關於映射白名單的問題（solidity）

試圖使用映射硬編碼地址的白名單數組得到了這個錯誤：

我的程式碼：

合約智能合約 {

string public constant name = "CustomEnergyToken"; // solidity automatically creates a getter function for public variables
string public constant symbol = "CET"; 
uint8 public constant decimals = 18; 
address public constant deadAddress = 0x000000000000000000000000000000000000dEaD;
mapping(address => bool) privatewhiteList;
whiteList [0x4A5B301C57FA01F1F432a9776c863D9645C17bBa]=true;
whiteList [0x98deB3352Be46cB12f3d59160E5c6291880B1001]=true;
whiteList [0x000000000000000000000000000000000000dEaD]=true;

event Approval(address indexed tokenOwner, address indexed spender, uint tokens);
event Transfer(address indexed from, address indexed to, uint tokens);


modifier onlyOwner  {
   require (msg.sender == ownerCon);
   _;
}

mapping(address => uint256) balances; 

mapping(address => mapping (address => uint256)) allowed; 

uint256 totalSupply_;
address ownerCon;


using SafeMath for uint256;


constructor(uint256 total) public {  // special function , only called at time of deployemnet
totalSupply_ = total ;
balances[msg.sender] = total ;  // To Deposit all the newly generated tokens in owner's account
ownerCon = msg.sender;
}  

function totalSupply() public view returns (uint256) {
return totalSupply_;
}
// getter function

function balanceOf(address inputAddress) public view returns (uint) {
   return balances[inputAddress];
}
// getter function 

function transfer(address receiver, uint numTokens) public returns (bool) {
   require(numTokens <= balances[msg.sender], "Not Sufficient Balance");
   balances[msg.sender] = balances[msg.sender].sub(numTokens);
   balances[receiver] = balances[receiver].add(numTokens);
   emit Transfer(msg.sender, receiver, numTokens); // logging these values using events
   return true;
}


function approve(address approved_addr, uint numTokens) public returns (bool) {
   allowed[msg.sender][approved_addr] = numTokens;
   emit Approval(msg.sender, approved_addr, numTokens);
   return true;
}


function allowance(address owner, address token_manger) public view returns (uint) {
   return allowed[owner][token_manger];
}// what allowance has been provided by token_owner to Token_manager



function transferFrom(address owner, address buyer, uint numTokens) public returns (bool) {
   require(numTokens <= balances[owner]);    
   require(numTokens <= allowed[owner][msg.sender]);
   balances[owner] = balances[owner].sub(numTokens);
   allowed[owner][msg.sender] = allowed[owner][msg.sender].sub(numTokens);
   balances[buyer] = balances[buyer].add(numTokens);
   emit Transfer(owner, buyer, numTokens);
   return true;
}

//增加總供應量

function IncreaseSupply(uint256 total) public {  // special function , only called at time of deployemnet
totalSupply_ += total ;
balances[msg.sender] = balances[msg.sender].add(total) ;  // To Deposit all the newly generated tokens in owner's account
}

// 2) 你必須實現一個函式來減少總供應量/燃燒代幣。

function BurnTokens(uint numTokens) public returns(bool){
   require(numTokens <= balances[msg.sender]);
   totalSupply_-=numTokens;
   balances[msg.sender]=balances[msg.sender].sub(numTokens);
   balances[deadAddress] = balances[deadAddress].add(numTokens);
   emit Transfer(msg.sender,deadAddress,numTokens);
   return true;
}

// 3) Whitelist Feature. (Transfer Tokens From One account to another can only take place for whitelisted address)
   function whiteListTransfer(address receiver, uint numTokens) public returns (bool) {
       require(WhiteList[receiver]==true,"not a whitelist address");
       require(numTokens <= balances[msg.sender], "Not Sufficient Balance");
       balances[msg.sender] = balances[msg.sender].sub(numTokens);
       balances[receiver] = balances[receiver].add(numTokens);
       emit Transfer(msg.sender, receiver, numTokens); 
       return true;
   
}

}

正如 Ali Murtaza 建議的那樣，您可以將白名單的設置移到建構子中。

另外，我建議添加一個邏輯來動態添加/刪除白名單地址，只有這些地址owner可以訪問：

   constructor(uint256 total) public {  // special function , only called at time of deployemnet
       totalSupply_ = total ;
       balances[msg.sender] = total ;  // To Deposit all the newly generated tokens in owner's account
       ownerCon = msg.sender;
       whiteList[0x4A5B301C57FA01F1F432a9776c863D9645C17bBa] = true;
       whiteList[0x98deB3352Be46cB12f3d59160E5c6291880B1001] = true;
       whiteList[0x000000000000000000000000000000000000dEaD] = true;
   }

   function updateWhitelist(address _address, bool whiteListed) public onlyOwner {
       whiteList[_address] = whiteListed;
       // or:
       // remove whiteList[_address]; // if whiteListed is false, for example.
   }

引用自：https://ethereum.stackexchange.com/questions/133379