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

import './interfaces/IERC20.sol';

interface IStaking {
    function stake(uint256 _amount, address _recipient) external returns (bool);

    function claim(address _recipient) external;
}

contract AxeStakingHelper {
    address public immutable staking;
    address public immutable AXE;

    constructor(address _staking, address _AXE) {
        require(_staking != address(0));
        staking = _staking;
        require(_AXE != address(0));
        AXE = _AXE;
    }

    function stake(uint256 _amount, address _recipient) external {
        IERC20(AXE).transferFrom(msg.sender, address(this), _amount);
        IERC20(AXE).approve(staking, _amount);
        IStaking(staking).stake(_amount, _recipient);
        IStaking(staking).claim(_recipient);
    }
}

// SPDX-License-Identifier: AGPL-3.0-or-later
pragma solidity >=0.5.0;

interface IERC20 {
    event Approval(address indexed owner, address indexed spender, uint value);
    event Transfer(address indexed from, address indexed to, uint value);

    function name() external view returns (string memory);
    function symbol() external view returns (string memory);
    function decimals() external view returns (uint8);
    function totalSupply() external view returns (uint);
    function balanceOf(address owner) external view returns (uint);
    function allowance(address owner, address spender) external view returns (uint);

    function approve(address spender, uint value) external returns (bool);
    function transfer(address to, uint value) external returns (bool);
    function transferFrom(address from, address to, uint value) external returns (bool);
}

interface IERC20Mintable {
  function mint( uint256 amount_ ) external;

  function mint( address account_, uint256 ammount_ ) external;
}

{
  "compilationTarget": {
    "contracts/AxeStakingHelper.sol": "AxeStakingHelper"
  },
  "evmVersion": "istanbul",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "remappings": []
}