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// SPDX-License-Identifier: GPL-2.0-or-later

pragma solidity ^0.8.0;

import "./IProtocolConfig.sol";

contract ProtocolConfig is IProtocolConfig {
    error E_OnlyAdmin();
    error E_InvalidVault();
    error E_InvalidReceiver();
    error E_InvalidConfigValue();
    error E_InvalidAdmin();

    struct InterestFeeRange {
        bool exists;
        uint16 minInterestFee;
        uint16 maxInterestFee;
    }

    struct ProtocolFeeConfig {
        bool exists;
        address feeReceiver;
        uint16 protocolFeeShare;
    }

    // max valid value of the EVault's ConfigAmount custom type, signifying 100%
    uint16 internal constant CONFIG_SCALE = 1e4;

    /// @dev admin address
    address public admin;
    /// @dev protocol fee receiver, unless a vault has it configured otherwise
    address public feeReceiver;
    /// @dev protocol fee share, except for vaults configured otherwise
    uint16 internal protocolFeeShare;

    /// @dev min interest fee, except for vaults configured otherwise
    uint16 internal minInterestFee;
    /// @dev max interest fee, except for vaults configured otherwise
    uint16 internal maxInterestFee;

    /// @dev per-vault configuration of min/max interest fee range, takes priority over defaults
    mapping(address vault => InterestFeeRange) internal _interestFeeRanges;
    /// @dev per-vault configuration of protocol fee config, takes priority over defaults
    mapping(address vault => ProtocolFeeConfig) internal _protocolFeeConfig;

    /// @notice Set global default allowed interest fee limits
    /// @param newMinInterestFee lower limit of allowed interest fee
    /// @param newMaxInterestFee upper limit of allowed interest fee
    event SetInterestFeeRange(uint16 newMinInterestFee, uint16 newMaxInterestFee);

    /// @notice Set new fee receiver address
    /// @param newFeeReceiver new fee receiver address
    event SetFeeReceiver(address indexed newFeeReceiver);

    /// @notice Set allowed interest fee limits override for a vault
    /// @param vault address of the vault
    /// @param exists if true a new setting was recorded, if false the override was disabled for the vault
    /// @param minInterestFee lower limit of allowed interest fee
    /// @param maxInterestFee upper limit of allowed interest fee
    event SetVaultInterestFeeRange(address indexed vault, bool exists, uint16 minInterestFee, uint16 maxInterestFee);

    /// @notice Set interest fee configuration override for a vault
    /// @param vault address of the vault
    /// @param exists if true a new setting was recorded, if false the override was disabled for the vault
    /// @param feeReceiver address to receive protocol fees
    /// @param protocolFeeShare new protocol fee share
    event SetFeeConfigSetting(address indexed vault, bool exists, address indexed feeReceiver, uint16 protocolFeeShare);

    /// @notice Set a new global default protocol fee share
    /// @param protocolFeeShare previous default protocol fee share
    /// @param newProtocolFeeShare new default protocol fee share
    event SetProtocolFeeShare(uint16 protocolFeeShare, uint16 newProtocolFeeShare);

    /// @notice Transfer admin rights to a new address
    /// @param newAdmin address of the new admin
    event SetAdmin(address indexed newAdmin);

    /// @dev constructor
    /// @param admin_ admin's address
    /// @param feeReceiver_ the address of the protocol fee receiver
    constructor(address admin_, address feeReceiver_) {
        if (admin_ == address(0)) revert E_InvalidAdmin();
        if (feeReceiver_ == address(0)) revert E_InvalidReceiver();

        admin = admin_;
        feeReceiver = feeReceiver_;

        minInterestFee = 0.1e4;
        maxInterestFee = 1e4;
        protocolFeeShare = 0.5e4;
    }

    /// @inheritdoc IProtocolConfig
    function isValidInterestFee(address vault, uint16 interestFee) external view returns (bool) {
        InterestFeeRange memory range = _interestFeeRanges[vault];

        if (range.exists) {
            return interestFee >= range.minInterestFee && interestFee <= range.maxInterestFee;
        }

        return interestFee >= minInterestFee && interestFee <= maxInterestFee;
    }

    /// @inheritdoc IProtocolConfig
    function protocolFeeConfig(address vault) external view returns (address, uint16) {
        ProtocolFeeConfig memory config = _protocolFeeConfig[vault];

        if (config.exists) {
            return (config.feeReceiver, config.protocolFeeShare);
        }

        return (feeReceiver, protocolFeeShare);
    }

    /// @inheritdoc IProtocolConfig
    function interestFeeRange(address vault) external view returns (uint16, uint16) {
        InterestFeeRange memory ranges = _interestFeeRanges[vault];

        if (ranges.exists) {
            return (ranges.minInterestFee, ranges.maxInterestFee);
        }

        return (minInterestFee, maxInterestFee);
    }

    // Admin functions

    /// @dev modifier to check if sender is admin address
    modifier onlyAdmin() {
        if (msg.sender != admin) revert E_OnlyAdmin();

        _;
    }

    /// @notice set admin address
    /// @param newAdmin admin's address
    function setAdmin(address newAdmin) external onlyAdmin {
        if (newAdmin == address(0)) revert E_InvalidAdmin();

        admin = newAdmin;

        emit SetAdmin(newAdmin);
    }

    /// @notice set protocol fee receiver
    /// @dev can only be called by admin
    /// @param newReceiver new receiver address
    function setFeeReceiver(address newReceiver) external onlyAdmin {
        if (newReceiver == address(0)) revert E_InvalidReceiver();

        feeReceiver = newReceiver;

        emit SetFeeReceiver(newReceiver);
    }

    /// @notice set protocol fee share
    /// @dev can only be called by admin
    /// @param newProtocolFeeShare new protocol fee share
    function setProtocolFeeShare(uint16 newProtocolFeeShare) external onlyAdmin {
        if (newProtocolFeeShare > CONFIG_SCALE) revert E_InvalidConfigValue();

        emit SetProtocolFeeShare(protocolFeeShare, newProtocolFeeShare);

        protocolFeeShare = newProtocolFeeShare;
    }

    /// @notice set generic min interest fee
    /// @dev can only be called by admin
    /// @param minInterestFee_ new min interest fee
    /// @param maxInterestFee_ new max interest fee
    function setInterestFeeRange(uint16 minInterestFee_, uint16 maxInterestFee_) external onlyAdmin {
        if (maxInterestFee_ > CONFIG_SCALE || minInterestFee_ > maxInterestFee_) revert E_InvalidConfigValue();

        minInterestFee = minInterestFee_;
        maxInterestFee = maxInterestFee_;

        emit SetInterestFeeRange(minInterestFee_, maxInterestFee_);
    }

    /// @notice set interest fee range for specific vault
    /// @dev can only be called by admin
    /// @param vault vault's address
    /// @param exists_ a boolean to set or unset the ranges. When false, the generic ranges will be used for the vault
    /// @param minInterestFee_ min interest fee
    /// @param maxInterestFee_ max interest fee
    function setVaultInterestFeeRange(address vault, bool exists_, uint16 minInterestFee_, uint16 maxInterestFee_)
        external
        onlyAdmin
    {
        if (vault == address(0)) revert E_InvalidVault();
        if (maxInterestFee_ > CONFIG_SCALE || minInterestFee_ > maxInterestFee_) revert E_InvalidConfigValue();

        _interestFeeRanges[vault] =
            InterestFeeRange({exists: exists_, minInterestFee: minInterestFee_, maxInterestFee: maxInterestFee_});

        emit SetVaultInterestFeeRange(vault, exists_, minInterestFee_, maxInterestFee_);
    }

    /// @notice set protocol fee config for specific vault
    /// @dev can only be called by admin
    /// @param vault vault's address
    /// @param exists_ a boolean to set or unset the config. When false, the generic config will be used for the vault
    /// @param feeReceiver_ fee receiver address
    /// @param protocolFeeShare_ fee share
    function setVaultFeeConfig(address vault, bool exists_, address feeReceiver_, uint16 protocolFeeShare_)
        external
        onlyAdmin
    {
        if (vault == address(0)) revert E_InvalidVault();
        if (exists_ && feeReceiver_ == address(0)) revert E_InvalidReceiver();
        if (protocolFeeShare_ > CONFIG_SCALE) revert E_InvalidConfigValue();

        _protocolFeeConfig[vault] =
            ProtocolFeeConfig({exists: exists_, feeReceiver: feeReceiver_, protocolFeeShare: protocolFeeShare_});

        emit SetFeeConfigSetting(vault, exists_, feeReceiver_, protocolFeeShare_);
    }
}

// SPDX-License-Identifier: GPL-2.0-or-later

pragma solidity >=0.8.0;

/// @title IProtocolConfig
/// @custom:security-contact [email protected]
/// @author Euler Labs (https://www.eulerlabs.com/)
/// @notice Interface of the contract centralizing the protocol's (DAO's) configuration for all the EVault deployments
interface IProtocolConfig {
    /// @notice check if a vault's interest fee is valid
    /// @param vault address of the vault
    /// @param interestFee an interest fee value to check
    /// @dev an interest fee is considered valid only when it is greater than or equal the min interest fee and less
    /// than or equal the max interest fee
    /// @dev if a vault has a specific interest fee ranges set by admin, it will be used, otherwise the generic ones
    /// will be checked against
    /// @return bool true for valid, else false
    function isValidInterestFee(address vault, uint16 interestFee) external view returns (bool);

    /// @notice get protocol fee config for a certain vault
    /// @param vault address of the vault
    /// @dev if vault == address(0), the generic config will be returned
    /// @return address protocol fee receiver
    /// @return uint16 protocol fee share
    function protocolFeeConfig(address vault) external view returns (address, uint16);

    /// @notice get interest fee ranges for a certain vault
    /// @param vault address of the vault
    /// @dev if vault == address(0), the generic ranges will be returned
    /// @return uint16 min interest fee
    /// @return uint16 max interest fee
    function interestFeeRange(address vault) external view returns (uint16, uint16);
}

{
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    "lib/euler-price-oracle:@openzeppelin/contracts/=lib/euler-price-oracle/lib/openzeppelin-contracts/contracts/",
    "lib/native-token-transfers/evm:openzeppelin-contracts/contracts/=lib/native-token-transfers/evm/lib/openzeppelin-contracts/contracts/",
    "lib/euler-earn:@openzeppelin/=lib/euler-earn/lib/openzeppelin-contracts/",
    "lib/euler-earn:@openzeppelin-upgradeable/=lib/euler-earn/lib/openzeppelin-contracts-upgradeable/contracts/",
    "lib/euler-earn:ethereum-vault-connector/=lib/euler-earn/lib/ethereum-vault-connector/src/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/contracts/",
    "openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
    "ethereum-vault-connector/=lib/ethereum-vault-connector/src/",
    "evc/=lib/ethereum-vault-connector/src/",
    "evk/=lib/euler-vault-kit/src/",
    "evk-test/=lib/euler-vault-kit/test/",
    "euler-price-oracle/=lib/euler-price-oracle/src/",
    "euler-price-oracle-test/=lib/euler-price-oracle/test/",
    "fee-flow/=lib/fee-flow/src/",
    "reward-streams/=lib/reward-streams/src/",
    "@openzeppelin/=lib/openzeppelin-contracts/contracts/",
    "euler-earn/=lib/euler-earn/src/",
    "native-token-transfers/=lib/native-token-transfers/evm/src/",
    "@openzeppelin-upgradeable/=lib/euler-earn/lib/openzeppelin-contracts-upgradeable/contracts/",
    "@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
    "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
    "@pendle/core-v2/=lib/euler-price-oracle/lib/pendle-core-v2-public/contracts/",
    "@pyth/=lib/euler-price-oracle/lib/pyth-sdk-solidity/",
    "@redstone/evm-connector/=lib/euler-price-oracle/lib/redstone-oracles-monorepo/packages/evm-connector/contracts/",
    "@solady/=lib/euler-price-oracle/lib/solady/src/",
    "@uniswap/v3-core/=lib/euler-price-oracle/lib/v3-core/",
    "@uniswap/v3-periphery/=lib/euler-price-oracle/lib/v3-periphery/",
    "ERC4626/=lib/euler-earn/lib/properties/lib/ERC4626/contracts/",
    "crytic-properties/=lib/euler-earn/lib/properties/contracts/",
    "ds-test/=lib/ethereum-vault-connector/lib/forge-std/lib/ds-test/src/",
    "erc4626-tests/=lib/openzeppelin-contracts-upgradeable/lib/erc4626-tests/",
    "euler-vault-kit/=lib/euler-vault-kit/",
    "forge-gas-snapshot/=lib/euler-vault-kit/lib/permit2/lib/forge-gas-snapshot/src/",
    "forge-std/=lib/forge-std/src/",
    "halmos-cheatcodes/=lib/openzeppelin-contracts-upgradeable/lib/halmos-cheatcodes/src/",
    "layerzero-devtools/=lib/layerzero-devtools/packages/toolbox-foundry/src/",
    "layerzero-v2/=lib/layerzero-v2/",
    "openzeppelin/=lib/ethereum-vault-connector/lib/openzeppelin-contracts/contracts/",
    "pendle-core-v2-public/=lib/euler-price-oracle/lib/pendle-core-v2-public/contracts/",
    "permit2/=lib/euler-vault-kit/lib/permit2/",
    "properties/=lib/euler-earn/lib/properties/contracts/",
    "pyth-sdk-solidity/=lib/euler-price-oracle/lib/pyth-sdk-solidity/",
    "redstone-oracles-monorepo/=lib/euler-price-oracle/lib/",
    "solady/=lib/euler-price-oracle/lib/solady/src/",
    "solidity-bytes-utils/=lib/native-token-transfers/evm/lib/solidity-bytes-utils/contracts/",
    "solmate/=lib/fee-flow/lib/solmate/src/",
    "v3-core/=lib/euler-price-oracle/lib/v3-core/contracts/",
    "v3-periphery/=lib/euler-price-oracle/lib/v3-periphery/contracts/",
    "wormhole-solidity-sdk/=lib/native-token-transfers/evm/lib/wormhole-solidity-sdk/src/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 20000
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "cancun",
  "viaIR": false,
  "libraries": {}
}

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[{"inputs":[{"internalType":"address","name":"admin_","type":"address"},{"internalType":"address","name":"feeReceiver_","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"E_InvalidAdmin","type":"error"},{"inputs":[],"name":"E_InvalidConfigValue","type":"error"},{"inputs":[],"name":"E_InvalidReceiver","type":"error"},{"inputs":[],"name":"E_InvalidVault","type":"error"},{"inputs":[],"name":"E_OnlyAdmin","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"newAdmin","type":"address"}],"name":"SetAdmin","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"vault","type":"address"},{"indexed":false,"internalType":"bool","name":"exists","type":"bool"},{"indexed":true,"internalType":"address","name":"feeReceiver","type":"address"},{"indexed":false,"internalType":"uint16","name":"protocolFeeShare","type":"uint16"}],"name":"SetFeeConfigSetting","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"newFeeReceiver","type":"address"}],"name":"SetFeeReceiver","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint16","name":"newMinInterestFee","type":"uint16"},{"indexed":false,"internalType":"uint16","name":"newMaxInterestFee","type":"uint16"}],"name":"SetInterestFeeRange","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint16","name":"protocolFeeShare","type":"uint16"},{"indexed":false,"internalType":"uint16","name":"newProtocolFeeShare","type":"uint16"}],"name":"SetProtocolFeeShare","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"vault","type":"address"},{"indexed":false,"internalType":"bool","name":"exists","type":"bool"},{"indexed":false,"internalType":"uint16","name":"minInterestFee","type":"uint16"},{"indexed":false,"internalType":"uint16","name":"maxInterestFee","type":"uint16"}],"name":"SetVaultInterestFeeRange","type":"event"},{"inputs":[],"name":"admin","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"feeReceiver","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"vault","type":"address"}],"name":"interestFeeRange","outputs":[{"internalType":"uint16","name":"","type":"uint16"},{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"vault","type":"address"},{"internalType":"uint16","name":"interestFee","type":"uint16"}],"name":"isValidInterestFee","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"vault","type":"address"}],"name":"protocolFeeConfig","outputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newAdmin","type":"address"}],"name":"setAdmin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newReceiver","type":"address"}],"name":"setFeeReceiver","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"minInterestFee_","type":"uint16"},{"internalType":"uint16","name":"maxInterestFee_","type":"uint16"}],"name":"setInterestFeeRange","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"newProtocolFeeShare","type":"uint16"}],"name":"setProtocolFeeShare","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"vault","type":"address"},{"internalType":"bool","name":"exists_","type":"bool"},{"internalType":"address","name":"feeReceiver_","type":"address"},{"internalType":"uint16","name":"protocolFeeShare_","type":"uint16"}],"name":"setVaultFeeConfig","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"vault","type":"address"},{"internalType":"bool","name":"exists_","type":"bool"},{"internalType":"uint16","name":"minInterestFee_","type":"uint16"},{"internalType":"uint16","name":"maxInterestFee_","type":"uint16"}],"name":"setVaultInterestFeeRange","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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000000000000000000000000b49f50798b7014034bd7804912cc40dde9ef82a2000000000000000000000000b49f50798b7014034bd7804912cc40dde9ef82a2

-----Decoded View---------------
Arg [0] : admin_ (address): 0xb49F50798B7014034bd7804912CC40ddE9eF82A2
Arg [1] : feeReceiver_ (address): 0xb49F50798B7014034bd7804912CC40ddE9eF82A2

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 000000000000000000000000b49f50798b7014034bd7804912cc40dde9ef82a2
Arg [1] : 000000000000000000000000b49f50798b7014034bd7804912cc40dde9ef82a2