Package org.nervos.muta.util

Class Util

java.lang.Object

org.nervos.muta.util.Util

public class Util
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field	Description
static java.security.SecureRandom	SECURE_RANDOM

Constructor Summary

Constructors

Constructor	Description
Util()

Method Summary

Modifier and Type	Method	Description
static byte[]	bigIntegerToBytes32(java.math.BigInteger input)
static byte[]	generateRandom32Bytes()
static java.lang.String	generateRandom32BytesHex()
static void	isValidHex(java.lang.String input)
static byte[]	keccak256(byte[] input)
static java.lang.String	remove0x(java.lang.String input)
static java.lang.String	start0x(java.lang.String input)

Methods inherited from class java.lang.Object

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

Field Detail

SECURE_RANDOM

public static final java.security.SecureRandom SECURE_RANDOM

Constructor Detail

Util

public Util()

Method Detail

keccak256

public static byte[] keccak256(byte[] input)

generateRandom32Bytes

public static byte[] generateRandom32Bytes()

generateRandom32BytesHex

public static java.lang.String generateRandom32BytesHex()

start0x

public static java.lang.String start0x(java.lang.String input)

remove0x

public static java.lang.String remove0x(java.lang.String input)

isValidHex

public static void isValidHex(java.lang.String input)

bigIntegerToBytes32

public static byte[] bigIntegerToBytes32(java.math.BigInteger input)