPoolInterface {

    // Events
    event RewardSnapshotSubmitted(address indexed from, uint256 indexed rewardIndex, RewardSubmission submission, uint256 time);
    event RewardSnapshot(uint256 indexed rewardIndex, RewardSubmission submission, uint256 intervalStartTime, uint256 intervalEndTime, uint256 time);

    constructor(RocketStorageInterface _rocketStorageAddress) RocketBase(_rocketStorageAddress) {
        version = 4;
    }

    /// @notice Get the reward index
    function getRewardIndex() override public view returns(uint256) {
        return getUint(keccak256("rewards.snapshot.index"));
    }

    /// @notice Increment the reward index
    function incrementRewardIndex() private {
        addUint(keccak256("rewards.snapshot.index"), 1);
    }

    /// @notice Get how much RPL the Rewards Pool contract currently has assigned to it as a whole
    /// @return uint256 Returns rpl balance of rocket rewards contract
    function getRPLBalance() override public view returns(uint256) {
        // Get the vault contract instance
        RocketVaultInterface rocketVault = RocketVaultInterface(getContractAddress("rocketVault"));
        // Check contract RPL balance
        return rocketVault.balanceOfToken("rocketRewardsPool", IERC20(getContractAddress("rocketTokenRPL")));
    }

    /// @notice Returns the total amount of RPL that needs to be distributed to claimers at the current block
    function getPendingRPLRewards() override public view returns (uint256) {
        RocketTokenRPLInterface rplContract = RocketTokenRPLInterface(getContractAddress("rocketTokenRPL"));
        uint256 pendingInflation = rplContract.inflationCalculate();
        // Any inflation that has accrued so far plus any amount that would be minted if we called it now
        return getRPLBalance() + pendingInflation;
    }

    /// @notice  Returns the total amount of ETH in the smoothing pool ready to be distributed
    function getPendingETHRewards() override public view returns (uint256) {
        address rocketSmoothingPoolAddress = getContractAddress("rocketSmoothingPool");
        return rocketSmoothingPoolAddress.balance;
    }

    /// @notice Get the last set interval start time
    /// @return uint256 Last set start timestamp for a claim interval
    function getClaimIntervalTimeStart() override public view returns(uint256) {
        return getUint(keccak256("rewards.pool.claim.interval.time.start"));
    }

    /// @notice Get how many seconds in a claim interval
    /// @return uint256 Number of seconds in a claim interval
    function getClaimIntervalTime() override public view returns(uint256) {
        // Get from the DAO settings
        RocketDAOProtocolSettingsRewardsInterface daoSettingsRewards = RocketDAOProtocolSettingsRewardsInterface(getContractAddress("rocketDAOProtocolSettingsRewards"));
        return daoSettingsRewards.getRewardsClaimIntervalTime();
    }

    /// @notice Compute intervals since last claim period
    /// @return uint256 Time intervals since last update
    function getClaimIntervalsPassed() override public view returns(uint256) {
        return (block.timestamp - getClaimIntervalTimeStart()) / getClaimIntervalTime();
    }

    /// @notice Returns the block number that the given claim interval was executed at
    /// @param _interval The interval for which to grab the execution block of
    function getClaimIntervalExecutionBlock(uint256 _interval) override external view returns(uint256) {
        return getUint(keccak256(abi.encodePacked("rewards.pool.interval.execution.block", _interval)));
    }

    /// @notice Returns the address of the contract which was used to execute this reward interval
    /// @param _interval The interval for which to grab the address of
    function getClaimIntervalExecutionAddress(uint256 _interval) override external view returns(address) {
        return getAddress(keccak256(abi.encodePacked("rewards.pool.interval.execution.address", _interval)));
    }

    /// @notice Get the percentage this contract can claim in this interval
    /// @return uint256 Rewards percentage this contract can claim in this interval
    function getClaimingContractPerc(string memory _claimingContract) override public view returns (uint256) {
        // Load contract
        RocketDAOProtocolSettingsRewardsInterface daoSettingsRewards = RocketDAOProtocolSettingsRewardsInterface(getContractAddress("rocketDAOProtocolSettingsRewards"));
        // Get the % amount allocated to this claim contract
        return daoSettingsRewards.getRewardsClaimerPerc(_claimingContract);
    }

    /// @notice Get an array of percentages that the given contracts can claim in this interval
    /// @return uint256[] Array of percentages in the order of the supplied contract names
    function getClaimingContractsPerc(string[] memory _claimingContracts) override external view returns (uint256[] memory) {
        // Load contract
        RocketDAOProtocolSettingsRewardsInterface daoSettingsRewards = RocketDAOProtocolSettingsRewardsInterface(getContractAddress("rocketDAOProtocolSettingsRewards"));
        // Get the % amount allocated to this claim contract
        uint256[] memory percentages = new uint256[](_claimingContracts.length);
        for (uint256 i = 0; i < _claimingContracts.length; ++i){
            percentages[i] = daoSettingsRewards.getRewardsClaimerPerc(_claimingContracts[i]);
        }
        return percentages;
    }

    /// @notice Returns whether a trusted node has submitted for a given reward index
    function getTrustedNodeSubmitted(address _trustedNodeAddress, uint256 _rewardIndex) override external view returns (bool) {
        return getBool(keccak256(abi.encode("rewards.snapshot.submitted.node", _trustedNodeAddress, _rewardIndex)));
    }

    /// @notice Returns whether a trusted node has submitted a specific RewardSubmission
    function getSubmissionFromNodeExists(address _trustedNodeAddress, RewardSubmission calldata _submission) override external view returns (bool) {
        return getBool(keccak256(abi.encode("rewards.snapshot.submitted.node.key", _trustedNodeAddress, _submission)));
    }

    /// @notice Returns the number of trusted nodes who have agreed to the given submission
    function getSubmissionCount(RewardSubmission calldata _submission) override external view returns (uint256) {
        return getUint(keccak256(abi.encode("rewards.snapshot.submitted.count", _submission)));
    }

    /// @notice Submit a reward snapshot. Only accepts calls from trusted (oracle) nodes
    function submitRewardSnapshot(RewardSubmission calldata _submission) override external onlyLatestContract("rocketRewardsPool", address(this)) onlyTrustedNode(msg.sender) {
        // Get contracts
        RocketDAOProtocolSettingsNetworkInterface rocketDAOProtocolSettingsNetwork = RocketDAOProtocolSettingsNetworkInterface(getContractAddress("rocketDAOProtocolSettingsNetwork"));
        // Check submission is currently enabled
        require(rocketDAOProtocolSettingsNetwork.getSubmitRewardsEnabled(), "Submitting rewards is currently disabled");
        // Validate inputs
        uint256 rewardIndex = getRewardIndex();
        require(_submission.rewardIndex <= rewardIndex, "Can only submit snapshot for periods up to next");
        require(_submission.intervalsPassed > 0, "Invalid number of intervals passed");
        require(_submission.nodeRPL.length == _submission.trustedNodeRPL.length && _submission.trustedNodeRPL.length == _submission.nodeETH.length, "Invalid array length");
        // Calculate RPL reward total and validate
        { // Scope to prevent stack too deep
            uint256 totalRewardsRPL = _submission.treasuryRPL;
            for (uint256 i = 0; i < _submission.nodeRPL.length; ++i){
                totalRewardsRPL = totalRewardsRPL + _submission.nodeRPL[i];
            }
            for (uint256 i = 0; i < _submission.trustedNodeRPL.length; ++i){
                totalRewardsRPL = totalRewardsRPL + _submission.trustedNodeRPL[i];
            }
            require(totalRewardsRPL <= getPendingRPLRewards(), "Invalid RPL rewards");
        }
        // Calculate ETH reward total and validate
        { // Scope to prevent stack too deep
            uint256 totalRewardsETH = 0;
            for (uint256 i = 0; i < _submission.nodeETH.length; ++i){
                totalRewardsETH = totalRewardsETH + _submission.nodeETH[i];
            }
            require(totalRewardsETH <= getPendingETHRewards(), "Invalid ETH rewards");
        }
        // Store and increment vote
        uint256 submissionCount;
        { // Scope to prevent stack too deep
            // Check & update node submission status
            bytes32 nodeSubmissionKey = keccak256(abi.encode("rewards.snapshot.submitted.node.key", msg.sender, _submission));
            require(!getBool(nodeSubmissionKey), "Duplicate submission from node");
            setBool(nodeSubmissionKey, true);
            setBool(keccak256(abi.encode("rewards.snapshot.submitted.node", msg.sender, _submission.rewardIndex)), true);
        }
        { // Scope to prevent stack too deep
            // Increment submission count
            bytes32 submissionCountKey = keccak256(abi.encode("rewards.snapshot.submitted.count", _submission));
            submissionCount = getUint(submissionCountKey) + 1;
            setUint(submissionCountKey, submissionCount);
        }
        // Emit snapshot submitted event
        emit RewardSnapshotSubmitted(msg.sender, _submission.rewardIndex, _submission, block.timestamp);
        // Return if already executed
        if (_submission.rewardIndex != rewardIndex) {
            return;
        }
        // If consensus is reached, execute the snapshot
        RocketDAONodeTrustedInterface rocketDAONodeTrusted = RocketDAONodeTrustedInterface(getContractAddress("rocketDAONodeTrusted"));
        if (calcBase * submissionCount / rocketDAONodeTrusted.getMemberCount() >= rocketDAOProtocolSettingsNetwork.getNodeConsensusThreshold()) {
            _executeRewardSnapshot(_submission);
        }
    }

    /// @notice Executes reward snapshot if consensus threshold is reached
    function executeRewardSnapshot(RewardSubmission calldata _submission) override external onlyLatestContract("rocketRewardsPool", address(this)) {
        // Validate reward index of submission
        require(_submission.rewardIndex == getRewardIndex(), "Can only execute snapshot for next period");
        // Get submission count
        bytes32 submissionCountKey = keccak256(abi.encode("rewards.snapshot.submitted.count", _submission));
        uint256 submissionCount = getUint(submissionCountKey);
        // Confirm consensus and execute
        RocketDAONodeTrustedInterface rocketDAONodeTrusted = RocketDAONodeTrustedInterface(getContractAddress("rocketDAONodeTrusted"));
        RocketDAOProtocolSettingsNetworkInterface rocketDAOProtocolSettingsNetwork = RocketDAOProtocolSettingsNetworkInterface(getContractAddress("rocketDAOProtocolSettingsNetwork"));
        require(calcBase * submissionCount / rocketDAONodeTrusted.getMemberCount() >= rocketDAOProtocolSettingsNetwork.getNodeConsensusThreshold(), "Consensus has not been reached");
        _executeRewardSnapshot(_submission);
    }

    /// @notice Executes reward snapshot and sends assets to the relays for distribution to reward recipients
    function _executeRewardSnapshot(RewardSubmission calldata _submission) private {
        // Get contract
        RocketTokenRPLInterface rplContract = RocketTokenRPLInterface(getContractAddress("rocketTokenRPL"));
        RocketVaultInterface rocketVault = RocketVaultInterface(getContractAddress("rocketVault"));
        // Execute inflation if required
        rplContract.inflationMintTokens();
        // Increment the reward index and update the claim interval timestamp
        incrementRewardIndex();
        uint256 claimIntervalTimeStart = getClaimIntervalTimeStart();
        uint256 claimIntervalTimeEnd = claimIntervalTimeStart + (getClaimIntervalTime() * _submission.intervalsPassed);
        // Emit reward snapshot event
        emit RewardSnapshot(_submission.rewardIndex, _submission, claimIntervalTimeStart, claimIntervalTimeEnd, block.timestamp);
        setUint(keccak256(abi.encodePacked("rewards.pool.interval.execution.block", _submission.rewardIndex)), block.number);
        setAddress(keccak256(abi.encodePacked("rewards.pool.interval.execution.address", _submission.rewardIndex)), address(this));
        setUint(keccak256("rewards.pool.claim.interval.time.start"), claimIntervalTimeEnd);
        // Send out the treasury rewards
        if (_submission.treasuryRPL > 0) {
            rocketVault.transferToken("rocketClaimDAO", rplContract, _submission.treasuryRPL);
        }
        // Get the smoothing pool instance
        RocketSmoothingPoolInterface rocketSmoothingPool = RocketSmoothingPoolInterface(getContractAddress("rocketSmoothingPool"));
        // Send deposit pool user's ETH
        if (_submission.userETH > 0) {
            address rocketTokenRETHAddress = getContractAddress("rocketTokenRETH");
            rocketSmoothingPool.withdrawEther(rocketTokenRETHAddress, _submission.userETH);
        }
        // Loop over each network and distribute rewards
        for (uint i = 0; i < _submission.nodeRPL.length; ++i) {
            // Quick out if no rewards for this network
            uint256 rewardsRPL = _submission.nodeRPL[i] + _submission.trustedNodeRPL[i];
            uint256 rewardsETH = _submission.nodeETH[i];
            if (rewardsRPL == 0 && rewardsETH == 0) {
                continue;
            }
            // Grab the relay address
            RocketRewardsRelayInterface relay;
            { // Scope to prevent stack too deep
                address networkRelayAddress;
                bytes32 networkRelayKey = keccak256(abi.encodePacked("rewards.relay.address", i));
                networkRelayAddress = getAddress(networkRelayKey);
                // Validate network is valid
                require (networkRelayAddress != address(0), "Snapshot contains rewards for invalid network");
                relay = RocketRewardsRelayInterface(networkRelayAddress);
            }
            // Transfer rewards
            if (rewardsRPL > 0) {
                // RPL rewards are withdrawn from the vault
                rocketVault.withdrawToken(address(relay), rplContract, rewardsRPL);
            }
            if (rewardsETH > 0) {
                // ETH rewards are withdrawn from the smoothing pool
                rocketSmoothingPool.withdrawEther(address(relay), rewardsETH);
            }
            // Call into relay contract to handle distribution of rewards
            relay.relayRewards(_submission.rewardIndex, _submission.merkleRoot, rewardsRPL, rewardsETH);
        }
    }
}

/**
   *       .
   *      / \
   *     |.'.|
   *     |'.'|
   *   ,'|   |'.
   *  |,-'-|-'-.|
   *   __|_| |         _        _      _____           _
   *  | ___ \|        | |      | |    | ___ \         | |
   *  | |_/ /|__   ___| | _____| |_   | |_/ /__   ___ | |
   *  |    // _ \ / __| |/ / _ \ __|  |  __/ _ \ / _ \| |
   *  | |\ \ (_) | (__|   <  __/ |_   | | | (_) | (_) | |
   *  \_| \_\___/ \___|_|\_\___|\__|  \_|  \___/ \___/|_|
   * +---------------------------------------------------+
   * |    DECENTRALISED STAKING PROTOCOL FOR ETHEREUM    |
   * +---------------------------------------------------+
   *
   *  Rocket Pool is a first-of-its-kind Ethereum staking pool protocol, designed to
   *  be community-owned, decentralised, permissionless, & trustless.
   *
   *  For more information about Rocket Pool, visit https://rocketpool.net
   *
   *  Authored by the Rocket Pool Core Team
   *  Contributors: https://github.com/rocket-pool/rocketpool/graphs/contributors
   *  A special thanks to the Rocket Pool community for all their contributions.
   *
   */

pragma solidity >0.5.0 <0.9.0;
pragma abicoder v2;

import "../../types/RewardSubmission.sol";

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

interface RocketRewardsPoolInterface {
    function getRewardIndex() external view returns(uint256);
    function getRPLBalance() external view returns(uint256);
    function getPendingRPLRewards() external view returns (uint256);
    function getPendingETHRewards() external view returns (uint256);
    function getClaimIntervalTimeStart() external view returns(uint256);
    function getClaimIntervalTime() external view returns(uint256);
    function getClaimIntervalsPassed() external view returns(uint256);
    function getClaimIntervalExecutionBlock(uint256 _interval) external view returns(uint256);
    function getClaimIntervalExecutionAddress(uint256 _interval) external view returns(address);
    function getClaimingContractPerc(string memory _claimingContract) external view returns(uint256);
    function getClaimingContractsPerc(string[] memory _claimingContracts) external view returns (uint256[] memory);
    function getTrustedNodeSubmitted(address _trustedNodeAddress, uint256 _rewardIndex) external view returns (bool);
    function getSubmissionFromNodeExists(address _trustedNodeAddress, RewardSubmission calldata _submission) external view returns (bool);
    function getSubmissionCount(RewardSubmission calldata _submission) external view returns (uint256);
    function submitRewardSnapshot(RewardSubmission calldata _submission) external;
    function executeRewardSnapshot(RewardSubmission calldata _submission) external;
}

/**
   *       .
   *      / \
   *     |.'.|
   *     |'.'|
   *   ,'|   |'.
   *  |,-'-|-'-.|
   *   __|_| |         _        _      _____           _
   *  | ___ \|        | |      | |    | ___ \         | |
   *  | |_/ /|__   ___| | _____| |_   | |_/ /__   ___ | |
   *  |    // _ \ / __| |/ / _ \ __|  |  __/ _ \ / _ \| |
   *  | |\ \ (_) | (__|   <  __/ |_   | | | (_) | (_) | |
   *  \_| \_\___/ \___|_|\_\___|\__|  \_|  \___/ \___/|_|
   * +---------------------------------------------------+
   * |    DECENTRALISED STAKING PROTOCOL FOR ETHEREUM    |
   * +---------------------------------------------------+
   *
   *  Rocket Pool is a first-of-its-kind Ethereum staking pool protocol, designed to
   *  be community-owned, decentralised, permissionless, & trustless.
   *
   *  For more information about Rocket Pool, visit https://rocketpool.net
   *
   *  Authored by the Rocket Pool Core Team
   *  Contributors: https://github.com/rocket-pool/rocketpool/graphs/contributors
   *  A special thanks to the Rocket Pool community for all their contributions.
   *
   */

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity >0.5.0 <0.9.0;
pragma abicoder v2;

interface RocketRewardsRelayInterface {
    function relayRewards(uint256 _intervalIndex, bytes32 _merkleRoot, uint256 _rewardsRPL, uint256 _rewardsETH) external;
    function claim(address _nodeAddress, uint256[] calldata _intervalIndex, uint256[] calldata _amountRPL, uint256[] calldata _amountETH, bytes32[][] calldata _merkleProof) external;
    function claimAndStake(address _nodeAddress, uint256[] calldata _intervalIndex, uint256[] calldata _amountRPL, uint256[] calldata _amountETH, bytes32[][] calldata _merkleProof, uint256 _stakeAmount) external;
    function isClaimed(uint256 _intervalIndex, address _claimer) external view returns (bool);
}

/**
   *       .
   *      / \
   *     |.'.|
   *     |'.'|
   *   ,'|   |'.
   *  |,-'-|-'-.|
   *   __|_| |         _        _      _____           _
   *  | ___ \|        | |      | |    | ___ \         | |
   *  | |_/ /|__   ___| | _____| |_   | |_/ /__   ___ | |
   *  |    // _ \ / __| |/ / _ \ __|  |  __/ _ \ / _ \| |
   *  | |\ \ (_) | (__|   <  __/ |_   | | | (_) | (_) | |
   *  \_| \_\___/ \___|_|\_\___|\__|  \_|  \___/ \___/|_|
   * +---------------------------------------------------+
   * |    DECENTRALISED STAKING PROTOCOL FOR ETHEREUM    |
   * +---------------------------------------------------+
   *
   *  Rocket Pool is a first-of-its-kind Ethereum staking pool protocol, designed to
   *  be community-owned, decentralised, permissionless, & trustless.
   *
   *  For more information about Rocket Pool, visit https://rocketpool.net
   *
   *  Authored by the Rocket Pool Core Team
   *  Contributors: https://github.com/rocket-pool/rocketpool/graphs/contributors
   *  A special thanks to the Rocket Pool community for all their contributions.
   *
   */

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity >0.5.0 <0.9.0;
pragma abicoder v2;

interface RocketSmoothingPoolInterface {
    function withdrawEther(address _to, uint256 _amount) external;
}

/**
   *       .
   *      / \
   *     |.'.|
   *     |'.'|
   *   ,'|   |'.
   *  |,-'-|-'-.|
   *   __|_| |         _        _      _____           _
   *  | ___ \|        | |      | |    | ___ \         | |
   *  | |_/ /|__   ___| | _____| |_   | |_/ /__   ___ | |
   *  |    // _ \ / __| |/ / _ \ __|  |  __/ _ \ / _ \| |
   *  | |\ \ (_) | (__|   <  __/ |_   | | | (_) | (_) | |
   *  \_| \_\___/ \___|_|\_\___|\__|  \_|  \___/ \___/|_|
   * +---------------------------------------------------+
   * |    DECENTRALISED STAKING PROTOCOL FOR ETHEREUM    |
   * +---------------------------------------------------+
   *
   *  Rocket Pool is a first-of-its-kind Ethereum staking pool protocol, designed to
   *  be community-owned, decentralised, permissionless, & trustless.
   *
   *  For more information about Rocket Pool, visit https://rocketpool.net
   *
   *  Authored by the Rocket Pool Core Team
   *  Contributors: https://github.com/rocket-pool/rocketpool/graphs/contributors
   *  A special thanks to the Rocket Pool community for all their contributions.
   *
   */

pragma solidity >0.5.0 <0.9.0;

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

interface RocketStorageInterface {

    // Deploy status
    function getDeployedStatus() external view returns (bool);

    // Guardian
    function getGuardian() external view returns(address);
    function setGuardian(address _newAddress) external;
    function confirmGuardian() external;

    // Getters
    function getAddress(bytes32 _key) external view returns (address);
    function getUint(bytes32 _key) external view returns (uint);
    function getString(bytes32 _key) external view returns (string memory);
    function getBytes(bytes32 _key) external view returns (bytes memory);
    function getBool(bytes32 _key) external view returns (bool);
    function getInt(bytes32 _key) external view returns (int);
    function getBytes32(bytes32 _key) external view returns (bytes32);

    // Setters
    function setAddress(bytes32 _key, address _value) external;
    function setUint(bytes32 _key, uint _value) external;
    function setString(bytes32 _key, string calldata _value) external;
    function setBytes(bytes32 _key, bytes calldata _value) external;
    function setBool(bytes32 _key, bool _value) external;
    function setInt(bytes32 _key, int _value) external;
    function setBytes32(bytes32 _key, bytes32 _value) external;

    // Deleters
    function deleteAddress(bytes32 _key) external;
    function deleteUint(bytes32 _key) external;
    function deleteString(bytes32 _key) external;
    function deleteBytes(bytes32 _key) external;
    function deleteBool(bytes32 _key) external;
    function deleteInt(bytes32 _key) external;
    function deleteBytes32(bytes32 _key) external;

    // Arithmetic
    function addUint(bytes32 _key, uint256 _amount) external;
    function subUint(bytes32 _key, uint256 _amount) external;

    // Protected storage
    function getNodeWithdrawalAddress(address _nodeAddress) external view returns (address);
    function getNodePendingWithdrawalAddress(address _nodeAddress) external view returns (address);
    function setWithdrawalAddress(address _nodeAddress, address _newWithdrawalAddress, bool _confirm) external;
    function confirmWithdrawalAddress(address _nodeAddress) external;
}

/**
   *       .
   *      / \
   *     |.'.|
   *     |'.'|
   *   ,'|   |'.
   *  |,-'-|-'-.|
   *   __|_| |         _        _      _____           _
   *  | ___ \|        | |      | |    | ___ \         | |
   *  | |_/ /|__   ___| | _____| |_   | |_/ /__   ___ | |
   *  |    // _ \ / __| |/ / _ \ __|  |  __/ _ \ / _ \| |
   *  | |\ \ (_) | (__|   <  __/ |_   | | | (_) | (_) | |
   *  \_| \_\___/ \___|_|\_\___|\__|  \_|  \___/ \___/|_|
   * +---------------------------------------------------+
   * |    DECENTRALISED STAKING PROTOCOL FOR ETHEREUM    |
   * +---------------------------------------------------+
   *
   *  Rocket Pool is a first-of-its-kind Ethereum staking pool protocol, designed to
   *  be community-owned, decentralised, permissionless, & trustless.
   *
   *  For more information about Rocket Pool, visit https://rocketpool.net
   *
   *  Authored by the Rocket Pool Core Team
   *  Contributors: https://github.com/rocket-pool/rocketpool/graphs/contributors
   *  A special thanks to the Rocket Pool community for all their contributions.
   *
   */

pragma solidity >0.5.0 <0.9.0;

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

import "../util/IERC20.sol";

interface RocketTokenRPLInterface is IERC20 {
    function getInflationCalcTime() external view returns(uint256);
    function getInflationIntervalTime() external view returns(uint256);
    function getInflationIntervalRate() external view returns(uint256);
    function getInflationIntervalsPassed() external view returns(uint256);
    function getInflationIntervalStartTime() external view returns(uint256);
    function getInflationRewardsContractAddress() external view returns(address);
    function inflationCalculate() external view returns (uint256);
    function inflationMintTokens() external returns (uint256);
    function swapTokens(uint256 _amount) external;
}

/**
   *       .
   *      / \
   *     |.'.|
   *     |'.'|
   *   ,'|   |'.
   *  |,-'-|-'-.|
   *   __|_| |         _        _      _____           _
   *  | ___ \|        | |      | |    | ___ \         | |
   *  | |_/ /|__   ___| | _____| |_   | |_/ /__   ___ | |
   *  |    // _ \ / __| |/ / _ \ __|  |  __/ _ \ / _ \| |
   *  | |\ \ (_) | (__|   <  __/ |_   | | | (_) | (_) | |
   *  \_| \_\___/ \___|_|\_\___|\__|  \_|  \___/ \___/|_|
   * +---------------------------------------------------+
   * |    DECENTRALISED STAKING PROTOCOL FOR ETHEREUM    |
   * +---------------------------------------------------+
   *
   *  Rocket Pool is a first-of-its-kind Ethereum staking pool protocol, designed to
   *  be community-owned, decentralised, permissionless, & trustless.
   *
   *  For more information about Rocket Pool, visit https://rocketpool.net
   *
   *  Authored by the Rocket Pool Core Team
   *  Contributors: https://github.com/rocket-pool/rocketpool/graphs/contributors
   *  A special thanks to the Rocket Pool community for all their contributions.
   *
   */

pragma solidity >0.5.0 <0.9.0;

// SPDX-License-Identifier: GPL-3.0-only
import "./util/IERC20Burnable.sol";

interface RocketVaultInterface {
    function balanceOf(string memory _networkContractName) external view returns (uint256);
    function depositEther() external payable;
    function withdrawEther(uint256 _amount) external;
    function depositToken(string memory _networkContractName, IERC20 _tokenAddress, uint256 _amount) external;
    function withdrawToken(address _withdrawalAddress, IERC20 _tokenAddress, uint256 _amount) external;
    function balanceOfToken(string memory _networkContractName, IERC20 _tokenAddress) external view returns (uint256);
    function transferToken(string memory _networkContractName, IERC20 _tokenAddress, uint256 _amount) external;
    function burnToken(IERC20Burnable _tokenAddress, uint256 _amount) external;
}

{
  "compilationTarget": {
    "contracts/contract/rewards/RocketRewardsPool.sol": "RocketRewardsPool"
  },
  "evmVersion": "paris",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": true,
    "runs": 15000
  },
  "remappings": []
}