Why the "totalSupply" of the token is not showing up on Etherscan in the Read Contract section? It supposed to be 1 billion fixed supply and the smart contract (0xE22059E42AE5683b21E3C66E57e14Fee593E22c9) is super simple.
Is it possible to create an additional smart contract and add it to the Etherscan to reflect the total token supply? If not, how users can check the total supply of the token if it's not showing up on the Etherscan?
Here is the token smart contract: