Warning! Contract bytecode has been changed and doesn't match the verified one. Therefore, interaction with this smart contract may be risky.
- Contract name:
- WhitelistContract
- Optimization enabled
- true
- Compiler version
- v0.8.0+commit.c7dfd78e
- Optimization runs
- 200
- EVM Version
- default
- Verified at
- 2024-09-26T15:35:33.847998Z
Contract source code
// SPDX-License-Identifier: No License (None)
pragma solidity ^0.8.0;
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
abstract contract Ownable {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor () {
_owner = msg.sender;
emit OwnershipTransferred(address(0), msg.sender);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(owner() == msg.sender, "Ownable: caller is not the owner");
_;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
contract WhitelistContract is Ownable {
mapping(address => bool) public isWhitelisted;
mapping(address => bool) public isBlacklisted;
mapping(address => bool) public isSystem;
event Whitelist(address indexed _who, bool _status);
event Blacklist(address indexed _who, bool _status);
event System(address indexed _who, bool _status);
modifier onlyOwnerOrSystem() {
require(isSystem[msg.sender] || owner() == msg.sender, "Ownable: caller is not the owner or system");
_;
}
function onlyWhitelisted(address _sender, address _recipient) external view returns (bool) {
require(isWhitelisted[_sender], "Address must be whitelisted to initiate a transaction");
require(isWhitelisted[_recipient], "Address must be whitelisted to receive a transaction");
return true;
}
function setSystem(address _who, bool _status) onlyOwner external
{
isSystem[_who] = _status;
emit System(_who, _status);
}
function setBlacklisted(address _who, bool _status) onlyOwner external
{
isBlacklisted[_who] = _status;
if(_status)
{
isWhitelisted[_who] = false;
emit Whitelist(_who, false);
}
emit Blacklist(_who, _status);
}
function setWhitelisted(address _who, bool _status) onlyOwnerOrSystem external
{
require(!isBlacklisted[_who], "Address blacklisted");
isWhitelisted[_who] = _status;
emit Whitelist(_who, _status);
}
}
Contract ABI
[{"type":"event","name":"Blacklist","inputs":[{"type":"address","name":"_who","internalType":"address","indexed":true},{"type":"bool","name":"_status","internalType":"bool","indexed":false}],"anonymous":false},{"type":"event","name":"OwnershipTransferred","inputs":[{"type":"address","name":"previousOwner","internalType":"address","indexed":true},{"type":"address","name":"newOwner","internalType":"address","indexed":true}],"anonymous":false},{"type":"event","name":"System","inputs":[{"type":"address","name":"_who","internalType":"address","indexed":true},{"type":"bool","name":"_status","internalType":"bool","indexed":false}],"anonymous":false},{"type":"event","name":"Whitelist","inputs":[{"type":"address","name":"_who","internalType":"address","indexed":true},{"type":"bool","name":"_status","internalType":"bool","indexed":false}],"anonymous":false},{"type":"function","stateMutability":"view","outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"isBlacklisted","inputs":[{"type":"address","name":"","internalType":"address"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"isSystem","inputs":[{"type":"address","name":"","internalType":"address"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"isWhitelisted","inputs":[{"type":"address","name":"","internalType":"address"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"onlyWhitelisted","inputs":[{"type":"address","name":"_sender","internalType":"address"},{"type":"address","name":"_recipient","internalType":"address"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"address"}],"name":"owner","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"renounceOwnership","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"setBlacklisted","inputs":[{"type":"address","name":"_who","internalType":"address"},{"type":"bool","name":"_status","internalType":"bool"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"setSystem","inputs":[{"type":"address","name":"_who","internalType":"address"},{"type":"bool","name":"_status","internalType":"bool"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"setWhitelisted","inputs":[{"type":"address","name":"_who","internalType":"address"},{"type":"bool","name":"_status","internalType":"bool"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"transferOwnership","inputs":[{"type":"address","name":"newOwner","internalType":"address"}]}]
Contract Creation Code
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