Contract Source Code (Solidity Standard Json-Input format)

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// 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);
}

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

contract StakingHelper {

    address public immutable staking;
    address public immutable OHM;

    constructor ( address _staking, address _OHM ) {
        require( _staking != address(0) );
        staking = _staking;
        require( _OHM != address(0) );
        OHM = _OHM;
    }

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

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

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

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

0000000000000000000000005895b13da9beb11e36136817cdcf3c4fcb16aaea00000000000000000000000021ad647b8f4fe333212e735bfc1f36b4941e6ad2

-----Decoded View---------------
Arg [0] : _staking (address): 0x5895B13Da9BEB11e36136817cdcf3c4fcb16aaeA
Arg [1] : _OHM (address): 0x21ad647b8F4Fe333212e735bfC1F36B4941E6Ad2

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 0000000000000000000000005895b13da9beb11e36136817cdcf3c4fcb16aaea
Arg [1] : 00000000000000000000000021ad647b8f4fe333212e735bfc1f36b4941e6ad2