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change in parameterized replaceable handling

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This commit is contained in:
Chris kerr 2024-09-18 19:54:35 -04:00
parent 1ce4d892d3
commit 63a0daa017
1 changed files with 5 additions and 6 deletions
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11
server/db/mongo/kinds/replaceableParameters.go
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@ -14,7 +14,7 @@ import (
// HandleParameterizedReplaceableKind handles parameterized replaceable events based on NIP-01 rules // HandleParameterizedReplaceableKind handles parameterized replaceable events based on NIP-01 rules
func HandleParameterizedReplaceableKind(ctx context.Context, evt relay.Event, collection *mongo.Collection, ws *websocket.Conn) error { func HandleParameterizedReplaceableKind(ctx context.Context, evt relay.Event, collection *mongo.Collection, ws *websocket.Conn) error {
// Step 1: Find dTag from the event's tags // Step 1: Extract the dTag from the event's tags
var dTag string var dTag string
for _, tag := range evt.Tags { for _, tag := range evt.Tags {
if len(tag) > 0 && tag[0] == "d" { if len(tag) > 0 && tag[0] == "d" {
@ -23,7 +23,7 @@ func HandleParameterizedReplaceableKind(ctx context.Context, evt relay.Event, co
} }
} }
// Step 2: Create filter to find the existing event based on pubkey, kind, and dTag // Step 2: Create a filter to find the existing event based on pubkey, kind, and dTag
filter := bson.M{"pubkey": evt.PubKey, "kind": evt.Kind, "tags.d": dTag} filter := bson.M{"pubkey": evt.PubKey, "kind": evt.Kind, "tags.d": dTag}
// Step 3: Find the existing event from the database // Step 3: Find the existing event from the database
@ -33,16 +33,15 @@ func HandleParameterizedReplaceableKind(ctx context.Context, evt relay.Event, co
return fmt.Errorf("error finding existing event: %v", err) return fmt.Errorf("error finding existing event: %v", err)
} }
// Step 4: Handle event replacement logic (NIP-01 rules) // Step 4: If an existing event is found, check if it should be replaced based on created_at
// If we found an existing event and the new event is older, reject the update
if err != mongo.ErrNoDocuments { if err != mongo.ErrNoDocuments {
if existingEvent.CreatedAt > evt.CreatedAt || (existingEvent.CreatedAt == evt.CreatedAt && existingEvent.ID < evt.ID) { if existingEvent.CreatedAt > evt.CreatedAt || (existingEvent.CreatedAt == evt.CreatedAt && existingEvent.ID < evt.ID) {
response.SendOK(ws, evt.ID, false, "blocked: relay already has a newer event for this pubkey and dTag") response.SendOK(ws, evt.ID, false, "blocked: relay already has a newer event for this pubkey and dTag")
return nil return nil
} }
// Step 5: Delete the older event if the new event is valid // Step 5: If the new event is valid, delete the older event before inserting the new one
_, err := collection.DeleteOne(ctx, bson.M{"_id": existingEvent.ID}) _, err := collection.DeleteOne(ctx, filter)
if err != nil { if err != nil {
return fmt.Errorf("error deleting the older event: %v", err) return fmt.Errorf("error deleting the older event: %v", err)
} }