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…hance class structure
Updated blockchain to include messages in mined blocks. - Messages are collected during block mining and added to the new block once mining is complete. - Implemented thread synchronization for message intake and block mining. - Each block stores only messages received during its mining phase. - Added logic to clear pending messages after inclusion in a block.
- Added Message class to handle message construction, signing, and verification. - Implemented RSA-based signing with SHA256 hash for message integrity and authenticity. - Included public key in message for signature verification. - Added isValid method to verify the message's authenticity using the sender's public key. - Ensured message signatures are validated on the receiver side to maintain security and integrity.
- Replace text messages with virtual coin (VC) transactions - Reward 100 VC to the miner who creates each block - Include reward as a transaction before mining starts - Simulate real-world entities like stores, shops, and institutions (e.g., CarShop, FastFood) - Allow transactions between users and simulated entities - Reject transactions if sender lacks sufficient balance - Assume all clients start with 100 VC for testing purposes - Add method to calculate current balance of any client - Output first 15 blocks showing miner rewards and realistic VC circulation
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