Package ch.bitagent.bitcoin.lib.tx

Class Tx

java.lang.Object

ch.bitagent.bitcoin.lib.tx.Tx

All Implemented Interfaces:

Message

public class Tx
extends Object
implements Message

Tx class.

Field Summary

Fields

Modifier and Type	Field	Description
static String	COMMAND	Constant COMMAND="tx"

Constructor Summary

Constructors

Constructor	Description
Tx(Int version, List<TxIn> txIns, List<TxOut> txOuts, Int locktime, Boolean testnet, Boolean segwit)	Constructor for Tx.

Method Summary

Modifier and Type	Method	Description
Int	coinbaseHeight()	Returns the height of the block this coinbase transaction is in Returns None if this transaction is not a coinbase transaction
Int	fee()	Returns the fee of this transaction in satoshi
byte[]	getCommand()	getCommand.
Int	getLocktime()	Getter for the field locktime.
Boolean	getSegwit()	Getter for the field segwit.
Boolean	getTestnet()	Getter for the field testnet.
List<TxIn>	getTxIns()	Getter for the field txIns.
List<TxOut>	getTxOuts()	Getter for the field txOuts.
Int	getVersion()	Getter for the field version.
byte[]	hash()	Binary hash of the legacy serialization
String	id()	Human-readable hexadecimal of the transaction hash
boolean	isCoinbase()	Returns whether this transaction is a coinbase transaction or not
static Tx	parse(ByteArrayInputStream stream, Boolean testnet)	parse.
byte[]	serialize()	serialize.
void	setLocktime(Int locktime)	Setter for the field locktime.
Int	sigHash(int inputIndex, Script redeemScript)	Returns the integer representation of the hash that needs to get signed for index input_index
Int	sigHashBip143(int inputIndex, Script redeemScript, Script witnessScript)	Returns the integer representation of the hash that needs to get signed for index input_index
boolean	signInput(int inputIndex, PrivateKey privateKey)	Signs the input using the private key
String	toString()
boolean	verify()	Verify this transaction
boolean	verifyInput(int inputIndex)	Returns whether the input has a valid signature

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

COMMAND

public static final String COMMAND

Constant COMMAND="tx"

See Also:

Constant Field Values

Constructor Detail

Tx

public Tx(Int version,
          List<TxIn> txIns,
          List<TxOut> txOuts,
          Int locktime,
          Boolean testnet,
          Boolean segwit)

Constructor for Tx.

Parameters:

version - a Int object

txIns - a List object

txOuts - a List object

locktime - a Int object

testnet - a Boolean object

segwit - a Boolean object

Method Detail

getCommand

public byte[] getCommand()

getCommand.

Specified by:

getCommand in interface Message

Returns:

an array of byte objects

id

public String id()

Human-readable hexadecimal of the transaction hash

Returns:

a String object

hash

public byte[] hash()

Binary hash of the legacy serialization

Returns:

an array of byte objects

parse

public static Tx parse(ByteArrayInputStream stream,
                       Boolean testnet)

parse.

Parameters:

stream - a ByteArrayInputStream object

testnet - a Boolean object

Returns:

a Tx object

serialize

public byte[] serialize()

serialize.

Specified by:

serialize in interface Message

Returns:

an array of byte objects

fee

public Int fee()

Returns the fee of this transaction in satoshi

Returns:

a Int object

sigHash

public Int sigHash(int inputIndex,
                   Script redeemScript)

Returns the integer representation of the hash that needs to get signed for index input_index

Parameters:

inputIndex - a int

redeemScript - a Script object

Returns:

a Int object

sigHashBip143

public Int sigHashBip143(int inputIndex,
                         Script redeemScript,
                         Script witnessScript)

Returns the integer representation of the hash that needs to get signed for index input_index

Parameters:

inputIndex - a int

redeemScript - a Script object

witnessScript - a Script object

Returns:

a Int object

verifyInput

public boolean verifyInput(int inputIndex)

Returns whether the input has a valid signature

Parameters:

inputIndex - a int

Returns:

a boolean

verify

public boolean verify()

Verify this transaction

Returns:

a boolean

signInput

public boolean signInput(int inputIndex,
                         PrivateKey privateKey)

Signs the input using the private key

Parameters:

inputIndex - a int

privateKey - a PrivateKey object

Returns:

a boolean

isCoinbase

public boolean isCoinbase()

Returns whether this transaction is a coinbase transaction or not

Returns:

a boolean

coinbaseHeight

public Int coinbaseHeight()

Returns the height of the block this coinbase transaction is in Returns None if this transaction is not a coinbase transaction

Returns:

a Int object

toString

public String toString()

Overrides:

toString in class Object

getTxOuts

public List<TxOut> getTxOuts()

Getter for the field txOuts.

Returns:

a List object

getSegwit

public Boolean getSegwit()

Getter for the field segwit.

Returns:

a Boolean object

getLocktime

public Int getLocktime()

Getter for the field locktime.

Returns:

a Int object

setLocktime

public void setLocktime(Int locktime)

Setter for the field locktime.

Parameters:

locktime - a Int object

getTxIns

public List<TxIn> getTxIns()

Getter for the field txIns.

Returns:

a List object

getVersion

public Int getVersion()

Getter for the field version.

Returns:

a Int object

getTestnet

public Boolean getTestnet()

Getter for the field testnet.

Returns:

a Boolean object