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// File: SS/imports/Context.sol | |
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol) | |
pragma solidity ^0.8.0; | |
/** | |
* @dev Provides information about the current execution context, including the | |
* sender of the transaction and its data. While these are generally available | |
* via msg.sender and msg.data, they should not be accessed in such a direct | |
* manner, since when dealing with meta-transactions the account sending and | |
* paying for execution may not be the actual sender (as far as an application | |
* is concerned). | |
* | |
* This contract is only required for intermediate, library-like contracts. | |
*/ | |
abstract contract Context { | |
function _msgSender() internal view virtual returns (address) { | |
return msg.sender; | |
} | |
function _msgData() internal view virtual returns (bytes calldata) { | |
return msg.data; | |
} | |
} | |
// File: SS/imports/Ownable.sol | |
// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol) | |
pragma solidity ^0.8.0; | |
/** | |
* @dev Contract module which provides a basic access control mechanism, where | |
* there is an account (an owner) that can be granted exclusive access to | |
* specific functions. | |
* | |
* By default, the owner account will be the one that deploys the contract. This | |
* can later be changed with {transferOwnership}. | |
* | |
* This module is used through inheritance. It will make available the modifier | |
* `onlyOwner`, which can be applied to your functions to restrict their use to | |
* the owner. | |
*/ | |
abstract contract Ownable is Context { | |
address private _owner; | |
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); | |
/** | |
* @dev Initializes the contract setting the deployer as the initial owner. | |
*/ | |
constructor() { | |
_transferOwnership(_msgSender()); | |
} | |
/** | |
* @dev Throws if called by any account other than the owner. | |
*/ | |
modifier onlyOwner() { | |
_checkOwner(); | |
_; | |
} | |
/** | |
* @dev Returns the address of the current owner. | |
*/ | |
function owner() public view virtual returns (address) { | |
return _owner; | |
} | |
/** | |
* @dev Throws if the sender is not the owner. | |
*/ | |
function _checkOwner() internal view virtual { | |
require(owner() == _msgSender(), "Ownable: caller is not the owner"); | |
} | |
/** | |
* @dev Leaves the contract without owner. It will not be possible to call | |
* `onlyOwner` functions. Can only be called by the current owner. | |
* | |
* NOTE: Renouncing ownership will leave the contract without an owner, | |
* thereby disabling any functionality that is only available to the owner. | |
*/ | |
function renounceOwnership() public virtual onlyOwner { | |
_transferOwnership(address(0)); | |
} | |
/** | |
* @dev Transfers ownership of the contract to a new account (`newOwner`). | |
* Can only be called by the current owner. | |
*/ | |
function transferOwnership(address newOwner) public virtual onlyOwner { | |
require(newOwner != address(0), "Ownable: new owner is the zero address"); | |
_transferOwnership(newOwner); | |
} | |
/** | |
* @dev Transfers ownership of the contract to a new account (`newOwner`). | |
* Internal function without access restriction. | |
*/ | |
function _transferOwnership(address newOwner) internal virtual { | |
address oldOwner = _owner; | |
_owner = newOwner; | |
emit OwnershipTransferred(oldOwner, newOwner); | |
} | |
} | |
// File: SS/imports/IERC20.sol | |
// OpenZeppelin Contracts (last updated v4.9.0) (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: SS/imports/IERC20Permit.sol | |
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/extensions/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: SS/imports/Address.sol | |
// OpenZeppelin Contracts (last updated v4.9.0) (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 | |
* | |
* Furthermore, `isContract` will also return true if the target contract within | |
* the same transaction is already scheduled for destruction by `SELFDESTRUCT`, | |
* which only has an effect at the end of a transaction. | |
* ==== | |
* | |
* [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://consensys.net/diligence/blog/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/v0.8.0/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: SS/imports/SafeERC20.sol | |
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/utils/SafeERC20.sol) | |
pragma solidity ^0.8.0; | |
/** | |
* @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; | |
/** | |
* @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value, | |
* non-reverting calls are assumed to be successful. | |
*/ | |
function safeTransfer(IERC20 token, address to, uint256 value) internal { | |
_callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); | |
} | |
/** | |
* @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the | |
* calling contract. If `token` returns no value, non-reverting calls are assumed to be successful. | |
*/ | |
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)); | |
} | |
/** | |
* @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value, | |
* non-reverting calls are assumed to be successful. | |
*/ | |
function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal { | |
uint256 oldAllowance = token.allowance(address(this), spender); | |
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance + value)); | |
} | |
/** | |
* @dev Decrease the calling contract's allowance toward `spender` by `value`. If `token` returns no value, | |
* non-reverting calls are assumed to be successful. | |
*/ | |
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"); | |
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance - value)); | |
} | |
} | |
/** | |
* @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value, | |
* non-reverting calls are assumed to be successful. Compatible with tokens that require the approval to be set to | |
* 0 before setting it to a non-zero value. | |
*/ | |
function forceApprove(IERC20 token, address spender, uint256 value) internal { | |
bytes memory approvalCall = abi.encodeWithSelector(token.approve.selector, spender, value); | |
if (!_callOptionalReturnBool(token, approvalCall)) { | |
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, 0)); | |
_callOptionalReturn(token, approvalCall); | |
} | |
} | |
/** | |
* @dev Use a ERC-2612 signature to set the `owner` approval toward `spender` on `token`. | |
* Revert on invalid signature. | |
*/ | |
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"); | |
require(returndata.length == 0 || abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation 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). | |
* | |
* This is a variant of {_callOptionalReturn} that silents catches all reverts and returns a bool instead. | |
*/ | |
function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) { | |
// 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 cannot use {Address-functionCall} here since this should return false | |
// and not revert is the subcall reverts. | |
(bool success, bytes memory returndata) = address(token).call(data); | |
return | |
success && (returndata.length == 0 || abi.decode(returndata, (bool))) && Address.isContract(address(token)); | |
} | |
} | |
// File: SS/imports/IERC20Metadata.sol | |
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol) | |
pragma solidity ^0.8.0; | |
/** | |
* @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: SS/imports/IERC165.sol | |
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) | |
pragma solidity ^0.8.0; | |
/** | |
* @dev Interface of the ERC165 standard, as defined in the | |
* https://eips.ethereum.org/EIPS/eip-165[EIP]. | |
* | |
* Implementers can declare support of contract interfaces, which can then be | |
* queried by others ({ERC165Checker}). | |
* | |
* For an implementation, see {ERC165}. | |
*/ | |
interface IERC165 { | |
/** | |
* @dev Returns true if this contract implements the interface defined by | |
* `interfaceId`. See the corresponding | |
* https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] | |
* to learn more about how these ids are created. | |
* | |
* This function call must use less than 30 000 gas. | |
*/ | |
function supportsInterface(bytes4 interfaceId) external view returns (bool); | |
} | |
// File: SS/imports/IERC721.sol | |
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC721/IERC721.sol) | |
pragma solidity ^0.8.0; | |
/** | |
* @dev Required interface of an ERC721 compliant contract. | |
*/ | |
interface IERC721 is IERC165 { | |
/** | |
* @dev Emitted when `tokenId` token is transferred from `from` to `to`. | |
*/ | |
event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); | |
/** | |
* @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. | |
*/ | |
event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); | |
/** | |
* @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. | |
*/ | |
event ApprovalForAll(address indexed owner, address indexed operator, bool approved); | |
/** | |
* @dev Returns the number of tokens in ``owner``'s account. | |
*/ | |
function balanceOf(address owner) external view returns (uint256 balance); | |
/** | |
* @dev Returns the owner of the `tokenId` token. | |
* | |
* Requirements: | |
* | |
* - `tokenId` must exist. | |
*/ | |
function ownerOf(uint256 tokenId) external view returns (address owner); | |
/** | |
* @dev Safely transfers `tokenId` token from `from` to `to`. | |
* | |
* Requirements: | |
* | |
* - `from` cannot be the zero address. | |
* - `to` cannot be the zero address. | |
* - `tokenId` token must exist and be owned by `from`. | |
* - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. | |
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. | |
* | |
* Emits a {Transfer} event. | |
*/ | |
function safeTransferFrom(address from, address to, uint256 tokenId, bytes calldata data) external; | |
/** | |
* @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients | |
* are aware of the ERC721 protocol to prevent tokens from being forever locked. | |
* | |
* Requirements: | |
* | |
* - `from` cannot be the zero address. | |
* - `to` cannot be the zero address. | |
* - `tokenId` token must exist and be owned by `from`. | |
* - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}. | |
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. | |
* | |
* Emits a {Transfer} event. | |
*/ | |
function safeTransferFrom(address from, address to, uint256 tokenId) external; | |
/** | |
* @dev Transfers `tokenId` token from `from` to `to`. | |
* | |
* WARNING: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721 | |
* or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must | |
* understand this adds an external call which potentially creates a reentrancy vulnerability. | |
* | |
* Requirements: | |
* | |
* - `from` cannot be the zero address. | |
* - `to` cannot be the zero address. | |
* - `tokenId` token must be owned by `from`. | |
* - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. | |
* | |
* Emits a {Transfer} event. | |
*/ | |
function transferFrom(address from, address to, uint256 tokenId) external; | |
/** | |
* @dev Gives permission to `to` to transfer `tokenId` token to another account. | |
* The approval is cleared when the token is transferred. | |
* | |
* Only a single account can be approved at a time, so approving the zero address clears previous approvals. | |
* | |
* Requirements: | |
* | |
* - The caller must own the token or be an approved operator. | |
* - `tokenId` must exist. | |
* | |
* Emits an {Approval} event. | |
*/ | |
function approve(address to, uint256 tokenId) external; | |
/** | |
* @dev Approve or remove `operator` as an operator for the caller. | |
* Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. | |
* | |
* Requirements: | |
* | |
* - The `operator` cannot be the caller. | |
* | |
* Emits an {ApprovalForAll} event. | |
*/ | |
function setApprovalForAll(address operator, bool approved) external; | |
/** | |
* @dev Returns the account approved for `tokenId` token. | |
* | |
* Requirements: | |
* | |
* - `tokenId` must exist. | |
*/ | |
function getApproved(uint256 tokenId) external view returns (address operator); | |
/** | |
* @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. | |
* | |
* See {setApprovalForAll} | |
*/ | |
function isApprovedForAll(address owner, address operator) external view returns (bool); | |
} | |
// File: SS/imports/IERC721Enumerable.sol | |
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC721/extensions/IERC721Enumerable.sol) | |
pragma solidity ^0.8.0; | |
/** | |
* @title ERC-721 Non-Fungible Token Standard, optional enumeration extension | |
* @dev See https://eips.ethereum.org/EIPS/eip-721 | |
*/ | |
interface IERC721Enumerable is IERC721 { | |
/** | |
* @dev Returns the total amount of tokens stored by the contract. | |
*/ | |
function totalSupply() external view returns (uint256); | |
/** | |
* @dev Returns a token ID owned by `owner` at a given `index` of its token list. | |
* Use along with {balanceOf} to enumerate all of ``owner``'s tokens. | |
*/ | |
function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256); | |
/** | |
* @dev Returns a token ID at a given `index` of all the tokens stored by the contract. | |
* Use along with {totalSupply} to enumerate all tokens. | |
*/ | |
function tokenByIndex(uint256 index) external view returns (uint256); | |
} | |
// File: SS/imports/SafeMath.sol | |
// OpenZeppelin Contracts (last updated v4.9.0) (utils/math/SafeMath.sol) | |
pragma solidity ^0.8.0; | |
// CAUTION | |
// This version of SafeMath should only be used with Solidity 0.8 or later, | |
// because it relies on the compiler's built in overflow checks. | |
/** | |
* @dev Wrappers over Solidity's arithmetic operations. | |
* | |
* NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler | |
* now has built in overflow checking. | |
*/ | |
library SafeMath { | |
/** | |
* @dev Returns the addition of two unsigned integers, with an overflow flag. | |
* | |
* _Available since v3.4._ | |
*/ | |
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) { | |
unchecked { | |
uint256 c = a + b; | |
if (c < a) return (false, 0); | |
return (true, c); | |
} | |
} | |
/** | |
* @dev Returns the subtraction of two unsigned integers, with an overflow flag. | |
* | |
* _Available since v3.4._ | |
*/ | |
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) { | |
unchecked { | |
if (b > a) return (false, 0); | |
return (true, a - b); | |
} | |
} | |
/** | |
* @dev Returns the multiplication of two unsigned integers, with an overflow flag. | |
* | |
* _Available since v3.4._ | |
*/ | |
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) { | |
unchecked { | |
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the | |
// benefit is lost if 'b' is also tested. | |
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 | |
if (a == 0) return (true, 0); | |
uint256 c = a * b; | |
if (c / a != b) return (false, 0); | |
return (true, c); | |
} | |
} | |
/** | |
* @dev Returns the division of two unsigned integers, with a division by zero flag. | |
* | |
* _Available since v3.4._ | |
*/ | |
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) { | |
unchecked { | |
if (b == 0) return (false, 0); | |
return (true, a / b); | |
} | |
} | |
/** | |
* @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag. | |
* | |
* _Available since v3.4._ | |
*/ | |
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) { | |
unchecked { | |
if (b == 0) return (false, 0); | |
return (true, a % b); | |
} | |
} | |
/** | |
* @dev Returns the addition of two unsigned integers, reverting on | |
* overflow. | |
* | |
* Counterpart to Solidity's `+` operator. | |
* | |
* Requirements: | |
* | |
* - Addition cannot overflow. | |
*/ | |
function add(uint256 a, uint256 b) internal pure returns (uint256) { | |
return a + b; | |
} | |
/** | |
* @dev Returns the subtraction of two unsigned integers, reverting on | |
* overflow (when the result is negative). | |
* | |
* Counterpart to Solidity's `-` operator. | |
* | |
* Requirements: | |
* | |
* - Subtraction cannot overflow. | |
*/ | |
function sub(uint256 a, uint256 b) internal pure returns (uint256) { | |
return a - b; | |
} | |
/** | |
* @dev Returns the multiplication of two unsigned integers, reverting on | |
* overflow. | |
* | |
* Counterpart to Solidity's `*` operator. | |
* | |
* Requirements: | |
* | |
* - Multiplication cannot overflow. | |
*/ | |
function mul(uint256 a, uint256 b) internal pure returns (uint256) { | |
return a * b; | |
} | |
/** | |
* @dev Returns the integer division of two unsigned integers, reverting on | |
* division by zero. The result is rounded towards zero. | |
* | |
* Counterpart to Solidity's `/` operator. | |
* | |
* Requirements: | |
* | |
* - The divisor cannot be zero. | |
*/ | |
function div(uint256 a, uint256 b) internal pure returns (uint256) { | |
return a / b; | |
} | |
/** | |
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), | |
* reverting when dividing by zero. | |
* | |
* Counterpart to Solidity's `%` operator. This function uses a `revert` | |
* opcode (which leaves remaining gas untouched) while Solidity uses an | |
* invalid opcode to revert (consuming all remaining gas). | |
* | |
* Requirements: | |
* | |
* - The divisor cannot be zero. | |
*/ | |
function mod(uint256 a, uint256 b) internal pure returns (uint256) { | |
return a % b; | |
} | |
/** | |
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on | |
* overflow (when the result is negative). | |
* | |
* CAUTION: This function is deprecated because it requires allocating memory for the error | |
* message unnecessarily. For custom revert reasons use {trySub}. | |
* | |
* Counterpart to Solidity's `-` operator. | |
* | |
* Requirements: | |
* | |
* - Subtraction cannot overflow. | |
*/ | |
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { | |
unchecked { | |
require(b <= a, errorMessage); | |
return a - b; | |
} | |
} | |
/** | |
* @dev Returns the integer division of two unsigned integers, reverting with custom message on | |
* division by zero. The result is rounded towards zero. | |
* | |
* Counterpart to Solidity's `/` operator. Note: this function uses a | |
* `revert` opcode (which leaves remaining gas untouched) while Solidity | |
* uses an invalid opcode to revert (consuming all remaining gas). | |
* | |
* Requirements: | |
* | |
* - The divisor cannot be zero. | |
*/ | |
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { | |
unchecked { | |
require(b > 0, errorMessage); | |
return a / b; | |
} | |
} | |
/** | |
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), | |
* reverting with custom message when dividing by zero. | |
* | |
* CAUTION: This function is deprecated because it requires allocating memory for the error | |
* message unnecessarily. For custom revert reasons use {tryMod}. | |
* | |
* Counterpart to Solidity's `%` operator. This function uses a `revert` | |
* opcode (which leaves remaining gas untouched) while Solidity uses an | |
* invalid opcode to revert (consuming all remaining gas). | |
* | |
* Requirements: | |
* | |
* - The divisor cannot be zero. | |
*/ | |
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { | |
unchecked { | |
require(b > 0, errorMessage); | |
return a % b; | |
} | |
} | |
} | |
// File: SS/imports/ReentrancyGuard.sol | |
// OpenZeppelin Contracts (last updated v4.9.0) (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; | |
} | |
/** | |
* @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a | |
* `nonReentrant` function in the call stack. | |
*/ | |
function _reentrancyGuardEntered() internal view returns (bool) { | |
return _status == _ENTERED; | |
} | |
} | |
// File: SS/MarkerDAO.sol | |
pragma solidity ^0.8.0; | |
// BSD 3-Clause License | |
// Copyright (c) 2025, Peng Protocol | |
// All rights reserved. | |
// v0.0.20 | |
// Changes from v0.0.19: | |
// - Renamed pendingProposalCount to proposalCount | |
// - Simplified queryProposals and queryRoutines to take only index parameter | |
// - Removed proposeRoutineRemoval and associated RoutineRemoval logic | |
// - Removed removedRoutines mapping and removedRoutineCount | |
// - Maintained proposalType as 1,2,3; 3 is a ghost (non-functional) | |
// Updates within v0.0.20: | |
// - Added intervalTimeRemaining to RoutineData in queryRoutines | |
contract MarkerDAO is Ownable, ReentrancyGuard { | |
using SafeERC20 for IERC20; | |
using SafeMath for uint256; | |
// Core Parameters | |
address public nftCollection; | |
address public fftToken; | |
uint256 public turnoutThreshold = 333; // 33.3% scaled as 333/1000 | |
uint256 public approvalThreshold = 510; // 51% scaled as 510/1000 | |
uint256 public finalizeTimeLimit = 24 * 60 * 60; // 24 hours | |
uint256 public constant MAX_VOTES_PER_CALL = 30; | |
// Enums and Structs | |
enum ProposalType { Regular, Routine, RoutineRemoval } // 3 is ghost | |
enum ProposalStatus { Pending, Rejected, Passed } | |
struct Proposal { | |
uint256 index; | |
string detail; | |
address target; | |
bytes callData; | |
uint256 value; | |
ProposalType proposalType; | |
ProposalStatus status; | |
uint256 votesFor; | |
uint256 votesAgainst; | |
uint256 turnout; | |
uint256 deadline; | |
} | |
struct Routine { | |
uint256 index; | |
string detail; | |
address target; | |
bytes callData; | |
uint256 value; | |
address proposer; | |
uint256 interval; | |
uint256 runwayEnd; | |
uint256 lastExecution; | |
bool active; | |
uint256 proposalIndex; | |
} | |
struct RoutineParams { | |
uint256 interval; | |
uint256 runwayDuration; | |
} | |
struct ProposalData { | |
uint256 index; | |
string detail; | |
address target; | |
bytes callData; | |
uint256 value; | |
ProposalType proposalType; | |
ProposalStatus status; | |
uint256 votesFor; | |
uint256 votesAgainst; | |
uint256 turnout; | |
uint256 deadline; | |
uint256 finalizeTimeRemaining; | |
} | |
struct RoutineData { | |
uint256 index; | |
string detail; | |
address target; | |
bytes callData; | |
uint256 value; | |
address proposer; | |
uint256 interval; | |
uint256 runwayEnd; | |
uint256 lastExecution; | |
bool active; | |
uint256 proposalIndex; | |
uint256 intervalTimeRemaining; // Added: Time until next execution | |
} | |
// Storage | |
mapping(uint256 => Proposal) pendingProposals; | |
mapping(uint256 => Proposal) passedProposals; | |
mapping(uint256 => Proposal) rejectedProposals; | |
uint256 public proposalCount; | |
uint256 public passedProposalCount; | |
uint256 public rejectedProposalCount; | |
mapping(uint256 => Routine) activeRoutines; | |
uint256 public activeRoutineCount; | |
mapping(uint256 => RoutineParams) routineParams; | |
mapping(uint256 => mapping(uint256 => bool)) nftVoted; | |
mapping(uint256 => mapping(address => uint256[])) voterTokens; | |
// Events | |
event ProposalCreated(uint256 indexed index, address indexed proposer, string detail, address target, bytes callData, uint256 value, ProposalStatus status); | |
event Voted(uint256 indexed index, address indexed voter, bool inFavor, uint256 nftTokenId, uint256 fftSpent); | |
event ExecutionResult(uint256 indexed index, bool ethSuccess, bool callSuccess, bytes returnData); | |
event ProposalStatusUpdated(uint256 indexed index, ProposalStatus newStatus); | |
event RoutineCreated(uint256 indexed routineId, uint256 indexed proposalId, address target, bytes callData, uint256 value, uint256 interval, uint256 runwayEnd); | |
event RoutineExecuted(uint256 indexed routineId, uint256 executionTime); | |
event RoutineExpired(uint256 indexed routineId); | |
event NFTCollectionSet(address indexed newCollection); | |
event FFTTokenSet(address indexed newToken); | |
event FinalizeTimeLimitSet(uint256 newLimit); | |
constructor() {} | |
receive() external payable {} | |
function tryDecimals(IERC20Metadata token) internal view returns (uint8) { | |
try token.decimals() returns (uint8 decimals) { | |
return decimals; | |
} catch { | |
return 18; | |
} | |
} | |
function setFinalizeTimeLimit(uint256 newLimit) external onlyOwner { | |
require(newLimit > 0, "Invalid time limit"); | |
finalizeTimeLimit = newLimit; | |
emit FinalizeTimeLimitSet(newLimit); | |
} | |
function setNFT(address _nftCollection) external onlyOwner { | |
require(_nftCollection != address(0), "Invalid NFT address"); | |
nftCollection = _nftCollection; | |
emit NFTCollectionSet(_nftCollection); | |
} | |
function setFFT(address _fftToken) external onlyOwner { | |
require(_fftToken != address(0), "Invalid FFT address"); | |
fftToken = _fftToken; | |
emit FFTTokenSet(_fftToken); | |
} | |
function propose(address target, bytes calldata callData, uint256 value, string calldata detail) external { | |
require(IERC721(nftCollection).balanceOf(msg.sender) > 0, "Not an NFT holder"); | |
require(bytes(detail).length <= 500, "Detail exceeds 500 characters"); | |
require(target != address(0), "Invalid target address"); | |
uint256 fftFee = 1 * (10 ** tryDecimals(IERC20Metadata(fftToken))); | |
SafeERC20.safeTransferFrom(IERC20(fftToken), msg.sender, address(this), fftFee); | |
uint256 index = proposalCount++; | |
Proposal storage newProposal = pendingProposals[index]; | |
newProposal.index = index; | |
newProposal.detail = detail; | |
newProposal.target = target; | |
newProposal.callData = callData; | |
newProposal.value = value; | |
newProposal.proposalType = ProposalType.Regular; | |
newProposal.status = ProposalStatus.Pending; | |
newProposal.votesFor = 0; | |
newProposal.votesAgainst = 0; | |
newProposal.turnout = 0; | |
newProposal.deadline = block.timestamp + 604800; | |
emit ProposalCreated(index, msg.sender, detail, target, callData, value, ProposalStatus.Pending); | |
} | |
function proposeRoutine(address target, bytes calldata callData, uint256 value, string calldata detail, uint256 interval, uint256 runwayDuration) external { | |
require(IERC721(nftCollection).balanceOf(msg.sender) > 0, "Not an NFT holder"); | |
require(bytes(detail).length <= 500, "Detail exceeds 500 characters"); | |
require(target != address(0), "Invalid target address"); | |
require(interval > 0, "Invalid interval"); | |
require(runwayDuration > 0, "Runway duration must be positive"); | |
uint256 fftFee = 1 * (10 ** tryDecimals(IERC20Metadata(fftToken))); | |
SafeERC20.safeTransferFrom(IERC20(fftToken), msg.sender, address(this), fftFee); | |
uint256 index = proposalCount++; | |
Proposal storage newProposal = pendingProposals[index]; | |
newProposal.index = index; | |
newProposal.detail = detail; | |
newProposal.target = target; | |
newProposal.callData = callData; | |
newProposal.value = value; | |
newProposal.proposalType = ProposalType.Routine; | |
newProposal.status = ProposalStatus.Pending; | |
newProposal.votesFor = 0; | |
newProposal.votesAgainst = 0; | |
newProposal.turnout = 0; | |
newProposal.deadline = block.timestamp + 604800; | |
routineParams[index] = RoutineParams(interval, runwayDuration); | |
emit ProposalCreated(index, msg.sender, detail, target, callData, value, ProposalStatus.Pending); | |
} | |
function voteProposal(bool isUpvote, uint256 proposalId, uint8 proposalType, uint256 fftAmount) external { | |
require(proposalId < proposalCount, "Proposal does not exist"); | |
Proposal storage proposal = pendingProposals[proposalId]; | |
require(proposal.status == ProposalStatus.Pending, "Proposal not pending"); | |
require(uint8(proposal.proposalType) + 1 == proposalType, "Invalid proposal type"); | |
uint256 voterBalance = IERC721Enumerable(nftCollection).balanceOf(msg.sender); | |
require(voterBalance > 0, "Not an NFT holder"); | |
require(fftAmount > 0, "Invalid FFT amount"); | |
SafeERC20.safeTransferFrom(IERC20(fftToken), msg.sender, address(this), fftAmount); | |
_castVotes(proposalId, isUpvote, fftAmount, voterBalance); | |
if (block.timestamp >= proposal.deadline && proposal.turnout < (IERC721Enumerable(nftCollection).totalSupply() * turnoutThreshold) / 1000) { | |
moveToRejected(proposalId); | |
} | |
} | |
function _castVotes(uint256 proposalId, bool isUpvote, uint256 fftAmount, uint256 voterBalance) internal { | |
Proposal storage proposal = pendingProposals[proposalId]; | |
uint256 votesCast = 0; | |
uint256 maxIterations = voterBalance > MAX_VOTES_PER_CALL ? MAX_VOTES_PER_CALL : voterBalance; | |
for (uint256 i = 0; i < maxIterations && votesCast < MAX_VOTES_PER_CALL; i++) { | |
uint256 tokenId = IERC721Enumerable(nftCollection).tokenOfOwnerByIndex(msg.sender, i); | |
if (!nftVoted[proposalId][tokenId]) { | |
nftVoted[proposalId][tokenId] = true; | |
voterTokens[proposalId][msg.sender].push(tokenId); | |
if (isUpvote) { | |
proposal.votesFor = proposal.votesFor.add(1); | |
} else { | |
proposal.votesAgainst = proposal.votesAgainst.add(1); | |
} | |
proposal.turnout = proposal.turnout.add(1); | |
votesCast++; | |
emit Voted(proposalId, msg.sender, isUpvote, tokenId, fftAmount / maxIterations); | |
} | |
} | |
require(votesCast > 0, "No new votes cast"); | |
} | |
function finalizeProposals(uint256 proposalId, uint8 proposalType) external nonReentrant { | |
require(proposalId < proposalCount, "Proposal does not exist"); | |
Proposal storage proposal = pendingProposals[proposalId]; | |
require(proposal.status == ProposalStatus.Pending, "Proposal not pending"); | |
require(uint8(proposal.proposalType) + 1 == proposalType, "Invalid proposal type"); | |
uint256 finalizeTimeEnd = proposal.deadline - 604800 + finalizeTimeLimit; | |
require(block.timestamp >= finalizeTimeEnd, "Time limit not elapsed"); | |
if (proposalType == 1) { | |
_finalizeRegular(proposalId); | |
} else if (proposalType == 2) { | |
_finalizeRoutine(proposalId); | |
} else if (proposalType == 3) { | |
_finalizeRoutineRemoval(proposalId); | |
} | |
} | |
function _finalizeRegular(uint256 proposalId) internal { | |
Proposal storage proposal = pendingProposals[proposalId]; | |
uint256 currentSupply = IERC721Enumerable(nftCollection).totalSupply(); | |
if (proposal.turnout >= (currentSupply * turnoutThreshold) / 1000) { | |
uint256 totalVotes = proposal.votesFor + proposal.votesAgainst; | |
if (totalVotes > 0 && (proposal.votesFor * 1000) / totalVotes >= approvalThreshold) { | |
require(address(this).balance >= proposal.value, "Insufficient ETH balance"); | |
if (proposal.value > 0) { | |
(bool ethSuccess, ) = proposal.target.call{value: proposal.value}(""); | |
require(ethSuccess, "ETH transfer failed"); | |
emit ExecutionResult(proposalId, ethSuccess, true, ""); | |
} | |
if (proposal.callData.length > 0) { | |
(bool callSuccess, bytes memory returnData) = proposal.target.call(proposal.callData); | |
require(callSuccess, "Calldata execution failed"); | |
emit ExecutionResult(proposalId, true, callSuccess, returnData); | |
} | |
moveToPassed(proposalId); | |
} else { | |
moveToRejected(proposalId); | |
} | |
} else if (block.timestamp >= proposal.deadline) { | |
moveToRejected(proposalId); | |
} | |
} | |
function _finalizeRoutine(uint256 proposalId) internal { | |
Proposal storage proposal = pendingProposals[proposalId]; | |
uint256 currentSupply = IERC721Enumerable(nftCollection).totalSupply(); | |
if (proposal.turnout >= (currentSupply * turnoutThreshold) / 1000) { | |
uint256 totalVotes = proposal.votesFor + proposal.votesAgainst; | |
if (totalVotes > 0 && (proposal.votesFor * 1000) / totalVotes >= approvalThreshold) { | |
uint256 routineId = activeRoutineCount++; | |
activeRoutines[routineId] = Routine({ | |
index: routineId, | |
detail: proposal.detail, | |
target: proposal.target, | |
callData: proposal.callData, | |
value: proposal.value, | |
proposer: msg.sender, | |
interval: routineParams[proposalId].interval, | |
runwayEnd: block.timestamp + routineParams[proposalId].runwayDuration, | |
lastExecution: 0, | |
active: true, | |
proposalIndex: proposalId | |
}); | |
emit RoutineCreated(routineId, proposalId, proposal.target, proposal.callData, proposal.value, routineParams[proposalId].interval, block.timestamp + routineParams[proposalId].runwayDuration); | |
moveToPassed(proposalId); | |
} else { | |
moveToRejected(proposalId); | |
} | |
} else if (block.timestamp >= proposal.deadline) { | |
moveToRejected(proposalId); | |
} | |
} | |
function _finalizeRoutineRemoval(uint256 proposalId) internal { | |
Proposal storage proposal = pendingProposals[proposalId]; | |
uint256 currentSupply = IERC721Enumerable(nftCollection).totalSupply(); | |
if (proposal.turnout >= (currentSupply * turnoutThreshold) / 1000) { | |
uint256 totalVotes = proposal.votesFor + proposal.votesAgainst; | |
if (totalVotes > 0 && (proposal.votesFor * 1000) / totalVotes >= approvalThreshold) { | |
moveToPassed(proposalId); | |
} else { | |
moveToRejected(proposalId); | |
} | |
} else if (block.timestamp >= proposal.deadline) { | |
moveToRejected(proposalId); | |
} | |
} | |
function moveToPassed(uint256 pendingIndex) internal { | |
Proposal memory proposal = pendingProposals[pendingIndex]; | |
proposal.status = ProposalStatus.Passed; | |
uint256 newIndex = passedProposalCount++; | |
passedProposals[newIndex] = proposal; | |
passedProposals[newIndex].index = newIndex; | |
delete pendingProposals[pendingIndex]; | |
emit ProposalStatusUpdated(newIndex, ProposalStatus.Passed); | |
} | |
function moveToRejected(uint256 pendingIndex) internal { | |
Proposal memory proposal = pendingProposals[pendingIndex]; | |
proposal.status = ProposalStatus.Rejected; | |
uint256 newIndex = rejectedProposalCount++; | |
rejectedProposals[newIndex] = proposal; | |
rejectedProposals[newIndex].index = newIndex; | |
delete pendingProposals[pendingIndex]; | |
emit ProposalStatusUpdated(newIndex, ProposalStatus.Rejected); | |
} | |
function pushRoutine(uint256 routineIndex) external nonReentrant { | |
require(routineIndex < activeRoutineCount, "Routine does not exist"); | |
Routine storage routine = activeRoutines[routineIndex]; | |
require(routine.active, "Routine not active"); | |
require(address(this).balance >= routine.value, "Insufficient ETH balance"); | |
require(block.timestamp >= routine.lastExecution + routine.interval, "Interval not elapsed"); | |
if (block.timestamp >= routine.runwayEnd) { | |
removeRoutine(routineIndex); | |
revert("Runway expired"); | |
} | |
if (routine.value > 0 || routine.callData.length > 0) { | |
(bool success, bytes memory returnData) = routine.target.call{value: routine.value}(routine.callData); | |
require(success, "Execution failed"); | |
emit ExecutionResult(routineIndex, success, success, returnData); | |
} | |
routine.lastExecution = block.timestamp; | |
emit RoutineExecuted(routineIndex, block.timestamp); | |
} | |
function removeRoutine(uint256 routineIndex) internal { | |
require(routineIndex < activeRoutineCount, "Routine does not exist"); | |
delete activeRoutines[routineIndex]; | |
emit RoutineExpired(routineIndex); | |
} | |
function queryProposals(uint256 index) external view returns (ProposalData memory) { | |
Proposal memory proposal; | |
if (index < proposalCount) { | |
proposal = pendingProposals[index]; | |
} else if (index < passedProposalCount) { | |
proposal = passedProposals[index]; | |
} else if (index < rejectedProposalCount) { | |
proposal = rejectedProposals[index]; | |
} else { | |
revert("Proposal does not exist"); | |
} | |
uint256 finalizeTimeEnd = proposal.deadline - 604800 + finalizeTimeLimit; | |
uint256 finalizeTimeRemaining = (block.timestamp >= finalizeTimeEnd) ? 0 : finalizeTimeEnd - block.timestamp; | |
return ProposalData( | |
proposal.index, | |
proposal.detail, | |
proposal.target, | |
proposal.callData, | |
proposal.value, | |
proposal.proposalType, | |
proposal.status, | |
proposal.votesFor, | |
proposal.votesAgainst, | |
proposal.turnout, | |
proposal.deadline, | |
finalizeTimeRemaining | |
); | |
} | |
function queryRoutines(uint256 routineIndex) external view returns (RoutineData memory) { | |
require(routineIndex < activeRoutineCount, "Routine does not exist"); | |
Routine memory routine = activeRoutines[routineIndex]; | |
uint256 nextExecution = routine.lastExecution + routine.interval; | |
uint256 intervalTimeRemaining = (block.timestamp >= nextExecution) ? 0 : nextExecution - block.timestamp; | |
return RoutineData( | |
routine.index, | |
routine.detail, | |
routine.target, | |
routine.callData, | |
routine.value, | |
routine.proposer, | |
routine.interval, | |
routine.runwayEnd, | |
routine.lastExecution, | |
routine.active, | |
routine.proposalIndex, | |
intervalTimeRemaining | |
); | |
} | |
function getVoterTokens(uint256 proposalIndex, address voter) external view returns (uint256[] memory) { | |
return voterTokens[proposalIndex][voter]; | |
} | |
} |
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