hera.util

Class Base58Utils

java.lang.Object

hera.util.Base58Utils

public class Base58Utils
extends java.lang.Object

Base58 utils class. Encoding, decoding logic is copied from bitcoinj.

Field Summary

Fields

Modifier and Type	Field and Description
protected static char[]	BASE58_CHARS
protected static int	CHECKSUM_LEN
protected static char	ENCODED_ZERO
protected static int[]	INDEXES
protected static org.slf4j.Logger	logger

Constructor Summary

Constructors

Constructor and Description
Base58Utils()

Method Summary

Modifier and Type	Method and Description
protected static byte[]	calculateCheckSum(byte[] rawData) Calculate checksum with a rawData.
static byte[]	decode(java.lang.String input) Decodes the given base58 string into the original data bytes.
static byte[]	decodeWithCheck(java.lang.String encoded) Decode base58 string with checksum to byte array.
static java.lang.String	encode(byte[] input) Encodes the given bytes as a base58 string (no checksum is appended).
static java.lang.String	encodeWithCheck(byte[] rawData) Encode byte array to base58 with checksum.

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected static final org.slf4j.Logger logger

BASE58_CHARS

protected static final char[] BASE58_CHARS

ENCODED_ZERO

protected static final char ENCODED_ZERO

INDEXES

protected static final int[] INDEXES

CHECKSUM_LEN

protected static final int CHECKSUM_LEN

See Also:

Constant Field Values

Constructor Detail

Base58Utils

public Base58Utils()

Method Detail

encode

public static java.lang.String encode(byte[] input)

Encodes the given bytes as a base58 string (no checksum is appended).

Parameters:

input - the bytes to encode.

Returns:

the base58-encoded string. empty string if input is empty or null.

decode

public static byte[] decode(java.lang.String input)
                     throws java.io.IOException

Decodes the given base58 string into the original data bytes.

Parameters:

input - the base58-encoded string to decode

Returns:

the decoded data bytes. empty string if input is empty or null.

Throws:

java.io.IOException - when decoding failed

encodeWithCheck

public static java.lang.String encodeWithCheck(byte[] rawData)

Encode byte array to base58 with checksum.

Parameters:

rawData - raw byte array

Returns:

base58 encoded string with checksum. empty string if rawData is empty or null.

decodeWithCheck

public static byte[] decodeWithCheck(java.lang.String encoded)
                              throws java.io.IOException

Decode base58 string with checksum to byte array.

Parameters:

encoded - base58 encoded string

Returns:

decoded byte array. empty string if encoded is empty or null.

Throws:

java.io.IOException - when decoding failed

calculateCheckSum

protected static byte[] calculateCheckSum(byte[] rawData)

Calculate checksum with a rawData.

Parameters:

rawData - raw data

Returns:

calculated checksum