55 lines
1.2 KiB
Go
55 lines
1.2 KiB
Go
package bolt
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import (
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"context"
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"encoding/binary"
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"encoding/hex"
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"fmt"
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"github.com/fiatjaf/eventstore"
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"github.com/nbd-wtf/go-nostr"
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nostr_binary "github.com/nbd-wtf/go-nostr/binary"
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bolt "go.etcd.io/bbolt"
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)
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func (b *BoltBackend) SaveEvent(ctx context.Context, evt *nostr.Event) error {
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// sanity checking
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if evt.CreatedAt > maxuint32 || evt.Kind > maxuint16 {
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return fmt.Errorf("event with values out of expected boundaries")
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}
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return b.db.Update(func(txn *bolt.Tx) error {
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id, _ := hex.DecodeString(evt.ID)
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// check if we already have this id
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bucket := txn.Bucket(bucketId)
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res := bucket.Get(id)
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if res != nil {
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return eventstore.ErrDupEvent
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}
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// encode to binary form so we'll save it
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bin, err := nostr_binary.Marshal(evt)
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if err != nil {
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return err
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}
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// raw event store
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raw := txn.Bucket(bucketRaw)
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seq, _ := raw.NextSequence()
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seqb := binary.BigEndian.AppendUint64(nil, seq)
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if err := raw.Put(seqb, bin); err != nil {
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return err
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}
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for _, km := range getIndexKeysForEvent(evt) {
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bucket := txn.Bucket(km.bucket)
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if err := bucket.Put(km.key, seqb); err != nil {
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return err
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}
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}
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return nil
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})
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}
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