Utility made to empower investors

                            
 1 
 2// sERC20 Library
 3 
 4function _sercVerifiyTaxes(uint256[] memory _taxes, bool _isBuy)
 5    internal
 6    view
 7{
 8    uint256 total = 0;
 9 
10    for (uint256 i = 0; i < _taxes.length; i++) {
11        total += _taxes[i];
12    }
13 
14    uint256 taxThreshold;
15 
16    if (_isBuy) {
17        taxThreshold = buyTaxThreshold;
18    } else {
19        taxThreshold = sellTaxThreshold;
20    }
21 
22    require( 
23        total <= taxThreshold, 
24        string( 
25            abi.encodePacked( 
26                "sERC20: Tax rate can not be set higher than ", 
27                Strings.toString(taxThreshold), 
28                "%" 
29            ) 
30        ) 
31    ); 
32}
33 
34function _sercSetTaxes(uint256[] memory _taxes, bool _isBuy) internal {
35    _sercVerifiyTaxes(_taxes, _isBuy); 
36 
37    uint256 total = 0;
38 
39    if (_isBuy) {
40        buyTaxes = _taxes;
41 
42        for (uint256 i = 0; i < _taxes.length; i++) {
43            total += _taxes[i];
44        }
45 
46        buyTotalTax = total;
47    } else {
48        sellTaxes = _taxes;
49 
50        for (uint256 i = 0; i < _taxes.length; i++) {
51            total += _taxes[i];
52        }
53 
54        sellTotalTax = total;
55    }
56}                        

                            
 1 
 2// sERC20 Library
 3 
 4function sercSetBlacklisted(address[] memory _addrList, bool _isBlacklisted)
 5    external
 6    onlyOwner
 7{
 8    _sercSetBlacklisted(_addrList, _isBlacklisted); 
 9}
10 
11function _sercSetBlacklisted(address[] memory _addrList, bool _isBlacklisted)
12    internal
13{
14    if (tradingEnabled) { 
15        require( 
16            block.timestamp <= tradingEnabledAt + 10 minutes, 
17            "sERC20: Can not blacklist more than 10 minutes after trading has been enabled" 
18        ); 
19    } 
20 
21    for (uint256 i = 0; i < _addrList.length; i++) {
22        require( 
23            pair != _addrList[i], 
24            "sERC20: Can not blacklist the pair address" 
25        ); 
26        require( 
27            address(router) != _addrList[i], 
28            "sERC20: Can not blacklist the router address" 
29        ); 
30        require( 
31            address(this) != _addrList[i], 
32            "sERC20: Can not blacklist the contract address" 
33        ); 
34        blacklist[_addrList[i]] = _isBlacklisted; 
35    }
36}                        

                            
 1 
 2// sERC20 Library
 3 
 4function sercSetMaxTx(uint256 _maxTx) external onlyOwner {
 5    require(_maxTx >= maxTx, "sERC20: Can not lower the max tx amount"); 
 6 
 7    require( 
 8        _maxTx <= maxWallet, 
 9        "sERC20: Can not set max tx higher than the max wallet" 
10    ); 
11 
12    maxTx = _maxTx;
13}
14 
15function sercSetMaxWallet(uint256 _maxWallet) external onlyOwner {
16    require( 
17        _maxWallet >= maxWallet, 
18        "sERC20: Can not lower the max wallet amount" 
19    ); 
20 
21    require( 
22        _maxWallet >= maxTx, 
23        "sERC20: Can not set max wallet lower than the max tx" 
24    ); 
25 
26    maxWallet = _maxWallet;
27}                        

                            
 1 
 2// sERC20 Library
 3 
 4function sercSetTradingEnabled() public virtual onlyOwner {
 5    require(!tradingEnabled, "sERC20: Trading is already enabled"); 
 6    require(maxTx != 0, "sERC20: Max transaction must be initilised first."); 
 7    require(maxWallet != 0, "sERC20: Max wallet must be initilised first."); 
 8 
 9    tradingEnabledAt = block.timestamp;
10    tradingEnabledBlock = block.number;
11    tradingEnabled = true;
12}