database

package
v1.2.1 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Sep 5, 2020 License: LGPL-3.0 Imports: 12 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var (
	ErrArgInvalid      = errors.New("invalid argument")
	ErrExist           = errors.New("item already exists")
	ErrNoEvents        = errors.New("the times of pop event is more than push")
	ErrNotExist        = errors.New("item does not exist")
	ErrBigIntSetString = errors.New("big int setString error")
	ErrOutOfMemory     = errors.New("out of memory")
	ErrUnKnown         = errors.New("")
)
View Source 
var (
	DRIVER_MYSQL = "mysql"
	HOST_MYSQL   = "root:123456@tcp(localhost:3306)/lemochain?charset=utf8mb4"
)
View Source 
var (
	ContextKeyCurrentBlock = "context.chain.current_block"
)

Functions

func CreateDB 

func CreateDB(db *sql.DB) (sql.Result, error)

func Del 

func Del(db *sql.DB, key string) error

func ErrIsNotExist 

func ErrIsNotExist(err error) bool

func GetAddressKey 

func GetAddressKey(addr common.Address) []byte

func GetBlockHashKey 

func GetBlockHashKey(hash common.Hash) []byte

func GetCanonicalKey 

func GetCanonicalKey(height uint32) []byte

func GetStorageKey added in v1.2.0 

func GetStorageKey(hash common.Hash) []byte

func NewAccountData 

func NewAccountData(address common.Address) *types.AccountData

func Open 

func Open(driver string, dbHost string) (*sql.DB, error)

driver = "mysql" dbHost = root:123123@tcp(localhost:3306)/lemochain?charset=utf8mb4

Types

type AccountDao 

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

func NewAccountDao 

func NewAccountDao(db DBEngine) *AccountDao

func (*AccountDao) Get 

func (dao *AccountDao) Get(addr common.Address) (*types.AccountData, error)

func (*AccountDao) GetDB 

func (dao *AccountDao) GetDB() *sql.DB

func (*AccountDao) Set 

func (dao *AccountDao) Set(addr common.Address, account *types.AccountData) error

type AssetDao 

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

func NewAssetDao 

func NewAssetDao(db DBEngine) *AssetDao

func (*AssetDao) Get 

func (dao *AssetDao) Get(code common.Hash) (*types.Asset, error)

func (*AssetDao) GetPage 

func (dao *AssetDao) GetPage(addr common.Address, start, limit int) ([]*types.Asset, error)

func (*AssetDao) GetPageWithTotal 

func (dao *AssetDao) GetPageWithTotal(addr common.Address, start, limit int) ([]*types.Asset, int, error)

func (*AssetDao) Set 

func (dao *AssetDao) Set(asset *types.Asset) error

type BlockDao 

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

func NewBlockDao 

func NewBlockDao(db DBEngine) *BlockDao

func (*BlockDao) GetBlock 

func (dao *BlockDao) GetBlock(hash common.Hash) (*types.Block, error)

func (*BlockDao) GetBlockByHeight 

func (dao *BlockDao) GetBlockByHeight(height uint32) (*types.Block, error)

func (*BlockDao) GetDB 

func (dao *BlockDao) GetDB() *sql.DB

func (*BlockDao) IsExist 

func (dao *BlockDao) IsExist(hash common.Hash) (bool, error)

func (*BlockDao) SetBlock 

func (dao *BlockDao) SetBlock(hash common.Hash, block *types.Block) error

type CandidateDao 

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

func NewCandidateDao 

func NewCandidateDao(engine DBEngine) *CandidateDao

func (*CandidateDao) Del 

func (dao *CandidateDao) Del(user common.Address) error

func (*CandidateDao) GetPage 

func (dao *CandidateDao) GetPage(start, limit int) ([]*CandidateItem, error)

func (*CandidateDao) GetPageWithTotal 

func (dao *CandidateDao) GetPageWithTotal(start, limit int) ([]*CandidateItem, int, error)

func (*CandidateDao) GetTop 

func (dao *CandidateDao) GetTop(size int) ([]*CandidateItem, error)

func (*CandidateDao) Set 

func (dao *CandidateDao) Set(item *CandidateItem) error

type CandidateItem 

type CandidateItem struct {
	User  common.Address
	Votes *big.Int
}

type Context 

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

type ContextDao 

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

func NewContextDao 

func NewContextDao(db DBEngine) *ContextDao

func (*ContextDao) ContextGet 

func (dao *ContextDao) ContextGet(key string) ([]byte, error)

func (*ContextDao) ContextLoad 

func (dao *ContextDao) ContextLoad() ([]*Context, error)

func (*ContextDao) ContextSet 

func (dao *ContextDao) ContextSet(key string, val []byte) error

func (*ContextDao) GetCurrentBlock 

func (dao *ContextDao) GetCurrentBlock() (*types.Block, error)

func (*ContextDao) SetCurrentBlock 

func (dao *ContextDao) SetCurrentBlock(block *types.Block) error

type DBEngine 

type DBEngine interface {
	GetDB() *sql.DB
}

type EquityDao 

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

func NewEquityDao 

func NewEquityDao(db DBEngine) *EquityDao

func (*EquityDao) Get 

func (dao *EquityDao) Get(addr common.Address, id common.Hash) (*types.AssetEquity, error)

func (*EquityDao) GetPage 

func (dao *EquityDao) GetPage(addr common.Address, start, limit int) ([]*types.AssetEquity, error)

func (*EquityDao) GetPageByCode 

func (dao *EquityDao) GetPageByCode(addr common.Address, code common.Hash, start, limit int) ([]*types.AssetEquity, error)

func (*EquityDao) GetPageByCodeWithTotal 

func (dao *EquityDao) GetPageByCodeWithTotal(addr common.Address, code common.Hash, start, limit int) ([]*types.AssetEquity, int, error)

func (*EquityDao) GetPageWithTotal 

func (dao *EquityDao) GetPageWithTotal(addr common.Address, start, limit int) ([]*types.AssetEquity, int, error)

func (*EquityDao) Set 

func (dao *EquityDao) Set(addr common.Address, assetEquity *types.AssetEquity) error

type KvDao 

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

*

  • （1） hash => block
  • （2） hash => tx
  • （3） address => account

func NewKvDao 

func NewKvDao(db DBEngine) *KvDao

func (*KvDao) Get 

func (dao *KvDao) Get(key []byte) ([]byte, error)

func (*KvDao) Set 

func (dao *KvDao) Set(key []byte, val []byte) error

type MetaData added in v1.2.0 

type MetaData struct {
	Id      common.Hash    `json:"id" gencodec:"required"`
	Code    common.Hash    `json:"code" gencodec:"required"`
	Owner   common.Address `json:"owner" gencodec:"required"`
	Profile string         `json:"profile" gencodec:"required"`
}

func (MetaData) MarshalJSON added in v1.2.0 

func (m MetaData) MarshalJSON() ([]byte, error)

MarshalJSON marshals as JSON.

func (*MetaData) UnmarshalJSON added in v1.2.0 

func (m *MetaData) UnmarshalJSON(input []byte) error

UnmarshalJSON unmarshals from JSON.

type MetaDataDao added in v1.2.0 

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

func NewMetaDataDao added in v1.2.0 

func NewMetaDataDao(db DBEngine) *MetaDataDao

func (*MetaDataDao) Get added in v1.2.0 

func (dao *MetaDataDao) Get(id common.Hash) (*MetaData, error)

func (*MetaDataDao) GetPage added in v1.2.0 

func (dao *MetaDataDao) GetPage(addr common.Address, start, limit int) ([]*MetaData, error)

func (*MetaDataDao) GetPageByCode added in v1.2.0 

func (dao *MetaDataDao) GetPageByCode(code common.Hash, start, limit int) ([]*MetaData, error)

func (*MetaDataDao) GetPageByCodeWithTotal added in v1.2.0 

func (dao *MetaDataDao) GetPageByCodeWithTotal(code common.Hash, start, limit int) ([]*MetaData, int, error)

func (*MetaDataDao) GetPageWithTotal added in v1.2.0 

func (dao *MetaDataDao) GetPageWithTotal(addr common.Address, start, limit int) ([]*MetaData, int, error)

func (*MetaDataDao) Set added in v1.2.0 

func (dao *MetaDataDao) Set(metaData *MetaData) error

type MySqlDB 

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

func NewMySqlDB 

func NewMySqlDB(driver string, dbHost string) *MySqlDB

func (*MySqlDB) Clear 

func (db *MySqlDB) Clear() error

func (*MySqlDB) Close 

func (db *MySqlDB) Close()

func (*MySqlDB) GetDB 

func (db *MySqlDB) GetDB() *sql.DB

type Tx 

type Tx struct {
	BHash       common.Hash
	Height      uint32
	PHash       common.Hash // 为箱子交易的时候的箱子的hash
	THash       common.Hash
	From        common.Address
	To          common.Address
	Tx          *types.Transaction
	Flag        int
	St          int64       // 交易保存进db的时间
	PackageTime uint32      // 打包交易的时间
	AssetCode   common.Hash // 如果是资产交易则对应资产code
	AssetId     common.Hash // 对应资产交易的资产id
}

type TxDao 

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

func NewTxDao 

func NewTxDao(db DBEngine) *TxDao

func (*TxDao) Get 

func (dao *TxDao) Get(hash common.Hash) (*Tx, error)

func (*TxDao) GetByAddr 

func (dao *TxDao) GetByAddr(addr common.Address, start, limit int) ([]*Tx, error)

func (*TxDao) GetByAddrWithTotal 

func (dao *TxDao) GetByAddrWithTotal(addr common.Address, start, limit int) ([]*Tx, int, error)

func (*TxDao) GetByAddressAndAssetCodeOrAssetId added in v1.2.0 

func (dao *TxDao) GetByAddressAndAssetCodeOrAssetId(addr common.Address, assetCodeOrId common.Hash, start, limit int) ([]*Tx, error)

通过 address 和 assetCode或者assetId查询交易

func (*TxDao) GetByAddressAndAssetCodeOrAssetIdWithTotal added in v1.2.0 

func (dao *TxDao) GetByAddressAndAssetCodeOrAssetIdWithTotal(addr common.Address, assetCodeOrId common.Hash, start, limit int) ([]*Tx, int, error)

func (*TxDao) GetByFrom 

func (dao *TxDao) GetByFrom(addr common.Address, start, limit int) ([]*Tx, error)

func (*TxDao) GetByFromWithTotal 

func (dao *TxDao) GetByFromWithTotal(addr common.Address, start, limit int) ([]*Tx, int, error)

func (*TxDao) GetByTime 

func (dao *TxDao) GetByTime(addr common.Address, stStart, stStop int64, start, limit int) ([]*Tx, error)

func (*TxDao) GetByTimeWithTotal 

func (dao *TxDao) GetByTimeWithTotal(addr common.Address, stStart, stStop int64, start, limit int) ([]*Tx, int, error)

func (*TxDao) GetByTo 

func (dao *TxDao) GetByTo(addr common.Address, start, limit int) ([]*Tx, error)

func (*TxDao) GetByToWithTotal 

func (dao *TxDao) GetByToWithTotal(addr common.Address, start, limit int) ([]*Tx, int, error)

func (*TxDao) Set 

func (dao *TxDao) Set(tx *Tx) error

Source Files

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