constructor.sol

using Arrays for uint256[];

// Number of seconds for 30, 60, 90, ... days
// [2592000, 5184000, 7776000, ..., 75168000, 77760000]
uint256[] private _vestingDays;

// Basis points (0.01%) made available within month 1,2,3,... after time of purchase.
// [0, 50, 100, ..., 9000, 10000]
uint256[] private _vestingBasisPoints;

constructor(
    string memory name,
    string memory symbol,
    uint256 totalSupply,
    uint256[] memory vestingDays,
    uint256[] memory vestingBasisPoints
) payable Ownable() ERC20(name, symbol) {
    _mint(owner(), totalSupply); // OpenZeppelin's _mint
    _vestingDays = vestingDays;
    _vestingBasisPoints = vestingBasisPoints;
}