ERC-20
Overview
Max Total Supply
0.000000100735972687 fSLP
Holders
2
Market
Onchain Market Cap
$0.00
Circulating Supply Market Cap
-
Other Info
Token Contract (WITH 18 Decimals)
Balance
0.000000065766630386 fSLPValue
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Contract Name:
VaultProxy
Compiler Version
v0.5.16+commit.9c3226ce
Contract Source Code (Solidity)
/** *Submitted for verification at Etherscan.io on 2020-10-12 */ // File: contracts/hardworkInterface/IUpgradeSource.sol pragma solidity 0.5.16; interface IUpgradeSource { function shouldUpgrade() external view returns (bool, address); function finalizeUpgrade() external; } // File: @openzeppelin/upgrades/contracts/upgradeability/Proxy.sol pragma solidity ^0.5.0; /** * @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. */ contract Proxy { /** * @dev Fallback function. * Implemented entirely in `_fallback`. */ function () payable external { _fallback(); } /** * @return The Address of the implementation. */ function _implementation() internal view 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 { 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 { } /** * @dev fallback implementation. * Extracted to enable manual triggering. */ function _fallback() internal { _willFallback(); _delegate(_implementation()); } } // File: @openzeppelin/upgrades/contracts/utils/Address.sol pragma solidity ^0.5.0; /** * Utility library of inline functions on addresses * * Source https://raw.githubusercontent.com/OpenZeppelin/openzeppelin-solidity/v2.1.3/contracts/utils/Address.sol * This contract is copied here and renamed from the original to avoid clashes in the compiled artifacts * when the user imports a zos-lib contract (that transitively causes this contract to be compiled and added to the * build/artifacts folder) as well as the vanilla Address implementation from an openzeppelin version. */ library OpenZeppelinUpgradesAddress { /** * Returns whether the target address is a contract * @dev This function will return false if invoked during the constructor of a contract, * as the code is not actually created until after the constructor finishes. * @param account address of the account to check * @return whether the target address is a contract */ function isContract(address account) internal view returns (bool) { uint256 size; // XXX Currently there is no better way to check if there is a contract in an address // than to check the size of the code at that address. // See https://ethereum.stackexchange.com/a/14016/36603 // for more details about how this works. // TODO Check this again before the Serenity release, because all addresses will be // contracts then. // solhint-disable-next-line no-inline-assembly assembly { size := extcodesize(account) } return size > 0; } } // File: @openzeppelin/upgrades/contracts/upgradeability/BaseUpgradeabilityProxy.sol pragma solidity ^0.5.0; /** * @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 Address of the current implementation */ function _implementation() internal view returns (address impl) { bytes32 slot = IMPLEMENTATION_SLOT; 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(OpenZeppelinUpgradesAddress.isContract(newImplementation), "Cannot set a proxy implementation to a non-contract address"); bytes32 slot = IMPLEMENTATION_SLOT; assembly { sstore(slot, newImplementation) } } } // File: contracts/VaultProxy.sol pragma solidity 0.5.16; contract VaultProxy is BaseUpgradeabilityProxy { constructor(address _implementation) public { _setImplementation(_implementation); } /** * The main logic. If the timer has elapsed and there is a schedule upgrade, * the governance can upgrade the vault */ function upgrade() external { (bool should, address newImplementation) = IUpgradeSource(address(this)).shouldUpgrade(); require(should, "Upgrade not scheduled"); _upgradeTo(newImplementation); // the finalization needs to be executed on itself to update the storage of this proxy // it also needs to be invoked by the governance, not by address(this), so delegatecall is needed (bool success, bytes memory result) = address(this).delegatecall( abi.encodeWithSignature("finalizeUpgrade()") ); require(success, "Issue when finalizing the upgrade"); } function implementation() external view returns (address) { return _implementation(); } }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[{"internalType":"address","name":"_implementation","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"constant":true,"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"upgrade","outputs":[],"payable":false,"stateMutability":"nonpayable","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)
0000000000000000000000009b3be0cc5dd26fd0254088d03d8206792715588b
-----Decoded View---------------
Arg [0] : _implementation (address): 0x9B3bE0cc5dD26fd0254088d03D8206792715588B
-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000009b3be0cc5dd26fd0254088d03d8206792715588b
Deployed Bytecode Sourcemap
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Swarm Source
bzzr://75c16aec56ca76d12ca3a1ecd680c37df5f83b4bd1555b87bc6d18d4aaf4b780
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