hash

package

v0.0.0-...-b9de21a Latest Latest Go to latest Published: Jun 11, 2019 License: LGPL-3.0 Imports: 6 Imported by: 31

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Repository

github.com/fletaio/common

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Documentation ¶

Constants ¶

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const Hash256Size = 32

Hash256Size is 32 bytes

Variables ¶

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var (
	ErrInvalidHashSize   = errors.New("invalid hash size")
	ErrInvalidHashFormat = errors.New("invalid hash format")
)

hash256 errors

Functions ¶

This section is empty.

Types ¶

type Hash256 ¶

type Hash256 [Hash256Size]byte

Hash256 is the [Hash256Size]byte with methods

func DoubleHash ¶

func DoubleHash(data []byte) Hash256

DoubleHash returns the result of Hash(Hash(data))

func DoubleHashByWriterTo ¶

func DoubleHashByWriterTo(w io.WriterTo) Hash256

DoubleHashByWriterTo returns the result of Hash(io.Writer)

func Hash ¶

func Hash(data []byte) Hash256

Hash returns the Hash256 value of the data

func MustParseHash ¶

func MustParseHash(str string) Hash256

MustParseHash panic when error occurred

func MustParseHex ¶

func MustParseHex(str string) Hash256

MustParseHex panics when parsing fails.

func ParseHash ¶

func ParseHash(str string) (Hash256, error)

ParseHash parse the hash from the string

func ParseHex ¶

func ParseHex(str string) (Hash256, error)

ParseHex parses the Hash256 from the hex string

func TwoHash ¶

func TwoHash(h1 Hash256, h2 Hash256) Hash256

TwoHash returns the result of Hash(h1,'h',h2)

func (Hash256) Equal ¶

func (hash Hash256) Equal(h Hash256) bool

Equal checks that two values is same or not

func (Hash256) MarshalJSON ¶

func (hash Hash256) MarshalJSON() ([]byte, error)

MarshalJSON is a marshaler function

func (*Hash256) ReadFrom ¶

func (hash *Hash256) ReadFrom(r io.Reader) (int64, error)

ReadFrom is a desereialization function

func (Hash256) String ¶

func (hash Hash256) String() string

String returns the hex string of the hash

func (*Hash256) UnmarshalJSON ¶

func (hash *Hash256) UnmarshalJSON(bs []byte) error

UnmarshalJSON is a unmarshaler function

func (Hash256) WriteTo ¶

func (hash Hash256) WriteTo(w io.Writer) (int64, error)

WriteTo is a sereialization function

Source Files ¶

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