Overview
Max Total Supply
338,801.81566112752 PGU
Holders
543 (0.00%)
Market
Onchain Market Cap
$0.00
Circulating Supply Market Cap
-
Other Info
Token Contract (WITH 18 Decimals)
Balance
46.6052325 PGUValue
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Contract Name:
PGU
Compiler Version
v0.6.12+commit.27d51765
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
//SPDX-License-Identifier: AGPL-3.0-only pragma solidity 0.6.12; import "./BaseMinterPauserToken.sol"; contract PGU is BaseMinterPauserToken { /* State Variables */ string private constant NAME = "Polyient Games Unity"; string private constant SYMBOL = "PGU"; uint8 private constant DECIMALS = 18; /* Constructor */ constructor(address settingsAddress) public BaseMinterPauserToken(settingsAddress, NAME, SYMBOL, DECIMALS) {} }
//SPDX-License-Identifier: AGPL-3.0-only pragma solidity 0.6.12; // Contracts import "../roles/RolesManagerConsts.sol"; // Libraries import "@openzeppelin/contracts/utils/Address.sol"; // Interfaces import "../settings/IPlatformSettings.sol"; import "../roles/IRolesManager.sol"; abstract contract Base { using Address for address; /* Constant Variables */ /* State Variables */ address private settings; /* Modifiers */ modifier onlyOwner(address account) { _requireHasRole( RolesManagerConsts(_rolesManager().consts()).OWNER_ROLE(), account, "SENDER_ISNT_OWNER" ); _; } modifier onlyMinter(address account) { _requireHasRole( RolesManagerConsts(_rolesManager().consts()).MINTER_ROLE(), account, "SENDER_ISNT_MINTER" ); _; } /* Constructor */ constructor(address settingsAddress) internal { require(settingsAddress.isContract(), "SETTINGS_MUST_BE_CONTRACT"); settings = settingsAddress; } /** Internal Functions */ function _settings() internal view returns (IPlatformSettings) { return IPlatformSettings(settings); } function _rolesManager() internal view returns (IRolesManager) { return IRolesManager(IPlatformSettings(settings).rolesManager()); } function _requireHasRole( bytes32 role, address account, string memory message ) internal view { IRolesManager rolesManager = _rolesManager(); rolesManager.requireHasRole(role, account, message); } }
//SPDX-License-Identifier: AGPL-3.0-only pragma solidity 0.6.12; contract RolesManagerConsts { /** @notice It is the AccessControl.DEFAULT_ADMIN_ROLE role. */ bytes32 public constant OWNER_ROLE = keccak256(""); bytes32 public constant PAUSER_ROLE = keccak256("PAUSER_ROLE"); bytes32 public constant MINTER_ROLE = keccak256("MINTER_ROLE"); bytes32 public constant CONFIGURATOR_ROLE = keccak256("CONFIGURATOR_ROLE"); bytes32 public constant VAULT_CONFIGURATOR_ROLE = keccak256("VAULT_CONFIGURATOR_ROLE"); }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.2; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // This method relies in extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; // solhint-disable-next-line no-inline-assembly assembly { size := extcodesize(account) } return size > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} 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"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
//SPDX-License-Identifier: AGPL-3.0-only pragma solidity 0.6.12; pragma experimental ABIEncoderV2; import "../libs/SettingsLib.sol"; interface IPlatformSettings { event PlatformPaused(address indexed pauser); event PlatformUnpaused(address indexed unpauser); event PlatformSettingCreated( bytes32 indexed name, address indexed creator, uint256 minValue, uint256 value, uint256 maxValue ); event PlatformSettingRemoved(bytes32 indexed name, address indexed remover, uint256 value); event PlatformSettingUpdated( bytes32 indexed name, address indexed remover, uint256 oldValue, uint256 newValue ); function createSetting( bytes32 name, uint256 value, uint256 min, uint256 max ) external; function removeSetting(bytes32 name) external; function getSetting(bytes32 name) external view returns (SettingsLib.Setting memory); function getSettingValue(bytes32 name) external view returns (uint256); function hasSetting(bytes32 name) external view returns (bool); function rolesManager() external view returns (address); function isPaused() external view returns (bool); function requireIsPaused() external view; function requireIsNotPaused() external view; function pause() external; function unpause() external; }
//SPDX-License-Identifier: AGPL-3.0-only pragma solidity 0.6.12; interface IRolesManager { event MaxMultiItemsUpdated(address indexed updater, uint8 oldValue, uint8 newValue); function setMaxMultiItems(uint8 newMaxMultiItems) external; function multiGrantRole(bytes32 role, address[] calldata accounts) external; function multiRevokeRole(bytes32 role, address[] calldata accounts) external; function consts() external view returns (address); function maxMultiItems() external view returns (uint8); function requireHasRole(bytes32 role, address account) external view; function requireHasRole( bytes32 role, address account, string calldata message ) external view; }
//SPDX-License-Identifier: AGPL-3.0-only pragma solidity 0.6.12; library SettingsLib { /** It defines a setting. It includes: value, min, and max values. */ struct Setting { uint256 value; uint256 min; uint256 max; bool exists; } /** @notice It creates a new setting given a name, min and max values. @param value initial value for the setting. @param min min value allowed for the setting. @param max max value allowed for the setting. */ function create( Setting storage self, uint256 value, uint256 min, uint256 max ) internal { requireNotExists(self); require(value >= min, "VALUE_MUST_BE_GT_MIN_VALUE"); require(value <= max, "VALUE_MUST_BE_LT_MAX_VALUE"); self.value = value; self.min = min; self.max = max; self.exists = true; } /** @notice Checks whether the current setting exists or not. @dev It throws a require error if the setting already exists. @param self the current setting. */ function requireNotExists(Setting storage self) internal view { require(!self.exists, "SETTING_ALREADY_EXISTS"); } /** @notice Checks whether the current setting exists or not. @dev It throws a require error if the current setting doesn't exist. @param self the current setting. */ function requireExists(Setting storage self) internal view { require(self.exists, "SETTING_NOT_EXISTS"); } /** @notice It updates a current setting. @dev It throws a require error if: - The new value is equal to the current value. - The new value is not lower than the max value. - The new value is not greater than the min value @param self the current setting. @param newValue the new value to set in the setting. */ function update(Setting storage self, uint256 newValue) internal returns (uint256 oldValue) { requireExists(self); require(self.value != newValue, "NEW_VALUE_REQUIRED"); require(newValue >= self.min, "NEW_VALUE_MUST_BE_GT_MIN_VALUE"); require(newValue <= self.max, "NEW_VALUE_MUST_BE_LT_MAX_VALUE"); oldValue = self.value; self.value = newValue; } /** @notice It removes a current setting. @param self the current setting to remove. */ function remove(Setting storage self) internal { requireExists(self); self.value = 0; self.min = 0; self.max = 0; self.exists = false; } }
//SPDX-License-Identifier: AGPL-3.0-only pragma solidity 0.6.12; // Contracts import "@openzeppelin/contracts/token/ERC20/ERC20Burnable.sol"; import "@openzeppelin/contracts/GSN/Context.sol"; import "../base/Base.sol"; contract BaseMinterPauserToken is Base, Context, ERC20Burnable { constructor( address settingsAddress, string memory name, string memory symbol, uint8 decimals ) internal Base(settingsAddress) ERC20(name, symbol) { _setupDecimals(decimals); } /** * @dev Creates `amount` new tokens for `to`. * * See {ERC20-_mint}. * * Requirements: * * - the caller must have the `MINTER_ROLE`. */ function mint(address to, uint256 amount) external onlyMinter(_msgSender()) { _mint(to, amount); } function _beforeTokenTransfer( address from, address to, uint256 amount ) internal virtual override { super._beforeTokenTransfer(from, to, amount); _settings().requireIsNotPaused(); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.0; import "../../GSN/Context.sol"; import "./ERC20.sol"; /** * @dev Extension of {ERC20} that allows token holders to destroy both their own * tokens and those that they have an allowance for, in a way that can be * recognized off-chain (via event analysis). */ abstract contract ERC20Burnable is Context, ERC20 { /** * @dev Destroys `amount` tokens from the caller. * * See {ERC20-_burn}. */ function burn(uint256 amount) public virtual { _burn(_msgSender(), amount); } /** * @dev Destroys `amount` tokens from `account`, deducting from the caller's * allowance. * * See {ERC20-_burn} and {ERC20-allowance}. * * Requirements: * * - the caller must have allowance for ``accounts``'s tokens of at least * `amount`. */ function burnFrom(address account, uint256 amount) public virtual { uint256 decreasedAllowance = allowance(account, _msgSender()).sub(amount, "ERC20: burn amount exceeds allowance"); _approve(account, _msgSender(), decreasedAllowance); _burn(account, amount); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.0; /* * @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 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 Context { 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; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.0; import "../../GSN/Context.sol"; import "./IERC20.sol"; import "../../math/SafeMath.sol"; import "../../utils/Address.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 ERC20 is Context, IERC20 { using SafeMath for uint256; using Address for address; 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. */ constructor (string memory name, string memory symbol) public { _name = name; _symbol = symbol; _decimals = 18; } /** * @dev Returns the name of the token. */ function name() public view returns (string memory) { return _name; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol() public view 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 returns (uint8) { return _decimals; } /** * @dev See {IERC20-totalSupply}. */ function totalSupply() public view override returns (uint256) { return _totalSupply; } /** * @dev See {IERC20-balanceOf}. */ function balanceOf(address account) public view 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 { _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 { } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.0; /** * @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, 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) { return sub(a, b, "SafeMath: subtraction overflow"); } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * 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); uint256 c = a - b; return c; } /** * @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) { // 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 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts 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) { return div(a, b, "SafeMath: division by zero"); } /** * @dev Returns the integer division of two unsigned integers. Reverts 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) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts 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 mod(a, b, "SafeMath: modulo by zero"); } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message 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, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } }
//SPDX-License-Identifier: AGPL-3.0-only pragma solidity 0.6.12; pragma experimental ABIEncoderV2; // Libraries import "@openzeppelin/contracts/utils/Address.sol"; import "../libs/SettingsLib.sol"; // Contracts import "@openzeppelin/contracts/utils/Pausable.sol"; import "../roles/RolesManagerConsts.sol"; // Interfaces import "./IPlatformSettings.sol"; import "../roles/IRolesManager.sol"; contract PlatformSettings is IPlatformSettings { using Address for address; using SettingsLib for SettingsLib.Setting; /** Constants */ /* State Variables */ /** @notice This mapping represents the platform settings where: - The key is the platform setting name. - The value is the platform setting. It includes the value, minimum and maximum values. */ mapping(bytes32 => SettingsLib.Setting) public settings; bool public paused; address public override rolesManager; /** Modifiers */ modifier onlyPauser(address account) { _rolesManager().requireHasRole( _rolesManagerConsts().PAUSER_ROLE(), account, "SENDER_ISNT_PAUSER" ); _; } modifier onlyConfigurator(address account) { _rolesManager().requireHasRole( _rolesManagerConsts().CONFIGURATOR_ROLE(), account, "SENDER_ISNT_CONFIGURATOR" ); _; } /* Constructor */ constructor(address rolesManagerAddress) public { require(rolesManagerAddress.isContract(), "ROLES_MANAGER_MUST_BE_CONTRACT"); rolesManager = rolesManagerAddress; } /** External Functions */ /** @notice It creates a new platform setting given a name, value, min and max values. @param name setting name to create. @param value the initial value for the given setting name. @param min the min value for the setting. @param max the max value for the setting. */ function createSetting( bytes32 name, uint256 value, uint256 min, uint256 max ) external override onlyConfigurator(msg.sender) { require(name != "", "NAME_MUST_BE_PROVIDED"); settings[name].create(value, min, max); emit PlatformSettingCreated(name, msg.sender, value, min, max); } /** @notice It updates an existent platform setting given a setting name. @notice It only allows to update the value (not the min or max values). @notice In case you need to update the min or max values, you need to remove it, and create it again. @param settingName setting name to update. @param newValue the new value to set. */ function updateSetting(bytes32 settingName, uint256 newValue) external onlyConfigurator(msg.sender) { uint256 oldValue = settings[settingName].update(newValue); emit PlatformSettingUpdated(settingName, msg.sender, oldValue, newValue); } /** @notice Removes a current platform setting given a setting name. @param name to remove. */ function removeSetting(bytes32 name) external override onlyConfigurator(msg.sender) { uint256 oldValue = settings[name].value; settings[name].remove(); emit PlatformSettingRemoved(name, msg.sender, oldValue); } function pause() external override onlyPauser(msg.sender) { require(!paused, "PLATFORM_ALREADY_PAUSED"); paused = true; emit PlatformPaused(msg.sender); } function unpause() external override onlyPauser(msg.sender) { require(paused, "PLATFORM_ISNT_PAUSED"); paused = false; emit PlatformUnpaused(msg.sender); } /* View Functions */ function requireIsPaused() external view override { require(paused, "PLATFORM_ISNT_PAUSED"); } function requireIsNotPaused() external view override { require(!paused, "PLATFORM_IS_PAUSED"); } /** @notice It gets the current platform setting for a given setting name @param name to get. @return the current platform setting. */ function getSetting(bytes32 name) external view override returns (SettingsLib.Setting memory) { return _getSetting(name); } /** @notice It gets the current platform setting value for a given setting name @param name to get. @return the current platform setting value. */ function getSettingValue(bytes32 name) external view override returns (uint256) { return _getSetting(name).value; } /** @notice It tests whether a setting name is already configured. @param name setting name to test. @return true if the setting is already configured. Otherwise it returns false. */ function hasSetting(bytes32 name) external view override returns (bool) { return _getSetting(name).exists; } /** @notice It gets whether the platform is paused or not. @return true if platform is paused. Otherwise it returns false. */ function isPaused() external view override returns (bool) { return paused; } /** Internal functions */ /** @notice It gets the platform setting for a given setting name. @param name the setting name to look for. @return the current platform setting for the given setting name. */ function _getSetting(bytes32 name) internal view returns (SettingsLib.Setting memory) { return settings[name]; } function _rolesManager() internal view returns (IRolesManager) { return IRolesManager(rolesManager); } function _rolesManagerConsts() internal view returns (RolesManagerConsts) { return RolesManagerConsts(_rolesManager().consts()); } /** Private functions */ }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.0; import "../GSN/Context.sol"; /** * @dev Contract module which allows children to implement an emergency stop * mechanism that can be triggered by an authorized account. * * This module is used through inheritance. It will make available the * modifiers `whenNotPaused` and `whenPaused`, which can be applied to * the functions of your contract. Note that they will not be pausable by * simply including this module, only once the modifiers are put in place. */ contract Pausable is Context { /** * @dev Emitted when the pause is triggered by `account`. */ event Paused(address account); /** * @dev Emitted when the pause is lifted by `account`. */ event Unpaused(address account); bool private _paused; /** * @dev Initializes the contract in unpaused state. */ constructor () internal { _paused = false; } /** * @dev Returns true if the contract is paused, and false otherwise. */ function paused() public view returns (bool) { return _paused; } /** * @dev Modifier to make a function callable only when the contract is not paused. * * Requirements: * * - The contract must not be paused. */ modifier whenNotPaused() { require(!_paused, "Pausable: paused"); _; } /** * @dev Modifier to make a function callable only when the contract is paused. * * Requirements: * * - The contract must be paused. */ modifier whenPaused() { require(_paused, "Pausable: not paused"); _; } /** * @dev Triggers stopped state. * * Requirements: * * - The contract must not be paused. */ function _pause() internal virtual whenNotPaused { _paused = true; emit Paused(_msgSender()); } /** * @dev Returns to normal state. * * Requirements: * * - The contract must be paused. */ function _unpause() internal virtual whenPaused { _paused = false; emit Unpaused(_msgSender()); } }
//SPDX-License-Identifier: AGPL-3.0-only pragma solidity 0.6.12; import "./IRolesManager.sol"; import "./RolesManagerConsts.sol"; import "@openzeppelin/contracts/access/AccessControl.sol"; contract RolesManager is AccessControl, IRolesManager { address public override consts; uint8 public override maxMultiItems; constructor(uint8 initialMaxMultiItems) public { maxMultiItems = initialMaxMultiItems; consts = address(new RolesManagerConsts()); // Setting the role admin for all the platform roles. _setRoleAdmin(_consts().PAUSER_ROLE(), _consts().OWNER_ROLE()); _setRoleAdmin(_consts().VAULT_CONFIGURATOR_ROLE(), _consts().OWNER_ROLE()); _setRoleAdmin(_consts().MINTER_ROLE(), _consts().OWNER_ROLE()); _setRoleAdmin(_consts().CONFIGURATOR_ROLE(), _consts().OWNER_ROLE()); // Setting roles /* The OWNER_ROLE is its own admin role. See AccessControl.DEFAULT_ADMIN_ROLE. */ _setupRole(_consts().OWNER_ROLE(), msg.sender); _setupRole(_consts().PAUSER_ROLE(), msg.sender); _setupRole(_consts().CONFIGURATOR_ROLE(), msg.sender); } function requireHasRole(bytes32 role, address account) external view override { require(hasRole(role, account), "ACCOUNT_HASNT_GIVEN_ROLE"); } function requireHasRole( bytes32 role, address account, string calldata message ) external view override { require(hasRole(role, account), message); } function setMaxMultiItems(uint8 newMaxMultiItems) external override { require(hasRole(_consts().OWNER_ROLE(), _msgSender()), "SENDER_HASNT_OWNER_ROLE"); require(maxMultiItems != newMaxMultiItems, "NEW_MAX_MULTI_ITEMS_REQUIRED"); uint8 oldMaxMultiItems = maxMultiItems; maxMultiItems = newMaxMultiItems; emit MaxMultiItemsUpdated(msg.sender, oldMaxMultiItems, newMaxMultiItems); } function multiGrantRole(bytes32 role, address[] calldata accounts) external override { require(accounts.length <= maxMultiItems, "ACCOUNTS_LENGTH_EXCEEDS_MAX"); for (uint256 i = 0; i < accounts.length; i++) { grantRole(role, accounts[i]); } } function multiRevokeRole(bytes32 role, address[] calldata accounts) external override { require(accounts.length <= maxMultiItems, "ACCOUNTS_LENGTH_EXCEEDS_MAX"); for (uint256 i = 0; i < accounts.length; i++) { revokeRole(role, accounts[i]); } } function setRoleAdmin(bytes32 role, bytes32 adminRole) external { require(getRoleAdmin(role) == "", "ROLE_MUST_BE_NEW"); require(hasRole(_consts().OWNER_ROLE(), _msgSender()), "SENDER_HASNT_OWNER_ROLE"); _setRoleAdmin(role, adminRole); } function _consts() internal view returns (RolesManagerConsts) { return RolesManagerConsts(consts); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.0; import "../utils/EnumerableSet.sol"; import "../utils/Address.sol"; import "../GSN/Context.sol"; /** * @dev Contract module that allows children to implement role-based access * control mechanisms. * * Roles are referred to by their `bytes32` identifier. These should be exposed * in the external API and be unique. The best way to achieve this is by * using `public constant` hash digests: * * ``` * bytes32 public constant MY_ROLE = keccak256("MY_ROLE"); * ``` * * Roles can be used to represent a set of permissions. To restrict access to a * function call, use {hasRole}: * * ``` * function foo() public { * require(hasRole(MY_ROLE, msg.sender)); * ... * } * ``` * * Roles can be granted and revoked dynamically via the {grantRole} and * {revokeRole} functions. Each role has an associated admin role, and only * accounts that have a role's admin role can call {grantRole} and {revokeRole}. * * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means * that only accounts with this role will be able to grant or revoke other * roles. More complex role relationships can be created by using * {_setRoleAdmin}. * * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to * grant and revoke this role. Extra precautions should be taken to secure * accounts that have been granted it. */ abstract contract AccessControl is Context { using EnumerableSet for EnumerableSet.AddressSet; using Address for address; struct RoleData { EnumerableSet.AddressSet members; bytes32 adminRole; } mapping (bytes32 => RoleData) private _roles; bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00; /** * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole` * * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite * {RoleAdminChanged} not being emitted signaling this. * * _Available since v3.1._ */ event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole); /** * @dev Emitted when `account` is granted `role`. * * `sender` is the account that originated the contract call, an admin role * bearer except when using {_setupRole}. */ event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender); /** * @dev Emitted when `account` is revoked `role`. * * `sender` is the account that originated the contract call: * - if using `revokeRole`, it is the admin role bearer * - if using `renounceRole`, it is the role bearer (i.e. `account`) */ event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender); /** * @dev Returns `true` if `account` has been granted `role`. */ function hasRole(bytes32 role, address account) public view returns (bool) { return _roles[role].members.contains(account); } /** * @dev Returns the number of accounts that have `role`. Can be used * together with {getRoleMember} to enumerate all bearers of a role. */ function getRoleMemberCount(bytes32 role) public view returns (uint256) { return _roles[role].members.length(); } /** * @dev Returns one of the accounts that have `role`. `index` must be a * value between 0 and {getRoleMemberCount}, non-inclusive. * * Role bearers are not sorted in any particular way, and their ordering may * change at any point. * * WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure * you perform all queries on the same block. See the following * https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296[forum post] * for more information. */ function getRoleMember(bytes32 role, uint256 index) public view returns (address) { return _roles[role].members.at(index); } /** * @dev Returns the admin role that controls `role`. See {grantRole} and * {revokeRole}. * * To change a role's admin, use {_setRoleAdmin}. */ function getRoleAdmin(bytes32 role) public view returns (bytes32) { return _roles[role].adminRole; } /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. * * Requirements: * * - the caller must have ``role``'s admin role. */ function grantRole(bytes32 role, address account) public virtual { require(hasRole(_roles[role].adminRole, _msgSender()), "AccessControl: sender must be an admin to grant"); _grantRole(role, account); } /** * @dev Revokes `role` from `account`. * * If `account` had been granted `role`, emits a {RoleRevoked} event. * * Requirements: * * - the caller must have ``role``'s admin role. */ function revokeRole(bytes32 role, address account) public virtual { require(hasRole(_roles[role].adminRole, _msgSender()), "AccessControl: sender must be an admin to revoke"); _revokeRole(role, account); } /** * @dev Revokes `role` from the calling account. * * Roles are often managed via {grantRole} and {revokeRole}: this function's * purpose is to provide a mechanism for accounts to lose their privileges * if they are compromised (such as when a trusted device is misplaced). * * If the calling account had been granted `role`, emits a {RoleRevoked} * event. * * Requirements: * * - the caller must be `account`. */ function renounceRole(bytes32 role, address account) public virtual { require(account == _msgSender(), "AccessControl: can only renounce roles for self"); _revokeRole(role, account); } /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. Note that unlike {grantRole}, this function doesn't perform any * checks on the calling account. * * [WARNING] * ==== * This function should only be called from the constructor when setting * up the initial roles for the system. * * Using this function in any other way is effectively circumventing the admin * system imposed by {AccessControl}. * ==== */ function _setupRole(bytes32 role, address account) internal virtual { _grantRole(role, account); } /** * @dev Sets `adminRole` as ``role``'s admin role. * * Emits a {RoleAdminChanged} event. */ function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual { emit RoleAdminChanged(role, _roles[role].adminRole, adminRole); _roles[role].adminRole = adminRole; } function _grantRole(bytes32 role, address account) private { if (_roles[role].members.add(account)) { emit RoleGranted(role, account, _msgSender()); } } function _revokeRole(bytes32 role, address account) private { if (_roles[role].members.remove(account)) { emit RoleRevoked(role, account, _msgSender()); } } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.0; /** * @dev Library for managing * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive * types. * * Sets have the following properties: * * - Elements are added, removed, and checked for existence in constant time * (O(1)). * - Elements are enumerated in O(n). No guarantees are made on the ordering. * * ``` * contract Example { * // Add the library methods * using EnumerableSet for EnumerableSet.AddressSet; * * // Declare a set state variable * EnumerableSet.AddressSet private mySet; * } * ``` * * As of v3.0.0, only sets of type `address` (`AddressSet`) and `uint256` * (`UintSet`) are supported. */ library EnumerableSet { // To implement this library for multiple types with as little code // repetition as possible, we write it in terms of a generic Set type with // bytes32 values. // The Set implementation uses private functions, and user-facing // implementations (such as AddressSet) are just wrappers around the // underlying Set. // This means that we can only create new EnumerableSets for types that fit // in bytes32. struct Set { // Storage of set values bytes32[] _values; // Position of the value in the `values` array, plus 1 because index 0 // means a value is not in the set. mapping (bytes32 => uint256) _indexes; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function _add(Set storage set, bytes32 value) private returns (bool) { if (!_contains(set, value)) { set._values.push(value); // The value is stored at length-1, but we add 1 to all indexes // and use 0 as a sentinel value set._indexes[value] = set._values.length; return true; } else { return false; } } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function _remove(Set storage set, bytes32 value) private returns (bool) { // We read and store the value's index to prevent multiple reads from the same storage slot uint256 valueIndex = set._indexes[value]; if (valueIndex != 0) { // Equivalent to contains(set, value) // To delete an element from the _values array in O(1), we swap the element to delete with the last one in // the array, and then remove the last element (sometimes called as 'swap and pop'). // This modifies the order of the array, as noted in {at}. uint256 toDeleteIndex = valueIndex - 1; uint256 lastIndex = set._values.length - 1; // When the value to delete is the last one, the swap operation is unnecessary. However, since this occurs // so rarely, we still do the swap anyway to avoid the gas cost of adding an 'if' statement. bytes32 lastvalue = set._values[lastIndex]; // Move the last value to the index where the value to delete is set._values[toDeleteIndex] = lastvalue; // Update the index for the moved value set._indexes[lastvalue] = toDeleteIndex + 1; // All indexes are 1-based // Delete the slot where the moved value was stored set._values.pop(); // Delete the index for the deleted slot delete set._indexes[value]; return true; } else { return false; } } /** * @dev Returns true if the value is in the set. O(1). */ function _contains(Set storage set, bytes32 value) private view returns (bool) { return set._indexes[value] != 0; } /** * @dev Returns the number of values on the set. O(1). */ function _length(Set storage set) private view returns (uint256) { return set._values.length; } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function _at(Set storage set, uint256 index) private view returns (bytes32) { require(set._values.length > index, "EnumerableSet: index out of bounds"); return set._values[index]; } // AddressSet struct AddressSet { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(AddressSet storage set, address value) internal returns (bool) { return _add(set._inner, bytes32(uint256(value))); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(AddressSet storage set, address value) internal returns (bool) { return _remove(set._inner, bytes32(uint256(value))); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(AddressSet storage set, address value) internal view returns (bool) { return _contains(set._inner, bytes32(uint256(value))); } /** * @dev Returns the number of values in the set. O(1). */ function length(AddressSet storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(AddressSet storage set, uint256 index) internal view returns (address) { return address(uint256(_at(set._inner, index))); } // UintSet struct UintSet { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(UintSet storage set, uint256 value) internal returns (bool) { return _add(set._inner, bytes32(value)); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(UintSet storage set, uint256 value) internal returns (bool) { return _remove(set._inner, bytes32(value)); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(UintSet storage set, uint256 value) internal view returns (bool) { return _contains(set._inner, bytes32(value)); } /** * @dev Returns the number of values on the set. O(1). */ function length(UintSet storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(UintSet storage set, uint256 index) internal view returns (uint256) { return uint256(_at(set._inner, index)); } }
//SPDX-License-Identifier: AGPL-3.0-only pragma solidity 0.6.12; pragma experimental ABIEncoderV2; import "../libs/SettingsLib.sol"; interface IVaultsSettings { event VaultSettingCreated( address indexed creator, address indexed vault, uint256 value, uint256 min, uint256 maxs ); event VaultSettingRemoved(address indexed remover, bytes32 name); function createVaultSetting( address vault, bytes32 name, uint256 value, uint256 min, uint256 max ) external; function removeVaultSetting(address vault, bytes32 name) external; function getVaultSetting(address vault, bytes32 name) external view returns (SettingsLib.Setting memory); function getVaultSettingValue(address vault, bytes32 name) external view returns (uint256); function hasVaultSetting(address vault, bytes32 name) external view returns (bool); function getVaultSettingOrDefaultValue(address vault, bytes32 name) external view returns (uint256); function getVaultSettingOrDefault(address vault, bytes32 name) external view returns (SettingsLib.Setting memory); function hasVaultSettingOrDefault(address vault, bytes32 name) external view returns (bool); }
//SPDX-License-Identifier: AGPL-3.0-only pragma solidity 0.6.12; // Contracts // Libraries import "@openzeppelin/contracts/utils/Address.sol"; // Interfaces import "../minters/IRewardsMinter.sol"; abstract contract RewardsCalculatorBase { using Address for address; /* Constant Variables */ /* State Variables */ address private rewardsMinter; /* Modifiers */ modifier onlyRewardsMinter(address account) { _requireOnlyRewardsMinter(account); _; } /* Constructor */ /** View Functions */ function _rewardsMinter() internal view returns (IRewardsMinter) { return IRewardsMinter(rewardsMinter); } function _requireOnlyRewardsMinter(address account) internal view { require( rewardsMinter != address(0x0) && account == rewardsMinter, "ACCOUNT_ISNT_REWARDS_MINTER" ); } /* Internal Funtions */ function _setRewardsMinter(address rewardsMinterAddress) internal { require(rewardsMinterAddress.isContract(), "REWARDS_MINTER_MUST_BE_CONTRACT"); rewardsMinter = rewardsMinterAddress; } }
//SPDX-License-Identifier: AGPL-3.0-only pragma solidity 0.6.12; import "../tokens/IMintableERC20.sol"; interface IRewardsMinter { event NewCalculatorAdded( address indexed adder, address indexed newCalulator, uint256 calculatorPercentage, uint256 currentPercentage ); event CalculatorRemoved( address indexed remover, address indexed calulator, uint256 calculatorPercentage, uint256 currentPercentage ); event CalculatorPercentageUpdated( address indexed updater, address indexed calulator, uint256 newcalculatorPercentage, uint256 currentPercentage ); event RewardsClaimed(address indexed account, uint256 indexed periodId, uint256 amount); function token() external view returns (IMintableERC20); function settings() external view returns (address); function rewardPeriodsRegistry() external view returns (address); function currentPercentage() external view returns (uint256); function getCalculators() external view returns (address[] memory); function getAvailableRewards(uint256 periodId, address account) external view returns (uint256); function claimRewards(uint256 periodId) external; function addCalculator(address newCalculator, uint256 percentage) external; function removeCalculator(address calculator) external; function hasCalculator(address calculator) external view returns (bool); function updateCalculatorPercentage(address calculator, uint256 percentage) external; }
//SPDX-License-Identifier: AGPL-3.0-only pragma solidity 0.6.12; import "@openzeppelin/contracts/token/ERC20/IERC20.sol"; interface IMintableERC20 is IERC20 { function mint(address account, uint256 amount) external; }
//SPDX-License-Identifier: AGPL-3.0-only pragma solidity 0.6.12; // Contracts import "../base/MigratorBase.sol"; // Interfaces import "../tokens/IMintableERC20.sol"; import "../rewards/IRewardsCalculator.sol"; import "./IRewardsMinter.sol"; import "../registries/IRewardPeriodsRegistry.sol"; // Libraries import "@openzeppelin/contracts/math/SafeMath.sol"; import "../libs/RewardCalculatorLib.sol"; import "../libs/AddressesLib.sol"; contract RewardsMinter is MigratorBase, IRewardsMinter { using RewardCalculatorLib for RewardCalculatorLib.RewardCalculator; using AddressesLib for address[]; using SafeMath for uint256; /* Constant Variables */ uint256 private constant MAX_PERCENTAGE = 10000; /* State Variables */ IMintableERC20 public override token; mapping(address => RewardCalculatorLib.RewardCalculator) public calculators; uint256 public override currentPercentage; address[] public calculatorsList; address public override rewardPeriodsRegistry; /* Modifiers */ /* Constructor */ constructor( address rewardPeriodsRegistryAddress, address settingsAddress, address tokenAddress ) public MigratorBase(settingsAddress) { require(rewardPeriodsRegistryAddress.isContract(), "PERIODS_REG_MUST_BE_CONTRACT"); require(tokenAddress.isContract(), "TOKEN_MUST_BE_CONTRACT"); rewardPeriodsRegistry = rewardPeriodsRegistryAddress; token = IMintableERC20(tokenAddress); } function claimRewards(uint256 periodId) external override { _settings().requireIsNotPaused(); require(currentPercentage == MAX_PERCENTAGE, "CURRENT_PERCENTAGE_INVALID"); ( uint256 id, , uint256 endPeriodTimestamp, uint256 endRedeemablePeriodTimestamp, , uint256 availableRewards, bool exists ) = _getRewardPeriod(periodId); require(exists, "PERIOD_ID_NOT_EXISTS"); require(endPeriodTimestamp < block.timestamp, "REWARD_PERIOD_IN_PROGRESS"); require(endRedeemablePeriodTimestamp > block.timestamp, "CLAIMABLE_PERIOD_FINISHED"); address account = msg.sender; uint256 totalRewardsSent = 0; for (uint256 indexAt = 0; indexAt < calculatorsList.length; indexAt++) { IRewardsCalculator rewardsCalculator = IRewardsCalculator(calculatorsList[indexAt]); uint256 calculatorPercentage = calculators[calculatorsList[indexAt]].getPercentage(); /* Available Rewards: 1000 Calculator Percentage: 5000 Calculator Available Rewards = 1000 * 5000 / 100 */ uint256 calculatorAvailableRewards = availableRewards.mul(calculatorPercentage).div(100); uint256 availableRewardsForAcount = rewardsCalculator.processRewards( id, account, availableRewards, calculatorAvailableRewards ); totalRewardsSent = totalRewardsSent.add(availableRewardsForAcount); if (availableRewardsForAcount > 0) { token.mint(account, availableRewardsForAcount); } } if (totalRewardsSent > 0) { _notifyRewardsSent(id, totalRewardsSent); emit RewardsClaimed(account, id, totalRewardsSent); } } function updateCalculatorPercentage(address calculator, uint256 percentage) external override onlyOwner(msg.sender) { require(calculators[calculator].exists, "CALCULATOR_ISNT_ADDED"); uint256 oldPercentage = calculators[calculator].percentage; uint256 newCurrentPercentage = currentPercentage.sub(oldPercentage).add(percentage); require(newCurrentPercentage <= MAX_PERCENTAGE, "ACCUM_PERCENTAGE_EXCEEDS_MAX"); calculators[calculator].update(percentage); currentPercentage = newCurrentPercentage; emit CalculatorPercentageUpdated(msg.sender, calculator, percentage, currentPercentage); } function addCalculator(address newCalculator, uint256 percentage) external override onlyOwner(msg.sender) { require(newCalculator.isContract(), "NEW_CALCULATOR_MUST_BE_CONTRACT"); require(!calculators[newCalculator].exists, "CALCULATOR_ALREADY_ADDED"); uint256 newCurrentPercentage = currentPercentage.add(percentage); require(newCurrentPercentage <= MAX_PERCENTAGE, "ACCUM_PERCENTAGE_EXCEEDS_MAX"); calculators[newCalculator].create(percentage); calculatorsList.add(newCalculator); currentPercentage = newCurrentPercentage; emit NewCalculatorAdded(msg.sender, newCalculator, percentage, currentPercentage); } function removeCalculator(address calculator) external override onlyOwner(msg.sender) { require(calculators[calculator].exists, "CALCULATOR_DOESNT_EXIST"); uint256 percentage = calculators[calculator].percentage; calculatorsList.remove(calculator); calculators[calculator].remove(); currentPercentage = currentPercentage.sub(percentage); emit CalculatorRemoved(msg.sender, calculator, percentage, currentPercentage); } /** View Functions */ function settings() external view override returns (address) { return address(_settings()); } function getAvailableRewards(uint256 periodId, address account) external view override returns (uint256) { if (currentPercentage != MAX_PERCENTAGE) { return 0; } ( uint256 id, uint256 startPeriodTimestamp, , uint256 endRedeemablePeriodTimestamp, , uint256 availableRewards, bool exists ) = _getRewardPeriod(periodId); if ( !exists || startPeriodTimestamp > block.timestamp || endRedeemablePeriodTimestamp < block.timestamp ) { return 0; } uint256 rewardsForAccount = 0; for (uint256 indexAt = 0; indexAt < calculatorsList.length; indexAt++) { IRewardsCalculator rewardsCalculator = IRewardsCalculator(calculatorsList[indexAt]); uint256 calculatorPercentage = calculators[calculatorsList[indexAt]].getPercentage(); /* Available Rewards: 1000 Calculator Percentage: 5000 Calculator Available Rewards = 1000 * 5000 / 100 */ uint256 calculatorAvailableRewards = availableRewards.mul(calculatorPercentage).div(100); uint256 availableRewardsForAcount = rewardsCalculator.getRewards( id, account, availableRewards, calculatorAvailableRewards ); rewardsForAccount = rewardsForAccount.add(availableRewardsForAcount); } return rewardsForAccount; } function getCalculators() external view override returns (address[] memory) { return calculatorsList; } function hasCalculator(address calculator) external view override returns (bool) { return calculators[calculator].exists; } /* Internal Functions */ function _notifyRewardsSent(uint256 period, uint256 totalRewardsSent) internal { IRewardPeriodsRegistry rewardsRegistry = IRewardPeriodsRegistry(rewardPeriodsRegistry); rewardsRegistry.notifyRewardsSent(period, totalRewardsSent); } function _getRewardPeriod(uint256 periodId) internal view returns ( uint256 id, uint256 startPeriodTimestamp, uint256 endPeriodTimestamp, uint256 endRedeemablePeriodTimestamp, uint256 totalRewards, uint256 availableRewards, bool exists ) { IRewardPeriodsRegistry rewardsRegistry = IRewardPeriodsRegistry(rewardPeriodsRegistry); ( id, startPeriodTimestamp, endPeriodTimestamp, endRedeemablePeriodTimestamp, totalRewards, availableRewards, exists ) = rewardsRegistry.getRewardPeriodById(periodId); } }
//SPDX-License-Identifier: AGPL-3.0-only pragma solidity 0.6.12; // Contracts import "./Base.sol"; // Libraries // Interfaces import "../migrator/IMigrator.sol"; abstract contract MigratorBase is Base { /* Constant Variables */ /* State Variables */ address private migrator; /* Modifiers */ /* Constructor */ constructor(address settingsAddress) internal Base(settingsAddress) {} /* External Functions */ function setMigrator(address newMigrator) external onlyOwner(msg.sender) { require(newMigrator.isContract(), "MIGRATOR_MUST_BE_CONTRACT"); migrator = newMigrator; } function migrateTo(address newContract, bytes calldata extraData) external onlyOwner(msg.sender) { require(newContract != address(0x0), "MIGRATOR_IS_EMPTY"); IMigrator(migrator).migrate(address(this), newContract, extraData); } function hasMigrator() external view returns (bool) { return migrator != address(0x0); } /** Internal Functions */ function _migrator() internal view returns (address) { return migrator; } }
//SPDX-License-Identifier: AGPL-3.0-only pragma solidity 0.6.12; interface IRewardsCalculator { function getRewards( uint256 period, address account, uint256 totalRewards, uint256 totalAvailableRewards ) external view returns (uint256); function processRewards( uint256 period, address account, uint256 totalRewards, uint256 totalAvailableRewards ) external returns (uint256 rewardsForAccount); }
//SPDX-License-Identifier: AGPL-3.0-only pragma solidity 0.6.12; pragma experimental ABIEncoderV2; import "../libs/RewardPeriodLib.sol"; interface IRewardPeriodsRegistry { event RewardPeriodCreated( address indexed creator, uint256 period, uint256 startPeriodTimestamp, uint256 endPeriodTimestamp, uint256 endRedeemablePeriodTimestamp, uint256 availableRewards ); event RewardPeriodRemoved( address indexed remover, uint256 period, uint256 startTimestamp, uint256 endTimestamp, uint256 availableRewards ); function settings() external view returns (address); function getRewardPeriod(uint256 id) external view returns (RewardPeriodLib.RewardPeriod memory); function notifyRewardsSent(uint256 period, uint256 totalRewardsSent) external returns (uint256 newTotalAvailableRewards); function createRewardPeriod( uint256 startPeriodTimestamp, uint256 endPeriodTimestamp, uint256 endRedeemablePeriodTimestamp, uint256 availableRewards ) external; function getRewardPeriods() external view returns (RewardPeriodLib.RewardPeriod[] memory); function getLastRewardPeriod() external view returns ( uint256 periodId, uint256 startPeriodTimestamp, uint256 endPeriodTimestamp, uint256 endRedeemablePeriodTimestamp, uint256 totalRewards, uint256 availableRewards, bool exists ); function getRewardPeriodById(uint256 periodId) external view returns ( uint256 id, uint256 startPeriodTimestamp, uint256 endPeriodTimestamp, uint256 endRedeemablePeriodTimestamp, uint256 totalRewards, uint256 availableRewards, bool exists ); }
//SPDX-License-Identifier: AGPL-3.0-only pragma solidity 0.6.12; library RewardCalculatorLib { uint256 private constant MAX_PERCENTAGE = 10000; struct RewardCalculator { uint256 percentage; // 1000 => 10% (10 * 100) bool paused; bool exists; } function create(RewardCalculator storage self, uint256 percentage) internal { requireNotExists(self); require(percentage <= MAX_PERCENTAGE, "PERCENTAGE_MUST_BE_LT_MAX"); self.percentage = percentage; self.exists = true; } /** @notice It updates the current reward calculator. @param self the current reward calculator. @param newPercentage the new percentage to set in the reward calculator. */ function update(RewardCalculator storage self, uint256 newPercentage) internal returns (uint256 oldPercentage) { requireExists(self); require(self.percentage != newPercentage, "NEW_PERCENTAGE_REQUIRED"); require(newPercentage < MAX_PERCENTAGE, "PERCENTAGE_MUST_BE_LT_MAX"); oldPercentage = self.percentage; self.percentage = newPercentage; } function pause(RewardCalculator storage self) internal { requireExists(self); require(!self.paused, "CALCULATOR_ALREADY_PAUSED"); self.paused = true; } function unpause(RewardCalculator storage self) internal { requireExists(self); require(self.paused, "CALCULATOR_NOT_PAUSED"); self.paused = false; } function getPercentage(RewardCalculator storage self) internal view returns (uint256) { return self.exists && !self.paused ? self.percentage : 0; } /** @notice Checks whether the current reward calculator exists or not. @dev It throws a require error if the reward calculator already exists. @param self the current reward calculator. */ function requireNotExists(RewardCalculator storage self) internal view { require(!self.exists, "REWARD_CALC_ALREADY_EXISTS"); } /** @notice Checks whether the current reward calculator exists or not. @dev It throws a require error if the current reward calculator doesn't exist. @param self the current reward calculator. */ function requireExists(RewardCalculator storage self) internal view { require(self.exists, "REWARD_CALC_NOT_EXISTS"); } /** @notice It removes a current reward calculator. @param self the current reward calculator to remove. */ function remove(RewardCalculator storage self) internal { requireExists(self); self.percentage = 0; self.exists = false; } }
//SPDX-License-Identifier: AGPL-3.0-only pragma solidity 0.6.12; /** @notice Utility library of inline functions on the address arrays. */ library AddressesLib { /** @notice It adds an address value to the array. @param self current array. @param newItem new item to add. */ function add(address[] storage self, address newItem) internal { require(newItem != address(0x0), "EMPTY_ADDRESS_NOT_ALLOWED"); self.push(newItem); } /** @notice It removes the value at the given index in an array. @param self the current array. @param index remove an item in a specific index. */ function removeAt(address[] storage self, uint256 index) internal { if (index >= self.length) return; if (index != self.length - 1) { address temp = self[self.length - 1]; self[index] = temp; } delete self[self.length - 1]; self.pop(); } /** @notice It gets the index for a given item. @param self the current array. @param item to get the index. @return found true if the item was found. Otherwise it returns false. indexAt the current index for a given item. */ function getIndex(address[] storage self, address item) internal view returns (bool found, uint256 indexAt) { for (indexAt = 0; indexAt < self.length; indexAt++) { found = self[indexAt] == item; if (found) { return (found, indexAt); } } return (found, indexAt); } /** @notice It removes an address value from the array. @param self the current array. @param item the item to remove. */ function remove(address[] storage self, address item) internal { (bool found, uint256 indexAt) = getIndex(self, item); if (!found) return; removeAt(self, indexAt); } }
//SPDX-License-Identifier: AGPL-3.0-only pragma solidity 0.6.12; interface IMigrator { event ContractMigrated( address indexed migrator, address indexed oldContract, address indexed newContract ); function migrate( address oldContract, address newContract, bytes calldata extraData ) external returns (address); }
//SPDX-License-Identifier: AGPL-3.0-only pragma solidity 0.6.12; import "@openzeppelin/contracts/math/SafeMath.sol"; library RewardPeriodLib { using SafeMath for uint256; struct RewardPeriod { uint256 id; uint256 startPeriodTimestamp; uint256 endPeriodTimestamp; uint256 endRedeemablePeriodTimestamp; uint256 totalRewards; uint256 availableRewards; bool exists; } function create( RewardPeriod storage self, uint256 id, uint256 startPeriodTimestamp, uint256 endPeriodTimestamp, uint256 endRedeemablePeriodTimestamp, uint256 availableRewards ) internal { requireNotExists(self); require(block.timestamp <= startPeriodTimestamp, "START_TIMESTAMP_IS_INVALID"); require(startPeriodTimestamp < endPeriodTimestamp, "REWARD_PERIOD_IS_INVALID"); require(endPeriodTimestamp < endRedeemablePeriodTimestamp, "END_REDEEM_PERIOD_IS_INVALID"); require(availableRewards > 0, "REWARDS_MUST_BE_GT_ZERO"); self.id = id; self.startPeriodTimestamp = startPeriodTimestamp; self.endPeriodTimestamp = endPeriodTimestamp; self.endRedeemablePeriodTimestamp = endRedeemablePeriodTimestamp; self.availableRewards = availableRewards; self.totalRewards = availableRewards; self.exists = true; } function isInProgress(RewardPeriod storage self) internal view returns (bool) { uint256 currentTimestamp = block.timestamp; return self.exists && self.startPeriodTimestamp <= currentTimestamp && currentTimestamp <= self.endPeriodTimestamp; } function isInRedemption(RewardPeriod storage self) internal view returns (bool) { return isFinished(self) && self.endRedeemablePeriodTimestamp > block.timestamp; } function isFinished(RewardPeriod storage self) internal view returns (bool) { return self.exists && self.endPeriodTimestamp < block.timestamp; } function isPending(RewardPeriod storage self) internal view returns (bool) { uint256 currentTimestamp = block.timestamp; return self.exists && self.startPeriodTimestamp > currentTimestamp; } /** @notice Checks whether the current reward period exists or not. @dev It throws a require error if the reward period already exists. @param self the current reward period. */ function requireNotExists(RewardPeriod storage self) internal view { require(!self.exists, "REWARD_PERIOD_ALREADY_EXISTS"); } /** @notice Checks whether the current reward period exists or not. @dev It throws a require error if the current reward period doesn't exist. @param self the current reward period. */ function requireExists(RewardPeriod storage self) internal view { require(self.exists, "REWARD_PERIOD_NOT_EXISTS"); } function endsBefore(RewardPeriod storage self, uint256 startPeriodTimestamp) internal view returns (bool) { return self.exists && self.endPeriodTimestamp < startPeriodTimestamp; } function notifyRewardsSent(RewardPeriod storage self, uint256 amount) internal returns (bool) { self.availableRewards = self.availableRewards.sub(amount); } /** @notice It removes a current reward period. @param self the current reward period to remove. */ function remove(RewardPeriod storage self) internal { requireExists(self); self.id = 0; self.startPeriodTimestamp = 0; self.endPeriodTimestamp = 0; self.endRedeemablePeriodTimestamp = 0; self.totalRewards = 0; self.availableRewards = 0; self.exists = false; } }
//SPDX-License-Identifier: AGPL-3.0-only pragma solidity 0.6.12; pragma experimental ABIEncoderV2; // Libraries import "@openzeppelin/contracts/utils/Address.sol"; import "../libs/AddressesLib.sol"; import "../libs/RewardPeriodLib.sol"; // Contracts import "../base/MigratorBase.sol"; // Interfaces import "./IRewardPeriodsRegistry.sol"; contract RewardPeriodsRegistry is MigratorBase, IRewardPeriodsRegistry { using RewardPeriodLib for RewardPeriodLib.RewardPeriod; using AddressesLib for address[]; using Address for address; /* State Variables */ mapping(uint256 => RewardPeriodLib.RewardPeriod) internal periods; RewardPeriodLib.RewardPeriod[] public periodsList; /** Modifiers */ /* Constructor */ constructor(address settingsAddress) public MigratorBase(settingsAddress) {} function createRewardPeriod( uint256 startPeriodTimestamp, uint256 endPeriodTimestamp, uint256 endRedeemablePeriodTimestamp, uint256 availableRewards ) external override onlyOwner(msg.sender) { uint256 newPeriodId = 1; if (periodsList.length > 0) { RewardPeriodLib.RewardPeriod storage lastPeriod = _getLastRewardPeriod(); require(!lastPeriod.isPending(), "ALREADY_PENDING_PERIOD_REWARD"); if (lastPeriod.isInProgress()) { require( lastPeriod.endsBefore(startPeriodTimestamp), "IN_PROGRESS_PERIOD_OVERLAPPED" ); } newPeriodId = lastPeriod.id + 1; } periods[newPeriodId].create( newPeriodId, startPeriodTimestamp, endPeriodTimestamp, endRedeemablePeriodTimestamp, availableRewards ); periodsList.push(periods[newPeriodId]); emit RewardPeriodCreated( msg.sender, newPeriodId, startPeriodTimestamp, endPeriodTimestamp, endRedeemablePeriodTimestamp, availableRewards ); } function notifyRewardsSent(uint256 period, uint256 totalRewardsSent) external override onlyMinter(msg.sender) returns (uint256 newTotalAvailableRewards) { periods[period].notifyRewardsSent(totalRewardsSent); return periods[period].availableRewards; } function getRewardPeriod(uint256 id) external view override returns (RewardPeriodLib.RewardPeriod memory) { return periods[id]; } function getRewardPeriods() external view override returns (RewardPeriodLib.RewardPeriod[] memory) { return periodsList; } function getLastRewardPeriod() external view override returns ( uint256 periodId, uint256 startPeriodTimestamp, uint256 endPeriodTimestamp, uint256 endRedeemablePeriodTimestamp, uint256 totalRewards, uint256 availableRewards, bool exists ) { RewardPeriodLib.RewardPeriod memory rewardPeriod = _getLastRewardPeriod(); return ( rewardPeriod.id, rewardPeriod.startPeriodTimestamp, rewardPeriod.endPeriodTimestamp, rewardPeriod.endRedeemablePeriodTimestamp, rewardPeriod.totalRewards, rewardPeriod.availableRewards, rewardPeriod.exists ); } function getRewardPeriodById(uint256 periodId) external view override returns ( uint256 id, uint256 startPeriodTimestamp, uint256 endPeriodTimestamp, uint256 endRedeemablePeriodTimestamp, uint256 totalRewards, uint256 availableRewards, bool exists ) { RewardPeriodLib.RewardPeriod memory rewardPeriod = _getRewardPeriodById(periodId); return ( rewardPeriod.id, rewardPeriod.startPeriodTimestamp, rewardPeriod.endPeriodTimestamp, rewardPeriod.endRedeemablePeriodTimestamp, rewardPeriod.totalRewards, rewardPeriod.availableRewards, rewardPeriod.exists ); } function settings() external view override returns (address) { return address(_settings()); } /** Internal Functions */ function _getLastRewardPeriod() internal view returns (RewardPeriodLib.RewardPeriod storage) { return periodsList.length > 0 ? periodsList[periodsList.length - 1] : periods[0]; } function _getRewardPeriodById(uint256 periodId) internal view returns (RewardPeriodLib.RewardPeriod storage) { return periods[periodId]; } }
//SPDX-License-Identifier: AGPL-3.0-only pragma solidity 0.6.12; import "@openzeppelin/contracts/math/SafeMath.sol"; import "@openzeppelin/contracts/utils/Address.sol"; library AccountRewardsLib { using Address for address; using SafeMath for uint256; struct AccountRewards { address account; uint256 amount; uint256 available; bool exists; } function create( AccountRewards storage self, address account, uint256 amount ) internal { requireNotExists(self); require(amount > 0, "AMOUNT_MUST_BE_GT_ZERO"); self.account = account; self.amount = amount; self.available = amount; self.exists = true; } function increaseAmount(AccountRewards storage self, uint256 amount) internal { requireExists(self); require(amount > 0, "AMOUNT_MUST_BE_GT_ZERO"); self.amount = self.amount.add(amount); self.available = self.available.add(amount); } function decreaseAmount(AccountRewards storage self, uint256 amount) internal { requireExists(self); require(amount > 0, "AMOUNT_MUST_BE_GT_ZERO"); self.amount = self.amount.sub(amount); self.available = self.available.sub(amount); } function claimRewards(AccountRewards storage self, uint256 amount) internal { self.available = self.available.sub(amount); } /* View Functions */ /** @notice Checks whether the current account rewards exists or not. @dev It throws a require error if the account rewards already exists. @param self the current account rewards. */ function requireNotExists(AccountRewards storage self) internal view { require(!self.exists, "ACCOUNT_REWARD_ALREADY_EXISTS"); } /** @notice Checks whether the current account rewards exists or not. @dev It throws a require error if the current account rewards doesn't exist. @param self the current account rewards. */ function requireExists(AccountRewards storage self) internal view { require(self.exists, "ACCOUNT_REWARD_NOT_EXISTS"); } /** @notice It removes a current account rewards. @param self the current account rewards to remove. */ function remove(AccountRewards storage self) internal { requireExists(self); self.amount = 0; self.available = 0; self.account = address(0x0); self.exists = false; } }
//SPDX-License-Identifier: AGPL-3.0-only pragma solidity 0.6.12; pragma experimental ABIEncoderV2; // Contracts import "../base/Base.sol"; import "./RewardsCalculatorBase.sol"; // Libraries import "../libs/AccountRewardsLib.sol"; // Interfaces import "./IRewardsCalculator.sol"; contract ManualPGURewardsCalculator is Base, RewardsCalculatorBase, IRewardsCalculator { using AccountRewardsLib for AccountRewardsLib.AccountRewards; /* Events */ event ManualRewardsUpdated( address indexed updater, uint256 period, address account, uint256 amount ); /* State Variables */ mapping(uint256 => mapping(address => AccountRewardsLib.AccountRewards)) private rewards; /* Constructor */ constructor(address settingsAddress, address rewardsMinterAddress) public Base(settingsAddress) { _setRewardsMinter(rewardsMinterAddress); } function setMultiRewardsForPeriod( uint256 rewardsPeriod, address[] calldata accounts, uint256[] calldata amounts ) external onlyOwner(msg.sender) { require(accounts.length == amounts.length, "ARRAY_LENGTHS_NOT_EQUAL"); for (uint256 i = 0; i < accounts.length; i++) { _setRewardsForPeriod(rewardsPeriod, accounts[i], amounts[i]); } } function removeMultiRewardsForPeriod(uint256 rewardsPeriod, address[] calldata accounts) external onlyOwner(msg.sender) { for (uint256 i = 0; i < accounts.length; i++) { _removeRewardsForPeriod(rewardsPeriod, accounts[i]); } } function processRewards( uint256 period, address account, uint256 totalRewards, uint256 totalAvailableRewards ) external override onlyRewardsMinter(msg.sender) returns (uint256 rewardsForAccount) { rewardsForAccount = _getRewards(period, account, totalRewards, totalAvailableRewards); if (rewardsForAccount > 0) { rewards[period][account].claimRewards(rewardsForAccount); } } /* View Functions */ function getRewards( uint256 period, address account, uint256 totalRewards, uint256 totalAvailableRewards ) external view override returns (uint256) { return _getRewards(period, account, totalRewards, totalAvailableRewards); } function getAccountRewardsFor(uint256 period, address account) external view returns (AccountRewardsLib.AccountRewards memory) { return rewards[period][account]; } /* Internal Functions */ function _getRewards( uint256 period, address account, uint256, uint256 totalAvailableRewards ) internal view returns (uint256 rewardsForAccount) { rewardsForAccount = rewards[period][account].available; require(totalAvailableRewards >= rewardsForAccount, "NOT_ENOUGH_TOTAL_AVAILAB_REWARDS"); } function _setRewardsForPeriod( uint256 rewardsPeriod, address account, uint256 amount ) internal { rewards[rewardsPeriod][account].create(account, amount); emit ManualRewardsUpdated(msg.sender, rewardsPeriod, account, amount); } function _removeRewardsForPeriod(uint256 rewardsPeriod, address account) internal { rewards[rewardsPeriod][account].remove(); emit ManualRewardsUpdated(msg.sender, rewardsPeriod, account, 0); } }
//SPDX-License-Identifier: AGPL-3.0-only pragma solidity 0.6.12; import "../../libs/AddressesLib.sol"; contract AddressesLibMock { using AddressesLib for address[]; address[] public result; constructor(address[] memory initialData) public { result = initialData; } function getResult() external view returns (address[] memory) { return result; } function add(address newItem) external { result.add(newItem); } function removeAt(uint256 indexAt) external { result.removeAt(indexAt); } function getIndex(address item) external view returns (bool found, uint256 indexAt) { return result.getIndex(item); } function remove(address item) external { result.remove(item); } }
//SPDX-License-Identifier: AGPL-3.0-only pragma solidity 0.6.12; import "@openzeppelin/contracts/utils/Address.sol"; import "./ITokensRegistry.sol"; contract TokensRegistry is ITokensRegistry { using Address for address; mapping(address => bool) allowedTokens; function addToken(address token) external override { require(token.isContract(), "TOKEN_MUST_BE_CONTRACT"); allowedTokens[token] = true; emit TokenAdded(msg.sender, token); } function removeToken(address token) external override { allowedTokens[token] = false; emit TokenRemoved(msg.sender, token); } function hasToken(address token) external view override returns (bool) { return allowedTokens[token]; } }
//SPDX-License-Identifier: AGPL-3.0-only pragma solidity 0.6.12; interface ITokensRegistry { event TokenAdded(address indexed adder, address indexed token); event TokenRemoved(address indexed remover, address indexed token); function addToken(address token) external; function removeToken(address token) external; function hasToken(address token) external view returns (bool); }
{ "optimizer": { "enabled": true, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "abi" ] } }, "libraries": {} }
Contract Security Audit
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[{"inputs":[{"internalType":"address","name":"settingsAddress","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"burn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"burnFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}]
Contract Creation Code
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Deployed Bytecode
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
000000000000000000000000ee0bd440075da2ea102a4586ecd0aa8103070192
-----Decoded View---------------
Arg [0] : settingsAddress (address): 0xee0bD440075dA2ea102a4586eCD0AA8103070192
-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000ee0bd440075da2ea102a4586ecd0aa8103070192
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