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0x2eEe219C9b43564Cb9eE21614771382EFc529a30
 

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Transfer*770183492023-02-25 14:26:35458 days ago1677335195IN
0x2eEe219C...EFc529a30
0 ETH0.000000160.001
Transfer*770181582023-02-25 14:25:50458 days ago1677335150IN
0x2eEe219C...EFc529a30
0 ETH0.00000020.001
Transfer*755456102023-02-20 10:18:30463 days ago1676888310IN
0x2eEe219C...EFc529a30
0 ETH0.000000220.001
Transfer*753811312023-02-19 16:03:02464 days ago1676822582IN
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0 ETH0.000000230.001
Transfer*738692982023-02-12 13:25:57471 days ago1676208357IN
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0 ETH0.000000220.001
Transfer*734527752023-02-10 11:33:15473 days ago1676028795IN
0x2eEe219C...EFc529a30
0 ETH0.000000160.001
Transfer*731250652023-02-09 10:49:21474 days ago1675939761IN
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0 ETH0.000000170.001
Transfer*717414632023-02-01 23:03:36481 days ago1675292616IN
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Transfer*717414202023-02-01 23:03:21481 days ago1675292601IN
0x2eEe219C...EFc529a30
0 ETH0.000000170.00100642
Transfer*715446662023-02-01 1:19:10482 days ago1675214350IN
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0 ETH0.000000220.001
Transfer*714335962023-01-31 9:23:23483 days ago1675157003IN
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0 ETH0.00000020.001
Transfer*713079052023-01-30 16:22:04484 days ago1675095724IN
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0 ETH0.000000190.001
Transfer*710650462023-01-29 9:58:02485 days ago1674986282IN
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0 ETH0.000000250.001
Transfer*709358592023-01-28 11:29:46486 days ago1674905386IN
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0 ETH0.000000220.001
Transfer*708512272023-01-27 22:59:41486 days ago1674860381IN
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0 ETH0.000000250.001
Transfer*707515292023-01-27 12:35:41487 days ago1674822941IN
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0 ETH0.000000250.001
Transfer*707070962023-01-27 6:15:12487 days ago1674800112IN
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0 ETH0.000000160.001
Transfer*707069182023-01-27 6:12:51487 days ago1674799971IN
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0 ETH0.000000270.001
Transfer*706561662023-01-26 21:49:56487 days ago1674769796IN
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0 ETH0.000000280.001
Transfer*706558872023-01-26 21:44:44487 days ago1674769484IN
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0 ETH0.000000190.001
Transfer*706059582023-01-26 15:19:26488 days ago1674746366IN
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0 ETH0.000000270.001
Transfer*705690962023-01-26 12:14:44488 days ago1674735284IN
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0 ETH0.000000220.001
Transfer*705675272023-01-26 12:02:08488 days ago1674734528IN
0x2eEe219C...EFc529a30
0 ETH0.000000250.001
Transfer*705670792023-01-26 11:59:07488 days ago1674734347IN
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0 ETH0.000000180.001
Transfer*705421722023-01-26 9:05:12488 days ago1674723912IN
0x2eEe219C...EFc529a30
0 ETH0.000000260.001
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386099822022-11-16 6:25:56559 days ago1668579956  Contract Creation0 ETH

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Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0x81de054E...0E6EB14a7
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
Pool

Compiler Version
v0.8.4+commit.c7e474f2

Optimization Enabled:
Yes with 10000 runs

Other Settings:
default evmVersion
File 1 of 11 : Pool.sol
/*
Pool

https://github.com/gysr-io/core

SPDX-License-Identifier: MIT
*/

pragma solidity 0.8.4;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";

import "./interfaces/IPool.sol";
import "./interfaces/IPoolFactory.sol";
import "./interfaces/IStakingModule.sol";
import "./interfaces/IRewardModule.sol";
import "./interfaces/IEvents.sol";
import "./OwnerController.sol";

/**
 * @title Pool
 *
 * @notice this implements the GYSR core Pool contract. It supports generalized
 * incentive mechanisms through a modular architecture, where
 * staking and reward logic is contained in child contracts.
 */
contract Pool is IPool, IEvents, ReentrancyGuard, OwnerController {
    using SafeERC20 for IERC20;

    // constants
    uint256 public constant DECIMALS = 18;

    // modules
    IStakingModule private immutable _staking;
    IRewardModule private immutable _reward;

    // gysr fields
    IERC20 private immutable _gysr;
    IPoolFactory private immutable _factory;
    uint256 private _gysrVested;

    /**
     * @param staking_ the staking module address
     * @param reward_ the reward module address
     * @param gysr_ address for GYSR token
     * @param factory_ address for parent factory
     */
    constructor(
        address staking_,
        address reward_,
        address gysr_,
        address factory_
    ) {
        _staking = IStakingModule(staking_);
        _reward = IRewardModule(reward_);
        _gysr = IERC20(gysr_);
        _factory = IPoolFactory(factory_);
    }

    // -- IPool --------------------------------------------------------------

    /**
     * @inheritdoc IPool
     */
    function stakingTokens() external view override returns (address[] memory) {
        return _staking.tokens();
    }

    /**
     * @inheritdoc IPool
     */
    function rewardTokens() external view override returns (address[] memory) {
        return _reward.tokens();
    }

    /**
     * @inheritdoc IPool
     */
    function stakingBalances(address user)
        external
        view
        override
        returns (uint256[] memory)
    {
        return _staking.balances(user);
    }

    /**
     * @inheritdoc IPool
     */
    function stakingTotals() external view override returns (uint256[] memory) {
        return _staking.totals();
    }

    /**
     * @inheritdoc IPool
     */
    function rewardBalances()
        external
        view
        override
        returns (uint256[] memory)
    {
        return _reward.balances();
    }

    /**
     * @inheritdoc IPool
     */
    function usage() external view override returns (uint256) {
        return _reward.usage();
    }

    /**
     * @inheritdoc IPool
     */
    function stakingModule() external view override returns (address) {
        return address(_staking);
    }

    /**
     * @inheritdoc IPool
     */
    function rewardModule() external view override returns (address) {
        return address(_reward);
    }

    /**
     * @inheritdoc IPool
     */
    function stake(
        uint256 amount,
        bytes calldata stakingdata,
        bytes calldata rewarddata
    ) external override nonReentrant {
        (address account, uint256 shares) =
            _staking.stake(msg.sender, amount, stakingdata);
        (uint256 spent, uint256 vested) =
            _reward.stake(account, msg.sender, shares, rewarddata);
        _processGysr(spent, vested);
    }

    /**
     * @inheritdoc IPool
     */
    function unstake(
        uint256 amount,
        bytes calldata stakingdata,
        bytes calldata rewarddata
    ) external override nonReentrant {
        (address account, uint256 shares) =
            _staking.unstake(msg.sender, amount, stakingdata);
        (uint256 spent, uint256 vested) =
            _reward.unstake(account, msg.sender, shares, rewarddata);
        _processGysr(spent, vested);
    }

    /**
     * @inheritdoc IPool
     */
    function claim(
        uint256 amount,
        bytes calldata stakingdata,
        bytes calldata rewarddata
    ) external override nonReentrant {
        (address account, uint256 shares) =
            _staking.claim(msg.sender, amount, stakingdata);
        (uint256 spent, uint256 vested) =
            _reward.claim(account, msg.sender, shares, rewarddata);
        _processGysr(spent, vested);
    }

    /**
     * @inheritdoc IPool
     */
    function update() external override nonReentrant {
        _staking.update(msg.sender);
        _reward.update(msg.sender);
    }

    /**
     * @inheritdoc IPool
     */
    function clean() external override nonReentrant {
        requireController();
        _staking.clean();
        _reward.clean();
    }

    /**
     * @inheritdoc IPool
     */
    function gysrBalance() external view override returns (uint256) {
        return _gysrVested;
    }

    /**
     * @inheritdoc IPool
     */
    function withdraw(uint256 amount) external override {
        requireController();
        require(amount > 0, "p1");
        require(amount <= _gysrVested, "p2");

        // do transfer
        _gysr.safeTransfer(msg.sender, amount);

        _gysrVested = _gysrVested - amount;

        emit GysrWithdrawn(amount);
    }

    /**
     * @notice transfer control of the Pool and modules to another account
     * @param newController address of new controller
     */
    function transferControl(address newController) public override {
        super.transferControl(newController);
        _staking.transferControl(newController);
        _reward.transferControl(newController);
    }

    // -- Pool internal -----------------------------------------------------

    /**
     * @dev private method to process GYSR spending and vesting
     * @param spent number of tokens spent by user
     * @param vested number of tokens vested
     */
    function _processGysr(uint256 spent, uint256 vested) private {
        // spending
        if (spent > 0) {
            _gysr.safeTransferFrom(msg.sender, address(this), spent);
        }

        // vesting
        if (vested > 0) {
            uint256 fee = (vested * _factory.fee()) / 10**DECIMALS;
            if (fee > 0) {
                _gysr.safeTransfer(_factory.treasury(), fee);
            }
            _gysrVested = _gysrVested + vested - fee;
        }
    }
}

File 2 of 11 : Address.sol
// SPDX-License-Identifier: MIT

pragma solidity ^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);
            }
        }
    }
}

File 3 of 11 : SafeERC20.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../IERC20.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'
        // 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) + 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));
        }
    }

    /**
     * @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");
        }
    }
}

File 4 of 11 : IERC20.sol
// SPDX-License-Identifier: MIT

pragma solidity ^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);
}

File 5 of 11 : ReentrancyGuard.sol
// SPDX-License-Identifier: MIT

pragma solidity ^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 () {
        _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;
    }
}

File 6 of 11 : IStakingModule.sol
/*
IStakingModule

https://github.com/gysr-io/core

SPDX-License-Identifier: MIT
*/

pragma solidity 0.8.4;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";

import "./IEvents.sol";

import "../OwnerController.sol";

/**
 * @title Staking module interface
 *
 * @notice this contract defines the common interface that any staking module
 * must implement to be compatible with the modular Pool architecture.
 */
abstract contract IStakingModule is OwnerController, IEvents {
    // constants
    uint256 public constant DECIMALS = 18;

    /**
     * @return array of staking tokens
     */
    function tokens() external view virtual returns (address[] memory);

    /**
     * @notice get balance of user
     * @param user address of user
     * @return balances of each staking token
     */
    function balances(address user)
        external
        view
        virtual
        returns (uint256[] memory);

    /**
     * @return address of module factory
     */
    function factory() external view virtual returns (address);

    /**
     * @notice get total staked amount
     * @return totals for each staking token
     */
    function totals() external view virtual returns (uint256[] memory);

    /**
     * @notice stake an amount of tokens for user
     * @param user address of user
     * @param amount number of tokens to stake
     * @param data additional data
     * @return address of staking account
     * @return number of shares minted for stake
     */
    function stake(
        address user,
        uint256 amount,
        bytes calldata data
    ) external virtual returns (address, uint256);

    /**
     * @notice unstake an amount of tokens for user
     * @param user address of user
     * @param amount number of tokens to unstake
     * @param data additional data
     * @return address of staking account
     * @return number of shares burned for unstake
     */
    function unstake(
        address user,
        uint256 amount,
        bytes calldata data
    ) external virtual returns (address, uint256);

    /**
     * @notice quote the share value for an amount of tokens without unstaking
     * @param user address of user
     * @param amount number of tokens to claim with
     * @param data additional data
     * @return address of staking account
     * @return number of shares that the claim amount is worth
     */
    function claim(
        address user,
        uint256 amount,
        bytes calldata data
    ) external virtual returns (address, uint256);

    /**
     * @notice method called by anyone to update accounting
     * @param user address of user for update
     * @dev will only be called ad hoc and should not contain essential logic
     */
    function update(address user) external virtual;

    /**
     * @notice method called by owner to clean up and perform additional accounting
     * @dev will only be called ad hoc and should not contain any essential logic
     */
    function clean() external virtual;
}

File 7 of 11 : IRewardModule.sol
/*
IRewardModule

https://github.com/gysr-io/core

SPDX-License-Identifier: MIT
*/

pragma solidity 0.8.4;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";

import "./IEvents.sol";

import "../OwnerController.sol";

/**
 * @title Reward module interface
 *
 * @notice this contract defines the common interface that any reward module
 * must implement to be compatible with the modular Pool architecture.
 */
abstract contract IRewardModule is OwnerController, IEvents {
    // constants
    uint256 public constant DECIMALS = 18;

    /**
     * @return array of reward tokens
     */
    function tokens() external view virtual returns (address[] memory);

    /**
     * @return array of reward token balances
     */
    function balances() external view virtual returns (uint256[] memory);

    /**
     * @return GYSR usage ratio for reward module
     */
    function usage() external view virtual returns (uint256);

    /**
     * @return address of module factory
     */
    function factory() external view virtual returns (address);

    /**
     * @notice perform any necessary accounting for new stake
     * @param account address of staking account
     * @param user address of user
     * @param shares number of new shares minted
     * @param data addtional data
     * @return amount of gysr spent
     * @return amount of gysr vested
     */
    function stake(
        address account,
        address user,
        uint256 shares,
        bytes calldata data
    ) external virtual returns (uint256, uint256);

    /**
     * @notice reward user and perform any necessary accounting for unstake
     * @param account address of staking account
     * @param user address of user
     * @param shares number of shares burned
     * @param data additional data
     * @return amount of gysr spent
     * @return amount of gysr vested
     */
    function unstake(
        address account,
        address user,
        uint256 shares,
        bytes calldata data
    ) external virtual returns (uint256, uint256);

    /**
     * @notice reward user and perform and necessary accounting for existing stake
     * @param account address of staking account
     * @param user address of user
     * @param shares number of shares being claimed against
     * @param data addtional data
     * @return amount of gysr spent
     * @return amount of gysr vested
     */
    function claim(
        address account,
        address user,
        uint256 shares,
        bytes calldata data
    ) external virtual returns (uint256, uint256);

    /**
     * @notice method called by anyone to update accounting
     * @param user address of user for update
     * @dev will only be called ad hoc and should not contain essential logic
     */
    function update(address user) external virtual;

    /**
     * @notice method called by owner to clean up and perform additional accounting
     * @dev will only be called ad hoc and should not contain any essential logic
     */
    function clean() external virtual;
}

File 8 of 11 : IPoolFactory.sol
/*
IPoolFactory

https://github.com/gysr-io/core

SPDX-License-Identifier: MIT
*/

pragma solidity 0.8.4;

/**
 * @title Pool factory interface
 *
 * @notice this defines the Pool factory interface, primarily intended for
 * the Pool contract to interact with
 */
interface IPoolFactory {
    /**
     * @return GYSR treasury address
     */
    function treasury() external view returns (address);

    /**
     * @return GYSR spending fee
     */
    function fee() external view returns (uint256);
}

File 9 of 11 : IPool.sol
/*
IPool

https://github.com/gysr-io/core

SPDX-License-Identifier: MIT
*/

pragma solidity 0.8.4;

/**
 * @title Pool interface
 *
 * @notice this defines the core Pool contract interface
 */
interface IPool {
    /**
     * @return staking tokens for Pool
     */
    function stakingTokens() external view returns (address[] memory);

    /**
     * @return reward tokens for Pool
     */
    function rewardTokens() external view returns (address[] memory);

    /**
     * @return staking balances for user
     */
    function stakingBalances(address user)
        external
        view
        returns (uint256[] memory);

    /**
     * @return total staking balances for Pool
     */
    function stakingTotals() external view returns (uint256[] memory);

    /**
     * @return reward balances for Pool
     */
    function rewardBalances() external view returns (uint256[] memory);

    /**
     * @return GYSR usage ratio for Pool
     */
    function usage() external view returns (uint256);

    /**
     * @return address of staking module
     */
    function stakingModule() external view returns (address);

    /**
     * @return address of reward module
     */
    function rewardModule() external view returns (address);

    /**
     * @notice stake asset and begin earning rewards
     * @param amount number of tokens to stake
     * @param stakingdata data passed to staking module
     * @param rewarddata data passed to reward module
     */
    function stake(
        uint256 amount,
        bytes calldata stakingdata,
        bytes calldata rewarddata
    ) external;

    /**
     * @notice unstake asset and claim rewards
     * @param amount number of tokens to unstake
     * @param stakingdata data passed to staking module
     * @param rewarddata data passed to reward module
     */
    function unstake(
        uint256 amount,
        bytes calldata stakingdata,
        bytes calldata rewarddata
    ) external;

    /**
     * @notice claim rewards without unstaking
     * @param amount number of tokens to claim against
     * @param stakingdata data passed to staking module
     * @param rewarddata data passed to reward module
     */
    function claim(
        uint256 amount,
        bytes calldata stakingdata,
        bytes calldata rewarddata
    ) external;

    /**
     * @notice method called ad hoc to update user accounting
     */
    function update() external;

    /**
     * @notice method called ad hoc to clean up and perform additional accounting
     */
    function clean() external;

    /**
     * @return gysr balance available for withdrawal
     */
    function gysrBalance() external view returns (uint256);

    /**
     * @notice withdraw GYSR tokens applied during unstaking
     * @param amount number of GYSR to withdraw
     */
    function withdraw(uint256 amount) external;
}

File 10 of 11 : IEvents.sol
/*
IEvents

https://github.com/gysr-io/core

SPDX-License-Identifier: MIT
 */

pragma solidity 0.8.4;

/**
 * @title GYSR event system
 *
 * @notice common interface to define GYSR event system
 */
interface IEvents {
    // staking
    event Staked(
        address indexed user,
        address indexed token,
        uint256 amount,
        uint256 shares
    );
    event Unstaked(
        address indexed user,
        address indexed token,
        uint256 amount,
        uint256 shares
    );
    event Claimed(
        address indexed user,
        address indexed token,
        uint256 amount,
        uint256 shares
    );

    // rewards
    event RewardsDistributed(
        address indexed user,
        address indexed token,
        uint256 amount,
        uint256 shares
    );
    event RewardsFunded(
        address indexed token,
        uint256 amount,
        uint256 shares,
        uint256 timestamp
    );
    event RewardsUnlocked(address indexed token, uint256 shares);
    event RewardsExpired(
        address indexed token,
        uint256 amount,
        uint256 shares,
        uint256 timestamp
    );

    // gysr
    event GysrSpent(address indexed user, uint256 amount);
    event GysrVested(address indexed user, uint256 amount);
    event GysrWithdrawn(uint256 amount);
}

File 11 of 11 : OwnerController.sol
/*
OwnerController

https://github.com/gysr-io/core

SPDX-License-Identifier: MIT
*/

pragma solidity 0.8.4;

/**
 * @title Owner controller
 *
 * @notice this base contract implements an owner-controller access model.
 *
 * @dev the contract is an adapted version of the OpenZeppelin Ownable contract.
 * It allows the owner to designate an additional account as the controller to
 * perform restricted operations.
 *
 * Other changes include supporting role verification with a require method
 * in addition to the modifier option, and removing some unneeded functionality.
 *
 * Original contract here:
 * https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/access/Ownable.sol
 */
contract OwnerController {
    address private _owner;
    address private _controller;

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

    event ControlTransferred(
        address indexed previousController,
        address indexed newController
    );

    constructor() {
        _owner = msg.sender;
        _controller = msg.sender;
        emit OwnershipTransferred(address(0), _owner);
        emit ControlTransferred(address(0), _owner);
    }

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

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

    /**
     * @dev Modifier that throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(_owner == msg.sender, "oc1");
        _;
    }

    /**
     * @dev Modifier that throws if called by any account other than the controller.
     */
    modifier onlyController() {
        require(_controller == msg.sender, "oc2");
        _;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    function requireOwner() internal view {
        require(_owner == msg.sender, "oc1");
    }

    /**
     * @dev Throws if called by any account other than the controller.
     */
    function requireController() internal view {
        require(_controller == msg.sender, "oc2");
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`). This can
     * include renouncing ownership by transferring to the zero address.
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual {
        requireOwner();
        require(newOwner != address(0), "oc3");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }

    /**
     * @dev Transfers control of the contract to a new account (`newController`).
     * Can only be called by the owner.
     */
    function transferControl(address newController) public virtual {
        requireOwner();
        require(newController != address(0), "oc4");
        emit ControlTransferred(_controller, newController);
        _controller = newController;
    }
}

Settings
{
  "remappings": [],
  "optimizer": {
    "enabled": true,
    "runs": 10000
  },
  "evmVersion": "istanbul",
  "libraries": {},
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

Contract Security Audit

Contract ABI

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e":"function"},{"inputs":[],"name":"rewardTokens","outputs":[{"internalType":"address[]","name":"","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bytes","name":"stakingdata","type":"bytes"},{"internalType":"bytes","name":"rewarddata","type":"bytes"}],"name":"stake","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"stakingBalances","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"stakingModule","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"stakingTokens","outputs":[{"internalType":"address[]","name":"","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"stakingTotals","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newController","type":"address"}],"name":"transferControl","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bytes","name":"stakingdata","type":"bytes"},{"internalType":"bytes","name":"rewarddata","type":"bytes"}],"name":"unstake","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"update","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"usage","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

Deployed Bytecode

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