InitializedProxy
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Ethereum
Contract Information
This contract is a proxy and the implementation details are not yet known.
More Info
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/**
* @title InitializedProxy
* @author Anna Carroll
*/
contract InitializedProxy {
// address of logic contract
address public immutable logic;
// ======== Constructor =========
constructor(
address _logic,
bytes memory _initializationCalldata
) {
logic = _logic;
// Delegatecall into the logic contract, supplying initialization calldata
(bool _ok, bytes memory returnData) =
_logic.delegatecall(_initializationCalldata);
// Revert if delegatecall to implementation reverts
require(_ok, string(returnData));
}
// ======== Fallback =========
fallback() external payable {
address _impl = logic;
assembly {
let ptr := mload(0x40)
calldatacopy(ptr, 0, calldatasize())
let result := delegatecall(gas(), _impl, ptr, calldatasize(), 0, 0)
let size := returndatasize()
returndatacopy(ptr, 0, size)
switch result
case 0 {
revert(ptr, size)
}
default {
return(ptr, size)
}
}
}
// ======== Receive =========
receive() external payable {} // solhint-disable-line no-empty-blocks
}
[{"inputs":[{"internalType":"address","name":"_logic","type":"address"},{"internalType":"bytes","name":"_initializationCalldata","type":"bytes"}],"stateMutability":"nonpayable","type":"constructor"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"logic","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]
[{"inputs":[{"internalType":"address","name":"_logic","type":"address"},{"internalType":"bytes","name":"_initializationCalldata","type":"bytes"}],"stateMutability":"nonpayable","type":"constructor"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"logic","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]
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