34 lines
979 B
Go
34 lines
979 B
Go
package eventstore
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import (
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"iter"
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"fiatjaf.com/nostr"
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)
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// Store is a persistence layer for nostr events handled by a relay.
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type Store interface {
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// Init is called at the very beginning by [Server.Start], after [Relay.Init],
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// allowing a storage to initialize its internal resources.
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Init() error
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// Close must be called after you're done using the store, to free up resources and so on.
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Close()
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// QueryEvents returns events that match the filter
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QueryEvents(filter nostr.Filter, maxLimit int) iter.Seq[nostr.Event]
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// DeleteEvent deletes an event atomically by ID
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DeleteEvent(nostr.ID) error
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// SaveEvent just saves an event, no side-effects.
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SaveEvent(nostr.Event) error
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// ReplaceEvent atomically replaces a replaceable or addressable event.
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// Conceptually it is like a Query->Delete->Save, but streamlined.
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ReplaceEvent(nostr.Event) error
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// CountEvents counts all events that match a given filter
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CountEvents(nostr.Filter) (uint32, error)
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}
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