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// SPDX-License-Identifier: MIT
pragma solidity 0.8.20;

import { IERC20 } from '@openzeppelin/contracts/token/ERC20/IERC20.sol';
import { SafeERC20 } from '@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol';

import { BaseTRUFMessageBridge } from './BaseTRUFMessageBridge.sol';

contract TrufMessageBridgeLock is BaseTRUFMessageBridge {
    using SafeERC20 for IERC20;

    IERC20 public immutable TRUF_TOKEN;

    constructor(IERC20 trufToken, address router) BaseTRUFMessageBridge(router) {
        TRUF_TOKEN = trufToken;
    }

    function _takeTRUF(address from, uint256 amount) internal override {
        TRUF_TOKEN.safeTransferFrom(from, address(this), amount);
    }

    function _sendTRUF(address to, uint256 amount) internal override {
        TRUF_TOKEN.safeTransfer(to, amount);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.20;

/**
 * @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 value of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

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

    /**
     * @dev Moves a `value` amount of 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 value) 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 a `value` amount of tokens 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 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the
     * allowance mechanism. `value` 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 value) external returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.20;

import {IERC20} from "../IERC20.sol";
import {IERC20Permit} from "../extensions/IERC20Permit.sol";
import {Address} from "../../../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 An operation with an ERC20 token failed.
     */
    error SafeERC20FailedOperation(address token);

    /**
     * @dev Indicates a failed `decreaseAllowance` request.
     */
    error SafeERC20FailedDecreaseAllowance(address spender, uint256 currentAllowance, uint256 requestedDecrease);

    /**
     * @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.encodeCall(token.transfer, (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.encodeCall(token.transferFrom, (from, to, 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);
        forceApprove(token, spender, oldAllowance + value);
    }

    /**
     * @dev Decrease the calling contract's allowance toward `spender` by `requestedDecrease`. If `token` returns no
     * value, non-reverting calls are assumed to be successful.
     */
    function safeDecreaseAllowance(IERC20 token, address spender, uint256 requestedDecrease) internal {
        unchecked {
            uint256 currentAllowance = token.allowance(address(this), spender);
            if (currentAllowance < requestedDecrease) {
                revert SafeERC20FailedDecreaseAllowance(spender, currentAllowance, requestedDecrease);
            }
            forceApprove(token, spender, currentAllowance - requestedDecrease);
        }
    }

    /**
     * @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.encodeCall(token.approve, (spender, value));

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

    /**
     * @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);
        if (returndata.length != 0 && !abi.decode(returndata, (bool))) {
            revert SafeERC20FailedOperation(address(token));
        }
    }

    /**
     * @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(token).code.length > 0;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.20;

import { IRouterClient } from '@ccip/interfaces/IRouterClient.sol';
import { Client } from '@ccip/libraries/Client.sol';
import { CCIPReceiver } from '@ccip/applications/CCIPReceiver.sol';

import { Ownable } from '@openzeppelin/contracts/access/Ownable.sol';
import { IERC20 } from '@openzeppelin/contracts/token/ERC20/IERC20.sol';
import { SafeERC20 } from '@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol';

abstract contract BaseTRUFMessageBridge is Ownable, CCIPReceiver {
    using SafeERC20 for IERC20;

    enum Status {
        UNSET,
        DISABLED,
        ENABLED
    }

    error NotEnoughEthForFees();
    error NothingToWithdraw();
    error FailedToWithdrawEth();
    error InvalidMessageBridge();
    error Disabled();

    event TokensSent(
        bytes32 indexed messageId, // The unique ID of the CCIP message.
        uint64 indexed destinationChainSelector, // The chain selector of the destination chain.
        address bridge, // The address of the message bridge on the destination chain.
        address sender, // The sender of the tokens.
        address recipient, // The sender of the tokens.
        uint256 amount, // The token amount that was transferred.
        uint256 fees // The fees paid for sending the message.
    );

    event TokensReceived(
        bytes32 indexed messageId, // The unique ID of the CCIP message.
        uint64 indexed sourceChainSelector, // The chain selector of the source chain.
        address bridge, // The address of the message bridge from the source chain.
        address recipient, // The recipient of the tokens.
        uint256 amount // The token amount that was transferred.
    );

    mapping(uint64 => mapping(address => bool)) public isMessageBridge;

    Status public status;

    constructor(address router) Ownable(msg.sender) CCIPReceiver(router) {
        status = Status.ENABLED;
    }

    modifier verifyMessageBridge(uint64 chainSelector, address messageBridge) {
        if (isMessageBridge[chainSelector][messageBridge] == false) revert InvalidMessageBridge();
        _;
    }

    /// @notice Sends data and transfer tokens to recipient on the destination chain.
    /// @notice Pay for fees in native gas.
    /// @param destinationChainSelector The identifier (aka selector) for the destination blockchain.
    /// @param messageBridge The address of the messageBridge on the destination blockchain.
    /// @param recipient The address of the recipient on the destination blockchain.
    /// @param amount token amount.
    function sendMessagePayNative(
        uint64 destinationChainSelector,
        address messageBridge,
        address recipient,
        uint256 amount
    ) external payable verifyMessageBridge(destinationChainSelector, messageBridge) {
        if (status != Status.ENABLED) revert Disabled();
        Client.EVM2AnyMessage memory evm2AnyMessage = _buildCCIPMessage(messageBridge, abi.encode(recipient, amount));

        IRouterClient router = IRouterClient(getRouter());

        uint256 fees = router.getFee(destinationChainSelector, evm2AnyMessage);

        if (msg.value > fees) {
            (bool success, ) = msg.sender.call{ value: msg.value - fees }('');
            require(success);
        } else if (msg.value < fees) {
            revert NotEnoughEthForFees();
        }

        _takeTRUF(msg.sender, amount);

        emit TokensSent(
            router.ccipSend{ value: fees }(destinationChainSelector, evm2AnyMessage),
            destinationChainSelector,
            messageBridge,
            msg.sender,
            recipient,
            amount,
            fees
        );
    }

    /// @notice Sends data and transfer tokens to recipient on the destination chain.
    /// @notice Pay for fees in native gas.
    /// @param destinationChainSelector The identifier (aka selector) for the destination blockchain.
    /// @param messageBridge The address of the messageBridge on the destination blockchain.
    /// @param recipient The address of the recipient on the destination blockchain.
    /// @param amount token amount.
    function getFee(
        uint64 destinationChainSelector,
        address messageBridge,
        address recipient,
        uint256 amount
    ) external view verifyMessageBridge(destinationChainSelector, messageBridge) returns (uint256) {
        return
            IRouterClient(getRouter()).getFee(
                destinationChainSelector,
                _buildCCIPMessage(messageBridge, abi.encode(recipient, amount))
            );
    }

    /// @notice Allows the contract owner to withdraw the entire balance of Ether from the contract.
    /// @dev This function reverts if there are no funds to withdraw or if the transfer fails.
    /// It should only be callable by the owner of the contract.
    /// @param beneficiary The address to which the Ether should be sent.
    function withdrawEth(address beneficiary) public onlyOwner {
        uint256 amount = address(this).balance;
        if (amount == 0) revert NothingToWithdraw();

        (bool sent, ) = beneficiary.call{ value: amount }('');
        if (!sent) revert FailedToWithdrawEth();
    }

    /// @notice Allows the owner of the contract to withdraw all tokens of a specific ERC20 token.
    /// @param beneficiary The address to which the tokens will be sent.
    /// @param token The contract address of the ERC20 token to be withdrawn.
    function withdrawTokens(address beneficiary, address token) public onlyOwner {
        uint256 amount = IERC20(token).balanceOf(address(this));
        if (amount == 0) revert NothingToWithdraw();

        IERC20(token).safeTransfer(beneficiary, amount);
    }

    /// @notice Allows the owner of the contract to add/remove a message bridge.
    /// @param chainSelectors The chain selectors of the message bridges.
    /// @param setActive Whether or not the bridges should be set as active.
    function setMessageBridges(uint64[] calldata chainSelectors, address messageBridge, bool setActive) external onlyOwner {
        for (uint256 i = 0; i < chainSelectors.length; ) {
            isMessageBridge[chainSelectors[i]][messageBridge] = setActive;
            unchecked {
                ++i;
            }
        }
    }

    /// @notice Allows the owner of the contract to enable/disable the off-ramp.
    /// @param isEnabled True if should be set as enabled.
    function setMessageBridges(bool isEnabled) external onlyOwner {
        status = isEnabled ? Status.ENABLED : Status.DISABLED;
    }

    function _ccipReceive(
        Client.Any2EVMMessage memory message
    ) internal override verifyMessageBridge(message.sourceChainSelector, abi.decode(message.sender, (address))) {
        (address recipient, uint256 amount) = abi.decode(message.data, (address, uint256));

        _sendTRUF(recipient, amount);

        emit TokensReceived(
            message.messageId,
            message.sourceChainSelector,
            abi.decode(message.sender, (address)),
            recipient,
            amount
        );
    }

    /// @notice Construct a CCIP message.
    /// @dev This function will create an EVM2AnyMessage struct with all the necessary information for programmable tokens transfer.
    /// @param messageBridge The address of the messageBridge.
    /// @param data The data to be sent.
    /// @return Client.EVM2AnyMessage Returns an EVM2AnyMessage struct which contains information for sending a CCIP message.
    function _buildCCIPMessage(address messageBridge, bytes memory data) internal pure returns (Client.EVM2AnyMessage memory) {
        return
            Client.EVM2AnyMessage({
                receiver: abi.encode(messageBridge),
                data: data,
                tokenAmounts: new Client.EVMTokenAmount[](0),
                extraArgs: Client._argsToBytes(Client.EVMExtraArgsV1({ gasLimit: 140_000 })),
                feeToken: address(0)
            });
    }

    function _takeTRUF(address from, uint256 amount) internal virtual;

    function _sendTRUF(address to, uint256 amount) internal virtual;

    /// @notice Fallback function to allow the contract to receive Ether.
    receive() external payable {}
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/IERC20Permit.sol)

pragma solidity ^0.8.20;

/**
 * @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 v5.0.0) (utils/Address.sol)

pragma solidity ^0.8.20;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev The ETH balance of the account is not enough to perform the operation.
     */
    error AddressInsufficientBalance(address account);

    /**
     * @dev There's no code at `target` (it is not a contract).
     */
    error AddressEmptyCode(address target);

    /**
     * @dev A call to an address target failed. The target may have reverted.
     */
    error FailedInnerCall();

    /**
     * @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/v0.8.20/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        if (address(this).balance < amount) {
            revert AddressInsufficientBalance(address(this));
        }

        (bool success, ) = recipient.call{value: amount}("");
        if (!success) {
            revert FailedInnerCall();
        }
    }

    /**
     * @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 or custom error, it is bubbled
     * up by this function (like regular Solidity function calls). However, if
     * the call reverted with no returned reason, this function reverts with a
     * {FailedInnerCall} error.
     *
     * 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.
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0);
    }

    /**
     * @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`.
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
        if (address(this).balance < value) {
            revert AddressInsufficientBalance(address(this));
        }
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata);
    }

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

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

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and reverts if the target
     * was not a contract or bubbling up the revert reason (falling back to {FailedInnerCall}) in case of an
     * unsuccessful call.
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata
    ) internal view returns (bytes memory) {
        if (!success) {
            _revert(returndata);
        } else {
            // only check if target is a contract if the call was successful and the return data is empty
            // otherwise we already know that it was a contract
            if (returndata.length == 0 && target.code.length == 0) {
                revert AddressEmptyCode(target);
            }
            return returndata;
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and reverts if it wasn't, either by bubbling the
     * revert reason or with a default {FailedInnerCall} error.
     */
    function verifyCallResult(bool success, bytes memory returndata) internal pure returns (bytes memory) {
        if (!success) {
            _revert(returndata);
        } else {
            return returndata;
        }
    }

    /**
     * @dev Reverts with returndata if present. Otherwise reverts with {FailedInnerCall}.
     */
    function _revert(bytes memory returndata) 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 FailedInnerCall();
        }
    }
}

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

import {Client} from "../libraries/Client.sol";

interface IRouterClient {
  error UnsupportedDestinationChain(uint64 destChainSelector);
  error InsufficientFeeTokenAmount();
  error InvalidMsgValue();

  /// @notice Checks if the given chain ID is supported for sending/receiving.
  /// @param chainSelector The chain to check.
  /// @return supported is true if it is supported, false if not.
  function isChainSupported(uint64 chainSelector) external view returns (bool supported);

  /// @notice Gets a list of all supported tokens which can be sent or received
  /// to/from a given chain id.
  /// @param chainSelector The chainSelector.
  /// @return tokens The addresses of all tokens that are supported.
  function getSupportedTokens(uint64 chainSelector) external view returns (address[] memory tokens);

  /// @param destinationChainSelector The destination chainSelector
  /// @param message The cross-chain CCIP message including data and/or tokens
  /// @return fee returns execution fee for the message
  /// delivery to destination chain, denominated in the feeToken specified in the message.
  /// @dev Reverts with appropriate reason upon invalid message.
  function getFee(
    uint64 destinationChainSelector,
    Client.EVM2AnyMessage memory message
  ) external view returns (uint256 fee);

  /// @notice Request a message to be sent to the destination chain
  /// @param destinationChainSelector The destination chain ID
  /// @param message The cross-chain CCIP message including data and/or tokens
  /// @return messageId The message ID
  /// @dev Note if msg.value is larger than the required fee (from getFee) we accept
  /// the overpayment with no refund.
  /// @dev Reverts with appropriate reason upon invalid message.
  function ccipSend(
    uint64 destinationChainSelector,
    Client.EVM2AnyMessage calldata message
  ) external payable returns (bytes32);
}

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

// End consumer library.
library Client {
  /// @dev RMN depends on this struct, if changing, please notify the RMN maintainers.
  struct EVMTokenAmount {
    address token; // token address on the local chain.
    uint256 amount; // Amount of tokens.
  }

  struct Any2EVMMessage {
    bytes32 messageId; // MessageId corresponding to ccipSend on source.
    uint64 sourceChainSelector; // Source chain selector.
    bytes sender; // abi.decode(sender) if coming from an EVM chain.
    bytes data; // payload sent in original message.
    EVMTokenAmount[] destTokenAmounts; // Tokens and their amounts in their destination chain representation.
  }

  // If extraArgs is empty bytes, the default is 200k gas limit.
  struct EVM2AnyMessage {
    bytes receiver; // abi.encode(receiver address) for dest EVM chains
    bytes data; // Data payload
    EVMTokenAmount[] tokenAmounts; // Token transfers
    address feeToken; // Address of feeToken. address(0) means you will send msg.value.
    bytes extraArgs; // Populate this with _argsToBytes(EVMExtraArgsV1)
  }

  // bytes4(keccak256("CCIP EVMExtraArgsV1"));
  bytes4 public constant EVM_EXTRA_ARGS_V1_TAG = 0x97a657c9;
  struct EVMExtraArgsV1 {
    uint256 gasLimit;
  }

  function _argsToBytes(EVMExtraArgsV1 memory extraArgs) internal pure returns (bytes memory bts) {
    return abi.encodeWithSelector(EVM_EXTRA_ARGS_V1_TAG, extraArgs);
  }
}

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

import {IAny2EVMMessageReceiver} from "../interfaces/IAny2EVMMessageReceiver.sol";

import {Client} from "../libraries/Client.sol";

import {IERC165} from "../../vendor/openzeppelin-solidity/v4.8.3/contracts/utils/introspection/IERC165.sol";

/// @title CCIPReceiver - Base contract for CCIP applications that can receive messages.
abstract contract CCIPReceiver is IAny2EVMMessageReceiver, IERC165 {
  address internal immutable i_ccipRouter;

  constructor(address router) {
    if (router == address(0)) revert InvalidRouter(address(0));
    i_ccipRouter = router;
  }

  /// @notice IERC165 supports an interfaceId
  /// @param interfaceId The interfaceId to check
  /// @return true if the interfaceId is supported
  /// @dev Should indicate whether the contract implements IAny2EVMMessageReceiver
  /// e.g. return interfaceId == type(IAny2EVMMessageReceiver).interfaceId || interfaceId == type(IERC165).interfaceId
  /// This allows CCIP to check if ccipReceive is available before calling it.
  /// If this returns false or reverts, only tokens are transferred to the receiver.
  /// If this returns true, tokens are transferred and ccipReceive is called atomically.
  /// Additionally, if the receiver address does not have code associated with
  /// it at the time of execution (EXTCODESIZE returns 0), only tokens will be transferred.
  function supportsInterface(bytes4 interfaceId) public pure virtual override returns (bool) {
    return interfaceId == type(IAny2EVMMessageReceiver).interfaceId || interfaceId == type(IERC165).interfaceId;
  }

  /// @inheritdoc IAny2EVMMessageReceiver
  function ccipReceive(Client.Any2EVMMessage calldata message) external virtual override onlyRouter {
    _ccipReceive(message);
  }

  /// @notice Override this function in your implementation.
  /// @param message Any2EVMMessage
  function _ccipReceive(Client.Any2EVMMessage memory message) internal virtual;

  /////////////////////////////////////////////////////////////////////
  // Plumbing
  /////////////////////////////////////////////////////////////////////

  /// @notice Return the current router
  /// @return CCIP router address
  function getRouter() public view returns (address) {
    return address(i_ccipRouter);
  }

  error InvalidRouter(address router);

  /// @dev only calls from the set router are accepted.
  modifier onlyRouter() {
    if (msg.sender != address(i_ccipRouter)) revert InvalidRouter(msg.sender);
    _;
  }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)

pragma solidity ^0.8.20;

import {Context} from "../utils/Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * The initial owner is set to the address provided by the deployer. This can
 * later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    /**
     * @dev The caller account is not authorized to perform an operation.
     */
    error OwnableUnauthorizedAccount(address account);

    /**
     * @dev The owner is not a valid owner account. (eg. `address(0)`)
     */
    error OwnableInvalidOwner(address owner);

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.
     */
    constructor(address initialOwner) {
        if (initialOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(initialOwner);
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        if (owner() != _msgSender()) {
            revert OwnableUnauthorizedAccount(_msgSender());
        }
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        if (newOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

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

import {Client} from "../libraries/Client.sol";

/// @notice Application contracts that intend to receive messages from
/// the router should implement this interface.
interface IAny2EVMMessageReceiver {
  /// @notice Called by the Router to deliver a message.
  /// If this reverts, any token transfers also revert. The message
  /// will move to a FAILED state and become available for manual execution.
  /// @param message CCIP Message
  /// @dev Note ensure you check the msg.sender is the OffRampRouter
  function ccipReceive(Client.Any2EVMMessage calldata message) external;
}

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

pragma solidity ^0.8.0;

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)

pragma solidity ^0.8.20;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }

    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }
}

{
  "remappings": [
    "@openzeppelin/contracts/=lib/openzeppelin-contracts_v5.0.2/contracts/",
    "@openzeppelin_v4.8.0/contracts/=lib/openzeppelin-contracts_v4.8.0/contracts/",
    "@openzeppelin_v4.9.0/contracts/=lib/openzeppelin-contracts_v4.9.0/contracts/",
    "@ccip/=lib/ccip_v2.9.1-ccip1.4.8-release/contracts/src/v0.8/ccip/",
    "ccip_v2.9.1-ccip1.4.8-release/=lib/ccip_v2.9.1-ccip1.4.8-release/contracts/",
    "ds-test/=lib/openzeppelin-contracts_v4.9.0/lib/forge-std/lib/ds-test/src/",
    "erc4626-tests/=lib/openzeppelin-contracts_v4.9.0/lib/erc4626-tests/",
    "forge-std/=lib/forge-std/src/",
    "openzeppelin-contracts_v4.8.0/=lib/openzeppelin-contracts_v4.8.0/",
    "openzeppelin-contracts_v4.9.0/=lib/openzeppelin-contracts_v4.9.0/",
    "openzeppelin-contracts_v5.0.2/=lib/openzeppelin-contracts_v5.0.2/",
    "openzeppelin/=lib/openzeppelin-contracts_v4.9.0/contracts/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "paris",
  "viaIR": false,
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

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IERC20","name":"trufToken","type":"address"},{"internalType":"address","name":"router","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"target","type":"address"}],"name":"AddressEmptyCode","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"AddressInsufficientBalance","type":"error"},{"inputs":[],"name":"Disabled","type":"error"},{"inputs":[],"name":"FailedInnerCall","type":"error"},{"inputs":[],"name":"FailedToWithdrawEth","type":"error"},{"inputs":[],"name":"InvalidMessageBridge","type":"error"},{"inputs":[{"internalType":"address","name":"router","type":"address"}],"name":"InvalidRouter","type":"error"},{"inputs":[],"name":"NotEnoughEthForFees","type":"error"},{"inputs":[],"name":"NothingToWithdraw","type":"error"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"OwnableInvalidOwner","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"OwnableUnauthorizedAccount","type":"error"},{"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"SafeERC20FailedOperation","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"messageId","type":"bytes32"},{"indexed":true,"internalType":"uint64","name":"sourceChainSelector","type":"uint64"},{"indexed":false,"internalType":"address","name":"bridge","type":"address"},{"indexed":false,"internalType":"address","name":"recipient","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"TokensReceived","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"messageId","type":"bytes32"},{"indexed":true,"internalType":"uint64","name":"destinationChainSelector","type":"uint64"},{"indexed":false,"internalType":"address","name":"bridge","type":"address"},{"indexed":false,"internalType":"address","name":"sender","type":"address"},{"indexed":false,"internalType":"address","name":"recipient","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"fees","type":"uint256"}],"name":"TokensSent","type":"event"},{"inputs":[],"name":"TRUF_TOKEN","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"bytes32","name":"messageId","type":"bytes32"},{"internalType":"uint64","name":"sourceChainSelector","type":"uint64"},{"internalType":"bytes","name":"sender","type":"bytes"},{"internalType":"bytes","name":"data","type":"bytes"},{"components":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"internalType":"struct Client.EVMTokenAmount[]","name":"destTokenAmounts","type":"tuple[]"}],"internalType":"struct Client.Any2EVMMessage","name":"message","type":"tuple"}],"name":"ccipReceive","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint64","name":"destinationChainSelector","type":"uint64"},{"internalType":"address","name":"messageBridge","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"getFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getRouter","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint64","name":"","type":"uint64"},{"internalType":"address","name":"","type":"address"}],"name":"isMessageBridge","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint64","name":"destinationChainSelector","type":"uint64"},{"internalType":"address","name":"messageBridge","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"sendMessagePayNative","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"bool","name":"isEnabled","type":"bool"}],"name":"setMessageBridges","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint64[]","name":"chainSelectors","type":"uint64[]"},{"internalType":"address","name":"messageBridge","type":"address"},{"internalType":"bool","name":"setActive","type":"bool"}],"name":"setMessageBridges","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"status","outputs":[{"internalType":"enum BaseTRUFMessageBridge.Status","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"beneficiary","type":"address"}],"name":"withdrawEth","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"beneficiary","type":"address"},{"internalType":"address","name":"token","type":"address"}],"name":"withdrawTokens","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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000000000000000000000000243c9be13faba09f945ccc565547293337da0ad700000000000000000000000080226fc0ee2b096224eeac085bb9a8cba1146f7d

-----Decoded View---------------
Arg [0] : trufToken (address): 0x243c9be13fAbA09F945ccc565547293337Da0Ad7
Arg [1] : router (address): 0x80226fc0Ee2b096224EeAc085Bb9a8cba1146f7D

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 000000000000000000000000243c9be13faba09f945ccc565547293337da0ad7
Arg [1] : 00000000000000000000000080226fc0ee2b096224eeac085bb9a8cba1146f7d