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56 lines
1.9 KiB
56 lines
1.9 KiB
package indexer
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import (
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"context"
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abci "github.com/tendermint/tendermint/abci/types"
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"github.com/tendermint/tendermint/libs/pubsub/query"
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"github.com/tendermint/tendermint/types"
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)
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type EventSinkType string
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const (
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NULL EventSinkType = "null"
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KV EventSinkType = "kv"
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PSQL EventSinkType = "psql"
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)
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//go:generate mockery --case underscore --name EventSink
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// EventSink interface is defined the APIs for the IndexerService to interact with the data store,
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// including the block/transaction indexing and the search functions.
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//
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// The IndexerService will accept a list of one or more EventSink types. During the OnStart method
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// it will call the appropriate APIs on each EventSink to index both block and transaction events.
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type EventSink interface {
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// IndexBlockEvents indexes the blockheader.
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IndexBlockEvents(types.EventDataNewBlockHeader) error
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// IndexTxEvents indexes the given result of transactions. To call it with multi transactions,
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// must guarantee the index of given transactions are in order.
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IndexTxEvents([]*abci.TxResult) error
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// SearchBlockEvents provides the block search by given query conditions. This function only
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// supported by the kvEventSink.
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SearchBlockEvents(context.Context, *query.Query) ([]int64, error)
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// SearchTxEvents provides the transaction search by given query conditions. This function only
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// supported by the kvEventSink.
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SearchTxEvents(context.Context, *query.Query) ([]*abci.TxResult, error)
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// GetTxByHash provides the transaction search by given transaction hash. This function only
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// supported by the kvEventSink.
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GetTxByHash([]byte) (*abci.TxResult, error)
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// HasBlock provides the transaction search by given transaction hash. This function only
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// supported by the kvEventSink.
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HasBlock(int64) (bool, error)
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// Type checks the eventsink structure type.
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Type() EventSinkType
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// Stop will close the data store connection, if the eventsink supports it.
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Stop() error
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}
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