ERC-20
Stablecoin
Overview
Max Total Supply
20,068.2337690222072422 BOB
Holders
175 (0.00%)
Market
Price
$1.00 @ 0.000422 ETH (-0.04%)
Onchain Market Cap
$20,060.80
Circulating Supply Market Cap
$0.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
1.480348501492314062 BOBValue
$1.48 ( ~0.000625317308185897 Eth) [0.0074%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Contract Name:
EIP1967Proxy
Compiler Version
v0.8.15+commit.e14f2714
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: CC0-1.0 pragma solidity 0.8.15; import "./EIP1967Admin.sol"; /** * @title EIP1967Proxy * @dev Upgradeable proxy pattern implementation according to minimalistic EIP1967. */ contract EIP1967Proxy is EIP1967Admin { // EIP 1967 // bytes32(uint256(keccak256('eip1967.proxy.implementation')) - 1) uint256 internal constant EIP1967_IMPLEMENTATION_STORAGE = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc; event Upgraded(address indexed implementation); event AdminChanged(address previousAdmin, address newAdmin); constructor(address _admin, address _implementation, bytes memory _data) payable { _setAdmin(_admin); _setImplementation(_implementation); if (_data.length > 0) { bool status; assembly { status := callcode(gas(), _implementation, callvalue(), add(_data, 32), mload(_data), 0, 0) } require(status, "EIP1967Proxy: initialize call failed"); } } /** * @dev Tells the proxy admin account address. * @return proxy admin address. */ function admin() public view returns (address) { return _admin(); } /** * @dev Tells the proxy implementation contract address. * @return res implementation address. */ function implementation() public view returns (address res) { assembly { res := sload(EIP1967_IMPLEMENTATION_STORAGE) } } /** * @dev Updates address of the proxy owner. * Callable only by the proxy admin. * @param _admin address of the new proxy admin. */ function setAdmin(address _admin) external onlyAdmin { _setAdmin(_admin); } /** * @dev Updates proxy implementation address. * Callable only by the proxy admin. * @param _implementation address of the new proxy implementation. */ function upgradeTo(address _implementation) external onlyAdmin { _setImplementation(_implementation); } /** * @dev Updates proxy implementation address and makes an initialization call to new implementation. * Callable only by the proxy admin. * @param _implementation address of the new proxy implementation. * @param _data calldata to pass through the new implementation after the upgrade. */ function upgradeToAndCall(address _implementation, bytes calldata _data) external payable onlyAdmin { _setImplementation(_implementation); (bool status,) = address(this).call{value: msg.value}(_data); require(status, "EIP1967Proxy: update call failed"); } /** * @dev Fallback function allowing to perform a delegatecall to the given implementation. * This function will return whatever the implementation call returns */ fallback() external payable { address impl = implementation(); require(impl != address(0)); 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(), impl, 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 Internal function for transfer current admin rights to a different account. * @param _admin address of the new administrator. */ function _setAdmin(address _admin) internal { address previousAdmin = admin(); require(_admin != address(0)); require(previousAdmin != _admin); assembly { sstore(EIP1967_ADMIN_STORAGE, _admin) } emit AdminChanged(previousAdmin, _admin); } /** * @dev Internal function for setting a new implementation address. * @param _implementation address of the new implementation contract. */ function _setImplementation(address _implementation) internal { require(_implementation != address(0)); require(implementation() != _implementation); assembly { sstore(EIP1967_IMPLEMENTATION_STORAGE, _implementation) } emit Upgraded(_implementation); } }
// SPDX-License-Identifier: CC0-1.0 pragma solidity 0.8.15; /** * @title EIP1967Admin * @dev Upgradeable proxy pattern implementation according to minimalistic EIP1967. */ contract EIP1967Admin { // EIP 1967 // bytes32(uint256(keccak256('eip1967.proxy.admin')) - 1) uint256 internal constant EIP1967_ADMIN_STORAGE = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103; modifier onlyAdmin() { require(msg.sender == _admin(), "EIP1967Admin: not an admin"); _; } function _admin() internal view returns (address res) { assembly { res := sload(EIP1967_ADMIN_STORAGE) } } }
{ "remappings": [ "@gnosis/=lib/@gnosis/", "@gnosis/auction/=lib/@gnosis/auction/contracts/", "@openzeppelin/=lib/@openzeppelin/contracts/", "@openzeppelin/contracts/=lib/@openzeppelin/contracts/contracts/", "ds-test/=lib/forge-std/lib/ds-test/src/", "forge-std/=lib/forge-std/src/" ], "optimizer": { "enabled": true, "runs": 200 }, "metadata": { "bytecodeHash": "ipfs" }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "evmVersion": "london", "libraries": {} }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[{"internalType":"address","name":"_admin","type":"address"},{"internalType":"address","name":"_implementation","type":"address"},{"internalType":"bytes","name":"_data","type":"bytes"}],"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"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"admin","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"res","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_admin","type":"address"}],"name":"setAdmin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_implementation","type":"address"}],"name":"upgradeTo","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_implementation","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)
00000000000000000000000039f0bd56c1439a22ee90b4972c16b7868d161981000000000000000000000000000000000000000000000000000000000000dead00000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000
-----Decoded View---------------
Arg [0] : _admin (address): 0x39F0bD56c1439a22Ee90b4972c16b7868D161981
Arg [1] : _implementation (address): 0x000000000000000000000000000000000000dEaD
Arg [2] : _data (bytes): 0x
-----Encoded View---------------
4 Constructor Arguments found :
Arg [0] : 00000000000000000000000039f0bd56c1439a22ee90b4972c16b7868d161981
Arg [1] : 000000000000000000000000000000000000000000000000000000000000dead
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000060
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000000
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