org.brewchain.sdk.contract.rlp

类 RLPEncoder

java.lang.Object

org.brewchain.sdk.contract.rlp.RLPEncoder

public final class RLPEncoder
extends java.lang.Object

Encodes data to RLP format.

构造器概要

构造器

构造器和说明
RLPEncoder()

方法概要

限定符和类型	方法和说明
static long	dataLen(KeyValuePair[] pairs)
static byte[]	encode(byte b) Returns the RLP encoding of the given byte.
static byte[]	encode(byte[] byteString) Returns the RLP encoding of the given byte string.
static byte[]	encodeAsList(java.lang.Iterable<?> elements) Returns the encoding of an RLP list item containing the encoded elements of the given Iterable in the given order.
static void	encodeAsList(java.lang.Iterable<?> elements, byte[] dest, int destIndex) Inserts the encoding of an RLP list item, containing the encoded elements of the Iterable in the given order, into the destination array.
static byte[]	encodeAsList(java.lang.Object... elements) Returns the encoding of an RLP list item containing the given objects, encoded.
static void	encodeAsList(java.lang.Object[] elements, byte[] dest, int destIndex) Inserts the encoding of an RLP list item, containing the encoded elements of the array in the given order, into the destination array.
static long	encodedLen(long val)
static byte[]	encodeSequentially(java.lang.Iterable<?> objects) Returns the concatenation of the encodings of the given objects in the given order.
static int	encodeSequentially(java.lang.Iterable<?> objects, byte[] dest, int destIndex) Inserts the concatenation of the encodings of the given objects in the given order into the destination array.
static byte[]	encodeSequentially(java.lang.Object... objects) Returns the concatenation of the encodings of the given objects in the given order.
static int	encodeSequentially(java.lang.Object[] objects, byte[] dest, int destIndex) Inserts the concatenation of the encodings of the given objects in the given order into the destination array.
static int	insertListPrefix(long dataLen, byte[] dest, int destIndex)
static void	insertRecordContentList(int dataLen, long seq, KeyValuePair[] pairs, byte[] record, int offset)
static int	insertRecordSignature(byte[] signature, byte[] record, int offset)
static int	prefixLength(long dataLen)
static RLPList	toList(java.lang.Iterable<RLPItem> encodings) Wraps n encodings in an RLPList.
static RLPList	toList(RLPItem... encodings) Wraps n encodings in an RLPList.

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

RLPEncoder

public RLPEncoder()

方法详细资料

encodedLen

public static long encodedLen(long val)

dataLen

public static long dataLen(KeyValuePair[] pairs)

prefixLength

public static int prefixLength(long dataLen)

insertListPrefix

public static int insertListPrefix(long dataLen,
                                   byte[] dest,
                                   int destIndex)

encode

public static byte[] encode(byte b)

Returns the RLP encoding of the given byte.

参数:

b - the byte to be encoded

返回:

the encoding

encode

public static byte[] encode(byte[] byteString)

Returns the RLP encoding of the given byte string.

参数:

byteString - the byte string to be encoded

返回:

the encoding

encodeSequentially

public static byte[] encodeSequentially(java.lang.Object... objects)

Returns the concatenation of the encodings of the given objects in the given order.

参数:

objects - the raw objects to be encoded in sequence

返回:

the encoded sequence

encodeSequentially

public static byte[] encodeSequentially(java.lang.Iterable<?> objects)

Returns the concatenation of the encodings of the given objects in the given order. The Iterable containing the objects is not encoded.

参数:

objects - the raw objects to be encoded

返回:

the encoded sequence

encodeSequentially

public static int encodeSequentially(java.lang.Object[] objects,
                                     byte[] dest,
                                     int destIndex)

Inserts the concatenation of the encodings of the given objects in the given order into the destination array. The array containing the objects is not encoded.

参数:

objects - the raw objects to be encoded

dest - the destination for the sequence of RLP encodings

destIndex - the index into dest for the sequence

返回:

the index into dest marking the end of the sequence

encodeSequentially

public static int encodeSequentially(java.lang.Iterable<?> objects,
                                     byte[] dest,
                                     int destIndex)

Inserts the concatenation of the encodings of the given objects in the given order into the destination array. The Iterable containing the objects is not encoded.

参数:

objects - the raw objects to be encoded

dest - the destination for the sequence of RLP encodings

destIndex - the index into the destination for the sequence

返回:

the index marking the end of the sequence

encodeAsList

public static byte[] encodeAsList(java.lang.Object... elements)

Returns the encoding of an RLP list item containing the given objects, encoded.

参数:

elements - the raw elements to be encoded as an RLP list item

返回:

the encoded RLP list item

encodeAsList

public static byte[] encodeAsList(java.lang.Iterable<?> elements)

Returns the encoding of an RLP list item containing the encoded elements of the given Iterable in the given order.

参数:

elements - the raw elements to be encoded as an RLP list item

返回:

the encoded RLP list item

encodeAsList

public static void encodeAsList(java.lang.Object[] elements,
                                byte[] dest,
                                int destIndex)

Inserts the encoding of an RLP list item, containing the encoded elements of the array in the given order, into the destination array.

参数:

elements - the raw elements to be encoded as an RLP list item

dest - the destination for the RLP encoding of the list

destIndex - the index into the destination for the list

encodeAsList

public static void encodeAsList(java.lang.Iterable<?> elements,
                                byte[] dest,
                                int destIndex)

Inserts the encoding of an RLP list item, containing the encoded elements of the Iterable in the given order, into the destination array.

参数:

elements - the raw elements to be encoded as an RLP list item

dest - the destination for the RLP encoding of the list

destIndex - the index into the destination for the list

toList

public static RLPList toList(RLPItem... encodings)

Wraps n encodings in an RLPList.

参数:

encodings - the RLP-encoded elements of the new RLPList

返回:

the RLPList containing the given elements

toList

public static RLPList toList(java.lang.Iterable<RLPItem> encodings)

Wraps n encodings in an RLPList.

参数:

encodings - the RLP-encoded elements of the new RLPList

返回:

the RLPList containing the given elements

insertRecordContentList

public static void insertRecordContentList(int dataLen,
                                           long seq,
                                           KeyValuePair[] pairs,
                                           byte[] record,
                                           int offset)

insertRecordSignature

public static int insertRecordSignature(byte[] signature,
                                        byte[] record,
                                        int offset)