Adds a mapping from UTXO {@code utxo} to transaction output @code{txOut} to the pool

Add {@code block} to the block chain if it is valid. For validity, all transactions should be valid and block should be at {@code height > (maxHeight

@return true if UTXO {@code utxo} is in the pool and false otherwise

@return true if UTXO {@code utxo} is in the pool and false otherwise

@return the transaction output corresponding to UTXO {@code utxo}, or null if {@code utxo} is not in the pool.

Handles each epoch by receiving an unordered array of proposed transactions, checking each transaction for correctness, returning a mutually valid arr

@return proposals to send to my followers. REMEMBER: After final round, behavior of {@code getProposals} changes and it should return the tran

@return true is {@code signature} is a valid digital signature of {@code message} under the key {@code pubKey}. Internally, this uses RSA sign

Adds a mapping from UTXO {@code utxo} to transaction output @code{txOut} to the pool

Compares this UTXO to the one specified by {@code utxo}

Compares this UTXO to the one specified by {@code other}, considering them equal if they have {@code txHash} arrays with equal contents and equal {@co

Compares this UTXO to the one specified by {@code other}, considering them equal if they have {@code txHash} arrays with equal contents and equal {@co

Returns an {@code ArrayList} of all UTXOs in the pool

Get the maximum height block

Get the UTXOPool for mining a new block on top of max height block

Get the transaction pool to mine a new block

@return true if: (1) all outputs claimed by {@code tx} are in the current UTXO pool, (2) the signatures on each input of {@code tx} are valid, (3) no

@return true if: (1) all outputs claimed by {@code tx} are in the current UTXO pool, (2) the signatures on each input of {@code tx} are valid, (3)

receive candidates from other nodes.

Removes the UTXO {@code utxo} from the pool

{@code followees[i]} is true if and only if this node follows node {@code i}

initialize proposal list of transactions

{@code address} is the address to which the coinbase transaction would go

create an empty block chain with just a genesis block. Assume {@code genesisBlock} is a valid block

assume blockChain has the genesis block

Creates a public ledger whose current UTXOPool (collection of unspent transaction outputs) is {@code utxoPool}. This should make a copy of utxoPool by

Creates a public ledger whose current UTXOPool (collection of unspent transaction outputs) is {@code utxoPool}. This should make a copy of utxoPool by

Creates a new UTXO corresponding to the output with index <index> in the transaction whose hash is {@code txHash}

Creates a new UTXO corresponding to the output with index <index> in the transaction whose hash is {@code txHash}

Creates a new empty UTXOPool

Creates a new empty UTXOPool

Add a transaction to the transaction pool

Compares this UTXO to the one specified by {@code utxo}

create a new {@code block} over the max height {@code block}

Returns an {@code ArrayList} of all UTXOs in the pool

@return the index of this UTXO

@return the index of this UTXO