mint(address to, uint256 amount): Mints loyalty points to a given address.

burn(address from, uint256 amount): Burns loyalty points from a given address.

balanceOf(address account): Returns the balance of loyalty points for a given address.

transfer(address to, uint256 amount): Transfers loyalty points from the caller's address to a given address.

approve(address spender, uint256 amount): Allows a spender to transfer loyalty points from the caller's address.

transferFrom(address from, address to, uint256 amount): Transfers loyalty points from one address to another, where the caller must have been approved by the "from" address.

allowance(address owner, address spender): Returns the amount of loyalty points that a spender is allowed to transfer from an owner's address.

getTotalSupply(): Returns the total supply of loyalty points.

Transfer(address indexed from, address indexed to, uint256 amount): Emitted when loyalty points are transferred.

Approval(address indexed owner, address indexed spender, uint256 amount): Emitted when an approval is granted.