common

Documentation

Index

• Constants
• Variables
• func BigIntFromNeoBytes(ba []byte) *big.Int
• func BigIntToNeoBytes(data *big.Int) []byte
• func FileExisted(filename string) bool
• func GetCompactUint(buf []byte) (uint64, uint8)
• func GetNonce() uint64
• func HexToBytes(value string) ([]byte, error)
• func SafeAdd(x, y uint64) (uint64, bool)
• func SafeMul(x, y uint64) (uint64, bool)
• func SafeSub(x, y uint64) (uint64, bool)
• func SetCompactUint(num uint64) []byte
• func ToArrayReverse(arr []byte) []byte
• func ToHexString(data []byte) string
• type Address
  • func AddressFromBase58(encoded string) (Address, error)
  • func AddressFromHexString(s string) (Address, error)
  • func AddressParseFromBytes(f []byte) (Address, error)
  • func (self *Address) Deserialize(r io.Reader) error
  • func (self *Address) Serialize(w io.Writer) error
  • func (f *Address) ToBase58() string
  • func (self *Address) ToHexString() string
• type CompactUint
• type Fixed64
  • func FromDecimal(value int64) Fixed64
  • func (f *Fixed64) Deserialize(r io.Reader) error
  • func (f Fixed64) GetData() int64
  • func (f *Fixed64) Serialize(w io.Writer) error
  • func (f Fixed64) String() string
• type Inventory
• type InventoryType
• type LimitedWriter
  • func NewLimitedWriter(w io.Writer, max uint64) *LimitedWriter
  • func (self *LimitedWriter) Count() uint64
  • func (self *LimitedWriter) Write(buf []byte) (int, error)
• type Uint256
  • func ComputeMerkleRoot(hashes []Uint256) Uint256
  • func Uint256FromHexString(s string) (Uint256, error)
  • func Uint256ParseFromBytes(f []byte) (Uint256, error)
  • func (u *Uint256) Deserialize(r io.Reader) error
  • func (u *Uint256) Serialize(w io.Writer) error
  • func (u *Uint256) ToArray() []byte
  • func (u *Uint256) ToHexString() string

Constants

const ADDR_LEN = 20

const (
	Decimal = 100000000
)

const (
	MAX_UINT64 = math.MaxUint64
)

const UINT256_SIZE = 32

Variables

var ADDRESS_EMPTY = Address{}

var ErrWriteExceedLimitedCount = errors.New("writer exceed limited count")

var UINT256_EMPTY = Uint256{}

Functions

func BigIntFromNeoBytes

func BigIntFromNeoBytes(ba []byte) *big.Int

func BigIntToNeoBytes

func BigIntToNeoBytes(data *big.Int) []byte

func FileExisted

func FileExisted(filename string) bool

FileExisted checks whether filename exists in filesystem

func GetCompactUint

func GetCompactUint(buf []byte) (uint64, uint8)

func GetNonce

func GetNonce() uint64

GetNonce returns random nonce

func HexToBytes

func HexToBytes(value string) ([]byte, error)

HexToBytes convert hex string to []byte

func SafeAdd

func SafeAdd(x, y uint64) (uint64, bool)

func SafeMul

func SafeMul(x, y uint64) (uint64, bool)

func SafeSub

func SafeSub(x, y uint64) (uint64, bool)

func SetCompactUint

func SetCompactUint(num uint64) []byte

TODO Fix the return value to the correct number

func ToArrayReverse

func ToArrayReverse(arr []byte) []byte

func ToHexString

func ToHexString(data []byte) string

ToHexString convert []byte to hex string

Types

type Address

type Address [ADDR_LEN]byte

func AddressFromBase58

func AddressFromBase58(encoded string) (Address, error)

AddressFromBase58 returns Address from encoded base58 string

func AddressFromHexString

func AddressFromHexString(s string) (Address, error)

AddressParseFromHexString returns parsed Address

func AddressParseFromBytes

func AddressParseFromBytes(f []byte) (Address, error)

AddressParseFromBytes returns parsed Address

func (*Address) Deserialize

func (self *Address) Deserialize(r io.Reader) error

Deserialize deserialize Address from io.Reader

func (*Address) Serialize

func (self *Address) Serialize(w io.Writer) error

Serialize serialize Address into io.Writer

func (*Address) ToBase58

func (f *Address) ToBase58() string

ToBase58 returns base58 encoded address string

func (*Address) ToHexString

func (self *Address) ToHexString() string

ToHexString returns hex string representation of Address

type CompactUint

type CompactUint struct {
	// contains filtered or unexported fields
}

type Fixed64

type Fixed64 int64

the 64 bit fixed-point number, precise 10^-8

func FromDecimal

func FromDecimal(value int64) Fixed64

func (*Fixed64) Deserialize

func (f *Fixed64) Deserialize(r io.Reader) error

func (Fixed64) GetData

func (f Fixed64) GetData() int64

func (*Fixed64) Serialize

func (f *Fixed64) Serialize(w io.Writer) error

func (Fixed64) String

func (f Fixed64) String() string

type Inventory

type Inventory interface {
	//sig.SignableData
	Hash() Uint256
	Verify() error
	Type() InventoryType
}

TODO: temp inventory

type InventoryType

type InventoryType byte

const (
	TRANSACTION InventoryType = 0x01
	BLOCK       InventoryType = 0x02
	CONSENSUS   InventoryType = 0xe0
)

type LimitedWriter

type LimitedWriter struct {
	// contains filtered or unexported fields
}

func NewLimitedWriter

func NewLimitedWriter(w io.Writer, max uint64) *LimitedWriter

func (*LimitedWriter) Count

func (self *LimitedWriter) Count() uint64

Count function return counted bytes

func (*LimitedWriter) Write

func (self *LimitedWriter) Write(buf []byte) (int, error)

type Uint256

type Uint256 [UINT256_SIZE]byte

func ComputeMerkleRoot

func ComputeMerkleRoot(hashes []Uint256) Uint256

input a []uint256, create a merkleTree & calc the root hash

func Uint256FromHexString

func Uint256FromHexString(s string) (Uint256, error)

func Uint256ParseFromBytes

func Uint256ParseFromBytes(f []byte) (Uint256, error)

func (*Uint256) Deserialize

func (u *Uint256) Deserialize(r io.Reader) error

func (*Uint256) Serialize

func (u *Uint256) Serialize(w io.Writer) error

func (*Uint256) ToArray

func (u *Uint256) ToArray() []byte

func (*Uint256) ToHexString

func (u *Uint256) ToHexString() string