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Warning! Contract bytecode has been changed and doesn't match the verified one. Therefore, interaction with this smart contract may be risky.
This contract has been verified via Sourcify.
View contract in Sourcify repository
- Contract name:
- EIP173Proxy
- Optimization enabled
- true
- Compiler version
- v0.8.4+commit.c7e474f2
- Optimization runs
- 1
- EVM Version
- istanbul
- Verified at
- 2026-04-04T14:51:03.507878Z
contracts/vendor/proxy/EIP173Proxy.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity 0.8.4;
import "./Proxy.sol";
interface ERC165 {
function supportsInterface(bytes4 id) external view returns (bool);
}
///@notice Proxy implementing EIP173 for ownership management
contract EIP173Proxy is Proxy {
// ////////////////////////// EVENTS ///////////////////////////////////////////////////////////////////////
event ProxyAdminTransferred(
address indexed previousAdmin,
address indexed newAdmin
);
// /////////////////////// CONSTRUCTOR //////////////////////////////////////////////////////////////////////
constructor(
address implementationAddress,
address adminAddress,
bytes memory data
) payable {
_setImplementation(implementationAddress, data);
_setProxyAdmin(adminAddress);
}
// ///////////////////// EXTERNAL ///////////////////////////////////////////////////////////////////////////
function proxyAdmin() external view returns (address) {
return _proxyAdmin();
}
function supportsInterface(bytes4 id) external view returns (bool) {
if (id == 0x01ffc9a7 || id == 0x7f5828d0) {
return true;
}
if (id == 0xFFFFFFFF) {
return false;
}
ERC165 implementation;
// solhint-disable-next-line security/no-inline-assembly
assembly {
implementation := sload(
0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc
)
}
// Technically this is not standard compliant as ERC-165 require 30,000 gas which that call cannot ensure
// because it is itself inside `supportsInterface` that might only get 30,000 gas.
// In practise this is unlikely to be an issue.
try implementation.supportsInterface(id) returns (bool support) {
return support;
} catch {
return false;
}
}
function transferProxyAdmin(address newAdmin) external onlyProxyAdmin {
_setProxyAdmin(newAdmin);
}
function upgradeTo(address newImplementation) external onlyProxyAdmin {
_setImplementation(newImplementation, "");
}
function upgradeToAndCall(address newImplementation, bytes calldata data)
external
payable
onlyProxyAdmin
{
_setImplementation(newImplementation, data);
}
// /////////////////////// MODIFIERS ////////////////////////////////////////////////////////////////////////
modifier onlyProxyAdmin() {
require(msg.sender == _proxyAdmin(), "NOT_AUTHORIZED");
_;
}
// ///////////////////////// INTERNAL //////////////////////////////////////////////////////////////////////
function _proxyAdmin() internal view returns (address adminAddress) {
// solhint-disable-next-line security/no-inline-assembly
assembly {
adminAddress := sload(
0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103
)
}
}
function _setProxyAdmin(address newAdmin) internal {
address previousAdmin = _proxyAdmin();
// solhint-disable-next-line security/no-inline-assembly
assembly {
sstore(
0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103,
newAdmin
)
}
emit ProxyAdminTransferred(previousAdmin, newAdmin);
}
}
/Proxy.sol
// SPDX-License-Identifier: GPL-3.0
pragma solidity 0.8.4;
// EIP-1967
abstract contract Proxy {
// /////////////////////// EVENTS ///////////////////////////////////////////////////////////////////////////
event ProxyImplementationUpdated(
address indexed previousImplementation,
address indexed newImplementation
);
// ///////////////////// EXTERNAL ///////////////////////////////////////////////////////////////////////////
// prettier-ignore
receive() external payable virtual {
revert("ETHER_REJECTED"); // explicit reject by default
}
fallback() external payable {
_fallback();
}
// ///////////////////////// INTERNAL //////////////////////////////////////////////////////////////////////
function _fallback() internal {
// solhint-disable-next-line security/no-inline-assembly
assembly {
let implementationAddress := sload(
0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc
)
calldatacopy(0x0, 0x0, calldatasize())
let success := delegatecall(
gas(),
implementationAddress,
0x0,
calldatasize(),
0,
0
)
let retSz := returndatasize()
returndatacopy(0, 0, retSz)
switch success
case 0 {
revert(0, retSz)
}
default {
return(0, retSz)
}
}
}
function _setImplementation(address newImplementation, bytes memory data)
internal
{
address previousImplementation;
// solhint-disable-next-line security/no-inline-assembly
assembly {
previousImplementation := sload(
0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc
)
}
// solhint-disable-next-line security/no-inline-assembly
assembly {
sstore(
0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc,
newImplementation
)
}
emit ProxyImplementationUpdated(
previousImplementation,
newImplementation
);
if (data.length > 0) {
(bool success, ) = newImplementation.delegatecall(data);
if (!success) {
assembly {
// This assembly ensure the revert contains the exact string data
let returnDataSize := returndatasize()
returndatacopy(0, 0, returnDataSize)
revert(0, returnDataSize)
}
}
}
}
}
Compiler Settings
{"remappings":[],"optimizer":{"runs":1,"enabled":true},"metadata":{"useLiteralContent":true,"bytecodeHash":"ipfs"},"libraries":{},"evmVersion":"istanbul","compilationTarget":{"contracts/vendor/proxy/EIP173Proxy.sol":"EIP173Proxy"}}
Contract ABI
[{"type":"constructor","stateMutability":"payable","inputs":[{"type":"address","name":"implementationAddress","internalType":"address"},{"type":"address","name":"adminAddress","internalType":"address"},{"type":"bytes","name":"data","internalType":"bytes"}]},{"type":"event","name":"ProxyAdminTransferred","inputs":[{"type":"address","name":"previousAdmin","internalType":"address","indexed":true},{"type":"address","name":"newAdmin","internalType":"address","indexed":true}],"anonymous":false},{"type":"event","name":"ProxyImplementationUpdated","inputs":[{"type":"address","name":"previousImplementation","internalType":"address","indexed":true},{"type":"address","name":"newImplementation","internalType":"address","indexed":true}],"anonymous":false},{"type":"fallback","stateMutability":"payable"},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"address"}],"name":"proxyAdmin","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"supportsInterface","inputs":[{"type":"bytes4","name":"id","internalType":"bytes4"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"transferProxyAdmin","inputs":[{"type":"address","name":"newAdmin","internalType":"address"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"upgradeTo","inputs":[{"type":"address","name":"newImplementation","internalType":"address"}]},{"type":"function","stateMutability":"payable","outputs":[],"name":"upgradeToAndCall","inputs":[{"type":"address","name":"newImplementation","internalType":"address"},{"type":"bytes","name":"data","internalType":"bytes"}]},{"type":"receive","stateMutability":"payable"}]
Contract Creation Code
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Deployed ByteCode
0x60806040526004361061004e5760003560e01c806301ffc9a71461009b5780633659cfe6146100d05780633e47158c146100f05780634f1ef2861461011d5780638356ca4f1461013057610091565b366100915760405162461bcd60e51b815260206004820152600e60248201526d115512115497d491529150d5115160921b60448201526064015b60405180910390fd5b610099610150565b005b3480156100a757600080fd5b506100bb6100b63660046105a9565b610189565b60405190151581526020015b60405180910390f35b3480156100dc57600080fd5b506100996100eb3660046104f2565b61027e565b3480156100fc57600080fd5b506101056102d2565b6040516001600160a01b0390911681526020016100c7565b61009961012b36600461050c565b6102e1565b34801561013c57600080fd5b5061009961014b3660046104f2565b61035e565b6000805160206106538339815191525460003681823780813683855af491503d8082833e82801561017f578183f35b8183fd5b50505050565b60006301ffc9a760e01b6001600160e01b0319831614806101ba57506307f5828d60e41b6001600160e01b03198316145b156101c757506001919050565b6001600160e01b031980831614156101e157506000919050565b600080516020610653833981519152546040516301ffc9a760e01b81526001600160e01b0319841660048201526001600160a01b038216906301ffc9a79060240160206040518083038186803b15801561023a57600080fd5b505afa92505050801561026a575060408051601f3d908101601f1916820190925261026791810190610589565b60015b6102775750600092915050565b9392505050565b61028661039f565b6001600160a01b0316336001600160a01b0316146102b65760405162461bcd60e51b81526004016100889061060a565b6102cf81604051806020016040528060008152506103b2565b50565b60006102dc61039f565b905090565b6102e961039f565b6001600160a01b0316336001600160a01b0316146103195760405162461bcd60e51b81526004016100889061060a565b6103598383838080601f0160208091040260200160405190810160405280939291908181526020018383808284376000920191909152506103b292505050565b505050565b61036661039f565b6001600160a01b0316336001600160a01b0316146103965760405162461bcd60e51b81526004016100889061060a565b6102cf81610475565b6000805160206106338339815191525490565b6000805160206106538339815191528054908390556040516001600160a01b0380851691908316907f5570d70a002632a7b0b3c9304cc89efb62d8da9eca0dbd7752c83b737906829690600090a3815115610359576000836001600160a01b03168360405161042191906105d1565b600060405180830381855af49150503d806000811461045c576040519150601f19603f3d011682016040523d82523d6000602084013e610461565b606091505b5050905080610183573d806000803e806000fd5b600061047f61039f565b90508160008051602061063383398151915255816001600160a01b0316816001600160a01b03167fdf435d422321da6b195902d70fc417c06a32f88379c20dd8f2a8da07088cec2960405160405180910390a35050565b80356001600160a01b03811681146104ed57600080fd5b919050565b600060208284031215610503578081fd5b610277826104d6565b600080600060408486031215610520578182fd5b610529846104d6565b925060208401356001600160401b0380821115610544578384fd5b818601915086601f830112610557578384fd5b813581811115610565578485fd5b876020828501011115610576578485fd5b6020830194508093505050509250925092565b60006020828403121561059a578081fd5b81518015158114610277578182fd5b6000602082840312156105ba578081fd5b81356001600160e01b031981168114610277578182fd5b60008251815b818110156105f157602081860181015185830152016105d7565b818111156105ff5782828501525b509190910192915050565b6020808252600e908201526d1393d517d055551213d49256915160921b60408201526060019056feb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbca2646970667358221220730effc08e7ae1c19f69ae08dd52de483b649ded49db9428e4ced9875431474364736f6c63430008040033