org.brewchain.sdk.contract.abi.util

类 Integers

java.lang.Object

org.brewchain.sdk.contract.abi.util.Integers

public final class Integers
extends java.lang.Object

嵌套类概要

嵌套类

限定符和类型	类和说明
static class	Integers.UintType Use new UintType(8) for uint8 et cetera.

构造器概要

构造器

构造器和说明
Integers()

方法概要

限定符和类型	方法和说明
static int	getInt(byte[] buffer, int i, int len) Retrieves an integer up to four bytes in length.
static long	getLong(byte[] buffer, int i, int len) Retrieves an integer up to eight bytes in length.
static long	packUnsigned(long unsigned, Integers.UintType uintType)
static java.math.BigInteger	toSigned(java.math.BigInteger unsigned, Integers.UintType uintType)
static java.math.BigInteger	toUnsigned(java.math.BigInteger signed, Integers.UintType uintType)
static long	unpackUnsigned(long signed, Integers.UintType uintType)

从类继承的方法 java.lang.Object

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

构造器详细资料

Integers

public Integers()

方法详细资料

getInt

public static int getInt(byte[] buffer,
                         int i,
                         int len)

Retrieves an integer up to four bytes in length. Big-endian two's complement format.

参数:

buffer - the array containing the integer's representation

i - the array index locating the integer

len - the length in bytes of the integer's representation

返回:

the integer

getLong

public static long getLong(byte[] buffer,
                           int i,
                           int len)

Retrieves an integer up to eight bytes in length. Big-endian two's complement format.

参数:

buffer - the array containing the integer's representation

i - the array index locating the integer

len - the length in bytes of the integer's representation

返回:

the integer

packUnsigned

public static long packUnsigned(long unsigned,
                                Integers.UintType uintType)

unpackUnsigned

public static long unpackUnsigned(long signed,
                                  Integers.UintType uintType)

toSigned

public static java.math.BigInteger toSigned(java.math.BigInteger unsigned,
                                            Integers.UintType uintType)

toUnsigned

public static java.math.BigInteger toUnsigned(java.math.BigInteger signed,
                                              Integers.UintType uintType)