// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

import "contracts/interfaces/IERC20.sol";

// Pair Fees contract is used as a 1:1 pair relationship to split out fees, this ensures that the curve does not need to be modified for LP shares
contract PairFees {
  address internal immutable pair; // The pair it is bonded to
  address internal immutable token0; // token0 of pair, saved localy and statically for gas optimization
  address internal immutable token1; // Token1 of pair, saved localy and statically for gas optimization

  constructor(address _token0, address _token1) {
    pair = msg.sender;
    token0 = _token0;
    token1 = _token1;
  }

  function _safeTransfer(address token, address to, uint256 value) internal {
    require(token.code.length > 0);
    (bool success, bytes memory data) = token.call(
      abi.encodeWithSelector(IERC20.transfer.selector, to, value)
    );
    require(success && (data.length == 0 || abi.decode(data, (bool))));
  }

  // Allow the pair to transfer fees to users
  function claimFeesFor(
    address recipient,
    uint amount0,
    uint amount1
  ) external {
    require(msg.sender == pair);
    if (amount0 > 0) _safeTransfer(token0, recipient, amount0);
    if (amount1 > 0) _safeTransfer(token1, recipient, amount1);
  }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

interface IERC20 {
  function totalSupply() external view returns (uint256);

  function transfer(address recipient, uint amount) external returns (bool);

  function decimals() external view returns (uint8);

  function symbol() external view returns (string memory);

  function balanceOf(address) external view returns (uint);

  function transferFrom(
    address sender,
    address recipient,
    uint amount
  ) external returns (bool);

  function allowance(
    address owner,
    address spender
  ) external view returns (uint);

  function approve(address spender, uint value) external returns (bool);

  event Transfer(address indexed from, address indexed to, uint value);
  event Approval(address indexed owner, address indexed spender, uint value);
}

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_token0","type":"address"},{"internalType":"address","name":"_token1","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount0","type":"uint256"},{"internalType":"uint256","name":"amount1","type":"uint256"}],"name":"claimFeesFor","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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