ERC-20
Overview
Max Total Supply
10,000 YFIBM
Holders
18
Market
Onchain Market Cap
$0.00
Circulating Supply Market Cap
-
Other Info
Token Contract (WITH 18 Decimals)
Balance
15.83603132981261797 YFIBMValue
$0.00Loading...
Loading
Loading...
Loading
Loading...
Loading
# | Exchange | Pair | Price | 24H Volume | % Volume |
---|
This contract may be a proxy contract. Click on More Options and select Is this a proxy? to confirm and enable the "Read as Proxy" & "Write as Proxy" tabs.
Similar Match Source Code This contract matches the deployed Bytecode of the Source Code for Contract 0x31C18Cb8...081652F8C The constructor portion of the code might be different and could alter the actual behaviour of the contract
Contract Name:
YFIBM
Compiler Version
v0.6.12+commit.27d51765
Contract Source Code (Solidity)
/** *Submitted for verification at Etherscan.io on 2020-10-05 */ // SPDX-License-Identifier: MIT // File: contracts/proxy/Proxy.sol pragma solidity >=0.6 <0.7.0; /** * @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 () payable external { _fallback(); } /** * @dev Receive function. * Implemented entirely in `_fallback`. */ receive () payable external { _fallback(); } /** * @return The Address of the implementation. */ function _implementation() internal virtual 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 { // solhint-disable-next-line no-inline-assembly 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()); } } // File: contracts/proxy/UpgradeableProxy.sol pragma solidity >=0.6 <0.7.0; /** * @title UpgradeableProxy * @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 UpgradeableProxy is Proxy { /** * @dev Contract constructor. * @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. */ constructor(address _logic, bytes memory _data) public payable { assert(_IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1)); _setImplementation(_logic); if(_data.length > 0) { // solhint-disable-next-line avoid-low-level-calls (bool success,) = _logic.delegatecall(_data); require(success); } } /** * @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 private constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc; /** * @dev Returns the current implementation. * @return impl Address of the current implementation */ function _implementation() internal override view returns (address impl) { bytes32 slot = _IMPLEMENTATION_SLOT; // solhint-disable-next-line no-inline-assembly 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), "UpgradeableProxy: new implementation is not a contract"); bytes32 slot = _IMPLEMENTATION_SLOT; // solhint-disable-next-line no-inline-assembly assembly { sstore(slot, newImplementation) } } /** * @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) { // This method relies in extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; // solhint-disable-next-line no-inline-assembly assembly { size := extcodesize(account) } return size > 0; } } // File: contracts/proxy/ManagedProxy.sol pragma solidity >=0.6 <0.7.0; /** * @title ManagedProxy * @dev This contract combines an upgradeability proxy with an authorization * mechanism for administrative tasks. * 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 ManagedProxy is UpgradeableProxy { /** * 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 UpgradeableProxy(_logic, _data) { assert(_ADMIN_SLOT == bytes32(uint256(keccak256("eip1967.proxy.admin")) - 1)); _setAdmin(_admin); } /** * @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. */ bytes32 private constant _ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103; /** * @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(); } } /** * @return The address of the proxy admin. */ function getProxyAdmin() public view returns (address) { return _admin(); } /** * @return The address of the implementation. */ function getProxyImplementation() public view 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), "TransparentUpgradeableProxy: new admin is 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 payable 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); // solhint-disable-next-line avoid-low-level-calls (bool success,) = newImplementation.delegatecall(data); require(success); } /** * @return adm The admin slot. */ function _admin() internal view returns (address adm) { bytes32 slot = _ADMIN_SLOT; // solhint-disable-next-line no-inline-assembly 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; // solhint-disable-next-line no-inline-assembly assembly { sstore(slot, newAdmin) } } /** * @dev Only fallback when the sender is not the admin. */ function _willFallback() internal override virtual { // require(msg.sender != _admin(), "TransparentUpgradeableProxy: admin cannot fallback to proxy target"); super._willFallback(); } } // File: contracts/YFIBM.sol pragma solidity >=0.6.0 <0.7.0; /** * @dev Implementation of the {IERC20} interface. * * This implementation is agnostic to the way tokens are created. This means * that a supply mechanism has to be added in a derived contract using {_mint}. * For a generic mechanism see {ERC20PresetMinterPauser}. * * TIP: For a detailed writeup see our guide * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * We have followed general OpenZeppelin guidelines: functions revert instead * of returning `false` on failure. This behavior is nonetheless conventional * and does not conflict with the expectations of ERC20 applications. * * Additionally, an {Approval} event is emitted on calls to {transferFrom}. * This allows applications to reconstruct the allowance for all accounts just * by listening to said events. Other implementations of the EIP may not emit * these events, as it isn't required by the specification. * * Finally, the non-standard {decreaseAllowance} and {increaseAllowance} * functions have been added to mitigate the well-known issues around setting * allowances. See {IERC20-approve}. */ contract YFIBM is ManagedProxy { constructor( address logic, address admin ) public payable ManagedProxy( logic, admin, abi.encodeWithSelector(0x9c020061, admin) ) {} }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[{"internalType":"address","name":"logic","type":"address"},{"internalType":"address","name":"admin","type":"address"}],"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":[{"internalType":"address","name":"newAdmin","type":"address"}],"name":"changeAdmin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"getProxyAdmin","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getProxyImplementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"}],"name":"upgradeTo","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"stateMutability":"payable","type":"function"},{"stateMutability":"payable","type":"receive"}]
Contract Creation Code
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
Deployed Bytecode
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
Deployed Bytecode Sourcemap
13059:277:0:-:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;728:11;:9;:11::i;:::-;13059:277;;568:11;:9;:11::i;9907:119::-;;;;;;;;;;;;;;;;-1:-1:-1;9907:119:0;-1:-1:-1;;;;;9907:119:0;;:::i;10574:299::-;;;;;;;;;;;;;;;;-1:-1:-1;;;;;10574:299:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;10574:299:0;;-1:-1:-1;10574:299:0;-1:-1:-1;10574:299:0;:::i;8990:89::-;;;;;;;;;;;;;:::i;:::-;;;;-1:-1:-1;;;;;8990:89:0;;;;;;;;;;;;;;9458:246;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;9458:246:0;-1:-1:-1;;;;;9458:246:0;;:::i;9156:107::-;;;;;;;;;;;;;:::i;2495:103::-;2536:15;:13;:15::i;:::-;2562:28;2572:17;:15;:17::i;:::-;2562:9;:28::i;:::-;2495:103::o;9907:119::-;8827:8;:6;:8::i;:::-;-1:-1:-1;;;;;8813:22:0;:10;-1:-1:-1;;;;;8813:22:0;;8809:100;;;9989:29:::1;10000:17;9989:10;:29::i;:::-;8809:100:::0;;;8886:11;:9;:11::i;:::-;9907:119;:::o;10574:299::-;8827:8;:6;:8::i;:::-;-1:-1:-1;;;;;8813:22:0;:10;-1:-1:-1;;;;;8813:22:0;;8809:100;;;10684:29:::1;10695:17;10684:10;:29::i;:::-;10785:12;10802:17;-1:-1:-1::0;;;;;10802:30:0::1;10833:4;;10802:36;;;;;;;;;;::::0;;::::1;::::0;-1:-1:-1;10802:36:0::1;::::0;-1:-1:-1;10802:36:0;;-1:-1:-1;;10802:36:0;;::::1;::::0;;::::1;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;10784:54;;;10857:7;10849:16;;;::::0;::::1;;8852:1;8809:100:::0;;;8886:11;:9;:11::i;:::-;10574:299;;;:::o;8990:89::-;9036:7;9063:8;:6;:8::i;:::-;9056:15;;8990:89;:::o;9458:246::-;8827:8;:6;:8::i;:::-;-1:-1:-1;;;;;8813:22:0;:10;-1:-1:-1;;;;;8813:22:0;;8809:100;;;-1:-1:-1;;;;;9533:22:0;::::1;9525:93;;;;-1:-1:-1::0;;;9525:93:0::1;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;9634:32;9647:8;:6;:8::i;:::-;9634:32;::::0;;-1:-1:-1;;;;;9634:32:0;;::::1;::::0;;;;::::1;;::::0;::::1;::::0;;;;;;;;;::::1;9677:19;9687:8;9677:9;:19::i;9156:107::-:0;9211:7;9238:17;:15;:17::i;11590:206::-;11767:21;:19;:21::i;4582:248::-;4381:66;4801:11;;4778:45::o;1199:907::-;1591:14;1588:1;1585;1572:34;1809:1;1806;1790:14;1787:1;1771:14;1764:5;1751:60;1888:16;1885:1;1882;1867:38;1928:6;1997:38;;;;2069:16;2066:1;2059:27;1997:38;2016:16;2013:1;2006:27;10935:219;8504:66;11125:11;;11103:44::o;4981:155::-;5048:37;5067:17;5048:18;:37::i;:::-;5101:27;;-1:-1:-1;;;;;5101:27:0;;;;;;;;4981:155;:::o;11286:217::-;8504:66;11463:22;11448:48::o;5289:362::-;5372:29;5383:17;5372:10;:29::i;:::-;5364:96;;;;-1:-1:-1;;;5364:96:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;4381:66;5602:31;5587:57::o;6246:422::-;6613:20;6652:8;;;6246:422::o
Swarm Source
ipfs://f5a320389c8463486681428b9a78d5991e7fa032fef484b3f77b5c8aa616b9c8
Loading...
Loading
Loading...
Loading
[ Download: CSV Export ]
[ Download: CSV Export ]
A token is a representation of an on-chain or off-chain asset. The token page shows information such as price, total supply, holders, transfers and social links. Learn more about this page in our Knowledge Base.