cmd/main.go

@@ -2,14 +2,13 @@ package main
 
 import (
 	"context"
-	"flag"
 	"fmt"
 	"os"
 	"os/signal"
 	"syscall"
 
+	"git.defalsify.org/vise.git/db/mem"
 	"git.grassecon.net/urdt/ussd/initializers"
-	"git.grassecon.net/urdt/ussd/common"
 	"git.grassecon.net/term/config"
 	"git.grassecon.net/term/event/nats"
 )
@@ -19,28 +18,14 @@ func init() {
 }
 
 func main() {
-	config.LoadConfig()
-
-	var dbDir string
-	flag.StringVar(&dbDir, "dbdir", ".state", "database dir to read from")
-	flag.Parse()
-
 	ctx := context.Background()
-//	db := mem.NewMemDb()
-//	err := db.Connect(ctx, "")
-//	if err != nil {
-//		fmt.Fprintf(os.Stderr, "Db connect err: %v", err)
-//		os.Exit(1)
-//	}
-
-	menuStorageService := common.NewStorageService(dbDir)
-	err := menuStorageService.EnsureDbDir()
+	db := mem.NewMemDb()
+	err := db.Connect(ctx, "")
 	if err != nil {
-		fmt.Fprintf(os.Stderr, err.Error())
+		fmt.Fprintf(os.Stderr, "Db connect err: %v", err)
 		os.Exit(1)
 	}
-
-	n := nats.NewNatsSubscription(menuStorageService)
+	n := nats.NewNatsSubscription(db)
 	err = n.Connect(ctx, config.JetstreamURL)
 	if err != nil {
 		fmt.Fprintf(os.Stderr, "Stream connect err: %v", err)

event/custodial_registration.go

@@ -5,14 +5,12 @@ import (
 
 	geEvent "github.com/grassrootseconomics/eth-tracker/pkg/event"
 
-	"git.defalsify.org/vise.git/persist"
 	"git.grassecon.net/urdt/ussd/common"
 	"git.grassecon.net/term/lookup"
 )
 
 const (
 	evReg = "CUSTODIAL_REGISTRATION"
-	accountCreatedFlag = 9
 )
 
 // fields used for handling custodial registration event.
@@ -37,20 +35,11 @@ func asCustodialRegistrationEvent(gev *geEvent.Event) (*eventCustodialRegistrati
 }
 
 // handle custodial registration.
-//
-// TODO: implement account created in userstore instead, so that
-// the need for persister and state use here is eliminated (it
-// introduces concurrency risks)
-func handleCustodialRegistration(ctx context.Context, store *common.UserDataStore, pr *persist.Persister, ev *eventCustodialRegistration) error {
+func handleCustodialRegistration(ctx context.Context, store *common.UserDataStore, ev *eventCustodialRegistration) error {
 	identity, err := lookup.IdentityFromAddress(ctx, store, ev.Account)
 	if err != nil {
 		return err
 	}
-	err = pr.Load(identity.SessionId)
-	if err != nil {
-		return err
-	}
-	st := pr.GetState()
-	st.SetFlag(accountCreatedFlag)
-	return pr.Save(identity.SessionId)
+	_ = identity
+	return nil
 }

event/custodial_test.go

@@ -1,62 +0,0 @@
-package event
-
-import (
-	"context"
-	"testing"
-
-	memdb "git.defalsify.org/vise.git/db/mem"
-	"git.defalsify.org/vise.git/db"
-	"git.defalsify.org/vise.git/persist"
-	"git.defalsify.org/vise.git/state"
-	"git.defalsify.org/vise.git/cache"
-	"git.grassecon.net/urdt/ussd/config"
-	"git.grassecon.net/urdt/ussd/common"
-	"git.grassecon.net/term/internal/testutil"
-)
-
-func TestCustodialRegistration(t *testing.T) {
-	err := config.LoadConfig()
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	ctx := context.Background()
-	userDb := memdb.NewMemDb()
-	err = userDb.Connect(ctx, "")
-	if err != nil {
-		panic(err)
-	}
-
-	alice, err := common.NormalizeHex(testutil.AliceChecksum)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	userDb.SetSession(alice)
-	userDb.SetPrefix(db.DATATYPE_USERDATA)
-	err = userDb.Put(ctx, common.PackKey(common.DATA_PUBLIC_KEY_REVERSE, []byte{}), []byte(testutil.AliceSession))
-	if err != nil {
-		t.Fatal(err)
-	}
-	store := common.UserDataStore{
-		Db: userDb,
-	}
-
-	st := state.NewState(248)
-	ca := cache.NewCache()
-	pr := persist.NewPersister(userDb)
-	pr = pr.WithContent(st, ca)
-	err = pr.Save(testutil.AliceSession)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	ev := &eventCustodialRegistration{
-		Account: testutil.AliceChecksum,
-	}
-	err = handleCustodialRegistration(ctx, &store, pr, ev)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-}

event/nats/nats.go

@@ -9,6 +9,7 @@ import (
 	"github.com/nats-io/nats.go/jetstream"
 	geEvent "github.com/grassrootseconomics/eth-tracker/pkg/event"
 	"git.defalsify.org/vise.git/logging"
+	"git.defalsify.org/vise.git/db"
 	"git.grassecon.net/urdt/ussd/common"
 	"git.grassecon.net/term/event"
 	"git.grassecon.net/term/config"
@@ -31,10 +32,12 @@ type NatsSubscription struct {
 }
 
 // NewNatsSubscription creates a new NatsSubscription with the given user store.
-func NewNatsSubscription(store common.StorageServices) *NatsSubscription {
+func NewNatsSubscription(store db.Db) *NatsSubscription {
 	return &NatsSubscription{
 		Router: event.Router{
-			Store: store,
+			Store: &common.UserDataStore{
+				Db: store,
+			},
 		},
 	}
 }

event/nats/nats_test.go

@@ -141,10 +141,8 @@ func TestHandleMsg(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	storageService := &testutil.TestStorageService{
-		Store: userDb,
-	}
-	sub := NewNatsSubscription(storageService)
+
+	sub := NewNatsSubscription(userDb)
 
 	data := fmt.Sprintf(`{
 	"block": %d,

event/route.go

@@ -16,7 +16,8 @@ var (
 
 // Router is responsible for invoking handlers corresponding to events.
 type Router struct {
-	Store common.StorageServices
+	// User data store abstraction over application data.
+	Store *common.UserDataStore
 }
 
 // Route parses an event from the event stream, and resolves the handler
@@ -26,24 +27,13 @@ type Router struct {
 // handler fails to successfully execute.
 func(r *Router) Route(ctx context.Context, gev *geEvent.Event) error {
 	logg.DebugCtxf(ctx, "have event", "ev", gev)
-	store, err := r.Store.GetUserdataDb(ctx)
-	if err != nil {
-		return err
-	}
-	userStore := &common.UserDataStore{
-		Db: store,
-	}
 	evCC, ok := asCustodialRegistrationEvent(gev)
 	if ok {
-		pr, err := r.Store.GetPersister(ctx)
-		if err != nil {
-			return err
-		}
-		return handleCustodialRegistration(ctx, userStore, pr, evCC)
+		return handleCustodialRegistration(ctx, r.Store, evCC)
 	}
 	evTT, ok := asTokenTransferEvent(gev)
 	if ok {
-		return handleTokenTransfer(ctx, userStore, evTT)
+		return handleTokenTransfer(ctx, r.Store, evTT)
 	}
 
 	return fmt.Errorf("unexpected message")

event/token_test.go

@@ -78,7 +78,6 @@ func TestTokenTransfer(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	// TODO: deduplicate test setup
 	userDb.SetSession(alice)
 	userDb.SetPrefix(db.DATATYPE_USERDATA)
 	err = userDb.Put(ctx, common.PackKey(common.DATA_PUBLIC_KEY_REVERSE, []byte{}), []byte(testutil.AliceSession))
@@ -98,43 +97,6 @@ func TestTokenTransfer(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-
-	v, err := store.ReadEntry(ctx, testutil.AliceSession, common.DATA_ACTIVE_SYM)
-	if err != nil {
-		t.Fatal(err)
-	}
-	if !bytes.Equal(v, []byte(tokenSymbol)) {
-		t.Fatalf("expected '%s', got %s", tokenSymbol, v)
-	}
-
-	v, err = store.ReadEntry(ctx, testutil.AliceSession, common.DATA_ACTIVE_BAL)
-	if err != nil {
-		t.Fatal(err)
-	}
-	if !bytes.Equal(v, []byte(strconv.Itoa(tokenBalance))) {
-		t.Fatalf("expected '%d', got %s", tokenBalance, v)
-	}
-
-	v, err = store.ReadEntry(ctx, testutil.AliceSession, common.DATA_TRANSACTIONS)
-	if err != nil {
-		t.Fatal(err)
-	}
-	if !bytes.Contains(v, []byte("abcdef")) {
-		t.Fatal("no transaction data")
-	}
-
-	userDb.SetPrefix(DATATYPE_USERSUB)
-	userDb.SetSession(testutil.AliceSession)
-	k := append([]byte("vouchers"), []byte("sym")...)
-	v, err = userDb.Get(ctx, k)
-	if err != nil {
-		t.Fatal(err)
-	}
-	if !bytes.Contains(v, []byte(fmt.Sprintf("1:%s", tokenSymbol))) {
-		t.Fatalf("expected '1:%s', got %s", tokenSymbol, v)
-	}
-
-
 }
 
 func TestTokenMint(t *testing.T) {

internal/testutil/service.go

@@ -1,35 +0,0 @@
-package testutil
-
-import (
-	"context"
-	"errors"
-
-	"git.defalsify.org/vise.git/persist"
-	"git.defalsify.org/vise.git/resource"
-	"git.defalsify.org/vise.git/db"
-)
-
-// TestStorageService wraps db for nats subscription.
-type TestStorageService struct {
-	Store  db.Db
-}
-
-// GetUserdataDb implements urdt/ussd/common.StorageServices.
-func(ss *TestStorageService) GetUserdataDb(ctx context.Context) (db.Db, error) {
-	return ss.Store, nil
-}
-
-// GetPersister implements urdt/ussd/common.StorageServices.
-func(ts *TestStorageService) GetPersister(ctx context.Context) (*persist.Persister, error) {
-	return persist.NewPersister(ts.Store), nil
-}
-
-// GetResource implements urdt/ussd/common.StorageServices.
-func(ts *TestStorageService) GetResource(ctx context.Context) (resource.Resource, error) {
-	return nil, errors.New("not implemented")
-}
-
-// EnsureDbDir implements urdt/ussd/common.StorageServices.
-func(ss *TestStorageService) EnsureDbDir() error {
-	return nil
-}