db

Documentation

Overview

* Copyright (C) 2018 The ZeepinChain Authors * This file is part of The ZeepinChain library. * * The ZeepinChain is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * The ZeepinChain is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with The ZeepinChain. If not, see <http://www.gnu.org/licenses/>. * This file is part of The ZeepinChain library.

Index

• func GenBestBlockHeaderKey() *pool.ByteBuffer
• func GenDataTransactionKey(hash common.Uint256) *pool.ByteBuffer
• func GenGenesisBlockKey() *pool.ByteBuffer
• type BestBlock
• type BestStateProvider
• type KeyPrefix
• type Store
  • func NewStore(path string) (*Store, error)
  • func (self *Store) Close() error
  • func (self *Store) ContainTransaction(hash common.Uint256) bool
  • func (self *Store) GetBestBlock() (BestBlock, error)
  • func (self *Store) GetBestHeader() (*types.Header, error)
  • func (self *Store) GetTransaction(hash common.Uint256) (*tx.Transaction, error)
  • func (self *Store) GetTransactionBytes(hash common.Uint256) ([]byte, error)
  • func (self *Store) PersistBlock(block *types.Block) error
• type TransactionProvider

Functions

func GenBestBlockHeaderKey

func GenBestBlockHeaderKey() *pool.ByteBuffer

func GenDataTransactionKey

func GenDataTransactionKey(hash common.Uint256) *pool.ByteBuffer

func GenGenesisBlockKey

func GenGenesisBlockKey() *pool.ByteBuffer

Types

type BestBlock

type BestBlock struct {
	Height uint32
	Hash   common.Uint256
}

type BestStateProvider

type BestStateProvider interface {
	GetBestBlock() (BestBlock, error)
	GetBestHeader() (*types.Header, error)
}

type KeyPrefix

type KeyPrefix byte

DataEntryPrefix

const (
	//SYSTEM
	SYS_VERSION       KeyPrefix = 0
	SYS_GENESIS_BLOCK KeyPrefix = 1 // key: prefix, value: gensisBlock

	SYS_BEST_BLOCK        KeyPrefix = 2 // key : prefix, value: bestblock
	SYS_BEST_BLOCK_HEADER KeyPrefix = 3 // key: prefix, value: BlockHeader

	// DATA
	//DATA_Block KeyPrefix = iota
	//DATA_Header
	DATA_TRANSACTION KeyPrefix = 10 // key: prefix+txid, value: height + tx
)

type Store

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

func NewStore

func NewStore(path string) (*Store, error)

func (*Store) Close

func (self *Store) Close() error

func (*Store) ContainTransaction

func (self *Store) ContainTransaction(hash common.Uint256) bool

implement TransactionProvider interface

func (*Store) GetBestBlock

func (self *Store) GetBestBlock() (BestBlock, error)

func (*Store) GetBestHeader

func (self *Store) GetBestHeader() (*types.Header, error)

func (*Store) GetTransaction

func (self *Store) GetTransaction(hash common.Uint256) (*tx.Transaction, error)

func (*Store) GetTransactionBytes

func (self *Store) GetTransactionBytes(hash common.Uint256) ([]byte, error)

func (*Store) PersistBlock

func (self *Store) PersistBlock(block *types.Block) error

type TransactionProvider

type TransactionProvider interface {
	BestStateProvider
	ContainTransaction(hash common.Uint256) bool
	GetTransactionBytes(hash common.Uint256) ([]byte, error)
	GetTransaction(hash common.Uint256) (*types.Transaction, error)
	PersistBlock(block *types.Block) error
}