logpoller

package
v1.8.0-beta0 Latest Latest
Warning

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

 Go to latest Published: Aug 23, 2022 License: MIT Imports: 21 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func EvmWord added in v1.5.0 

func EvmWord(i uint64) common.Hash

func NewLogPoller 

func NewLogPoller(orm *ORM, ec client.Client, lggr logger.Logger, pollPeriod time.Duration, finalityDepth, backfillBatchSize int64) *logPoller

Types

type Log 

type Log struct {
	EvmChainId  *utils.Big
	LogIndex    int64
	BlockHash   common.Hash
	BlockNumber int64
	Topics      pq.ByteaArray
	EventSig    []byte
	Address     common.Address
	TxHash      common.Hash
	Data        []byte
	CreatedAt   time.Time
}

Log represents an EVM log.

func (*Log) GetTopics added in v1.5.0 

func (l *Log) GetTopics() []common.Hash

type LogPoller 

type LogPoller interface {
	services.ServiceCtx
	Replay(ctx context.Context, fromBlock int64) error
	MergeFilter(eventSigs []common.Hash, addresses []common.Address)
	LatestBlock(qopts ...pg.QOpt) (int64, error)
	GetBlocks(numbers []uint64, qopts ...pg.QOpt) ([]LogPollerBlock, error)

	// General querying
	Logs(start, end int64, eventSig common.Hash, address common.Address, qopts ...pg.QOpt) ([]Log, error)
	LogsWithSigs(start, end int64, eventSigs []common.Hash, address common.Address, qopts ...pg.QOpt) ([]Log, error)
	LatestLogByEventSigWithConfs(eventSig common.Hash, address common.Address, confs int, qopts ...pg.QOpt) (*Log, error)
	LatestLogEventSigsAddrs(fromBlock int64, eventSigs []common.Hash, addresses []common.Address, qopts ...pg.QOpt) ([]Log, error)

	// Content based querying
	IndexedLogs(eventSig common.Hash, address common.Address, topicIndex int, topicValues []common.Hash, confs int, qopts ...pg.QOpt) ([]Log, error)
	IndexedLogsTopicGreaterThan(eventSig common.Hash, address common.Address, topicIndex int, topicValueMin common.Hash, confs int, qopts ...pg.QOpt) ([]Log, error)
	IndexedLogsTopicRange(eventSig common.Hash, address common.Address, topicIndex int, topicValueMin common.Hash, topicValueMax common.Hash, confs int, qopts ...pg.QOpt) ([]Log, error)
	LogsDataWordRange(eventSig common.Hash, address common.Address, wordIndex int, wordValueMin, wordValueMax common.Hash, confs int, qopts ...pg.QOpt) ([]Log, error)
	LogsDataWordGreaterThan(eventSig common.Hash, address common.Address, wordIndex int, wordValueMin common.Hash, confs int, qopts ...pg.QOpt) ([]Log, error)
}

type LogPollerBlock 

type LogPollerBlock struct {
	EvmChainId *utils.Big
	BlockHash  common.Hash
	// Note geth uses int64 internally https://github.com/ethereum/go-ethereum/blob/f66f1a16b3c480d3a43ac7e8a09ab3e362e96ae4/eth/filters/api.go#L340
	BlockNumber int64
	CreatedAt   time.Time
}

LogPollerBlock represents an unfinalized block used for reorg detection when polling.

type ORM 

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

func NewORM 

func NewORM(chainID *big.Int, db *sqlx.DB, lggr logger.Logger, cfg pg.LogConfig) *ORM

NewORM creates an ORM scoped to chainID.

func (*ORM) DeleteLogs 

func (o *ORM) DeleteLogs(start, end int64, qopts ...pg.QOpt) error

func (*ORM) DeleteRangeBlocks 

func (o *ORM) DeleteRangeBlocks(start, end int64, qopts ...pg.QOpt) error

func (*ORM) GetBlocks added in v1.7.0 

func (o *ORM) GetBlocks(blockNumbers []uint64, qopts ...pg.QOpt) ([]LogPollerBlock, error)

func (*ORM) InsertBlock 

func (o *ORM) InsertBlock(h common.Hash, n int64, qopts ...pg.QOpt) error

InsertBlock is idempotent to support replays.

func (*ORM) InsertLogs 

func (o *ORM) InsertLogs(logs []Log, qopts ...pg.QOpt) error

InsertLogs is idempotent to support replays.

func (*ORM) LatestLogEventSigsAddrs added in v1.5.0 

func (o *ORM) LatestLogEventSigsAddrs(fromBlock int64, addresses []common.Address, eventSigs []common.Hash, qopts ...pg.QOpt) ([]Log, error)

LatestLogEventSigsAddrs finds the latest log by (address, event) combination that matches a list of addresses and list of events

func (*ORM) SelectBlockByHash 

func (o *ORM) SelectBlockByHash(h common.Hash, qopts ...pg.QOpt) (*LogPollerBlock, error)

func (*ORM) SelectBlockByNumber 

func (o *ORM) SelectBlockByNumber(n int64, qopts ...pg.QOpt) (*LogPollerBlock, error)

func (*ORM) SelectDataWordGreaterThan added in v1.5.0 

func (o *ORM) SelectDataWordGreaterThan(address common.Address, eventSig []byte, wordIndex int, wordValueMin common.Hash, confs int, qopts ...pg.QOpt) ([]Log, error)

func (*ORM) SelectDataWordRange added in v1.5.0 

func (o *ORM) SelectDataWordRange(address common.Address, eventSig []byte, wordIndex int, wordValueMin, wordValueMax common.Hash, confs int, qopts ...pg.QOpt) ([]Log, error)

func (*ORM) SelectIndexLogsTopicGreaterThan added in v1.5.0 

func (o *ORM) SelectIndexLogsTopicGreaterThan(address common.Address, eventSig []byte, topicIndex int, topicValueMin common.Hash, confs int, qopts ...pg.QOpt) ([]Log, error)

func (*ORM) SelectIndexLogsTopicRange added in v1.5.0 

func (o *ORM) SelectIndexLogsTopicRange(address common.Address, eventSig []byte, topicIndex int, topicValueMin, topicValueMax common.Hash, confs int, qopts ...pg.QOpt) ([]Log, error)

func (*ORM) SelectIndexedLogs added in v1.5.0 

func (o *ORM) SelectIndexedLogs(address common.Address, eventSig []byte, topicIndex int, topicValues []common.Hash, confs int, qopts ...pg.QOpt) ([]Log, error)

func (*ORM) SelectLatestBlock 

func (o *ORM) SelectLatestBlock(qopts ...pg.QOpt) (*LogPollerBlock, error)

func (*ORM) SelectLatestLogEventSigWithConfs 

func (o *ORM) SelectLatestLogEventSigWithConfs(eventSig common.Hash, address common.Address, confs int, qopts ...pg.QOpt) (*Log, error)

func (*ORM) SelectLogsByBlockRangeFilter 

func (o *ORM) SelectLogsByBlockRangeFilter(start, end int64, address common.Address, eventSig []byte, qopts ...pg.QOpt) ([]Log, error)

SelectLogsByBlockRangeFilter finds the logs in a given block range.

func (*ORM) SelectLogsWithSigsByBlockRangeFilter added in v1.7.0 

func (o *ORM) SelectLogsWithSigsByBlockRangeFilter(start, end int64, address common.Address, eventSigs [][]byte, qopts ...pg.QOpt) (logs []Log, err error)

SelectLogsWithSigsByBlockRangeFilter finds the logs in the given block range with the given event signatures emitted from the given address.

Source Files

View all Source files

Directories

Path Synopsis

Jump to

Keyboard shortcuts

? : This menu
/ : Search site
f or F : Jump to
y or Y : Canonical URL
go.dev uses cookies from Google to deliver and enhance the quality of its services and to analyze traffic. Learn more.