utils

package

v0.0.0-...-25c57ca Latest Latest Go to latest Published: Jan 17, 2018 License: BSD-2-Clause Imports: 9 Imported by: 0

Details

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Repository

github.com/btccom/copernicus

Links

Open Source Insights

Documentation ¶

Index ¶

Constants
func DecodeHash(src string) (bytes []byte, err error)
func DecodeVariableLengthInteger(raw []byte) (cnt int, cntSize int)
func GetUint64FromReder(r io.Reader) (uint64, error)
func RandomUint64() (uint64, error)
func ReadVarBytes(r io.Reader, size uint32, maxAllowed uint32, fieldName string) ([]byte, error)
func ReadVarInt(r io.Reader, size uint32) (uint64, error)
func ReadVarString(r io.Reader, size uint32) (string, error)
func ToHash256String(data []byte) string
func ToHexString(data []byte) string
func VarIntSerializeSize(val uint64) int
func WriteVarBytes(w io.Writer, size uint32, bytes []byte) error
func WriteVarInt(w io.Writer, size uint32, val uint64) error
func WriteVarString(w io.Writer, size uint32, str string) error
type BinaryFreeList
- func (b BinaryFreeList) BorrowFront8() (buf []byte)
- func (b BinaryFreeList) PutUint16(w io.Writer, byteOrder binary.ByteOrder, val uint16) error
- func (b BinaryFreeList) PutUint32(w io.Writer, byteOrder binary.ByteOrder, val uint32) error
- func (b BinaryFreeList) PutUint64(w io.Writer, byteOrder binary.ByteOrder, val uint64) error
- func (b BinaryFreeList) PutUint8(w io.Writer, val uint8) error
- func (b BinaryFreeList) Return(buf []byte)
- func (b BinaryFreeList) Uint16(r io.Reader, byteOrder binary.ByteOrder) (uint16, error)
- func (b BinaryFreeList) Uint32(r io.Reader, byteOrder binary.ByteOrder) (uint32, error)
- func (b BinaryFreeList) Uint64(r io.Reader, byteOrder binary.ByteOrder) (uint64, error)
- func (b BinaryFreeList) Uint8(r io.Reader) (uint8, error)
type Hash
- func BytesToHash(bytes []byte) (hash *Hash, err error)
- func GetHashFromStr(hashStr string) (hash *Hash, err error)
- func HashFromString(hexString string) *Hash
- func (hash *Hash) GetCloneBytes() []byte
- func (hash *Hash) IsEqual(target *Hash) bool
- func (hash *Hash) SetBytes(bytes []byte) error
- func (hash *Hash) ToString() string
type HashFunc
type LookupFunc

Constants ¶

View Source

const (
	IoMaxSize = 1024
	MaxSize   = 0x02000000
)

View Source

const (
	HashSize          = 32
	MaxHashStringSize = HashSize * 2
)

Variables ¶

This section is empty.

Functions ¶

func DecodeHash ¶

func DecodeHash(src string) (bytes []byte, err error)

func DecodeVariableLengthInteger ¶

func DecodeVariableLengthInteger(raw []byte) (cnt int, cntSize int)

func GetUint64FromReder ¶

func GetUint64FromReder(r io.Reader) (uint64, error)

func RandomUint64 ¶

func RandomUint64() (uint64, error)

func ReadVarBytes ¶

func ReadVarBytes(r io.Reader, size uint32, maxAllowed uint32, fieldName string) ([]byte, error)

func ReadVarInt ¶

func ReadVarInt(r io.Reader, size uint32) (uint64, error)

func ReadVarString ¶

func ReadVarString(r io.Reader, size uint32) (string, error)

func ToHash256String ¶

func ToHash256String(data []byte) string

func ToHexString ¶

func ToHexString(data []byte) string

func VarIntSerializeSize ¶

func VarIntSerializeSize(val uint64) int

func WriteVarBytes ¶

func WriteVarBytes(w io.Writer, size uint32, bytes []byte) error

func WriteVarInt ¶

func WriteVarInt(w io.Writer, size uint32, val uint64) error

func WriteVarString ¶

func WriteVarString(w io.Writer, size uint32, str string) error

Types ¶

type BinaryFreeList ¶

type BinaryFreeList chan []byte

var BinarySerializer BinaryFreeList = make(chan []byte, IoMaxSize)

func (BinaryFreeList) BorrowFront8 ¶

func (b BinaryFreeList) BorrowFront8() (buf []byte)

func (BinaryFreeList) PutUint16 ¶

func (b BinaryFreeList) PutUint16(w io.Writer, byteOrder binary.ByteOrder, val uint16) error

func (BinaryFreeList) PutUint32 ¶

func (b BinaryFreeList) PutUint32(w io.Writer, byteOrder binary.ByteOrder, val uint32) error

func (BinaryFreeList) PutUint64 ¶

func (b BinaryFreeList) PutUint64(w io.Writer, byteOrder binary.ByteOrder, val uint64) error

func (BinaryFreeList) PutUint8 ¶

func (b BinaryFreeList) PutUint8(w io.Writer, val uint8) error

func (BinaryFreeList) Return ¶

func (b BinaryFreeList) Return(buf []byte)

Return puts the provided byte slice back on the free list. The buffer MUST have been obtained via the Borrow function and therefore have a cap of 8.

func (BinaryFreeList) Uint16 ¶

func (b BinaryFreeList) Uint16(r io.Reader, byteOrder binary.ByteOrder) (uint16, error)

func (BinaryFreeList) Uint32 ¶

func (b BinaryFreeList) Uint32(r io.Reader, byteOrder binary.ByteOrder) (uint32, error)

func (BinaryFreeList) Uint64 ¶

func (b BinaryFreeList) Uint64(r io.Reader, byteOrder binary.ByteOrder) (uint64, error)

func (BinaryFreeList) Uint8 ¶

func (b BinaryFreeList) Uint8(r io.Reader) (uint8, error)

type Hash ¶

type Hash [HashSize]byte

func BytesToHash ¶

func BytesToHash(bytes []byte) (hash *Hash, err error)

func GetHashFromStr ¶

func GetHashFromStr(hashStr string) (hash *Hash, err error)

func HashFromString ¶

func HashFromString(hexString string) *Hash

func (*Hash) GetCloneBytes ¶

func (hash *Hash) GetCloneBytes() []byte

func (*Hash) IsEqual ¶

func (hash *Hash) IsEqual(target *Hash) bool

func (*Hash) SetBytes ¶

func (hash *Hash) SetBytes(bytes []byte) error

func (*Hash) ToString ¶

func (hash *Hash) ToString() string

type HashFunc ¶

type HashFunc func() (hash *Hash, height int32, err error)

type LookupFunc ¶

type LookupFunc func(string) ([]net.IP, error)

Source Files ¶

View all Source files

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