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https://github.com/hanzoai/world-zap.git
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Real-time Hanzo World feeds over ZAP binary protocol (9-byte header +
JSON payload) fronted by WebSockets at wss://zap.world.hanzo.ai/zap.
IAM bearer auth via Authorization header or ?token= query param.
Validator caches /oauth/userinfo for 5 minutes.
Topics (10): world.events.{all,conflicts,earthquakes,fires},
world.markets.{quotes,crypto}, world.ships.ais, world.aviation.opensky,
world.news.live, world.weather.alerts. Minimum plan enforced per topic.
Tools: subscribe, unsubscribe, list_topics. Admin-only publish for
internal service accounts.
Ingest: streams events from worldmonitor GET /v1/world/events?stream=1,
fans out via bounded-channel hub with drop-on-overflow semantics.
Per-user token bucket rate limits: free 30/min, pro 3000/min, team
15000/min, enterprise 60000/min.
Tests: all packages pass -race (proto, auth, hub, ratelimit, ingest,
handlers). Multi-arch image build wired to hanzoai/.github docker-build
workflow.
115 lines
2.8 KiB
Go
115 lines
2.8 KiB
Go
// Command world-zap bridges the worldmonitor backend to a ZAP-over-WebSocket
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// gateway for real-time feed fan-out.
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//
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// wss://zap.world.hanzo.ai/zap?token=<IAM_TOKEN>
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//
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// Topics are published by an ingester goroutine that streams from
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// WORLD_BACKEND/v1/world/events?stream=1 and fans out via the hub.
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package main
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import (
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"context"
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"log/slog"
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"net/http"
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"os"
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"os/signal"
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"syscall"
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"time"
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"github.com/hanzoai/world-zap/auth"
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"github.com/hanzoai/world-zap/hub"
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"github.com/hanzoai/world-zap/ingest"
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"github.com/hanzoai/world-zap/ratelimit"
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)
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const version = "0.1.0"
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func main() {
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cfg := loadConfig()
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logger := newLogger(cfg.LogLevel)
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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shutdownOtel, err := initOtel(ctx, cfg.OtelEndpoint, cfg.ServiceName, version)
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if err != nil {
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logger.Warn("otel init failed", "err", err.Error())
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}
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av := auth.New(auth.Config{
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Endpoint: cfg.IAMEndpoint,
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TTL: cfg.AuthTTL,
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AdminOrgs: cfg.AdminOrgs,
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})
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h := hub.New(1024)
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limiter := ratelimit.New()
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ing := ingest.New(ingest.Config{
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BackendBase: cfg.BackendBase,
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ServiceToken: cfg.ServiceToken,
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}, h, slogAdapter{logger})
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go ing.Run(ctx)
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deps := &serverDeps{
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cfg: cfg,
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logger: logger,
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auth: av,
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hub: h,
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limiter: limiter,
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backend: newBackendHealthClient(cfg.BackendBase),
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ready: &atomicBool{v: true},
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}
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srv := &http.Server{
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Addr: cfg.Addr,
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Handler: newMux(deps),
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ReadHeaderTimeout: 5 * time.Second,
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}
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go func() {
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logger.Info("world-zap listening", "addr", cfg.Addr, "topics", len(hub.TopicNames()))
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if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
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logger.Error("http serve", "err", err.Error())
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cancel()
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}
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}()
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sig := make(chan os.Signal, 1)
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signal.Notify(sig, syscall.SIGINT, syscall.SIGTERM)
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<-sig
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logger.Info("shutdown requested")
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deps.ready.set(false)
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shutdownCtx, shutdownCancel := context.WithTimeout(context.Background(), 10*time.Second)
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defer shutdownCancel()
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if err := srv.Shutdown(shutdownCtx); err != nil {
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logger.Warn("server shutdown", "err", err.Error())
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}
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cancel()
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if shutdownOtel != nil {
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_ = shutdownOtel(shutdownCtx)
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}
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logger.Info("bye")
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}
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func newLogger(level string) *slog.Logger {
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lvl := slog.LevelInfo
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switch level {
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case "debug":
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lvl = slog.LevelDebug
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case "warn":
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lvl = slog.LevelWarn
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case "error":
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lvl = slog.LevelError
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}
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return slog.New(slog.NewJSONHandler(os.Stdout, &slog.HandlerOptions{Level: lvl}))
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}
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// slogAdapter bridges the structured slog logger to the ingest.Logger
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// interface.
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type slogAdapter struct{ l *slog.Logger }
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func (s slogAdapter) Info(msg string, kv ...any) { s.l.Info(msg, kv...) }
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func (s slogAdapter) Warn(msg string, kv ...any) { s.l.Warn(msg, kv...) }
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func (s slogAdapter) Error(msg string, kv ...any) { s.l.Error(msg, kv...) }
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