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improved ledger account discovery

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This commit is contained in:
Stephan D
2026-01-22 20:05:27 +01:00
parent c3226cb59e
commit 980c9fc9c7
23 changed files with 480 additions and 53 deletions
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30
api/pkg/discovery/service.go
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@@ -59,6 +59,7 @@ func NewRegistryService(logger mlogger.Logger, msgBroker mb.Broker, producer msg
return nil, merrors.InvalidArgument("discovery registry: no logger provided", "logger")
}
logger = logger.Named("discovery_registry")
initMetrics()
sender = strings.TrimSpace(sender)
if sender == "" {
sender = "discovery"
@@ -147,9 +148,14 @@ func (s *RegistryService) Stop() {
})
}
func (s *RegistryService) handleAnnounce(_ context.Context, env me.Envelope) error {
func (s *RegistryService) handleAnnounce(_ context.Context, env me.Envelope) (err error) {
start := time.Now()
defer func() {
observeEvent("announce", err, time.Since(start))
}()
var payload Announcement
if err := json.Unmarshal(env.GetData(), &payload); err != nil {
if err = json.Unmarshal(env.GetData(), &payload); err != nil {
fields := append(envelopeFields(env), zap.Int("data_len", len(env.GetData())), zap.Error(err))
s.logWarn("Failed to decode discovery announce payload", fields...)
return err
@@ -174,9 +180,14 @@ func (s *RegistryService) handleAnnounce(_ context.Context, env me.Envelope) err
return nil
}
func (s *RegistryService) handleHeartbeat(_ context.Context, env me.Envelope) error {
func (s *RegistryService) handleHeartbeat(_ context.Context, env me.Envelope) (err error) {
start := time.Now()
defer func() {
observeEvent("heartbeat", err, time.Since(start))
}()
var payload Heartbeat
if err := json.Unmarshal(env.GetData(), &payload); err != nil {
if err = json.Unmarshal(env.GetData(), &payload); err != nil {
fields := append(envelopeFields(env), zap.Int("data_len", len(env.GetData())), zap.Error(err))
s.logWarn("Failed to decode discovery heartbeat payload", fields...)
return err
@@ -208,13 +219,18 @@ func (s *RegistryService) handleHeartbeat(_ context.Context, env me.Envelope) er
return nil
}
func (s *RegistryService) handleLookup(_ context.Context, env me.Envelope) error {
func (s *RegistryService) handleLookup(_ context.Context, env me.Envelope) (err error) {
start := time.Now()
defer func() {
observeEvent("lookup", err, time.Since(start))
}()
if s.producer == nil {
s.logWarn("Discovery lookup request ignored: producer not configured", envelopeFields(env)...)
return nil
}
var payload LookupRequest
if err := json.Unmarshal(env.GetData(), &payload); err != nil {
if err = json.Unmarshal(env.GetData(), &payload); err != nil {
fields := append(envelopeFields(env), zap.Int("data_len", len(env.GetData())), zap.Error(err))
s.logWarn("Failed to decode discovery lookup payload", fields...)
return err
@@ -222,7 +238,7 @@ func (s *RegistryService) handleLookup(_ context.Context, env me.Envelope) error
resp := s.registry.Lookup(time.Now())
resp.RequestID = strings.TrimSpace(payload.RequestID)
s.logDebug("Discovery lookup prepared", zap.String("request_id", resp.RequestID), zap.Int("services", len(resp.Services)), zap.Int("gateways", len(resp.Gateways)))
if err := s.producer.SendMessage(NewLookupResponseEnvelope(s.sender, resp)); err != nil {
if err = s.producer.SendMessage(NewLookupResponseEnvelope(s.sender, resp)); err != nil {
fields := []zap.Field{zap.String("request_id", resp.RequestID), zap.Error(err)}
s.logWarn("Failed to publish discovery lookup response", fields...)
return err