db

package
v0.0.0-...-c91c12c Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Oct 1, 2020 License: AGPL-3.0 Imports: 23 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	// AddressBalanceDetailNoUTXO returns address balance without utxos
	AddressBalanceDetailNoUTXO = 0
	// AddressBalanceDetailUTXO returns address balance with utxos
	AddressBalanceDetailUTXO = 1
)
View Source 
const FiatRatesTimeFormat = "20060102150405" // YYYYMMDDhhmmss

FiatRatesTimeFormat is a format string for storing FiatRates timestamps in rocksdb

Variables

View Source 
var ErrOperationInterrupted = errors.New("ErrOperationInterrupted")

ErrOperationInterrupted is returned when operation is interrupted by OS signal

Functions

func FiatRatesConvertDate 

func FiatRatesConvertDate(date string) (*time.Time, error)

FiatRatesConvertDate checks if the date is in correct format and returns the Time object. Possible formats are: YYYYMMDDhhmmss, YYYYMMDDhhmm, YYYYMMDDhh, YYYYMMDD

func RepairRocksDB 

func RepairRocksDB(name string) error

RepairRocksDB calls RocksDb db repair function

Types

type AddrBalance 

type AddrBalance struct {
	Txs        uint32
	SentSat    big.Int
	BalanceSat big.Int
	Utxos      []Utxo
	// contains filtered or unexported fields
}

AddrBalance stores number of transactions and balances of an address

func (*AddrBalance) ReceivedSat 

func (ab *AddrBalance) ReceivedSat() *big.Int

ReceivedSat computes received amount from total balance and sent amount

type AddrContract 

type AddrContract struct {
	Contract bchain.AddressDescriptor
	Txs      uint
}

AddrContract is Contract address with number of transactions done by given address

type AddrContracts 

type AddrContracts struct {
	TotalTxs       uint
	NonContractTxs uint
	Contracts      []AddrContract
}

AddrContracts contains number of transactions and contracts for an address

type AddressBalanceDetail 

type AddressBalanceDetail int

AddressBalanceDetail specifies what data are returned by GetAddressBalance

type BlockInfo 

type BlockInfo struct {
	Hash   string
	Time   int64
	Txs    uint32
	Size   uint32
	Height uint32 // Height is not packed!
}

BlockInfo holds information about blocks kept in column height

type BulkConnect 

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

BulkConnect is used to connect blocks in bulk, faster but if interrupted inconsistent way

func (*BulkConnect) Close 

func (b *BulkConnect) Close() error

Close flushes the cached data and switches DB from inconsistent state open after Close, the BulkConnect cannot be used

func (*BulkConnect) ConnectBlock 

func (b *BulkConnect) ConnectBlock(block *bchain.Block, storeBlockTxs bool) error

ConnectBlock connects block in bulk mode

type CurrencyRatesTicker 

type CurrencyRatesTicker struct {
	Timestamp *time.Time // return as unix timestamp in API
	Rates     map[string]float64
}

CurrencyRatesTicker contains coin ticker data fetched from API

type GetTransactionsCallback 

type GetTransactionsCallback func(txid string, height uint32, indexes []int32) error

GetTransactionsCallback is called by GetTransactions/GetAddrDescTransactions for each found tx indexes contain array of indexes (input negative, output positive) in tx where is given address

type ResultTickerAsString 

type ResultTickerAsString struct {
	Timestamp int64              `json:"ts,omitempty"`
	Rates     map[string]float64 `json:"rates"`
	Error     string             `json:"error,omitempty"`
}

ResultTickerAsString contains formatted CurrencyRatesTicker data

type ResultTickerListAsString 

type ResultTickerListAsString struct {
	Timestamp int64    `json:"ts,omitempty"`
	Tickers   []string `json:"available_currencies"`
	Error     string   `json:"error,omitempty"`
}

ResultTickerListAsString contains formatted data about available currency tickers

type ResultTickersAsString 

type ResultTickersAsString struct {
	Tickers []ResultTickerAsString `json:"tickers"`
}

ResultTickersAsString contains a formatted CurrencyRatesTicker list

type RocksDB 

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

RocksDB handle

func NewRocksDB 

func NewRocksDB(path string, cacheSize, maxOpenFiles int, parser bchain.BlockChainParser, metrics *common.Metrics) (d *RocksDB, err error)

NewRocksDB opens an internal handle to RocksDB environment. Close needs to be called to release it.

func (*RocksDB) AddrDescForOutpoint 

func (d *RocksDB) AddrDescForOutpoint(outpoint bchain.Outpoint) bchain.AddressDescriptor

AddrDescForOutpoint defines function that returns address descriptorfor given outpoint or nil if outpoint not found

func (*RocksDB) Close 

func (d *RocksDB) Close() error

Close releases the RocksDB environment opened in NewRocksDB.

func (*RocksDB) ComputeInternalStateColumnStats 

func (d *RocksDB) ComputeInternalStateColumnStats(stopCompute chan os.Signal) error

ComputeInternalStateColumnStats computes stats of all db columns and sets them to internal state can be very slow operation

func (*RocksDB) ConnectBlock 

func (d *RocksDB) ConnectBlock(block *bchain.Block) error

ConnectBlock indexes addresses in the block and stores them in db

func (*RocksDB) DatabaseSizeOnDisk 

func (d *RocksDB) DatabaseSizeOnDisk() int64

DatabaseSizeOnDisk returns size of the database in bytes

func (*RocksDB) DeleteTx 

func (d *RocksDB) DeleteTx(txid string) error

DeleteTx removes transactions from db

func (*RocksDB) DisconnectBlockRangeBitcoinType 

func (d *RocksDB) DisconnectBlockRangeBitcoinType(lower uint32, higher uint32) error

DisconnectBlockRangeBitcoinType removes all data belonging to blocks in range lower-higher it is able to disconnect only blocks for which there are data in the blockTxs column

func (*RocksDB) DisconnectBlockRangeEthereumType 

func (d *RocksDB) DisconnectBlockRangeEthereumType(lower uint32, higher uint32) error

DisconnectBlockRangeEthereumType removes all data belonging to blocks in range lower-higher it is able to disconnect only blocks for which there are data in the blockTxs column

func (*RocksDB) FiatRatesFindLastTicker 

func (d *RocksDB) FiatRatesFindLastTicker() (*CurrencyRatesTicker, error)

FiatRatesFindLastTicker gets the last FiatRates record

func (*RocksDB) FiatRatesFindTicker 

func (d *RocksDB) FiatRatesFindTicker(tickerTime *time.Time) (*CurrencyRatesTicker, error)

FiatRatesFindTicker gets FiatRates data closest to the specified timestamp

func (*RocksDB) FiatRatesStoreTicker 

func (d *RocksDB) FiatRatesStoreTicker(ticker *CurrencyRatesTicker) error

FiatRatesStoreTicker stores ticker data at the specified time

func (*RocksDB) FixUtxos 

func (d *RocksDB) FixUtxos(stop chan os.Signal) error

FixUtxos checks and fixes possible

func (*RocksDB) GetAddrDescBalance 

func (d *RocksDB) GetAddrDescBalance(addrDesc bchain.AddressDescriptor, detail AddressBalanceDetail) (*AddrBalance, error)

GetAddrDescBalance returns AddrBalance for given addrDesc

func (*RocksDB) GetAddrDescContracts 

func (d *RocksDB) GetAddrDescContracts(addrDesc bchain.AddressDescriptor) (*AddrContracts, error)

GetAddrDescContracts returns AddrContracts for given addrDesc

func (*RocksDB) GetAddrDescTransactions 

func (d *RocksDB) GetAddrDescTransactions(addrDesc bchain.AddressDescriptor, lower uint32, higher uint32, fn GetTransactionsCallback) (err error)

GetAddrDescTransactions finds all input/output transactions for address descriptor Transaction are passed to callback function in the order from newest block to the oldest

func (*RocksDB) GetAddressBalance 

func (d *RocksDB) GetAddressBalance(address string, detail AddressBalanceDetail) (*AddrBalance, error)

GetAddressBalance returns address balance for an address or nil if address not found

func (*RocksDB) GetAndResetConnectBlockStats 

func (d *RocksDB) GetAndResetConnectBlockStats() string

GetAndResetConnectBlockStats gets statistics about cache usage in connect blocks and resets the counters

func (*RocksDB) GetBestBlock 

func (d *RocksDB) GetBestBlock() (uint32, string, error)

GetBestBlock returns the block hash of the block with highest height in the db

func (*RocksDB) GetBlockHash 

func (d *RocksDB) GetBlockHash(height uint32) (string, error)

GetBlockHash returns block hash at given height or empty string if not found

func (*RocksDB) GetBlockInfo 

func (d *RocksDB) GetBlockInfo(height uint32) (*BlockInfo, error)

GetBlockInfo returns block info stored in db

func (*RocksDB) GetMemoryStats 

func (d *RocksDB) GetMemoryStats() string

GetMemoryStats returns memory usage statistics as reported by RocksDB

func (*RocksDB) GetTransactions 

func (d *RocksDB) GetTransactions(address string, lower uint32, higher uint32, fn GetTransactionsCallback) (err error)

GetTransactions finds all input/output transactions for address Transaction are passed to callback function.

func (*RocksDB) GetTx 

func (d *RocksDB) GetTx(txid string) (*bchain.Tx, uint32, error)

GetTx returns transaction stored in db and height of the block containing it

func (*RocksDB) GetTxAddresses 

func (d *RocksDB) GetTxAddresses(txid string) (*TxAddresses, error)

GetTxAddresses returns TxAddresses for given txid or nil if not found

func (*RocksDB) InitBulkConnect 

func (d *RocksDB) InitBulkConnect() (*BulkConnect, error)

InitBulkConnect initializes bulk connect and switches DB to inconsistent state

func (*RocksDB) LoadInternalState 

func (d *RocksDB) LoadInternalState(rpcCoin string) (*common.InternalState, error)

LoadInternalState loads from db internal state or initializes a new one if not yet stored

func (*RocksDB) PutTx 

func (d *RocksDB) PutTx(tx *bchain.Tx, height uint32, blockTime int64) error

PutTx stores transactions in db

func (*RocksDB) Reopen 

func (d *RocksDB) Reopen() error

Reopen reopens the database It closes and reopens db, nobody can access the database during the operation!

func (*RocksDB) SetInconsistentState 

func (d *RocksDB) SetInconsistentState(inconsistent bool) error

SetInconsistentState sets the internal state to DbStateInconsistent or DbStateOpen based on inconsistent parameter db in left in DbStateInconsistent state cannot be used and must be recreated

func (*RocksDB) SetInternalState 

func (d *RocksDB) SetInternalState(is *common.InternalState)

SetInternalState sets the InternalState to be used by db to collect internal state

func (*RocksDB) StoreInternalState 

func (d *RocksDB) StoreInternalState(is *common.InternalState) error

StoreInternalState stores the internal state to db

type StopIteration 

type StopIteration struct{}

StopIteration is returned by callback function to signal stop of iteration

func (*StopIteration) Error 

func (e *StopIteration) Error() string

type SyncWorker 

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

SyncWorker is handle to SyncWorker

func NewSyncWorker 

func NewSyncWorker(db *RocksDB, chain bchain.BlockChain, syncWorkers, syncChunk int, minStartHeight int, dryRun bool, chanOsSignal chan os.Signal, metrics *common.Metrics, is *common.InternalState) (*SyncWorker, error)

NewSyncWorker creates new SyncWorker and returns its handle

func (*SyncWorker) ConnectBlocksParallel 

func (w *SyncWorker) ConnectBlocksParallel(lower, higher uint32) error

ConnectBlocksParallel uses parallel goroutines to get data from blockchain daemon

func (*SyncWorker) DisconnectBlocks 

func (w *SyncWorker) DisconnectBlocks(lower uint32, higher uint32, hashes []string) error

DisconnectBlocks removes all data belonging to blocks in range lower-higher,

func (*SyncWorker) ResyncIndex 

func (w *SyncWorker) ResyncIndex(onNewBlock bchain.OnNewBlockFunc, initialSync bool) error

ResyncIndex synchronizes index to the top of the blockchain onNewBlock is called when new block is connected, but not in initial parallel sync

type TxAddresses 

type TxAddresses struct {
	Height  uint32
	Inputs  []TxInput
	Outputs []TxOutput
}

TxAddresses stores transaction inputs and outputs with amounts

type TxCache 

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

TxCache is handle to TxCacheServer

func NewTxCache 

func NewTxCache(db *RocksDB, chain bchain.BlockChain, metrics *common.Metrics, is *common.InternalState, enabled bool) (*TxCache, error)

NewTxCache creates new TxCache interface and returns its handle

func (*TxCache) GetTransaction 

func (c *TxCache) GetTransaction(txid string) (*bchain.Tx, int, error)

GetTransaction returns transaction either from RocksDB or if not present from blockchain it the transaction is confirmed, it is stored in the RocksDB

type TxInput 

type TxInput struct {
	AddrDesc bchain.AddressDescriptor
	ValueSat big.Int
}

TxInput holds input data of the transaction in TxAddresses

func (*TxInput) Addresses 

func (ti *TxInput) Addresses(p bchain.BlockChainParser) ([]string, bool, error)

Addresses converts AddressDescriptor of the input to array of strings

type TxOutput 

type TxOutput struct {
	AddrDesc bchain.AddressDescriptor
	Spent    bool
	ValueSat big.Int
}

TxOutput holds output data of the transaction in TxAddresses

func (*TxOutput) Addresses 

func (to *TxOutput) Addresses(p bchain.BlockChainParser) ([]string, bool, error)

Addresses converts AddressDescriptor of the output to array of strings

type Utxo 

type Utxo struct {
	BtxID    []byte
	Vout     int32
	Height   uint32
	ValueSat big.Int
}

Utxo holds information about unspent transaction output

Source Files

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