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ERC-20
Overview
Max Total Supply
1,271,365.506692723815458399 stARCx
Holders
166
Market
Onchain Market Cap
$0.00
Circulating Supply Market Cap
-
Other Info
Token Contract (WITH 18 Decimals)
Balance
735.33321501696649258 stARCxValue
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Contract Name:
ArcProxy
Compiler Version
v0.5.16+commit.9c3226ce
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity ^0.5.16; contract ArcProxy { /** * @dev Emitted when the implementation is upgraded. * @param implementation Address of the new implementation. */ event Upgraded(address indexed implementation); /** * @dev Emitted when the administration has been transferred. * @param previousAdmin Address of the previous admin. * @param newAdmin Address of the new admin. */ event AdminChanged(address previousAdmin, address newAdmin); /** * @dev Storage slot with the admin of the contract. * This is the keccak-256 hash of "eip1967.proxy.admin" subtracted by 1, and is * validated in the constructor. */ /* solium-disable-next-line */ bytes32 internal constant ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103; /** * @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. */ /* solium-disable-next-line */ bytes32 internal constant IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc; /** * @dev Modifier to check whether the `msg.sender` is the admin. * If it is, it will run the function. Otherwise, it will delegate the call * to the implementation. */ modifier ifAdmin() { if (msg.sender == _admin()) { _; } else { _fallback(); } } /** * Contract constructor. * @param _logic address of the initial implementation. * @param _admin Address of the proxy administrator. * @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. */ constructor( address _logic, address _admin, bytes memory _data ) public payable { assert( IMPLEMENTATION_SLOT == bytes32( uint256(keccak256("eip1967.proxy.implementation")) - 1 ) ); _setImplementation(_logic); if (_data.length > 0) { /* solium-disable-next-line */ (bool success,) = _logic.delegatecall(_data); /* solium-disable-next-line */ require(success); } assert( ADMIN_SLOT == bytes32( uint256(keccak256("eip1967.proxy.admin")) - 1 ) ); _setAdmin(_admin); } /** * @dev Fallback function. * Implemented entirely in `_fallback`. */ function () external payable { _fallback(); } /** * @dev fallback implementation. * Extracted to enable manual triggering. */ function _fallback() internal { _delegate(_implementation()); } /** * @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) } } } /** * 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. /* solium-disable-next-line */ assembly { size := extcodesize(account) } return size > 0; } /** * @dev Returns the current implementation. * @return Address of the current implementation */ function _implementation() internal view 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( isContract(newImplementation), "Cannot set a proxy implementation to a non-contract address" ); bytes32 slot = IMPLEMENTATION_SLOT; /* solium-disable-next-line */ assembly { sstore(slot, newImplementation) } } /** * @return The address of the proxy admin. */ function admin() external ifAdmin returns (address) { return _admin(); } /** * @return The address of the implementation. */ function implementation() external ifAdmin returns (address) { return _implementation(); } /** * @dev Changes the admin of the proxy. * Only the current admin can call this function. * @param newAdmin Address to transfer proxy administration to. */ function changeAdmin(address newAdmin) external ifAdmin { require( newAdmin != address(0), "Cannot change the admin of a proxy to the zero address" ); emit AdminChanged(_admin(), newAdmin); _setAdmin(newAdmin); } /** * @dev Upgrade the backing implementation of the proxy. * Only the admin can call this function. * @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. * @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); /* solium-disable-next-line */ (bool success,) = newImplementation.delegatecall(data); /* solium-disable-next-line */ require(success); } /** * @return The admin slot. */ function _admin() internal view returns (address adm) { bytes32 slot = ADMIN_SLOT; /* solium-disable-next-line */ assembly { adm := sload(slot) } } /** * @dev Sets the address of the proxy admin. * @param newAdmin Address of the new proxy admin. */ function _setAdmin(address newAdmin) internal { bytes32 slot = ADMIN_SLOT; /* solium-disable-next-line */ assembly { sstore(slot, newAdmin) } } }
{ "optimizer": { "enabled": true, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "abi" ] } }, "libraries": {} }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[{"internalType":"address","name":"_logic","type":"address"},{"internalType":"address","name":"_admin","type":"address"},{"internalType":"bytes","name":"_data","type":"bytes"}],"payable":true,"stateMutability":"payable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"previousAdmin","type":"address"},{"indexed":false,"internalType":"address","name":"newAdmin","type":"address"}],"name":"AdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"constant":false,"inputs":[],"name":"admin","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"newAdmin","type":"address"}],"name":"changeAdmin","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"newImplementation","type":"address"}],"name":"upgradeTo","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"newImplementation","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"payable":true,"stateMutability":"payable","type":"function"}]
Contract Creation Code
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Deployed Bytecode
0x60806040526004361061004a5760003560e01c80633659cfe6146100545780634f1ef286146100875780635c60da1b146101075780638f28397014610138578063f851a4401461016b575b610052610180565b005b34801561006057600080fd5b506100526004803603602081101561007757600080fd5b50356001600160a01b0316610192565b6100526004803603604081101561009d57600080fd5b6001600160a01b0382351691908101906040810160208201356401000000008111156100c857600080fd5b8201836020820111156100da57600080fd5b803590602001918460018302840111640100000000831117156100fc57600080fd5b5090925090506101cc565b34801561011357600080fd5b5061011c610279565b604080516001600160a01b039092168252519081900360200190f35b34801561014457600080fd5b506100526004803603602081101561015b57600080fd5b50356001600160a01b03166102b6565b34801561017757600080fd5b5061011c610370565b61019061018b61039b565b6103c0565b565b61019a6103e4565b6001600160a01b0316336001600160a01b031614156101c1576101bc81610409565b6101c9565b6101c9610180565b50565b6101d46103e4565b6001600160a01b0316336001600160a01b0316141561026c576101f683610409565b6000836001600160a01b031683836040518083838082843760405192019450600093509091505080830381855af49150503d8060008114610253576040519150601f19603f3d011682016040523d82523d6000602084013e610258565b606091505b505090508061026657600080fd5b50610274565b610274610180565b505050565b60006102836103e4565b6001600160a01b0316336001600160a01b031614156102ab576102a461039b565b90506102b3565b6102b3610180565b90565b6102be6103e4565b6001600160a01b0316336001600160a01b031614156101c1576001600160a01b03811661031c5760405162461bcd60e51b81526004018080602001828103825260368152602001806104dc6036913960400191505060405180910390fd5b7f7e644d79422f17c01e4894b5f4f588d331ebfa28653d42ae832dc59e38c9798f6103456103e4565b604080516001600160a01b03928316815291841660208301528051918290030190a16101bc81610449565b600061037a6103e4565b6001600160a01b0316336001600160a01b031614156102ab576102a46103e4565b7f360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc5490565b3660008037600080366000845af43d6000803e8080156103df573d6000f35b3d6000fd5b7fb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d61035490565b6104128161046d565b6040516001600160a01b038216907fbc7cd75a20ee27fd9adebab32041f755214dbc6bffa90cc0225b39da2e5c2d3b90600090a250565b7fb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d610355565b610476816104d5565b6104b15760405162461bcd60e51b815260040180806020018281038252603b815260200180610512603b913960400191505060405180910390fd5b7f360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc55565b3b15159056fe43616e6e6f74206368616e6765207468652061646d696e206f6620612070726f787920746f20746865207a65726f206164647265737343616e6e6f742073657420612070726f787920696d706c656d656e746174696f6e20746f2061206e6f6e2d636f6e74726163742061646472657373a265627a7a72315820adaa171b0dadd83f811d79d98a406b53316f23f1a2f295fa933b7d36108ebfcf64736f6c63430005100032
Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
0000000000000000000000004b67b3289fffca4f40c0687f44931c75c473c79e0000000000000000000000009c767178528c8a205df63305ebda4bb6b147889b00000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000
-----Decoded View---------------
Arg [0] : _logic (address): 0x4B67B3289fFfCA4f40C0687F44931c75C473c79E
Arg [1] : _admin (address): 0x9c767178528c8a205DF63305ebdA4BB6B147889b
Arg [2] : _data (bytes): 0x
-----Encoded View---------------
4 Constructor Arguments found :
Arg [0] : 0000000000000000000000004b67b3289fffca4f40c0687f44931c75c473c79e
Arg [1] : 0000000000000000000000009c767178528c8a205df63305ebda4bb6b147889b
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000060
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000000
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