refactored archiver:

- now it stores events whose kind is approved
- archiver and builder have separate configs

cmd/sync/main.go

@@ -92,7 +92,7 @@ func main() {
 
 	go func() {
 		defer wg.Done()
-		pipe.GraphBuilder(ctx, config.Engine, db, builderQueue)
+		pipe.GraphBuilder(ctx, config.Engine.Builder, db, builderQueue)
 	}()
 
 	wg.Wait()

pkg/config/config.go

@@ -184,19 +184,22 @@ func Load() (*Config, error) {
 			config.Arbiter.PromotionWait = time.Duration(wait) * time.Second
 
 		case "ENGINE_PRINT_EVERY":
-			config.Engine.PrintEvery, err = strconv.Atoi(val)
+			printEvery, err := strconv.Atoi(val)
 			if err != nil {
 				return nil, fmt.Errorf("error parsing %v: %v", keyVal, err)
 			}
 
+			config.Engine.Archiver.PrintEvery = printEvery
+			config.Engine.Builder.PrintEvery = printEvery
+
 		case "ENGINE_BUILDER_CAPACITY":
-			config.Engine.BuilderCapacity, err = strconv.Atoi(val)
+			config.Engine.ChannelCapacity, err = strconv.Atoi(val)
 			if err != nil {
 				return nil, fmt.Errorf("error parsing %v: %v", keyVal, err)
 			}
 
 		case "ENGINE_CACHE_CAPACITY":
-			config.Engine.CacheCapacity, err = strconv.Atoi(val)
+			config.Engine.Builder.CacheCapacity, err = strconv.Atoi(val)
 			if err != nil {
 				return nil, fmt.Errorf("error parsing %v: %v", keyVal, err)
 			}

pkg/pipe/engine.go

@@ -5,6 +5,7 @@ import (
 	"context"
 	"fmt"
 	"log"
+	"slices"
 	"time"
 
 	"github.com/pippellia-btc/nastro"
@@ -17,26 +18,23 @@ import (
 )
 
 type EngineConfig struct {
-	PrintEvery int
+	Archiver        ArchiverConfig
-
+	Builder         GraphBuilderConfig
-	// GraphBuilder params
+	ChannelCapacity int
-	BuilderCapacity int
-	CacheCapacity   int
 }
 
 func NewEngineConfig() EngineConfig {
 	return EngineConfig{
-		PrintEvery:      5000,
+		Archiver: NewArchiverConfig(),
-		BuilderCapacity: 1000,
+		Builder:  NewGraphBuilderConfig(),
-		CacheCapacity:   100_000,
 	}
 }
 
 func (c EngineConfig) Print() {
 	fmt.Printf("Engine\n")
-	fmt.Printf("  PrintEvery: %d\n", c.PrintEvery)
+	fmt.Printf("  ChannelCapacity: %d\n", c.ChannelCapacity)
-	fmt.Printf("  BuilderCapacity: %d\n", c.BuilderCapacity)
+	c.Archiver.Print()
-	fmt.Printf("  CacheCapacity: %d\n", c.CacheCapacity)
+	c.Builder.Print()
 }
 
 // Engine is responsible for cohordinating the [Archiver] with the [GraphBuilder].
@@ -47,26 +45,45 @@ func Engine(
 	db redb.RedisDB,
 	events chan *nostr.Event,
 ) {
-	graphEvents := make(chan *nostr.Event, config.BuilderCapacity)
+	graphEvents := make(chan *nostr.Event, config.ChannelCapacity)
 	defer close(graphEvents)
 
-	go GraphBuilder(ctx, config, db, graphEvents)
+	sendFollowList := func(e *nostr.Event) error {
-
-	Archiver(ctx, config, store, events, func(e *nostr.Event) error {
 		if e.Kind == nostr.KindFollowList {
 			return Send(graphEvents)(e)
 		}
 		return nil
-	})
+	}
+
+	go GraphBuilder(ctx, config.Builder, db, graphEvents)
+	Archiver(ctx, config.Archiver, store, events, sendFollowList)
+}
+
+type ArchiverConfig struct {
+	Kinds      []int
+	PrintEvery int
+}
+
+func NewArchiverConfig() ArchiverConfig {
+	return ArchiverConfig{
+		Kinds:      profileKinds,
+		PrintEvery: 10_000,
+	}
+}
+
+func (c ArchiverConfig) Print() {
+	fmt.Printf("Archiver\n")
+	fmt.Printf("  Kinds: %v\n", c.Kinds)
+	fmt.Printf("  PrintEvery: %d\n", c.PrintEvery)
 }
 
 // Archiver stores events in the event store.
 func Archiver(
 	ctx context.Context,
-	config EngineConfig,
+	config ArchiverConfig,
 	store nastro.Store,
 	events chan *nostr.Event,
-	onReplace func(*nostr.Event) error,
+	onReplace Forward[*nostr.Event],
 ) {
 	log.Println("Archiver: ready")
 	defer log.Println("Archiver: shut down")
@@ -83,30 +100,11 @@ func Archiver(
 				return
 			}
 
-			err := func() error {
+			if !slices.Contains(config.Kinds, event.Kind) {
-				opctx, cancel := context.WithTimeout(ctx, 5*time.Second)
+				continue
-				defer cancel()
+			}
-
-				switch {
-				case nostr.IsRegularKind(event.Kind):
-					return nil // do nothing
-
-				case nostr.IsReplaceableKind(event.Kind):
-					replaced, err := store.Replace(opctx, event)
-					if err != nil {
-						return err
-					}
-
-					if replaced {
-						return onReplace(event)
-					}
-					return nil
-
-				default:
-					return nil
-				}
-			}()
 
+			err := archive(ctx, store, event, onReplace)
 			if err != nil && ctx.Err() == nil {
 				log.Printf("Archiver: event ID %s, kind %d by %s: %v", event.ID, event.Kind, event.PubKey, err)
 			}
@@ -119,10 +117,59 @@ func Archiver(
 	}
 }
 
+// Archive an event based on its kind.
+// If a replacement happened, it calls the provided onReplace
+func archive(
+	ctx context.Context,
+	store nastro.Store,
+	event *nostr.Event,
+	onReplace Forward[*nostr.Event],
+) error {
+	ctx, cancel := context.WithTimeout(ctx, 5*time.Second)
+	defer cancel()
+
+	switch {
+	case nostr.IsRegularKind(event.Kind):
+		return store.Save(ctx, event)
+
+	case nostr.IsReplaceableKind(event.Kind) || nostr.IsAddressableKind(event.Kind):
+		replaced, err := store.Replace(ctx, event)
+		if err != nil {
+			return err
+		}
+
+		if replaced && onReplace != nil {
+			return onReplace(event)
+		}
+		return nil
+
+	default:
+		return nil
+	}
+}
+
+type GraphBuilderConfig struct {
+	CacheCapacity int
+	PrintEvery    int
+}
+
+func NewGraphBuilderConfig() GraphBuilderConfig {
+	return GraphBuilderConfig{
+		CacheCapacity: 100_000,
+		PrintEvery:    10_000,
+	}
+}
+
+func (c GraphBuilderConfig) Print() {
+	fmt.Printf("GraphBuilder\n")
+	fmt.Printf("  CacheCapacity: %v\n", c.CacheCapacity)
+	fmt.Printf("  PrintEvery: %d\n", c.PrintEvery)
+}
+
 // GraphBuilder consumes events to update the graph and random walks.
 func GraphBuilder(
 	ctx context.Context,
-	config EngineConfig,
+	config GraphBuilderConfig,
 	db redb.RedisDB,
 	events chan *nostr.Event,
 ) {