Package ch.bitagent.bitcoin.lib.helper

Class Bytes

java.lang.Object

ch.bitagent.bitcoin.lib.helper.Bytes

public class Bytes
extends Object

Bytes class.

Field Summary

Fields

Modifier and Type	Field	Description
static Int	TWO_WEEKS	Constant TWO_WEEKS

Method Summary

Modifier and Type	Method	Description
static byte[]	add(byte[][] bytesArray)	add.
static byte[]	add(byte[] a, byte[] b)	add.
static byte[]	bitFieldToBytes(byte[] bitField)	bitFieldToBytes.
static Int	bitsToTarget(byte[] bits)	Turns bits into a target (large 256-bit integer)
static String	byteArrayToHexString(byte[] bytes)	byteArrayToHexString.
static String	byteArrayToString(byte[] bytes)	byteArrayToString.
static byte[]	bytesToBitField(byte[] someBytes)	bytesToBitField.
static byte[]	calculateNewBits(byte[] previousBits, Int timeDifferential)	Calculates the new bits given a 2016-block time differential and the previous bits
static byte[]	changeOrder(byte[] bytes)	Change the order from big to little endian and vice versa
static byte[]	hexStringToByteArray(String s)	hexStringToByteArray.
static byte[]	initFill(int length, byte filler)	initFill.
static byte[]	log(byte[] bytes)	Deprecated. temp use only
static byte[]	lstrip(byte[] bytes, byte bite)	Strip leading
static byte[]	randomBytes(int length)	randomBytes.
static byte[]	read(ByteArrayInputStream stream, int len)	read.
static byte[]	strip(byte[] bytes, byte bite)	Strip trailing
static byte[]	targetToBits(Int target)	Turns a target integer back into bits, which is 4 bytes
static byte[]	xor(byte[] b0, byte[] b1)	xor.

Methods inherited from class java.lang.Object

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

Field Detail

TWO_WEEKS

public static final Int TWO_WEEKS

Constant TWO_WEEKS

Method Detail

lstrip

public static byte[] lstrip(byte[] bytes,
                            byte bite)

Strip leading

Parameters:

bytes - an array of byte objects

bite - a byte

Returns:

an array of byte objects

strip

public static byte[] strip(byte[] bytes,
                           byte bite)

Strip trailing

Parameters:

bytes - an array of byte objects

bite - a byte

Returns:

an array of byte objects

initFill

public static byte[] initFill(int length,
                              byte filler)

initFill.

Parameters:

length - a int

filler - a byte

Returns:

an array of byte objects

add

public static byte[] add(byte[] a,
                         byte[] b)

add.

Parameters:

a - an array of byte objects

b - an array of byte objects

Returns:

an array of byte objects

add

public static byte[] add(byte[][] bytesArray)

add.

Parameters:

bytesArray - an array of byte objects

Returns:

an array of byte objects

changeOrder

public static byte[] changeOrder(byte[] bytes)

Change the order from big to little endian and vice versa

Parameters:

bytes - an array of byte objects

Returns:

an array of byte objects

read

public static byte[] read(ByteArrayInputStream stream,
                          int len)

read.

Parameters:

stream - a ByteArrayInputStream object

len - a int

Returns:

an array of byte objects

hexStringToByteArray

public static byte[] hexStringToByteArray(String s)

hexStringToByteArray.

Parameters:

s - a String object

Returns:

an array of byte objects

byteArrayToHexString

public static String byteArrayToHexString(byte[] bytes)

byteArrayToHexString.

Parameters:

bytes - an array of byte objects

Returns:

a String object

byteArrayToString

public static String byteArrayToString(byte[] bytes)

byteArrayToString.

Parameters:

bytes - an array of byte objects

Returns:

a String object

bitsToTarget

public static Int bitsToTarget(byte[] bits)

Turns bits into a target (large 256-bit integer)

Parameters:

bits - an array of byte objects

Returns:

a Int object

targetToBits

public static byte[] targetToBits(Int target)

Turns a target integer back into bits, which is 4 bytes

Parameters:

target - a Int object

Returns:

an array of byte objects

calculateNewBits

public static byte[] calculateNewBits(byte[] previousBits,
                                      Int timeDifferential)

Calculates the new bits given a 2016-block time differential and the previous bits

Parameters:

previousBits - an array of byte objects

timeDifferential - a Int object

Returns:

an array of byte objects

bitFieldToBytes

public static byte[] bitFieldToBytes(byte[] bitField)

bitFieldToBytes.

Parameters:

bitField - an array of byte objects

Returns:

an array of byte objects

bytesToBitField

public static byte[] bytesToBitField(byte[] someBytes)

bytesToBitField.

Parameters:

someBytes - an array of byte objects

Returns:

an array of byte objects

xor

public static byte[] xor(byte[] b0,
                         byte[] b1)

xor.

Parameters:

b0 - a byte array

b1 - a byte array

Returns:

an byte array

randomBytes

public static byte[] randomBytes(int length)

randomBytes.

Parameters:

length - a int

Returns:

an array of byte objects

log

@Deprecated(since="0")
public static byte[] log(byte[] bytes)

Deprecated.

temp use only

log.

Parameters:

bytes - an array of byte objects

Returns:

an array of byte objects