Datasets:

Zellic
/

smart-contract-fiesta

	{
	"language": "Solidity",
	"settings": {
	"evmVersion": "london",
	"libraries": {},
	"metadata": {
	"bytecodeHash": "ipfs",
	"useLiteralContent": true
	},
	"optimizer": {
	"enabled": true,
	"runs": 6
	},
	"remappings": [],
	"outputSelection": {
	"*": {
	"*": [
	"evm.bytecode",
	"evm.deployedBytecode",
	"devdoc",
	"userdoc",
	"metadata",
	"abi"
	]
	}
	}
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	"sources": {
	"@openzeppelin/contracts/access/AccessControl.sol": {
	"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.6.0) (access/AccessControl.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IAccessControl.sol\";\nimport \"../utils/Context.sol\";\nimport \"../utils/Strings.sol\";\nimport \"../utils/introspection/ERC165.sol\";\n\n/*\n @dev Contract module that allows children to implement role-based access\n * control mechanisms. This is a lightweight version that doesn't allow enumerating role\n * members except through off-chain means by accessing the contract event logs. Some\n * applications may benefit from on-chain enumerability, for those cases see\n * {AccessControlEnumerable}.\n \n Roles are referred to by their `bytes32` identifier. These should be exposed\n * in the external API and be unique. The best way to achieve this is by\n * using `public constant` hash digests:\n \n ```\n * bytes32 public constant MY_ROLE = keccak256(\"MY_ROLE\");\n * ```\n \n Roles can be used to represent a set of permissions. To restrict access to a\n * function call, use {hasRole}:\n \n ```\n * function foo() public {\n * require(hasRole(MY_ROLE, msg.sender));\n * ...\n * }\n * ```\n \n Roles can be granted and revoked dynamically via the {grantRole} and\n * {revokeRole} functions. Each role has an associated admin role, and only\n * accounts that have a role's admin role can call {grantRole} and {revokeRole}.\n \n By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means\n * that only accounts with this role will be able to grant or revoke other\n * roles. More complex role relationships can be created by using\n * {_setRoleAdmin}.\n \n WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to\n * grant and revoke this role. Extra precautions should be taken to secure\n * accounts that have been granted it.\n /\nabstract contract AccessControl is Context, IAccessControl, ERC165 {\n struct RoleData {\n mapping(address => bool) members;\n bytes32 adminRole;\n }\n\n mapping(bytes32 => RoleData) private _roles;\n\n bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;\n\n /\n @dev Modifier that checks that an account has a specific role. Reverts\n * with a standardized message including the required role.\n \n The format of the revert reason is given by the following regular expression:\n \n /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/\n \n _Available since v4.1._\n /\n modifier onlyRole(bytes32 role) {\n _checkRole(role);\n _;\n }\n\n /\n @dev See {IERC165-supportsInterface}.\n /\n function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n return interfaceId == type(IAccessControl).interfaceId \|\| super.supportsInterface(interfaceId);\n }\n\n /\n @dev Returns `true` if `account` has been granted `role`.\n /\n function hasRole(bytes32 role, address account) public view virtual override returns (bool) {\n return _roles[role].members[account];\n }\n\n /\n @dev Revert with a standard message if `_msgSender()` is missing `role`.\n * Overriding this function changes the behavior of the {onlyRole} modifier.\n \n Format of the revert message is described in {_checkRole}.\n \n _Available since v4.6._\n /\n function _checkRole(bytes32 role) internal view virtual {\n _checkRole(role, _msgSender());\n }\n\n /\n @dev Revert with a standard message if `account` is missing `role`.\n \n The format of the revert reason is given by the following regular expression:\n \n /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/\n /\n function _checkRole(bytes32 role, address account) internal view virtual {\n if (!hasRole(role, account)) {\n revert(\n string(\n abi.encodePacked(\n \"AccessControl: account \",\n Strings.toHexString(uint160(account), 20),\n \" is missing role \",\n Strings.toHexString(uint256(role), 32)\n )\n )\n );\n }\n }\n\n /\n @dev Returns the admin role that controls `role`. See {grantRole} and\n * {revokeRole}.\n \n To change a role's admin, use {_setRoleAdmin}.\n /\n function getRoleAdmin(bytes32 role) public view virtual override returns (bytes32) {\n return _roles[role].adminRole;\n }\n\n /\n @dev Grants `role` to `account`.\n \n If `account` had not been already granted `role`, emits a {RoleGranted}\n * event.\n \n Requirements:\n \n - the caller must have ``role``'s admin role.\n /\n function grantRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {\n _grantRole(role, account);\n }\n\n /\n @dev Revokes `role` from `account`.\n \n If `account` had been granted `role`, emits a {RoleRevoked} event.\n \n Requirements:\n \n - the caller must have ``role``'s admin role.\n /\n function revokeRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {\n _revokeRole(role, account);\n }\n\n /\n @dev Revokes `role` from the calling account.\n \n Roles are often managed via {grantRole} and {revokeRole}: this function's\n * purpose is to provide a mechanism for accounts to lose their privileges\n * if they are compromised (such as when a trusted device is misplaced).\n \n If the calling account had been revoked `role`, emits a {RoleRevoked}\n * event.\n \n Requirements:\n \n - the caller must be `account`.\n /\n function renounceRole(bytes32 role, address account) public virtual override {\n require(account == _msgSender(), \"AccessControl: can only renounce roles for self\");\n\n _revokeRole(role, account);\n }\n\n /\n @dev Grants `role` to `account`.\n \n If `account` had not been already granted `role`, emits a {RoleGranted}\n * event. Note that unlike {grantRole}, this function doesn't perform any\n * checks on the calling account.\n \n [WARNING]\n * ====\n * This function should only be called from the constructor when setting\n * up the initial roles for the system.\n \n Using this function in any other way is effectively circumventing the admin\n * system imposed by {AccessControl}.\n * ====\n \n NOTE: This function is deprecated in favor of {_grantRole}.\n /\n function _setupRole(bytes32 role, address account) internal virtual {\n _grantRole(role, account);\n }\n\n /\n @dev Sets `adminRole` as ``role``'s admin role.\n \n Emits a {RoleAdminChanged} event.\n /\n function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {\n bytes32 previousAdminRole = getRoleAdmin(role);\n _roles[role].adminRole = adminRole;\n emit RoleAdminChanged(role, previousAdminRole, adminRole);\n }\n\n /\n @dev Grants `role` to `account`.\n \n Internal function without access restriction.\n /\n function _grantRole(bytes32 role, address account) internal virtual {\n if (!hasRole(role, account)) {\n _roles[role].members[account] = true;\n emit RoleGranted(role, account, _msgSender());\n }\n }\n\n /\n @dev Revokes `role` from `account`.\n \n Internal function without access restriction.\n */\n function _revokeRole(bytes32 role, address account) internal virtual {\n if (hasRole(role, account)) {\n _roles[role].members[account] = false;\n emit RoleRevoked(role, account, _msgSender());\n }\n }\n}\n"
	},
	"@openzeppelin/contracts/access/IAccessControl.sol": {
	"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol)\n\npragma solidity ^0.8.0;\n\n/*\n @dev External interface of AccessControl declared to support ERC165 detection.\n /\ninterface IAccessControl {\n /\n @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`\n \n `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite\n * {RoleAdminChanged} not being emitted signaling this.\n \n _Available since v3.1._\n /\n event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);\n\n /\n @dev Emitted when `account` is granted `role`.\n \n `sender` is the account that originated the contract call, an admin role\n * bearer except when using {AccessControl-_setupRole}.\n /\n event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);\n\n /\n @dev Emitted when `account` is revoked `role`.\n \n `sender` is the account that originated the contract call:\n * - if using `revokeRole`, it is the admin role bearer\n * - if using `renounceRole`, it is the role bearer (i.e. `account`)\n /\n event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);\n\n /\n @dev Returns `true` if `account` has been granted `role`.\n /\n function hasRole(bytes32 role, address account) external view returns (bool);\n\n /\n @dev Returns the admin role that controls `role`. See {grantRole} and\n * {revokeRole}.\n \n To change a role's admin, use {AccessControl-_setRoleAdmin}.\n /\n function getRoleAdmin(bytes32 role) external view returns (bytes32);\n\n /\n @dev Grants `role` to `account`.\n \n If `account` had not been already granted `role`, emits a {RoleGranted}\n * event.\n \n Requirements:\n \n - the caller must have ``role``'s admin role.\n /\n function grantRole(bytes32 role, address account) external;\n\n /\n @dev Revokes `role` from `account`.\n \n If `account` had been granted `role`, emits a {RoleRevoked} event.\n \n Requirements:\n \n - the caller must have ``role``'s admin role.\n /\n function revokeRole(bytes32 role, address account) external;\n\n /\n @dev Revokes `role` from the calling account.\n \n Roles are often managed via {grantRole} and {revokeRole}: this function's\n * purpose is to provide a mechanism for accounts to lose their privileges\n * if they are compromised (such as when a trusted device is misplaced).\n \n If the calling account had been granted `role`, emits a {RoleRevoked}\n * event.\n \n Requirements:\n \n - the caller must be `account`.\n */\n function renounceRole(bytes32 role, address account) external;\n}\n"
	},
	"@openzeppelin/contracts/proxy/utils/Initializable.sol": {
	"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.6.0) (proxy/utils/Initializable.sol)\n\npragma solidity ^0.8.2;\n\nimport \"../../utils/Address.sol\";\n\n/*\n @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed\n * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an\n * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer\n * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.\n \n The initialization functions use a version number. Once a version number is used, it is consumed and cannot be\n * reused. This mechanism prevents re-execution of each \"step\" but allows the creation of new initialization steps in\n * case an upgrade adds a module that needs to be initialized.\n \n For example:\n \n [.hljs-theme-light.nopadding]\n * ```\n * contract MyToken is ERC20Upgradeable {\n * function initialize() initializer public {\n * __ERC20_init(\"MyToken\", \"MTK\");\n * }\n * }\n * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {\n * function initializeV2() reinitializer(2) public {\n * __ERC20Permit_init(\"MyToken\");\n * }\n * }\n * ```\n \n TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as\n * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.\n \n CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure\n * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.\n \n [CAUTION]\n * ====\n * Avoid leaving a contract uninitialized.\n \n An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation\n * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke\n * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:\n \n [.hljs-theme-light.nopadding]\n * ```\n * /// @custom:oz-upgrades-unsafe-allow constructor\n * constructor() {\n * _disableInitializers();\n * }\n * ```\n * ====\n /\nabstract contract Initializable {\n /\n @dev Indicates that the contract has been initialized.\n * @custom:oz-retyped-from bool\n /\n uint8 private _initialized;\n\n /\n @dev Indicates that the contract is in the process of being initialized.\n /\n bool private _initializing;\n\n /\n @dev Triggered when the contract has been initialized or reinitialized.\n /\n event Initialized(uint8 version);\n\n /\n @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,\n * `onlyInitializing` functions can be used to initialize parent contracts. Equivalent to `reinitializer(1)`.\n /\n modifier initializer() {\n bool isTopLevelCall = _setInitializedVersion(1);\n if (isTopLevelCall) {\n _initializing = true;\n }\n _;\n if (isTopLevelCall) {\n _initializing = false;\n emit Initialized(1);\n }\n }\n\n /\n @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the\n * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be\n * used to initialize parent contracts.\n \n `initializer` is equivalent to `reinitializer(1)`, so a reinitializer may be used after the original\n * initialization step. This is essential to configure modules that are added through upgrades and that require\n * initialization.\n \n Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in\n * a contract, executing them in the right order is up to the developer or operator.\n /\n modifier reinitializer(uint8 version) {\n bool isTopLevelCall = _setInitializedVersion(version);\n if (isTopLevelCall) {\n _initializing = true;\n }\n _;\n if (isTopLevelCall) {\n _initializing = false;\n emit Initialized(version);\n }\n }\n\n /\n @dev Modifier to protect an initialization function so that it can only be invoked by functions with the\n * {initializer} and {reinitializer} modifiers, directly or indirectly.\n /\n modifier onlyInitializing() {\n require(_initializing, \"Initializable: contract is not initializing\");\n _;\n }\n\n /\n @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.\n * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized\n * to any version. It is recommended to use this to lock implementation contracts that are designed to be called\n * through proxies.\n */\n function _disableInitializers() internal virtual {\n _setInitializedVersion(type(uint8).max);\n }\n\n function _setInitializedVersion(uint8 version) private returns (bool) {\n // If the contract is initializing we ignore whether _initialized is set in order to support multiple\n // inheritance patterns, but we only do this in the context of a constructor, and for the lowest level\n // of initializers, because in other contexts the contract may have been reentered.\n if (_initializing) {\n require(\n version == 1 && !Address.isContract(address(this)),\n \"Initializable: contract is already initialized\"\n );\n return false;\n } else {\n require(_initialized < version, \"Initializable: contract is already initialized\");\n _initialized = version;\n return true;\n }\n }\n}\n"
	},
	"@openzeppelin/contracts/security/Pausable.sol": {
	"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (security/Pausable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../utils/Context.sol\";\n\n/*\n @dev Contract module which allows children to implement an emergency stop\n * mechanism that can be triggered by an authorized account.\n \n This module is used through inheritance. It will make available the\n * modifiers `whenNotPaused` and `whenPaused`, which can be applied to\n * the functions of your contract. Note that they will not be pausable by\n * simply including this module, only once the modifiers are put in place.\n /\nabstract contract Pausable is Context {\n /\n @dev Emitted when the pause is triggered by `account`.\n /\n event Paused(address account);\n\n /\n @dev Emitted when the pause is lifted by `account`.\n /\n event Unpaused(address account);\n\n bool private _paused;\n\n /\n @dev Initializes the contract in unpaused state.\n /\n constructor() {\n _paused = false;\n }\n\n /\n @dev Returns true if the contract is paused, and false otherwise.\n /\n function paused() public view virtual returns (bool) {\n return _paused;\n }\n\n /\n @dev Modifier to make a function callable only when the contract is not paused.\n \n Requirements:\n \n - The contract must not be paused.\n /\n modifier whenNotPaused() {\n require(!paused(), \"Pausable: paused\");\n _;\n }\n\n /\n @dev Modifier to make a function callable only when the contract is paused.\n \n Requirements:\n \n - The contract must be paused.\n /\n modifier whenPaused() {\n require(paused(), \"Pausable: not paused\");\n _;\n }\n\n /\n @dev Triggers stopped state.\n \n Requirements:\n \n - The contract must not be paused.\n /\n function _pause() internal virtual whenNotPaused {\n _paused = true;\n emit Paused(_msgSender());\n }\n\n /\n @dev Returns to normal state.\n \n Requirements:\n \n - The contract must be paused.\n */\n function _unpause() internal virtual whenPaused {\n _paused = false;\n emit Unpaused(_msgSender());\n }\n}\n"
	},
	"@openzeppelin/contracts/token/ERC20/ERC20.sol": {
	"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/ERC20.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC20.sol\";\nimport \"./extensions/IERC20Metadata.sol\";\nimport \"../../utils/Context.sol\";\n\n/*\n @dev Implementation of the {IERC20} interface.\n \n This implementation is agnostic to the way tokens are created. This means\n * that a supply mechanism has to be added in a derived contract using {_mint}.\n * For a generic mechanism see {ERC20PresetMinterPauser}.\n \n TIP: For a detailed writeup see our guide\n * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How\n * to implement supply mechanisms].\n \n We have followed general OpenZeppelin Contracts guidelines: functions revert\n * instead returning `false` on failure. This behavior is nonetheless\n * conventional and does not conflict with the expectations of ERC20\n * applications.\n \n Additionally, an {Approval} event is emitted on calls to {transferFrom}.\n * This allows applications to reconstruct the allowance for all accounts just\n * by listening to said events. Other implementations of the EIP may not emit\n * these events, as it isn't required by the specification.\n \n Finally, the non-standard {decreaseAllowance} and {increaseAllowance}\n * functions have been added to mitigate the well-known issues around setting\n * allowances. See {IERC20-approve}.\n /\ncontract ERC20 is Context, IERC20, IERC20Metadata {\n mapping(address => uint256) private _balances;\n\n mapping(address => mapping(address => uint256)) private _allowances;\n\n uint256 private _totalSupply;\n\n string private _name;\n string private _symbol;\n\n /\n @dev Sets the values for {name} and {symbol}.\n \n The default value of {decimals} is 18. To select a different value for\n * {decimals} you should overload it.\n \n All two of these values are immutable: they can only be set once during\n * construction.\n /\n constructor(string memory name_, string memory symbol_) {\n _name = name_;\n _symbol = symbol_;\n }\n\n /\n @dev Returns the name of the token.\n /\n function name() public view virtual override returns (string memory) {\n return _name;\n }\n\n /\n @dev Returns the symbol of the token, usually a shorter version of the\n * name.\n /\n function symbol() public view virtual override returns (string memory) {\n return _symbol;\n }\n\n /\n @dev Returns the number of decimals used to get its user representation.\n * For example, if `decimals` equals `2`, a balance of `505` tokens should\n * be displayed to a user as `5.05` (`505 / 10 ** 2`).\n \n Tokens usually opt for a value of 18, imitating the relationship between\n * Ether and Wei. This is the value {ERC20} uses, unless this function is\n * overridden;\n \n NOTE: This information is only used for _display_ purposes: it in\n * no way affects any of the arithmetic of the contract, including\n * {IERC20-balanceOf} and {IERC20-transfer}.\n /\n function decimals() public view virtual override returns (uint8) {\n return 18;\n }\n\n /\n @dev See {IERC20-totalSupply}.\n /\n function totalSupply() public view virtual override returns (uint256) {\n return _totalSupply;\n }\n\n /\n @dev See {IERC20-balanceOf}.\n /\n function balanceOf(address account) public view virtual override returns (uint256) {\n return _balances[account];\n }\n\n /\n @dev See {IERC20-transfer}.\n \n Requirements:\n \n - `to` cannot be the zero address.\n * - the caller must have a balance of at least `amount`.\n /\n function transfer(address to, uint256 amount) public virtual override returns (bool) {\n address owner = _msgSender();\n _transfer(owner, to, amount);\n return true;\n }\n\n /\n @dev See {IERC20-allowance}.\n /\n function allowance(address owner, address spender) public view virtual override returns (uint256) {\n return _allowances[owner][spender];\n }\n\n /\n @dev See {IERC20-approve}.\n \n NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on\n * `transferFrom`. This is semantically equivalent to an infinite approval.\n \n Requirements:\n \n - `spender` cannot be the zero address.\n /\n function approve(address spender, uint256 amount) public virtual override returns (bool) {\n address owner = _msgSender();\n _approve(owner, spender, amount);\n return true;\n }\n\n /\n @dev See {IERC20-transferFrom}.\n \n Emits an {Approval} event indicating the updated allowance. This is not\n * required by the EIP. See the note at the beginning of {ERC20}.\n \n NOTE: Does not update the allowance if the current allowance\n * is the maximum `uint256`.\n \n Requirements:\n \n - `from` and `to` cannot be the zero address.\n * - `from` must have a balance of at least `amount`.\n * - the caller must have allowance for ``from``'s tokens of at least\n * `amount`.\n /\n function transferFrom(\n address from,\n address to,\n uint256 amount\n ) public virtual override returns (bool) {\n address spender = _msgSender();\n _spendAllowance(from, spender, amount);\n _transfer(from, to, amount);\n return true;\n }\n\n /\n @dev Atomically increases the allowance granted to `spender` by the caller.\n \n This is an alternative to {approve} that can be used as a mitigation for\n * problems described in {IERC20-approve}.\n \n Emits an {Approval} event indicating the updated allowance.\n \n Requirements:\n \n - `spender` cannot be the zero address.\n /\n function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {\n address owner = _msgSender();\n _approve(owner, spender, allowance(owner, spender) + addedValue);\n return true;\n }\n\n /\n @dev Atomically decreases the allowance granted to `spender` by the caller.\n \n This is an alternative to {approve} that can be used as a mitigation for\n * problems described in {IERC20-approve}.\n \n Emits an {Approval} event indicating the updated allowance.\n \n Requirements:\n \n - `spender` cannot be the zero address.\n * - `spender` must have allowance for the caller of at least\n * `subtractedValue`.\n /\n function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {\n address owner = _msgSender();\n uint256 currentAllowance = allowance(owner, spender);\n require(currentAllowance >= subtractedValue, \"ERC20: decreased allowance below zero\");\n unchecked {\n _approve(owner, spender, currentAllowance - subtractedValue);\n }\n\n return true;\n }\n\n /\n @dev Moves `amount` of tokens from `sender` to `recipient`.\n \n This internal function is equivalent to {transfer}, and can be used to\n * e.g. implement automatic token fees, slashing mechanisms, etc.\n \n Emits a {Transfer} event.\n \n Requirements:\n \n - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `from` must have a balance of at least `amount`.\n /\n function _transfer(\n address from,\n address to,\n uint256 amount\n ) internal virtual {\n require(from != address(0), \"ERC20: transfer from the zero address\");\n require(to != address(0), \"ERC20: transfer to the zero address\");\n\n _beforeTokenTransfer(from, to, amount);\n\n uint256 fromBalance = _balances[from];\n require(fromBalance >= amount, \"ERC20: transfer amount exceeds balance\");\n unchecked {\n _balances[from] = fromBalance - amount;\n }\n _balances[to] += amount;\n\n emit Transfer(from, to, amount);\n\n _afterTokenTransfer(from, to, amount);\n }\n\n /* @dev Creates `amount` tokens and assigns them to `account`, increasing\n * the total supply.\n \n Emits a {Transfer} event with `from` set to the zero address.\n \n Requirements:\n \n - `account` cannot be the zero address.\n /\n function _mint(address account, uint256 amount) internal virtual {\n require(account != address(0), \"ERC20: mint to the zero address\");\n\n _beforeTokenTransfer(address(0), account, amount);\n\n _totalSupply += amount;\n _balances[account] += amount;\n emit Transfer(address(0), account, amount);\n\n _afterTokenTransfer(address(0), account, amount);\n }\n\n /\n @dev Destroys `amount` tokens from `account`, reducing the\n * total supply.\n \n Emits a {Transfer} event with `to` set to the zero address.\n \n Requirements:\n \n - `account` cannot be the zero address.\n * - `account` must have at least `amount` tokens.\n /\n function _burn(address account, uint256 amount) internal virtual {\n require(account != address(0), \"ERC20: burn from the zero address\");\n\n _beforeTokenTransfer(account, address(0), amount);\n\n uint256 accountBalance = _balances[account];\n require(accountBalance >= amount, \"ERC20: burn amount exceeds balance\");\n unchecked {\n _balances[account] = accountBalance - amount;\n }\n _totalSupply -= amount;\n\n emit Transfer(account, address(0), amount);\n\n _afterTokenTransfer(account, address(0), amount);\n }\n\n /\n @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.\n \n This internal function is equivalent to `approve`, and can be used to\n * e.g. set automatic allowances for certain subsystems, etc.\n \n Emits an {Approval} event.\n \n Requirements:\n \n - `owner` cannot be the zero address.\n * - `spender` cannot be the zero address.\n /\n function _approve(\n address owner,\n address spender,\n uint256 amount\n ) internal virtual {\n require(owner != address(0), \"ERC20: approve from the zero address\");\n require(spender != address(0), \"ERC20: approve to the zero address\");\n\n _allowances[owner][spender] = amount;\n emit Approval(owner, spender, amount);\n }\n\n /\n @dev Updates `owner` s allowance for `spender` based on spent `amount`.\n \n Does not update the allowance amount in case of infinite allowance.\n * Revert if not enough allowance is available.\n \n Might emit an {Approval} event.\n /\n function _spendAllowance(\n address owner,\n address spender,\n uint256 amount\n ) internal virtual {\n uint256 currentAllowance = allowance(owner, spender);\n if (currentAllowance != type(uint256).max) {\n require(currentAllowance >= amount, \"ERC20: insufficient allowance\");\n unchecked {\n _approve(owner, spender, currentAllowance - amount);\n }\n }\n }\n\n /\n @dev Hook that is called before any transfer of tokens. This includes\n * minting and burning.\n \n Calling conditions:\n \n - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens\n * will be transferred to `to`.\n * - when `from` is zero, `amount` tokens will be minted for `to`.\n * - when `to` is zero, `amount` of ``from``'s tokens will be burned.\n * - `from` and `to` are never both zero.\n \n To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n /\n function _beforeTokenTransfer(\n address from,\n address to,\n uint256 amount\n ) internal virtual {}\n\n /\n @dev Hook that is called after any transfer of tokens. This includes\n * minting and burning.\n \n Calling conditions:\n \n - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens\n * has been transferred to `to`.\n * - when `from` is zero, `amount` tokens have been minted for `to`.\n * - when `to` is zero, `amount` of ``from``'s tokens have been burned.\n * - `from` and `to` are never both zero.\n \n To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n */\n function _afterTokenTransfer(\n address from,\n address to,\n uint256 amount\n ) internal virtual {}\n}\n"
	},
	"@openzeppelin/contracts/token/ERC20/IERC20.sol": {
	"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)\n\npragma solidity ^0.8.0;\n\n/*\n @dev Interface of the ERC20 standard as defined in the EIP.\n /\ninterface IERC20 {\n /\n @dev Emitted when `value` tokens are moved from one account (`from`) to\n * another (`to`).\n \n Note that `value` may be zero.\n /\n event Transfer(address indexed from, address indexed to, uint256 value);\n\n /\n @dev Emitted when the allowance of a `spender` for an `owner` is set by\n * a call to {approve}. `value` is the new allowance.\n /\n event Approval(address indexed owner, address indexed spender, uint256 value);\n\n /\n @dev Returns the amount of tokens in existence.\n /\n function totalSupply() external view returns (uint256);\n\n /\n @dev Returns the amount of tokens owned by `account`.\n /\n function balanceOf(address account) external view returns (uint256);\n\n /\n @dev Moves `amount` tokens from the caller's account to `to`.\n \n Returns a boolean value indicating whether the operation succeeded.\n \n Emits a {Transfer} event.\n /\n function transfer(address to, uint256 amount) external returns (bool);\n\n /\n @dev Returns the remaining number of tokens that `spender` will be\n * allowed to spend on behalf of `owner` through {transferFrom}. This is\n * zero by default.\n \n This value changes when {approve} or {transferFrom} are called.\n /\n function allowance(address owner, address spender) external view returns (uint256);\n\n /\n @dev Sets `amount` as the allowance of `spender` over the caller's tokens.\n \n Returns a boolean value indicating whether the operation succeeded.\n \n IMPORTANT: Beware that changing an allowance with this method brings the risk\n * that someone may use both the old and the new allowance by unfortunate\n * transaction ordering. One possible solution to mitigate this race\n * condition is to first reduce the spender's allowance to 0 and set the\n * desired value afterwards:\n * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n \n Emits an {Approval} event.\n /\n function approve(address spender, uint256 amount) external returns (bool);\n\n /\n @dev Moves `amount` tokens from `from` to `to` using the\n * allowance mechanism. `amount` is then deducted from the caller's\n * allowance.\n \n Returns a boolean value indicating whether the operation succeeded.\n \n Emits a {Transfer} event.\n */\n function transferFrom(\n address from,\n address to,\n uint256 amount\n ) external returns (bool);\n}\n"
	},
	"@openzeppelin/contracts/token/ERC20/extensions/ERC20Burnable.sol": {
	"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC20/extensions/ERC20Burnable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../ERC20.sol\";\nimport \"../../../utils/Context.sol\";\n\n/*\n @dev Extension of {ERC20} that allows token holders to destroy both their own\n * tokens and those that they have an allowance for, in a way that can be\n * recognized off-chain (via event analysis).\n /\nabstract contract ERC20Burnable is Context, ERC20 {\n /\n @dev Destroys `amount` tokens from the caller.\n \n See {ERC20-_burn}.\n /\n function burn(uint256 amount) public virtual {\n _burn(_msgSender(), amount);\n }\n\n /\n @dev Destroys `amount` tokens from `account`, deducting from the caller's\n * allowance.\n \n See {ERC20-_burn} and {ERC20-allowance}.\n \n Requirements:\n \n - the caller must have allowance for ``accounts``'s tokens of at least\n * `amount`.\n */\n function burnFrom(address account, uint256 amount) public virtual {\n _spendAllowance(account, _msgSender(), amount);\n _burn(account, amount);\n }\n}\n"
	},
	"@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol": {
	"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC20.sol\";\n\n/*\n @dev Interface for the optional metadata functions from the ERC20 standard.\n \n _Available since v4.1._\n /\ninterface IERC20Metadata is IERC20 {\n /\n @dev Returns the name of the token.\n /\n function name() external view returns (string memory);\n\n /\n @dev Returns the symbol of the token.\n /\n function symbol() external view returns (string memory);\n\n /\n @dev Returns the decimals places of the token.\n */\n function decimals() external view returns (uint8);\n}\n"
	},
	"@openzeppelin/contracts/utils/Address.sol": {
	"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol)\n\npragma solidity ^0.8.1;\n\n/*\n @dev Collection of functions related to the address type\n /\nlibrary Address {\n /\n @dev Returns true if `account` is a contract.\n \n [IMPORTANT]\n * ====\n * It is unsafe to assume that an address for which this function returns\n * false is an externally-owned account (EOA) and not a contract.\n \n Among others, `isContract` will return false for the following\n * types of addresses:\n \n - an externally-owned account\n * - a contract in construction\n * - an address where a contract will be created\n * - an address where a contract lived, but was destroyed\n * ====\n \n [IMPORTANT]\n * ====\n * You shouldn't rely on `isContract` to protect against flash loan attacks!\n \n Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets\n * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract\n * constructor.\n * ====\n /\n function isContract(address account) internal view returns (bool) {\n // This method relies on extcodesize/address.code.length, which returns 0\n // for contracts in construction, since the code is only stored at the end\n // of the constructor execution.\n\n return account.code.length > 0;\n }\n\n /\n @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n * `recipient`, forwarding all available gas and reverting on errors.\n \n https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\n * imposed by `transfer`, making them unable to receive funds via\n * `transfer`. {sendValue} removes this limitation.\n \n https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n \n IMPORTANT: because control is transferred to `recipient`, care must be\n * taken to not create reentrancy vulnerabilities. Consider using\n * {ReentrancyGuard} or the\n * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n /\n function sendValue(address payable recipient, uint256 amount) internal {\n require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n (bool success, ) = recipient.call{value: amount}(\"\");\n require(success, \"Address: unable to send value, recipient may have reverted\");\n }\n\n /\n @dev Performs a Solidity function call using a low level `call`. A\n * plain `call` is an unsafe replacement for a function call: use this\n * function instead.\n \n If `target` reverts with a revert reason, it is bubbled up by this\n * function (like regular Solidity function calls).\n \n Returns the raw returned data. To convert to the expected return value,\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n \n Requirements:\n \n - `target` must be a contract.\n * - calling `target` with `data` must not revert.\n \n _Available since v3.1._\n /\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionCall(target, data, \"Address: low-level call failed\");\n }\n\n /\n @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n * `errorMessage` as a fallback revert reason when `target` reverts.\n \n _Available since v3.1._\n /\n function functionCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0, errorMessage);\n }\n\n /\n @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but also transferring `value` wei to `target`.\n \n Requirements:\n \n - the calling contract must have an ETH balance of at least `value`.\n * - the called Solidity function must be `payable`.\n \n _Available since v3.1._\n /\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n }\n\n /\n @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n * with `errorMessage` as a fallback revert reason when `target` reverts.\n \n _Available since v3.1._\n /\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(address(this).balance >= value, \"Address: insufficient balance for call\");\n require(isContract(target), \"Address: call to non-contract\");\n\n (bool success, bytes memory returndata) = target.call{value: value}(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /\n @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a static call.\n \n _Available since v3.3._\n /\n function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n return functionStaticCall(target, data, \"Address: low-level static call failed\");\n }\n\n /\n @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a static call.\n \n _Available since v3.3._\n /\n function functionStaticCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal view returns (bytes memory) {\n require(isContract(target), \"Address: static call to non-contract\");\n\n (bool success, bytes memory returndata) = target.staticcall(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /\n @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a delegate call.\n \n _Available since v3.4._\n /\n function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionDelegateCall(target, data, \"Address: low-level delegate call failed\");\n }\n\n /\n @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a delegate call.\n \n _Available since v3.4._\n /\n function functionDelegateCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(isContract(target), \"Address: delegate call to non-contract\");\n\n (bool success, bytes memory returndata) = target.delegatecall(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /\n @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the\n * revert reason using the provided one.\n \n _Available since v4.3._\n */\n function verifyCallResult(\n bool success,\n bytes memory returndata,\n string memory errorMessage\n ) internal pure returns (bytes memory) {\n if (success) {\n return returndata;\n } else {\n // Look for revert reason and bubble it up if present\n if (returndata.length > 0) {\n // The easiest way to bubble the revert reason is using memory via assembly\n\n assembly {\n let returndata_size := mload(returndata)\n revert(add(32, returndata), returndata_size)\n }\n } else {\n revert(errorMessage);\n }\n }\n }\n}\n"
	},
	"@openzeppelin/contracts/utils/Context.sol": {
	"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)\n\npragma solidity ^0.8.0;\n\n/*\n @dev Provides information about the current execution context, including the\n * sender of the transaction and its data. While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n \n This contract is only required for intermediate, library-like contracts.\n */\nabstract contract Context {\n function _msgSender() internal view virtual returns (address) {\n return msg.sender;\n }\n\n function _msgData() internal view virtual returns (bytes calldata) {\n return msg.data;\n }\n}\n"
	},
	"@openzeppelin/contracts/utils/Strings.sol": {
	"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Strings.sol)\n\npragma solidity ^0.8.0;\n\n/*\n @dev String operations.\n /\nlibrary Strings {\n bytes16 private constant _HEX_SYMBOLS = \"0123456789abcdef\";\n\n /\n @dev Converts a `uint256` to its ASCII `string` decimal representation.\n /\n function toString(uint256 value) internal pure returns (string memory) {\n // Inspired by OraclizeAPI's implementation - MIT licence\n // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol\n\n if (value == 0) {\n return \"0\";\n }\n uint256 temp = value;\n uint256 digits;\n while (temp != 0) {\n digits++;\n temp /= 10;\n }\n bytes memory buffer = new bytes(digits);\n while (value != 0) {\n digits -= 1;\n buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));\n value /= 10;\n }\n return string(buffer);\n }\n\n /\n @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.\n /\n function toHexString(uint256 value) internal pure returns (string memory) {\n if (value == 0) {\n return \"0x00\";\n }\n uint256 temp = value;\n uint256 length = 0;\n while (temp != 0) {\n length++;\n temp >>= 8;\n }\n return toHexString(value, length);\n }\n\n /\n @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.\n /\n function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {\n bytes memory buffer = new bytes(2 length + 2);\n buffer[0] = \"0\";\n buffer[1] = \"x\";\n for (uint256 i = 2 * length + 1; i > 1; --i) {\n buffer[i] = _HEX_SYMBOLS[value & 0xf];\n value >>= 4;\n }\n require(value == 0, \"Strings: hex length insufficient\");\n return string(buffer);\n }\n}\n"
	},
	"@openzeppelin/contracts/utils/introspection/ERC165.sol": {
	"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC165.sol\";\n\n/*\n @dev Implementation of the {IERC165} interface.\n \n Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check\n * for the additional interface id that will be supported. For example:\n \n ```solidity\n * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n * return interfaceId == type(MyInterface).interfaceId \|\| super.supportsInterface(interfaceId);\n * }\n * ```\n \n Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.\n /\nabstract contract ERC165 is IERC165 {\n /\n @dev See {IERC165-supportsInterface}.\n */\n function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n return interfaceId == type(IERC165).interfaceId;\n }\n}\n"
	},
	"@openzeppelin/contracts/utils/introspection/IERC165.sol": {
	"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)\n\npragma solidity ^0.8.0;\n\n/*\n @dev Interface of the ERC165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[EIP].\n \n Implementers can declare support of contract interfaces, which can then be\n * queried by others ({ERC165Checker}).\n \n For an implementation, see {ERC165}.\n /\ninterface IERC165 {\n /\n @dev Returns true if this contract implements the interface defined by\n * `interfaceId`. See the corresponding\n * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]\n * to learn more about how these ids are created.\n \n This function call must use less than 30 000 gas.\n */\n function supportsInterface(bytes4 interfaceId) external view returns (bool);\n}\n"
	},
	"contracts/tokens/presets/ERC20BasicToken.sol": {
	"content": "// SPDX-License-Identifier: AGPL-3.0\n\npragma solidity 0.8.9;\n\nimport \"@openzeppelin/contracts/proxy/utils/Initializable.sol\";\nimport \"@openzeppelin/contracts/token/ERC20/ERC20.sol\";\nimport \"@openzeppelin/contracts/token/ERC20/extensions/ERC20Burnable.sol\";\nimport \"@openzeppelin/contracts/security/Pausable.sol\";\nimport \"@openzeppelin/contracts/access/AccessControl.sol\";\n\ncontract ERC20BasicToken is\n Initializable,\n ERC20,\n ERC20Burnable,\n Pausable,\n AccessControl\n{\n bytes32 public constant PAUSER_ROLE = keccak256(\"PAUSER_ROLE\");\n bytes32 public constant MINTER_ROLE = keccak256(\"MINTER_ROLE\");\n\n string private _name;\n string private _symbol;\n\n struct Config {\n string name;\n string symbol;\n }\n\n constructor(Config memory config) ERC20(config.name, config.symbol) {\n initialize(config, msg.sender);\n }\n\n function initialize(Config memory config, address deployer)\n public\n initializer\n {\n _name = config.name;\n _symbol = config.symbol;\n\n _grantRole(DEFAULT_ADMIN_ROLE, deployer);\n _grantRole(PAUSER_ROLE, deployer);\n _grantRole(MINTER_ROLE, deployer);\n }\n\n function name() public view virtual override returns (string memory) {\n return _name;\n }\n\n function symbol() public view virtual override returns (string memory) {\n return _symbol;\n }\n\n function pause() public onlyRole(PAUSER_ROLE) {\n _pause();\n }\n\n function unpause() public onlyRole(PAUSER_ROLE) {\n _unpause();\n }\n\n function mint(address to, uint256 amount) public onlyRole(MINTER_ROLE) {\n _mint(to, amount);\n }\n\n function _beforeTokenTransfer(\n address from,\n address to,\n uint256 amount\n ) internal override whenNotPaused {\n super._beforeTokenTransfer(from, to, amount);\n }\n}\n"
	}
	}
	}