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Warning! Contract bytecode has been changed and doesn't match the verified one. Therefore, interaction with this smart contract may be risky.
This contract has been partially verified via Sourcify.
View contract in Sourcify repository
- Contract name:
- WhiteList
- Optimization enabled
- false
- Compiler version
- v0.4.18+commit.9cf6e910
- Verified at
- 2026-06-19T13:58:15.538877Z
WhiteList.sol
pragma solidity ^ 0.4.18;
/**
* @title Ownable
* @dev The Ownable contract has an owner address, and provides basic authorization control
* functions, this simplifies the implementation of "user permissions".
*/
contract Ownable {
address public owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
function Ownable() public {
owner = msg.sender;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
/**
* @dev Allows the current owner to transfer control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
*/
function transferOwnership(address newOwner) onlyOwner public {
require(newOwner != address(0));
OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
}
// Whitelist smart contract
// This smart contract keeps list of addresses to whitelist
contract WhiteList is Ownable {
mapping(address => bool) public whiteList;
uint public totalWhiteListed; //white listed users number
event LogWhiteListed(address indexed user, uint whiteListedNum);
event LogWhiteListedMultiple(uint whiteListedNum);
event LogRemoveWhiteListed(address indexed user);
// @notice it will return status of white listing
// @return true if user is white listed and false if is not
function isWhiteListed(address _user) external view returns (bool) {
return whiteList[_user];
}
// @notice it will remove whitelisted user
// @param _contributor {address} of user to unwhitelist
function removeFromWhiteList(address _user) external onlyOwner() returns (bool) {
require(whiteList[_user] == true);
whiteList[_user] = false;
totalWhiteListed--;
LogRemoveWhiteListed(_user);
return true;
}
// @notice it will white list one member
// @param _user {address} of user to whitelist
// @return true if successful
function addToWhiteList(address _user) external onlyOwner() returns (bool) {
if (whiteList[_user] != true) {
whiteList[_user] = true;
totalWhiteListed++;
LogWhiteListed(_user, totalWhiteListed);
}
return true;
}
// @notice it will white list multiple members
// @param _user {address[]} of users to whitelist
// @return true if successful
function addToWhiteListMultiple(address[] _users) external onlyOwner() returns (bool) {
for (uint i = 0; i < _users.length; ++i) {
if (whiteList[_users[i]] != true) {
whiteList[_users[i]] = true;
totalWhiteListed++;
}
}
LogWhiteListedMultiple(totalWhiteListed);
return true;
}
}
Compiler Settings
{"remappings":[],"optimizer":{"runs":200,"enabled":false},"libraries":{},"compilationTarget":{"WhiteList.sol":"WhiteList"}}
Contract ABI
[{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[{"type":"bool","name":""}],"name":"removeFromWhiteList","inputs":[{"type":"address","name":"_user"}],"constant":false},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"bool","name":""}],"name":"whiteList","inputs":[{"type":"address","name":""}],"constant":true},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[{"type":"bool","name":""}],"name":"addToWhiteList","inputs":[{"type":"address","name":"_user"}],"constant":false},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"bool","name":""}],"name":"isWhiteListed","inputs":[{"type":"address","name":"_user"}],"constant":true},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"address","name":""}],"name":"owner","inputs":[],"constant":true},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[{"type":"bool","name":""}],"name":"addToWhiteListMultiple","inputs":[{"type":"address[]","name":"_users"}],"constant":false},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint256","name":""}],"name":"totalWhiteListed","inputs":[],"constant":true},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[],"name":"transferOwnership","inputs":[{"type":"address","name":"newOwner"}],"constant":false},{"type":"event","name":"LogWhiteListed","inputs":[{"type":"address","name":"user","indexed":true},{"type":"uint256","name":"whiteListedNum","indexed":false}],"anonymous":false},{"type":"event","name":"LogWhiteListedMultiple","inputs":[{"type":"uint256","name":"whiteListedNum","indexed":false}],"anonymous":false},{"type":"event","name":"LogRemoveWhiteListed","inputs":[{"type":"address","name":"user","indexed":true}],"anonymous":false},{"type":"event","name":"OwnershipTransferred","inputs":[{"type":"address","name":"previousOwner","indexed":true},{"type":"address","name":"newOwner","indexed":true}],"anonymous":false}]
Contract Creation Code
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ByteCode
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