Contract

Contract Source Code (Solidity)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

Outline

• interface IERC20
•    - function decimals()
•    - function totalSupply()
•    - function balanceOf(address account)
•    - function transfer(address recipient, ...
•    - function allowance(address owner, add ...
•    - function approve(address spender, uin ...
•    - function transferFrom(
• interface IStaking
•    - function stake(uint256 _amount, addre ...
•    - function claim(address _recipient)
•  contract StakingHelper *
•    - function stake(uint256 _amount, addre ...

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

/**
 *Submitted for verification at Etherscan.io on 2021-08-12
*/

/**
 *Submitted for verification at Etherscan.io on 2021-06-12
 */

// 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`.stakingHelper_address
     */
    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(uint256 _amount, address _recipient) external returns (bool);

    function claim(address _recipient) external;
}

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

    constructor(address _staking, address _ASG) {
        require(_staking != address(0));
        staking = _staking;
        require(_ASG != address(0));
        ASG = _ASG;
    }

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_staking","type":"address"},{"internalType":"address","name":"_ASG","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ASG","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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

0x608060405234801561001057600080fd5b50600436106100415760003560e01c80631405ce27146100465780634cf088d91461007a5780637acb7757146100ae575b600080fd5b61004e6100fc565b604051808273ffffffffffffffffffffffffffffffffffffffff16815260200191505060405180910390f35b610082610120565b604051808273ffffffffffffffffffffffffffffffffffffffff16815260200191505060405180910390f35b6100fa600480360360408110156100c457600080fd5b8101908080359060200190929190803573ffffffffffffffffffffffffffffffffffffffff169060200190929190505050610144565b005b7f0000000000000000000000000dc5189ec8cde5732a01f0f592e927b30437055181565b7f0000000000000000000000004ea2bb6df87f66cbea70818ae92f3a48f98ebc9381565b7f0000000000000000000000000dc5189ec8cde5732a01f0f592e927b30437055173ffffffffffffffffffffffffffffffffffffffff166323b872dd3330856040518463ffffffff1660e01b8152600401808473ffffffffffffffffffffffffffffffffffffffff1681526020018373ffffffffffffffffffffffffffffffffffffffff1681526020018281526020019350505050602060405180830381600087803b1580156101f357600080fd5b505af1158015610207573d6000803e3d6000fd5b505050506040513d602081101561021d57600080fd5b8101908080519060200190929190505050507f0000000000000000000000000dc5189ec8cde5732a01f0f592e927b30437055173ffffffffffffffffffffffffffffffffffffffff1663095ea7b37f0000000000000000000000004ea2bb6df87f66cbea70818ae92f3a48f98ebc93846040518363ffffffff1660e01b8152600401808373ffffffffffffffffffffffffffffffffffffffff16815260200182815260200192505050602060405180830381600087803b1580156102e057600080fd5b505af11580156102f4573d6000803e3d6000fd5b505050506040513d602081101561030a57600080fd5b8101908080519060200190929190505050507f0000000000000000000000004ea2bb6df87f66cbea70818ae92f3a48f98ebc9373ffffffffffffffffffffffffffffffffffffffff16637acb775783836040518363ffffffff1660e01b8152600401808381526020018273ffffffffffffffffffffffffffffffffffffffff16815260200192505050602060405180830381600087803b1580156103ad57600080fd5b505af11580156103c1573d6000803e3d6000fd5b505050506040513d60208110156103d757600080fd5b8101908080519060200190929190505050507f0000000000000000000000004ea2bb6df87f66cbea70818ae92f3a48f98ebc9373ffffffffffffffffffffffffffffffffffffffff16631e83409a826040518263ffffffff1660e01b8152600401808273ffffffffffffffffffffffffffffffffffffffff168152602001915050600060405180830381600087803b15801561047257600080fd5b505af1158015610486573d6000803e3d6000fd5b50505050505056fea264697066735822122015551768bfecd6ef5eaf04c4d3a173a93921c6ac2047f1c9041378d737597b6664736f6c63430007050033

0000000000000000000000004ea2bb6df87f66cbea70818ae92f3a48f98ebc930000000000000000000000000dc5189ec8cde5732a01f0f592e927b304370551

-----Decoded View---------------
Arg [0] : _staking (address): 0x4EA2bb6Df87F66cbea70818aE92f3A48F98EBC93
Arg [1] : _ASG (address): 0x0DC5189Ec8CDe5732a01F0F592e927B304370551

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 0000000000000000000000004ea2bb6df87f66cbea70818ae92f3a48f98ebc93
Arg [1] : 0000000000000000000000000dc5189ec8cde5732a01f0f592e927b304370551

3137:588:0:-:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;3206:28;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;3167:32;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;3433:289;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;3206:28;;;:::o;3167:32::-;;;:::o;3433:289::-;3512:3;3505:24;;;3530:10;3550:4;3557:7;3505:60;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;3583:3;3576:19;;;3596:7;3605;3576:37;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;3633:7;3624:23;;;3648:7;3657:10;3624:44;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;3688:7;3679:23;;;3703:10;3679:35;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;3433:289;;:::o

ipfs://15551768bfecd6ef5eaf04c4d3a173a93921c6ac2047f1c9041378d737597b66