mirror of
https://github.com/Instadapp/aave-protocol-v2.git
synced 2024-07-29 21:47:30 +00:00
30 lines
1.2 KiB
Solidity
30 lines
1.2 KiB
Solidity
// SPDX-License-Identifier: agpl-3.0
|
|
pragma solidity 0.6.12;
|
|
|
|
import './BaseUpgradeabilityProxy.sol';
|
|
|
|
/**
|
|
* @title InitializableUpgradeabilityProxy
|
|
* @dev Extends BaseUpgradeabilityProxy with an initializer for initializing
|
|
* implementation and init data.
|
|
*/
|
|
contract InitializableUpgradeabilityProxy is BaseUpgradeabilityProxy {
|
|
/**
|
|
* @dev Contract initializer.
|
|
* @param _logic Address of the initial implementation.
|
|
* @param _data Data to send as msg.data to the implementation to initialize the proxied contract.
|
|
* It should include the signature and the parameters of the function to be called, as described in
|
|
* https://solidity.readthedocs.io/en/v0.4.24/abi-spec.html#function-selector-and-argument-encoding.
|
|
* This parameter is optional, if no data is given the initialization call to proxied contract will be skipped.
|
|
*/
|
|
function initialize(address _logic, bytes memory _data) public payable {
|
|
require(_implementation() == address(0));
|
|
assert(IMPLEMENTATION_SLOT == bytes32(uint256(keccak256('eip1967.proxy.implementation')) - 1));
|
|
_setImplementation(_logic);
|
|
if (_data.length > 0) {
|
|
(bool success, ) = _logic.delegatecall(_data);
|
|
require(success);
|
|
}
|
|
}
|
|
}
|