Remove code in preparation for v5.0 (#4258)
Co-authored-by: Ernesto García <ernestognw@gmail.com> Co-authored-by: Francisco <fg@frang.io>
This commit is contained in:
Hadrien Croubois
GitHub
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// SPDX-License-Identifier: MIT
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// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC1820Implementer.sol)
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pragma solidity ^0.8.0;
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import "./IERC1820Implementer.sol";
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/**
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* @dev Implementation of the {IERC1820Implementer} interface.
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*
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* Contracts may inherit from this and call {_registerInterfaceForAddress} to
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* declare their willingness to be implementers.
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* {IERC1820Registry-setInterfaceImplementer} should then be called for the
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* registration to be complete.
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*
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* CAUTION: This file is deprecated as of v4.9 and will be removed in the next major release.
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*/
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contract ERC1820Implementer is IERC1820Implementer {
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bytes32 private constant _ERC1820_ACCEPT_MAGIC = keccak256("ERC1820_ACCEPT_MAGIC");
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mapping(bytes32 => mapping(address => bool)) private _supportedInterfaces;
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/**
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* @dev See {IERC1820Implementer-canImplementInterfaceForAddress}.
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*/
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function canImplementInterfaceForAddress(
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bytes32 interfaceHash,
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address account
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) public view virtual override returns (bytes32) {
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return _supportedInterfaces[interfaceHash][account] ? _ERC1820_ACCEPT_MAGIC : bytes32(0x00);
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}
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/**
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* @dev Declares the contract as willing to be an implementer of
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* `interfaceHash` for `account`.
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*
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* See {IERC1820Registry-setInterfaceImplementer} and
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* {IERC1820Registry-interfaceHash}.
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*/
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function _registerInterfaceForAddress(bytes32 interfaceHash, address account) internal virtual {
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_supportedInterfaces[interfaceHash][account] = true;
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}
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}
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@ -1,20 +0,0 @@
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// SPDX-License-Identifier: MIT
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// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC1820Implementer.sol)
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pragma solidity ^0.8.0;
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/**
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* @dev Interface for an ERC1820 implementer, as defined in the
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* https://eips.ethereum.org/EIPS/eip-1820#interface-implementation-erc1820implementerinterface[EIP].
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* Used by contracts that will be registered as implementers in the
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* {IERC1820Registry}.
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*/
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interface IERC1820Implementer {
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/**
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* @dev Returns a special value (`ERC1820_ACCEPT_MAGIC`) if this contract
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* implements `interfaceHash` for `account`.
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*
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* See {IERC1820Registry-setInterfaceImplementer}.
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*/
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function canImplementInterfaceForAddress(bytes32 interfaceHash, address account) external view returns (bytes32);
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}
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@ -1,112 +0,0 @@
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// SPDX-License-Identifier: MIT
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// OpenZeppelin Contracts (last updated v4.8.0) (utils/introspection/IERC1820Registry.sol)
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pragma solidity ^0.8.0;
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/**
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* @dev Interface of the global ERC1820 Registry, as defined in the
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* https://eips.ethereum.org/EIPS/eip-1820[EIP]. Accounts may register
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* implementers for interfaces in this registry, as well as query support.
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*
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* Implementers may be shared by multiple accounts, and can also implement more
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* than a single interface for each account. Contracts can implement interfaces
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* for themselves, but externally-owned accounts (EOA) must delegate this to a
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* contract.
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*
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* {IERC165} interfaces can also be queried via the registry.
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*
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* For an in-depth explanation and source code analysis, see the EIP text.
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*/
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interface IERC1820Registry {
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event InterfaceImplementerSet(address indexed account, bytes32 indexed interfaceHash, address indexed implementer);
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event ManagerChanged(address indexed account, address indexed newManager);
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/**
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* @dev Sets `newManager` as the manager for `account`. A manager of an
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* account is able to set interface implementers for it.
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*
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* By default, each account is its own manager. Passing a value of `0x0` in
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* `newManager` will reset the manager to this initial state.
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*
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* Emits a {ManagerChanged} event.
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*
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* Requirements:
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*
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* - the caller must be the current manager for `account`.
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*/
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function setManager(address account, address newManager) external;
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/**
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* @dev Returns the manager for `account`.
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*
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* See {setManager}.
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*/
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function getManager(address account) external view returns (address);
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/**
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* @dev Sets the `implementer` contract as ``account``'s implementer for
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* `interfaceHash`.
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*
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* `account` being the zero address is an alias for the caller's address.
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* The zero address can also be used in `implementer` to remove an old one.
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*
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* See {interfaceHash} to learn how these are created.
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*
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* Emits an {InterfaceImplementerSet} event.
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*
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* Requirements:
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*
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* - the caller must be the current manager for `account`.
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* - `interfaceHash` must not be an {IERC165} interface id (i.e. it must not
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* end in 28 zeroes).
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* - `implementer` must implement {IERC1820Implementer} and return true when
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* queried for support, unless `implementer` is the caller. See
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* {IERC1820Implementer-canImplementInterfaceForAddress}.
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*/
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function setInterfaceImplementer(address account, bytes32 _interfaceHash, address implementer) external;
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/**
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* @dev Returns the implementer of `interfaceHash` for `account`. If no such
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* implementer is registered, returns the zero address.
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*
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* If `interfaceHash` is an {IERC165} interface id (i.e. it ends with 28
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* zeroes), `account` will be queried for support of it.
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*
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* `account` being the zero address is an alias for the caller's address.
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*/
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function getInterfaceImplementer(address account, bytes32 _interfaceHash) external view returns (address);
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/**
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* @dev Returns the interface hash for an `interfaceName`, as defined in the
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* corresponding
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* https://eips.ethereum.org/EIPS/eip-1820#interface-name[section of the EIP].
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*/
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function interfaceHash(string calldata interfaceName) external pure returns (bytes32);
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/**
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* @notice Updates the cache with whether the contract implements an ERC165 interface or not.
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* @param account Address of the contract for which to update the cache.
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* @param interfaceId ERC165 interface for which to update the cache.
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*/
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function updateERC165Cache(address account, bytes4 interfaceId) external;
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/**
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* @notice Checks whether a contract implements an ERC165 interface or not.
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* If the result is not cached a direct lookup on the contract address is performed.
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* If the result is not cached or the cached value is out-of-date, the cache MUST be updated manually by calling
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* {updateERC165Cache} with the contract address.
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* @param account Address of the contract to check.
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* @param interfaceId ERC165 interface to check.
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* @return True if `account` implements `interfaceId`, false otherwise.
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*/
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function implementsERC165Interface(address account, bytes4 interfaceId) external view returns (bool);
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/**
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* @notice Checks whether a contract implements an ERC165 interface or not without using or updating the cache.
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* @param account Address of the contract to check.
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* @param interfaceId ERC165 interface to check.
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* @return True if `account` implements `interfaceId`, false otherwise.
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*/
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function implementsERC165InterfaceNoCache(address account, bytes4 interfaceId) external view returns (bool);
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}
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