Stage 6: gateway edge (Connect/FlatBuffers over h2c, platform/email/guest auth, sessions, rate-limit, admin passthrough, live push bridge)
New public ingress and the first network edge. Framework + a vertical slice of operations end-to-end; remaining ops reuse the same transcode pattern in Stage 7. Contracts (new module scrabble/pkg): - push.proto (backend->gateway gRPC server-stream) + scrabble.fbs (FlatBuffers edge payloads), committed generated Go; buf/flatc Makefiles (dev-time codegen). Backend: - REST handlers on the /api/v1 groups: internal session endpoints (telegram/guest/email login -> mint, resolve, revoke) and the user slice (profile, submit_play, state, lobby enqueue/poll, chat). - internal/notify in-process Publisher hub + internal/pushgrpc gRPC server (BACKEND_GRPC_ADDR) streaming your_turn/opponent_moved/chat/nudge/match_found; emission in game.commit, social, matchmaker. - migration 00005 accounts.is_guest; guests are durable rows excluded from stats; ProvisionGuest; email-as-login (RequestLoginCode/LoginWithCode). Gateway (new module scrabble/gateway): - Connect Gateway service over h2c (Execute + Subscribe), FlatBuffers<->JSON transcode registry, Telegram initData HMAC validator (seam), session cache, token-bucket rate limiter (3 classes), push fan-out hub, backend REST + push gRPC client, admin Basic-Auth reverse proxy. go.work: use ./pkg, ./gateway + replace scrabble/pkg. CI: gateway/**, pkg/** path filters; unit build/vet/test span all three modules. Docs (PLAN, ARCHITECTURE, FUNCTIONAL+ru, TESTING, READMEs) updated; gateway/pkg unit tests + guest/email-login integration tests.
This commit is contained in:
Ilia Denisov
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// Code generated by protoc-gen-connect-go. DO NOT EDIT.
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//
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// Source: edge/v1/edge.proto
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// Package scrabble.edge.v1 is the client <-> gateway Connect-RPC contract. It is
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// deliberately minimal (ARCHITECTURE.md §2): a single unary Execute that routes
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// by message_type, and a server-streaming Subscribe for the in-app live channel.
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// The actual request/response and event bodies travel as FlatBuffers bytes in the
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// payload fields (pkg/fbs). The session token rides in the Authorization header,
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// not the envelope (no per-request signing — ARCHITECTURE.md §3).
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package edgev1connect
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import (
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connect "connectrpc.com/connect"
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context "context"
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errors "errors"
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http "net/http"
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v1 "scrabble/gateway/proto/edge/v1"
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strings "strings"
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)
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// This is a compile-time assertion to ensure that this generated file and the connect package are
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// compatible. If you get a compiler error that this constant is not defined, this code was
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// generated with a version of connect newer than the one compiled into your binary. You can fix the
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// problem by either regenerating this code with an older version of connect or updating the connect
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// version compiled into your binary.
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const _ = connect.IsAtLeastVersion1_13_0
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const (
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// GatewayName is the fully-qualified name of the Gateway service.
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GatewayName = "scrabble.edge.v1.Gateway"
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)
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// These constants are the fully-qualified names of the RPCs defined in this package. They're
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// exposed at runtime as Spec.Procedure and as the final two segments of the HTTP route.
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//
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// Note that these are different from the fully-qualified method names used by
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// google.golang.org/protobuf/reflect/protoreflect. To convert from these constants to
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// reflection-formatted method names, remove the leading slash and convert the remaining slash to a
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// period.
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const (
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// GatewayExecuteProcedure is the fully-qualified name of the Gateway's Execute RPC.
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GatewayExecuteProcedure = "/scrabble.edge.v1.Gateway/Execute"
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// GatewaySubscribeProcedure is the fully-qualified name of the Gateway's Subscribe RPC.
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GatewaySubscribeProcedure = "/scrabble.edge.v1.Gateway/Subscribe"
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)
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// GatewayClient is a client for the scrabble.edge.v1.Gateway service.
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type GatewayClient interface {
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// Execute runs one unary operation identified by message_type. Auth operations
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// (auth.*) are unauthenticated and return a minted session; all others require
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// a valid session token in the Authorization header.
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Execute(context.Context, *connect.Request[v1.ExecuteRequest]) (*connect.Response[v1.ExecuteResponse], error)
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// Subscribe opens the in-app live-event stream for the authenticated session.
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Subscribe(context.Context, *connect.Request[v1.SubscribeRequest]) (*connect.ServerStreamForClient[v1.Event], error)
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}
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// NewGatewayClient constructs a client for the scrabble.edge.v1.Gateway service. By default, it
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// uses the Connect protocol with the binary Protobuf Codec, asks for gzipped responses, and sends
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// uncompressed requests. To use the gRPC or gRPC-Web protocols, supply the connect.WithGRPC() or
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// connect.WithGRPCWeb() options.
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//
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// The URL supplied here should be the base URL for the Connect or gRPC server (for example,
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// http://api.acme.com or https://acme.com/grpc).
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func NewGatewayClient(httpClient connect.HTTPClient, baseURL string, opts ...connect.ClientOption) GatewayClient {
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baseURL = strings.TrimRight(baseURL, "/")
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gatewayMethods := v1.File_edge_v1_edge_proto.Services().ByName("Gateway").Methods()
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return &gatewayClient{
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execute: connect.NewClient[v1.ExecuteRequest, v1.ExecuteResponse](
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httpClient,
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baseURL+GatewayExecuteProcedure,
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connect.WithSchema(gatewayMethods.ByName("Execute")),
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connect.WithClientOptions(opts...),
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),
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subscribe: connect.NewClient[v1.SubscribeRequest, v1.Event](
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httpClient,
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baseURL+GatewaySubscribeProcedure,
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connect.WithSchema(gatewayMethods.ByName("Subscribe")),
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connect.WithClientOptions(opts...),
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),
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}
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}
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// gatewayClient implements GatewayClient.
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type gatewayClient struct {
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execute *connect.Client[v1.ExecuteRequest, v1.ExecuteResponse]
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subscribe *connect.Client[v1.SubscribeRequest, v1.Event]
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}
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// Execute calls scrabble.edge.v1.Gateway.Execute.
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func (c *gatewayClient) Execute(ctx context.Context, req *connect.Request[v1.ExecuteRequest]) (*connect.Response[v1.ExecuteResponse], error) {
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return c.execute.CallUnary(ctx, req)
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}
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// Subscribe calls scrabble.edge.v1.Gateway.Subscribe.
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func (c *gatewayClient) Subscribe(ctx context.Context, req *connect.Request[v1.SubscribeRequest]) (*connect.ServerStreamForClient[v1.Event], error) {
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return c.subscribe.CallServerStream(ctx, req)
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}
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// GatewayHandler is an implementation of the scrabble.edge.v1.Gateway service.
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type GatewayHandler interface {
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// Execute runs one unary operation identified by message_type. Auth operations
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// (auth.*) are unauthenticated and return a minted session; all others require
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// a valid session token in the Authorization header.
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Execute(context.Context, *connect.Request[v1.ExecuteRequest]) (*connect.Response[v1.ExecuteResponse], error)
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// Subscribe opens the in-app live-event stream for the authenticated session.
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Subscribe(context.Context, *connect.Request[v1.SubscribeRequest], *connect.ServerStream[v1.Event]) error
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}
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// NewGatewayHandler builds an HTTP handler from the service implementation. It returns the path on
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// which to mount the handler and the handler itself.
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//
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// By default, handlers support the Connect, gRPC, and gRPC-Web protocols with the binary Protobuf
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// and JSON codecs. They also support gzip compression.
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func NewGatewayHandler(svc GatewayHandler, opts ...connect.HandlerOption) (string, http.Handler) {
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gatewayMethods := v1.File_edge_v1_edge_proto.Services().ByName("Gateway").Methods()
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gatewayExecuteHandler := connect.NewUnaryHandler(
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GatewayExecuteProcedure,
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svc.Execute,
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connect.WithSchema(gatewayMethods.ByName("Execute")),
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connect.WithHandlerOptions(opts...),
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)
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gatewaySubscribeHandler := connect.NewServerStreamHandler(
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GatewaySubscribeProcedure,
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svc.Subscribe,
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connect.WithSchema(gatewayMethods.ByName("Subscribe")),
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connect.WithHandlerOptions(opts...),
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)
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return "/scrabble.edge.v1.Gateway/", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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switch r.URL.Path {
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case GatewayExecuteProcedure:
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gatewayExecuteHandler.ServeHTTP(w, r)
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case GatewaySubscribeProcedure:
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gatewaySubscribeHandler.ServeHTTP(w, r)
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default:
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http.NotFound(w, r)
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}
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})
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}
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// UnimplementedGatewayHandler returns CodeUnimplemented from all methods.
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type UnimplementedGatewayHandler struct{}
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func (UnimplementedGatewayHandler) Execute(context.Context, *connect.Request[v1.ExecuteRequest]) (*connect.Response[v1.ExecuteResponse], error) {
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return nil, connect.NewError(connect.CodeUnimplemented, errors.New("scrabble.edge.v1.Gateway.Execute is not implemented"))
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}
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func (UnimplementedGatewayHandler) Subscribe(context.Context, *connect.Request[v1.SubscribeRequest], *connect.ServerStream[v1.Event]) error {
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return connect.NewError(connect.CodeUnimplemented, errors.New("scrabble.edge.v1.Gateway.Subscribe is not implemented"))
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}
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