Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT
pragma solidity 0.6.12;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/SafeERC20.sol";
import "@openzeppelin/contracts/math/SafeMath.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/ReentrancyGuard.sol";

contract DepositManager is ReentrancyGuard, Ownable {
    using SafeERC20 for IERC20;
    using SafeMath for uint256;

    IERC20 public realINJ;

    uint256 public constant lockingPeriod = 7 days;

    mapping(address => uint256) public depositBalance;
    mapping(address => uint256) public depositUnlockTimestamp;

    bool public competitionEnded;

    event Withdrawal(address indexed staker, uint256 withdrawalAmount, uint256 withdrawalTimestamp);

    event Deposit(address indexed staker, uint256 depositAmount, uint256 depositUnlockTimestamp, uint256 depositTimestamp);

    modifier onlyValidWithdrawal(uint256 withdrawalAmount) {
        require(withdrawalAmount > 0, "Cannot withdraw amount of 0");
        require(
            depositUnlockTimestamp[msg.sender] <= block.timestamp || competitionEnded,
            "Cannot withdraw before unlocking period pass if competition still active"
        );
        _;
    }

    constructor(IERC20 realINJ_) public {
        realINJ = realINJ_;
    }

    function deposit(uint256 amount) external nonReentrant {
        require(amount > 0, "Cannot deposit amount of 0");
        require(!competitionEnded, "Cannot deposit on inactive competition");

        realINJ.safeTransferFrom(msg.sender, address(this), amount);

        depositBalance[msg.sender] = depositBalance[msg.sender].add(amount);
        depositUnlockTimestamp[msg.sender] = block.timestamp.add(lockingPeriod);

        emit Deposit(msg.sender, amount, depositUnlockTimestamp[msg.sender], block.timestamp);
    }

    function withdraw(uint256 withdrawalAmount) external nonReentrant onlyValidWithdrawal(withdrawalAmount) {
        depositBalance[msg.sender] = depositBalance[msg.sender].sub(withdrawalAmount, "Cannot withdraw more than deposits");

        realINJ.safeTransfer(msg.sender, withdrawalAmount);
        emit Withdrawal(msg.sender, withdrawalAmount, block.timestamp);
    }

    function withdrawAll() external nonReentrant onlyValidWithdrawal(depositBalance[msg.sender]) {
        uint256 withdrawalAmount = depositBalance[msg.sender];
        depositBalance[msg.sender] = 0;

        realINJ.safeTransfer(msg.sender, withdrawalAmount);
        emit Withdrawal(msg.sender, withdrawalAmount, block.timestamp);
    }

    function endCompetition() external onlyOwner {
        competitionEnded = true;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @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: MIT

pragma solidity >=0.6.0 <0.8.0;

import "./IERC20.sol";
import "../../math/SafeMath.sol";
import "../../utils/Address.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    using SafeMath for uint256;
    using Address for address;

    function safeTransfer(IERC20 token, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

    /**
     * @dev Deprecated. This function has issues similar to the ones found in
     * {IERC20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    function safeApprove(IERC20 token, address spender, uint256 value) internal {
        // safeApprove should only be called when setting an initial allowance,
        // or when resetting it to zero. To increase and decrease it, use
        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
        // solhint-disable-next-line max-line-length
        require((value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }

    function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        uint256 newAllowance = token.allowance(address(this), spender).add(value);
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        uint256 newAllowance = token.allowance(address(this), spender).sub(value, "SafeERC20: decreased allowance below zero");
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        if (returndata.length > 0) { // Return data is optional
            // solhint-disable-next-line max-line-length
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Wrappers over Solidity's arithmetic operations with added overflow
 * checks.
 *
 * Arithmetic operations in Solidity wrap on overflow. This can easily result
 * in bugs, because programmers usually assume that an overflow raises an
 * error, which is the standard behavior in high level programming languages.
 * `SafeMath` restores this intuition by reverting the transaction when an
 * operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        uint256 c = a + b;
        if (c < a) return (false, 0);
        return (true, c);
    }

    /**
     * @dev Returns the substraction of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b > a) return (false, 0);
        return (true, a - b);
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
        // benefit is lost if 'b' is also tested.
        // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
        if (a == 0) return (true, 0);
        uint256 c = a * b;
        if (c / a != b) return (false, 0);
        return (true, c);
    }

    /**
     * @dev Returns the division of two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b == 0) return (false, 0);
        return (true, a / b);
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b == 0) return (false, 0);
        return (true, a % b);
    }

    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     *
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");
        return c;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b <= a, "SafeMath: subtraction overflow");
        return a - b;
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     *
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        if (a == 0) return 0;
        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");
        return c;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b > 0, "SafeMath: division by zero");
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b > 0, "SafeMath: modulo by zero");
        return a % b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {trySub}.
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        return a - b;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryDiv}.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting with custom message when dividing by zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryMod}.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        return a % b;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

import "../utils/Context.sol";
/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor () internal {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        emit OwnershipTransferred(_owner, address(0));
        _owner = address(0);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant _NOT_ENTERED = 1;
    uint256 private constant _ENTERED = 2;

    uint256 private _status;

    constructor () internal {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and make it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        // On the first call to nonReentrant, _notEntered will be true
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

        // Any calls to nonReentrant after this point will fail
        _status = _ENTERED;

        _;

        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = _NOT_ENTERED;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.2 <0.8.0;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        // solhint-disable-next-line no-inline-assembly
        assembly { size := extcodesize(account) }
        return size > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        // solhint-disable-next-line avoid-low-level-calls, avoid-call-value
        (bool success, ) = recipient.call{ value: amount }("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain`call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
      return functionCall(target, data, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        require(isContract(target), "Address: call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.call{ value: value }(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.staticcall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

                // solhint-disable-next-line no-inline-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/*
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with GSN meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address payable) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes memory) {
        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
        return msg.data;
    }
}

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"contract IERC20","name":"realINJ_","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"staker","type":"address"},{"indexed":false,"internalType":"uint256","name":"depositAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"depositUnlockTimestamp","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"depositTimestamp","type":"uint256"}],"name":"Deposit","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"staker","type":"address"},{"indexed":false,"internalType":"uint256","name":"withdrawalAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"withdrawalTimestamp","type":"uint256"}],"name":"Withdrawal","type":"event"},{"inputs":[],"name":"competitionEnded","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"deposit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"depositBalance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"depositUnlockTimestamp","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"endCompetition","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"lockingPeriod","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"realINJ","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"withdrawalAmount","type":"uint256"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdrawAll","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

000000000000000000000000e28b3b32b6c345a34ff64674606124dd5aceca30

-----Decoded View---------------
Arg [0] : realINJ_ (address): 0xe28b3B32B6c345A34Ff64674606124Dd5Aceca30

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000e28b3b32b6c345a34ff64674606124dd5aceca30