File 1 of 1: SecondSelf.sol
pragma solidity ^0.8.9;
library StorageSlot {
struct AddressSlot {
address value;
}
struct BooleanSlot {
bool value;
}
struct Bytes32Slot {
bytes32 value;
}
struct Uint256Slot {
uint256 value;
}
function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {
assembly {
r.slot := slot
}
}
function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {
assembly {
r.slot := slot
}
}
function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {
assembly {
r.slot := slot
}
}
function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {
assembly {
r.slot := slot
}
}
}
library Address {
function isContract(address account) internal view returns (bool) {
uint256 size;
assembly {
size := extcodesize(account)
}
return size > 0;
}
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value
) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResult(success, returndata, errorMessage);
}
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
require(isContract(target), "Address: static call to non-contract");
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResult(success, returndata, errorMessage);
}
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
require(isContract(target), "Address: delegate call to non-contract");
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResult(success, returndata, errorMessage);
}
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
abstract contract Proxy {
function _delegate(address implementation) internal virtual {
assembly {
calldatacopy(0, 0, calldatasize())
let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0)
returndatacopy(0, 0, returndatasize())
switch result
case 0 {
revert(0, returndatasize())
}
default {
return(0, returndatasize())
}
}
}
function _implementation() internal view virtual returns (address);
function _fallback() internal virtual {
_beforeFallback();
_delegate(_implementation());
}
fallback() external payable virtual {
_fallback();
}
receive() external payable virtual {
_fallback();
}
function _beforeFallback() internal virtual {}
}
contract SecondSelf is Proxy {
event Upgraded(address indexed implementation);
constructor() {
assert(_IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1));
StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = 0x77F23779cFB1C30BE694F6664CE425D95c17049A;
emit Upgraded(0x77F23779cFB1C30BE694F6664CE425D95c17049A);
Address.functionDelegateCall(
0x77F23779cFB1C30BE694F6664CE425D95c17049A,
abi.encodeWithSignature(
"init(bool[2],address[3],uint256[6],string[3])",
[false,true],
[0x0000000000000000000000000000000000000000,0x0000000000000000000000000000000000000000,0x1BAAd9BFa20Eb279d2E3f3e859e3ae9ddE666c52],
[500,0,0,8888,100,300],
["Second Self","SELF","QmcWJFk8Ji83ZbcwxpPjizfEWbV7edibYT8bqpzV1uSYR9"]
)
);
}
bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
function implementation() public view returns (address) {
return _implementation();
}
function _implementation() internal override view returns (address) {
return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
}
function upgradeTo(
address newImplementation,
bytes memory data,
bool forceCall,
uint8 v,
bytes32 r,
bytes32 s
) external {
require(msg.sender == 0xca68BA6328Cc29D022B2b30A3B4f9d1Db4B55FfF);
bytes32 base = keccak256(abi.encode(address(this), newImplementation));
bytes32 hash = keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", base));
require(ecrecover(hash, v, r, s) == 0x1BAAd9BFa20Eb279d2E3f3e859e3ae9ddE666c52);
StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
if (data.length > 0 || forceCall) {
Address.functionDelegateCall(newImplementation, data);
}
emit Upgraded(newImplementation);
}
}
