ERC-20
Overview
Max Total Supply
0.001096130098874823 sauraWSTETH_WETH
Holders
3
Market
Onchain Market Cap
$0.00
Circulating Supply Market Cap
-
Other Info
Token Contract (WITH 18 Decimals)
Balance
0.000002797685228366 sauraWSTETH_WETHValue
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Contract Name:
InitializableImmutableAdminUpgradeabilityProxy
Compiler Version
v0.8.10+commit.fc410830
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: agpl-3.0 pragma solidity ^0.8.0; import './BaseImmutableAdminUpgradeabilityProxy.sol'; import '../../../dependencies/openzeppelin/upgradeability/InitializableUpgradeabilityProxy.sol'; /** * @title InitializableAdminUpgradeabilityProxy * @dev Extends BaseAdminUpgradeabilityProxy with an initializer function */ contract InitializableImmutableAdminUpgradeabilityProxy is BaseImmutableAdminUpgradeabilityProxy, InitializableUpgradeabilityProxy { constructor(address admin) BaseImmutableAdminUpgradeabilityProxy(admin) {} /** * @dev Only fall back when the sender is not the admin. */ function _willFallback() internal override(BaseImmutableAdminUpgradeabilityProxy, Proxy) { BaseImmutableAdminUpgradeabilityProxy._willFallback(); } }
// SPDX-License-Identifier: agpl-3.0 pragma solidity ^0.8.0; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, 'Address: insufficient balance'); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{value: amount}(''); require(success, 'Address: unable to send value, recipient may have reverted'); } }
// SPDX-License-Identifier: agpl-3.0 pragma solidity ^0.8.0; import './Proxy.sol'; import '../contracts/Address.sol'; /** * @title BaseUpgradeabilityProxy * @dev This contract implements a proxy that allows to change the * implementation address to which it will delegate. * Such a change is called an implementation upgrade. */ contract BaseUpgradeabilityProxy is Proxy { /** * @dev Emitted when the implementation is upgraded. * @param implementation Address of the new implementation. */ event Upgraded(address indexed implementation); /** * @dev Storage slot with the address of the current implementation. * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is * validated in the constructor. */ bytes32 internal constant IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc; /** * @dev Returns the current implementation. * @return impl Address of the current implementation */ function _implementation() internal view override returns (address impl) { bytes32 slot = IMPLEMENTATION_SLOT; //solium-disable-next-line assembly { impl := sload(slot) } } /** * @dev Upgrades the proxy to a new implementation. * @param newImplementation Address of the new implementation. */ function _upgradeTo(address newImplementation) internal { _setImplementation(newImplementation); emit Upgraded(newImplementation); } /** * @dev Sets the implementation address of the proxy. * @param newImplementation Address of the new implementation. */ function _setImplementation(address newImplementation) internal { require( Address.isContract(newImplementation), 'Cannot set a proxy implementation to a non-contract address' ); bytes32 slot = IMPLEMENTATION_SLOT; //solium-disable-next-line assembly { sstore(slot, newImplementation) } } }
// SPDX-License-Identifier: agpl-3.0 pragma solidity ^0.8.0; 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); } } }
// SPDX-License-Identifier: agpl-3.0 pragma solidity ^0.8.0; /** * @title Proxy * @dev Implements delegation of calls to other contracts, with proper * forwarding of return values and bubbling of failures. * It defines a fallback function that delegates all calls to the address * returned by the abstract _implementation() internal function. */ abstract contract Proxy { /** * @dev Fallback function. * Implemented entirely in `_fallback`. */ fallback() external payable { _fallback(); } /** * @return The Address of the implementation. */ function _implementation() internal view virtual returns (address); /** * @dev Delegates execution to an implementation contract. * This is a low level function that doesn't return to its internal call site. * It will return to the external caller whatever the implementation returns. * @param implementation Address to delegate. */ function _delegate(address implementation) internal { //solium-disable-next-line assembly { // Copy msg.data. We take full control of memory in this inline assembly // block because it will not return to Solidity code. We overwrite the // Solidity scratch pad at memory position 0. calldatacopy(0, 0, calldatasize()) // Call the implementation. // out and outsize are 0 because we don't know the size yet. let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0) // Copy the returned data. returndatacopy(0, 0, returndatasize()) switch result // delegatecall returns 0 on error. case 0 { revert(0, returndatasize()) } default { return(0, returndatasize()) } } } /** * @dev Function that is run as the first thing in the fallback function. * Can be redefined in derived contracts to add functionality. * Redefinitions must call super._willFallback(). */ function _willFallback() internal virtual {} /** * @dev fallback implementation. * Extracted to enable manual triggering. */ function _fallback() internal { _willFallback(); _delegate(_implementation()); } }
// SPDX-License-Identifier: agpl-3.0 pragma solidity ^0.8.0; import '../../../dependencies/openzeppelin/upgradeability/BaseUpgradeabilityProxy.sol'; /** * @title BaseImmutableAdminUpgradeabilityProxy * @author Sturdy, inspiration from Aave * @dev This contract combines an upgradeability proxy with an authorization * mechanism for administrative tasks. The admin role is stored in an immutable, which * helps saving transactions costs * All external functions in this contract must be guarded by the * `ifAdmin` modifier. See ethereum/solidity#3864 for a Solidity * feature proposal that would enable this to be done automatically. */ contract BaseImmutableAdminUpgradeabilityProxy is BaseUpgradeabilityProxy { address immutable ADMIN; constructor(address admin) { ADMIN = admin; } modifier ifAdmin() { if (msg.sender == ADMIN) { _; } else { _fallback(); } } /** * @dev Get the address of the proxy admin * - Caller is only admin which is LendingPoolAddressesProvider * @return The address of the proxy admin. */ function admin() external ifAdmin returns (address) { return ADMIN; } /** * @dev Get the address of the implementation * - Caller is only admin which is LendingPoolAddressesProvider * @return The address of the implementation. */ function implementation() external ifAdmin returns (address) { return _implementation(); } /** * @dev Upgrade the backing implementation of the proxy. * Only the admin can call this function. * - Caller is only admin which is LendingPoolAddressesProvider * @param newImplementation Address of the new implementation. */ function upgradeTo(address newImplementation) external ifAdmin { _upgradeTo(newImplementation); } /** * @dev Upgrade the backing implementation of the proxy and call a function * on the new implementation. * This is useful to initialize the proxied contract. * - Caller is only admin which is LendingPoolAddressesProvider * @param newImplementation Address of the new implementation. * @param data Data to send as msg.data in the low level call. * 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. */ function upgradeToAndCall(address newImplementation, bytes calldata data) external payable ifAdmin { _upgradeTo(newImplementation); (bool success, ) = newImplementation.delegatecall(data); require(success); } /** * @dev Only fall back when the sender is not the admin. */ function _willFallback() internal virtual override { require(msg.sender != ADMIN, 'Cannot call fallback function from the proxy admin'); super._willFallback(); } }
{ "optimizer": { "enabled": true, "runs": 200 }, "evmVersion": "istanbul", "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[{"internalType":"address","name":"admin","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"admin","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_logic","type":"address"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"initialize","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"}],"name":"upgradeTo","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"stateMutability":"payable","type":"function"}]
Contract Creation Code
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Deployed Bytecode
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
Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
000000000000000000000000a059fa48d6444db1a87478eeed0bcbc7802429af
-----Decoded View---------------
Arg [0] : admin (address): 0xa059Fa48d6444db1A87478eeEd0bcBC7802429aF
-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000a059fa48d6444db1a87478eeed0bcbc7802429af
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