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21 lines
879 B
Solidity
21 lines
879 B
Solidity
1 year ago
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// SPDX-License-Identifier: MIT
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// OpenZeppelin Contracts (last updated v4.5.0) (interfaces/draft-IERC1822.sol)
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pragma solidity ^0.8.0;
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/**
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* @dev ERC1822: Universal Upgradeable Proxy Standard (UUPS) documents a method for upgradeability through a simplified
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* proxy whose upgrades are fully controlled by the current implementation.
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*/
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interface IERC1822Proxiable {
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/**
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* @dev Returns the storage slot that the proxiable contract assumes is being used to store the implementation
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* address.
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*
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* IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks
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* bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this
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* function revert if invoked through a proxy.
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*/
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function proxiableUUID() external view returns (bytes32);
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}
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