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Contract Name:
TermRepoLocker
Compiler Version
v0.8.18+commit.87f61d96
Optimization Enabled:
Yes with 50 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
//SPDX-License-Identifier: CC-BY-NC-ND-4.0 pragma solidity ^0.8.18; import {ITermRepoLocker} from "./interfaces/ITermRepoLocker.sol"; import {ITermRepoLockerErrors} from "./interfaces/ITermRepoLockerErrors.sol"; import {ITermEventEmitter} from "./interfaces/ITermEventEmitter.sol"; import {Initializable} from "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol"; import {UUPSUpgradeable} from "@openzeppelin/contracts-upgradeable/proxy/utils/UUPSUpgradeable.sol"; import {AccessControlUpgradeable} from "@openzeppelin/contracts-upgradeable/access/AccessControlUpgradeable.sol"; import {IERC20Upgradeable} from "@openzeppelin/contracts-upgradeable/token/ERC20/IERC20Upgradeable.sol"; import {SafeERC20Upgradeable} from "@openzeppelin/contracts-upgradeable/token/ERC20/utils/SafeERC20Upgradeable.sol"; import {Versionable} from "./lib/Versionable.sol"; /// @author TermLabs /// @title Term Repo Locker /// @notice This is the contract in which Term Servicer locks collateral and purchase tokens /// @dev This contract belongs to the Term Servicer group of contracts and is specific to a Term Repo deployment contract TermRepoLocker is ITermRepoLocker, ITermRepoLockerErrors, Initializable, UUPSUpgradeable, AccessControlUpgradeable, Versionable { using SafeERC20Upgradeable for IERC20Upgradeable; // ======================================================================== // = Access Roles ========================================================= // ======================================================================== bytes32 public constant ADMIN_ROLE = keccak256("ADMIN_ROLE"); bytes32 public constant DEVOPS_ROLE = keccak256("DEVOPS_ROLE"); bytes32 public constant INITIALIZER_ROLE = keccak256("INITIALIZER_ROLE"); bytes32 public constant SERVICER_ROLE = keccak256("SERVICER_ROLE"); // ======================================================================== // = State Variables ====================================================== // ======================================================================== bytes32 public termRepoId; bool public transfersPaused; // Boolean indicating if term contracts paired bool internal termContractPaired; ITermEventEmitter internal emitter; // ======================================================================== // = Modifiers =========================================================== // ======================================================================== modifier whileTransfersNotPaused() { if (transfersPaused) { revert TermRepoLockerTransfersPaused(); } _; } modifier notTermContractPaired() { if (termContractPaired) { revert AlreadyTermContractPaired(); } termContractPaired = true; _; } /// @custom:oz-upgrades-unsafe-allow constructor constructor() { _disableInitializers(); } function initialize( string calldata termRepoId_, address termInitializer_ ) external initializer { UUPSUpgradeable.__UUPSUpgradeable_init(); AccessControlUpgradeable.__AccessControl_init(); termRepoId = keccak256(abi.encodePacked(termRepoId_)); transfersPaused = false; _grantRole(INITIALIZER_ROLE, termInitializer_); } function pairTermContracts( address termRepoCollateralManager_, address termRepoServicer_, ITermEventEmitter emitter_, address devopsMultisig_, address adminWallet_ ) external onlyRole(INITIALIZER_ROLE) notTermContractPaired { emitter = emitter_; _grantRole(SERVICER_ROLE, termRepoCollateralManager_); _grantRole(SERVICER_ROLE, termRepoServicer_); _grantRole(DEVOPS_ROLE, devopsMultisig_); _grantRole(ADMIN_ROLE, adminWallet_); emitter.emitTermRepoLockerInitialized(termRepoId, address(this)); } /// @notice Locks tokens from origin wallet /// @notice Reverts if caller doesn't have SERVICER_ROLE /// @param originWallet The wallet from which to transfer tokens /// @param token The address of token being transferred /// @param amount The amount of tokens to transfer function transferTokenFromWallet( address originWallet, address token, uint256 amount ) external override whileTransfersNotPaused onlyRole(SERVICER_ROLE) { IERC20Upgradeable tokenInstance = IERC20Upgradeable(token); // slither-disable-start arbitrary-send-erc20 /// @dev This function is permissioned to be only callable by other term contracts. The entry points of calls that end up utilizing this function all use Authenticator to /// authenticate that the caller is the owner of the token whose approved this contract to spend the tokens. Therefore there is no risk of another wallet using this function /// to transfer somebody else's tokens. tokenInstance.safeTransferFrom(originWallet, address(this), amount); // slither-disable-end arbitrary-send-erc20 } /// @notice Unlocks tokens to destination wallet /// @dev Reverts if caller doesn't have SERVICER_ROLE /// @param destinationWallet The wallet to unlock tokens into /// @param token The address of token being unlocked /// @param amount The amount of tokens to unlock function transferTokenToWallet( address destinationWallet, address token, uint256 amount ) external override whileTransfersNotPaused onlyRole(SERVICER_ROLE) { IERC20Upgradeable tokenInstance = IERC20Upgradeable(token); tokenInstance.safeTransfer(destinationWallet, amount); } // ======================================================================== // = Pause Functions ====================================================== // ======================================================================== function pauseTransfers() external onlyRole(ADMIN_ROLE) { transfersPaused = true; emitter.emitTermRepoLockerTransfersPaused(termRepoId); } function unpauseTransfers() external onlyRole(ADMIN_ROLE) { transfersPaused = false; emitter.emitTermRepoLockerTransfersUnpaused(termRepoId); } ///@dev required override by the OpenZeppelin UUPS module ///@param impl new impl address for proxy upgrade function _authorizeUpgrade( address impl ) internal override onlyRole(DEVOPS_ROLE) { emitter.emitTermContractUpgraded(address(this), impl); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (access/AccessControl.sol) pragma solidity ^0.8.0; import "./IAccessControlUpgradeable.sol"; import "../utils/ContextUpgradeable.sol"; import "../utils/StringsUpgradeable.sol"; import "../utils/introspection/ERC165Upgradeable.sol"; import "../proxy/utils/Initializable.sol"; /** * @dev Contract module that allows children to implement role-based access * control mechanisms. This is a lightweight version that doesn't allow enumerating role * members except through off-chain means by accessing the contract event logs. Some * applications may benefit from on-chain enumerability, for those cases see * {AccessControlEnumerable}. * * 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: * * ```solidity * 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}: * * ```solidity * 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. We recommend using {AccessControlDefaultAdminRules} * to enforce additional security measures for this role. */ abstract contract AccessControlUpgradeable is Initializable, ContextUpgradeable, IAccessControlUpgradeable, ERC165Upgradeable { function __AccessControl_init() internal onlyInitializing { } function __AccessControl_init_unchained() internal onlyInitializing { } struct RoleData { mapping(address => bool) members; bytes32 adminRole; } mapping(bytes32 => RoleData) private _roles; bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00; /** * @dev Modifier that checks that an account has a specific role. Reverts * with a standardized message including the required role. * * The format of the revert reason is given by the following regular expression: * * /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/ * * _Available since v4.1._ */ modifier onlyRole(bytes32 role) { _checkRole(role); _; } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IAccessControlUpgradeable).interfaceId || super.supportsInterface(interfaceId); } /** * @dev Returns `true` if `account` has been granted `role`. */ function hasRole(bytes32 role, address account) public view virtual override returns (bool) { return _roles[role].members[account]; } /** * @dev Revert with a standard message if `_msgSender()` is missing `role`. * Overriding this function changes the behavior of the {onlyRole} modifier. * * Format of the revert message is described in {_checkRole}. * * _Available since v4.6._ */ function _checkRole(bytes32 role) internal view virtual { _checkRole(role, _msgSender()); } /** * @dev Revert with a standard message if `account` is missing `role`. * * The format of the revert reason is given by the following regular expression: * * /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/ */ function _checkRole(bytes32 role, address account) internal view virtual { if (!hasRole(role, account)) { revert( string( abi.encodePacked( "AccessControl: account ", StringsUpgradeable.toHexString(account), " is missing role ", StringsUpgradeable.toHexString(uint256(role), 32) ) ) ); } } /** * @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 virtual override 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. * * May emit a {RoleGranted} event. */ function grantRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) { _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. * * May emit a {RoleRevoked} event. */ function revokeRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) { _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 revoked `role`, emits a {RoleRevoked} * event. * * Requirements: * * - the caller must be `account`. * * May emit a {RoleRevoked} event. */ function renounceRole(bytes32 role, address account) public virtual override { 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. * * May emit a {RoleGranted} event. * * [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}. * ==== * * NOTE: This function is deprecated in favor of {_grantRole}. */ 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 { bytes32 previousAdminRole = getRoleAdmin(role); _roles[role].adminRole = adminRole; emit RoleAdminChanged(role, previousAdminRole, adminRole); } /** * @dev Grants `role` to `account`. * * Internal function without access restriction. * * May emit a {RoleGranted} event. */ function _grantRole(bytes32 role, address account) internal virtual { if (!hasRole(role, account)) { _roles[role].members[account] = true; emit RoleGranted(role, account, _msgSender()); } } /** * @dev Revokes `role` from `account`. * * Internal function without access restriction. * * May emit a {RoleRevoked} event. */ function _revokeRole(bytes32 role, address account) internal virtual { if (hasRole(role, account)) { _roles[role].members[account] = false; emit RoleRevoked(role, account, _msgSender()); } } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[49] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol) pragma solidity ^0.8.0; /** * @dev External interface of AccessControl declared to support ERC165 detection. */ interface IAccessControlUpgradeable { /** * @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 {AccessControl-_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) external view returns (bool); /** * @dev Returns the admin role that controls `role`. See {grantRole} and * {revokeRole}. * * To change a role's admin, use {AccessControl-_setRoleAdmin}. */ function getRoleAdmin(bytes32 role) external view returns (bytes32); /** * @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) external; /** * @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) external; /** * @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) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (interfaces/draft-IERC1822.sol) pragma solidity ^0.8.0; /** * @dev ERC1822: Universal Upgradeable Proxy Standard (UUPS) documents a method for upgradeability through a simplified * proxy whose upgrades are fully controlled by the current implementation. */ interface IERC1822ProxiableUpgradeable { /** * @dev Returns the storage slot that the proxiable contract assumes is being used to store the implementation * address. * * IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this * function revert if invoked through a proxy. */ function proxiableUUID() external view returns (bytes32); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (interfaces/IERC1967.sol) pragma solidity ^0.8.0; /** * @dev ERC-1967: Proxy Storage Slots. This interface contains the events defined in the ERC. * * _Available since v4.8.3._ */ interface IERC1967Upgradeable { /** * @dev Emitted when the implementation is upgraded. */ event Upgraded(address indexed implementation); /** * @dev Emitted when the admin account has changed. */ event AdminChanged(address previousAdmin, address newAdmin); /** * @dev Emitted when the beacon is changed. */ event BeaconUpgraded(address indexed beacon); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (proxy/beacon/IBeacon.sol) pragma solidity ^0.8.0; /** * @dev This is the interface that {BeaconProxy} expects of its beacon. */ interface IBeaconUpgradeable { /** * @dev Must return an address that can be used as a delegate call target. * * {BeaconProxy} will check that this address is a contract. */ function implementation() external view returns (address); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (proxy/ERC1967/ERC1967Upgrade.sol) pragma solidity ^0.8.2; import "../beacon/IBeaconUpgradeable.sol"; import "../../interfaces/IERC1967Upgradeable.sol"; import "../../interfaces/draft-IERC1822Upgradeable.sol"; import "../../utils/AddressUpgradeable.sol"; import "../../utils/StorageSlotUpgradeable.sol"; import "../utils/Initializable.sol"; /** * @dev This abstract contract provides getters and event emitting update functions for * https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots. * * _Available since v4.1._ */ abstract contract ERC1967UpgradeUpgradeable is Initializable, IERC1967Upgradeable { function __ERC1967Upgrade_init() internal onlyInitializing { } function __ERC1967Upgrade_init_unchained() internal onlyInitializing { } // This is the keccak-256 hash of "eip1967.proxy.rollback" subtracted by 1 bytes32 private constant _ROLLBACK_SLOT = 0x4910fdfa16fed3260ed0e7147f7cc6da11a60208b5b9406d12a635614ffd9143; /** * @dev Storage slot with the address of the current implementation. * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is * validated in the constructor. */ bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc; /** * @dev Returns the current implementation address. */ function _getImplementation() internal view returns (address) { return StorageSlotUpgradeable.getAddressSlot(_IMPLEMENTATION_SLOT).value; } /** * @dev Stores a new address in the EIP1967 implementation slot. */ function _setImplementation(address newImplementation) private { require(AddressUpgradeable.isContract(newImplementation), "ERC1967: new implementation is not a contract"); StorageSlotUpgradeable.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation; } /** * @dev Perform implementation upgrade * * Emits an {Upgraded} event. */ function _upgradeTo(address newImplementation) internal { _setImplementation(newImplementation); emit Upgraded(newImplementation); } /** * @dev Perform implementation upgrade with additional setup call. * * Emits an {Upgraded} event. */ function _upgradeToAndCall(address newImplementation, bytes memory data, bool forceCall) internal { _upgradeTo(newImplementation); if (data.length > 0 || forceCall) { AddressUpgradeable.functionDelegateCall(newImplementation, data); } } /** * @dev Perform implementation upgrade with security checks for UUPS proxies, and additional setup call. * * Emits an {Upgraded} event. */ function _upgradeToAndCallUUPS(address newImplementation, bytes memory data, bool forceCall) internal { // Upgrades from old implementations will perform a rollback test. This test requires the new // implementation to upgrade back to the old, non-ERC1822 compliant, implementation. Removing // this special case will break upgrade paths from old UUPS implementation to new ones. if (StorageSlotUpgradeable.getBooleanSlot(_ROLLBACK_SLOT).value) { _setImplementation(newImplementation); } else { try IERC1822ProxiableUpgradeable(newImplementation).proxiableUUID() returns (bytes32 slot) { require(slot == _IMPLEMENTATION_SLOT, "ERC1967Upgrade: unsupported proxiableUUID"); } catch { revert("ERC1967Upgrade: new implementation is not UUPS"); } _upgradeToAndCall(newImplementation, data, forceCall); } } /** * @dev Storage slot with the admin of the contract. * This is the keccak-256 hash of "eip1967.proxy.admin" subtracted by 1, and is * validated in the constructor. */ bytes32 internal constant _ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103; /** * @dev Returns the current admin. */ function _getAdmin() internal view returns (address) { return StorageSlotUpgradeable.getAddressSlot(_ADMIN_SLOT).value; } /** * @dev Stores a new address in the EIP1967 admin slot. */ function _setAdmin(address newAdmin) private { require(newAdmin != address(0), "ERC1967: new admin is the zero address"); StorageSlotUpgradeable.getAddressSlot(_ADMIN_SLOT).value = newAdmin; } /** * @dev Changes the admin of the proxy. * * Emits an {AdminChanged} event. */ function _changeAdmin(address newAdmin) internal { emit AdminChanged(_getAdmin(), newAdmin); _setAdmin(newAdmin); } /** * @dev The storage slot of the UpgradeableBeacon contract which defines the implementation for this proxy. * This is bytes32(uint256(keccak256('eip1967.proxy.beacon')) - 1)) and is validated in the constructor. */ bytes32 internal constant _BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50; /** * @dev Returns the current beacon. */ function _getBeacon() internal view returns (address) { return StorageSlotUpgradeable.getAddressSlot(_BEACON_SLOT).value; } /** * @dev Stores a new beacon in the EIP1967 beacon slot. */ function _setBeacon(address newBeacon) private { require(AddressUpgradeable.isContract(newBeacon), "ERC1967: new beacon is not a contract"); require( AddressUpgradeable.isContract(IBeaconUpgradeable(newBeacon).implementation()), "ERC1967: beacon implementation is not a contract" ); StorageSlotUpgradeable.getAddressSlot(_BEACON_SLOT).value = newBeacon; } /** * @dev Perform beacon upgrade with additional setup call. Note: This upgrades the address of the beacon, it does * not upgrade the implementation contained in the beacon (see {UpgradeableBeacon-_setImplementation} for that). * * Emits a {BeaconUpgraded} event. */ function _upgradeBeaconToAndCall(address newBeacon, bytes memory data, bool forceCall) internal { _setBeacon(newBeacon); emit BeaconUpgraded(newBeacon); if (data.length > 0 || forceCall) { AddressUpgradeable.functionDelegateCall(IBeaconUpgradeable(newBeacon).implementation(), data); } } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[50] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (proxy/utils/Initializable.sol) pragma solidity ^0.8.2; import "../../utils/AddressUpgradeable.sol"; /** * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect. * * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be * reused. This mechanism prevents re-execution of each "step" but allows the creation of new initialization steps in * case an upgrade adds a module that needs to be initialized. * * For example: * * [.hljs-theme-light.nopadding] * ```solidity * contract MyToken is ERC20Upgradeable { * function initialize() initializer public { * __ERC20_init("MyToken", "MTK"); * } * } * * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable { * function initializeV2() reinitializer(2) public { * __ERC20Permit_init("MyToken"); * } * } * ``` * * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}. * * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity. * * [CAUTION] * ==== * Avoid leaving a contract uninitialized. * * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed: * * [.hljs-theme-light.nopadding] * ``` * /// @custom:oz-upgrades-unsafe-allow constructor * constructor() { * _disableInitializers(); * } * ``` * ==== */ abstract contract Initializable { /** * @dev Indicates that the contract has been initialized. * @custom:oz-retyped-from bool */ uint8 private _initialized; /** * @dev Indicates that the contract is in the process of being initialized. */ bool private _initializing; /** * @dev Triggered when the contract has been initialized or reinitialized. */ event Initialized(uint8 version); /** * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope, * `onlyInitializing` functions can be used to initialize parent contracts. * * Similar to `reinitializer(1)`, except that functions marked with `initializer` can be nested in the context of a * constructor. * * Emits an {Initialized} event. */ modifier initializer() { bool isTopLevelCall = !_initializing; require( (isTopLevelCall && _initialized < 1) || (!AddressUpgradeable.isContract(address(this)) && _initialized == 1), "Initializable: contract is already initialized" ); _initialized = 1; if (isTopLevelCall) { _initializing = true; } _; if (isTopLevelCall) { _initializing = false; emit Initialized(1); } } /** * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be * used to initialize parent contracts. * * A reinitializer may be used after the original initialization step. This is essential to configure modules that * are added through upgrades and that require initialization. * * When `version` is 1, this modifier is similar to `initializer`, except that functions marked with `reinitializer` * cannot be nested. If one is invoked in the context of another, execution will revert. * * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in * a contract, executing them in the right order is up to the developer or operator. * * WARNING: setting the version to 255 will prevent any future reinitialization. * * Emits an {Initialized} event. */ modifier reinitializer(uint8 version) { require(!_initializing && _initialized < version, "Initializable: contract is already initialized"); _initialized = version; _initializing = true; _; _initializing = false; emit Initialized(version); } /** * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the * {initializer} and {reinitializer} modifiers, directly or indirectly. */ modifier onlyInitializing() { require(_initializing, "Initializable: contract is not initializing"); _; } /** * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call. * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized * to any version. It is recommended to use this to lock implementation contracts that are designed to be called * through proxies. * * Emits an {Initialized} event the first time it is successfully executed. */ function _disableInitializers() internal virtual { require(!_initializing, "Initializable: contract is initializing"); if (_initialized != type(uint8).max) { _initialized = type(uint8).max; emit Initialized(type(uint8).max); } } /** * @dev Returns the highest version that has been initialized. See {reinitializer}. */ function _getInitializedVersion() internal view returns (uint8) { return _initialized; } /** * @dev Returns `true` if the contract is currently initializing. See {onlyInitializing}. */ function _isInitializing() internal view returns (bool) { return _initializing; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (proxy/utils/UUPSUpgradeable.sol) pragma solidity ^0.8.0; import "../../interfaces/draft-IERC1822Upgradeable.sol"; import "../ERC1967/ERC1967UpgradeUpgradeable.sol"; import "./Initializable.sol"; /** * @dev An upgradeability mechanism designed for UUPS proxies. The functions included here can perform an upgrade of an * {ERC1967Proxy}, when this contract is set as the implementation behind such a proxy. * * A security mechanism ensures that an upgrade does not turn off upgradeability accidentally, although this risk is * reinstated if the upgrade retains upgradeability but removes the security mechanism, e.g. by replacing * `UUPSUpgradeable` with a custom implementation of upgrades. * * The {_authorizeUpgrade} function must be overridden to include access restriction to the upgrade mechanism. * * _Available since v4.1._ */ abstract contract UUPSUpgradeable is Initializable, IERC1822ProxiableUpgradeable, ERC1967UpgradeUpgradeable { function __UUPSUpgradeable_init() internal onlyInitializing { } function __UUPSUpgradeable_init_unchained() internal onlyInitializing { } /// @custom:oz-upgrades-unsafe-allow state-variable-immutable state-variable-assignment address private immutable __self = address(this); /** * @dev Check that the execution is being performed through a delegatecall call and that the execution context is * a proxy contract with an implementation (as defined in ERC1967) pointing to self. This should only be the case * for UUPS and transparent proxies that are using the current contract as their implementation. Execution of a * function through ERC1167 minimal proxies (clones) would not normally pass this test, but is not guaranteed to * fail. */ modifier onlyProxy() { require(address(this) != __self, "Function must be called through delegatecall"); require(_getImplementation() == __self, "Function must be called through active proxy"); _; } /** * @dev Check that the execution is not being performed through a delegate call. This allows a function to be * callable on the implementing contract but not through proxies. */ modifier notDelegated() { require(address(this) == __self, "UUPSUpgradeable: must not be called through delegatecall"); _; } /** * @dev Implementation of the ERC1822 {proxiableUUID} function. This returns the storage slot used by the * implementation. It is used to validate the implementation's compatibility when performing an upgrade. * * IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this * function revert if invoked through a proxy. This is guaranteed by the `notDelegated` modifier. */ function proxiableUUID() external view virtual override notDelegated returns (bytes32) { return _IMPLEMENTATION_SLOT; } /** * @dev Upgrade the implementation of the proxy to `newImplementation`. * * Calls {_authorizeUpgrade}. * * Emits an {Upgraded} event. * * @custom:oz-upgrades-unsafe-allow-reachable delegatecall */ function upgradeTo(address newImplementation) public virtual onlyProxy { _authorizeUpgrade(newImplementation); _upgradeToAndCallUUPS(newImplementation, new bytes(0), false); } /** * @dev Upgrade the implementation of the proxy to `newImplementation`, and subsequently execute the function call * encoded in `data`. * * Calls {_authorizeUpgrade}. * * Emits an {Upgraded} event. * * @custom:oz-upgrades-unsafe-allow-reachable delegatecall */ function upgradeToAndCall(address newImplementation, bytes memory data) public payable virtual onlyProxy { _authorizeUpgrade(newImplementation); _upgradeToAndCallUUPS(newImplementation, data, true); } /** * @dev Function that should revert when `msg.sender` is not authorized to upgrade the contract. Called by * {upgradeTo} and {upgradeToAndCall}. * * Normally, this function will use an xref:access.adoc[access control] modifier such as {Ownable-onlyOwner}. * * ```solidity * function _authorizeUpgrade(address) internal override onlyOwner {} * ``` */ function _authorizeUpgrade(address newImplementation) internal virtual; /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[50] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/extensions/IERC20Permit.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612]. * * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't * need to send a transaction, and thus is not required to hold Ether at all. */ interface IERC20PermitUpgradeable { /** * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens, * given ``owner``'s signed approval. * * IMPORTANT: The same issues {IERC20-approve} has related to transaction * ordering also apply here. * * Emits an {Approval} event. * * Requirements: * * - `spender` cannot be the zero address. * - `deadline` must be a timestamp in the future. * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner` * over the EIP712-formatted function arguments. * - the signature must use ``owner``'s current nonce (see {nonces}). * * For more information on the signature format, see the * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP * section]. */ function permit( address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s ) external; /** * @dev Returns the current nonce for `owner`. This value must be * included whenever a signature is generated for {permit}. * * Every successful call to {permit} increases ``owner``'s nonce by one. This * prevents a signature from being used multiple times. */ function nonces(address owner) external view returns (uint256); /** * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}. */ // solhint-disable-next-line func-name-mixedcase function DOMAIN_SEPARATOR() external view returns (bytes32); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20Upgradeable { /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `to`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address to, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `from` to `to` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address from, address to, uint256 amount) external returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.3) (token/ERC20/utils/SafeERC20.sol) pragma solidity ^0.8.0; import "../IERC20Upgradeable.sol"; import "../extensions/IERC20PermitUpgradeable.sol"; import "../../../utils/AddressUpgradeable.sol"; /** * @title SafeERC20 * @dev Wrappers around ERC20 operations that throw on failure (when the token * contract returns false). Tokens that return no value (and instead revert or * throw on failure) are also supported, non-reverting calls are assumed to be * successful. * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract, * which allows you to call the safe operations as `token.safeTransfer(...)`, etc. */ library SafeERC20Upgradeable { using AddressUpgradeable for address; /** * @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value, * non-reverting calls are assumed to be successful. */ function safeTransfer(IERC20Upgradeable token, address to, uint256 value) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } /** * @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the * calling contract. If `token` returns no value, non-reverting calls are assumed to be successful. */ function safeTransferFrom(IERC20Upgradeable token, address from, address to, uint256 value) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } /** * @dev Deprecated. This function has issues similar to the ones found in * {IERC20-approve}, and its usage is discouraged. * * Whenever possible, use {safeIncreaseAllowance} and * {safeDecreaseAllowance} instead. */ function safeApprove(IERC20Upgradeable token, address spender, uint256 value) internal { // safeApprove should only be called when setting an initial allowance, // or when resetting it to zero. To increase and decrease it, use // 'safeIncreaseAllowance' and 'safeDecreaseAllowance' require( (value == 0) || (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } /** * @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value, * non-reverting calls are assumed to be successful. */ function safeIncreaseAllowance(IERC20Upgradeable token, address spender, uint256 value) internal { uint256 oldAllowance = token.allowance(address(this), spender); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance + value)); } /** * @dev Decrease the calling contract's allowance toward `spender` by `value`. If `token` returns no value, * non-reverting calls are assumed to be successful. */ function safeDecreaseAllowance(IERC20Upgradeable token, address spender, uint256 value) internal { unchecked { uint256 oldAllowance = token.allowance(address(this), spender); require(oldAllowance >= value, "SafeERC20: decreased allowance below zero"); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance - value)); } } /** * @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value, * non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval * to be set to zero before setting it to a non-zero value, such as USDT. */ function forceApprove(IERC20Upgradeable token, address spender, uint256 value) internal { bytes memory approvalCall = abi.encodeWithSelector(token.approve.selector, spender, value); if (!_callOptionalReturnBool(token, approvalCall)) { _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, 0)); _callOptionalReturn(token, approvalCall); } } /** * @dev Use a ERC-2612 signature to set the `owner` approval toward `spender` on `token`. * Revert on invalid signature. */ function safePermit( IERC20PermitUpgradeable token, address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s ) internal { uint256 nonceBefore = token.nonces(owner); token.permit(owner, spender, value, deadline, v, r, s); uint256 nonceAfter = token.nonces(owner); require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed"); } /** * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). */ function _callOptionalReturn(IERC20Upgradeable token, bytes memory data) private { // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since // we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that // the target address contains contract code and also asserts for success in the low-level call. bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed"); require(returndata.length == 0 || abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } /** * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). * * This is a variant of {_callOptionalReturn} that silents catches all reverts and returns a bool instead. */ function _callOptionalReturnBool(IERC20Upgradeable token, bytes memory data) private returns (bool) { // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since // we're implementing it ourselves. We cannot use {Address-functionCall} here since this should return false // and not revert is the subcall reverts. (bool success, bytes memory returndata) = address(token).call(data); return success && (returndata.length == 0 || abi.decode(returndata, (bool))) && AddressUpgradeable.isContract(address(token)); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol) pragma solidity ^0.8.1; /** * @dev Collection of functions related to the address type */ library AddressUpgradeable { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * * Furthermore, `isContract` will also return true if the target contract within * the same transaction is already scheduled for destruction by `SELFDESTRUCT`, * which only has an effect at the end of a transaction. * ==== * * [IMPORTANT] * ==== * You shouldn't rely on `isContract` to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract. * * _Available since v4.8._ */ function verifyCallResultFromTarget( address target, bool success, bytes memory returndata, string memory errorMessage ) internal view returns (bytes memory) { if (success) { if (returndata.length == 0) { // only check isContract if the call was successful and the return data is empty // otherwise we already know that it was a contract require(isContract(target), "Address: call to non-contract"); } return returndata; } else { _revert(returndata, errorMessage); } } /** * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason or using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { _revert(returndata, errorMessage); } } function _revert(bytes memory returndata, string memory errorMessage) private pure { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly /// @solidity memory-safe-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; import "../proxy/utils/Initializable.sol"; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract ContextUpgradeable is Initializable { function __Context_init() internal onlyInitializing { } function __Context_init_unchained() internal onlyInitializing { } function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[50] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; import "./IERC165Upgradeable.sol"; import "../../proxy/utils/Initializable.sol"; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. */ abstract contract ERC165Upgradeable is Initializable, IERC165Upgradeable { function __ERC165_init() internal onlyInitializing { } function __ERC165_init_unchained() internal onlyInitializing { } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165Upgradeable).interfaceId; } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[50] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165Upgradeable { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (utils/math/Math.sol) pragma solidity ^0.8.0; /** * @dev Standard math utilities missing in the Solidity language. */ library MathUpgradeable { enum Rounding { Down, // Toward negative infinity Up, // Toward infinity Zero // Toward zero } /** * @dev Returns the largest of two numbers. */ function max(uint256 a, uint256 b) internal pure returns (uint256) { return a > b ? a : b; } /** * @dev Returns the smallest of two numbers. */ function min(uint256 a, uint256 b) internal pure returns (uint256) { return a < b ? a : b; } /** * @dev Returns the average of two numbers. The result is rounded towards * zero. */ function average(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b) / 2 can overflow. return (a & b) + (a ^ b) / 2; } /** * @dev Returns the ceiling of the division of two numbers. * * This differs from standard division with `/` in that it rounds up instead * of rounding down. */ function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b - 1) / b can overflow on addition, so we distribute. return a == 0 ? 0 : (a - 1) / b + 1; } /** * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0 * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) * with further edits by Uniswap Labs also under MIT license. */ function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) { unchecked { // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256 // variables such that product = prod1 * 2^256 + prod0. uint256 prod0; // Least significant 256 bits of the product uint256 prod1; // Most significant 256 bits of the product assembly { let mm := mulmod(x, y, not(0)) prod0 := mul(x, y) prod1 := sub(sub(mm, prod0), lt(mm, prod0)) } // Handle non-overflow cases, 256 by 256 division. if (prod1 == 0) { // Solidity will revert if denominator == 0, unlike the div opcode on its own. // The surrounding unchecked block does not change this fact. // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic. return prod0 / denominator; } // Make sure the result is less than 2^256. Also prevents denominator == 0. require(denominator > prod1, "Math: mulDiv overflow"); /////////////////////////////////////////////// // 512 by 256 division. /////////////////////////////////////////////// // Make division exact by subtracting the remainder from [prod1 prod0]. uint256 remainder; assembly { // Compute remainder using mulmod. remainder := mulmod(x, y, denominator) // Subtract 256 bit number from 512 bit number. prod1 := sub(prod1, gt(remainder, prod0)) prod0 := sub(prod0, remainder) } // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1. // See https://cs.stackexchange.com/q/138556/92363. // Does not overflow because the denominator cannot be zero at this stage in the function. uint256 twos = denominator & (~denominator + 1); assembly { // Divide denominator by twos. denominator := div(denominator, twos) // Divide [prod1 prod0] by twos. prod0 := div(prod0, twos) // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one. twos := add(div(sub(0, twos), twos), 1) } // Shift in bits from prod1 into prod0. prod0 |= prod1 * twos; // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for // four bits. That is, denominator * inv = 1 mod 2^4. uint256 inverse = (3 * denominator) ^ 2; // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works // in modular arithmetic, doubling the correct bits in each step. inverse *= 2 - denominator * inverse; // inverse mod 2^8 inverse *= 2 - denominator * inverse; // inverse mod 2^16 inverse *= 2 - denominator * inverse; // inverse mod 2^32 inverse *= 2 - denominator * inverse; // inverse mod 2^64 inverse *= 2 - denominator * inverse; // inverse mod 2^128 inverse *= 2 - denominator * inverse; // inverse mod 2^256 // Because the division is now exact we can divide by multiplying with the modular inverse of denominator. // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1 // is no longer required. result = prod0 * inverse; return result; } } /** * @notice Calculates x * y / denominator with full precision, following the selected rounding direction. */ function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) { uint256 result = mulDiv(x, y, denominator); if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) { result += 1; } return result; } /** * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down. * * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11). */ function sqrt(uint256 a) internal pure returns (uint256) { if (a == 0) { return 0; } // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target. // // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`. // // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)` // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))` // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)` // // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit. uint256 result = 1 << (log2(a) >> 1); // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128, // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision // into the expected uint128 result. unchecked { result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; return min(result, a / result); } } /** * @notice Calculates sqrt(a), following the selected rounding direction. */ function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = sqrt(a); return result + (rounding == Rounding.Up && result * result < a ? 1 : 0); } } /** * @dev Return the log in base 2, rounded down, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 128; } if (value >> 64 > 0) { value >>= 64; result += 64; } if (value >> 32 > 0) { value >>= 32; result += 32; } if (value >> 16 > 0) { value >>= 16; result += 16; } if (value >> 8 > 0) { value >>= 8; result += 8; } if (value >> 4 > 0) { value >>= 4; result += 4; } if (value >> 2 > 0) { value >>= 2; result += 2; } if (value >> 1 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 2, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log2(value); return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0); } } /** * @dev Return the log in base 10, rounded down, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >= 10 ** 64) { value /= 10 ** 64; result += 64; } if (value >= 10 ** 32) { value /= 10 ** 32; result += 32; } if (value >= 10 ** 16) { value /= 10 ** 16; result += 16; } if (value >= 10 ** 8) { value /= 10 ** 8; result += 8; } if (value >= 10 ** 4) { value /= 10 ** 4; result += 4; } if (value >= 10 ** 2) { value /= 10 ** 2; result += 2; } if (value >= 10 ** 1) { result += 1; } } return result; } /** * @dev Return the log in base 10, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log10(value); return result + (rounding == Rounding.Up && 10 ** result < value ? 1 : 0); } } /** * @dev Return the log in base 256, rounded down, of a positive value. * Returns 0 if given 0. * * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string. */ function log256(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 16; } if (value >> 64 > 0) { value >>= 64; result += 8; } if (value >> 32 > 0) { value >>= 32; result += 4; } if (value >> 16 > 0) { value >>= 16; result += 2; } if (value >> 8 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 256, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log256(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log256(value); return result + (rounding == Rounding.Up && 1 << (result << 3) < value ? 1 : 0); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (utils/math/SignedMath.sol) pragma solidity ^0.8.0; /** * @dev Standard signed math utilities missing in the Solidity language. */ library SignedMathUpgradeable { /** * @dev Returns the largest of two signed numbers. */ function max(int256 a, int256 b) internal pure returns (int256) { return a > b ? a : b; } /** * @dev Returns the smallest of two signed numbers. */ function min(int256 a, int256 b) internal pure returns (int256) { return a < b ? a : b; } /** * @dev Returns the average of two signed numbers without overflow. * The result is rounded towards zero. */ function average(int256 a, int256 b) internal pure returns (int256) { // Formula from the book "Hacker's Delight" int256 x = (a & b) + ((a ^ b) >> 1); return x + (int256(uint256(x) >> 255) & (a ^ b)); } /** * @dev Returns the absolute unsigned value of a signed value. */ function abs(int256 n) internal pure returns (uint256) { unchecked { // must be unchecked in order to support `n = type(int256).min` return uint256(n >= 0 ? n : -n); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (utils/StorageSlot.sol) // This file was procedurally generated from scripts/generate/templates/StorageSlot.js. pragma solidity ^0.8.0; /** * @dev Library for reading and writing primitive types to specific storage slots. * * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts. * This library helps with reading and writing to such slots without the need for inline assembly. * * The functions in this library return Slot structs that contain a `value` member that can be used to read or write. * * Example usage to set ERC1967 implementation slot: * ```solidity * contract ERC1967 { * bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc; * * function _getImplementation() internal view returns (address) { * return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value; * } * * function _setImplementation(address newImplementation) internal { * require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract"); * StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation; * } * } * ``` * * _Available since v4.1 for `address`, `bool`, `bytes32`, `uint256`._ * _Available since v4.9 for `string`, `bytes`._ */ library StorageSlotUpgradeable { struct AddressSlot { address value; } struct BooleanSlot { bool value; } struct Bytes32Slot { bytes32 value; } struct Uint256Slot { uint256 value; } struct StringSlot { string value; } struct BytesSlot { bytes value; } /** * @dev Returns an `AddressSlot` with member `value` located at `slot`. */ function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `BooleanSlot` with member `value` located at `slot`. */ function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `Bytes32Slot` with member `value` located at `slot`. */ function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `Uint256Slot` with member `value` located at `slot`. */ function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `StringSlot` with member `value` located at `slot`. */ function getStringSlot(bytes32 slot) internal pure returns (StringSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `StringSlot` representation of the string storage pointer `store`. */ function getStringSlot(string storage store) internal pure returns (StringSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := store.slot } } /** * @dev Returns an `BytesSlot` with member `value` located at `slot`. */ function getBytesSlot(bytes32 slot) internal pure returns (BytesSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `BytesSlot` representation of the bytes storage pointer `store`. */ function getBytesSlot(bytes storage store) internal pure returns (BytesSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := store.slot } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (utils/Strings.sol) pragma solidity ^0.8.0; import "./math/MathUpgradeable.sol"; import "./math/SignedMathUpgradeable.sol"; /** * @dev String operations. */ library StringsUpgradeable { bytes16 private constant _SYMBOLS = "0123456789abcdef"; uint8 private constant _ADDRESS_LENGTH = 20; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { unchecked { uint256 length = MathUpgradeable.log10(value) + 1; string memory buffer = new string(length); uint256 ptr; /// @solidity memory-safe-assembly assembly { ptr := add(buffer, add(32, length)) } while (true) { ptr--; /// @solidity memory-safe-assembly assembly { mstore8(ptr, byte(mod(value, 10), _SYMBOLS)) } value /= 10; if (value == 0) break; } return buffer; } } /** * @dev Converts a `int256` to its ASCII `string` decimal representation. */ function toString(int256 value) internal pure returns (string memory) { return string(abi.encodePacked(value < 0 ? "-" : "", toString(SignedMathUpgradeable.abs(value)))); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { unchecked { return toHexString(value, MathUpgradeable.log256(value) + 1); } } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } /** * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation. */ function toHexString(address addr) internal pure returns (string memory) { return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH); } /** * @dev Returns true if the two strings are equal. */ function equal(string memory a, string memory b) internal pure returns (bool) { return keccak256(bytes(a)) == keccak256(bytes(b)); } }
//SPDX-License-Identifier: CC-BY-NC-ND-4.0 pragma solidity ^0.8.18; /// @notice ITermAuctionBidLockerEvents is an interface that defines all events emitted by the Term Auction Bid Locker. interface ITermAuctionBidLockerEvents { event TermAuctionBidLockerInitialized( bytes32 termRepoId, bytes32 termAuctionId, address termAuctionBidLocker, uint256 auctionStartTime, uint256 revealTime, uint256 maxBidPrice, uint256 minimumTenderAmount, uint256 dayCountFractionMantissa ); event BidLocked( bytes32 termAuctionId, bytes32 id, address bidder, bytes32 bidPrice, uint256 amount, address token, address[] collateralTokens, uint256[] collateralAmounts, bool isRollover, address rolloverPairOffTermRepoServicer, address referralAddress ); event BidRevealed(bytes32 termAuctionId, bytes32 id, uint256 bidPrice); event BidUnlocked(bytes32 termAuctionId, bytes32 id); event BidInShortfall(bytes32 termAuctionId, bytes32 id); event BidLockingPaused(bytes32 termAuctionId, bytes32 termRepoId); event BidLockingUnpaused(bytes32 termAuctionId, bytes32 termRepoId); event BidUnlockingPaused(bytes32 termAuctionId, bytes32 termRepoId); event BidUnlockingUnpaused(bytes32 termAuctionId, bytes32 termRepoId); }
//SPDX-License-Identifier: CC-BY-NC-ND-4.0 pragma solidity ^0.8.18; /// @title ITermAuctionEvents defines all events emitted by the TermAuctionContract. interface ITermAuctionEvents { /// Event emitted when a new auction is initialized /// @param termRepoId The term ID /// @param termAuctionId The term auction Id /// @param termAuction auction contract address /// @param auctionEndTime The auction end time /// @param version The version tag of the smart contract deployed event TermAuctionInitialized( bytes32 termRepoId, bytes32 termAuctionId, address termAuction, uint256 auctionEndTime, string version ); /// Event emitted when a bid is assigned /// @param termAuctionId The auction ID /// @param id The bid ID /// @param amount The amount assigned event BidAssigned(bytes32 termAuctionId, bytes32 id, uint256 amount); /// Event emitted when an offer is assigned /// @param termAuctionId The term ID /// @param id The offer ID /// @param amount The amount assigned event OfferAssigned(bytes32 termAuctionId, bytes32 id, uint256 amount); /// Event emitted when an auction is completed /// @param termAuctionId The ID of the auction /// @param timestamp The timestamp of the auction completion /// @param block The block of the auction completion /// @param totalAssignedBids The total amount of bids assigned /// @param totalAssignedOffers The total amount of offers assigned /// @param clearingPrice The clearing price of the auction event AuctionCompleted( bytes32 termAuctionId, uint256 timestamp, uint256 block, uint256 totalAssignedBids, uint256 totalAssignedOffers, uint256 clearingPrice ); /// Event emitted when an auction is cancelled. /// @param termAuctionId The ID of the auction. /// @param nonViableAuction Auction not viable due to bid and offer prices not intersecting /// @param auctionCancelledforWithdrawal Auction has been cancelled for manual fund withdrawal event AuctionCancelled( bytes32 termAuctionId, bool nonViableAuction, bool auctionCancelledforWithdrawal ); /// Event emitted when an auction is paused. /// @param termAuctionId The ID of the auction. /// @param termRepoId The ID of the repo. event CompleteAuctionPaused(bytes32 termAuctionId, bytes32 termRepoId); /// Event emitted when an auction is unpaused. /// @param termAuctionId The ID of the auction. /// @param termRepoId The ID of the repo. event CompleteAuctionUnpaused(bytes32 termAuctionId, bytes32 termRepoId); }
//SPDX-License-Identifier: CC-BY-NC-ND-4.0 pragma solidity ^0.8.18; /// @notice ITermAuctionOfferLockerEvents is an interface that defines all events emitted by the Term Auction Offer Locker. interface ITermAuctionOfferLockerEvents { event TermAuctionOfferLockerInitialized( bytes32 termRepoId, bytes32 termAuctionId, address termAuctionOfferLocker, uint256 auctionStartTime, uint256 revealTime, uint256 maxOfferPrice, uint256 minimumTenderAmount ); event OfferLocked( bytes32 termAuctionId, bytes32 id, address offeror, bytes32 offerPrice, uint256 amount, address token, address referralAddress ); event OfferRevealed(bytes32 termAuctionId, bytes32 id, uint256 offerPrice); event OfferUnlocked(bytes32 termAuctionId, bytes32 id); event OfferLockingPaused(bytes32 termAuctionId, bytes32 termRepoId); event OfferLockingUnpaused(bytes32 termAuctionId, bytes32 termRepoId); event OfferUnlockingPaused(bytes32 termAuctionId, bytes32 termRepoId); event OfferUnlockingUnpaused(bytes32 termAuctionId, bytes32 termRepoId); }
//SPDX-License-Identifier: CC-BY-NC-ND-4.0 pragma solidity ^0.8.18; import {ITermAuctionEvents} from "./ITermAuctionEvents.sol"; import {ITermAuctionBidLockerEvents} from "./ITermAuctionBidLockerEvents.sol"; import {ITermAuctionOfferLockerEvents} from "./ITermAuctionOfferLockerEvents.sol"; import {ITermRepoCollateralManagerEvents} from "./ITermRepoCollateralManagerEvents.sol"; import {ITermRepoServicerEvents} from "./ITermRepoServicerEvents.sol"; import {ITermRepoRolloverManagerEvents} from "./ITermRepoRolloverManagerEvents.sol"; import {ITermRepoLockerEvents} from "./ITermRepoLockerEvents.sol"; import {ITermRepoTokenEvents} from "./ITermRepoTokenEvents.sol"; import {ITermEventEmitterEvents} from "./ITermEventEmitterEvents.sol"; import {TermAuctionBid} from "../lib/TermAuctionBid.sol"; interface ITermEventEmitter is ITermAuctionEvents, ITermAuctionBidLockerEvents, ITermAuctionOfferLockerEvents, ITermRepoCollateralManagerEvents, ITermRepoServicerEvents, ITermRepoRolloverManagerEvents, ITermRepoLockerEvents, ITermRepoTokenEvents, ITermEventEmitterEvents { //@param termContract New term contract to pair to event emitter. function pairTermContract(address termContract) external; // ======================================================================== // = TermAuction Events =================================================== // ======================================================================== /// @param termRepoId The id of the current Term Repo deployment being initialized /// @param termAuctionId The id of the auction being initialized /// @param termAuction The address of the auction contract being initialized /// @param auctionEndTime The end time of the auction being initialized /// @param version The version tag of the smart contract deployed function emitTermAuctionInitialized( bytes32 termRepoId, bytes32 termAuctionId, address termAuction, uint256 auctionEndTime, string calldata version ) external; /// @param termAuctionId A Term Auction id /// @param id A bid id /// @param amount The amount assigned to this bid function emitBidAssigned( bytes32 termAuctionId, bytes32 id, uint256 amount ) external; /// @param termAuctionId A Term Auction id /// @param id An offer id /// @param amount The amount assigned to this offer function emitOfferAssigned( bytes32 termAuctionId, bytes32 id, uint256 amount ) external; /// @param termAuctionId The Term Auction id of auction completed /// @param timestamp The timestamp of the current block /// @param blockNumber The number of the current block /// @param totalAssignedBids The number of assigned bids in the auction /// @param totalAssignedOffers The number of assigned offers in the auction /// @param clearingPrice The clearing price of the auction function emitAuctionCompleted( bytes32 termAuctionId, uint256 timestamp, uint256 blockNumber, uint256 totalAssignedBids, uint256 totalAssignedOffers, uint256 clearingPrice ) external; /// @param nonViableAuction Auction not viable due to bid and offer prices not intersecting /// @param auctionCancelledforWithdrawal Auction has been cancelled for withdrawal function emitAuctionCancelled( bytes32 termAuctionId, bool nonViableAuction, bool auctionCancelledforWithdrawal ) external; /// @param termAuctionId The id of the auction paused /// @param termRepoId The Term Repo id associated with auction paused function emitCompleteAuctionPaused( bytes32 termAuctionId, bytes32 termRepoId ) external; /// @param termAuctionId The id of the auction unpaused /// @param termRepoId The Term Repo id associated with auction unpaused function emitCompleteAuctionUnpaused( bytes32 termAuctionId, bytes32 termRepoId ) external; // ======================================================================== // = TermAuctionBidLocker Events ========================================== // ======================================================================== /// @param termRepoId The Term Repo id associated with BidLocker initialized /// @param termAuctionId The Term Auction id associated with BidLocker initialized /// @param termAuctionBidLocker The address of the TermAuctionBidLocker contract being intialized /// @param auctionStartTime The time at which auction bids will be accepted for submission /// @param revealTime The time at which sealed auction bids can be revealed /// @param maxBidPrice The maximum tender price (interest rate) in percentage /// @param minimumTenderAmount The minimum amount of borrowed purchase token that will be accepted /// @param dayCountFractionMantissa The day count fraction remainder function emitTermAuctionBidLockerInitialized( bytes32 termRepoId, bytes32 termAuctionId, address termAuctionBidLocker, uint256 auctionStartTime, uint256 revealTime, uint256 maxBidPrice, uint256 minimumTenderAmount, uint256 dayCountFractionMantissa ) external; /// @param termAuctionId A Term Auction id /// @param bid A struct containing details of the locked bid /// @param referralAddress The address of the referrer. Zero Address if none. function emitBidLocked( bytes32 termAuctionId, TermAuctionBid calldata bid, address referralAddress ) external; /// @param termAuctionId A Term Auction id /// @param id The bid id /// @param bidPrice The revealed price of the bid function emitBidRevealed( bytes32 termAuctionId, bytes32 id, uint256 bidPrice ) external; /// @param termAuctionId A Term Auction id /// @param id A bid id function emitBidUnlocked(bytes32 termAuctionId, bytes32 id) external; /// @param termAuctionId A Term Auction id /// @param id A bid id function emitBidInShortfall(bytes32 termAuctionId, bytes32 id) external; /// @param termAuctionId The id of Term Auction where bid locking is paused /// @param termRepoId The Term Repo id where bid locking is paused function emitBidLockingPaused( bytes32 termAuctionId, bytes32 termRepoId ) external; /// @param termAuctionId The id of Term Auction where bid locking is unpaused /// @param termRepoId The Term Repo id where bid locking is unpaused function emitBidLockingUnpaused( bytes32 termAuctionId, bytes32 termRepoId ) external; /// @param termAuctionId The id of Term Auction where bid unlocking is paused /// @param termRepoId The Term Repo id where bid unlocking is paused function emitBidUnlockingPaused( bytes32 termAuctionId, bytes32 termRepoId ) external; /// @param termAuctionId The id of Term Auction where bid unlocking is unpaused /// @param termRepoId The Term Repo id where bid unlocking is unpaused function emitBidUnlockingUnpaused( bytes32 termAuctionId, bytes32 termRepoId ) external; // ======================================================================== // = TermAuctionOfferLocker Events ======================================== // ======================================================================== /// @param termRepoId The Term Repo id associated with OfferLocker initialized /// @param termAuctionId The Term Auction id associated with OfferLocker initialized /// @param termAuctionOfferLocker The address of the TermAuctionOfferLocker contract being intialized /// @param auctionStartTime The time at which auction bids will be accepted for submission /// @param revealTime The time at which sealed auction bids can be revealed function emitTermAuctionOfferLockerInitialized( bytes32 termRepoId, bytes32 termAuctionId, address termAuctionOfferLocker, uint256 auctionStartTime, uint256 revealTime, uint256 maxOfferPrice, uint256 minimumTenderAmount ) external; /// @param termAuctionId A Term Auction id /// @param id An offer id /// @param offeror The address of the offeror /// @param offerPrice The offer price /// @param amount The amount of purchase tokens offered /// @param purchaseToken The address of the purchase token being offered /// @param referralAddress The address of the referrer. Zero Address if none. function emitOfferLocked( bytes32 termAuctionId, bytes32 id, address offeror, bytes32 offerPrice, uint256 amount, address purchaseToken, address referralAddress ) external; /// @param termAuctionId A Term Auction id /// @param id An offer id /// @param offerPrice The offer price revealed function emitOfferRevealed( bytes32 termAuctionId, bytes32 id, uint256 offerPrice ) external; /// @param termAuctionId A Term Auction id /// @param id An offer id function emitOfferUnlocked(bytes32 termAuctionId, bytes32 id) external; /// @param termAuctionId The id of Term Auction where offer locking is paused /// @param termRepoId The Term Repo id where offer locking is paused function emitOfferLockingPaused( bytes32 termAuctionId, bytes32 termRepoId ) external; /// @param termAuctionId The id of Term Auction where offer locking is unpaused /// @param termRepoId The Term Repo id where offer locking is unpaused function emitOfferLockingUnpaused( bytes32 termAuctionId, bytes32 termRepoId ) external; /// @param termAuctionId The id of Term Auction where offer unlocking is paused /// @param termRepoId The Term Repo id where offer unlocking is paused function emitOfferUnlockingPaused( bytes32 termAuctionId, bytes32 termRepoId ) external; /// @param termAuctionId The id of Term Auction where offer unlocking is unpaused /// @param termRepoId The Term Repo id where offer unlocking is unpaused function emitOfferUnlockingUnpaused( bytes32 termAuctionId, bytes32 termRepoId ) external; // ======================================================================== // = TermRepoCollateralManager Events ========================================= // ======================================================================== /// @param termRepoId The Term Repo id associated with collateral manger being initialized /// @param termRepoCollateralManager The address of the TermRepoCollateralManager contract being intialized /// @param collateralTokens An array containing a list of the addresses of all accepted collateral tokens /// @param initialCollateralRatios An array containing the initial collateral ratios for each collateral token /// @param maintenanceCollateralRatios An array containing the maintenance collateral ratios for each collateral token /// @param liquidatedDamagesSchedule An array containing the liquidated damages applicable to each collateral token function emitTermRepoCollateralManagerInitialized( bytes32 termRepoId, address termRepoCollateralManager, address[] calldata collateralTokens, uint256[] calldata initialCollateralRatios, uint256[] calldata maintenanceCollateralRatios, uint256[] calldata liquidatedDamagesSchedule ) external; /// @param termRepoId The Term Repo id for the Term Repo being reopened /// @param termRepoCollateralManager The TermRepoCollateralManager address for the Term Repo being reopened /// @param termAuctionBidLocker New TermAuctionBidLocker to be paired for reopening function emitPairReopeningBidLocker( bytes32 termRepoId, address termRepoCollateralManager, address termAuctionBidLocker ) external; /// @param termRepoId A Term Repo id /// @param borrower The address of the borrower /// @param collateralToken The address of the collateral token locked /// @param amount The amount of collateral being locked function emitCollateralLocked( bytes32 termRepoId, address borrower, address collateralToken, uint256 amount ) external; /// @param termRepoId A Term Repo id /// @param borrower The address of the borrower /// @param collateralToken The address of the collateral token locked /// @param amount The amount of collateral being unlocked function emitCollateralUnlocked( bytes32 termRepoId, address borrower, address collateralToken, uint256 amount ) external; /// @param termRepoId A Term Repo id /// @param borrower The address of the borrower /// @param liquidator The address of the liquidator /// @param closureAmount The amount of repurchase exposure covered /// @param collateralToken The address of the collateral tokens liquidated /// @param amountLiquidated The amount of collateral tokens liquidated function emitLiquidation( bytes32 termRepoId, address borrower, address liquidator, uint256 closureAmount, address collateralToken, uint256 amountLiquidated, uint256 protocolSeizureAmount, bool defaultLiquidation ) external; /// @param termRepoId The id of Term Repo where liquidations are paused function emitLiquidationPaused(bytes32 termRepoId) external; /// @param termRepoId The id of Term Repo where liquidation is unpaused function emitLiquidationUnpaused(bytes32 termRepoId) external; // ======================================================================== // = TermRepoServicer Events =============================================== // ======================================================================== /// @param termRepoId The Term Repo id associated with TermRepoServicer being initialized /// @param termRepoServicer The address of the TermRepoServicer contract being initialized /// @param purchaseToken The address of the purchase token /// @param maturityTimestamp The time at which repurchase is due /// @param endOfRepurchaseWindow The time at which the repurchase window ends /// @param redemptionTimestamp The time when redemption of Term Repo Tokens begins /// @param servicingFee percentage share of bid amounts charged to bidder /// @param version The version tag of the smart contract deployed function emitTermRepoServicerInitialized( bytes32 termRepoId, address termRepoServicer, address purchaseToken, uint256 maturityTimestamp, uint256 endOfRepurchaseWindow, uint256 redemptionTimestamp, uint256 servicingFee, string calldata version ) external; /// @param termRepoId The Term Repo id for the Term Repo being reopened /// @param termRepoServicer The address of the TermRepoServicer contract for the Term Repo being reopened /// @param termAuctionOfferLocker The TermAuctionOfferLocker to be paired for reopening /// @param termAuction The address of the TermAuction contract to be paired for reopening function emitReopeningOfferLockerPaired( bytes32 termRepoId, address termRepoServicer, address termAuctionOfferLocker, address termAuction ) external; /// @param termRepoId A Term Repo id /// @param offeror The address of the offeror /// @param amount The offer amount to be locked /// @notice This event is not to be confused with OfferLocked by TermOfferLocker /// @notice Both will be triggered, this one specifically refers to corresponding action taken by Term Servicer function emitOfferLockedByServicer( bytes32 termRepoId, address offeror, uint256 amount ) external; /// @param termRepoId A Term Repo id /// @param offeror The address of the offeror /// @param amount The offer amount to be unlocked /// @notice This event is not to be confused with OfferUnlocked by TermOfferLocker /// @notice Both will be triggered, this one specifically refers to corresponding action taken by Term Servicer function emitOfferUnlockedByServicer( bytes32 termRepoId, address offeror, uint256 amount ) external; /// @param offerId Unique id for offer /// @param offeror The address of the offeror /// @param purchasePrice The offer amount fulfilled /// @param repurchasePrice The repurchase price due to offeror at maturity /// @param repoTokensMinted The amount of Term Repo Tokens minted to offeror function emitOfferFulfilled( bytes32 offerId, address offeror, uint256 purchasePrice, uint256 repurchasePrice, uint256 repoTokensMinted ) external; /// @param termRepoId A Term Repo id /// @param redeemer The address of the redeemer /// @param redemptionAmount The amount of TermRepoTokens redeemed /// @param redemptionHaircut The haircut applied to redemptions (if any) due to unrecoverable repo exposure function emitTermRepoTokensRedeemed( bytes32 termRepoId, address redeemer, uint256 redemptionAmount, uint256 redemptionHaircut ) external; /// @param termRepoId A Term Repo id /// @param bidder The address of the bidder /// @param purchasePrice The bid amount fulfilled in auction /// @param repurchasePrice The repurchase price due at maturity /// @param servicingFees The fees earned by the protocol function emitBidFulfilled( bytes32 termRepoId, address bidder, uint256 purchasePrice, uint256 repurchasePrice, uint256 servicingFees ) external; /// @param termRepoId A Term Repo id /// @param borrower The address of the borrower /// @param purchasePrice The purchase price received from new TermRepo /// @param repurchasePrice The new repurchase price due at maturity of new TermRepo /// @param servicingFees The fees earned by the protocol function emitExposureOpenedOnRolloverNew( bytes32 termRepoId, address borrower, uint256 purchasePrice, uint256 repurchasePrice, uint256 servicingFees ) external; /// @param termRepoId A Term Repo id /// @param borrower The address of the borrower /// @param amountRolled The repurchase exposure balance closed on old Term Repo function emitExposureClosedOnRolloverExisting( bytes32 termRepoId, address borrower, uint256 amountRolled ) external; /// @param termRepoId A Term Repo id /// @param borrower The address of the borrower /// @param amount The amount submitted for repurchase function emitRepurchasePaymentSubmitted( bytes32 termRepoId, address borrower, uint256 amount ) external; /// @param termRepoId A Term Repo id /// @param authedUser User granted mint exposure access function emitMintExposureAccessGranted( bytes32 termRepoId, address authedUser ) external; /// @param termRepoId A Term Repo id /// @param minter The address of the minter /// @param netTokensReceived The amount of Term Repo Tokens received by minter net of servicing fees /// @param servicingFeeTokens The number of Term Repo Tokens retained by protocol in servicing fees /// @param repurchasePrice The repurchase exposure opened by minter against Term Repo Token mint function emitMintExposure( bytes32 termRepoId, address minter, uint256 netTokensReceived, uint256 servicingFeeTokens, uint256 repurchasePrice ) external; /// @param termRepoId A Term Repo id /// @param borrower The address of the borrower /// @param closeAmount The amount of repurchase exposure to close function emitBurnCollapseExposure( bytes32 termRepoId, address borrower, uint256 closeAmount ) external; // ======================================================================== // = TermRepoRolloverManager Events =========================================== // ======================================================================== /// @param termRepoId The Term Repo id associated with TermRepoRolloverManager being initialized /// @param rolloverManager The address of the TermRepoRolloverManager contract being initialized function emitTermRepoRolloverManagerInitialized( bytes32 termRepoId, address rolloverManager ) external; /// @param termRepoId The Term Repo id of existing Term Repo /// @param rolloverTermAuctionId The Term Auction Id that rollover bid will be submitted into function emitRolloverTermApproved( bytes32 termRepoId, bytes32 rolloverTermAuctionId ) external; /// @param termRepoId The Term Repo id of existing Term Repo /// @param rolloverTermAuctionId The Term Auction Id whose rollover approval is revoked function emitRolloverTermApprovalRevoked( bytes32 termRepoId, bytes32 rolloverTermAuctionId ) external; /// @param termRepoId The Term Repo id of existing Term Repo /// @param rolloverTermRepoId Term Repo Id of Rollover Term Repo /// @param borrower The address of the borrower /// @param rolloverAuction The address of the auction being rolled over to /// @param rolloverAmount The repurchase amount being rolled over /// @param hashedBidPrice The hash of the rollover bid price function emitRolloverElection( bytes32 termRepoId, bytes32 rolloverTermRepoId, address borrower, address rolloverAuction, uint256 rolloverAmount, bytes32 hashedBidPrice ) external; /// @param termRepoId The Term Repo id of existing Term Repo /// @param borrower The address of the borrower function emitRolloverCancellation( bytes32 termRepoId, address borrower ) external; /// @param termRepoId The Term Repo id of existing Term Repo /// @param borrower The address of the borrower function emitRolloverProcessed( bytes32 termRepoId, address borrower ) external; // ======================================================================== // = TermRepoLocker Events ====================================================== // ======================================================================== /// @param termRepoId The Term Repo id associated with TermRepoLocker contract being initialized /// @param termRepoLocker The address of the TermRepoLocker contract being initialized function emitTermRepoLockerInitialized( bytes32 termRepoId, address termRepoLocker ) external; /// @param termRepoId A Term Repo id function emitTermRepoLockerTransfersPaused(bytes32 termRepoId) external; /// @param termRepoId A Term Repo id function emitTermRepoLockerTransfersUnpaused(bytes32 termRepoId) external; // ======================================================================== // = TermRepoToken Events ===================================================== // ======================================================================== /// @param termRepoId The Term Repo id associated with the TermRepoToken being initalized /// @param termRepoToken The address of the TermRepoToken contract being initialized /// @param redemptionRatio The number of purchase tokens redeemable per unit of Term Repo Token at par function emitTermRepoTokenInitialized( bytes32 termRepoId, address termRepoToken, uint256 redemptionRatio ) external; /// @param termRepoId The Term Repo id associated with the TermRepoToken where minting is paused function emitTermRepoTokenMintingPaused(bytes32 termRepoId) external; /// @param termRepoId The Term Repo id associated with the TermRepoToken where minting is unpaused function emitTermRepoTokenMintingUnpaused(bytes32 termRepoId) external; /// @param termRepoId The Term Repo id associated with the TermRepoToken where burning is paused function emitTermRepoTokenBurningPaused(bytes32 termRepoId) external; /// @param termRepoId The Term Repo id associated with the TermRepoToken where burning is unpaused function emitTermRepoTokenBurningUnpaused(bytes32 termRepoId) external; // ======================================================================== // = TermEventEmitter Events ============================================== // ======================================================================== /// @param termRepoId The id of the Term Repo being delisted function emitDelistTermRepo(bytes32 termRepoId) external; /// @param termAuctionId The id of the Term Auction being delisted function emitDelistTermAuction(bytes32 termAuctionId) external; /// @param proxy address of proxy contract /// @param implementation address of new impl contract proxy has been upgraded to function emitTermContractUpgraded( address proxy, address implementation ) external; }
//SPDX-License-Identifier: CC-BY-NC-ND-4.0 pragma solidity ^0.8.18; interface ITermEventEmitterEvents { /// @notice Event emitted when a new Term Repo is delisted on Term Finance /// @param termRepoId unique identifier for a Term Repo event DelistTermRepo(bytes32 termRepoId); /// @notice Event emitted when a new Term Auction is delisted on Term Finance /// @param termAuctionId unique identifier for a Term Auction event DelistTermAuction(bytes32 termAuctionId); /// @notice Event emitted when a Term contract is upgraded to a new implementation /// @param proxy address of proxy contract /// @param implementation address of new impl contract proxy has been upgraded to event TermContractUpgraded(address proxy, address implementation); }
//SPDX-License-Identifier: CC-BY-NC-ND-4.0 pragma solidity ^0.8.18; /// @notice ITermRepoCollateralManagerEvents is an interface that defines all events emitted by Term Repo Collateral Manager. interface ITermRepoCollateralManagerEvents { /// @notice Event emitted when a Term Repo Collateral Manager is initialized. /// @param termRepoId term identifier /// @param collateralTokens addresses of accepted collateral tokens /// @param initialCollateralRatios list of initial collateral ratios for each collateral token in the same order as collateral tokens list /// @param maintenanceCollateralRatios list of maintenance ratios for each collateral token in the same order as collateral tokens list /// @param liquidatedDamagesSchedule liquidation discounts for collateral tokens event TermRepoCollateralManagerInitialized( bytes32 termRepoId, address termRepoCollateralManager, address[] collateralTokens, uint256[] initialCollateralRatios, uint256[] maintenanceCollateralRatios, uint256[] liquidatedDamagesSchedule ); /// @notice Event emitted when existing Term Repo Locker is reopened to another auction group /// @param termRepoId term identifier /// @param termRepoCollateralManager address of collateral manager /// @param termAuctionBidLocker address of auction bid locker paired through reopening event PairReopeningBidLocker( bytes32 termRepoId, address termRepoCollateralManager, address termAuctionBidLocker ); /// @notice Event emitted when collateral is locked. /// @param termRepoId term identifier /// @param borrower address of borrower who locked collateral /// @param collateralToken address of collateral token /// @param amount amount of collateral token locked event CollateralLocked( bytes32 termRepoId, address borrower, address collateralToken, uint256 amount ); /// @notice Event emitted when collateral is locked. /// @param termRepoId term identifier /// @param borrower address of borrower who locked collateral /// @param collateralToken address of collateral token /// @param amount amount of collateral token unlocked event CollateralUnlocked( bytes32 termRepoId, address borrower, address collateralToken, uint256 amount ); /// @notice Event emitted when a liquidation occurs /// @param termRepoId term identifier /// @param borrower address of borrower being liquidated /// @param liquidator address of liquidator /// @param closureAmount amount of loan repaid by liquidator /// @param collateralToken address of collateral token liquidated /// @param amountLiquidated amount of collateral liquidated /// @param protocolSeizureAmount amount of collateral liquidated and seized by protocol as fee /// @param defaultLiquidation boolean indicating if liquidation is a default or not event Liquidation( bytes32 termRepoId, address borrower, address liquidator, uint256 closureAmount, address collateralToken, uint256 amountLiquidated, uint256 protocolSeizureAmount, bool defaultLiquidation ); /// @notice Event emitted when a Liquidations are paused for a term /// @param termRepoId term identifier event LiquidationsPaused(bytes32 termRepoId); /// @notice Event emitted when a Liquidations are unpaused for a term /// @param termRepoId term identifier event LiquidationsUnpaused(bytes32 termRepoId); }
//SPDX-License-Identifier: CC-BY-NC-ND-4.0 pragma solidity ^0.8.18; /// @notice TermRepoLocker contracts lock collateral and purchase tokens /// @notice Methods should only be callable from paired TermManager. interface ITermRepoLocker { /// @notice Locks tokens from origin wallet /// @notice Reverts if caller doesn't have SERVICER_ROLE /// @param originWallet Origin wallet to transfer tokens from /// @param token Address of token being transferred /// @param amount Amount of tokens to transfer function transferTokenFromWallet( address originWallet, address token, uint256 amount ) external; /// @notice Unlocks tokens to destination wallet /// @dev Reverts if caller doesn't have SERVICER_ROLE /// @param destinationWallet Destination wallet to unlock tokens to /// @param token Address of token being unlocked /// @param amount Amount of tokens to unlock function transferTokenToWallet( address destinationWallet, address token, uint256 amount ) external; }
//SPDX-License-Identifier: CC-BY-NC-ND-4.0 pragma solidity ^0.8.18; /// @notice ITermRepoLockerErrors defines all errors emitted by TermRepoLocker. interface ITermRepoLockerErrors { error AlreadyTermContractPaired(); error ERC20TransferFailed(); error TermRepoLockerTransfersPaused(); }
//SPDX-License-Identifier: CC-BY-NC-ND-4.0 pragma solidity ^0.8.18; /// @notice ITermRepoLockerEvents is an interface that defines all events emitted by the TermRepoLocker. interface ITermRepoLockerEvents { /// @notice Event emitted when a TermRepoLocker is initialized. /// @param termRepoId term identifier /// @param termRepoLocker address of initialized term repo locker event TermRepoLockerInitialized(bytes32 termRepoId, address termRepoLocker); /// @notice Event emitted transfers for a TermRepoLocker are paused. /// @param termRepoId term identifier event TermRepoLockerTransfersPaused(bytes32 termRepoId); /// @notice Event emitted transfers for a TermRepoLocker are unpaused. /// @param termRepoId term identifier event TermRepoLockerTransfersUnpaused(bytes32 termRepoId); }
//SPDX-License-Identifier: Unlicense pragma solidity ^0.8.18; /// @notice ITermRepoCollateralManagerEvents is an interface that defines all events emitted by Term Repo Collateral Manager. interface ITermRepoRolloverManagerEvents { /// @notice Event emitted when a rollover manager is initialized /// @param termRepoId A Term Repo id /// @param rolloverManager Address of rollover manager event TermRepoRolloverManagerInitialized( bytes32 termRepoId, address rolloverManager ); /// @notice Event emitted when a rollover manager approves a future term as a destination for borrows /// @param termRepoId A Term Repo id /// @param rolloverTermAuctionId The Term Auction Id that rollover bid will be submitted into event RolloverTermApproved( bytes32 termRepoId, bytes32 rolloverTermAuctionId ); /// @notice Event emitted when a rollover manager revokes approval for a future term as a destination for borrows /// @param termRepoId A Term Repo id /// @param rolloverTermAuctionId The Term Auction Id that rollover bid will be submitted into event RolloverTermApprovalRevoked( bytes32 termRepoId, bytes32 rolloverTermAuctionId ); /// @notice Event emitted when a borrower elects a rollover contract /// @param termRepoId A Term Repo id /// @param rolloverTermRepoId Term Repo Id of Rollover Term Repo /// @param borrower The address of the borrower /// @param rolloverAuction The address of rollover term contract /// @param rolloverAmount Amount of purchase currency borrower is rolling over /// @param hashedBidPrice The hash of rollover bid price event RolloverElection( bytes32 termRepoId, bytes32 rolloverTermRepoId, address borrower, address rolloverAuction, uint256 rolloverAmount, bytes32 hashedBidPrice ); /// @notice Event emitted when a borrower cancels a rollover election /// @param termRepoId A Term Repo id /// @param borrower The address of the borrower event RolloverCancellation(bytes32 termRepoId, address borrower); /// @notice Event emitted when a rollover is processed completely /// @param termRepoId A Term Repo id /// @param borrower The address of borrower event RolloverProcessed(bytes32 termRepoId, address borrower); }
//SPDX-License-Identifier: CC-BY-NC-ND-4.0 pragma solidity ^0.8.18; /// @notice ITermRepoServicerEvents is an interface that defines all events emitted by the Term Repo Servicer. interface ITermRepoServicerEvents { /// @notice Event emitted when a Term Loan Manager is initialized. /// @param termRepoId A Term Repo id /// @param purchaseToken The address of purchase token used for loans and repay /// @param maturityTimestamp The timestamp at which term reaches maturity /// @param endOfRepurchaseWindow The timestamp at which Term Repo is closed to repurchase /// @param redemptionTimestamp The timestamp at which loaners can redeem term repo tokens /// @param servicingFee percentage share of bid amounts charged to bidder /// @param version The version tag of the smart contract deployed event TermRepoServicerInitialized( bytes32 termRepoId, address termRepoServicer, address purchaseToken, uint256 maturityTimestamp, uint256 endOfRepurchaseWindow, uint256 redemptionTimestamp, uint256 servicingFee, string version ); /// @notice Event emitted when a TermRepoLocker is reopened to another auction group /// @param termRepoId A Term Repo id /// @param termRepoServicer The address of loan manager /// @param termAuctionOfferLocker The address of auction offer locker paired through reopening /// @param termAuction The address of auction paired through reopening event ReopeningOfferLockerPaired( bytes32 termRepoId, address termRepoServicer, address termAuctionOfferLocker, address termAuction ); /// @notice Event emitted when a loan offer is locked. /// @param termRepoId A Term Repo id /// @param offeror The address who submitted offer /// @param amount The amount of purchase token locked for offer event OfferLockedByServicer( bytes32 termRepoId, address offeror, uint256 amount ); /// @notice Event emitted when a loan offer is unlocked. /// @param termRepoId A Term Repo id /// @param offeror The address who submitted offer /// @param amount The amount of purchase token unlocked for offer event OfferUnlockedByServicer( bytes32 termRepoId, address offeror, uint256 amount ); /// @notice Event emitted when a loan offer is fulfilled. /// @param offerId A unique offer id /// @param offeror The address whose offer is fulfilled /// @param purchasePrice The purchasePrice of loan offer fulfilled /// @param repurchasePrice The repurchasePrice of loan offer fulfilled /// @param repoTokensMinted The amount of Term Repo Tokens minted to offeror event OfferFulfilled( bytes32 offerId, address offeror, uint256 purchasePrice, uint256 repurchasePrice, uint256 repoTokensMinted ); /// @notice Event emitted when a term repo token is redeemed. /// @param termRepoId A Term Repo id /// @param redeemer The address who is redeeming term repo tokens /// @param redemptionAmount The amount of loan offer redeemed by term repo tokens /// @param redemptionHaircut The haircut applied to redemptions (if any) due to unrecoverable repo exposure event TermRepoTokensRedeemed( bytes32 termRepoId, address redeemer, uint256 redemptionAmount, uint256 redemptionHaircut ); /// @notice Event emitted when a loan is processed to a borrower /// @param termRepoId A Term Repo id /// @param bidder The address who is receiving the loan /// @param purchasePrice The purchasePrice transferred to borrower /// @param repurchasePrice The repurchasePrice owed by borrower at maturity /// @param servicingFees The protocol fees paid for loan event BidFulfilled( bytes32 termRepoId, address bidder, uint256 purchasePrice, uint256 repurchasePrice, uint256 servicingFees ); /// @notice Event emitted when mint exposure access is granted /// @param termRepoId A Term Repo id /// @param authedUser User granted mint exposure access event MintExposureAccessGranted(bytes32 termRepoId, address authedUser); /// @notice Event emitted when a rollover from a previous loan opens a position in this new term /// @param termRepoId A Term Repo id /// @param borrower The borrower who has loan position opened in new term /// @param purchasePrice The purchasePrice transferred to previous term /// @param repurchasePrice The repurchasePrice owed by borrower at maturity /// @param servicingFees The protocol fees paid for loan event ExposureOpenedOnRolloverNew( bytes32 termRepoId, address borrower, uint256 purchasePrice, uint256 repurchasePrice, uint256 servicingFees ); /// @notice Event emitted when a rollover from a previous loan opens a position in this new term /// @param termRepoId A Term Repo id /// @param borrower The borrower who has loan position opened in new term /// @param amountRolled The amount of borrower loan collapsed by rollover opening event ExposureClosedOnRolloverExisting( bytes32 termRepoId, address borrower, uint256 amountRolled ); /// @notice Event emitted when term repo tokens are minted for a loan /// @param termRepoId A Term Repo id /// @param minter The address who is opening the loan /// @param netTokensReceived The amount of Term Repo Tokens received by minter net of servicing fees /// @param servicingFeeTokens The number of Term Repo Tokens retained by protocol in servicing fees /// @param repurchasePrice The repurchase exposure opened by minter against Term Repo Token mint event TermRepoTokenMint( bytes32 termRepoId, address minter, uint256 netTokensReceived, uint256 servicingFeeTokens, uint256 repurchasePrice ); /// @notice Event emitted when a loan is collapsed by burning term repo tokens /// @param termRepoId A Term Repo id /// @param borrower The address who is repaying the loan /// @param amountToClose The amount repaid by borrower event BurnCollapseExposure( bytes32 termRepoId, address borrower, uint256 amountToClose ); /// @notice Event emitted when a loan is repaid by borrower /// @param termRepoId A Term Repo id /// @param borrower The address who is repaying the loan /// @param repurchaseAmount The amount repaid by borrower event RepurchasePaymentSubmitted( bytes32 termRepoId, address borrower, uint256 repurchaseAmount ); }
//SPDX-License-Identifier: CC-BY-NC-ND-4.0 pragma solidity ^0.8.18; /// @notice ITermRepoTokenEvents is an interface that defines all events emitted by the Term Repo Token interface ITermRepoTokenEvents { /// @notice Event emitted when a Term Repo Servicer is initialized. /// @param termRepoId term identifier /// @param termRepoToken address of initialized term repo token /// @param redemptionRatio The number of purchase tokens redeemable per unit of Term Repo Token at par event TermRepoTokenInitialized( bytes32 termRepoId, address termRepoToken, uint256 redemptionRatio ); /// @notice Event emitted when a Term Repo Token Minting is Paused /// @param termRepoId A Term Repo id event TermRepoTokenMintingPaused(bytes32 termRepoId); /// @notice Event emitted when a Term Repo Token Minting is Unpaused /// @param termRepoId A Term Repo id event TermRepoTokenMintingUnpaused(bytes32 termRepoId); /// @notice Event emitted when a Term Repo Token Burning is Paused /// @param termRepoId A Term Repo id event TermRepoTokenBurningPaused(bytes32 termRepoId); /// @notice Event emitted when a Term Repo Token Burning is Unpaused /// @param termRepoId A Term Repo id event TermRepoTokenBurningUnpaused(bytes32 termRepoId); }
//SPDX-License-Identifier: CC-BY-NC-ND-4.0 pragma solidity ^0.8.18; /// @dev TermAuctionBid represents a bid to borrow a specific amount of tokens at a specific interest rate (or better) struct TermAuctionBid { /// @dev Unique identifier for this bid bytes32 id; /// @dev The address of the bidder address bidder; /// @dev Hash of the offered price as a percentage of the initial loaned amount vs amount returned at maturity. This stores 9 decimal places bytes32 bidPriceHash; /// @dev Revealed bid price; this is only a valid value if isRevealed is true; this stores 18 decimal places uint256 bidPriceRevealed; /// @dev The maximum amount of purchase tokens that can be borrowed uint256 amount; /// @dev The amount of collateral tokens initially locked uint256[] collateralAmounts; /// @dev The address of the ERC20 purchase token address purchaseToken; /// @dev The addresses of the collateral ERC20 tokens in the bid address[] collateralTokens; /// @dev A boolean indicating if bid was submitted as rollover from previous term bool isRollover; /// @dev The address of term repo servicer whose bid is being rolled over address rolloverPairOffTermRepoServicer; /// @dev A boolean that is true if bid has been revealed bool isRevealed; }
//SPDX-License-Identifier: CC-BY-NC-ND-4.0 pragma solidity ^0.8.18; /// @author TermLabs /// @title Versionable contract /// @notice This contract adds a version string that can be queried to all contracts that inherit from it. /// @dev The version returned is replaced during the build process. contract Versionable { /// @dev This function returns the version of the contract. function version() external view returns (string memory) { return "0.6.0"; } }
{ "optimizer": { "enabled": true, "runs": 50 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} }
Contract Security Audit
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[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"AlreadyTermContractPaired","type":"error"},{"inputs":[],"name":"ERC20TransferFailed","type":"error"},{"inputs":[],"name":"TermRepoLockerTransfersPaused","type":"error"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"previousAdmin","type":"address"},{"indexed":false,"internalType":"address","name":"newAdmin","type":"address"}],"name":"AdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"beacon","type":"address"}],"name":"BeaconUpgraded","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint8","name":"version","type":"uint8"}],"name":"Initialized","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"previousAdminRole","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"newAdminRole","type":"bytes32"}],"name":"RoleAdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleGranted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleRevoked","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"inputs":[],"name":"ADMIN_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"DEFAULT_ADMIN_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"DEVOPS_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"INITIALIZER_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"SERVICER_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"}],"name":"getRoleAdmin","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"grantRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"hasRole","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"termRepoId_","type":"string"},{"internalType":"address","name":"termInitializer_","type":"address"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"termRepoCollateralManager_","type":"address"},{"internalType":"address","name":"termRepoServicer_","type":"address"},{"internalType":"contract ITermEventEmitter","name":"emitter_","type":"address"},{"internalType":"address","name":"devopsMultisig_","type":"address"},{"internalType":"address","name":"adminWallet_","type":"address"}],"name":"pairTermContracts","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"pauseTransfers","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"proxiableUUID","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"renounceRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"revokeRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"termRepoId","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"originWallet","type":"address"},{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferTokenFromWallet","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"destinationWallet","type":"address"},{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferTokenToWallet","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"transfersPaused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"unpauseTransfers","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"}],"name":"upgradeTo","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"version","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"}]
Contract Creation Code
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Multichain Portfolio | 27 Chains
Chain | Token | Portfolio % | Price | Amount | Value |
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.