ledger

package
v0.0.1 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Sep 18, 2019 License: Apache-2.0 Imports: 21 Imported by: 0

Documentation

Index

Constants

View Source 
const BlockVersion uint32 = 0
View Source 
const GenesisNonce uint64 = 2083236893

Variables

View Source 
var StandbyBookKeepers []*crypto.PubKey

Functions

func GetBookKeeperAddress 

func GetBookKeeperAddress(bookKeepers []*crypto.PubKey) (Uint160, error)

Types

type Block 

type Block struct {
	Blockdata    *Blockdata
	Transactions []*tx.Transaction
	// contains filtered or unexported fields
}

func GenesisBlockInit 

func GenesisBlockInit(defaultBookKeeper []*crypto.PubKey) (*Block, error)

func (*Block) Deserialize 

func (b *Block) Deserialize(r io.Reader) error

func (*Block) FromTrimmedData 

func (b *Block) FromTrimmedData(r io.Reader) error

func (*Block) GetMessage 

func (b *Block) GetMessage() []byte

func (*Block) GetProgramHashes 

func (b *Block) GetProgramHashes() ([]Uint160, error)

func (*Block) GetPrograms 

func (b *Block) GetPrograms() []*program.Program

func (*Block) Hash 

func (b *Block) Hash() Uint256

func (*Block) RebuildMerkleRoot 

func (b *Block) RebuildMerkleRoot() error

func (*Block) Serialize 

func (b *Block) Serialize(w io.Writer) error

func (*Block) SerializeUnsigned 

func (bd *Block) SerializeUnsigned(w io.Writer) error

func (*Block) SetPrograms 

func (b *Block) SetPrograms(prog []*program.Program)

func (*Block) ToArray 

func (b *Block) ToArray() []byte

func (*Block) Trim 

func (b *Block) Trim(w io.Writer) error

func (*Block) Type 

func (b *Block) Type() InventoryType

func (*Block) Verify 

func (b *Block) Verify() error

type Blockchain 

type Blockchain struct {
	BlockHeight uint32
	BCEvents    *events.Event
	// contains filtered or unexported fields
}

func GenesisBlock 

func GenesisBlock(defBookKeeper []*crypto.PubKey) (*Blockchain, error)

func NewBlockchain 

func NewBlockchain(height uint32) *Blockchain

func (*Blockchain) AddBlock 

func (bc *Blockchain) AddBlock(block *Block) error

func (*Blockchain) ContainsTransaction 

func (bc *Blockchain) ContainsTransaction(hash Uint256) bool

func (*Blockchain) CurrentBlockHash 

func (bc *Blockchain) CurrentBlockHash() Uint256

func (*Blockchain) GetBookKeepers 

func (bc *Blockchain) GetBookKeepers() []*crypto.PubKey

func (*Blockchain) GetBookKeepersByTXs 

func (bc *Blockchain) GetBookKeepersByTXs(others []*tx.Transaction) []*crypto.PubKey

func (*Blockchain) GetHeader 

func (bc *Blockchain) GetHeader(hash Uint256) (*Header, error)

func (*Blockchain) SaveBlock 

func (bc *Blockchain) SaveBlock(block *Block) error

type Blockdata 

type Blockdata struct {
	Version          uint32
	PrevBlockHash    Uint256
	TransactionsRoot Uint256
	Timestamp        uint32
	Height           uint32
	ConsensusData    uint64
	NextBookKeeper   Uint160

	Program *program.Program
	// contains filtered or unexported fields
}

func (*Blockdata) Deserialize 

func (bd *Blockdata) Deserialize(r io.Reader) error

func (*Blockdata) DeserializeUnsigned 

func (bd *Blockdata) DeserializeUnsigned(r io.Reader) error

func (*Blockdata) GetMessage 

func (bd *Blockdata) GetMessage() []byte

func (*Blockdata) GetProgramHashes 

func (bd *Blockdata) GetProgramHashes() ([]Uint160, error)

func (*Blockdata) GetPrograms 

func (bd *Blockdata) GetPrograms() []*program.Program

func (*Blockdata) Hash 

func (bd *Blockdata) Hash() Uint256

func (*Blockdata) Serialize 

func (bd *Blockdata) Serialize(w io.Writer) error

func (*Blockdata) SerializeUnsigned 

func (bd *Blockdata) SerializeUnsigned(w io.Writer) error

don't write the hash and program to writer

func (*Blockdata) SetPrograms 

func (bd *Blockdata) SetPrograms(programs []*program.Program)

func (*Blockdata) ToArray 

func (bd *Blockdata) ToArray() []byte
type Header struct {
	Blockdata *Blockdata
}

func (*Header) Deserialize 

func (h *Header) Deserialize(r io.Reader) error

func (*Header) Serialize 

func (h *Header) Serialize(w io.Writer)

Serialize the blockheader

func (*Header) ToArray 

func (h *Header) ToArray() []byte

type ILedgerStore 

type ILedgerStore interface {
	//TODO: define the state store func
	SaveBlock(b *Block, ledger *Ledger) error
	GetBlock(hash Uint256) (*Block, error)
	BlockInCache(hash Uint256) bool
	GetBlockHash(height uint32) (Uint256, error)
	InitLedgerStore(ledger *Ledger) error
	IsDoubleSpend(tx *tx.Transaction) bool

	//SaveHeader(header *Header,ledger *Ledger) error
	AddHeaders(headers []Header, ledger *Ledger) error
	GetHeader(hash Uint256) (*Header, error)

	GetTransaction(hash Uint256) (*tx.Transaction, error)

	SaveAsset(assetid Uint256, asset *Asset) error
	GetAsset(hash Uint256) (*Asset, error)

	GetContract(codeHash Uint160) ([]byte, error)
	GetStorage(key []byte) ([]byte, error)
	GetAccount(programHash Uint160) (*account.AccountState, error)
	GetAssetState(assetId Uint256) (*states.AssetState, error)

	GetCurrentBlockHash() Uint256
	GetCurrentHeaderHash() Uint256
	GetHeaderHeight() uint32
	GetHeight() uint32
	GetHeaderHashByHeight(height uint32) Uint256

	GetBookKeeperList() ([]*crypto.PubKey, []*crypto.PubKey, error)
	InitLedgerStoreWithGenesisBlock(genesisblock *Block, defaultBookKeeper []*crypto.PubKey) (uint32, error)

	GetQuantityIssued(assetid Uint256) (Fixed64, error)

	GetUnspent(txid Uint256, index uint16) (*tx.TxOutput, error)
	ContainsUnspent(txid Uint256, index uint16) (bool, error)
	GetUnspentFromProgramHash(programHash Uint160, assetid Uint256) ([]*tx.UTXOUnspent, error)
	GetUnspentsFromProgramHash(programHash Uint160) (map[Uint256][]*tx.UTXOUnspent, error)
	GetLockedFromProgramHash(programHash Uint160, assetid Uint256) ([]*LockAsset, error)
	GetAvailableAsset(programHash Uint160, assetid Uint256) (Fixed64, Fixed64, error)
	GetAssets() map[Uint256]*Asset

	SaveRecord(hash string, txhash Uint256) error
	GetRecord(filehash string) (Uint256, error)

	IsTxHashDuplicate(txhash Uint256) bool
	IsBlockInStore(hash Uint256) bool
	Close()
}

ILedgerStore provides func with store package.

type Ledger 

type Ledger struct {
	Blockchain *Blockchain
	State      *State
	Store      ILedgerStore
}
var DefaultLedger *Ledger

func GetDefaultLedger 

func GetDefaultLedger() (*Ledger, error)

func (*Ledger) BlockInLedger 

func (l *Ledger) BlockInLedger(hash Uint256) bool

BlockInLedger checks if the block existed in ledger

func (*Ledger) GetAsset 

func (l *Ledger) GetAsset(assetId Uint256) (*asset.Asset, error)

func (*Ledger) GetBlockWithHash 

func (l *Ledger) GetBlockWithHash(hash Uint256) (*Block, error)

Get block with block hash.

func (*Ledger) GetBlockWithHeight 

func (l *Ledger) GetBlockWithHeight(height uint32) (*Block, error)

func (*Ledger) GetLocalBlockChainHeight 

func (l *Ledger) GetLocalBlockChainHeight() uint32

Get local block chain height.

func (*Ledger) GetTransactionWithHash 

func (l *Ledger) GetTransactionWithHash(hash Uint256) (*tx.Transaction, error)

Get transaction with hash.

func (*Ledger) IsDoubleSpend 

func (l *Ledger) IsDoubleSpend(Tx *tx.Transaction) bool

type State 

type State struct {
}

type StateStore 

type StateStore interface {
	SaveState(*State) error
}

Source Files

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