common

package module
v0.0.0-...-b9de21a Latest Latest
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 Go to latest Published: Jun 11, 2019 License: LGPL-3.0 Imports: 11 Imported by: 43

Documentation

Index

Constants

View Source 
const AddressSize = 14

AddressSize is 14 bytes

View Source 
const CoordinateSize = 6

CoordinateSize is 6 bytes

View Source 
const PublicHashSize = 31

PublicHashSize is 31 bytes

View Source 
const PublicKeySize = 33

PublicKeySize is 33 bytes

View Source 
const SignatureSize = 65

SignatureSize is 65 bytes

Variables

View Source 
var (
	ErrInvalidAddressFormat         = errors.New("invalid address format")
	ErrInvalidAddressCheckSum       = errors.New("invalid address checksum")
	ErrInvalidCoordinateFormat      = errors.New("invalid coordinate format")
	ErrInvalidCoordinateBytesLength = errors.New("invalid coordinate bytes length")
	ErrInvalidSignatureFormat       = errors.New("invalid signature format")
	ErrInvalidSignature             = errors.New("invalid signature")
	ErrInvalidPublicKeyFormat       = errors.New("invalid public key format")
	ErrInvalidPublicHash            = errors.New("invalid public hash")
	ErrInvalidPublicHashFormat      = errors.New("invalid public hash format")
	ErrInsufficientSignature        = errors.New("insufficient signature")
	ErrDuplicatedSignature          = errors.New("duplicated signature")
)

common errors

Functions

func ValidateSignaturesMajority 

func ValidateSignaturesMajority(signedHash hash.Hash256, sigs []Signature, KeyMap map[PublicHash]bool) error

ValidateSignaturesMajority validates signatures with the signed hash and checks majority

func VerifySignature 

func VerifySignature(pubkey PublicKey, h hash.Hash256, sig Signature) error

VerifySignature checks the signature with the public key and the hash value

Types

type Address 

type Address [AddressSize]byte

Address is the [AddressSize]byte with methods

func MustParseAddress 

func MustParseAddress(str string) Address

MustParseAddress panic when error occurred

func NewAddress 

func NewAddress(accCoord *Coordinate, nonce uint64) Address

NewAddress returns a Address by the AccountCoordinate, by the nonce

func ParseAddress 

func ParseAddress(str string) (Address, error)

ParseAddress parse the address from the string

func (Address) Checksum 

func (addr Address) Checksum() byte

Checksum returns the checksum byte

func (Address) Clone 

func (addr Address) Clone() Address

Clone returns the clonend value of it

func (Address) Coordinate 

func (addr Address) Coordinate() *Coordinate

Coordinate returns the coordinate of the address

func (Address) Equal 

func (addr Address) Equal(b Address) bool

Equal checks that two values is same or not

func (Address) MarshalJSON 

func (addr Address) MarshalJSON() ([]byte, error)

MarshalJSON is a marshaler function

func (*Address) ReadFrom 

func (addr *Address) ReadFrom(r io.Reader) (int64, error)

ReadFrom is a deserialization function

func (Address) String 

func (addr Address) String() string

String returns a base58 value of the address

func (*Address) UnmarshalJSON 

func (addr *Address) UnmarshalJSON(bs []byte) error

UnmarshalJSON is a unmarshaler function

func (Address) WithNonce 

func (addr Address) WithNonce(nonce uint64) Address

WithNonce returns derive the address using the nonce

func (Address) WriteTo 

func (addr Address) WriteTo(w io.Writer) (int64, error)

WriteTo is a serialization function

type Coordinate 

type Coordinate struct {
	Height uint32
	Index  uint16
}

Coordinate is (BlockHeight, TransactionIndexOfTheBlock)

func MustParseCoordinate 

func MustParseCoordinate(str string) *Coordinate

MustParseCoordinate panic when error occurred

func NewCoordinate 

func NewCoordinate(Height uint32, Index uint16) *Coordinate

NewCoordinate returns a Coordinate

func NewCoordinateByID 

func NewCoordinateByID(id uint64) *Coordinate

NewCoordinateByID returns a Coordinate using compacted id

func ParseCoordinate 

func ParseCoordinate(str string) (*Coordinate, error)

ParseCoordinate parse the public hash from the string

func (*Coordinate) Bytes 

func (crd *Coordinate) Bytes() []byte

Bytes returns a byte array

func (*Coordinate) Clone 

func (crd *Coordinate) Clone() *Coordinate

Clone returns the clonend value of it

func (*Coordinate) Equal 

func (crd *Coordinate) Equal(b *Coordinate) bool

Equal checks that two values is same or not

func (*Coordinate) ID 

func (crd *Coordinate) ID() uint64

ID returns a compacted id

func (*Coordinate) MarshalJSON 

func (crd *Coordinate) MarshalJSON() ([]byte, error)

MarshalJSON is a marshaler function

func (*Coordinate) ReadFrom 

func (crd *Coordinate) ReadFrom(r io.Reader) (int64, error)

ReadFrom is a deserialization function

func (*Coordinate) SetBytes 

func (crd *Coordinate) SetBytes(bs []byte) error

SetBytes updates the coordinate using given bytes

func (*Coordinate) String 

func (crd *Coordinate) String() string

String returns a hex value of the byte array

func (*Coordinate) UnmarshalJSON 

func (crd *Coordinate) UnmarshalJSON(bs []byte) error

UnmarshalJSON is a unmarshaler function

func (*Coordinate) WriteTo 

func (crd *Coordinate) WriteTo(w io.Writer) (int64, error)

WriteTo is a serialization function

type PublicHash 

type PublicHash [PublicHashSize]byte

PublicHash is the [PublicHashSize]byte with methods

func MustParsePublicHash 

func MustParsePublicHash(str string) PublicHash

MustParsePublicHash panic when error occurred

func NewPublicHash 

func NewPublicHash(pubkey PublicKey) PublicHash

NewPublicHash returns the PublicHash of the pubkey

func ParsePublicHash 

func ParsePublicHash(str string) (PublicHash, error)

ParsePublicHash parse the public hash from the string

func (PublicHash) Clone 

func (pubhash PublicHash) Clone() PublicHash

Clone returns the clonend value of it

func (PublicHash) Equal 

func (pubhash PublicHash) Equal(b PublicHash) bool

Equal checks that two values is same or not

func (PublicHash) Less 

func (pubhash PublicHash) Less(b PublicHash) bool

Less returns the value is less or not

func (PublicHash) MarshalJSON 

func (pubhash PublicHash) MarshalJSON() ([]byte, error)

MarshalJSON is a marshaler function

func (*PublicHash) ReadFrom 

func (pubhash *PublicHash) ReadFrom(r io.Reader) (int64, error)

ReadFrom is a deserialization function

func (PublicHash) String 

func (pubhash PublicHash) String() string

String returns a base58 value of the public hash

func (*PublicHash) UnmarshalJSON 

func (pubhash *PublicHash) UnmarshalJSON(bs []byte) error

UnmarshalJSON is a unmarshaler function

func (PublicHash) WriteTo 

func (pubhash PublicHash) WriteTo(w io.Writer) (int64, error)

WriteTo is a serialization function

type PublicKey 

type PublicKey [PublicKeySize]byte

PublicKey is the [PublicKeySize]byte with methods

func MustParsePublicKey 

func MustParsePublicKey(str string) PublicKey

MustParsePublicKey panic when error occurred

func ParsePublicKey 

func ParsePublicKey(str string) (PublicKey, error)

ParsePublicKey parse the public hash from the string

func RecoverPubkey 

func RecoverPubkey(h hash.Hash256, sig Signature) (PublicKey, error)

RecoverPubkey recover the public key using the hash value and the signature

func (PublicKey) Checksum 

func (pubkey PublicKey) Checksum() byte

Checksum returns the checksum byte

func (PublicKey) Clone 

func (pubkey PublicKey) Clone() PublicKey

Clone returns the clonend value of it

func (PublicKey) Equal 

func (pubkey PublicKey) Equal(b PublicKey) bool

Equal checks that two values is same or not

func (PublicKey) MarshalJSON 

func (pubkey PublicKey) MarshalJSON() ([]byte, error)

MarshalJSON is a marshaler function

func (*PublicKey) ReadFrom 

func (pubkey *PublicKey) ReadFrom(r io.Reader) (int64, error)

ReadFrom is a deserialization function

func (PublicKey) String 

func (pubkey PublicKey) String() string

String returns the hex string of the public key

func (*PublicKey) UnmarshalJSON 

func (pubkey *PublicKey) UnmarshalJSON(bs []byte) error

UnmarshalJSON is a unmarshaler function

func (PublicKey) WriteTo 

func (pubkey PublicKey) WriteTo(w io.Writer) (int64, error)

WriteTo is a serialization function

type Signature 

type Signature [SignatureSize]byte

Signature is the [SignatureSize]byte with methods

func MustParseSignature 

func MustParseSignature(str string) Signature

MustParseSignature panic when error occurred

func ParseSignature 

func ParseSignature(str string) (Signature, error)

ParseSignature parse the public hash from the string

func (Signature) Clone 

func (sig Signature) Clone() Signature

Clone returns the clonend value of it

func (Signature) Equal 

func (sig Signature) Equal(b Signature) bool

Equal checks that two values is same or not

func (Signature) MarshalJSON 

func (sig Signature) MarshalJSON() ([]byte, error)

MarshalJSON is a marshaler function

func (*Signature) ReadFrom 

func (sig *Signature) ReadFrom(r io.Reader) (int64, error)

ReadFrom is a deserialization function

func (Signature) String 

func (sig Signature) String() string

String returns the hex string of the signature

func (*Signature) UnmarshalJSON 

func (sig *Signature) UnmarshalJSON(bs []byte) error

UnmarshalJSON is a unmarshaler function

func (Signature) WriteTo 

func (sig Signature) WriteTo(w io.Writer) (int64, error)

WriteTo is a serialization function

Source Files

View all Source files

Directories

Path Synopsis
ethereum/crypto
ethereum/crypto/secp256k1
Package secp256k1 wraps the bitcoin secp256k1 C library.
 Package secp256k1 wraps the bitcoin secp256k1 C library.
ethereum/crypto/sha3
Package sha3 implements the SHA-3 fixed-output-length hash functions and the SHAKE variable-output-length hash functions defined by FIPS-202.
 Package sha3 implements the SHA-3 fixed-output-length hash functions and the SHAKE variable-output-length hash functions defined by FIPS-202.

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