Contract 0x5ef1B1Bf27363e3728Eb3edef4e0B8a97C01d845 1

 
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0x57bee87a23f97f2685feae15f1d1a22476253032a3a7f66e154482dff0da6de90x6129e0611056471142023-06-16 5:23:25250 days 16 hrs agoGYSR: Deployer IN  Create: ERC20MultiRewardModuleInfo0 ETH0.0015222904450.000001053
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Contract Source Code Verified (Exact Match)

Contract Name:
ERC20MultiRewardModuleInfo

Compiler Version
v0.8.18+commit.87f61d96

Optimization Enabled:
Yes with 10000 runs

Other Settings:
default evmVersion
File 1 of 18 : ReentrancyGuard.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (security/ReentrancyGuard.sol)

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 making it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        _nonReentrantBefore();
        _;
        _nonReentrantAfter();
    }

    function _nonReentrantBefore() private {
        // On the first call to nonReentrant, _status will be _NOT_ENTERED
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

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

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

File 2 of 18 : 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 18 : IERC20Metadata.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 *
 * _Available since v4.1._
 */
interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the symbol of the token.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}

File 4 of 18 : 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 5 of 18 : 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 6 of 18 : 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 7 of 18 : ERC20BaseRewardModule.sol
/*
ERC20BaseRewardModule

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

SPDX-License-Identifier: MIT
*/

pragma solidity 0.8.18;

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

import "./interfaces/IRewardModule.sol";
import "./OwnerController.sol";
import "./TokenUtils.sol";

/**
 * @title ERC20 base reward module
 *
 * @notice this abstract class implements common ERC20 funding and unlocking
 * logic, which is inherited by other reward modules.
 */
abstract contract ERC20BaseRewardModule is
    IRewardModule,
    ReentrancyGuard,
    OwnerController
{
    using SafeERC20 for IERC20;
    using TokenUtils for IERC20;

    // single funding/reward schedule
    struct Funding {
        uint256 amount;
        uint256 shares;
        uint256 locked;
        uint64 updated;
        uint64 start;
        uint64 duration;
    }

    // constants
    uint256 public constant MAX_ACTIVE_FUNDINGS = 16;

    // funding/reward state fields
    mapping(address => Funding[]) private _fundings;
    mapping(address => uint256) private _shares;
    mapping(address => uint256) private _locked;

    /**
     * @notice getter for total token shares
     */
    function totalShares(address token) public view returns (uint256) {
        return _shares[token];
    }

    /**
     * @notice getter for total locked token shares
     */
    function lockedShares(address token) public view returns (uint256) {
        return _locked[token];
    }

    /**
     * @notice getter for funding schedule struct
     */
    function fundings(
        address token,
        uint256 index
    )
        public
        view
        returns (
            uint256 amount,
            uint256 shares,
            uint256 locked,
            uint256 updated,
            uint256 start,
            uint256 duration
        )
    {
        Funding storage f = _fundings[token][index];
        return (f.amount, f.shares, f.locked, f.updated, f.start, f.duration);
    }

    /**
     * @param token contract address of reward token
     * @return number of active funding schedules
     */
    function fundingCount(address token) public view returns (uint256) {
        return _fundings[token].length;
    }

    /**
     * @notice compute number of unlockable shares for a specific funding schedule
     * @param token contract address of reward token
     * @param idx index of the funding
     * @return the number of unlockable shares
     */
    function unlockable(
        address token,
        uint256 idx
    ) public view returns (uint256) {
        Funding storage funding = _fundings[token][idx];
        return _unlockable(funding);
    }

    /**
     * @notice internal method to compute number of unlockable shares for a specific funding schedule
     * @param funding the funding schedule struct of interest
     * @return the number of unlockable shares
     */
    function _unlockable(
        Funding storage funding
    ) private view returns (uint256) {
        // funding schedule is in future
        if (block.timestamp < funding.start) {
            return 0;
        }
        // empty
        if (funding.locked == 0) {
            return 0;
        }
        // handle zero-duration period or leftover dust from integer division
        if (block.timestamp >= funding.start + funding.duration) {
            return funding.locked;
        }

        return
            ((block.timestamp - funding.updated) * funding.shares) /
            funding.duration;
    }

    /**
     * @notice fund pool by locking up reward tokens for future distribution
     * @param token contract address of reward token
     * @param amount number of reward tokens to lock up as funding
     * @param duration period (seconds) over which funding will be unlocked
     * @param start time (seconds) at which funding begins to unlock
     * @param feeReceiver address to receive funding fee
     * @param feeRate portion of funding amount to take as fee
     */
    function _fund(
        address token,
        uint256 amount,
        uint256 duration,
        uint256 start,
        address feeReceiver,
        uint256 feeRate
    ) internal nonReentrant {
        requireController();
        // validate
        require(token != address(0));
        require(amount > 0, "rm1");
        require(start >= block.timestamp, "rm2");
        require(_fundings[token].length < MAX_ACTIVE_FUNDINGS, "rm3");

        IERC20 rewardToken = IERC20(token);
        uint256 minted = rewardToken.receiveWithFee(
            _shares[token],
            msg.sender,
            amount,
            feeReceiver,
            feeRate
        );

        _locked[token] += minted;
        _shares[token] += minted;

        // create new funding
        _fundings[token].push(
            Funding({
                amount: amount,
                shares: minted,
                locked: minted,
                updated: uint64(start),
                start: uint64(start),
                duration: uint64(duration)
            })
        );

        emit RewardsFunded(token, amount, minted, start);
    }

    /**
     * @dev internal function to clean up stale funding schedules
     * @param token contract address of reward token to clean up
     */
    function _clean(address token) internal {
        // check for stale funding schedules to expire
        uint256 removed = 0;
        uint256 originalSize = _fundings[token].length;
        for (uint256 i; i < originalSize; ) {
            uint256 idx = i - removed;
            Funding storage funding = _fundings[token][idx];
            if (
                _unlockable(funding) == 0 &&
                block.timestamp >= funding.start + funding.duration
            ) {
                emit RewardsExpired(
                    token,
                    funding.amount,
                    funding.shares,
                    funding.start
                );

                // remove at idx by copying last element here, then popping off last
                // (we don't care about order)
                _fundings[token][idx] = _fundings[token][
                    _fundings[token].length - 1
                ];
                _fundings[token].pop();
                removed++;
            }
            unchecked {
                ++i;
            }
        }
    }

    /**
     * @dev unlocks reward tokens based on funding schedules
     * @param token contract addres of reward token
     * @return shares number of shares unlocked
     */
    function _unlockTokens(address token) internal returns (uint256 shares) {
        // get unlockable shares for each funding schedule
        uint256 len = _fundings[token].length;
        for (uint256 i; i < len; ) {
            Funding storage funding = _fundings[token][i];
            uint256 s = _unlockable(funding);
            if (s > 0) {
                funding.locked -= s;
                funding.updated = uint64(block.timestamp);
                shares += s;
            }
            unchecked {
                ++i;
            }
        }

        // do unlocking
        if (shares > 0) {
            _locked[token] -= shares;
        }
    }

    /**
     * @dev distribute reward tokens to user
     * @param user address of user receiving rweard
     * @param token contract address of reward token
     * @param shares number of shares to be distributed
     * @return amount number of reward tokens distributed
     */
    function _distribute(
        address user,
        address token,
        uint256 shares
    ) internal returns (uint256 amount) {
        // compute reward amount in tokens
        IERC20 rewardToken = IERC20(token);
        uint256 total = _shares[token];
        amount = rewardToken.getAmount(total, shares);

        // update overall reward shares
        _shares[token] = total - shares;

        // do reward
        rewardToken.safeTransfer(user, amount);
        emit RewardsDistributed(user, token, amount, shares);
    }
}

File 8 of 18 : ERC20MultiRewardModule.sol
/*
ERC20MultiRewardModule

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

SPDX-License-Identifier: MIT
*/

pragma solidity 0.8.18;

import "./interfaces/IRewardModule.sol";
import "./interfaces/IConfiguration.sol";
import "./ERC20BaseRewardModule.sol";
import "./GysrUtils.sol";

/**
 * @title ERC20 multi reward module
 *
 * @notice this reward module distributes multiple ERC20 token as the staking reward.
 * It is designed to offer simple and flexible reward mechanics.
 *
 * @dev each reward token is opt-in and must be specified during user operations.
 * Rewards are immutable once earned, and can be claimed by the user at
 * any time. The module can be configured with a linear vesting schedule to
 * incentivize longer term staking.
 */
contract ERC20MultiRewardModule is ERC20BaseRewardModule {
    using GysrUtils for uint256;
    using TokenUtils for IERC20;

    // single stake by user
    struct Stake {
        uint256 shares;
        mapping(address => uint256) registered; // accumulator value when registered for reward
        uint128 timestamp;
        uint128 count;
    }

    // reward data for single token
    struct Reward {
        uint256 stakingShares;
        uint256 accumulator; // accumulator for reward shares per staking share
        uint256 dust; // placeholder to track earnings to be put back into the pool
    }

    // constant
    uint256 public constant MAX_TOKENS = 128; // only for viewing balances

    // data
    mapping(bytes32 => Stake[]) public stakes;
    mapping(address => Reward) public rewards;
    address[] private _tokens;

    // configuration
    uint256 public immutable vestingStart;
    uint256 public immutable vestingPeriod;
    address private immutable _factory;
    IConfiguration private immutable _config;

    /**
     * @param vestingStart_ minimum vesting portion earned
     * @param vestingPeriod_ period (in seconds) over which user positions fully vest
     * @param config_ address for configuration contract
     * @param factory_ address of module factory
     */
    constructor(
        uint256 vestingStart_,
        uint256 vestingPeriod_,
        address config_,
        address factory_
    ) {
        require(vestingStart_ <= 1e18, "mrm1");

        _config = IConfiguration(config_);
        _factory = factory_;

        vestingStart = vestingStart_;
        vestingPeriod = vestingPeriod_;
    }

    /**
     * @inheritdoc IRewardModule
     */
    function tokens()
        external
        view
        override
        returns (address[] memory tokens_)
    {
        return _tokens;
    }

    /**
     * @inheritdoc IRewardModule
     */
    function factory() external view override returns (address) {
        return _factory;
    }

    /**
     * @inheritdoc IRewardModule
     */
    function balances()
        external
        view
        override
        returns (uint256[] memory balances_)
    {
        uint256 len = _tokens.length;
        if (len > MAX_TOKENS) len = MAX_TOKENS;
        balances_ = new uint256[](len);
        for (uint256 i; i < len; ++i) {
            balances_[i] = IERC20(_tokens[i]).getAmount(
                totalShares(_tokens[i]),
                lockedShares(_tokens[i])
            );
        }
    }

    /**
     * @inheritdoc IRewardModule
     */
    function usage() external pure override returns (uint256) {
        return 0.0;
    }

    /**
     * @inheritdoc IRewardModule
     */
    function stake(
        bytes32 account,
        address,
        uint256 shares,
        bytes calldata data
    ) external override onlyOwner returns (uint256, uint256) {
        require(data.length % 32 == 0, "mrm2");
        uint256 count = data.length / 32;
        require(count <= _tokens.length, "mrm3");

        // create new user stake
        Stake storage s = stakes[account].push();
        s.shares = shares;
        s.timestamp = uint128(block.timestamp);
        s.count = uint64(count);

        for (uint256 i; i < count; ) {
            // get token address
            address addr;
            uint256 pos = 164 + 32 * i;
            assembly {
                addr := calldataload(pos)
            }
            _update(addr);

            // update staking data
            require(s.registered[addr] == 0, "mrm4"); // no duplicates
            s.registered[addr] = rewards[addr].accumulator;
            rewards[addr].stakingShares += shares;
            unchecked {
                ++i;
            }
        }

        return (0, 0);
    }

    /**
     * @inheritdoc IRewardModule
     */
    function unstake(
        bytes32 account,
        address,
        address receiver,
        uint256 shares,
        bytes calldata data
    ) external override onlyOwner returns (uint256, uint256) {
        require(data.length % 32 == 0, "mrm5");
        uint256 count = data.length / 32;
        require(count <= _tokens.length, "mrm6");

        address[] memory tkns = new address[](count);
        for (uint256 i; i < count; ) {
            // get token address
            uint256 pos = 196 + 32 * i;
            address addr;
            assembly {
                addr := calldataload(pos)
            }
            tkns[i] = addr;
            // verify no duplicates
            for (uint256 j; j < i; ) {
                require(addr != tkns[j], "mrm7");
                unchecked {
                    ++j;
                }
            }
            // update token
            _update(addr);
            unchecked {
                ++i;
            }
        }

        // setup
        uint256[] memory earnings = new uint256[](count);
        uint256 remaining = shares;

        Stake[] storage userStakes = stakes[account];

        // redeem first-in-last-out
        while (remaining > 0) {
            Stake storage s = userStakes[userStakes.length - 1];
            uint256 sh = s.shares;
            uint256 vesting = _vesting(s.timestamp);

            uint256 unique;
            for (uint256 i; i < count; ++i) {
                // get token address
                address addr = tkns[i];

                // not registered
                if (s.registered[addr] == 0) continue;

                if (sh <= remaining) {
                    // fully redeem stake
                    earnings[i] += _reward(
                        sh,
                        addr,
                        s.registered[addr],
                        vesting
                    );

                    // clear reward token data for this stake
                    s.registered[addr] = 0;
                    rewards[addr].stakingShares -= sh;
                } else {
                    // partially redeem stake
                    earnings[i] += _reward(
                        remaining,
                        addr,
                        s.registered[addr],
                        vesting
                    );
                    // decrease reward token stake
                    rewards[addr].stakingShares -= remaining;
                }
                ++unique;
            }

            require(unique == s.count, "mrm8");

            if (sh <= remaining) {
                // fully redeem stake
                remaining -= sh;
                userStakes.pop();
            } else {
                // partially redeem stake
                s.shares = sh - remaining;
                remaining = 0;
            }
        }

        // distribute rewards
        for (uint256 i; i < count; ) {
            if (earnings[i] > 0) {
                _distribute(receiver, tkns[i], earnings[i]);
            }
            unchecked {
                ++i;
            }
        }

        return (0, 0);
    }

    /**
     * @inheritdoc IRewardModule
     *
     * @dev claim rewards on specified tokens, optionally specify stakes, and optionally deregister
     * @param data (bool continue, uint256 start, uint256 end, address[] tokens)
     */
    function claim(
        bytes32 account,
        address,
        address receiver,
        uint256,
        bytes calldata data
    ) external override onlyOwner returns (uint256, uint256) {
        // validate
        require(data.length > 96, "mrm9");
        require(data.length % 32 == 0, "mrm10");
        uint256 count = data.length / 32 - 3;
        require(count <= _tokens.length, "mrm11");
        // count > 0 implied by above

        bool cont; // continue earning or deregister
        uint256 index; // start claim index
        uint256 end; // end of claim index range, exclusive
        assembly {
            cont := calldataload(196)
            index := calldataload(228)
            end := calldataload(260)
        }
        require(index < end, "mrm12");
        Stake[] storage userStakes = stakes[account];
        require(end <= userStakes.length, "mrm13");

        address[] memory tkns = new address[](count);
        for (uint256 i; i < count; ) {
            // get token address
            uint256 pos = 292 + 32 * i;
            address addr;
            assembly {
                addr := calldataload(pos)
            }
            tkns[i] = addr;
            // verify no duplicates
            for (uint256 j; j < i; ) {
                require(addr != tkns[j], "mrm14");
                unchecked {
                    ++j;
                }
            }
            // update token
            _update(addr);
            unchecked {
                ++i;
            }
        }

        uint256[] memory earnings = new uint256[](count);

        for (; index < end; ) {
            Stake storage s = userStakes[index];
            uint256 sh = s.shares;
            uint256 vesting = _vesting(s.timestamp); // coeff

            for (uint256 i; i < count; ++i) {
                address addr = tkns[i];

                // not registered
                if (s.registered[addr] == 0) continue;
                // compute rewards with vesting
                earnings[i] += _reward(sh, addr, s.registered[addr], vesting);

                // continue earning or opt out
                if (cont) {
                    s.registered[addr] = rewards[addr].accumulator;
                } else {
                    s.registered[addr] = 0;
                    s.count--;
                    rewards[addr].stakingShares -= sh;
                }
            }
            unchecked {
                ++index;
            }
        }
        // distribute rewards
        for (uint256 i; i < count; ) {
            if (earnings[i] > 0) {
                _distribute(receiver, tkns[i], earnings[i]);
            }
            unchecked {
                ++i;
            }
        }

        return (0, 0);
    }

    /**
     * @inheritdoc IRewardModule
     *
     * @dev register for specified rewards token on existing stake
     * @param (uint256 start, uint256 end, address[] tokens)
     */
    function update(
        bytes32 account,
        address,
        bytes calldata data
    ) external override {
        requireOwner();

        if (data.length == 0) return; // empty data indicates skip

        // validate
        require(data.length > 64, "mrm15");
        require(data.length % 32 == 0, "mrm16");
        uint256 count = data.length / 32 - 2;
        require(count <= _tokens.length, "mrm17");
        // count > 0 implied by above

        uint256 index; // start claim index
        uint256 end; // end of claim index range, exclusive
        assembly {
            index := calldataload(132)
            end := calldataload(164)
        }
        require(index < end, "mrm18");
        require(end <= stakes[account].length, "mrm19");

        for (uint256 i; i < count; ) {
            uint256 pos = 196 + 32 * i;
            address addr;
            assembly {
                addr := calldataload(pos)
            }
            // verify no duplicates
            for (uint256 j; j < i; ) {
                pos = 196 + 32 * j;
                address prev;
                assembly {
                    prev := calldataload(pos)
                }
                require(addr != prev, "mrm20");
                unchecked {
                    ++j;
                }
            }
            // update token
            _update(addr);

            for (uint256 j = index; j < end; ++j) {
                if (stakes[account][j].registered[addr] > 0) continue;
                stakes[account][j].count++;
                stakes[account][j].registered[addr] = rewards[addr].accumulator;
                rewards[addr].stakingShares += stakes[account][j].shares;
            }
            unchecked {
                ++i;
            }
        }

        emit RewardsUpdated(account);
    }

    /**
     * @notice method called ad hoc to clean up and perform additional accounting
     * @dev will only be called manually, and should not contain any essential logic
     */
    function clean(bytes calldata data) external override {
        requireOwner();

        if (data.length == 0) return; // empty data indicates skip

        // validate
        require(data.length % 32 == 0, "mrm21");
        uint256 count = data.length / 32;
        require(count <= _tokens.length, "mrm22");

        // for each token
        for (uint256 i; i < count; ++i) {
            uint256 pos = 68 + 32 * i;
            address addr;
            assembly {
                addr := calldataload(pos)
            }
            // do update and clean
            _update(addr);
            _clean(addr);
        }
    }

    /**
     * @notice fund module by locking up reward tokens for distribution
     * @param token address of reward token
     * @param amount number of reward tokens to lock up as funding
     * @param duration period (seconds) over which funding will be unlocked
     */
    function fund(address token, uint256 amount, uint256 duration) external {
        _fund(token, amount, duration, block.timestamp);
    }

    /**
     * @notice fund module by locking up reward tokens for distribution
     * @param token address of reward token
     * @param amount number of reward tokens to lock up as funding
     * @param duration period (seconds) over which funding will be unlocked
     * @param start time (seconds) at which funding begins to unlock
     */
    function fund(
        address token,
        uint256 amount,
        uint256 duration,
        uint256 start
    ) external {
        _fund(token, amount, duration, start);
    }

    /**
     * @dev private helper method for funding with market initialization and fee processing
     */
    function _fund(
        address token,
        uint256 amount,
        uint256 duration,
        uint256 start
    ) private {
        // initialize market
        if (rewards[token].accumulator == 0) {
            _tokens.push(token);
            rewards[token].accumulator = 1;
        }
        _update(token);

        // get fees
        (address receiver, uint256 rate) = _config.getAddressUint96(
            keccak256("gysr.core.multi.fund.fee")
        );

        // do funding
        _fund(token, amount, duration, start, receiver, rate);
    }

    /**
     * @dev updates the internal accounting for rewards per staked share
     * retrieves unlocked tokens and adds on any unvested rewards from the last unstake operation
     * @param token address of reward token
     */
    function _update(address token) private {
        Reward storage reward = rewards[token];
        require(reward.accumulator > 0, "mrm23"); // market exists

        if (reward.stakingShares == 0) {
            reward.accumulator = 1; // reset accumulator
            return;
        }

        uint256 rewardsToUnlock = _unlockTokens(token) + reward.dust;
        reward.dust = 0;

        reward.accumulator += (rewardsToUnlock * 1e18) / reward.stakingShares;
    }

    /**
     * @dev internal helper to get vesting coefficient
     */
    function _vesting(uint256 start) private view returns (uint256) {
        require(start < block.timestamp, "mrm24");
        uint256 elapsed = block.timestamp - start;
        if (elapsed > vestingPeriod) return 1e18;

        return vestingStart + ((1e18 - vestingStart) * elapsed) / vestingPeriod;
    }

    /**
     * @dev internal helper to get earned rewards on a specific stake and reward token
     * and rollover unvested rewards to dust
     */
    function _reward(
        uint256 shares,
        address token,
        uint256 accumulator,
        uint256 vesting
    ) private returns (uint256) {
        if (vesting < 1e18) {
            // compute rewards with vesting
            uint256 r = ((rewards[token].accumulator - accumulator) * shares) /
                1e18;
            rewards[token].dust += (r * (1e18 - vesting)) / 1e18; // rollover dust
            return (r * vesting) / 1e18;
        } else {
            // fully vested
            return ((rewards[token].accumulator - accumulator) * shares) / 1e18;
        }
    }

    /**
     * @dev helper to get module reward token count
     * @return number of reward tokens
     */
    function tokenCount() public view returns (uint256) {
        return _tokens.length;
    }

    /**
     * @dev helper to get user stake count
     * @param account bytes32 id for account of interest
     * @return number of active stakes for user
     */
    function stakeCount(bytes32 account) public view returns (uint256) {
        return stakes[account].length;
    }

    /**
     * @dev helper to get nested rewards accumulator data
     * @param account bytes32 id for account of interest
     * @param index array index of stake
     * @param token address of reward token
     */
    function stakeRegistered(
        bytes32 account,
        uint256 index,
        address token
    ) public view returns (uint256) {
        return stakes[account][index].registered[token];
    }
}

File 9 of 18 : GysrUtils.sol
/*
GysrUtils

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

SPDX-License-Identifier: MIT
*/

pragma solidity 0.8.18;

import "./MathUtils.sol";

/**
 * @title GYSR utilities
 *
 * @notice this library implements utility methods for the GYSR multiplier
 * and spending mechanics
 */
library GysrUtils {
    using MathUtils for int128;

    // constants
    uint256 public constant GYSR_PROPORTION = 1e16; // 1%

    /**
     * @notice compute GYSR bonus as a function of usage ratio, stake amount,
     * and GYSR spent
     * @param gysr number of GYSR token applied to bonus
     * @param amount number of tokens or shares to unstake
     * @param total number of tokens or shares in overall pool
     * @param ratio usage ratio from 0 to 1
     * @return multiplier value
     */
    function gysrBonus(
        uint256 gysr,
        uint256 amount,
        uint256 total,
        uint256 ratio
    ) internal pure returns (uint256) {
        if (amount == 0) {
            return 0;
        }
        if (total == 0) {
            return 0;
        }
        if (gysr == 0) {
            return 1e18;
        }

        // scale GYSR amount with respect to proportion
        uint256 portion = (GYSR_PROPORTION * total) / 1e18;
        if (amount > portion) {
            gysr = (gysr * portion) / amount;
        }

        // 1 + gysr / (0.01 + ratio)
        uint256 x = 2 ** 64 + (2 ** 64 * gysr) / (1e16 + ratio);

        return
            1e18 +
            (uint256(int256(int128(uint128(x)).logbase10())) * 1e18) /
            2 ** 64;
    }
}

File 10 of 18 : ERC20MultiRewardModuleInfo.sol
/*
ERC20MultiRewardModuleInfo

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

SPDX-License-Identifier: MIT
*/

pragma solidity 0.8.18;

import "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol";

import "../interfaces/IRewardModule.sol";
import "../ERC20MultiRewardModule.sol";
import "./TokenUtilsInfo.sol";

/**
 * @title ERC20 multi reward module info library
 *
 * @notice this library provides read-only convenience functions to query
 * additional information about the ERC20MultiRewardModule contract.
 */
library ERC20MultiRewardModuleInfo {
    using TokenUtilsInfo for IERC20;

    // -- IRewardModuleInfo ---------------------------------------------------

    /**
     * @notice convenience function to get all token metadata in a single call
     * @param module address of reward module
     * @return addresses_
     * @return names_
     * @return symbols_
     * @return decimals_
     */
    function tokens(
        address module
    )
        external
        view
        returns (
            address[] memory addresses_,
            string[] memory names_,
            string[] memory symbols_,
            uint8[] memory decimals_
        )
    {
        IRewardModule m = IRewardModule(module);

        addresses_ = m.tokens();
        names_ = new string[](addresses_.length);
        symbols_ = new string[](addresses_.length);
        decimals_ = new uint8[](addresses_.length);

        for (uint256 i; i < addresses_.length; ++i) {
            IERC20Metadata tkn = IERC20Metadata(addresses_[i]);
            names_[i] = tkn.name();
            symbols_[i] = tkn.symbol();
            decimals_[i] = tkn.decimals();
        }
    }

    /**
     * @notice generic function to get pending reward balances
     * @param module address of reward module
     * @param account bytes32 account of interest for preview
     * @param shares number of shares that would be used
     * @return rewards_ estimated reward balances
     */
    function rewards(
        address module,
        bytes32 account,
        uint256 shares,
        bytes calldata
    ) public view returns (uint256[] memory rewards_) {
        IRewardModule m = IRewardModule(module);
        (rewards_, ) = preview(module, account, shares, m.tokens());
    }

    // -- ERC20MultiRewardModuleInfo ------------------------------------------

    /**
     * @notice preview estimated rewards
     * @param module address of reward module
     * @param account bytes32 account of interest for preview
     * @param shares number of shares that would be unstaked
     * @param tokens_ reward token addresses
     * @return rewards_ estimated reward balances
     * @return vesting_ estimated time vesting coeffs weighted by rewards
     */
    function preview(
        address module,
        bytes32 account,
        uint256 shares,
        address[] memory tokens_
    )
        public
        view
        returns (uint256[] memory rewards_, uint256[] memory vesting_)
    {
        require(shares > 0, "mrmi1");
        ERC20MultiRewardModule m = ERC20MultiRewardModule(module);

        rewards_ = new uint256[](tokens_.length);
        vesting_ = new uint256[](tokens_.length);

        uint256 i = m.stakeCount(account);

        // redeem first-in-last-out
        while (shares > 0) {
            require(i > 0, "mrmi2");
            i -= 1;

            (uint256 s, uint256 ts, ) = m.stakes(account, i);

            // only redeem partial stake if more shares left than needed to burn
            s = s <= shares ? s : shares;

            for (uint256 j; j < rewards_.length; ++j) {
                uint256 r = rewardsPerStakedShare(module, tokens_[j]);

                // check if stake is registered for reward
                uint256 tally = m.stakeRegistered(account, i, tokens_[j]);
                if (tally == 0) continue;

                // get raw rewards
                r = ((r - tally) * s) / 1e18;
                vesting_[j] += r;

                // time vesting
                if (block.timestamp < ts + m.vestingPeriod()) {
                    uint256 v = m.vestingStart() +
                        ((1e18 - m.vestingStart()) * (block.timestamp - ts)) /
                        m.vestingPeriod();
                    r = (r * v) / 1e18;
                }

                rewards_[j] += r;
            }
            shares -= s;
        }

        // compute vesting coefficients
        for (uint256 j; j < rewards_.length; ++j) {
            if (vesting_[j] == 0) continue;
            vesting_[j] = (rewards_[j] * 1e18) / vesting_[j];
        }

        // adjust shares to amount
        for (uint256 j; j < rewards_.length; ++j) {
            if (m.totalShares(tokens_[j]) == 0) continue;
            rewards_[j] = IERC20(tokens_[j]).getAmount(
                module,
                m.totalShares(tokens_[j]),
                rewards_[j]
            );
        }
    }

    /**
     * @notice preview estimated rewards for claim (by index)
     * @param module address of reward module
     * @param account bytes32 account of interest for preview
     * @param start start of claim index range
     * @param end end of claim index range, exclusive
     * @param tokens_ reward token addresses
     * @return rewards_ estimated reward balances
     * @return vesting_ estimated time vesting coeffs weighted by rewards
     */
    function preview(
        address module,
        bytes32 account,
        uint256 start,
        uint256 end,
        address[] memory tokens_
    )
        public
        view
        returns (uint256[] memory rewards_, uint256[] memory vesting_)
    {
        ERC20MultiRewardModule m = ERC20MultiRewardModule(module);
        require(start < end, "mrmi3");
        require(end <= m.stakeCount(account), "mrmi4");

        rewards_ = new uint256[](tokens_.length);
        vesting_ = new uint256[](tokens_.length);

        for (uint256 i = start; i < end; ++i) {
            (uint256 s, uint256 ts, ) = m.stakes(account, i);

            for (uint256 j; j < rewards_.length; ++j) {
                uint256 r = rewardsPerStakedShare(module, tokens_[j]);

                // check if stake is registered for reward
                uint256 tally = m.stakeRegistered(account, i, tokens_[j]);
                if (tally == 0) continue;

                // get raw rewards
                r = ((r - tally) * s) / 1e18;
                vesting_[j] += r;

                // time vesting
                if (block.timestamp < ts + m.vestingPeriod()) {
                    uint256 v = m.vestingStart() +
                        ((1e18 - m.vestingStart()) * (block.timestamp - ts)) /
                        m.vestingPeriod();
                    r = (r * v) / 1e18;
                }

                rewards_[j] += r;
            }
        }

        // compute vesting coefficients
        for (uint256 j; j < rewards_.length; ++j) {
            if (vesting_[j] == 0) continue;
            vesting_[j] = (rewards_[j] * 1e18) / vesting_[j];
        }

        // adjust shares to amount
        for (uint256 j; j < rewards_.length; ++j) {
            if (m.totalShares(tokens_[j]) == 0) continue;
            rewards_[j] = IERC20(tokens_[j]).getAmount(
                module,
                m.totalShares(tokens_[j]),
                rewards_[j]
            );
        }
    }

    /**
     * @notice convenience function to get registered accumulators for account
     * @param module address of reward module
     * @param account bytes32 account of interest
     * @param start start of stake index range
     * @param end end of stake index range, exclusive
     * @param tokens_ reward token addresses
     * @return registered_ accumulators for each stake and reward token
     */
    function registered(
        address module,
        bytes32 account,
        uint256 start,
        uint256 end,
        address[] memory tokens_
    ) public view returns (uint256[][] memory registered_) {
        ERC20MultiRewardModule m = ERC20MultiRewardModule(module);
        require(start < end, "mrmi5");
        require(end <= m.stakeCount(account), "mrmi6");

        registered_ = new uint256[][](end - start);

        for (uint256 i = start; i < end; ++i) {
            registered_[i - start] = new uint256[](tokens_.length);

            for (uint256 j; j < tokens_.length; ++j) {
                registered_[i - start][j] = m.stakeRegistered(
                    account,
                    i,
                    tokens_[j]
                );
            }
        }
    }

    /**
     * @notice compute reward shares to be unlocked on the next update
     * @param module address of reward module
     * @param token address of reward token
     * @return estimated unlockable rewards
     */
    function unlockable(
        address module,
        address token
    ) public view returns (uint256) {
        ERC20MultiRewardModule m = ERC20MultiRewardModule(module);
        if (m.lockedShares(token) == 0) {
            return 0;
        }
        uint256 sharesToUnlock = 0;
        uint256 count = m.fundingCount(token);
        for (uint256 i = 0; i < count; i++) {
            sharesToUnlock += m.unlockable(token, i);
        }
        return sharesToUnlock;
    }

    /**
     * @notice compute effective unlocked rewards
     * @param module address of reward module
     * @param token address of reward token
     * @return estimated current unlocked rewards
     */
    function unlocked(
        address module,
        address token
    ) public view returns (uint256) {
        ERC20MultiRewardModule m = ERC20MultiRewardModule(module);
        IERC20 tkn = IERC20(token);
        uint256 totalShares = m.totalShares(address(tkn));
        if (totalShares == 0) {
            return 0;
        }

        uint256 shares = m.totalShares(token) -
            m.lockedShares(token) +
            unlockable(module, token);

        return tkn.getAmount(module, totalShares, shares);
    }

    /**
     * @notice compute effective rewards per staked share
     * @param module module contract address
     * @param token address of reward token
     * @return estimated rewards per staked share
     */
    function rewardsPerStakedShare(
        address module,
        address token
    ) public view returns (uint256) {
        ERC20MultiRewardModule m = ERC20MultiRewardModule(module);

        (uint256 stakingShares, uint256 accumulator, uint256 dust) = m.rewards(
            token
        );
        if (stakingShares == 0) {
            return accumulator;
        }
        uint256 rewardsToUnlock = unlockable(module, token) + dust;
        return accumulator + (rewardsToUnlock * 1e18) / stakingShares;
    }
}

File 11 of 18 : TokenUtilsInfo.sol
/*
TokenUtilsInfo

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

SPDX-License-Identifier: MIT
*/

pragma solidity 0.8.18;

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

/**
 * @title Token utilities info
 *
 * @notice this library implements utility methods for token handling,
 * dynamic balance accounting, and fee processing.
 *
 * this is a modified version to be used by info libraries.
 */
library TokenUtilsInfo {
    uint256 constant INITIAL_SHARES_PER_TOKEN = 1e6;
    uint256 constant FLOOR_SHARES_PER_TOKEN = 1e3;

    /**
     * @notice get token shares from amount
     * @param token erc20 token interface
     * @param module address of module
     * @param total current total shares
     * @param amount balance of tokens
     */
    function getShares(
        IERC20 token,
        address module,
        uint256 total,
        uint256 amount
    ) internal view returns (uint256) {
        if (total == 0) return 0;
        uint256 balance = token.balanceOf(module);
        if (total < balance * FLOOR_SHARES_PER_TOKEN)
            return amount * FLOOR_SHARES_PER_TOKEN;
        return (total * amount) / balance;
    }

    /**
     * @notice get token amount from shares
     * @param token erc20 token interface
     * @param module address of module
     * @param total current total shares
     * @param shares balance of shares
     */
    function getAmount(
        IERC20 token,
        address module,
        uint256 total,
        uint256 shares
    ) internal view returns (uint256) {
        if (total == 0) return 0;
        uint256 balance = token.balanceOf(module);
        if (total < balance * FLOOR_SHARES_PER_TOKEN)
            return shares / FLOOR_SHARES_PER_TOKEN;
        return (balance * shares) / total;
    }
}

File 12 of 18 : IConfiguration.sol
/*
IConfiguration

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

SPDX-License-Identifier: MIT
*/

pragma solidity 0.8.18;

/**
 * @title Configuration interface
 *
 * @notice this defines the protocol configuration interface
 */
interface IConfiguration {
    // events
    event ParameterUpdated(bytes32 indexed key, address value);
    event ParameterUpdated(bytes32 indexed key, uint256 value);
    event ParameterUpdated(bytes32 indexed key, address value0, uint96 value1);
    event ParameterOverridden(
        address indexed caller,
        bytes32 indexed key,
        address value
    );
    event ParameterOverridden(
        address indexed caller,
        bytes32 indexed key,
        uint256 value
    );
    event ParameterOverridden(
        address indexed caller,
        bytes32 indexed key,
        address value0,
        uint96 value1
    );

    /**
     * @notice set or update uint256 parameter
     * @param key keccak256 hash of parameter key
     * @param value uint256 parameter value
     */
    function setUint256(bytes32 key, uint256 value) external;

    /**
     * @notice set or update address parameter
     * @param key keccak256 hash of parameter key
     * @param value address parameter value
     */
    function setAddress(bytes32 key, address value) external;

    /**
     * @notice set or update packed address + uint96 pair
     * @param key keccak256 hash of parameter key
     * @param value0 address parameter value
     * @param value1 uint96 parameter value
     */
    function setAddressUint96(
        bytes32 key,
        address value0,
        uint96 value1
    ) external;

    /**
     * @notice get uint256 parameter
     * @param key keccak256 hash of parameter key
     * @return uint256 parameter value
     */
    function getUint256(bytes32 key) external view returns (uint256);

    /**
     * @notice get address parameter
     * @param key keccak256 hash of parameter key
     * @return uint256 parameter value
     */
    function getAddress(bytes32 key) external view returns (address);

    /**
     * @notice get packed address + uint96 pair
     * @param key keccak256 hash of parameter key
     * @return address parameter value
     * @return uint96 parameter value
     */
    function getAddressUint96(
        bytes32 key
    ) external view returns (address, uint96);

    /**
     * @notice override uint256 parameter for specific caller
     * @param caller address of caller
     * @param key keccak256 hash of parameter key
     * @param value uint256 parameter value
     */
    function overrideUint256(
        address caller,
        bytes32 key,
        uint256 value
    ) external;

    /**
     * @notice override address parameter for specific caller
     * @param caller address of caller
     * @param key keccak256 hash of parameter key
     * @param value address parameter value
     */
    function overrideAddress(
        address caller,
        bytes32 key,
        address value
    ) external;

    /**
     * @notice override address parameter for specific caller
     * @param caller address of caller
     * @param key keccak256 hash of parameter key
     * @param value0 address parameter value
     * @param value1 uint96 parameter value
     */
    function overrideAddressUint96(
        address caller,
        bytes32 key,
        address value0,
        uint96 value1
    ) external;
}

File 13 of 18 : IEvents.sol
/*
IEvents

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

SPDX-License-Identifier: MIT
 */

pragma solidity 0.8.18;

/**
 * @title GYSR event system
 *
 * @notice common interface to define GYSR event system
 */
interface IEvents {
    // staking
    event Staked(
        bytes32 indexed account,
        address indexed user,
        address indexed token,
        uint256 amount,
        uint256 shares
    );
    event Unstaked(
        bytes32 indexed account,
        address indexed user,
        address indexed token,
        uint256 amount,
        uint256 shares
    );
    event Claimed(
        bytes32 indexed account,
        address indexed user,
        address indexed token,
        uint256 amount,
        uint256 shares
    );
    event Updated(bytes32 indexed account, address indexed user);

    // 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 RewardsExpired(
        address indexed token,
        uint256 amount,
        uint256 shares,
        uint256 timestamp
    );
    event RewardsWithdrawn(
        address indexed token,
        uint256 amount,
        uint256 shares,
        uint256 timestamp
    );
    event RewardsUpdated(bytes32 indexed account);

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

File 14 of 18 : IOwnerController.sol
/*
IOwnerController

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

SPDX-License-Identifier: MIT
*/

pragma solidity 0.8.18;

/**
 * @title Owner controller interface
 *
 * @notice this defines the interface for any contracts that use the
 * owner controller access pattern
 */
interface IOwnerController {
    /**
     * @dev Returns the address of the current owner.
     */
    function owner() external view returns (address);

    /**
     * @dev Returns the address of the current controller.
     */
    function controller() external view returns (address);

    /**
     * @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) external;

    /**
     * @dev Transfers control of the contract to a new account (`newController`).
     * Can only be called by the owner.
     */
    function transferControl(address newController) external;
}

File 15 of 18 : IRewardModule.sol
/*
IRewardModule

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

SPDX-License-Identifier: MIT
*/

pragma solidity 0.8.18;

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

import "./IEvents.sol";
import "./IOwnerController.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.
 */
interface IRewardModule is IOwnerController, IEvents {
    /**
     * @return array of reward tokens
     */
    function tokens() external view returns (address[] memory);

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

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

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

    /**
     * @notice perform any necessary accounting for new stake
     * @param account bytes32 id of staking account
     * @param sender address of sender
     * @param shares number of new shares minted
     * @param data addtional data
     * @return amount of gysr spent
     * @return amount of gysr vested
     */
    function stake(
        bytes32 account,
        address sender,
        uint256 shares,
        bytes calldata data
    ) external returns (uint256, uint256);

    /**
     * @notice reward user and perform any necessary accounting for unstake
     * @param account bytes32 id of staking account
     * @param sender address of sender
     * @param receiver address of reward receiver
     * @param shares number of shares burned
     * @param data additional data
     * @return amount of gysr spent
     * @return amount of gysr vested
     */
    function unstake(
        bytes32 account,
        address sender,
        address receiver,
        uint256 shares,
        bytes calldata data
    ) external returns (uint256, uint256);

    /**
     * @notice reward user and perform and necessary accounting for existing stake
     * @param account bytes32 id of staking account
     * @param sender address of sender
     * @param receiver address of reward receiver
     * @param shares number of shares being claimed against
     * @param data additional data
     * @return amount of gysr spent
     * @return amount of gysr vested
     */
    function claim(
        bytes32 account,
        address sender,
        address receiver,
        uint256 shares,
        bytes calldata data
    ) external returns (uint256, uint256);

    /**
     * @notice method called by anyone to update accounting
     * @dev will only be called ad hoc and should not contain essential logic
     * @param account bytes32 id of staking account for update
     * @param sender address of sender
     * @param data additional data
     */
    function update(
        bytes32 account,
        address sender,
        bytes calldata data
    ) external;

    /**
     * @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
     * @param data additional data
     */
    function clean(bytes calldata data) external;
}

File 16 of 18 : MathUtils.sol
/*
MathUtils

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

SPDX-License-Identifier: BSD-4-Clause
*/

pragma solidity 0.8.18;

/**
 * @title Math utilities
 *
 * @notice this library implements various logarithmic math utilies which support
 * other contracts and specifically the GYSR multiplier calculation
 *
 * @dev h/t https://github.com/abdk-consulting/abdk-libraries-solidity
 */
library MathUtils {
    /**
     * @notice calculate binary logarithm of x
     *
     * @param x signed 64.64-bit fixed point number, require x > 0
     * @return signed 64.64-bit fixed point number
     */
    function logbase2(int128 x) internal pure returns (int128) {
        unchecked {
            require(x > 0);

            int256 msb = 0;
            int256 xc = x;
            if (xc >= 0x10000000000000000) {
                xc >>= 64;
                msb += 64;
            }
            if (xc >= 0x100000000) {
                xc >>= 32;
                msb += 32;
            }
            if (xc >= 0x10000) {
                xc >>= 16;
                msb += 16;
            }
            if (xc >= 0x100) {
                xc >>= 8;
                msb += 8;
            }
            if (xc >= 0x10) {
                xc >>= 4;
                msb += 4;
            }
            if (xc >= 0x4) {
                xc >>= 2;
                msb += 2;
            }
            if (xc >= 0x2) msb += 1; // No need to shift xc anymore

            int256 result = (msb - 64) << 64;
            uint256 ux = uint256(int256(x)) << uint256(127 - msb);
            for (int256 bit = 0x8000000000000000; bit > 0; bit >>= 1) {
                ux *= ux;
                uint256 b = ux >> 255;
                ux >>= 127 + b;
                result += bit * int256(b);
            }

            return int128(result);
        }
    }

    /**
     * @notice calculate natural logarithm of x
     * @dev magic constant comes from ln(2) * 2^128 -> hex
     * @param x signed 64.64-bit fixed point number, require x > 0
     * @return signed 64.64-bit fixed point number
     */
    function ln(int128 x) internal pure returns (int128) {
        unchecked {
            require(x > 0);

            return
                int128(
                    int256(
                        (uint256(int256(logbase2(x))) *
                            0xB17217F7D1CF79ABC9E3B39803F2F6AF) >> 128
                    )
                );
        }
    }

    /**
     * @notice calculate logarithm base 10 of x
     * @dev magic constant comes from log10(2) * 2^128 -> hex
     * @param x signed 64.64-bit fixed point number, require x > 0
     * @return signed 64.64-bit fixed point number
     */
    function logbase10(int128 x) internal pure returns (int128) {
        require(x > 0);

        return
            int128(
                int256(
                    (uint256(int256(logbase2(x))) *
                        0x4d104d427de7fce20a6e420e02236748) >> 128
                )
            );
    }

    // wrapper functions to allow testing
    function testlogbase2(int128 x) public pure returns (int128) {
        return logbase2(x);
    }

    function testlogbase10(int128 x) public pure returns (int128) {
        return logbase10(x);
    }
}

File 17 of 18 : OwnerController.sol
/*
OwnerController

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

SPDX-License-Identifier: MIT
*/

pragma solidity 0.8.18;

import "./interfaces/IOwnerController.sol";

/**
 * @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 is IOwnerController {
    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 override returns (address) {
        return _owner;
    }

    /**
     * @dev Returns the address of the current controller.
     */
    function controller() public view override 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`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual override {
        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 override {
        requireOwner();
        require(newController != address(0), "oc4");
        emit ControlTransferred(_controller, newController);
        _controller = newController;
    }
}

File 18 of 18 : TokenUtils.sol
/*
TokenUtils

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

SPDX-License-Identifier: MIT
*/

pragma solidity 0.8.18;

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

/**
 * @title Token utilities
 *
 * @notice this library implements utility methods for token handling,
 * dynamic balance accounting, and fee processing
 */
library TokenUtils {
    using SafeERC20 for IERC20;

    event Fee(address indexed receiver, address indexed token, uint256 amount); // redefinition

    uint256 constant INITIAL_SHARES_PER_TOKEN = 1e6;
    uint256 constant FLOOR_SHARES_PER_TOKEN = 1e3;

    /**
     * @notice get token shares from amount
     * @param token erc20 token interface
     * @param total current total shares
     * @param amount balance of tokens
     */
    function getShares(
        IERC20 token,
        uint256 total,
        uint256 amount
    ) internal view returns (uint256) {
        if (total == 0) return 0;
        uint256 balance = token.balanceOf(address(this));
        if (total < balance * FLOOR_SHARES_PER_TOKEN)
            return amount * FLOOR_SHARES_PER_TOKEN;
        return (total * amount) / balance;
    }

    /**
     * @notice get token amount from shares
     * @param token erc20 token interface
     * @param total current total shares
     * @param shares balance of shares
     */
    function getAmount(
        IERC20 token,
        uint256 total,
        uint256 shares
    ) internal view returns (uint256) {
        if (total == 0) return 0;
        uint256 balance = token.balanceOf(address(this));
        if (total < balance * FLOOR_SHARES_PER_TOKEN)
            return shares / FLOOR_SHARES_PER_TOKEN;
        return (balance * shares) / total;
    }

    /**
     * @notice transfer tokens from sender into contract and convert to shares
     * for internal accounting
     * @param token erc20 token interface
     * @param total current total shares
     * @param sender token sender
     * @param amount number of tokens to be sent
     */
    function receiveAmount(
        IERC20 token,
        uint256 total,
        address sender,
        uint256 amount
    ) internal returns (uint256) {
        // note: we assume amount > 0 has already been validated

        //  transfer
        uint256 balance = token.balanceOf(address(this));
        token.safeTransferFrom(sender, address(this), amount);
        uint256 actual = token.balanceOf(address(this)) - balance;
        require(amount >= actual);

        // mint shares at current rate
        uint256 minted;
        if (total == 0) {
            minted = actual * INITIAL_SHARES_PER_TOKEN;
        } else if (total < balance * FLOOR_SHARES_PER_TOKEN) {
            minted = actual * FLOOR_SHARES_PER_TOKEN;
        } else {
            minted = (total * actual) / balance;
        }
        require(minted > 0);
        return minted;
    }

    /**
     * @notice transfer tokens from sender into contract, process protocol fee,
     * and convert to shares for internal accounting
     * @param token erc20 token interface
     * @param total current total shares
     * @param sender token sender
     * @param amount number of tokens to be sent
     * @param feeReceiver address to receive fee
     * @param feeRate portion of amount to take as fee in 18 decimals
     */
    function receiveWithFee(
        IERC20 token,
        uint256 total,
        address sender,
        uint256 amount,
        address feeReceiver,
        uint256 feeRate
    ) internal returns (uint256) {
        // note: we assume amount > 0 has already been validated

        // check initial token balance
        uint256 balance = token.balanceOf(address(this));

        // process fee
        uint256 fee;
        if (feeReceiver != address(0) && feeRate > 0 && feeRate < 1e18) {
            fee = (amount * feeRate) / 1e18;
            token.safeTransferFrom(sender, feeReceiver, fee);
            emit Fee(feeReceiver, address(token), fee);
        }

        // do transfer
        token.safeTransferFrom(sender, address(this), amount - fee);
        uint256 actual = token.balanceOf(address(this)) - balance;
        require(amount >= actual);

        // mint shares at current rate
        uint256 minted;
        if (total == 0) {
            minted = actual * INITIAL_SHARES_PER_TOKEN;
        } else if (total < balance * FLOOR_SHARES_PER_TOKEN) {
            minted = actual * FLOOR_SHARES_PER_TOKEN;
        } else {
            minted = (total * actual) / balance;
        }
        require(minted > 0);
        return minted;
    }
}

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

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"module","type":"address"},{"internalType":"bytes32","name":"account","type":"bytes32"},{"internalType":"uint256","name":"shares","type":"uint256"},{"internalType":"address[]","name":"tokens_","type":"address[]"}],"name":"preview","outputs":[{"internalType":"uint256[]","name":"rewards_","type":"uint256[]"},{"internalType":"uint256[]","name":"vesting_","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"module","type":"address"},{"internalType":"bytes32","name":"account","type":"bytes32"},{"internalType":"uint256","name":"start","type":"uint256"},{"internalType":"uint256","name":"end","type":"uint256"},{"internalType":"address[]","name":"tokens_","type":"address[]"}],"name":"preview","outputs":[{"internalType":"uint256[]","name":"rewards_","type":"uint256[]"},{"internalType":"uint256[]","name":"vesting_","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"module","type":"address"},{"internalType":"bytes32","name":"account","type":"bytes32"},{"internalType":"uint256","name":"start","type":"uint256"},{"internalType":"uint256","name":"end","type":"uint256"},{"internalType":"address[]","name":"tokens_","type":"address[]"}],"name":"registered","outputs":[{"internalType":"uint256[][]","name":"registered_","type":"uint256[][]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"module","type":"address"},{"internalType":"bytes32","name":"account","type":"bytes32"},{"internalType":"uint256","name":"shares","type":"uint256"},{"internalType":"bytes","name":"","type":"bytes"}],"name":"rewards","outputs":[{"internalType":"uint256[]","name":"rewards_","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"module","type":"address"},{"internalType":"address","name":"token","type":"address"}],"name":"rewardsPerStakedShare","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"module","type":"address"}],"name":"tokens","outputs":[{"internalType":"address[]","name":"addresses_","type":"address[]"},{"internalType":"string[]","name":"names_","type":"string[]"},{"internalType":"string[]","name":"symbols_","type":"string[]"},{"internalType":"uint8[]","name":"decimals_","type":"uint8[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"module","type":"address"},{"internalType":"address","name":"token","type":"address"}],"name":"unlockable","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"module","type":"address"},{"internalType":"address","name":"token","type":"address"}],"name":"unlocked","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"}]

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Block Transaction Difficulty Gas Used Reward
Block Uncle Number Difficulty Gas Used Reward
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