function addToWhitelist(address _address) public onlyRole(DEFAULT_ADMIN_ROLE) {
_whitelist[_address] = true;
}

function removeFromWhitelist(address _address) public onlyRole(DEFAULT_ADMIN_ROLE) {
_whitelist[_address] = false;
}

function toggleWhitelist() public onlyRole(DEFAULT_ADMIN_ROLE) {
whitelistActive = !whitelistActive;
}

function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
if (whitelistActive) {
require(_whitelist[recipient], "Recipient is not whitelisted");
}
return super.transfer(recipient, amount);
}

function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
if (whitelistActive) {
require(_whitelist[recipient], "Recipient is not whitelisted");
}
return super.transferFrom(sender, recipient, amount);
}

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