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Contract

0x26c758836ce2714181D42a5C9d01A5d917bdC185
 

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Withdraw200640072024-06-10 21:06:2327 days ago1718053583IN
0x26c75883...917bdC185
0 ETH0.0011029716.2326845
Withdraw200098822024-06-03 7:43:3535 days ago1717400615IN
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0 ETH0.00081419.57228128
Withdraw200069082024-06-02 21:45:4735 days ago1717364747IN
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0 ETH0.000822099.66625582
Withdraw200014462024-06-02 3:27:1136 days ago1717298831IN
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0 ETH0.000344515.07024156
Withdraw199910652024-05-31 16:40:2337 days ago1717173623IN
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0 ETH0.0015076422.18826157
Withdraw199501272024-05-25 23:19:1143 days ago1716679151IN
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0 ETH0.00040214.72792071
Withdraw199332972024-05-23 14:51:4745 days ago1716475907IN
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0 ETH0.0002679111.39416585
Withdraw199332972024-05-23 14:51:4745 days ago1716475907IN
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0 ETH0.0007742111.39416585
Withdraw199228882024-05-22 3:56:1147 days ago1716350171IN
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0 ETH0.000799029.39498682
Withdraw198987952024-05-18 19:03:5950 days ago1716059039IN
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0 ETH0.000218713.21881497
Withdraw198939822024-05-18 2:53:2351 days ago1716000803IN
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0 ETH0.000393225.78711426
Withdraw198710772024-05-14 22:03:4754 days ago1715724227IN
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0 ETH0.000517326.08273994
Withdraw198248552024-05-08 10:50:1160 days ago1715165411IN
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0 ETH0.000382344.49562114
Withdraw198124852024-05-06 17:19:3562 days ago1715015975IN
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0 ETH0.00048097.07757884
Withdraw197993422024-05-04 21:11:4764 days ago1714857107IN
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0 ETH0.000370284.35379428
Withdraw197870802024-05-03 4:03:3566 days ago1714709015IN
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0 ETH0.000413344.86012943
Withdraw197604432024-04-29 10:42:1169 days ago1714387331IN
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0 ETH0.000641659.44335675
Withdraw197580872024-04-29 2:48:3570 days ago1714358915IN
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0 ETH0.000337354.96488641
Withdraw197343312024-04-25 19:00:3573 days ago1714071635IN
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0 ETH0.0011990214.09820016
Withdraw197297022024-04-25 3:28:3574 days ago1714015715IN
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0 ETH0.000570446.70731067
Withdraw196663622024-04-16 6:49:2383 days ago1713250163IN
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0 ETH0.0008857810.41507699
Withdraw196358632024-04-12 0:10:4787 days ago1712880647IN
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0 ETH0.0007523611.07271361
Withdraw196008242024-04-07 2:24:2392 days ago1712456663IN
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0 ETH0.001095712.88332811
Withdraw196007172024-04-07 2:02:3592 days ago1712455355IN
0x26c75883...917bdC185
0 ETH0.0010460812.2999423
Withdraw195746822024-04-03 10:34:3595 days ago1712140475IN
0x26c75883...917bdC185
0 ETH0.0020589324.20907168
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Contract Source Code Verified (Exact Match)

Contract Name:
MetacadeStaking

Compiler Version
v0.8.18+commit.87f61d96

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
File 1 of 7 : MetacadeStaking.sol
// SPDX-License-Identifier: UNLICENSED
pragma solidity 0.8.18;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "../interfaces/staking/IStaking.sol";
import "../interfaces/staking/IPresalePurchases.sol";

contract MetacadeStaking is IStaking {
    using SafeERC20 for IERC20;

    IERC20 public token;
    IPresalePurchases public presale;

    /// @notice Interest that should be accrued to the user as a reward
    /// @dev It is represented as a regular blockchain number with 2 decimal places (10000 is 100.00%)
    uint256 public immutable interestRate;

    uint256 public immutable stakingStart;
    uint256 public immutable stakingEnd;
    uint256 public immutable withdrawalStart;
    uint256 public immutable stakingPoolLimit;

    uint256 public stakingPool;
    mapping(address => uint256) public userDeposits;
    mapping(address => bool) public hasWithdrawn;

    constructor(
        address _token,
        address _presale,
        uint256 _stakingStart,
        uint256 _stakingPeriod,
        uint256 _lockPeriod,
        uint256 _stakingPoolLimit,
        uint256 _interestRange
    ) {
        token = IERC20(_token);
        presale = IPresalePurchases(_presale);
        stakingStart = _stakingStart;
        stakingEnd = _stakingStart + _stakingPeriod;
        withdrawalStart = _stakingStart + _stakingPeriod + _lockPeriod;
        interestRate = _interestRange;
        stakingPoolLimit = _stakingPoolLimit;
    }

    /// @dev Deposit tokens to be locked until the end of the locking period
    /// @param _amount The amount of tokens to deposit
    function stake(uint256 _amount) public {
        if (block.timestamp < stakingStart || block.timestamp >= stakingEnd) revert InvalidTimePeriod();
        if (!presale.hasClaimed(msg.sender) && presale.userDeposits(msg.sender) == 0) revert NotPresaleParticipant();
        if (stakingPool + _amount > stakingPoolLimit) revert ExceedsStakingLimit(stakingPoolLimit - stakingPool);

        userDeposits[msg.sender] += _amount;
        stakingPool += _amount;

        token.safeTransferFrom(msg.sender, address(this), _amount);

        emit Staked(msg.sender, _amount, block.timestamp);
    }

    /// @dev Withdraw tokens after the end of the locking period or during the deposit period
    function withdraw() public {
        if (block.timestamp < withdrawalStart) revert InvalidTimePeriod();
        if (hasWithdrawn[msg.sender]) revert AlreadyWithdrawn();
        if (userDeposits[msg.sender] == 0) revert NoStake();

        uint256 tokensToTransfer = userDeposits[msg.sender] + (userDeposits[msg.sender] * interestRate / 10000);

        hasWithdrawn[msg.sender] = true;

        token.safeTransfer(msg.sender, tokensToTransfer);

        emit Withdrawn(msg.sender, tokensToTransfer, block.timestamp);
    }
}

File 2 of 7 : draft-IERC20Permit.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/draft-IERC20Permit.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 */
interface IERC20Permit {
    /**
     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
     * given ``owner``'s signed approval.
     *
     * IMPORTANT: The same issues {IERC20-approve} has related to transaction
     * ordering also apply here.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `deadline` must be a timestamp in the future.
     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
     * over the EIP712-formatted function arguments.
     * - the signature must use ``owner``'s current nonce (see {nonces}).
     *
     * For more information on the signature format, see the
     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
     * section].
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    /**
     * @dev Returns the current nonce for `owner`. This value must be
     * included whenever a signature is generated for {permit}.
     *
     * Every successful call to {permit} increases ``owner``'s nonce by one. This
     * prevents a signature from being used multiple times.
     */
    function nonces(address owner) external view returns (uint256);

    /**
     * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.
     */
    // solhint-disable-next-line func-name-mixedcase
    function DOMAIN_SEPARATOR() external view returns (bytes32);
}

File 3 of 7 : IERC20.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

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

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

File 4 of 7 : SafeERC20.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../extensions/draft-IERC20Permit.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 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'
        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) + value;
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

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

    function safePermit(
        IERC20Permit token,
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal {
        uint256 nonceBefore = token.nonces(owner);
        token.permit(owner, spender, value, deadline, v, r, s);
        uint256 nonceAfter = token.nonces(owner);
        require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
    }

    /**
     * @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
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

File 5 of 7 : Address.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @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
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 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");

        (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 functionCallWithValue(target, data, 0, "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");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, 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) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, 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) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // 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
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

File 6 of 7 : IPresalePurchases.sol
// SPDX-License-Identifier: UNLICENSED
pragma solidity 0.8.18;

interface IPresalePurchases {
    function hasClaimed(address _user) external returns(bool);

    function userDeposits(address _user) external returns(uint256);
}

File 7 of 7 : IStaking.sol
// SPDX-License-Identifier: UNLICENSED
pragma solidity 0.8.18;

interface IStaking {
    /// @notice Stake exceeds stake pool limit
    /// @dev returns amount of tokens remaining before stake limit will be reached
    error ExceedsStakingLimit(uint256 remainingLimit);

    /// @notice Could not withdraw if no tokens were staked
    error NoStake();

    /// @notice Thrown when trying to run function in wrong time
    error InvalidTimePeriod();

    /// @notice Could not deposit if user not participated in presale
    error NotPresaleParticipant();

    /// @notice Could not withdraw if already withdrawn
    error AlreadyWithdrawn();

    event Staked (
        address indexed user,
        uint256 indexed amount,
        uint256 timestamp
    );

    event Withdrawn (
        address indexed user,
        uint256 indexed amount,
        uint256 timestamp
    );
}

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

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"_token","type":"address"},{"internalType":"address","name":"_presale","type":"address"},{"internalType":"uint256","name":"_stakingStart","type":"uint256"},{"internalType":"uint256","name":"_stakingPeriod","type":"uint256"},{"internalType":"uint256","name":"_lockPeriod","type":"uint256"},{"internalType":"uint256","name":"_stakingPoolLimit","type":"uint256"},{"internalType":"uint256","name":"_interestRange","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"AlreadyWithdrawn","type":"error"},{"inputs":[{"internalType":"uint256","name":"remainingLimit","type":"uint256"}],"name":"ExceedsStakingLimit","type":"error"},{"inputs":[],"name":"InvalidTimePeriod","type":"error"},{"inputs":[],"name":"NoStake","type":"error"},{"inputs":[],"name":"NotPresaleParticipant","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"timestamp","type":"uint256"}],"name":"Staked","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"timestamp","type":"uint256"}],"name":"Withdrawn","type":"event"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"hasWithdrawn","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"interestRate","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"presale","outputs":[{"internalType":"contract IPresalePurchases","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"stake","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"stakingEnd","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"stakingPool","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"stakingPoolLimit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"stakingStart","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"token","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"userDeposits","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdrawalStart","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"}]

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Deployed Bytecode

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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

000000000000000000000000ed328e9c1179a30ddc1e7595e036aed8760c22af0000000000000000000000000b9869c0b6601544f776284320423bc31fa0dc8000000000000000000000000000000000000000000000000000000000642f16b000000000000000000000000000000000000000000000000000000000000151800000000000000000000000000000000000000000000000000000000000f14280000000000000000000000000000000000000000000cecb8f27f4200f3a0000000000000000000000000000000000000000000000000000000000000000000fa0

-----Decoded View---------------
Arg [0] : _token (address): 0xed328E9C1179a30ddC1E7595E036AEd8760C22aF
Arg [1] : _presale (address): 0x0b9869C0b6601544F776284320423bC31fA0dc80
Arg [2] : _stakingStart (uint256): 1680807600
Arg [3] : _stakingPeriod (uint256): 86400
Arg [4] : _lockPeriod (uint256): 15811200
Arg [5] : _stakingPoolLimit (uint256): 250000000000000000000000000
Arg [6] : _interestRange (uint256): 4000

-----Encoded View---------------
7 Constructor Arguments found :
Arg [0] : 000000000000000000000000ed328e9c1179a30ddc1e7595e036aed8760c22af
Arg [1] : 0000000000000000000000000b9869c0b6601544f776284320423bc31fa0dc80
Arg [2] : 00000000000000000000000000000000000000000000000000000000642f16b0
Arg [3] : 0000000000000000000000000000000000000000000000000000000000015180
Arg [4] : 0000000000000000000000000000000000000000000000000000000000f14280
Arg [5] : 000000000000000000000000000000000000000000cecb8f27f4200f3a000000
Arg [6] : 0000000000000000000000000000000000000000000000000000000000000fa0


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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.