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// SPDX-License-Identifier: MIT
pragma solidity 0.8.24;

import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {IERC165} from "@openzeppelin/contracts/utils/introspection/IERC165.sol";
import {SafeERC20} from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import {IMeldFarming, IMeldFarmingManager} from "./interfaces/IMeldFarmingManager.sol";
import {ILockedAdapter} from "./interfaces/ILockedAdapter.sol";
import {IMeldBridgeReceiver} from "./interfaces/IMeldBridgeReceiver.sol";
import {Errors} from "./libraries/Errors.sol";

/**
 * @title Meld Farming Manager contract
 * @notice Contract that manages the yield farming adapters
 * @author MELD team
 */
contract MeldFarmingManager is IMeldFarmingManager {
    using SafeERC20 for IERC20;

    mapping(uint256 index => address adapterAddress) public override adapterAddresses;
    mapping(address adapterAddress => AdapterConfig config) private adapters;
    uint256 public override numAdapters;

    mapping(address => YieldAssetConfig) private yieldAssetConfigs;

    IMeldBridgeReceiver public override bridge;
    address public override treasury;

    /**
     * @notice Modifier to check that only the bridge can call the function
     */
    modifier onlyBridge() {
        require(msg.sender == address(bridge), Errors.MFM_ONLY_BRIDGE_ALLOWED);
        _;
    }

    /**
     * @notice Modifier to check that the caller has the required role
     * @dev It queries the bridge contract to check the role
     * @param _role Role required to call the function
     */
    modifier onlyRole(bytes32 _role) {
        bridge.checkRole(_role, msg.sender);
        _;
    }

    /**
     * @notice Constructor of the contract
     * @param _bridge Address of the Meld Bridge Receiver contract
     * @param _treasury Address of the treasury
     */
    constructor(address _bridge, address _treasury) {
        bridge = IMeldBridgeReceiver(_bridge);
        emit BridgeSet(msg.sender, _bridge);
        _setTreasury(_treasury);
    }

    /**
     * @inheritdoc IMeldFarmingManager
     */
    function addAdapter(
        string memory _adapterId,
        address _adapterAddress,
        bool _locked
    ) external override onlyRole(bridge.CONFIGURATION_ROLE()) {
        require(bytes(_adapterId).length > 0, Errors.MFM_INVALID_ADAPTER_ID);
        require(!adapters[_adapterAddress].exists, Errors.MFM_ADAPTER_ALREADY_EXISTS);
        require(_adapterAddress != address(0), Errors.INVALID_ADDRESS);
        IMeldFarming adapter = IMeldFarming(_adapterAddress);
        require(
            adapter.supportsInterface(type(IMeldFarming).interfaceId),
            Errors.MFM_ADAPTER_IS_NOT_MELD_FARMING
        );
        require(adapter.meldFarmingManager() == address(this), Errors.MFM_INVALID_ADAPTER_MFM);

        adapters[_adapterAddress] = AdapterConfig({
            adapterIdStr: _adapterId,
            enabled: true,
            locked: _locked,
            exists: true
        });
        adapterAddresses[numAdapters] = _adapterAddress;
        numAdapters++;
        emit AdapterAdded(msg.sender, _adapterId, _adapterAddress, _locked);
    }

    /**
     * @inheritdoc IMeldFarmingManager
     */
    function setAdapterEnabled(
        address _adapterAddress,
        bool _enabled
    ) external override onlyRole(bridge.CONFIGURATION_ROLE()) {
        AdapterConfig storage adapter = adapters[_adapterAddress];
        require(adapter.exists, Errors.MFM_ADAPTER_DOES_NOT_EXIST);
        adapter.enabled = _enabled;
        emit AdapterEnabled(msg.sender, _adapterAddress, _enabled);
    }

    /**
     * @inheritdoc IMeldFarmingManager
     */
    function configAsset(
        address _asset,
        address[] memory _adaptersAddresses
    ) external override onlyRole(bridge.CONFIGURATION_ROLE()) {
        YieldAssetConfig storage yaConfig = yieldAssetConfigs[_asset];

        address[] memory tempAdapterAddresses = new address[](
            yaConfig.numAdapters + _adaptersAddresses.length
        );
        address tempAdapterAddress;
        YieldAssetAdapter memory tempAdapter;
        uint256 tempNumAdapters = yaConfig.numAdapters;

        _safeApproveAll(IERC20(_asset), address(bridge));

        // We create an array of size oldList + newList of adapter ids
        // If the adapter already exists, we set its id in the same position
        // If the adapter doesn't exist, we set its id after the last position of the old list and update that pointer
        // Once that it's done, we have to reorganize the info to remove the empty spaces

        for (uint256 i = 0; i < _adaptersAddresses.length; i++) {
            require(adapters[_adaptersAddresses[i]].exists, Errors.MFM_ADAPTER_DOES_NOT_EXIST);
            // Iterate over the new list of adapters
            tempAdapterAddress = _adaptersAddresses[i];
            tempAdapter = yaConfig.adapters[tempAdapterAddress];
            if (tempAdapter.exists) {
                // If the adapter already exists, set its id in the tempAdapterAddresss
                tempAdapterAddresses[tempAdapter.index] = tempAdapterAddress;
            } else {
                // If the adapter doesn't exist, add it to the list
                tempAdapterAddresses[tempNumAdapters] = tempAdapterAddress;
                yaConfig.adapterIndex[tempNumAdapters] = tempAdapterAddress;
                yaConfig.adapters[tempAdapterAddress] = YieldAssetAdapter({
                    yieldDeposit: 0,
                    lastTimestampRewardsClaimed: 0,
                    index: tempNumAdapters,
                    exists: true
                });

                _safeApproveAll(IERC20(_asset), tempAdapterAddress);
                tempNumAdapters++;
            }
        }

        emit AssetConfigSet(msg.sender, _asset, _adaptersAddresses);
        if (tempNumAdapters == 0) {
            return;
        }

        uint256 rewardsClaimed = 0;
        uint256 tempRewards;

        for (uint256 i = 0; i < yaConfig.numAdapters; i++) {
            if (tempAdapterAddresses[i] != address(0)) {
                // Position not empty
                continue;
            }
            // Position empty

            // Withdraw all from the adapter

            address oldAdapterAddress = adapterAddresses[i];

            AdapterConfig memory adapterConfig = adapters[oldAdapterAddress];

            _checkAdapterEnabled(adapterConfig);

            uint256 adapterAssetDepositAmount = yaConfig.adapters[oldAdapterAddress].yieldDeposit;

            yaConfig.liquidDeposit += IMeldFarming(oldAdapterAddress).withdraw(
                _asset,
                adapterAssetDepositAmount,
                ""
            );
            tempRewards = IMeldFarming(oldAdapterAddress).claimRewards(_asset, "", false);
            rewardsClaimed += tempRewards;
            emit RewardsClaimed(msg.sender, _asset, oldAdapterAddress, tempRewards);

            // Remove old position
            delete yaConfig.adapters[oldAdapterAddress];
            for (; tempNumAdapters > i; tempNumAdapters--) {
                if (tempAdapterAddresses[tempNumAdapters - 1] == address(0)) {
                    // Last position empty
                    continue;
                }
                tempAdapterAddresses[i] = tempAdapterAddresses[tempNumAdapters - 1];
                yaConfig.adapters[tempAdapterAddresses[i]].index = i;
                yaConfig.adapterIndex[i] = tempAdapterAddresses[i];
                tempAdapterAddresses[tempNumAdapters - 1] = address(0);
                tempNumAdapters--;
                break;
            }
        }

        yaConfig.numAdapters = _adaptersAddresses.length;

        if (rewardsClaimed > 0) {
            IERC20(_asset).safeTransfer(treasury, rewardsClaimed);
        }
    }

    /**
     * @inheritdoc IMeldFarmingManager
     */
    function setTreasury(
        address _treasury
    ) external override onlyRole(bridge.CONFIGURATION_ROLE()) {
        _setTreasury(_treasury);
    }

    /**
     * @inheritdoc IMeldFarmingManager
     */
    function rebalance(
        RebalancingInfo[] calldata _rebalanceInfo
    ) external override onlyRole(bridge.REBALANCER_ROLE()) {
        require(_rebalanceInfo.length > 0, Errors.INVALID_ARRAY_LENGTH);
        for (uint256 i = 0; i < _rebalanceInfo.length; i++) {
            RebalancingInfo calldata rebalanceInfo = _rebalanceInfo[i];
            _checkAdapterEnabled(adapters[rebalanceInfo.adapterAddress]);
            IMeldFarming adapter = IMeldFarming(rebalanceInfo.adapterAddress);

            YieldAssetConfig storage yaConfig = yieldAssetConfigs[rebalanceInfo.asset];
            if (rebalanceInfo.action == RebalanceAction.DEPOSIT) {
                require(
                    rebalanceInfo.amount <= yaConfig.liquidDeposit,
                    Errors.MFM_NOT_ENOUGH_FUNDS
                );
                adapter.deposit(rebalanceInfo.asset, rebalanceInfo.amount, rebalanceInfo.extra);
                yaConfig.liquidDeposit -= rebalanceInfo.amount;
                yaConfig.adapters[rebalanceInfo.adapterAddress].yieldDeposit += rebalanceInfo
                    .amount;
            } else if (rebalanceInfo.action == RebalanceAction.WITHDRAW) {
                require(
                    rebalanceInfo.amount <=
                        yaConfig.adapters[rebalanceInfo.adapterAddress].yieldDeposit,
                    Errors.MFM_NOT_ENOUGH_FUNDS
                );
                uint256 amount = adapter.withdraw(
                    rebalanceInfo.asset,
                    rebalanceInfo.amount,
                    rebalanceInfo.extra
                );
                require(amount == rebalanceInfo.amount, Errors.MFM_AMOUNT_MISMATCH);
                yaConfig.liquidDeposit += rebalanceInfo.amount;
                yaConfig.adapters[rebalanceInfo.adapterAddress].yieldDeposit -= rebalanceInfo
                    .amount;
            } else if (rebalanceInfo.action == RebalanceAction.REQUEST_WITHDRAW) {
                ILockedAdapter(address(adapter)).requestWithdraw(
                    rebalanceInfo.asset,
                    rebalanceInfo.amount,
                    rebalanceInfo.extra
                );
            }
            emit Rebalanced(
                msg.sender,
                rebalanceInfo.asset,
                rebalanceInfo.adapterAddress,
                rebalanceInfo.amount,
                rebalanceInfo.action
            );
        }
    }

    /**
     * @inheritdoc IMeldFarming
     */
    function deposit(address _asset, uint256 _amount, bytes calldata) external override onlyBridge {
        YieldAssetConfig storage assetConfig = yieldAssetConfigs[_asset];

        assetConfig.liquidDeposit += _amount;

        emit Deposited(_asset, _amount);
    }

    /**
     * @inheritdoc IMeldFarming
     */
    function withdraw(
        address _asset,
        uint256 _amount,
        bytes calldata _extra
    ) external override onlyBridge returns (uint256) {
        YieldAssetConfig storage assetConfig = yieldAssetConfigs[_asset];
        uint256 remainingAmount = _amount;

        if (remainingAmount > assetConfig.liquidDeposit) {
            remainingAmount -= assetConfig.liquidDeposit;
            assetConfig.liquidDeposit = 0;
            for (uint256 i = 0; i < assetConfig.numAdapters; i++) {
                address adapterAddress = assetConfig.adapterIndex[i];
                IMeldFarming adapter = IMeldFarming(adapterAddress);
                YieldAssetAdapter storage yaAdapter = assetConfig.adapters[adapterAddress];
                AdapterConfig memory adapterConfig = adapters[adapterAddress];
                if (!adapterConfig.enabled) {
                    continue;
                }
                uint256 adapterAvailableLiquidity = adapter.getAvailableLiquidity(_asset);
                if (adapterAvailableLiquidity == 0) {
                    continue;
                }
                if (adapterAvailableLiquidity >= remainingAmount) {
                    adapter.withdraw(_asset, remainingAmount, _extra);
                    yaAdapter.yieldDeposit -= remainingAmount;
                    remainingAmount = 0;
                    break;
                } else {
                    adapter.withdraw(_asset, adapterAvailableLiquidity, _extra);
                    yaAdapter.yieldDeposit = 0;
                    remainingAmount -= adapterAvailableLiquidity;
                }
            }
            require(remainingAmount == 0, Errors.MFM_NOT_ENOUGH_FUNDS);
        } else {
            assetConfig.liquidDeposit -= remainingAmount;
        }
        emit Withdrawn(_asset, _amount);

        return _amount;
    }

    /**
     * @inheritdoc IMeldFarming
     */
    function claimRewards(
        address _asset,
        bytes calldata _extra,
        bool _withdrawOnlyAvailable
    ) external override onlyRole(bridge.REBALANCER_ROLE()) returns (uint256) {
        YieldAssetConfig storage assetConfig = yieldAssetConfigs[_asset];
        require(assetConfig.numAdapters > 0, Errors.MFM_NO_ADAPTERS_CONFIGURED);
        uint256 totalRewards;
        for (uint256 i = 0; i < assetConfig.numAdapters; i++) {
            address adapterAddress = assetConfig.adapterIndex[i];
            YieldAssetAdapter storage yaAdapter = assetConfig.adapters[adapterAddress];
            AdapterConfig memory adapterConfig = adapters[adapterAddress];
            if (!adapterConfig.enabled) {
                continue;
            }
            uint256 rewards = IMeldFarming(adapterAddress).claimRewards(
                _asset,
                _extra,
                _withdrawOnlyAvailable
            );
            if (rewards > 0) {
                totalRewards += rewards;
                yaAdapter.lastTimestampRewardsClaimed = block.timestamp;
            }
            emit RewardsClaimed(msg.sender, _asset, adapterAddress, rewards);
        }
        IERC20(_asset).safeTransfer(treasury, totalRewards);
        return totalRewards;
    }

    /**
     * @inheritdoc IMeldFarmingManager
     */
    function getAllAdapters() external view override returns (AdapterConfig[] memory) {
        AdapterConfig[] memory adaptersConfig = new AdapterConfig[](numAdapters);
        for (uint256 i = 0; i < numAdapters; i++) {
            adaptersConfig[i] = adapters[adapterAddresses[i]];
        }
        return adaptersConfig;
    }

    /**
     * @inheritdoc IMeldFarmingManager
     */
    function getAdapter(
        address _adapterAddress
    ) external view override returns (AdapterConfig memory) {
        return adapters[_adapterAddress];
    }

    /**
     * @inheritdoc IMeldFarmingManager
     */
    function getYieldAssetConfig(
        address _asset
    )
        external
        view
        override
        returns (
            string[] memory assetAdapterIds,
            address[] memory assetAdapterAddresses,
            uint256[] memory yieldDeposit,
            uint256[] memory lastTimestampRewardsClaimed,
            uint256 liquidDeposit,
            uint256 totalDeposit,
            uint256 totalAvailableLiquidity
        )
    {
        YieldAssetConfig storage assetConfig = yieldAssetConfigs[_asset];
        uint256 assetNumAdapters = assetConfig.numAdapters;
        liquidDeposit = assetConfig.liquidDeposit;
        totalDeposit = liquidDeposit;
        totalAvailableLiquidity = liquidDeposit;
        assetAdapterIds = new string[](assetNumAdapters);
        yieldDeposit = new uint256[](assetNumAdapters);
        lastTimestampRewardsClaimed = new uint256[](assetNumAdapters);
        assetAdapterAddresses = new address[](assetNumAdapters);
        address tempAdapterAddress;
        YieldAssetAdapter memory tempAdapter;
        for (uint256 i = 0; i < assetNumAdapters; i++) {
            tempAdapterAddress = assetConfig.adapterIndex[i];
            assetAdapterIds[i] = adapters[tempAdapterAddress].adapterIdStr;
            tempAdapter = assetConfig.adapters[tempAdapterAddress];
            yieldDeposit[i] = tempAdapter.yieldDeposit;
            totalDeposit += tempAdapter.yieldDeposit;
            totalAvailableLiquidity += IMeldFarming(tempAdapterAddress).getAvailableLiquidity(
                _asset
            );
            assetAdapterAddresses[i] = tempAdapterAddress;
            lastTimestampRewardsClaimed[i] = tempAdapter.lastTimestampRewardsClaimed;
        }
    }

    /**
     * @inheritdoc IMeldFarmingManager
     */
    function getTotalDeposit(address _asset) external view override returns (uint256) {
        YieldAssetConfig storage assetConfig = yieldAssetConfigs[_asset];
        uint256 total = assetConfig.liquidDeposit;
        address tempAdapterAddress;
        for (uint256 i = 0; i < assetConfig.numAdapters; i++) {
            tempAdapterAddress = assetConfig.adapterIndex[i];
            total += assetConfig.adapters[tempAdapterAddress].yieldDeposit;
        }
        return total;
    }

    /**
     * @inheritdoc IMeldFarming
     * @dev This includes the funds in the Meld Farming Manager plus the funds in the non-locked adapters
     */
    function getAvailableLiquidity(address _asset) external view override returns (uint256) {
        YieldAssetConfig storage assetConfig = yieldAssetConfigs[_asset];
        uint256 total = assetConfig.liquidDeposit;
        address tempAdapterAddress;
        for (uint256 i = 0; i < assetConfig.numAdapters; i++) {
            tempAdapterAddress = assetConfig.adapterIndex[i];
            if (!adapters[tempAdapterAddress].locked) {
                total += IMeldFarming(tempAdapterAddress).getAvailableLiquidity(_asset);
            }
        }
        return total;
    }

    /**
     * @inheritdoc IMeldFarming
     * @dev This is the sum of the rewards of the adapters configured for the asset
     */
    function getRewardsAmount(address _asset) external view override returns (uint256) {
        YieldAssetConfig storage assetConfig = yieldAssetConfigs[_asset];
        uint256 total;
        address tempAdapterAddress;
        for (uint256 i = 0; i < assetConfig.numAdapters; i++) {
            tempAdapterAddress = assetConfig.adapterIndex[i];
            total += IMeldFarming(tempAdapterAddress).getRewardsAmount(_asset);
        }
        return total;
    }

    /**
     * @inheritdoc IMeldFarming
     * @dev This function is intended for the Yield Adapters, but this contract must implement the same interface
     */
    function meldFarmingManager() external view override returns (address) {
        return address(this);
    }

    /**
     * @inheritdoc IERC165
     */
    function supportsInterface(bytes4 _interfaceId) public pure override returns (bool) {
        return _interfaceId == type(IMeldFarming).interfaceId;
    }

    /**
     * @notice Private function to set the treasury address
     * @param _treasury Address of the treasury
     */
    function _setTreasury(address _treasury) private {
        require(_treasury != address(0), Errors.INVALID_ADDRESS);
        emit TreasuryUpdated(msg.sender, treasury, _treasury);
        treasury = _treasury;
    }

    /**
     * @notice Private function to safe approve all the tokens to the spender
     * @param _token Token to approve
     * @param _spender Spender to approve
     */
    function _safeApproveAll(IERC20 _token, address _spender) private {
        uint256 allowance = _token.allowance(address(this), _spender);
        uint256 increaseAllowance = type(uint256).max - allowance;
        if (increaseAllowance > 0) {
            _token.safeIncreaseAllowance(_spender, increaseAllowance);
        }
    }

    /**
     * @notice Private function to check if the adapter is enabled
     * @dev It reverts if the adapter is not enabled
     * @param _adapter Adapter configuration
     */
    function _checkAdapterEnabled(AdapterConfig memory _adapter) private pure {
        require(_adapter.enabled, Errors.MFM_ADAPTER_DISABLED);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.4) (token/ERC20/extensions/IERC20Permit.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 *
 * ==== Security Considerations
 *
 * There are two important considerations concerning the use of `permit`. The first is that a valid permit signature
 * expresses an allowance, and it should not be assumed to convey additional meaning. In particular, it should not be
 * considered as an intention to spend the allowance in any specific way. The second is that because permits have
 * built-in replay protection and can be submitted by anyone, they can be frontrun. A protocol that uses permits should
 * take this into consideration and allow a `permit` call to fail. Combining these two aspects, a pattern that may be
 * generally recommended is:
 *
 * ```solidity
 * function doThingWithPermit(..., uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) public {
 *     try token.permit(msg.sender, address(this), value, deadline, v, r, s) {} catch {}
 *     doThing(..., value);
 * }
 *
 * function doThing(..., uint256 value) public {
 *     token.safeTransferFrom(msg.sender, address(this), value);
 *     ...
 * }
 * ```
 *
 * Observe that: 1) `msg.sender` is used as the owner, leaving no ambiguity as to the signer intent, and 2) the use of
 * `try/catch` allows the permit to fail and makes the code tolerant to frontrunning. (See also
 * {SafeERC20-safeTransferFrom}).
 *
 * Additionally, note that smart contract wallets (such as Argent or Safe) are not able to produce permit signatures, so
 * contracts should have entry points that don't rely on permit.
 */
interface IERC20Permit {
    /**
     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
     * given ``owner``'s signed approval.
     *
     * IMPORTANT: The same issues {IERC20-approve} has related to transaction
     * ordering also apply here.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `deadline` must be a timestamp in the future.
     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
     * over the EIP712-formatted function arguments.
     * - the signature must use ``owner``'s current nonce (see {nonces}).
     *
     * For more information on the signature format, see the
     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
     * section].
     *
     * CAUTION: See Security Considerations above.
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

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

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

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.3) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

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

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

    /**
     * @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeTransfer(IERC20 token, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    /**
     * @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the
     * calling contract. If `token` returns no value, non-reverting calls are assumed to be successful.
     */
    function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

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

    /**
     * @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        uint256 oldAllowance = token.allowance(address(this), spender);
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance + value));
    }

    /**
     * @dev Decrease the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance - value));
        }
    }

    /**
     * @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval
     * to be set to zero before setting it to a non-zero value, such as USDT.
     */
    function forceApprove(IERC20 token, address spender, uint256 value) internal {
        bytes memory approvalCall = abi.encodeWithSelector(token.approve.selector, spender, value);

        if (!_callOptionalReturnBool(token, approvalCall)) {
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, 0));
            _callOptionalReturn(token, approvalCall);
        }
    }

    /**
     * @dev Use a ERC-2612 signature to set the `owner` approval toward `spender` on `token`.
     * Revert on invalid signature.
     */
    function safePermit(
        IERC20Permit token,
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal {
        uint256 nonceBefore = token.nonces(owner);
        token.permit(owner, spender, value, deadline, v, r, s);
        uint256 nonceAfter = token.nonces(owner);
        require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
    }

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

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

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     *
     * This is a variant of {_callOptionalReturn} that silents catches all reverts and returns a bool instead.
     */
    function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We cannot use {Address-functionCall} here since this should return false
        // and not revert is the subcall reverts.

        (bool success, bytes memory returndata) = address(token).call(data);
        return
            success && (returndata.length == 0 || abi.decode(returndata, (bool))) && Address.isContract(address(token));
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     *
     * Furthermore, `isContract` will also return true if the target contract within
     * the same transaction is already scheduled for destruction by `SELFDESTRUCT`,
     * which only has an effect at the end of a transaction.
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // Look for revert reason and bubble it up if present
        if (returndata.length > 0) {
            // The easiest way to bubble the revert reason is using memory via assembly
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

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

pragma solidity ^0.8.0;

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

// SPDX-License-Identifier: MIT
pragma solidity 0.8.24;

/**
 * @title Locked Adapter interface
 * @notice Interface for the locked adapters, to add the requestWithdraw function
 * @author MELD team
 */
interface ILockedAdapter {
    /**
     * @notice Request a withdraw from the adapter, so the funds can be withdrawn in the future
     * @param _asset Address of the asset to withdraw
     * @param _amount Amount to withdraw
     * @param _extra Extra data for the withdraw
     */
    function requestWithdraw(address _asset, uint256 _amount, bytes calldata _extra) external;
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.24;

/**
 * @title Meld Bridge Base interface
 * @notice Interface for the Meld Bridge Base contract, to set supported tokens and check roles
 * @author MELD team
 */
interface IMeldBridgeBase {
    /**
     * @notice Emitted when a token is supported or unsupported
     * @param executedBy Address that executed the event
     * @param token Address of the token
     * @param supported True if the token is supported, false if unsupported
     */
    event SupportedTokenSet(address indexed executedBy, address indexed token, bool supported);

    /**
     * @notice Set the supported status of a token
     * @param _token Address of the token
     * @param _supported True if the token is supported, false if unsupported
     */
    function setSupportedToken(address _token, bool _supported) external;

    /**
     * @notice Check if an account has a role. Reverts if the account does not have the role
     * @param _role Role to check
     * @param _account Account to check
     */
    function checkRole(bytes32 _role, address _account) external view;

    /**
     * @notice Role for configuration
     * @return Role
     */
    function CONFIGURATION_ROLE() external view returns (bytes32); // solhint-disable-line func-name-mixedcase

    /**
     * @notice Role for execution of requests
     * @return Role
     */
    function EXECUTION_ROLE() external view returns (bytes32); // solhint-disable-line func-name-mixedcase

    /**
     * @notice Check if a token is supported
     * @param _token Address of the token
     * @return True if the token is supported
     */
    function supportedTokens(address _token) external view returns (bool);

    /**
     * @notice Check if a request has been processed
     * @param _requestId ID of the request
     * @return True if the request has been processed
     */
    function processedRequests(bytes32 _requestId) external view returns (bool);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.24;

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

/**
 * @title Meld Bridge Receiver interface
 * @notice Interface for interacting with the Meld Bridge Receiver contract
 * @author MELD team
 */
interface IMeldBridgeReceiver is IMeldBridgeBase {
    /**
     * @notice Event emitted when a user requests to bridge tokens
     * @param user Address of the user
     * @param token Address of the token
     * @param amount Amount of tokens to bridge
     */
    event BridgeRequested(address indexed user, address indexed token, uint256 amount);

    /**
     * @notice Event emitted when the wETH address is set
     * @param executedBy Address that executed the action
     * @param wETH Address of the wETH contract
     */
    event WETHAddressSet(address indexed executedBy, address indexed wETH);

    /**
     * @notice Event emitted when the Meld Farming Manager is deployed
     * @param executedBy Address that executed the action
     * @param meldFarmingManagerAddress Address of the Meld Farming Manager
     */
    event MeldFarmingManagerDeployed(
        address indexed executedBy,
        address indexed meldFarmingManagerAddress
    );

    /**
     * @notice Event emitted when a user requests to bridge ERC721 tokens
     * @param user Address of the user
     * @param token Address of the token
     * @param tokenId Token ID to bridge
     */
    event BridgeERC721Requested(address indexed user, address indexed token, uint256 tokenId);

    /**
     * @notice Event emitted when a user requests to bridge ERC1155 tokens
     * @param user Address of the user
     * @param token Address of the token
     * @param tokenId Token ID to bridge
     * @param amount Amount of tokens to bridge
     */
    event BridgeERC1155Requested(
        address indexed user,
        address indexed token,
        uint256 tokenId,
        uint256 amount
    );

    /**
     * @notice Event emitted when ERC20 tokens are withdrawn to a user
     * @param token Address of the token
     * @param to Address of the user
     * @param amount Amount of tokens withdrawn
     * @param requestID ID of the request
     */
    event WithdrawnToUser(
        address indexed token,
        address indexed to,
        uint256 amount,
        bytes32 indexed requestID
    );

    /**
     * @notice Event emitted when ERC721 tokens are withdrawn to a user
     * @param token Address of the token
     * @param to Address of the user
     * @param tokenId Token ID withdrawn
     * @param requestID ID of the request
     */
    event WithdrawnERC721ToUser(
        address indexed token,
        address indexed to,
        uint256 tokenId,
        bytes32 indexed requestID
    );

    /**
     * @notice Event emitted when ERC1155 tokens are withdrawn to a user
     * @param token Address of the token
     * @param to Address of the user
     * @param tokenId Token ID withdrawn
     * @param amount Amount of tokens withdrawn
     * @param requestID ID of the request
     */
    event WithdrawnERC1155ToUser(
        address indexed token,
        address indexed to,
        uint256 tokenId,
        uint256 amount,
        bytes32 indexed requestID
    );

    /**
     * @notice Function called to bridge ERC20 tokens
     * @param _token Address of the token
     * @param _amount Amount of tokens to bridge
     */
    function bridge(address _token, uint256 _amount) external;

    /**
     * @notice Function called to bridge native tokens
     * @dev This function is payable so the amount of tokens to bridge is the value sent with the transaction
     */
    function bridgeNative() external payable;

    /**
     * @notice Function called to bridge ERC721 tokens
     * @param _token Address of the token
     * @param _tokenId Token ID to bridge
     */
    function bridgeERC721(address _token, uint256 _tokenId) external;

    /**
     * @notice Function called to bridge ERC1155 tokens
     * @param _token Address of the token
     * @param _tokenId Token ID to bridge
     * @param _amount Amount of tokens to bridge
     */
    function bridgeERC1155(address _token, uint256 _tokenId, uint256 _amount) external;

    /**
     * @notice Function called to withdraw tokens to a user
     * @param _token Address of the token
     * @param _to Address of the user
     * @param _amount Amount of tokens to withdraw
     * @param _requestID ID of the request
     * @param _extra Additional data
     */
    function withdrawToUser(
        address _token,
        address _to,
        uint256 _amount,
        bytes32 _requestID,
        bytes calldata _extra
    ) external;

    /**
     * @notice Function called to withdraw ERC721 tokens to a user
     * @param _token Address of the token
     * @param _to Address of the user
     * @param _tokenId Token ID to withdraw
     * @param _requestID ID of the request
     */
    function withdrawERC721ToUser(
        address _token,
        address _to,
        uint256 _tokenId,
        bytes32 _requestID
    ) external;

    /**
     * @notice Function called to withdraw ERC1155 tokens to a user
     * @param _token Address of the token
     * @param _to Address of the user
     * @param _tokenId Token ID to withdraw
     * @param _amount Amount of tokens to withdraw
     * @param _requestID ID of the request
     */
    function withdrawERC1155ToUser(
        address _token,
        address _to,
        uint256 _tokenId,
        uint256 _amount,
        bytes32 _requestID
    ) external;

    /**
     * @notice Function called to withdraw tokens to multiple users
     * @param _token Address of the token
     * @param _to Addresses of the users
     * @param _amount Amounts of tokens to withdraw
     * @param _requestID IDs of the requests
     * @param _extra Additional data
     */
    function withdrawToUsers(
        address _token,
        address[] calldata _to,
        uint256[] calldata _amount,
        bytes32[] calldata _requestID,
        bytes[] calldata _extra
    ) external;

    /**
     * @notice Function called to withdraw ERC721 tokens to multiple users
     * @param _token Address of the token
     * @param _to Addresses of the users
     * @param _tokenId Token IDs to withdraw
     * @param _requestID IDs of the requests
     */
    function withdrawERC721ToUsers(
        address _token,
        address[] calldata _to,
        uint256[] calldata _tokenId,
        bytes32[] calldata _requestID
    ) external;

    /**
     * @notice Function called to withdraw ERC1155 tokens to multiple users
     * @param _token Address of the token
     * @param _to Addresses of the users
     * @param _tokenId Token IDs to withdraw
     * @param _amount Amounts of tokens to withdraw
     * @param _requestID IDs of the requests
     */
    function withdrawERC1155ToUsers(
        address _token,
        address[] calldata _to,
        uint256[] calldata _tokenId,
        uint256[] calldata _amount,
        bytes32[] calldata _requestID
    ) external;

    /**
     * @notice Returns the bytes32 identifier for the REBALANCER_ROLE
     */
    function REBALANCER_ROLE() external view returns (bytes32); // solhint-disable-line func-name-mixedcase

    /**
     * @notice Returns the address of the wETH contract
     */
    function wETHAddress() external view returns (address payable);

    /**
     * @notice Returns the address of the Meld Farming Manager
     */
    function getFarmingManagerAddress() external view returns (address);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.24;

import {IERC165} from "@openzeppelin/contracts/utils/introspection/IERC165.sol";

/**
 * @title Meld Farming interface
 * @notice Interface for the Meld Farming Manager contract as well as the adapters
 * @author MELD team
 */
interface IMeldFarming is IERC165 {
    /**
     * @notice Emitted when an asset is deposited
     * @param asset Address of the asset
     * @param amount Amount deposited
     */
    event Deposited(address indexed asset, uint256 amount);

    /**
     * @notice Emitted when an asset is withdrawn
     * @param asset Address of the asset
     * @param amount Amount withdrawn
     */
    event Withdrawn(address indexed asset, uint256 amount);

    /**
     * @notice Deposits funds into the Meld Farming Manager or the adapter
     * @param _asset Address of the asset to deposit
     * @param _amount Amount to deposit
     * @param _extra Extra data for the deposit
     */
    function deposit(address _asset, uint256 _amount, bytes calldata _extra) external;

    /**
     * @notice Withdraws funds from the Meld Farming Manager or the adapter
     * @param _asset Address of the asset to withdraw
     * @param _amount Amount to withdraw
     * @param _extra Extra data for the withdraw
     * @return Amount withdrawn
     */
    function withdraw(
        address _asset,
        uint256 _amount,
        bytes calldata _extra
    ) external returns (uint256);

    /**
     * @notice Claims rewards from the adapter
     * @param _asset Address of the asset to claim
     * @param _extra Extra data for the claim
     * @param _withdrawOnlyAvailable If true, only claims the rewards up to the available liquidity. If false and there's not enough liquidity, it reverts
     * @return Amount claimed
     */
    function claimRewards(
        address _asset,
        bytes calldata _extra,
        bool _withdrawOnlyAvailable
    ) external returns (uint256);

    /**
     * @notice Returns the total available liquidity for a given asset
     * @param _asset Address of the asset
     * @return Available liquidity
     */
    function getAvailableLiquidity(address _asset) external view returns (uint256);

    /**
     * @notice Returns the amount of rewards available for the `_asset`
     * @param _asset Address of the asset
     * @return Amount of rewards available
     */
    function getRewardsAmount(address _asset) external view returns (uint256);

    /**
     * @notice Returns the address of the Meld Farming Manager
     * @return Address of the Meld Farming Manager
     */
    function meldFarmingManager() external view returns (address);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.24;

import {IMeldFarming} from "./IMeldFarming.sol";
import {IMeldBridgeReceiver} from "./IMeldBridgeReceiver.sol";

/**
 * @title Meld Farming Manager interface
 * @notice Interface for the Meld Farming Manager contract
 * @dev This interface also includes the IMeldFarming interface
 * @author MELD team
 */
interface IMeldFarmingManager is IMeldFarming {
    struct AdapterConfig {
        string adapterIdStr;
        bool enabled;
        bool locked;
        bool exists;
    }

    struct YieldAssetAdapter {
        uint256 yieldDeposit;
        uint256 index;
        uint256 lastTimestampRewardsClaimed;
        bool exists;
    }

    struct YieldAssetConfig {
        uint256 liquidDeposit;
        mapping(uint256 index => address adapterAddress) adapterIndex;
        mapping(address adapterAddress => YieldAssetAdapter) adapters;
        uint256 numAdapters;
    }

    struct RebalancingInfo {
        address asset;
        address adapterAddress;
        uint256 amount;
        RebalanceAction action;
        bytes extra;
    }

    enum RebalanceAction {
        NONE,
        DEPOSIT,
        WITHDRAW,
        REQUEST_WITHDRAW
    }

    /**
     * @notice Emitted when the Meld Bridge Receiver contract is set
     * @param bridge Address of the Meld Bridge Receiver contract
     */
    event BridgeSet(address indexed executedBy, address bridge);

    /**
     * @notice Emitted when the treasury address is updated
     * @param executedBy Address that executed the function
     * @param oldTreasury Address of the old treasury
     * @param newTreasury Address of the new treasury
     */
    event TreasuryUpdated(
        address indexed executedBy,
        address indexed oldTreasury,
        address indexed newTreasury
    );

    /**
     * @notice Emitted when a new adapter is added
     * @param executedBy Address that executed the function
     * @param adapterIdStr String ID of the adapter
     * @param adapterAddress Address of the adapter
     * @param locked Boolean indicating if the adapter is locked
     */
    event AdapterAdded(
        address executedBy,
        string indexed adapterIdStr,
        address indexed adapterAddress,
        bool locked
    );

    /**
     * @notice Emitted when an adapter is enabled or disabled
     * @param executedBy Address that executed the function
     * @param adapterAddress Address of the adapter
     * @param enabled Boolean indicating if the adapter is enabled
     */
    event AdapterEnabled(address indexed executedBy, address indexed adapterAddress, bool enabled);

    /**
     * @notice Emitted when an asset is configured with adapters
     * @param executedBy Address that executed the function
     * @param asset Address of the asset
     * @param adapterAddresses Array of adapter addresses
     */
    event AssetConfigSet(
        address indexed executedBy,
        address indexed asset,
        address[] adapterAddresses
    );

    /**
     * @notice Emitted when rewards are claimed
     * @param executedBy Address that executed the function
     * @param asset Address of the asset
     * @param adapterAddress Address of the adapter
     * @param amount Amount claimed
     */
    event RewardsClaimed(
        address indexed executedBy,
        address indexed asset,
        address indexed adapterAddress,
        uint256 amount
    );

    /**
     * @notice Emitted when a rebalance is executed
     * @param executedBy Address that executed the function
     * @param asset Address of the asset
     * @param adapterAddress Address of the adapter
     * @param amount Amount rebalanced
     * @param action Rebalance action. 0: None, 1: Deposit, 2: Withdraw, 3: Request Withdraw
     */
    event Rebalanced(
        address executedBy,
        address indexed asset,
        address indexed adapterAddress,
        uint256 amount,
        RebalanceAction indexed action
    );

    /**
     * @notice Adds a new adapter to the Meld Farming Manager
     * @param _adapterId String ID of the adapter
     * @param _adapterAddress Address of the adapter
     * @param _locked Boolean indicating if the adapter is locked
     */
    function addAdapter(string memory _adapterId, address _adapterAddress, bool _locked) external;

    /**
     * @notice Enables or disables an adapter
     * @param _adapterAddress Address of the adapter
     * @param _enabled Boolean indicating if the adapter is enabled
     */
    function setAdapterEnabled(address _adapterAddress, bool _enabled) external;

    /**
     * @notice Configures an asset with adapters
     * @dev The list of adapters will be the new one, so any previous configuration will be overwritten
     * @dev To remove all adapters, pass an empty array
     * @dev It is needed to call this function even if no adapters will be used for the asset
     * @param _asset Address of the asset
     * @param _adaptersAddresses Array of adapter addresses
     */
    function configAsset(address _asset, address[] memory _adaptersAddresses) external;

    /**
     * @notice Sets the treasury address that will receive the rewards
     * @param _treasury Address of the treasury
     */
    function setTreasury(address _treasury) external;

    /**
     * @notice Moves funds between the adapters and the Meld Farming Manager
     * @param _rebalanceInfo Array of RebalancingInfo, indicating the asset, adapter, amount and action
     */
    function rebalance(RebalancingInfo[] calldata _rebalanceInfo) external;

    /**
     * @notice Returns the adapter address for a given index
     * @param _index Index of the adapter
     * @return Adapter address
     */
    function adapterAddresses(uint256 _index) external view returns (address);

    /**
     * @notice Returns the number of adapters
     * @return Number of adapters
     */
    function numAdapters() external view returns (uint256);

    /**
     * @notice Returns the Meld Bridge Receiver contract address
     * @return Meld Bridge Receiver contract address
     */
    function bridge() external view returns (IMeldBridgeReceiver);

    /**
     * @notice Returns the treasury address
     * @return Treasury address
     */
    function treasury() external view returns (address);

    /**
     * @notice Returns the adapter configuration for a given ID
     * @param _adapterAddress Address of the adapter
     * @return Adapter configuration
     */
    function getAdapter(address _adapterAddress) external view returns (AdapterConfig memory);

    /**
     * @notice Returns the adapter configuration for all adapters
     * @return Array of every Adapter configuration
     */
    function getAllAdapters() external view returns (AdapterConfig[] memory);

    /**
     * @notice Returns the asset configuration for a given asset
     * @param _asset Address of the asset
     * @return assetAdapterIds Array of the adapter IDs for each adapter
     * @return assetAdapterAddressess Array of the adapter addresses for each adapter
     * @return yieldDeposit Array of the yield deposit for each adapter
     * @return lastTimestampRewardsClaimed Array of the last timestamp rewards claimed for each adapter
     * @return liquidDeposit Liquid deposit for the asset
     * @return totalDeposit Total deposit for the asset
     * @return totalAvailableLiquidity Total available liquidity for the asset
     */
    function getYieldAssetConfig(
        address _asset
    )
        external
        view
        returns (
            string[] memory assetAdapterIds,
            address[] memory assetAdapterAddressess,
            uint256[] memory yieldDeposit,
            uint256[] memory lastTimestampRewardsClaimed,
            uint256 liquidDeposit,
            uint256 totalDeposit,
            uint256 totalAvailableLiquidity
        );

    /**
     * @notice Returns the total deposit for a given asset
     * @param _asset Address of the asset
     * @return Total deposit
     */
    function getTotalDeposit(address _asset) external view returns (uint256);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.24;

/**
 * @title Errors library
 * @notice Defines the error messages emitted by the different contracts of the Meld Bridge
 * @dev Error messages prefix glossary:
 * - MBP: Meld Bridge Panoptic
 * - MBR: Meld Bridge Receiver
 * - MFM: Meld Farming Manager
 * - BYA: Base Yield Adapter
 * @author MELD team
 */
library Errors {
    string public constant INVALID_ARRAY_LENGTH = "Invalid array length";
    string public constant TOKEN_NOT_SUPPORTED = "Token is not supported";
    string public constant REQUEST_ALREADY_PROCESSED = "Request already processed";
    string public constant INVALID_ADDRESS = "Invalid address";
    string public constant INVALID_AMOUNT = "Invalid amount";

    string public constant MBP_REQUEST_NOT_PROCESSED = "MeldBridgePanoptic: Request not processed";
    string public constant MBP_NETWORK_NOT_SUPPORTED =
        "MeldBridgePanoptic: Network is not supported for this token";
    string public constant MBP_INSUFFICIENT_FEE = "MeldBridgePanoptic: Insufficient fee";
    string public constant MBP_TRANSFERRING_FEE_FAILED =
        "MeldBridgePanoptic: Transferring fee failed";
    string public constant MBP_SIGNATURE_EXPIRED = "MeldBridgePanoptic: Signature is expired";

    string public constant MBR_ONLY_WETH_ALLOWED =
        "MeldBridgeReceiver: Only WETH can deposit ETH directly to the contract";
    string public constant MBR_NATIVE_NOT_SUPPORTED =
        "MeldBridgeReceiver: Native Token is not supported";
    string public constant MBR_NATIVE_WRAPPING_FAILED =
        "MeldBridgeReceiver: Native wrapping failed";
    string public constant MBR_NATIVE_TOKEN_NOT_WETH =
        "MeldBridgeReceiver: Native token withdraw is not WETH";

    string public constant MFM_ONLY_BRIDGE_ALLOWED =
        "MeldFarmingManager: Only bridge can call this function";
    string public constant MFM_ADAPTER_ALREADY_EXISTS =
        "MeldFarmingManager: Adapter already exists";
    string public constant MFM_ADAPTER_ADDRESS_ALREADY_EXISTS =
        "MeldFarmingManager: Adapter address already exists";
    string public constant MFM_ADAPTER_DOES_NOT_EXIST =
        "MeldFarmingManager: Adapter does not exist";
    string public constant MFM_ADAPTER_DISABLED = "MeldFarmingManager: Adapter is disabled";
    string public constant MFM_AMOUNT_MISMATCH = "MeldFarmingManager: Amount mismatch";
    string public constant MFM_NOT_ENOUGH_FUNDS = "MeldFarmingManager: Not enough funds";
    string public constant MFM_INVALID_ADAPTER_ID = "MeldFarmingManager: Invalid adapter ID";
    string public constant MFM_NO_ADAPTERS_CONFIGURED =
        "MeldFarmingManager: No adapters configured";
    string public constant MFM_INVALID_ADAPTER_MFM =
        "MeldFarmingManager: Invalid adapter MeldFarmingManager address";
    string public constant MFM_ADAPTER_IS_NOT_MELD_FARMING =
        "MeldFarmingManager: Adapter does not implement IMeldFarming";

    string public constant RT_NO_TOKENS_TO_RESCUE = "RescueTokens: No tokens to rescue";
    string public constant RT_RESCUER_NOT_OWNER =
        "RescueTokens: Contract is not the owner of the token";

    string public constant BYA_ONLY_FARMING_MANAGER_ALLOWED =
        "BaseYieldAdapter: Only MeldFarmingManager can call this function";

    string public constant AAVE_ADAPTER_INCONSISTENT_ATOKEN_BALANCE =
        "AaveAdapter: Inconsistent aToken balance";
    string public constant AAVE_ADAPTER_INVALID_WITHDRAWN_AMOUNT =
        "AaveAdapter: Invalid withdrawn amount";

    string public constant GOGOPOOL_ONLY_WAVAX_ALLOWED = "GoGoPoolAdapter: Only WAVAX is allowed";
    string public constant GOGOPOOL_AVAX_RECEIVED_OUTSIDE_WINDOW =
        "GoGoPoolAdapter: AVAX received outside window";
}

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

• No Contract Security Audit Submitted- Submit Audit Here

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IMeldBridgeReceiver","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_asset","type":"address"},{"internalType":"bytes","name":"_extra","type":"bytes"},{"internalType":"bool","name":"_withdrawOnlyAvailable","type":"bool"}],"name":"claimRewards","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_asset","type":"address"},{"internalType":"address[]","name":"_adaptersAddresses","type":"address[]"}],"name":"configAsset","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_asset","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"bytes","name":"","type":"bytes"}],"name":"deposit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_adapterAddress","type":"address"}],"name":"getAdapter","outputs":[{"components":[{"internalType":"string","name":"adapterIdStr","type":"string"},{"internalType":"bool","name":"enabled","type":"bool"},{"internalType":"bool","name":"locked","type":"bool"},{"internalType":"bool","name":"exists","type":"bool"}],"internalType":"struct IMeldFarmingManager.AdapterConfig","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getAllAdapters","outputs":[{"components":[{"internalType":"string","name":"adapterIdStr","type":"string"},{"internalType":"bool","name":"enabled","type":"bool"},{"internalType":"bool","name":"locked","type":"bool"},{"internalType":"bool","name":"exists","type":"bool"}],"internalType":"struct IMeldFarmingManager.AdapterConfig[]","name":"","type":"tuple[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_asset","type":"address"}],"name":"getAvailableLiquidity","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_asset","type":"address"}],"name":"getRewardsAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_asset","type":"address"}],"name":"getTotalDeposit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_asset","type":"address"}],"name":"getYieldAssetConfig","outputs":[{"internalType":"string[]","name":"assetAdapterIds","type":"string[]"},{"internalType":"address[]","name":"assetAdapterAddresses","type":"address[]"},{"internalType":"uint256[]","name":"yieldDeposit","type":"uint256[]"},{"internalType":"uint256[]","name":"lastTimestampRewardsClaimed","type":"uint256[]"},{"internalType":"uint256","name":"liquidDeposit","type":"uint256"},{"internalType":"uint256","name":"totalDeposit","type":"uint256"},{"internalType":"uint256","name":"totalAvailableLiquidity","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"meldFarmingManager","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"numAdapters","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"asset","type":"address"},{"internalType":"address","name":"adapterAddress","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"enum 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IMeldFarmingManager.RebalancingInfo[]","name":"_rebalanceInfo","type":"tuple[]"}],"name":"rebalance","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_adapterAddress","type":"address"},{"internalType":"bool","name":"_enabled","type":"bool"}],"name":"setAdapterEnabled","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_treasury","type":"address"}],"name":"setTreasury","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"_interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"treasury","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_asset","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"bytes","name":"_extra","type":"bytes"}],"name":"withdraw","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"}]

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000000000000000000000000c9ced87b7073297ceb12453c0d65329d496fc0b4000000000000000000000000303b3d643753b86f2045f08b1df0f910f42cb200

-----Decoded View---------------
Arg [0] : _bridge (address): 0xc9cED87b7073297cEB12453C0D65329D496fc0B4
Arg [1] : _treasury (address): 0x303b3D643753b86F2045F08b1dF0f910F42cB200

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 000000000000000000000000c9ced87b7073297ceb12453c0d65329d496fc0b4
Arg [1] : 000000000000000000000000303b3d643753b86f2045f08b1df0f910f42cb200