ERC-20
Gold
Overview
Max Total Supply
114.96707 PMGT
Holders
211 (0.00%)
Market
Onchain Market Cap
$0.00
Circulating Supply Market Cap
-
Other Info
Token Contract (WITH 5 Decimals)
Balance
0.008 PMGTValue
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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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.
Contract Name:
AdminUpgradeabilityProxy
Compiler Version
v0.4.24+commit.e67f0147
Contract Source Code (Solidity Multiple files format)
pragma solidity ^0.4.24; import './UpgradeabilityProxy.sol'; /** * @title AdminUpgradeabilityProxy * * @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 AdminUpgradeabilityProxy is UpgradeabilityProxy { /** * @dev Event emitted whenever 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 "infinigold.proxy.admin", and is validated in the constructor. */ bytes32 private constant ADMIN_SLOT = 0x0d28943014d3bfed6af9cab5e6024c23fa2da10f7a6373bcd56c37313c24d93a; /** * @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(); } } /** * @dev Contract constructor. * @dev It sets the `msg.sender` as the proxy administrator. * * @param _implementation address of the initial implementation. */ constructor(address _implementation) UpgradeabilityProxy(_implementation) public { assert(ADMIN_SLOT == keccak256("infinigold.proxy.admin")); _setAdmin(msg.sender); } /** * @return The address of the proxy admin. */ function admin() external view ifAdmin returns (address) { return _admin(); } /** * @return The address of the implementation. */ function implementation() external view 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. * * The given `data` should include the signature and parameters of the function to be called. * See https://solidity.readthedocs.io/en/v0.4.24/abi-spec.html#function-selector-and-argument-encoding * * @param newImplementation Address of the new implementation. * @param data Data to send as msg.data in the low level call. */ function upgradeToAndCall(address newImplementation, bytes data) payable external ifAdmin { _upgradeTo(newImplementation); require(address(this).call.value(msg.value)(data)); } /** * @return The admin slot. */ function _admin() internal view returns (address adm) { bytes32 slot = ADMIN_SLOT; 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; assembly { sstore(slot, newAdmin) } } /** * @dev Only fall back when the sender is not the admin. */ function _willFallback() internal { require(msg.sender != _admin(), "Cannot call fallback function from the proxy admin"); super._willFallback(); } }
pragma solidity ^0.4.24; /** * @title Address * * @dev Utility library of inline functions on addresses. */ library Address { /** * @dev Returns whether the target address is a contract. * 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 The address of the account to check * @return True if the target address is a contract, otherwise false */ 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; } }
pragma solidity ^0.4.24; /** * @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. // The 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()); } }
pragma solidity ^0.4.24; import './Proxy.sol'; import './Address.sol'; /** * @title UpgradeabilityProxy * * @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 UpgradeabilityProxy is Proxy { /** * @dev Emitted when the implementation is upgraded. * * @param implementation Address of the new implementation. */ event Upgraded(address implementation); /** * @dev Storage slot with the address of the current implementation. * This is the keccak-256 hash of "infinigold.proxy.implementation", and is validated in the constructor. */ bytes32 private constant IMPLEMENTATION_SLOT = 0x17a1a1520654e435f06928e17f36680bf83a0dd9ed240ed37d78f8289a559c70; /** * @dev Contract constructor. * * @param _implementation Address of the initial implementation. */ constructor(address _implementation) public { assert(IMPLEMENTATION_SLOT == keccak256("infinigold.proxy.implementation")); _setImplementation(_implementation); } /** * @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) private { require(Address.isContract(newImplementation), "Cannot set a proxy implementation to a non-contract address"); bytes32 slot = IMPLEMENTATION_SLOT; assembly { sstore(slot, newImplementation) } } }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"constant":false,"inputs":[{"name":"newImplementation","type":"address"}],"name":"upgradeTo","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"newImplementation","type":"address"},{"name":"data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":true,"inputs":[],"name":"implementation","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"newAdmin","type":"address"}],"name":"changeAdmin","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"admin","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"_implementation","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"anonymous":false,"inputs":[{"indexed":false,"name":"previousAdmin","type":"address"},{"indexed":false,"name":"newAdmin","type":"address"}],"name":"AdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"implementation","type":"address"}],"name":"Upgraded","type":"event"}]
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)
0000000000000000000000004dd653e7db14bb7e509861eb2b8888773798aaad
-----Decoded View---------------
Arg [0] : _implementation (address): 0x4dd653E7Db14BB7e509861eb2b8888773798AaAd
-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000004dd653e7db14bb7e509861eb2b8888773798aaad
Deployed Bytecode Sourcemap
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Swarm Source
bzzr://0a1254f5499f71df0d106c57a820b5f02ac2470f6f5aeeff0bcc06cb68730a39
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