27 lines
672 B
Solidity
27 lines
672 B
Solidity
// SPDX-License-Identifier: MIT
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// OpenZeppelin Contracts (last updated v4.9.0-rc.0) (interfaces/IERC1967.sol)
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pragma solidity ^0.8.0;
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/**
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* @dev ERC-1967: Proxy Storage Slots. This interface contains the events defined in the ERC.
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*
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* _Available since v4.8.3._
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*/
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interface IERC1967 {
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/**
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* @dev Emitted when the implementation is upgraded.
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*/
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event Upgraded(address indexed implementation);
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/**
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* @dev Emitted when the admin account has changed.
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*/
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event AdminChanged(address previousAdmin, address newAdmin);
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/**
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* @dev Emitted when the beacon is changed.
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*/
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event BeaconUpgraded(address indexed beacon);
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}
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