types

package
v0.4.0 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Nov 23, 2018 License: MIT Imports: 13 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	MaxBlockTxesNum   = 99999
	TxMerkleTreeDepth = 10
)
View Source 
const (
	BlockPositionOffset = 100000 // must be greater than MaxBlockTxesNum
	TxPositionOffset    = 10000  // must be greater than TxElementsNum
)
View Source 
const (
	SignatureLength = 65 // bytes
)
View Source 
const (
	TxElementsNum = 2
)

Variables

View Source 
var (
	ErrInvalidTxIndex           = errors.New("tx index is invalid")
	ErrBlockTxesNumExceedsLimit = errors.New("block txes num exceeds the limit")
)
View Source 
var (
	ErrInvalidTxInIndex  = fmt.Errorf("txin index must be less than %d", TxElementsNum)
	ErrInvalidTxOutIndex = fmt.Errorf("txout index must be less than %d", TxElementsNum)
)
View Source 
var (
	ErrInvalidSignatureLength = fmt.Errorf("signature must be %d bytes", SignatureLength)
)
View Source 
var (
	NullAddress = common.Address{
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	}
)
View Source 
var (
	NullHash = common.Hash{
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00,
	}
)
View Source 
var (
	NullSignature = Signature{
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00,
	}
)

Functions

func ParseTxInPosition 

func ParseTxInPosition(pos Position) (uint64, uint64, uint64)

func ParseTxOutPosition 

func ParseTxOutPosition(pos Position) (uint64, uint64, uint64)

func ParseTxPosition 

func ParseTxPosition(pos Position) (blkNum, txIndex uint64)

func PositionToBytes 

func PositionToBytes(pos Position) []byte

Types

type Account 

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

func NewAccount 

func NewAccount(privKey *ecdsa.PrivateKey) *Account

func (*Account) Address 

func (a *Account) Address() common.Address

func (*Account) Sign 

func (a *Account) Sign(h common.Hash) ([]byte, error)

func (*Account) TransactOpts 

func (a *Account) TransactOpts() *bind.TransactOpts

type Block 

type Block struct {
	*BlockHeader
	Txes []*Tx `json:"txes"`
}

func NewBlock 

func NewBlock(txes []*Tx, blkNum uint64) (*Block, error)

func (*Block) AddTx 

func (blk *Block) AddTx(tx *Tx) error

func (*Block) Encode 

func (blk *Block) Encode() ([]byte, error)

func (*Block) GetTx 

func (blk *Block) GetTx(txIndex uint64) *Tx

func (*Block) Hash 

func (blk *Block) Hash() (common.Hash, error)

func (*Block) IsExistTx 

func (blk *Block) IsExistTx(txIndex uint64) bool

func (*Block) MerkleTree 

func (blk *Block) MerkleTree() (*merkle.Tree, error)

func (*Block) Root 

func (blk *Block) Root() (common.Hash, error)

func (*Block) Sign 

func (blk *Block) Sign(signer *Account) error

func (*Block) SignerAddress 

func (blk *Block) SignerAddress() (common.Address, error)

type BlockHeader 

type BlockHeader struct {
	Number    uint64
	Signature Signature
}

type Exit 

type Exit struct {
	Owner     common.Address `json:"owner"`
	Amount    *big.Int       `json:"amount"`
	IsStarted bool           `json:"started"`
	IsValid   bool           `json:"valid"`
}

type Position 

type Position uint64

func BytesToPosition 

func BytesToPosition(b []byte) (Position, error)

func NewTxInPosition 

func NewTxInPosition(blkNum, txIndex, inIndex uint64) Position

func NewTxOutPosition 

func NewTxOutPosition(blkNum, txIndex, outIndex uint64) Position

func NewTxPosition 

func NewTxPosition(blkNum, txIndex uint64) Position

func StrToPosition 

func StrToPosition(s string) (Position, error)

func (Position) Bytes 

func (pos Position) Bytes() []byte

func (Position) Uint64 

func (pos Position) Uint64() uint64

type Signature 

type Signature [SignatureLength]byte

func BytesToSignature 

func BytesToSignature(b []byte) (Signature, error)

func HexToSignature 

func HexToSignature(s string) (Signature, error)

func (Signature) Bytes 

func (sig Signature) Bytes() []byte

func (Signature) Hex 

func (sig Signature) Hex() string

func (Signature) IsNull 

func (sig Signature) IsNull() bool

func (Signature) MarshalText 

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

func (Signature) SignerAddress 

func (sig Signature) SignerAddress(h common.Hash) (common.Address, error)

type Tx 

type Tx struct {
	Inputs  [TxElementsNum]*TxIn  `json:"ins"`
	Outputs [TxElementsNum]*TxOut `json:"outs"`
}

func NewTx 

func NewTx() *Tx

func (*Tx) Confirm 

func (tx *Tx) Confirm(inIndex uint64, signer *Account) error

func (*Tx) ConfirmationHash 

func (tx *Tx) ConfirmationHash() (common.Hash, error)

func (*Tx) ConfirmationSignaturesBytes 

func (tx *Tx) ConfirmationSignaturesBytes() ([]byte, error)

func (*Tx) ConfirmationSignerAddress 

func (tx *Tx) ConfirmationSignerAddress(inIndex uint64) (common.Address, error)

func (*Tx) Encode 

func (tx *Tx) Encode() ([]byte, error)

func (*Tx) ExitOutput added in v0.2.0 

func (tx *Tx) ExitOutput(outIndex uint64) error

func (*Tx) GetInput 

func (tx *Tx) GetInput(inIndex uint64) *TxIn

func (*Tx) GetOutput 

func (tx *Tx) GetOutput(outIndex uint64) *TxOut

func (*Tx) Hash 

func (tx *Tx) Hash() (common.Hash, error)

func (*Tx) IsExistInput 

func (tx *Tx) IsExistInput(inIndex uint64) bool

func (*Tx) IsExistOutput 

func (tx *Tx) IsExistOutput(outIndex uint64) bool

func (*Tx) MerkleLeaf 

func (tx *Tx) MerkleLeaf() ([]byte, error)

func (*Tx) RestoreOutput added in v0.4.0 

func (tx *Tx) RestoreOutput(outIndex uint64) error

func (*Tx) SetConfirmationSignature 

func (tx *Tx) SetConfirmationSignature(inIndex uint64, confSig Signature) error

func (*Tx) SetInput 

func (tx *Tx) SetInput(inIndex uint64, txIn *TxIn) error

func (*Tx) SetOutput 

func (tx *Tx) SetOutput(outIndex uint64, txOut *TxOut) error

func (*Tx) Sign 

func (tx *Tx) Sign(inIndex uint64, signer *Account) error

func (*Tx) SignaturesBytes 

func (tx *Tx) SignaturesBytes() ([]byte, error)

func (*Tx) SignerAddress 

func (tx *Tx) SignerAddress(inIndex uint64) (common.Address, error)

func (*Tx) SpendOutput 

func (tx *Tx) SpendOutput(outIndex uint64) error

type TxIn 

type TxIn struct {
	*TxInCore
	Signature             Signature `json:"sig"`
	ConfirmationSignature Signature `json:"confsig"`
}

func NewTxIn 

func NewTxIn(blkNum, txIndex, outIndex uint64) *TxIn

func (*TxIn) IsNull 

func (txIn *TxIn) IsNull() bool

type TxInCore 

type TxInCore struct {
	BlockNumber uint64 `json:"blknum"`
	TxIndex     uint64 `json:"txindex"`
	OutputIndex uint64 `json:"oindex"`
}

type TxOut 

type TxOut struct {
	*TxOutCore
	IsSpent  bool `json:"spent"`
	IsExited bool `json:"exited"`
}

func NewTxOut 

func NewTxOut(ownerAddr common.Address, amount *big.Int) *TxOut

type TxOutCore 

type TxOutCore struct {
	OwnerAddress common.Address `json:"owner"`
	Amount       *big.Int       `json:"amount"`
}

Source Files

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