generateWallet.ts

// Generating a new deterministic wallet based upon the 
// gameAddress and the hash of the user signature of the gameAddress
export const generateWallet = async (
    chainId: number,
    gaslessGameAddress: string,
    gameAddress: string,
    ): Promise<ethers.Signer> => {
    const provider = new ethers.providers.Web3Provider(window.ethereum);
    let signer = provider.getSigner();

    const message = {
        gameAddress: gameAddress,
    };

    domain.chainId = chainId;
    domain.verifyingContract = gaslessGameAddress;

    const signature = await signer._signTypedData(domain, walletGenerationTypes, message);
    const hashedSignature = ethers.utils.keccak256(signature);

    // Use the hashed signature to generate a deterministic mnemonic
    const mnemonic = ethers.utils.entropyToMnemonic(hashedSignature);

    // Create a wallet using the deterministic mnemonic
    const deterministicWallet = ethers.Wallet.fromMnemonic(mnemonic);

    return deterministicWallet;
};