Class TxHandler

java.lang.Object

TxHandler

public class TxHandler
extends Object

Constructor Summary

Constructors

Constructor and Description
TxHandler(UTXOPool utxoPool) Creates a public ledger whose current UTXOPool (collection of unspent transaction outputs) is utxoPool.

Method Summary

Modifier and Type	Method and Description
Transaction[]	handleTxs(Transaction[] possibleTxs) Handles each epoch by receiving an unordered array of proposed transactions, checking each transaction for correctness, returning a mutually valid array of accepted transactions, and updating the current UTXO pool as appropriate.
boolean	isValidTx(Transaction tx)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TxHandler

public TxHandler(UTXOPool utxoPool)

Creates a public ledger whose current UTXOPool (collection of unspent transaction outputs) is utxoPool. This should make a copy of utxoPool by using the UTXOPool(UTXOPool uPool) constructor.

Method Detail

isValidTx

public boolean isValidTx(Transaction tx)

Returns:

true if: (1) all outputs claimed by tx are in the current UTXO pool, (2) the signatures on each input of tx are valid, (3) no UTXO is claimed multiple times by tx, (4) all of txs output values are non-negative, and (5) the sum of txs input values is greater than or equal to the sum of its output values; and false otherwise.

handleTxs

public Transaction[] handleTxs(Transaction[] possibleTxs)

Handles each epoch by receiving an unordered array of proposed transactions, checking each transaction for correctness, returning a mutually valid array of accepted transactions, and updating the current UTXO pool as appropriate.