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;

import "./lib/SafeMath.sol";
import "./lib/Address.sol";
import "./lib/SafeERC20.sol";
import "./lib/OwnableManagement.sol";
import "./lib/IERC20.sol";
import "./lib/ISolis.sol";
import "./lib/IStSolis.sol";
import "./lib/IDistributor.sol";
import "./lib/IWarmup.sol";

contract SolisStaking is OwnableManagement {
    using SafeMath for uint256;
    using SafeMath for uint32;
    using SafeERC20 for IERC20;

    address public immutable Solis;
    address public immutable stSolis;

    struct Epoch {
        uint number;
        uint distribute;
        uint32 length;
        uint32 endTime;
    }
    Epoch public epoch;

    address public distributor;

    address public locker;
    uint public totalBonus;

    address public warmupContract;
    uint public warmupPeriod;

    address taxReceiver;

    uint public taxOnStake = 250; // 2.5%
    uint public taxOnUnstake = 250; // 2.5%

    function setTaxOnStake(uint _taxOnStake) external onlyManager {
        require(_taxOnStake <= 10000, "Tax cannot be greater than 100%");
        taxOnStake = _taxOnStake;
    }

    function setTaxOnUnstake(uint _taxOnUnstake) external onlyManager {
        require(_taxOnUnstake <= 10000, "Tax cannot be greater than 100%");
        taxOnUnstake = _taxOnUnstake;
    }

    function setTaxReceiver(address _taxReceiver) external onlyManager {
        taxReceiver = _taxReceiver;
    }

    modifier onlyDistributor() {
        require(msg.sender == distributor, "Only distributor");
        _;
    }

    constructor(
        address _Solis,
        address _stSolis,
        uint32 _epochLength,
        uint _firstEpochNumber,
        uint32 _firstEpochTime,
        address _taxReceiver
    ) {
        require(_Solis != address(0));
        Solis = _Solis;
        require(_stSolis != address(0));
        stSolis = _stSolis;

        epoch = Epoch({
            length: _epochLength,
            number: _firstEpochNumber,
            endTime: _firstEpochTime,
            distribute: 0
        });

        taxReceiver = _taxReceiver;
    }

    struct Claim {
        uint deposit;
        uint gons;
        uint expiry;
        bool lock; // prevents malicious delays
    }
    mapping(address => Claim) public warmupInfo;

    /**
        @notice stake Solis to enter warmup
        @param _amount uint
        @return bool
     */
    function stake(uint _amount, address _recipient) external returns (bool) {
        rebase();

        uint tax = _amount.mul(taxOnStake).div(10000);
        uint amountAfterTax = _amount.sub(tax);

        IERC20(Solis).safeTransferFrom(
            msg.sender,
            address(this),
            amountAfterTax
        );
        IERC20(Solis).safeTransferFrom(msg.sender, taxReceiver, tax);

        Claim memory info = warmupInfo[_recipient];
        require(!info.lock, "Deposits for account are locked");

        warmupInfo[_recipient] = Claim({
            deposit: info.deposit.add(amountAfterTax),
            gons: info.gons.add(IStSolis(stSolis).gonsForBalance(amountAfterTax)),
            expiry: epoch.number.add(warmupPeriod),
            lock: false
        });

        IERC20(stSolis).safeTransfer(warmupContract, amountAfterTax);
        return true;
    }

    /**
        @notice retrieve stSolis from warmup
        @param _recipient address
     */
    function claim(address _recipient) public {
        Claim memory info = warmupInfo[_recipient];
        if (epoch.number >= info.expiry && info.expiry != 0) {
            delete warmupInfo[_recipient];
            IWarmup(warmupContract).retrieve(
                _recipient,
                IStSolis(stSolis).balanceForGons(info.gons)
            );
        }
    }

    /**
        @notice forfeit stSolis in warmup and retrieve Solis
     */
    function forfeit() external {
        Claim memory info = warmupInfo[msg.sender];
        delete warmupInfo[msg.sender];

        IWarmup(warmupContract).retrieve(
            address(this),
            IStSolis(stSolis).balanceForGons(info.gons)
        );
        IERC20(Solis).safeTransfer(msg.sender, info.deposit);
    }

    /**
        @notice prevent new deposits to address (protection from malicious activity)
     */
    function toggleDepositLock() external {
        warmupInfo[msg.sender].lock = !warmupInfo[msg.sender].lock;
    }

    /**
        @notice redeem stSolis for Solis
        @param _amount uint
        @param _trigger bool
     */
    function unstake(uint _amount, bool _trigger) external {
        if (_trigger) {
            rebase();
        }
        IERC20(stSolis).safeTransferFrom(msg.sender, address(this), _amount);

        uint tax = _amount.mul(taxOnUnstake).div(10000);
        uint amountAfterTax = _amount.sub(tax);

        IERC20(Solis).safeTransfer(msg.sender, amountAfterTax);
        IERC20(Solis).safeTransfer(taxReceiver, tax);
    }

    /**
        @notice returns the stSolis index, which tracks rebase growth
        @return uint
     */
    function index() public view returns (uint) {
        return IStSolis(stSolis).index();
    }

    /**
        @notice trigger rebase if epoch over
     */
    function rebase() public {
        if (epoch.endTime <= uint32(block.timestamp)) {
            IStSolis(stSolis).rebase(epoch.distribute, epoch.number);

            epoch.endTime = epoch.endTime.add32(epoch.length);
            epoch.number++;

            if (distributor != address(0)) {
                IDistributor(distributor).distribute();
            }

            uint balance = contractBalance();
            uint staked = IStSolis(stSolis).circulatingSupply();

            if (balance <= staked) {
                epoch.distribute = 0;
            } else {
                epoch.distribute = balance.sub(staked);
            }
        }
    }

    /**
        @notice returns contract Solis holdings, including bonuses provided
        @return uint
     */
    function contractBalance() public view returns (uint) {
        return IERC20(Solis).balanceOf(address(this)).add(totalBonus);
    }

    /**
        @notice provide bonus to locked staking contract
        @param _amount uint
     */
    function giveLockBonus(uint _amount) external {
        require(msg.sender == locker);
        totalBonus = totalBonus.add(_amount);
        IERC20(stSolis).safeTransfer(locker, _amount);
    }

    /**
        @notice reclaim bonus from locked staking contract
        @param _amount uint
     */
    function returnLockBonus(uint _amount) external {
        require(msg.sender == locker);
        totalBonus = totalBonus.sub(_amount);
        IERC20(stSolis).safeTransferFrom(locker, address(this), _amount);
    }

    enum CONTRACTS {
        DISTRIBUTOR,
        WARMUP,
        LOCKER
    }

    /**
        @notice sets the contract address for LP staking
        @param _contract address
     */
    function setContract(
        CONTRACTS _contract,
        address _address
    ) external onlyManager {
        if (_contract == CONTRACTS.DISTRIBUTOR) {
            // 0
            distributor = _address;
        } else if (_contract == CONTRACTS.WARMUP) {
            // 1
            require(
                warmupContract == address(0),
                "Warmup cannot be set more than once"
            );
            warmupContract = _address;
        } else if (_contract == CONTRACTS.LOCKER) {
            // 2
            require(
                locker == address(0),
                "Locker cannot be set more than once"
            );
            locker = _address;
        }
    }

    /**
     * @notice set warmup period in epoch's numbers for new stakers
     * @param _warmupPeriod uint
     */
    function setWarmup(uint _warmupPeriod) external onlyManager {
        warmupPeriod = _warmupPeriod;
    }
}

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

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 in 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}
     */
    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).
     *
     * 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);
    }

    function _functionCallWithValue(
        address target,
        bytes memory data,
        uint256 weiValue,
        string memory errorMessage
    ) private returns (bytes memory) {
        require(isContract(target), "Address: call to non-contract");

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

    /**
     * @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 v3.3._
     */
    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 v3.3._
     */
    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);
            }
        }
    }

    function addressToString(
        address _address
    ) internal pure returns (string memory) {
        bytes32 _bytes = bytes32(uint256(_address));
        bytes memory HEX = "0123456789abcdef";
        bytes memory _addr = new bytes(42);

        _addr[0] = "0";
        _addr[1] = "x";

        for (uint256 i = 0; i < 20; i++) {
            _addr[2 + i * 2] = HEX[uint8(_bytes[i + 12] >> 4)];
            _addr[3 + i * 2] = HEX[uint8(_bytes[i + 12] & 0x0f)];
        }

        return string(_addr);
    }
}

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

interface IDistributor {
    function nextRewardAt(uint _rate) external view returns (uint);

    function nextRewardFor(address _recipient) external view returns (uint);

    function distribute() external returns (bool);

    function addRecipient(address _recipient, uint _rewardRate) external;

    function removeRecipient(uint _index, address _recipient) external;

    function setAdjustment(
        uint _index,
        bool _add,
        uint _rate,
        uint _target
    ) external;

    function updateCurrentRate(uint _index, uint _rate) external;
}

// 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
    );
}

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

interface IOwnableManagement {
    function manager() external view returns (address);

    function renounceManagement() external;

    function pushManagement(address newOwner_) external;

    function pullManagement() external;
}

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

interface ISolis {
    function burn(uint256 amount) external;
    function burnFrom(address account_, uint256 amount_) external;
}

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

interface IStSolis {
    function rebase(uint256 profit_, uint256 epoch_) external returns (uint256);
    function circulatingSupply() external view returns (uint);
    function balanceOf(address who) external view returns (uint);
    function gonsForBalance( uint amount ) external view returns ( uint );
    function balanceForGons( uint gons ) external view returns ( uint );
    function index() external view returns (uint);
}

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

interface IWarmup {
    function retrieve(address _staker, uint _amount) external;
}

// SPDX-License-Identifier: AGPL-3.0-or-later
pragma solidity 0.7.5;
import "./IOwnableManagement.sol";

contract OwnableManagement is IOwnableManagement {
      address internal _owner;
    address internal _newOwner;

    event OwnershipPushed(address indexed previousOwner, address indexed newOwner);
    event OwnershipPulled(address indexed previousOwner, address indexed newOwner);

    constructor () {
        _owner = msg.sender;
        emit OwnershipPushed( address(0), _owner );
    }

    function manager() public view override returns (address) {
        return _owner;
    }

    modifier onlyManager() {
        require( _owner == msg.sender, "Ownable: caller is not the owner" );
        _;
    }

    function renounceManagement() public virtual override onlyManager() {
        emit OwnershipPushed( _owner, address(0) );
        _owner = address(0);
    }

    function pushManagement( address newOwner_ ) public virtual override onlyManager() {
        require( newOwner_ != address(0), "Ownable: new owner is the zero address");
        emit OwnershipPushed( _owner, newOwner_ );
        _newOwner = newOwner_;
    }
    
    function pullManagement() public virtual override {
        require( msg.sender == _newOwner, "Ownable: must be new owner to pull");
        emit OwnershipPulled( _owner, _newOwner );
        _owner = _newOwner;
    }
}

// SPDX-License-Identifier: AGPL-3.0-or-later
pragma solidity 0.7.5;
import "./SafeMath.sol";
import "./Address.sol";
import "./IERC20.sol";

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));
    }

    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.

        // A Solidity high level call has three parts:
        //  1. The target address is checked to verify it contains contract code
        //  2. The call itself is made, and success asserted
        //  3. The return value is decoded, which in turn checks the size of the returned data.
        // solhint-disable-next-line max-line-length
        require(address(token).isContract(), "SafeERC20: call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = address(token).call(data);
        require(success, "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: AGPL-3.0-or-later
pragma solidity 0.7.5;

library SafeMath {
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");

        return c;
    }

    function add32(uint32 a, uint32 b) internal pure returns (uint32) {
        uint32 c = a + b;
        require(c >= a, "SafeMath: addition overflow");

        return c;
    }

    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return sub(a, b, "SafeMath: subtraction overflow");
    }

    function sub(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        uint256 c = a - b;

        return c;
    }

    function sub32(uint32 a, uint32 b) internal pure returns (uint32) {
        return sub32(a, b, "SafeMath: subtraction overflow");
    }

    function sub32(
        uint32 a,
        uint32 b,
        string memory errorMessage
    ) internal pure returns (uint32) {
        require(b <= a, errorMessage);
        uint32 c = a - b;

        return c;
    }

    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;
    }

    function mul32(uint32 a, uint32 b) internal pure returns (uint32) {
        if (a == 0) {
            return 0;
        }

        uint32 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");

        return c;
    }

    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return div(a, b, "SafeMath: division by zero");
    }

    function div(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        uint256 c = a / b;
        // assert(a == b * c + a % b); // There is no case in which this doesn't hold

        return c;
    }

    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        return mod(a, b, "SafeMath: modulo by zero");
    }

    function mod(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        require(b != 0, errorMessage);
        return a % b;
    }

    function sqrrt(uint256 a) internal pure returns (uint c) {
        if (a > 3) {
            c = a;
            uint b = add(div(a, 2), 1);
            while (b < c) {
                c = b;
                b = div(add(div(a, b), b), 2);
            }
        } else if (a != 0) {
            c = 1;
        }
    }

    function percentageAmount(
        uint256 total_,
        uint8 percentage_
    ) internal pure returns (uint256 percentAmount_) {
        return div(mul(total_, percentage_), 1000);
    }

    function substractPercentage(
        uint256 total_,
        uint8 percentageToSub_
    ) internal pure returns (uint256 result_) {
        return sub(total_, div(mul(total_, percentageToSub_), 1000));
    }

    function percentageOfTotal(
        uint256 part_,
        uint256 total_
    ) internal pure returns (uint256 percent_) {
        return div(mul(part_, 100), total_);
    }

    function average(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b) / 2 can overflow, so we distribute
        return (a / 2) + (b / 2) + (((a % 2) + (b % 2)) / 2);
    }

    function quadraticPricing(
        uint256 payment_,
        uint256 multiplier_
    ) internal pure returns (uint256) {
        return sqrrt(mul(multiplier_, payment_));
    }

    function bondingCurve(
        uint256 supply_,
        uint256 multiplier_
    ) internal pure returns (uint256) {
        return mul(multiplier_, supply_);
    }
}

{
  "optimizer": {
    "enabled": true,
    "runs": 1000
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_Solis","type":"address"},{"internalType":"address","name":"_stSolis","type":"address"},{"internalType":"uint32","name":"_epochLength","type":"uint32"},{"internalType":"uint256","name":"_firstEpochNumber","type":"uint256"},{"internalType":"uint32","name":"_firstEpochTime","type":"uint32"},{"internalType":"address","name":"_taxReceiver","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipPulled","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipPushed","type":"event"},{"inputs":[],"name":"Solis","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_recipient","type":"address"}],"name":"claim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"contractBalance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"distributor","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"epoch","outputs":[{"internalType":"uint256","name":"number","type":"uint256"},{"internalType":"uint256","name":"distribute","type":"uint256"},{"internalType":"uint32","name":"length","type":"uint32"},{"internalType":"uint32","name":"endTime","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"forfeit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"giveLockBonus","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"index","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"locker","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"manager","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pullManagement","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner_","type":"address"}],"name":"pushManagement","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"rebase","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceManagement","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"returnLockBonus","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"enum SolisStaking.CONTRACTS","name":"_contract","type":"uint8"},{"internalType":"address","name":"_address","type":"address"}],"name":"setContract","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_taxOnStake","type":"uint256"}],"name":"setTaxOnStake","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_taxOnUnstake","type":"uint256"}],"name":"setTaxOnUnstake","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_taxReceiver","type":"address"}],"name":"setTaxReceiver","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_warmupPeriod","type":"uint256"}],"name":"setWarmup","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"stSolis","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":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"taxOnStake","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"taxOnUnstake","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"toggleDepositLock","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"totalBonus","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"bool","name":"_trigger","type":"bool"}],"name":"unstake","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"warmupContract","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"warmupInfo","outputs":[{"internalType":"uint256","name":"deposit","type":"uint256"},{"internalType":"uint256","name":"gons","type":"uint256"},{"internalType":"uint256","name":"expiry","type":"uint256"},{"internalType":"bool","name":"lock","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"warmupPeriod","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"}]

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00000000000000000000000042ed764ec17ff0bc4a0d0e6c09d1d6444233effd000000000000000000000000246dd366204fc15fd0f9e0fa23c336245414d2c1000000000000000000000000000000000000000000000000000000000000708000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000067dea3c1000000000000000000000000f551a76ec6ba817bd0a4d796be80a77d9d98e94f

-----Decoded View---------------
Arg [0] : _Solis (address): 0x42ED764Ec17FF0bc4a0d0E6c09D1d6444233EfFD
Arg [1] : _stSolis (address): 0x246dD366204Fc15fD0f9e0fa23c336245414d2c1
Arg [2] : _epochLength (uint32): 28800
Arg [3] : _firstEpochNumber (uint256): 0
Arg [4] : _firstEpochTime (uint32): 1742644161
Arg [5] : _taxReceiver (address): 0xF551a76eC6Ba817BD0a4d796Be80a77d9d98E94f

-----Encoded View---------------
6 Constructor Arguments found :
Arg [0] : 00000000000000000000000042ed764ec17ff0bc4a0d0e6c09d1d6444233effd
Arg [1] : 000000000000000000000000246dd366204fc15fd0f9e0fa23c336245414d2c1
Arg [2] : 0000000000000000000000000000000000000000000000000000000000007080
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [4] : 0000000000000000000000000000000000000000000000000000000067dea3c1
Arg [5] : 000000000000000000000000f551a76ec6ba817bd0a4d796be80a77d9d98e94f