Blockchain

Env values

• COINBASE_TX_FROM_ADDRESS: Coinbase TX from address
• COINBASE_TX_SECRET_KEY: Coinbase TX Secret key

Configuration

• BLOCK_SUBSIDY: The initial block reward for miners.
• COINBASE_TX: Configuration for coinbase transactions.
• GENESIS_BLOCK_DATA: Data for initializing the genesis block.
• INITIAL_DIFFICULTY: The starting difficulty for mining.
• NUM_OF_BLOCKS_TO_HALF_MINING_REWARD: Number of blocks after which the mining reward is halved.
• TARGET_MINE_RATE_MS: Target mining rate in milliseconds.

Classes and there methods

• Block: mineBlock, calculateHash, isValid, areBlocksValidlyConnected
• Blockchain: addBlock, isValidChain, replaceChain, getLatestBlock, getBlockByHash, getBlockByHeight
• CoinbaseTransaction: createCoinbaseTransaction, isValid
• GenesisBlock: createGenesisBlock
• Mempool: addTransaction, removeTransaction, getTransactions, clear
• Transaction: isValid, signTransaction, update
• Wallet: createTransaction, sign, calculateBalance, getPublicKey

Utils and types

• getSHA256Hash: calculate SHA256 hash.
• BlockType: Block type
• TransactionType: TX type