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// SPDX-License-Identifier: AGPL-3.0-or-later
pragma solidity 0.7.5;

import "./lib/IERC20.sol";
import "./lib/IStaking.sol";

contract StakingHelper {
    address public immutable staking;
    address public immutable Sync;

    constructor(address _staking, address _Sync) {
        require(_staking != address(0));
        staking = _staking;
        require(_Sync != address(0));
        Sync = _Sync;
    }

    function stake(uint _amount, address recipient) external {
        IERC20(Sync).transferFrom(msg.sender, address(this), _amount);
        IERC20(Sync).approve(staking, _amount);
        IStaking(staking).stake(_amount, recipient);
        IStaking(staking).claim(recipient);
    }
}

// SPDX-License-Identifier: AGPL-3.0-or-later
pragma solidity 0.7.5;

interface IERC20 {
    function decimals() external view returns (uint8);

    /**
     * @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 `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(
        address recipient,
        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 `sender` to `recipient` 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 sender,
        address recipient,
        uint256 amount
    ) external returns (bool);

    /**
     * @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
    );
}

// SPDX-License-Identifier: AGPL-3.0-or-later
pragma solidity 0.7.5;

interface IStaking {
    function stake(uint _amount, address _recipient) external returns (bool);

    function claim(address _recipient) external;

    struct Epoch {
        uint number;
        uint distribute;
        uint32 length;
        uint32 endTime;
    }


    function setEpochDistribution(uint _amount) external;


}

{
  "remappings": [
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    "forge-std/=lib/forge-std/src/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "openzeppelin/=lib/openzeppelin-contracts/contracts/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs"
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "istanbul",
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_staking","type":"address"},{"internalType":"address","name":"_Sync","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"Sync","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"address","name":"recipient","type":"address"}],"name":"stake","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"staking","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"}]

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

000000000000000000000000c738cdb5140d6b7f688ba05a25c8a51568622d96000000000000000000000000a41d2f8ee4f47d3b860a149765a7df8c3287b7f0

-----Decoded View---------------
Arg [0] : _staking (address): 0xc738CDb5140d6b7F688ba05a25c8a51568622D96
Arg [1] : _Sync (address): 0xa41d2f8Ee4F47D3B860A149765A7dF8c3287b7F0

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 000000000000000000000000c738cdb5140d6b7f688ba05a25c8a51568622d96
Arg [1] : 000000000000000000000000a41d2f8ee4f47d3b860a149765a7df8c3287b7f0