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https://github.com/Instadapp/aave-protocol-v2.git
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30 lines
1.2 KiB
Solidity
30 lines
1.2 KiB
Solidity
// SPDX-License-Identifier: agpl-3.0
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pragma solidity ^0.6.12;
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import './BaseUpgradeabilityProxy.sol';
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/**
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* @title InitializableUpgradeabilityProxy
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* @dev Extends BaseUpgradeabilityProxy with an initializer for initializing
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* implementation and init data.
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*/
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contract InitializableUpgradeabilityProxy is BaseUpgradeabilityProxy {
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/**
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* @dev Contract initializer.
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* @param _logic Address of the initial implementation.
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* @param _data Data to send as msg.data to the implementation to initialize the proxied contract.
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* It should include the signature and the parameters of the function to be called, as described in
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* https://solidity.readthedocs.io/en/v0.4.24/abi-spec.html#function-selector-and-argument-encoding.
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* This parameter is optional, if no data is given the initialization call to proxied contract will be skipped.
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*/
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function initialize(address _logic, bytes memory _data) public payable {
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require(_implementation() == address(0));
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assert(IMPLEMENTATION_SLOT == bytes32(uint256(keccak256('eip1967.proxy.implementation')) - 1));
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_setImplementation(_logic);
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if (_data.length > 0) {
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(bool success, ) = _logic.delegatecall(_data);
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require(success);
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}
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}
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}
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