Solana Lottery Smart Contract

I need a smart contract for a lottery game on the Solana blockchain.

Essential functionalities:
- Random Number Generation: Secure and fair lottery number selection.
- Prize Distribution: Automated and transparent winner payouts.
- Ticket Purchasing: User-friendly and secure ticket buying process.

Ideal Skills and Experience:
- Proficient in Solana blockchain development.
- Experience with smart contracts, particularly in lottery mechanics.
- Strong background in secure random number generation and transaction automation.