Description:
Proxy contract enabling upgradeable smart contract patterns. Delegates calls to an implementation contract.
Blockchain: Ethereum
Source Code: View Code On The Blockchain
Solidity Source Code:
{{
"language": "Solidity",
"sources": {
"@openzeppelin/contracts-upgradeable/introspection/IERC165Upgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;
/**
* @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 IERC165Upgradeable {
/**
* @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);
}
"
},
"@openzeppelin/contracts-upgradeable/math/SafeMathUpgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;
/**
* @dev Wrappers over Solidity's arithmetic operations with added overflow
* checks.
*
* Arithmetic operations in Solidity wrap on overflow. This can easily result
* in bugs, because programmers usually assume that an overflow raises an
* error, which is the standard behavior in high level programming languages.
* `SafeMath` restores this intuition by reverting the transaction when an
* operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*/
library SafeMathUpgradeable {
/**
* @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) {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
/**
* @dev Returns the substraction of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
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) {
// 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) {
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) {
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) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
/**
* @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) {
require(b <= a, "SafeMath: subtraction overflow");
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) {
if (a == 0) return 0;
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
/**
* @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. 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) internal pure returns (uint256) {
require(b > 0, "SafeMath: division by zero");
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) {
require(b > 0, "SafeMath: modulo by zero");
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) {
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.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryDiv}.
*
* 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) {
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) {
require(b > 0, errorMessage);
return a % b;
}
}
"
},
"@openzeppelin/contracts-upgradeable/proxy/Initializable.sol": {
"content": "// SPDX-License-Identifier: MIT
// solhint-disable-next-line compiler-version
pragma solidity >=0.4.24 <0.8.0;
import "../utils/AddressUpgradeable.sol";
/**
* @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
* behind a proxy. Since a proxied contract can't have a constructor, it's common to move constructor logic to an
* external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
* function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
*
* TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
* possible by providing the encoded function call as the `_data` argument to {UpgradeableProxy-constructor}.
*
* CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
* that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
*/
abstract contract Initializable {
/**
* @dev Indicates that the contract has been initialized.
*/
bool private _initialized;
/**
* @dev Indicates that the contract is in the process of being initialized.
*/
bool private _initializing;
/**
* @dev Modifier to protect an initializer function from being invoked twice.
*/
modifier initializer() {
require(_initializing || _isConstructor() || !_initialized, "Initializable: contract is already initialized");
bool isTopLevelCall = !_initializing;
if (isTopLevelCall) {
_initializing = true;
_initialized = true;
}
_;
if (isTopLevelCall) {
_initializing = false;
}
}
/// @dev Returns true if and only if the function is running in the constructor
function _isConstructor() private view returns (bool) {
return !AddressUpgradeable.isContract(address(this));
}
}
"
},
"@openzeppelin/contracts-upgradeable/token/ERC20/ERC20Upgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;
import "../../utils/ContextUpgradeable.sol";
import "./IERC20Upgradeable.sol";
import "../../math/SafeMathUpgradeable.sol";
import "../../proxy/Initializable.sol";
/**
* @dev Implementation of the {IERC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
* For a generic mechanism see {ERC20PresetMinterPauser}.
*
* TIP: For a detailed writeup see our guide
* https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* We have followed general OpenZeppelin guidelines: functions revert instead
* of returning `false` on failure. This behavior is nonetheless conventional
* and does not conflict with the expectations of ERC20 applications.
*
* Additionally, an {Approval} event is emitted on calls to {transferFrom}.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
* functions have been added to mitigate the well-known issues around setting
* allowances. See {IERC20-approve}.
*/
contract ERC20Upgradeable is Initializable, ContextUpgradeable, IERC20Upgradeable {
using SafeMathUpgradeable for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
function __ERC20_init(string memory name_, string memory symbol_) internal initializer {
__Context_init_unchained();
__ERC20_init_unchained(name_, symbol_);
}
function __ERC20_init_unchained(string memory name_, string memory symbol_) internal initializer {
_name = name_;
_symbol = symbol_;
_decimals = 18;
}
/**
* @dev Returns the name of the token.
*/
function name() public view virtual returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view virtual returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view virtual returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view virtual override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Sets {decimals} to a value other than the default one of 18.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/
function _setupDecimals(uint8 decimals_) internal virtual {
_decimals = decimals_;
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
uint256[44] private __gap;
}
"
},
"@openzeppelin/contracts-upgradeable/token/ERC20/IERC20Upgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20Upgradeable {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, uint256 amount) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
}
"
},
"@openzeppelin/contracts-upgradeable/token/ERC721/IERC721ReceiverUpgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;
/**
* @title ERC721 token receiver interface
* @dev Interface for any contract that wants to support safeTransfers
* from ERC721 asset contracts.
*/
interface IERC721ReceiverUpgradeable {
/**
* @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}
* by `operator` from `from`, this function is called.
*
* It must return its Solidity selector to confirm the token transfer.
* If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.
*
* The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`.
*/
function onERC721Received(address operator, address from, uint256 tokenId, bytes calldata data) external returns (bytes4);
}
"
},
"@openzeppelin/contracts-upgradeable/utils/AddressUpgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;
/**
* @dev Collection of functions related to the address type
*/
library AddressUpgradeable {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize, which returns 0 for contracts in
// construction, since the code is only stored at the end of the
// constructor execution.
uint256 size;
// solhint-disable-next-line no-inline-assembly
assembly { size := extcodesize(account) }
return size > 0;
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(bool success, ) = recipient.call{ value: amount }("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain`call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
require(isContract(target), "Address: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.call{ value: value }(data);
return _verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) {
require(isContract(target), "Address: static call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.staticcall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
// solhint-disable-next-line no-inline-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
"
},
"@openzeppelin/contracts-upgradeable/utils/ContextUpgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;
import "../proxy/Initializable.sol";
/*
* @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 GSN 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 ContextUpgradeable is Initializable {
function __Context_init() internal initializer {
__Context_init_unchained();
}
function __Context_init_unchained() internal initializer {
}
function _msgSender() internal view virtual returns (address payable) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes memory) {
this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
return msg.data;
}
uint256[50] private __gap;
}
"
},
"@openzeppelin/contracts-upgradeable/utils/ReentrancyGuardUpgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;
import "../proxy/Initializable.sol";
/**
* @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 ReentrancyGuardUpgradeable is Initializable {
// 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;
function __ReentrancyGuard_init() internal initializer {
__ReentrancyGuard_init_unchained();
}
function __ReentrancyGuard_init_unchained() internal initializer {
_status = _NOT_ENTERED;
}
/**
* @dev Prevents a contract from calling itself, directly or indirectly.
* Calling a `nonReentrant` function from another `nonReentrant`
* function is not supported. It is possible to prevent this from happening
* by making the `nonReentrant` function external, and make it call a
* `private` function that does the actual work.
*/
modifier nonReentrant() {
// On the first call to nonReentrant, _notEntered will be true
require(_status != _ENTERED, "ReentrancyGuard: reentrant call");
// Any calls to nonReentrant after this point will fail
_status = _ENTERED;
_;
// By storing the original value once again, a refund is triggered (see
// https://eips.ethereum.org/EIPS/eip-2200)
_status = _NOT_ENTERED;
}
uint256[49] private __gap;
}
"
},
"@openzeppelin/contracts/math/SafeMath.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;
/**
* @dev Wrappers over Solidity's arithmetic operations with added overflow
* checks.
*
* Arithmetic operations in Solidity wrap on overflow. This can easily result
* in bugs, because programmers usually assume that an overflow raises an
* error, which is the standard behavior in high level programming languages.
* `SafeMath` restores this intuition by reverting the transaction when an
* operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*/
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) {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
/**
* @dev Returns the substraction of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
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) {
// 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) {
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) {
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) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
/**
* @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) {
require(b <= a, "SafeMath: subtraction overflow");
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) {
if (a == 0) return 0;
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
/**
* @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. 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) internal pure returns (uint256) {
require(b > 0, "SafeMath: division by zero");
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) {
require(b > 0, "SafeMath: modulo by zero");
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) {
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.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryDiv}.
*
* 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) {
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) {
require(b > 0, errorMessage);
return a % b;
}
}
"
},
"contracts/interfaces/aave/IFlashLoanReceiver.sol": {
"content": "// SPDX-License-Identifier: AGPL-3.0
pragma solidity 0.7.6;
/**
* @title IFlashLoanReceiver interface
* @notice Interface for the Aave fee IFlashLoanReceiver.
* @author Aave
* @dev implement this interface to develop a flashloan-compatible flashLoanReceiver contract
**/
interface IFlashLoanReceiver {
function executeOperation(
address[] calldata assets,
uint256[] calldata amounts,
uint256[] calldata premiums,
address initiator,
bytes calldata params
) external returns (bool);
}
"
},
"contracts/interfaces/guards/IAaveLendingPoolAssetGuard.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity 0.7.6;
pragma experimental ABIEncoderV2;
import {IAssetGuard} from "./IAssetGuard.sol";
interface IAaveLendingPoolAssetGuard {
function flashloanProcessing(
address pool,
address repayAsset,
uint256 repayAmount,
uint256 premium,
bytes calldata params
) external view returns (IAssetGuard.MultiTransaction[] memory transactions);
function aaveLendingPool() external view returns (address lendingPool);
}
"
},
"contracts/interfaces/guards/IAssetGuard.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity >=0.7.6;
pragma experimental ABIEncoderV2;
interface IAssetGuard {
struct MultiTransaction {
address to;
bytes txData;
}
function withdrawProcessing(
address pool,
address asset,
uint256 withdrawPortion,
address to
) external returns (address, uint256, MultiTransaction[] memory transactions);
function getBalance(address pool, address asset) external view returns (uint256 balance);
function getDecimals(address asset) external view returns (uint256 decimals);
function removeAssetCheck(address poolLogic, address asset) external view;
}
"
},
"contracts/interfaces/guards/IComplexAssetGuard.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity >=0.7.6;
pragma experimental ABIEncoderV2;
import {IAssetGuard} from "./IAssetGuard.sol";
interface IComplexAssetGuard {
/// @notice Processes the withdrawal of a complex asset
/// @param pool The PoolLogic address
/// @param asset The asset to be withdrawn
/// @param withdrawPortion The portion of asset to be withdrawn
/// @param to The recipient address
/// @param withdrawData Custom withdraw data specific to the asset
/// @return withdrawAsset Asset received after processing the withdrawal
/// @return withdrawBalance Portion of withdraw asset which goes to depositor
/// @return transactions Transaction data to execute in the PoolLogic
function withdrawProcessing(
address pool,
address asset,
uint256 withdrawPortion,
address to,
bytes memory withdrawData
)
external
returns (address withdrawAsset, uint256 withdrawBalance, IAssetGuard.MultiTransaction[] memory transactions);
}
"
},
"contracts/interfaces/guards/IERC721VerifyingGuard.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity 0.7.6;
interface IERC721VerifyingGuard {
function verifyERC721(
address operator,
address from,
uint256 tokenId,
bytes calldata
) external returns (bool verified);
}
"
},
"contracts/interfaces/guards/IGuard.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity 0.7.6;
interface IGuard {
function txGuard(
address poolManagerLogic,
address to,
bytes calldata data
) external returns (uint16 txType, bool isPublic); // TODO: eventually update `txType` to be of enum type as per ITransactionTypes
}
"
},
"contracts/interfaces/guards/ITxTrackingGuard.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity 0.7.6;
import {IGuard} from "./IGuard.sol";
interface ITxTrackingGuard is IGuard {
function isTxTrackingGuard() external view returns (bool);
function afterTxGuard(address poolManagerLogic, address to, bytes calldata data) external;
}
"
},
"contracts/interfaces/IGovernance.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity 0.7.6;
interface IGovernance {
function contractGuards(address target) external view returns (address guard);
function assetGuards(uint16 assetType) external view returns (address guard);
}
"
},
"contracts/interfaces/IHasDaoInfo.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity 0.7.6;
interface IHasDaoInfo {
function getDaoFee() external view returns (uint256, uint256);
function daoAddress() external view returns (address);
}
"
},
"contracts/interfaces/IHasFeeInfo.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity 0.7.6;
interface IHasFeeInfo {
function getMaximumFee() external view returns (uint256, uint256, uint256, uint256, uint256);
function maximumPerformanceFeeNumeratorChange() external view returns (uint256);
function performanceFeeNumeratorChangeDelay() external view returns (uint256);
function getExitCooldown() external view returns (uint256);
function feeDenominator() external view returns (uint256);
}
"
},
"contracts/interfaces/IHasGuardInfo.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity 0.7.6;
interface IHasGuardInfo {
// Get guard
function getContractGuard(address extContract) external view returns (address);
// Get asset guard
function getAssetGuard(address extContract) external view returns (address);
}
"
},
"contracts/interfaces/IHasOwnable.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity 0.7.6;
interface IHasOwnable {
function owner() external view returns (address);
}
"
},
"contracts/interfaces/IHasPausable.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity 0.7.6;
interface IHasPausable {
function isPaused() external view returns (bool);
function pausedPools(address pool) external view returns (bool);
function tradingPausedPools(address pool) external view returns (bool);
}
"
},
"contracts/interfaces/IHasSupportedAsset.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity >=0.7.6;
pragma experimental ABIEncoderV2;
interface IHasSupportedAsset {
struct Asset {
address asset;
bool isDeposit;
}
function getSupportedAssets() external view returns (Asset[] memory);
function isSupportedAsset(address asset) external view returns (bool);
}
"
},
"contracts/interfaces/IManaged.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity 0.7.6;
interface IManaged {
function manager() external view returns (address);
function trader() external view returns (address);
function managerName() external view returns (string memory);
}
"
},
"contracts/interfaces/IPoolFactory.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity >=0.7.6;
interface IPoolFactory {
function governanceAddress() external view returns (address);
function isPool(address pool) external view returns (bool);
function customCooldownWhitelist(address from) external view returns (bool);
function receiverWhitelist(address to) external view returns (bool);
function emitPoolEvent() external;
function emitPoolManagerEvent() external;
function isValidAsset(address asset) external view returns (bool);
function getAssetPrice(address asset) external view returns (uint256);
function getAssetHandler() external view returns (address);
}
"
},
"contracts/interfaces/IPoolLogic.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity >=0.7.6;
pragma abicoder v2;
interface IPoolLogic {
struct ComplexAsset {
address supportedAsset;
bytes withdrawData; // at the moment could be only struct ComplexAssetSwapData
uint256 slippageTolerance; // duplicated from ComplexAssetSwapData on purpose
}
function factory() external view returns (address);
function poolManagerLogic() external view returns (address);
function setPoolManagerLogic(address _poolManagerLogic) external;
function calculateAvailableManagerFee(uint256 _fundValue) external view returns (uint256 fee);
function tokenPrice() external view returns (uint256 price);
function tokenPriceWithoutManagerFee() external view returns (uint256 price);
function mintManagerFee() external;
function deposit(address _asset, uint256 _amount) external returns (uint256 liquidityMinted);
function depositForWithCustomCooldown(
address _recipient,
address _asset,
uint256 _amount,
uint256 _cooldown
) external returns (uint256 liquidityMinted);
function withdraw(uint256 _fundTokenAmount) external;
function withdrawSafe(uint256 _fundTokenAmount, ComplexAsset[] memory _complexAssetsData) external;
function withdrawToSafe(
address _recipient,
uint256 _fundTokenAmount,
ComplexAsset[] memory _complexAssetsData
) external;
function setPoolPrivate(bool _privatePool) external;
function totalSupply() external view returns (uint256 supply);
function transfer(address to, uint256 value) external returns (bool);
function balanceOf(address owner) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function symbol() external view returns (string memory);
function transferFrom(address from, address to, uint256 value) external returns (bool);
function getExitRemainingCooldown(address sender) external view returns (uint256 remaining);
}
"
},
"contracts/interfaces/IPoolManagerLogic.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity 0.7.6;
interface IPoolManagerLogic {
function poolLogic() external view returns (address);
function isDepositAsset(address asset) external view returns (bool);
function validateAsset(address asset) external view returns (bool);
function assetValue(address asset) external view returns (uint256);
function assetValue(address asset, uint256 amount) external view returns (uint256);
function assetBalance(address asset) external view returns (uint256 balance);
function factory() external view returns (address);
function setPoolLogic(address fundAddress) external returns (bool);
function totalFundValue() external view returns (uint256);
function isMemberAllowed(address member) external view returns (bool);
function getFee() external view returns (uint256, uint256, uint256, uint256, uint256);
function minDepositUSD() external view returns (uint256);
function getEntryFeeInfo()
external
view
returns (uint256 entryFeeNumerator, uint256 poolFeeShareNumerator, uint256 feeDenominator);
function getExitFeeInfo()
external
view
returns (uint256 exitFeeNumerator, uint256 poolFeeShareNumerator, uint256 feeDenominator);
function maxSupplyCap() external view returns (uint256 supplyCap);
}
"
},
"contracts/PoolLogic.sol": {
"content": "//
// __ __ __ ________ _______ ______ ________
// / |/ | / |/ |/ \ / \ / |
// ____$$ |$$ | $$ |$$$$$$$$/ $$$$$$$ |/$$$$$$ |$$$$$$$$/
// / $$ |$$ |__$$ |$$ |__ $$ | $$ |$$ | _$$/ $$ |__
// /$$$$$$$ |$$ $$ |$$ | $$ | $$ |$$ |/ |$$ |
// $$ | $$ |$$$$$$$$ |$$$$$/ $$ | $$ |$$ |$$$$ |$$$$$/
// $$ \__$$ |$$ | $$ |$$ |_____ $$ |__$$ |$$ \__$$ |$$ |_____
// $$ $$ |$$ | $$ |$$ |$$ $$/ $$ $$/ $$ |
// $$$$$$$/ $$/ $$/ $$$$$$$$/ $$$$$$$/ $$$$$$/ $$$$$$$$/
//
// dHEDGE DAO - https://dhedge.org
//
// Copyright (c) 2025 dHEDGE DAO
//
// SPDX-License-Identifier: MIT
pragma solidity 0.7.6;
pragma experimental ABIEncoderV2;
import {IERC165Upgradeable} from "@openzeppelin/contracts-upgradeable/introspection/IERC165Upgradeable.sol";
import {SafeMathUpgradeable} from "@openzeppelin/contracts-upgradeable/math/SafeMathUpgradeable.sol";
import {ERC20Upgradeable} from "@openzeppelin/contracts-upgradeable/token/ERC20/ERC20Upgradeable.sol";
import {IERC20Upgradeable} from "@openzeppelin/contracts-upgradeable/token/ERC20/IERC20Upgradeable.sol";
import {IERC721ReceiverUpgradeable} from "@openzeppelin/contracts-upgradeable/token/ERC721/IERC721ReceiverUpgradeable.sol";
import {ReentrancyGuardUpgradeable} from "@openzeppelin/contracts-upgradeable/utils/ReentrancyGuardUpgradeable.sol";
import {IFlashLoanReceiver} from "./interfaces/aave/IFlashLoanReceiver.sol";
import {IAaveLendingPoolAssetGuard} from "./interfaces/guards/IAaveLendingPoolAssetGuard.sol";
import {IAssetGuard} from "./interfaces/guards/IAssetGuard.sol";
import {IERC721VerifyingGuard} from "./interfaces/guards/IERC721VerifyingGuard.sol";
import {IGuard} from "./interfaces/guards/IGuard.sol";
import {IComplexAssetGuard} from "./interfaces/guards/IComplexAssetGuard.sol";
import {ITxTrackingGuard} from "./interfaces/guards/ITxTrackingGuard.sol";
import {IGovernance} from "./interfaces/IGovernance.sol";
import {IHasDaoInfo} from "./interfaces/IHasDaoInfo.sol";
import {IHasFeeInfo} from "./interfaces/IHasFeeInfo.sol";
import {IHasGuardInfo} from "./interfaces/IHasGuardInfo.sol";
import {IHasOwnable} from "./interfaces/IHasOwnable.sol";
import {IHasPausable} from "./interfaces/IHasPausable.sol";
import {IHasSupportedAsset} from "./interfaces/IHasSupportedAsset.sol";
import {IManaged} from "./interfaces/IManaged.sol";
import {IPoolFactory} from "./interfaces/IPoolFactory.sol";
import {IPoolLogic} from "./interfaces/IPoolLogic.sol";
import {IPoolManagerLogic} from "./interfaces/IPoolManagerLogic.sol";
import {AddressHelper} from "./utils/AddressHelper.sol";
import {PoolLogicLib} from "./utils/PoolLogicLib.sol";
/// @notice Logic implementation for pool
contract PoolLogic is ERC20Upgradeable, ReentrancyGuardUpgradeable, IERC721ReceiverUpgradeable, IFlashLoanReceiver {
using SafeMathUpgradeable for uint256;
using AddressHelper for address;
struct FundSummary {
string name;
uint256 totalSupply;
uint256 totalFundValue;
address manager;
string managerName;
uint256 creationTime;
bool privatePool;
uint256 performanceFeeNumerator;
uint256 managerFeeNumerator;
uint256 managerFeeDenominator;
uint256 exitFeeNumerator;
uint256 exitFeeDenominator;
uint256 entryFeeNumerator;
}
struct TxToExecute {
address to;
bytes data;
}
struct WithdrawnAsset {
address asset;
uint256 amount;
bool externalWithdrawProcessed;
}
/// @dev For stack too deep error
struct WithdrawProcessing {
uint256 portionBalance;
uint256 expectedWithdrawValue;
bool regularProcessingUsed;
address guard;
}
/// @dev For stack too deep error
struct WithdrawExecution {
uint256 fundValue;
uint256 supplyAfterMint;
uint256 supplyAfterMintAndBurn;
uint256 valueWithdrawn;
}
struct DepositExecution {
uint256 fundValue;
uint256 usdAmount;
}
event Deposit(
address fundAddress,
address investor,
address assetDeposited,
uint256 amountDeposited,
uint256 valueDeposited,
uint256 fundTokensReceived,
uint256 totalInvestorFundTokens,
uint256 fundValue,
uint256 totalSupply,
uint256 time
);
event Withdrawal(
address fundAddress,
address investor,
uint256 valueWithdrawn,
uint256 fundTokensWithdrawn,
uint256 totalInvestorFundTokens,
uint256 fundValue,
uint256 totalSupply,
WithdrawnAsset[] withdrawnAssets,
uint256 time
);
event TransactionExecuted(address pool, address manager, uint16 transactionType, uint256 time);
event PoolPrivacyUpdated(bool isPoolPrivate);
event ManagerFeeMinted(
address pool,
address manager,
uint256 available,
uint256 daoFee,
uint256 managerFee,
uint256 tokenPriceAtLastFeeMint
);
event PoolManagerLogicSet(address poolManagerLogic, address from);
event EntryFeeMinted(address recipient, uint256 entryFeeAmount);
/// @dev Correct name should be ExitFeeTransferred
event ExitFeeMinted(address recipient, uint256 exitFeeAmount);
bool public privatePool;
address public creator;
uint256 public creationTime;
address public factory;
uint256 public tokenPriceAtLastFeeMint;
mapping(address => uint256) public lastDeposit;
address public poolManagerLogic;
mapping(address => uint256) public lastWhitelistTransfer;
uint256 public lastFeeMintTime;
mapping(address => uint256) public lastExitCooldown;
modifier whenNotFactoryPaused() {
_checkFactoryPaused();
_;
}
modifier whenNotPaused() {
_checkPoolPaused();
_;
}
/// @notice Initialize the pool
/// @param _factory address of the factory
/// @param _privatePool true if the pool is private, false otherwise
/// @param _fundName name of the fund
/// @param _fundSymbol symbol of the fund
function initialize(
address _factory,
bool _privatePool,
string memory _fundName,
string memory _fundSymbol
) external initializer {
__ERC20_init(_fundName, _fundSymbol);
__ReentrancyGuard_init();
factory = _factory;
privatePool = _privatePool;
creator = msg.sender;
creationTime = block.timestamp;
lastFeeMintTime = block.timestamp;
tokenPriceAtLastFeeMint = 10 ** 18;
}
/// @notice Before token transfer hook
/// @param _from address of the token owner
/// @param _to address of the token receiver
function _beforeTokenTransfer(
address _from,
address _to,
uint256
) internal view override whenNotFactoryPaused whenNotPaused {
// Handle minting case. Note that max supply check is done at ::computeLiquidityMintTo
if (_from == address(0)) {
return;
}
// Handle whitelisted receivers - no cooldown check needed
if (IPoolFactory(factory).receiverWhitelist(_to)) {
return;
}
// For the rest - check exit cooldown
require(getExitRemainingCooldown(_from) == 0, "dh3");
}
/// @notice Set the pool privacy
/// @dev Can only be called by the pool manager logic contract, end users should use PoolManagerLogic to change privacy
/// @param _privatePool true if the pool is private, false otherwise
function setPoolPrivate(bool _privatePool) external {
require(msg.sender == poolManagerLogic, "dh31");
privatePool = _privatePool;
emit PoolPrivacyUpdated(_privatePool);
_emitFactoryEvent();
}
/// @notice Deposit funds into the pool
/// @param _asset Address of the token
/// @param _amount Amount of tokens to deposit
/// @return liquidityMinted Amount of liquidity minted
function deposit(address _asset, uint256 _amount) external returns (uint256 liquidityMinted) {
return _depositFor(msg.sender, _asset, _amount, _exitCooldown());
}
/// @notice Deposit funds into the pool for a specific recipient with a custom lockup time
/// @dev This function allows the recipient to be different from the sender and sets a custom lockup time.
/// Sender must be authorized by the owner
/// @param _recipient Address of the recipient
/// @param _asset Address of the token
/// @param _amount Amount of tokens to deposit
/// @param _cooldown Custom lockup time after the deposit
/// @return liquidityMinted Amount of liquidity minted
function depositForWithCustomCooldown(
address _recipient,
address _asset,
uint256 _amount,
uint256 _cooldown
) external returns (uint256 liquidityMinted) {
require(IPoolFactory(factory).cu
Submitted on: 2025-09-22 17:06:54
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