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0x36d4686e19c052787D7f24E6913cEbC025714895
 

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Send OFTV2868789922025-10-31 5:24:56134 days ago1761888296IN
0x36d4686e...025714895
0.42913598 MNT0.014229110.0201
Send OFT Fee V2865965422025-10-24 16:29:56141 days ago1761323396IN
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0.41855187 MNT0.017173460.026879
Send OFT Fee V2860698562025-10-12 11:53:44153 days ago1760270024IN
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0.42825498 MNT0.011252530.02
Send OFT Fee V2860600572025-10-12 6:27:06153 days ago1760250426IN
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0.46452563 MNT0.02467650.04
Send OFT Fee V2860022902025-10-10 22:21:32154 days ago1760134892IN
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3.86517929 MNT0.029451230.0226125
Send OFT Fee V2860008772025-10-10 21:34:26154 days ago1760132066IN
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6.80814197 MNT0.067061240.0226125
Send OFT Fee V2856773342025-10-03 9:49:40162 days ago1759484980IN
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0.32806748 MNT0.011930350.0201
Send OFT Fee V2853299282025-09-25 8:49:28170 days ago1758790168IN
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0.37245141 MNT0.012926440.02
Send OFT Fee V2852834862025-09-24 7:01:24171 days ago1758697284IN
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0.37119526 MNT0.013543120.02261
Send OFT Fee V2851953292025-09-22 6:02:50173 days ago1758520970IN
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0.41703643 MNT0.016635950.0226125
Send OFT Fee V2847696372025-09-12 9:33:06183 days ago1757669586IN
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0.40822025 MNT0.018717280.0243612
Send OFT Fee V2846904212025-09-10 13:32:34185 days ago1757511154IN
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0.78048065 MNT0.017846810.0226125
Send OFT Fee V2845606512025-09-07 13:26:54188 days ago1757251614IN
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0.56305778 MNT0.019660810.020301
Send OFT Fee V2845606282025-09-07 13:26:08188 days ago1757251568IN
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0.56305778 MNT0.003340290.020301
Send OFT Fee V2845606262025-09-07 13:26:04188 days ago1757251564IN
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0.58253555 MNT0.019664050.020301
Send OFT Fee V2840753362025-08-27 7:49:44199 days ago1756280984IN
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0.5659736 MNT0.020978990.0201
Send OFT Fee V2834951522025-08-13 21:30:16212 days ago1755120616IN
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0.62213181 MNT0.032989060.03
Send OFT Fee V2833575932025-08-10 17:04:58215 days ago1754845498IN
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0.69828502 MNT0.034985150.03
Send OFT Fee V2830910722025-08-04 13:00:56222 days ago1754312456IN
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0.87064043 MNT0.026499330.02
Send OFTV2828923942025-07-30 22:38:20226 days ago1753915100IN
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0.16260737 MNT0.041414190.03
Send OFT Fee V2827318252025-07-27 5:26:02230 days ago1753593962IN
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1.52212623 MNT0.049833630.04
Send OFT Fee V2824828332025-07-21 11:06:18236 days ago1753095978IN
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1.56189292 MNT0.025245020.02
Send OFT Fee V2824262482025-07-20 3:40:08237 days ago1752982808IN
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0.77721347 MNT0.02452170.02
Send OFT Fee V2822871412025-07-16 22:23:14240 days ago1752704594IN
0x36d4686e...025714895
0.84293709 MNT0.024708880.02
Send OFT Fee V2818703732025-07-07 6:50:58250 days ago1751871058IN
0x36d4686e...025714895
1.14158939 MNT0.048198230.04
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868789922025-10-31 5:24:56134 days ago1761888296
0x36d4686e...025714895
0.42913598 MNT
865965422025-10-24 16:29:56141 days ago1761323396
0x36d4686e...025714895
0.41855187 MNT
860698562025-10-12 11:53:44153 days ago1760270024
0x36d4686e...025714895
0.42825498 MNT
860600572025-10-12 6:27:06153 days ago1760250426
0x36d4686e...025714895
0.46452563 MNT
860022902025-10-10 22:21:32154 days ago1760134892
0x36d4686e...025714895
3.86517929 MNT
860008772025-10-10 21:34:26154 days ago1760132066
0x36d4686e...025714895
6.80814197 MNT
856773342025-10-03 9:49:40162 days ago1759484980
0x36d4686e...025714895
0.32806748 MNT
853299282025-09-25 8:49:28170 days ago1758790168
0x36d4686e...025714895
0.37245141 MNT
852834862025-09-24 7:01:24171 days ago1758697284
0x36d4686e...025714895
0.37119526 MNT
851953292025-09-22 6:02:50173 days ago1758520970
0x36d4686e...025714895
0.41703643 MNT
847696372025-09-12 9:33:06183 days ago1757669586
0x36d4686e...025714895
0.40822025 MNT
846904212025-09-10 13:32:34185 days ago1757511154
0x36d4686e...025714895
0.78048065 MNT
845606512025-09-07 13:26:54188 days ago1757251614
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0.56305778 MNT
845606262025-09-07 13:26:04188 days ago1757251564
0x36d4686e...025714895
0.58253555 MNT
840753362025-08-27 7:49:44199 days ago1756280984
0x36d4686e...025714895
0.5659736 MNT
834951522025-08-13 21:30:16212 days ago1755120616
0x36d4686e...025714895
0.62213181 MNT
833575932025-08-10 17:04:58215 days ago1754845498
0x36d4686e...025714895
0.69828502 MNT
830910722025-08-04 13:00:56222 days ago1754312456
0x36d4686e...025714895
0.87064043 MNT
828923942025-07-30 22:38:20226 days ago1753915100
0x36d4686e...025714895
0.16260737 MNT
827318252025-07-27 5:26:02230 days ago1753593962
0x36d4686e...025714895
1.52212623 MNT
824828332025-07-21 11:06:18236 days ago1753095978
0x36d4686e...025714895
1.56189292 MNT
824262482025-07-20 3:40:08237 days ago1752982808
0x36d4686e...025714895
0.77721347 MNT
822871412025-07-16 22:23:14240 days ago1752704594
0x36d4686e...025714895
0.84293709 MNT
818703732025-07-07 6:50:58250 days ago1751871058
0x36d4686e...025714895
1.14158939 MNT
814530452025-06-27 15:00:02260 days ago1751036402
0x36d4686e...025714895
1.13447958 MNT
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Contract Source Code Verified (Exact Match)

Contract Name:
OFTWrapper

Compiler Version
v0.8.8+commit.dddeac2f

Optimization Enabled:
No with 200 runs

Other Settings:
default evmVersion
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "@layerzerolabs/solidity-examples/contracts/token/oft/v2/IOFTV2.sol";
import "@layerzerolabs/solidity-examples/contracts/token/oft/v2/fee/IOFTWithFee.sol";
import "@layerzerolabs/solidity-examples/contracts/token/oft/IOFT.sol";
import "./interfaces/IOFTWrapper.sol";
import "./interfaces/INativeOFT.sol";

contract OFTWrapper is IOFTWrapper, Ownable, ReentrancyGuard {
    using SafeERC20 for IOFT;

    uint256 public constant BPS_DENOMINATOR = 10000;
    uint256 public constant MAX_UINT = 2**256 - 1; // indicates a bp fee of 0 that overrides the default bps

    uint256 public defaultBps;
    mapping(address => uint256) public oftBps;

    constructor(uint256 _defaultBps) {
        require(_defaultBps < BPS_DENOMINATOR, "OFTWrapper: defaultBps >= 100%");
        defaultBps = _defaultBps;
    }

    function setDefaultBps(uint256 _defaultBps) external onlyOwner {
        require(_defaultBps < BPS_DENOMINATOR, "OFTWrapper: defaultBps >= 100%");
        defaultBps = _defaultBps;
    }

    function setOFTBps(address _token, uint256 _bps) external onlyOwner {
        require(_bps < BPS_DENOMINATOR || _bps == MAX_UINT, "OFTWrapper: oftBps[_oft] >= 100%");
        oftBps[_token] = _bps;
    }

    function withdrawFees(
        address _oft,
        address _to,
        uint256 _amount
    ) external onlyOwner {
        IOFT(_oft).safeTransfer(_to, _amount);
        emit WrapperFeeWithdrawn(_oft, _to, _amount);
    }

    function sendOFT(
        address _oft,
        uint16 _dstChainId,
        bytes calldata _toAddress,
        uint256 _amount,
        uint256 _minAmount,
        address payable _refundAddress,
        address _zroPaymentAddress,
        bytes calldata _adapterParams,
        FeeObj calldata _feeObj
    ) external payable nonReentrant {
        uint256 amountToSwap = _getAmountAndPayFee(_oft, _amount, _minAmount, _feeObj);
        IOFT(_oft).sendFrom{value: msg.value}(msg.sender, _dstChainId, _toAddress, amountToSwap, _refundAddress, _zroPaymentAddress, _adapterParams);
    }

    function sendProxyOFT(
        address _proxyOft,
        uint16 _dstChainId,
        bytes calldata _toAddress,
        uint256 _amount,
        uint256 _minAmount,
        address payable _refundAddress,
        address _zroPaymentAddress,
        bytes calldata _adapterParams,
        FeeObj calldata _feeObj
    ) external payable nonReentrant {
        address token = IOFTV2(_proxyOft).token();
        {
            uint256 amountToSwap = _getAmountAndPayFeeProxy(token, _amount, _minAmount, _feeObj);

            // approve proxy to spend tokens
            IOFT(token).safeApprove(_proxyOft, amountToSwap);
            IOFT(_proxyOft).sendFrom{value: msg.value}(address(this), _dstChainId, _toAddress, amountToSwap, _refundAddress, _zroPaymentAddress, _adapterParams);
        }

        // reset allowance if sendFrom() does not consume full amount
        if (IOFT(token).allowance(address(this), _proxyOft) > 0) IOFT(token).safeApprove(_proxyOft, 0);
    }

    function sendNativeOFT(
        address _nativeOft,
        uint16 _dstChainId,
        bytes calldata _toAddress,
        uint _amount,
        uint256 _minAmount,
        address payable _refundAddress,
        address _zroPaymentAddress,
        bytes calldata _adapterParams,
        FeeObj calldata _feeObj
    ) external payable nonReentrant {
        require(msg.value >= _amount, "OFTWrapper: not enough value sent");

        INativeOFT(_nativeOft).deposit{value: _amount}();
        uint256 amountToSwap = _getAmountAndPayFeeNative(_nativeOft, _amount, _minAmount, _feeObj);
        IOFT(_nativeOft).sendFrom{value: msg.value - _amount}(address(this), _dstChainId, _toAddress, amountToSwap, _refundAddress, _zroPaymentAddress, _adapterParams);
    }

    function sendOFTV2(
        address _oft,
        uint16 _dstChainId,
        bytes32 _toAddress,
        uint256 _amount,
        uint256 _minAmount,
        IOFTV2.LzCallParams calldata _callParams,
        FeeObj calldata _feeObj
    ) external payable nonReentrant {
        uint256 amountToSwap = _getAmountAndPayFee(_oft, _amount, _minAmount, _feeObj);
        IOFTV2(_oft).sendFrom{value: msg.value}(msg.sender, _dstChainId, _toAddress, amountToSwap, _callParams);
    }

    function sendOFTFeeV2(
        address _oft,
        uint16 _dstChainId,
        bytes32 _toAddress,
        uint256 _amount,
        uint256 _minAmount,
        IOFTV2.LzCallParams calldata _callParams,
        FeeObj calldata _feeObj
    ) external payable nonReentrant {
        uint256 amountToSwap = _getAmountAndPayFee(_oft, _amount, _minAmount, _feeObj);
        IOFTWithFee(_oft).sendFrom{value: msg.value}(msg.sender, _dstChainId, _toAddress, amountToSwap, _minAmount, _callParams);
    }

    function sendProxyOFTV2(
        address _proxyOft,
        uint16 _dstChainId,
        bytes32 _toAddress,
        uint256 _amount,
        uint256 _minAmount,
        IOFTV2.LzCallParams calldata _callParams,
        FeeObj calldata _feeObj
    ) external payable nonReentrant {
        address token = IOFTV2(_proxyOft).token();
        uint256 amountToSwap = _getAmountAndPayFeeProxy(token, _amount, _minAmount, _feeObj);

        // approve proxy to spend tokens
        IOFT(token).safeApprove(_proxyOft, amountToSwap);
        IOFTV2(_proxyOft).sendFrom{value: msg.value}(address(this), _dstChainId, _toAddress, amountToSwap, _callParams);

        // reset allowance if sendFrom() does not consume full amount
        if (IOFT(token).allowance(address(this), _proxyOft) > 0) IOFT(token).safeApprove(_proxyOft, 0);
    }

    function sendProxyOFTFeeV2(
        address _proxyOft,
        uint16 _dstChainId,
        bytes32 _toAddress,
        uint256 _amount,
        uint256 _minAmount,
        IOFTV2.LzCallParams calldata _callParams,
        FeeObj calldata _feeObj
    ) external payable nonReentrant {
        address token = IOFTV2(_proxyOft).token();
        uint256 amountToSwap = _getAmountAndPayFeeProxy(token, _amount, _minAmount, _feeObj);

        // approve proxy to spend tokens
        IOFT(token).safeApprove(_proxyOft, amountToSwap);
        IOFTWithFee(_proxyOft).sendFrom{value: msg.value}(address(this), _dstChainId, _toAddress, amountToSwap, _minAmount, _callParams);

        // reset allowance if sendFrom() does not consume full amount
        if (IOFT(token).allowance(address(this), _proxyOft) > 0) IOFT(token).safeApprove(_proxyOft, 0);
    }

    function sendNativeOFTFeeV2(
        address _nativeOft,
        uint16 _dstChainId,
        bytes32 _toAddress,
        uint _amount,
        uint256 _minAmount,
        IOFTV2.LzCallParams calldata _callParams,
        FeeObj calldata _feeObj
    ) external payable nonReentrant {
        require(msg.value >= _amount, "OFTWrapper: not enough value sent");

        INativeOFT(_nativeOft).deposit{value: _amount}();
        uint256 amountToSwap = _getAmountAndPayFeeNative(_nativeOft, _amount, _minAmount, _feeObj);
        IOFTWithFee(_nativeOft).sendFrom{value: msg.value - _amount}(address(this), _dstChainId, _toAddress, amountToSwap, _minAmount, _callParams);
    }

    function _getAmountAndPayFeeProxy(
        address _token,
        uint256 _amount,
        uint256 _minAmount,
        FeeObj calldata _feeObj
    ) internal returns (uint256) {
        (uint256 amountToSwap, uint256 wrapperFee, uint256 callerFee) = getAmountAndFees(_token, _amount, _feeObj.callerBps);
        require(amountToSwap >= _minAmount && amountToSwap > 0, "OFTWrapper: not enough amountToSwap");

        IOFT(_token).safeTransferFrom(msg.sender, address(this), amountToSwap + wrapperFee); // pay wrapper and move proxy tokens to contract
        if (callerFee > 0) IOFT(_token).safeTransferFrom(msg.sender, _feeObj.caller, callerFee); // pay caller

        emit WrapperFees(_feeObj.partnerId, _token, wrapperFee, callerFee);

        return amountToSwap;
    }

    function _getAmountAndPayFee(address _token, uint256 _amount, uint256 _minAmount, FeeObj calldata _feeObj) internal returns (uint256) {
        (uint256 amountToSwap, uint256 wrapperFee, uint256 callerFee) = getAmountAndFees(_token, _amount, _feeObj.callerBps);
        require(amountToSwap >= _minAmount && amountToSwap > 0, "OFTWrapper: not enough amountToSwap");

        if (wrapperFee > 0) IOFT(_token).safeTransferFrom(msg.sender, address(this), wrapperFee); // pay wrapper
        if (callerFee > 0) IOFT(_token).safeTransferFrom(msg.sender, _feeObj.caller, callerFee); // pay caller

        emit WrapperFees(_feeObj.partnerId, _token, wrapperFee, callerFee);

        return amountToSwap;
    }

    function _getAmountAndPayFeeNative(
        address _nativeOft,
        uint256 _amount,
        uint256 _minAmount,
        FeeObj calldata _feeObj
    ) internal returns (uint256) {
        (uint256 amountToSwap, uint256 wrapperFee, uint256 callerFee) = getAmountAndFees(_nativeOft, _amount, _feeObj.callerBps);
        require(amountToSwap >= _minAmount && amountToSwap > 0, "OFTWrapper: not enough amountToSwap");

        // pay fee in NativeOFT token as the caller might not be able to receive ETH
        // wrapper fee is already in the contract after calling NativeOFT.deposit()
        if (callerFee > 0) IOFT(_nativeOft).safeTransfer(_feeObj.caller, callerFee); // pay caller

        emit WrapperFees(_feeObj.partnerId, _nativeOft, wrapperFee, callerFee);

        return amountToSwap;
    }

    function getAmountAndFees(
        address _token, // will be the token on proxies, and the oft on non-proxy
        uint256 _amount,
        uint256 _callerBps
    )
        public
        view
        override
        returns (
            uint256 amount,
            uint256 wrapperFee,
            uint256 callerFee
        )
    {
        uint256 wrapperBps;

        if (oftBps[_token] == MAX_UINT) {
            wrapperBps = 0;
        } else if (oftBps[_token] > 0) {
            wrapperBps = oftBps[_token];
        } else {
            wrapperBps = defaultBps;
        }

        require(wrapperBps + _callerBps < BPS_DENOMINATOR, "OFTWrapper: Fee bps >= 100%");

        wrapperFee = wrapperBps > 0 ? (_amount * wrapperBps) / BPS_DENOMINATOR : 0;
        callerFee = _callerBps > 0 ? (_amount * _callerBps) / BPS_DENOMINATOR : 0;
        amount = wrapperFee > 0 || callerFee > 0 ? _amount - wrapperFee - callerFee : _amount;
    }

    function estimateSendFee(
        address _oft,
        uint16 _dstChainId,
        bytes calldata _toAddress,
        uint256 _amount,
        bool _useZro,
        bytes calldata _adapterParams,
        FeeObj calldata _feeObj
    ) external view override returns (uint nativeFee, uint zroFee) {
        (uint256 amount, , ) = getAmountAndFees(_oft, _amount, _feeObj.callerBps);

        return IOFT(_oft).estimateSendFee(_dstChainId, _toAddress, amount, _useZro, _adapterParams);
    }

    function estimateSendFeeV2(
        address _oft,
        uint16 _dstChainId,
        bytes32 _toAddress,
        uint256 _amount,
        bool _useZro,
        bytes calldata _adapterParams,
        FeeObj calldata _feeObj
    ) external view override returns (uint nativeFee, uint zroFee) {
        (uint256 amount, , ) = getAmountAndFees(_oft, _amount, _feeObj.callerBps);

        return IOFTV2(_oft).estimateSendFee(_dstChainId, _toAddress, amount, _useZro, _adapterParams);
    }
}

File 2 of 16 : IOFT.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.5.0;

import "./IOFTCore.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";

/**
 * @dev Interface of the OFT standard
 */
interface IOFT is IOFTCore, IERC20 {

}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "@layerzerolabs/solidity-examples/contracts/token/oft/v2/IOFTV2.sol";

interface IOFTWrapper {
    event WrapperFees(bytes2 indexed partnerId, address token, uint256 wrapperFee, uint256 callerFee);
    event WrapperFeeWithdrawn(address indexed oft, address to, uint256 amount);

    struct FeeObj {
        uint256 callerBps;
        address caller;
        bytes2 partnerId;
    }

    function sendOFT(
        address _oft,
        uint16 _dstChainId,
        bytes calldata _toAddress,
        uint _amount,
        uint256 _minAmount,
        address payable _refundAddress,
        address _zroPaymentAddress,
        bytes calldata _adapterParams,
        FeeObj calldata _feeObj
    ) external payable;

    function sendProxyOFT(
        address _proxyOft,
        uint16 _dstChainId,
        bytes calldata _toAddress,
        uint256 _amount,
        uint256 _minAmount,
        address payable _refundAddress,
        address _zroPaymentAddress,
        bytes calldata _adapterParams,
        FeeObj calldata _feeObj
    ) external payable;

    function sendNativeOFT(
        address _nativeOft,
        uint16 _dstChainId,
        bytes calldata _toAddress,
        uint _amount,
        uint256 _minAmount,
        address payable _refundAddress,
        address _zroPaymentAddress,
        bytes calldata _adapterParams,
        FeeObj calldata _feeObj
    ) external payable;

    function sendOFTV2(
        address _oft,
        uint16 _dstChainId,
        bytes32 _toAddress,
        uint _amount,
        uint256 _minAmount,
        IOFTV2.LzCallParams calldata _callParams,
        FeeObj calldata _feeObj
    ) external payable;

    function sendOFTFeeV2(
        address _oft,
        uint16 _dstChainId,
        bytes32 _toAddress,
        uint256 _amount,
        uint256 _minAmount,
        IOFTV2.LzCallParams calldata _callParams,
        FeeObj calldata _feeObj
    ) external payable;

    function sendProxyOFTV2(
        address _proxyOft,
        uint16 _dstChainId,
        bytes32 _toAddress,
        uint _amount,
        uint256 _minAmount,
        IOFTV2.LzCallParams calldata _callParams,
        FeeObj calldata _feeObj
    ) external payable;

    function sendProxyOFTFeeV2(
        address _proxyOft,
        uint16 _dstChainId,
        bytes32 _toAddress,
        uint _amount,
        uint256 _minAmount,
        IOFTV2.LzCallParams calldata _callParams,
        FeeObj calldata _feeObj
    ) external payable;

    function sendNativeOFTFeeV2(
        address _nativeOft,
        uint16 _dstChainId,
        bytes32 _toAddress,
        uint _amount,
        uint256 _minAmount,
        IOFTV2.LzCallParams calldata _callParams,
        FeeObj calldata _feeObj
    ) external payable;

    function getAmountAndFees(
        address _oft,
        uint256 _amount,
        uint256 _callerBps
    )
        external
        view
        returns (
            uint256 amount,
            uint256 wrapperFee,
            uint256 callerFee
        );

    function estimateSendFee(
        address _oft,
        uint16 _dstChainId,
        bytes calldata _toAddress,
        uint _amount,
        bool _useZro,
        bytes calldata _adapterParams,
        FeeObj calldata _feeObj
    ) external view returns (uint nativeFee, uint zroFee);

    function estimateSendFeeV2(
        address _oft,
        uint16 _dstChainId,
        bytes32 _toAddress,
        uint _amount,
        bool _useZro,
        bytes calldata _adapterParams,
        FeeObj calldata _feeObj
    ) external view returns (uint nativeFee, uint zroFee);
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.5.0;

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

/**
 * @dev Interface of the IOFT core standard
 */
interface IOFTCore is IERC165 {
    /**
     * @dev estimate send token `_tokenId` to (`_dstChainId`, `_toAddress`)
     * _dstChainId - L0 defined chain id to send tokens too
     * _toAddress - dynamic bytes array which contains the address to whom you are sending tokens to on the dstChain
     * _amount - amount of the tokens to transfer
     * _useZro - indicates to use zro to pay L0 fees
     * _adapterParam - flexible bytes array to indicate messaging adapter services in L0
     */
    function estimateSendFee(uint16 _dstChainId, bytes calldata _toAddress, uint _amount, bool _useZro, bytes calldata _adapterParams) external view returns (uint nativeFee, uint zroFee);

    /**
     * @dev send `_amount` amount of token to (`_dstChainId`, `_toAddress`) from `_from`
     * `_from` the owner of token
     * `_dstChainId` the destination chain identifier
     * `_toAddress` can be any size depending on the `dstChainId`.
     * `_amount` the quantity of tokens in wei
     * `_refundAddress` the address LayerZero refunds if too much message fee is sent
     * `_zroPaymentAddress` set to address(0x0) if not paying in ZRO (LayerZero Token)
     * `_adapterParams` is a flexible bytes array to indicate messaging adapter services
     */
    function sendFrom(address _from, uint16 _dstChainId, bytes calldata _toAddress, uint _amount, address payable _refundAddress, address _zroPaymentAddress, bytes calldata _adapterParams) external payable;

    /**
     * @dev returns the circulating amount of tokens on current chain
     */
    function circulatingSupply() external view returns (uint);

    /**
     * @dev returns the address of the ERC20 token
     */
    function token() external view returns (address);

    /**
     * @dev Emitted when `_amount` tokens are moved from the `_sender` to (`_dstChainId`, `_toAddress`)
     * `_nonce` is the outbound nonce
     */
    event SendToChain(uint16 indexed _dstChainId, address indexed _from, bytes _toAddress, uint _amount);

    /**
     * @dev Emitted when `_amount` tokens are received from `_srcChainId` into the `_toAddress` on the local chain.
     * `_nonce` is the inbound nonce.
     */
    event ReceiveFromChain(uint16 indexed _srcChainId, address indexed _to, uint _amount);

    event SetUseCustomAdapterParams(bool _useCustomAdapterParams);
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.5.0;

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

/**
 * @dev Interface of the IOFT core standard
 */
interface ICommonOFT is IERC165 {

    struct LzCallParams {
        address payable refundAddress;
        address zroPaymentAddress;
        bytes adapterParams;
    }

    /**
     * @dev estimate send token `_tokenId` to (`_dstChainId`, `_toAddress`)
     * _dstChainId - L0 defined chain id to send tokens too
     * _toAddress - dynamic bytes array which contains the address to whom you are sending tokens to on the dstChain
     * _amount - amount of the tokens to transfer
     * _useZro - indicates to use zro to pay L0 fees
     * _adapterParam - flexible bytes array to indicate messaging adapter services in L0
     */
    function estimateSendFee(uint16 _dstChainId, bytes32 _toAddress, uint _amount, bool _useZro, bytes calldata _adapterParams) external view returns (uint nativeFee, uint zroFee);

    function estimateSendAndCallFee(uint16 _dstChainId, bytes32 _toAddress, uint _amount, bytes calldata _payload, uint64 _dstGasForCall, bool _useZro, bytes calldata _adapterParams) external view returns (uint nativeFee, uint zroFee);

    /**
     * @dev returns the circulating amount of tokens on current chain
     */
    function circulatingSupply() external view returns (uint);

    /**
     * @dev returns the address of the ERC20 token
     */
    function token() external view returns (address);
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.5.0;

import "./ICommonOFT.sol";

/**
 * @dev Interface of the IOFT core standard
 */
interface IOFTV2 is ICommonOFT {

    /**
     * @dev send `_amount` amount of token to (`_dstChainId`, `_toAddress`) from `_from`
     * `_from` the owner of token
     * `_dstChainId` the destination chain identifier
     * `_toAddress` can be any size depending on the `dstChainId`.
     * `_amount` the quantity of tokens in wei
     * `_refundAddress` the address LayerZero refunds if too much message fee is sent
     * `_zroPaymentAddress` set to address(0x0) if not paying in ZRO (LayerZero Token)
     * `_adapterParams` is a flexible bytes array to indicate messaging adapter services
     */
    function sendFrom(address _from, uint16 _dstChainId, bytes32 _toAddress, uint _amount, LzCallParams calldata _callParams) external payable;

    function sendAndCall(address _from, uint16 _dstChainId, bytes32 _toAddress, uint _amount, bytes calldata _payload, uint64 _dstGasForCall, LzCallParams calldata _callParams) external payable;
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.5.0;

import "../ICommonOFT.sol";

/**
 * @dev Interface of the IOFT core standard
 */
interface IOFTWithFee is ICommonOFT {

    /**
     * @dev send `_amount` amount of token to (`_dstChainId`, `_toAddress`) from `_from`
     * `_from` the owner of token
     * `_dstChainId` the destination chain identifier
     * `_toAddress` can be any size depending on the `dstChainId`.
     * `_amount` the quantity of tokens in wei
     * `_minAmount` the minimum amount of tokens to receive on dstChain
     * `_refundAddress` the address LayerZero refunds if too much message fee is sent
     * `_zroPaymentAddress` set to address(0x0) if not paying in ZRO (LayerZero Token)
     * `_adapterParams` is a flexible bytes array to indicate messaging adapter services
     */
    function sendFrom(address _from, uint16 _dstChainId, bytes32 _toAddress, uint _amount, uint _minAmount, LzCallParams calldata _callParams) external payable;

    function sendAndCall(address _from, uint16 _dstChainId, bytes32 _toAddress, uint _amount, uint _minAmount, bytes calldata _payload, uint64 _dstGasForCall, LzCallParams calldata _callParams) external payable;
}

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

pragma solidity ^0.8.0;

import "../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.
 *
 * By default, the owner account will be the one that deploys the contract. 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;

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _transferOwnership(_msgSender());
    }

    /**
     * @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 {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
    }

    /**
     * @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 {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _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
// OpenZeppelin Contracts (last updated v4.9.0) (security/ReentrancyGuard.sol)

pragma solidity ^0.8.0;

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant _NOT_ENTERED = 1;
    uint256 private constant _ENTERED = 2;

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and making it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        _nonReentrantBefore();
        _;
        _nonReentrantAfter();
    }

    function _nonReentrantBefore() private {
        // On the first call to nonReentrant, _status will be _NOT_ENTERED
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

        // Any calls to nonReentrant after this point will fail
        _status = _ENTERED;
    }

    function _nonReentrantAfter() private {
        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a
     * `nonReentrant` function in the call stack.
     */
    function _reentrancyGuardEntered() internal view returns (bool) {
        return _status == _ENTERED;
    }
}

// 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 v4.9.0) (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.
 */
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].
     */
    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/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. Compatible with tokens that require the approval to be set to
     * 0 before setting it to a non-zero value.
     */
    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/Context.sol)

pragma solidity ^0.8.0;

/**
 * @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;
    }
}

// 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);
}

File 16 of 16 : INativeOFT.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

interface INativeOFT {
    function deposit() external payable;
}

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

Contract Security Audit

Contract ABI

API
[{"inputs":[{"internalType":"uint256","name":"_defaultBps","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"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":"address","name":"oft","type":"address"},{"indexed":false,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"WrapperFeeWithdrawn","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes2","name":"partnerId","type":"bytes2"},{"indexed":false,"internalType":"address","name":"token","type":"address"},{"indexed":false,"internalType":"uint256","name":"wrapperFee","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"callerFee","type":"uint256"}],"name":"WrapperFees","type":"event"},{"inputs":[],"name":"BPS_DENOMINATOR","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_UINT","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"defaultBps","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_oft","type":"address"},{"internalType":"uint16","name":"_dstChainId","type":"uint16"},{"internalType":"bytes","name":"_toAddress","type":"bytes"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"bool","name":"_useZro","type":"bool"},{"internalType":"bytes","name":"_adapterParams","type":"bytes"},{"components":[{"internalType":"uint256","name":"callerBps","type":"uint256"},{"internalType":"address","name":"caller","type":"address"},{"internalType":"bytes2","name":"partnerId","type":"bytes2"}],"internalType":"struct IOFTWrapper.FeeObj","name":"_feeObj","type":"tuple"}],"name":"estimateSendFee","outputs":[{"internalType":"uint256","name":"nativeFee","type":"uint256"},{"internalType":"uint256","name":"zroFee","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_oft","type":"address"},{"internalType":"uint16","name":"_dstChainId","type":"uint16"},{"internalType":"bytes32","name":"_toAddress","type":"bytes32"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"bool","name":"_useZro","type":"bool"},{"internalType":"bytes","name":"_adapterParams","type":"bytes"},{"components":[{"internalType":"uint256","name":"callerBps","type":"uint256"},{"internalType":"address","name":"caller","type":"address"},{"internalType":"bytes2","name":"partnerId","type":"bytes2"}],"internalType":"struct IOFTWrapper.FeeObj","name":"_feeObj","type":"tuple"}],"name":"estimateSendFeeV2","outputs":[{"internalType":"uint256","name":"nativeFee","type":"uint256"},{"internalType":"uint256","name":"zroFee","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"uint256","name":"_callerBps","type":"uint256"}],"name":"getAmountAndFees","outputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"wrapperFee","type":"uint256"},{"internalType":"uint256","name":"callerFee","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"oftBps","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"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":"address","name":"_nativeOft","type":"address"},{"internalType":"uint16","name":"_dstChainId","type":"uint16"},{"internalType":"bytes","name":"_toAddress","type":"bytes"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"uint256","name":"_minAmount","type":"uint256"},{"internalType":"address payable","name":"_refundAddress","type":"address"},{"internalType":"address","name":"_zroPaymentAddress","type":"address"},{"internalType":"bytes","name":"_adapterParams","type":"bytes"},{"components":[{"internalType":"uint256","name":"callerBps","type":"uint256"},{"internalType":"address","name":"caller","type":"address"},{"internalType":"bytes2","name":"partnerId","type":"bytes2"}],"internalType":"struct IOFTWrapper.FeeObj","name":"_feeObj","type":"tuple"}],"name":"sendNativeOFT","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"_nativeOft","type":"address"},{"internalType":"uint16","name":"_dstChainId","type":"uint16"},{"internalType":"bytes32","name":"_toAddress","type":"bytes32"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"uint256","name":"_minAmount","type":"uint256"},{"components":[{"internalType":"address payable","name":"refundAddress","type":"address"},{"internalType":"address","name":"zroPaymentAddress","type":"address"},{"internalType":"bytes","name":"adapterParams","type":"bytes"}],"internalType":"struct ICommonOFT.LzCallParams","name":"_callParams","type":"tuple"},{"components":[{"internalType":"uint256","name":"callerBps","type":"uint256"},{"internalType":"address","name":"caller","type":"address"},{"internalType":"bytes2","name":"partnerId","type":"bytes2"}],"internalType":"struct IOFTWrapper.FeeObj","name":"_feeObj","type":"tuple"}],"name":"sendNativeOFTFeeV2","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"_oft","type":"address"},{"internalType":"uint16","name":"_dstChainId","type":"uint16"},{"internalType":"bytes","name":"_toAddress","type":"bytes"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"uint256","name":"_minAmount","type":"uint256"},{"internalType":"address payable","name":"_refundAddress","type":"address"},{"internalType":"address","name":"_zroPaymentAddress","type":"address"},{"internalType":"bytes","name":"_adapterParams","type":"bytes"},{"components":[{"internalType":"uint256","name":"callerBps","type":"uint256"},{"internalType":"address","name":"caller","type":"address"},{"internalType":"bytes2","name":"partnerId","type":"bytes2"}],"internalType":"struct IOFTWrapper.FeeObj","name":"_feeObj","type":"tuple"}],"name":"sendOFT","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"_oft","type":"address"},{"internalType":"uint16","name":"_dstChainId","type":"uint16"},{"internalType":"bytes32","name":"_toAddress","type":"bytes32"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"uint256","name":"_minAmount","type":"uint256"},{"components":[{"internalType":"address payable","name":"refundAddress","type":"address"},{"internalType":"address","name":"zroPaymentAddress","type":"address"},{"internalType":"bytes","name":"adapterParams","type":"bytes"}],"internalType":"struct ICommonOFT.LzCallParams","name":"_callParams","type":"tuple"},{"components":[{"internalType":"uint256","name":"callerBps","type":"uint256"},{"internalType":"address","name":"caller","type":"address"},{"internalType":"bytes2","name":"partnerId","type":"bytes2"}],"internalType":"struct IOFTWrapper.FeeObj","name":"_feeObj","type":"tuple"}],"name":"sendOFTFeeV2","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"_oft","type":"address"},{"internalType":"uint16","name":"_dstChainId","type":"uint16"},{"internalType":"bytes32","name":"_toAddress","type":"bytes32"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"uint256","name":"_minAmount","type":"uint256"},{"components":[{"internalType":"address payable","name":"refundAddress","type":"address"},{"internalType":"address","name":"zroPaymentAddress","type":"address"},{"internalType":"bytes","name":"adapterParams","type":"bytes"}],"internalType":"struct ICommonOFT.LzCallParams","name":"_callParams","type":"tuple"},{"components":[{"internalType":"uint256","name":"callerBps","type":"uint256"},{"internalType":"address","name":"caller","type":"address"},{"internalType":"bytes2","name":"partnerId","type":"bytes2"}],"internalType":"struct IOFTWrapper.FeeObj","name":"_feeObj","type":"tuple"}],"name":"sendOFTV2","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"_proxyOft","type":"address"},{"internalType":"uint16","name":"_dstChainId","type":"uint16"},{"internalType":"bytes","name":"_toAddress","type":"bytes"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"uint256","name":"_minAmount","type":"uint256"},{"internalType":"address payable","name":"_refundAddress","type":"address"},{"internalType":"address","name":"_zroPaymentAddress","type":"address"},{"internalType":"bytes","name":"_adapterParams","type":"bytes"},{"components":[{"internalType":"uint256","name":"callerBps","type":"uint256"},{"internalType":"address","name":"caller","type":"address"},{"internalType":"bytes2","name":"partnerId","type":"bytes2"}],"internalType":"struct IOFTWrapper.FeeObj","name":"_feeObj","type":"tuple"}],"name":"sendProxyOFT","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"_proxyOft","type":"address"},{"internalType":"uint16","name":"_dstChainId","type":"uint16"},{"internalType":"bytes32","name":"_toAddress","type":"bytes32"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"uint256","name":"_minAmount","type":"uint256"},{"components":[{"internalType":"address payable","name":"refundAddress","type":"address"},{"internalType":"address","name":"zroPaymentAddress","type":"address"},{"internalType":"bytes","name":"adapterParams","type":"bytes"}],"internalType":"struct ICommonOFT.LzCallParams","name":"_callParams","type":"tuple"},{"components":[{"internalType":"uint256","name":"callerBps","type":"uint256"},{"internalType":"address","name":"caller","type":"address"},{"internalType":"bytes2","name":"partnerId","type":"bytes2"}],"internalType":"struct IOFTWrapper.FeeObj","name":"_feeObj","type":"tuple"}],"name":"sendProxyOFTFeeV2","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"_proxyOft","type":"address"},{"internalType":"uint16","name":"_dstChainId","type":"uint16"},{"internalType":"bytes32","name":"_toAddress","type":"bytes32"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"uint256","name":"_minAmount","type":"uint256"},{"components":[{"internalType":"address payable","name":"refundAddress","type":"address"},{"internalType":"address","name":"zroPaymentAddress","type":"address"},{"internalType":"bytes","name":"adapterParams","type":"bytes"}],"internalType":"struct ICommonOFT.LzCallParams","name":"_callParams","type":"tuple"},{"components":[{"internalType":"uint256","name":"callerBps","type":"uint256"},{"internalType":"address","name":"caller","type":"address"},{"internalType":"bytes2","name":"partnerId","type":"bytes2"}],"internalType":"struct IOFTWrapper.FeeObj","name":"_feeObj","type":"tuple"}],"name":"sendProxyOFTV2","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_defaultBps","type":"uint256"}],"name":"setDefaultBps","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"},{"internalType":"uint256","name":"_bps","type":"uint256"}],"name":"setOFTBps","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_oft","type":"address"},{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"withdrawFees","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

0000000000000000000000000000000000000000000000000000000000000002

-----Decoded View---------------
Arg [0] : _defaultBps (uint256): 2

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000002


Block Transaction Difficulty Gas Used Reward
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Block Uncle Number Difficulty Gas Used Reward
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Validator Index Block Amount
View All Withdrawals

Transaction Hash Block Value Eth2 PubKey Valid
View All Deposits
0x36d4686e19c052787D7f24E6913cEbC025714895
Net Worth in USD
$811.28

Net Worth in MNT
Mantle Mainnet Network LogoMantle Mainnet Network LogoMantle Mainnet Network Logo 1,057.886785

Token Allocations
MIM 28.70%
GOLD 26.96%
RDNT 25.01%
Others 19.33%
Chain Token Portfolio % Price Amount Value
BASE28.08%$0.993795229.221$227.8
BASE26.96%$2.299.4318$218.75
BASE25.01%$0.00562936,041.2344$202.89
BASE7.40%$0.0147954,059.4401$60.06
BASE0.81%$0.0000061,065,913.2325$6.56
BASE0.26%<$0.00000190,092,213.2999$2.14
BASE0.19%$0.0001728,758.8485$1.5
BASE0.05%$0.000001740,000$0.407
MANTLE9.73%$0.0408851,930.8682$78.94
ARB0.89%$2,078.310.00347035$7.21
MOVR0.62%$0.9934185.0391$5.01
POL<0.01%$0.0960570.0659$0.006326
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.