Merge remote-tracking branch 'origin/master' into wip-pin-reset

.env.example

@@ -1,20 +0,0 @@
-#Serve Http
-PORT=7123
-HOST=127.0.0.1
-
-#AfricasTalking USSD POST endpoint
-AT_ENDPOINT=/ussd/africastalking
-
-#PostgreSQL
-DB_CONN=postgres://postgres:strongpass@localhost:5432/urdt_ussd
-#DB_TIMEZONE=Africa/Nairobi
-#DB_SCHEMA=vise
-
-#External API Calls
-CUSTODIAL_URL_BASE=http://localhost:5003
-BEARER_TOKEN=eyJeSIsInRcCI6IkpXVCJ.yJwdWJsaWNLZXkiOiIwrrrrrr
-DATA_URL_BASE=http://localhost:5006
-
-#Language
-DEFAULT_LANGUAGE=eng
-LANGUAGES=eng, swa

.gitignore

@@ -4,6 +4,3 @@ go.work*
 **/*/*.bin
 **/*/.state/
 cmd/.state/
-id_*
-*.gdbm
-*.log

README.md

@@ -0,0 +1,9 @@
+# ussd
+
+> USSD
+
+USSD service.
+
+## License
+
+[AGPL-3.0](LICENSE).

cmd/africastalking/main.go

@@ -0,0 +1,257 @@
+package main
+
+import (
+	"context"
+	"flag"
+	"fmt"
+	"net/http"
+	"os"
+	"os/signal"
+	"path"
+	"strconv"
+	"strings"
+	"syscall"
+
+	"git.defalsify.org/vise.git/asm"
+	"git.defalsify.org/vise.git/db"
+	fsdb "git.defalsify.org/vise.git/db/fs"
+	gdbmdb "git.defalsify.org/vise.git/db/gdbm"
+	"git.defalsify.org/vise.git/engine"
+	"git.defalsify.org/vise.git/logging"
+	"git.defalsify.org/vise.git/resource"
+
+	"git.grassecon.net/urdt/ussd/internal/handlers"
+	"git.grassecon.net/urdt/ussd/internal/handlers/ussd"
+	httpserver "git.grassecon.net/urdt/ussd/internal/http"
+)
+
+var (
+	logg = logging.NewVanilla()
+	scriptDir = path.Join("services", "registration")
+)
+
+type atRequestParser struct {}
+
+func(arp *atRequestParser) GetSessionId(rq any) (string, error) {
+	rqv, ok := rq.(*http.Request)
+	if !ok {
+		return "", handlers.ErrInvalidRequest
+	}
+	if err := rqv.ParseForm(); err != nil {
+		return "", fmt.Errorf("failed to parse form data: %v", err)
+	}
+
+	phoneNumber := rqv.FormValue("phoneNumber")
+	if phoneNumber == "" {
+		return "", fmt.Errorf("no phone number found")
+	}
+
+	return phoneNumber, nil
+}
+
+func(arp *atRequestParser) GetInput(rq any) ([]byte, error) {
+	rqv, ok := rq.(*http.Request)
+	if !ok {
+		return nil, handlers.ErrInvalidRequest
+	}
+	if err := rqv.ParseForm(); err != nil {
+		return nil, fmt.Errorf("failed to parse form data: %v", err)
+	}
+
+	text := rqv.FormValue("text")
+
+	parts := strings.Split(text, "*")
+	if len(parts) == 0 {
+		return nil, fmt.Errorf("no input found")
+	}
+
+	return []byte(parts[len(parts)-1]), nil
+}
+
+
+func getFlags(fp string, debug bool) (*asm.FlagParser, error) {
+	flagParser := asm.NewFlagParser().WithDebug()
+	_, err := flagParser.Load(fp)
+	if err != nil {
+		return nil, err
+	}
+	return flagParser, nil
+}
+
+func getHandler(appFlags *asm.FlagParser, rs *resource.DbResource, userdataStore db.Db) (*ussd.Handlers, error) {
+
+	ussdHandlers, err := ussd.NewHandlers(appFlags, userdataStore)
+	if err != nil {
+		return nil, err
+	}
+	rs.AddLocalFunc("select_language", ussdHandlers.SetLanguage)
+	rs.AddLocalFunc("create_account", ussdHandlers.CreateAccount)
+	rs.AddLocalFunc("save_pin", ussdHandlers.SavePin)
+	rs.AddLocalFunc("verify_pin", ussdHandlers.VerifyPin)
+	rs.AddLocalFunc("check_identifier", ussdHandlers.CheckIdentifier)
+	rs.AddLocalFunc("check_account_status", ussdHandlers.CheckAccountStatus)
+	rs.AddLocalFunc("authorize_account", ussdHandlers.Authorize)
+	rs.AddLocalFunc("quit", ussdHandlers.Quit)
+	rs.AddLocalFunc("check_balance", ussdHandlers.CheckBalance)
+	rs.AddLocalFunc("validate_recipient", ussdHandlers.ValidateRecipient)
+	rs.AddLocalFunc("transaction_reset", ussdHandlers.TransactionReset)
+	rs.AddLocalFunc("max_amount", ussdHandlers.MaxAmount)
+	rs.AddLocalFunc("validate_amount", ussdHandlers.ValidateAmount)
+	rs.AddLocalFunc("reset_transaction_amount", ussdHandlers.ResetTransactionAmount)
+	rs.AddLocalFunc("get_recipient", ussdHandlers.GetRecipient)
+	rs.AddLocalFunc("get_sender", ussdHandlers.GetSender)
+	rs.AddLocalFunc("get_amount", ussdHandlers.GetAmount)
+	rs.AddLocalFunc("reset_incorrect", ussdHandlers.ResetIncorrectPin)
+	rs.AddLocalFunc("save_firstname", ussdHandlers.SaveFirstname)
+	rs.AddLocalFunc("save_familyname", ussdHandlers.SaveFamilyname)
+	rs.AddLocalFunc("save_gender", ussdHandlers.SaveGender)
+	rs.AddLocalFunc("save_location", ussdHandlers.SaveLocation)
+	rs.AddLocalFunc("save_yob", ussdHandlers.SaveYob)
+	rs.AddLocalFunc("save_offerings", ussdHandlers.SaveOfferings)
+	rs.AddLocalFunc("quit_with_balance", ussdHandlers.QuitWithBalance)
+	rs.AddLocalFunc("reset_account_authorized", ussdHandlers.ResetAccountAuthorized)
+	rs.AddLocalFunc("reset_allow_update", ussdHandlers.ResetAllowUpdate)
+	rs.AddLocalFunc("get_profile_info", ussdHandlers.GetProfileInfo)
+	rs.AddLocalFunc("verify_yob", ussdHandlers.VerifyYob)
+	rs.AddLocalFunc("reset_incorrect_date_format", ussdHandlers.ResetIncorrectYob)
+	rs.AddLocalFunc("set_reset_single_edit", ussdHandlers.SetResetSingleEdit)
+	rs.AddLocalFunc("initiate_transaction", ussdHandlers.InitiateTransaction)
+
+	return ussdHandlers, nil
+}
+
+func ensureDbDir(dbDir string) error {
+	err := os.MkdirAll(dbDir, 0700)
+	if err != nil {
+		return fmt.Errorf("state dir create exited with error: %v\n", err)
+	}
+	return nil
+}
+
+func getStateStore(dbDir string, ctx context.Context) (db.Db, error) {
+	store := gdbmdb.NewGdbmDb()
+	storeFile := path.Join(dbDir, "state.gdbm")
+	store.Connect(ctx, storeFile)
+	return store, nil
+}
+
+func getUserdataDb(dbDir string, ctx context.Context) db.Db {
+	store := gdbmdb.NewGdbmDb()
+	storeFile := path.Join(dbDir, "userdata.gdbm")
+	store.Connect(ctx, storeFile)
+	
+	return store
+}
+
+func getResource(resourceDir string, ctx context.Context) (resource.Resource, error) {
+	store := fsdb.NewFsDb()
+	err := store.Connect(ctx, resourceDir)
+	if err != nil {
+		return nil, err
+	}
+	rfs := resource.NewDbResource(store)
+	return rfs, nil
+}
+
+
+func main() {
+	var dbDir string
+	var resourceDir string
+	var size uint
+	var engineDebug bool
+	var stateDebug bool
+	var host string
+	var port uint
+	flag.StringVar(&dbDir, "dbdir", ".state", "database dir to read from")
+	flag.StringVar(&resourceDir, "resourcedir", path.Join("services", "registration"), "resource dir")
+	flag.BoolVar(&engineDebug, "engine-debug", false, "use engine debug output")
+	flag.BoolVar(&stateDebug, "state-debug", false, "use engine debug output")
+	flag.UintVar(&size, "s", 160, "max size of output")
+	flag.StringVar(&host, "h", "127.0.0.1", "http host")
+	flag.UintVar(&port, "p", 7123, "http port")
+	flag.Parse()
+
+	logg.Infof("start command", "dbdir", dbDir, "resourcedir", resourceDir,  "outputsize", size)
+
+	ctx := context.Background()
+	pfp := path.Join(scriptDir, "pp.csv")
+	flagParser, err := getFlags(pfp, true)
+
+	if err != nil {
+		os.Exit(1)
+	}
+
+	cfg := engine.Config{
+		Root:       "root",
+		OutputSize: uint32(size),
+		FlagCount:  uint32(16),
+	}
+	if stateDebug {
+		cfg.StateDebug = true
+	}
+	if engineDebug {
+		cfg.EngineDebug = true
+	}
+
+	rs, err := getResource(resourceDir, ctx)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+
+	err = ensureDbDir(dbDir)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+
+	userdataStore := getUserdataDb(dbDir, ctx)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+	defer userdataStore.Close()
+
+	dbResource, ok := rs.(*resource.DbResource)
+	if !ok {
+		os.Exit(1)
+	}
+
+	hl, err := getHandler(flagParser, dbResource, userdataStore)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+
+	stateStore, err := getStateStore(dbDir, ctx)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+	defer stateStore.Close()
+
+	rp := &atRequestParser{}
+	bsh := handlers.NewBaseSessionHandler(cfg, rs, stateStore, userdataStore, rp, hl)
+	sh := httpserver.NewATSessionHandler(bsh)
+	s := &http.Server{
+		Addr: fmt.Sprintf("%s:%s", host, strconv.Itoa(int(port))),
+		Handler: sh,
+	}
+	s.RegisterOnShutdown(sh.Shutdown)
+
+	cint := make(chan os.Signal)
+	cterm := make(chan os.Signal)
+	signal.Notify(cint, os.Interrupt, syscall.SIGINT)
+	signal.Notify(cterm, os.Interrupt, syscall.SIGTERM)
+	go func() {
+		select {
+		case _ = <-cint:
+		case _ = <-cterm:
+		}
+		s.Shutdown(ctx)
+	}()
+	err = s.ListenAndServe()
+	if err != nil {
+		logg.Infof("Server closed with error", "err", err)
+	}
+}

cmd/async/main.go

@@ -0,0 +1,251 @@
+package main
+
+import (
+	"context"
+	"flag"
+	"fmt"
+	"os"
+	"os/signal"
+	"path"
+	"syscall"
+
+	"git.defalsify.org/vise.git/asm"
+	"git.defalsify.org/vise.git/db"
+	fsdb "git.defalsify.org/vise.git/db/fs"
+	gdbmdb "git.defalsify.org/vise.git/db/gdbm"
+	"git.defalsify.org/vise.git/engine"
+	"git.defalsify.org/vise.git/resource"
+	"git.defalsify.org/vise.git/logging"
+
+	"git.grassecon.net/urdt/ussd/internal/handlers/ussd"
+	"git.grassecon.net/urdt/ussd/internal/handlers"
+)
+
+var (
+	logg = logging.NewVanilla()
+	scriptDir = path.Join("services", "registration")
+)
+
+type asyncRequestParser struct {
+	sessionId string
+	input []byte
+}
+
+func(p *asyncRequestParser) GetSessionId(r any) (string, error) {
+	return p.sessionId, nil
+}
+
+func(p *asyncRequestParser) GetInput(r any) ([]byte, error) {
+	return p.input, nil
+}
+
+func getFlags(fp string, debug bool) (*asm.FlagParser, error) {
+	flagParser := asm.NewFlagParser().WithDebug()
+	_, err := flagParser.Load(fp)
+	if err != nil {
+		return nil, err
+	}
+	return flagParser, nil
+}
+
+func getHandler(appFlags *asm.FlagParser, rs *resource.DbResource, userdataStore db.Db) (*ussd.Handlers, error) {
+
+	ussdHandlers, err := ussd.NewHandlers(appFlags, userdataStore)
+	if err != nil {
+		return nil, err
+	}
+	rs.AddLocalFunc("select_language", ussdHandlers.SetLanguage)
+	rs.AddLocalFunc("create_account", ussdHandlers.CreateAccount)
+	rs.AddLocalFunc("save_pin", ussdHandlers.SavePin)
+	rs.AddLocalFunc("verify_pin", ussdHandlers.VerifyPin)
+	rs.AddLocalFunc("check_identifier", ussdHandlers.CheckIdentifier)
+	rs.AddLocalFunc("check_account_status", ussdHandlers.CheckAccountStatus)
+	rs.AddLocalFunc("authorize_account", ussdHandlers.Authorize)
+	rs.AddLocalFunc("quit", ussdHandlers.Quit)
+	rs.AddLocalFunc("check_balance", ussdHandlers.CheckBalance)
+	rs.AddLocalFunc("validate_recipient", ussdHandlers.ValidateRecipient)
+	rs.AddLocalFunc("transaction_reset", ussdHandlers.TransactionReset)
+	rs.AddLocalFunc("max_amount", ussdHandlers.MaxAmount)
+	rs.AddLocalFunc("validate_amount", ussdHandlers.ValidateAmount)
+	rs.AddLocalFunc("reset_transaction_amount", ussdHandlers.ResetTransactionAmount)
+	rs.AddLocalFunc("get_recipient", ussdHandlers.GetRecipient)
+	rs.AddLocalFunc("get_sender", ussdHandlers.GetSender)
+	rs.AddLocalFunc("get_amount", ussdHandlers.GetAmount)
+	rs.AddLocalFunc("reset_incorrect", ussdHandlers.ResetIncorrectPin)
+	rs.AddLocalFunc("save_firstname", ussdHandlers.SaveFirstname)
+	rs.AddLocalFunc("save_familyname", ussdHandlers.SaveFamilyname)
+	rs.AddLocalFunc("save_gender", ussdHandlers.SaveGender)
+	rs.AddLocalFunc("save_location", ussdHandlers.SaveLocation)
+	rs.AddLocalFunc("save_yob", ussdHandlers.SaveYob)
+	rs.AddLocalFunc("save_offerings", ussdHandlers.SaveOfferings)
+	rs.AddLocalFunc("quit_with_balance", ussdHandlers.QuitWithBalance)
+	rs.AddLocalFunc("reset_account_authorized", ussdHandlers.ResetAccountAuthorized)
+	rs.AddLocalFunc("reset_allow_update", ussdHandlers.ResetAllowUpdate)
+	rs.AddLocalFunc("get_profile_info", ussdHandlers.GetProfileInfo)
+	rs.AddLocalFunc("verify_yob", ussdHandlers.VerifyYob)
+	rs.AddLocalFunc("reset_incorrect_date_format", ussdHandlers.ResetIncorrectYob)
+	rs.AddLocalFunc("set_reset_single_edit", ussdHandlers.SetResetSingleEdit)
+	rs.AddLocalFunc("initiate_transaction", ussdHandlers.InitiateTransaction)
+
+	return ussdHandlers, nil
+}
+
+func ensureDbDir(dbDir string) error {
+	err := os.MkdirAll(dbDir, 0700)
+	if err != nil {
+		return fmt.Errorf("state dir create exited with error: %v\n", err)
+	}
+	return nil
+}
+
+func getStateStore(dbDir string, ctx context.Context) (db.Db, error) {
+	store := gdbmdb.NewGdbmDb()
+	storeFile := path.Join(dbDir, "state.gdbm")
+	store.Connect(ctx, storeFile)
+	return store, nil
+}
+
+func getUserdataDb(dbDir string, ctx context.Context) db.Db {
+	store := gdbmdb.NewGdbmDb()
+	storeFile := path.Join(dbDir, "userdata.gdbm")
+	store.Connect(ctx, storeFile)
+	
+	return store
+}
+
+func getResource(resourceDir string, ctx context.Context) (resource.Resource, error) {
+	store := fsdb.NewFsDb()
+	err := store.Connect(ctx, resourceDir)
+	if err != nil {
+		return nil, err
+	}
+	rfs := resource.NewDbResource(store)
+	return rfs, nil
+}
+
+
+func main() {
+	var sessionId string
+	var dbDir string
+	var resourceDir string
+	var size uint
+	var engineDebug bool
+	var stateDebug bool
+	var host string
+	var port uint
+	flag.StringVar(&sessionId, "session-id", "075xx2123", "session id")
+	flag.StringVar(&dbDir, "dbdir", ".state", "database dir to read from")
+	flag.StringVar(&resourceDir, "resourcedir", path.Join("services", "registration"), "resource dir")
+	flag.BoolVar(&engineDebug, "engine-debug", false, "use engine debug output")
+	flag.BoolVar(&stateDebug, "state-debug", false, "use engine debug output")
+	flag.UintVar(&size, "s", 160, "max size of output")
+	flag.StringVar(&host, "h", "127.0.0.1", "http host")
+	flag.UintVar(&port, "p", 7123, "http port")
+	flag.Parse()
+
+	logg.Infof("start command", "dbdir", dbDir, "resourcedir", resourceDir,  "outputsize", size, "sessionId", sessionId)
+
+	ctx := context.Background()
+	pfp := path.Join(scriptDir, "pp.csv")
+	flagParser, err := getFlags(pfp, true)
+
+	if err != nil {
+		os.Exit(1)
+	}
+
+	cfg := engine.Config{
+		Root:       "root",
+		OutputSize: uint32(size),
+		FlagCount:  uint32(16),
+	}
+	if stateDebug {
+		cfg.StateDebug = true
+	}
+	if engineDebug {
+		cfg.EngineDebug = true
+	}
+
+	rs, err := getResource(resourceDir, ctx)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+
+	err = ensureDbDir(dbDir)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+
+	userdataStore := getUserdataDb(dbDir, ctx)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+	defer userdataStore.Close()
+
+	dbResource, ok := rs.(*resource.DbResource)
+	if !ok {
+		os.Exit(1)
+	}
+
+	hl, err := getHandler(flagParser, dbResource, userdataStore)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+
+	stateStore, err := getStateStore(dbDir, ctx)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+	defer stateStore.Close()
+
+	rp := &asyncRequestParser{
+		sessionId: sessionId,
+	}
+	sh := handlers.NewBaseSessionHandler(cfg, rs, stateStore, userdataStore, rp, hl)
+	cfg.SessionId = sessionId
+	rqs := handlers.RequestSession{
+		Ctx: ctx,
+		Writer: os.Stdout,
+		Config: cfg,
+	}
+
+	cint := make(chan os.Signal)
+	cterm := make(chan os.Signal)
+	signal.Notify(cint, os.Interrupt, syscall.SIGINT)
+	signal.Notify(cterm, os.Interrupt, syscall.SIGTERM)
+	go func() {
+		select {
+		case _ = <-cint:
+		case _ = <-cterm:
+		}
+		sh.Shutdown()
+	}()
+
+	for true {
+		rqs, err = sh.Process(rqs)
+		if err != nil {
+			fmt.Errorf("error in process: %v", err)
+			os.Exit(1)
+		}
+		rqs, err = sh.Output(rqs)
+		if err != nil {
+			fmt.Errorf("error in output: %v", err)
+			os.Exit(1)
+		}
+		rqs, err = sh.Reset(rqs)
+		if err != nil {
+			fmt.Errorf("error in reset: %v", err)
+			os.Exit(1)
+		}
+		fmt.Println("")
+		_, err = fmt.Scanln(&rqs.Input)
+		if err != nil {
+		fmt.Errorf("error in input: %v", err)
+			os.Exit(1)
+		}
+	}
+}

cmd/http/main.go

@@ -0,0 +1,217 @@
+package main
+
+import (
+	"context"
+	"flag"
+	"fmt"
+	"net/http"
+	"os"
+	"os/signal"
+	"path"
+	"strconv"
+	"syscall"
+
+	"git.defalsify.org/vise.git/asm"
+	"git.defalsify.org/vise.git/db"
+	fsdb "git.defalsify.org/vise.git/db/fs"
+	gdbmdb "git.defalsify.org/vise.git/db/gdbm"
+	"git.defalsify.org/vise.git/engine"
+	"git.defalsify.org/vise.git/resource"
+	"git.defalsify.org/vise.git/logging"
+
+	"git.grassecon.net/urdt/ussd/internal/handlers/ussd"
+	"git.grassecon.net/urdt/ussd/internal/handlers"
+	httpserver "git.grassecon.net/urdt/ussd/internal/http"
+)
+
+var (
+	logg = logging.NewVanilla()
+	scriptDir = path.Join("services", "registration")
+)
+
+func getFlags(fp string, debug bool) (*asm.FlagParser, error) {
+	flagParser := asm.NewFlagParser().WithDebug()
+	_, err := flagParser.Load(fp)
+	if err != nil {
+		return nil, err
+	}
+	return flagParser, nil
+}
+
+func getHandler(appFlags *asm.FlagParser, rs *resource.DbResource, userdataStore db.Db) (*ussd.Handlers, error) {
+
+	ussdHandlers, err := ussd.NewHandlers(appFlags, userdataStore)
+	if err != nil {
+		return nil, err
+	}
+	rs.AddLocalFunc("select_language", ussdHandlers.SetLanguage)
+	rs.AddLocalFunc("create_account", ussdHandlers.CreateAccount)
+	rs.AddLocalFunc("save_pin", ussdHandlers.SavePin)
+	rs.AddLocalFunc("verify_pin", ussdHandlers.VerifyPin)
+	rs.AddLocalFunc("check_identifier", ussdHandlers.CheckIdentifier)
+	rs.AddLocalFunc("check_account_status", ussdHandlers.CheckAccountStatus)
+	rs.AddLocalFunc("authorize_account", ussdHandlers.Authorize)
+	rs.AddLocalFunc("quit", ussdHandlers.Quit)
+	rs.AddLocalFunc("check_balance", ussdHandlers.CheckBalance)
+	rs.AddLocalFunc("validate_recipient", ussdHandlers.ValidateRecipient)
+	rs.AddLocalFunc("transaction_reset", ussdHandlers.TransactionReset)
+	rs.AddLocalFunc("max_amount", ussdHandlers.MaxAmount)
+	rs.AddLocalFunc("validate_amount", ussdHandlers.ValidateAmount)
+	rs.AddLocalFunc("reset_transaction_amount", ussdHandlers.ResetTransactionAmount)
+	rs.AddLocalFunc("get_recipient", ussdHandlers.GetRecipient)
+	rs.AddLocalFunc("get_sender", ussdHandlers.GetSender)
+	rs.AddLocalFunc("get_amount", ussdHandlers.GetAmount)
+	rs.AddLocalFunc("reset_incorrect", ussdHandlers.ResetIncorrectPin)
+	rs.AddLocalFunc("save_firstname", ussdHandlers.SaveFirstname)
+	rs.AddLocalFunc("save_familyname", ussdHandlers.SaveFamilyname)
+	rs.AddLocalFunc("save_gender", ussdHandlers.SaveGender)
+	rs.AddLocalFunc("save_location", ussdHandlers.SaveLocation)
+	rs.AddLocalFunc("save_yob", ussdHandlers.SaveYob)
+	rs.AddLocalFunc("save_offerings", ussdHandlers.SaveOfferings)
+	rs.AddLocalFunc("quit_with_balance", ussdHandlers.QuitWithBalance)
+	rs.AddLocalFunc("reset_account_authorized", ussdHandlers.ResetAccountAuthorized)
+	rs.AddLocalFunc("reset_allow_update", ussdHandlers.ResetAllowUpdate)
+	rs.AddLocalFunc("get_profile_info", ussdHandlers.GetProfileInfo)
+	rs.AddLocalFunc("verify_yob", ussdHandlers.VerifyYob)
+	rs.AddLocalFunc("reset_incorrect_date_format", ussdHandlers.ResetIncorrectYob)
+	rs.AddLocalFunc("set_reset_single_edit", ussdHandlers.SetResetSingleEdit)
+	rs.AddLocalFunc("initiate_transaction", ussdHandlers.InitiateTransaction)
+
+	return ussdHandlers, nil
+}
+
+func ensureDbDir(dbDir string) error {
+	err := os.MkdirAll(dbDir, 0700)
+	if err != nil {
+		return fmt.Errorf("state dir create exited with error: %v\n", err)
+	}
+	return nil
+}
+
+func getStateStore(dbDir string, ctx context.Context) (db.Db, error) {
+	store := gdbmdb.NewGdbmDb()
+	storeFile := path.Join(dbDir, "state.gdbm")
+	store.Connect(ctx, storeFile)
+	return store, nil
+}
+
+func getUserdataDb(dbDir string, ctx context.Context) db.Db {
+	store := gdbmdb.NewGdbmDb()
+	storeFile := path.Join(dbDir, "userdata.gdbm")
+	store.Connect(ctx, storeFile)
+	
+	return store
+}
+
+func getResource(resourceDir string, ctx context.Context) (resource.Resource, error) {
+	store := fsdb.NewFsDb()
+	err := store.Connect(ctx, resourceDir)
+	if err != nil {
+		return nil, err
+	}
+	rfs := resource.NewDbResource(store)
+	return rfs, nil
+}
+
+
+func main() {
+	var dbDir string
+	var resourceDir string
+	var size uint
+	var engineDebug bool
+	var stateDebug bool
+	var host string
+	var port uint
+	flag.StringVar(&dbDir, "dbdir", ".state", "database dir to read from")
+	flag.StringVar(&resourceDir, "resourcedir", path.Join("services", "registration"), "resource dir")
+	flag.BoolVar(&engineDebug, "engine-debug", false, "use engine debug output")
+	flag.BoolVar(&stateDebug, "state-debug", false, "use engine debug output")
+	flag.UintVar(&size, "s", 160, "max size of output")
+	flag.StringVar(&host, "h", "127.0.0.1", "http host")
+	flag.UintVar(&port, "p", 7123, "http port")
+	flag.Parse()
+
+	logg.Infof("start command", "dbdir", dbDir, "resourcedir", resourceDir,  "outputsize", size)
+
+	ctx := context.Background()
+	pfp := path.Join(scriptDir, "pp.csv")
+	flagParser, err := getFlags(pfp, true)
+
+	if err != nil {
+		os.Exit(1)
+	}
+
+	cfg := engine.Config{
+		Root:       "root",
+		OutputSize: uint32(size),
+		FlagCount:  uint32(16),
+	}
+	if stateDebug {
+		cfg.StateDebug = true
+	}
+	if engineDebug {
+		cfg.EngineDebug = true
+	}
+
+	rs, err := getResource(resourceDir, ctx)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+
+	err = ensureDbDir(dbDir)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+
+	userdataStore := getUserdataDb(dbDir, ctx)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+	defer userdataStore.Close()
+
+	dbResource, ok := rs.(*resource.DbResource)
+	if !ok {
+		os.Exit(1)
+	}
+
+	hl, err := getHandler(flagParser, dbResource, userdataStore)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+
+	stateStore, err := getStateStore(dbDir, ctx)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+	defer stateStore.Close()
+
+	rp := &httpserver.DefaultRequestParser{}
+	bsh := handlers.NewBaseSessionHandler(cfg, rs, stateStore, userdataStore, rp, hl)
+	sh := httpserver.ToSessionHandler(bsh)
+	s := &http.Server{
+		Addr: fmt.Sprintf("%s:%s", host, strconv.Itoa(int(port))),
+		Handler: sh,
+	}
+	s.RegisterOnShutdown(sh.Shutdown)
+
+	cint := make(chan os.Signal)
+	cterm := make(chan os.Signal)
+	signal.Notify(cint, os.Interrupt, syscall.SIGINT)
+	signal.Notify(cterm, os.Interrupt, syscall.SIGTERM)
+	go func() {
+		select {
+		case _ = <-cint:
+		case _ = <-cterm:
+		}
+		s.Shutdown(ctx)
+	}()
+	err = s.ListenAndServe()
+	if err != nil {
+		logg.Infof("Server closed with error", "err", err)
+	}
+}

cmd/main.go

@@ -0,0 +1,201 @@
+package main
+
+import (
+	"context"
+	"flag"
+	"fmt"
+	"os"
+	"path"
+
+	"git.defalsify.org/vise.git/asm"
+	"git.defalsify.org/vise.git/db"
+	fsdb "git.defalsify.org/vise.git/db/fs"
+	gdbmdb "git.defalsify.org/vise.git/db/gdbm"
+	"git.defalsify.org/vise.git/engine"
+	"git.defalsify.org/vise.git/logging"
+	"git.defalsify.org/vise.git/persist"
+	"git.defalsify.org/vise.git/resource"
+	"git.grassecon.net/urdt/ussd/internal/handlers/ussd"
+)
+
+var (
+	logg      = logging.NewVanilla()
+	scriptDir = path.Join("services", "registration")
+)
+
+func getParser(fp string, debug bool) (*asm.FlagParser, error) {
+	flagParser := asm.NewFlagParser().WithDebug()
+	_, err := flagParser.Load(fp)
+	if err != nil {
+		return nil, err
+	}
+	return flagParser, nil
+}
+
+func getHandler(appFlags *asm.FlagParser, rs *resource.DbResource, pe *persist.Persister, userdataStore db.Db) (*ussd.Handlers, error) {
+
+	ussdHandlers, err := ussd.NewHandlers(appFlags, userdataStore)
+	if err != nil {
+		return nil, err
+	}
+	ussdHandlers = ussdHandlers.WithPersister(pe)
+	rs.AddLocalFunc("select_language", ussdHandlers.SetLanguage)
+	rs.AddLocalFunc("create_account", ussdHandlers.CreateAccount)
+	rs.AddLocalFunc("save_pin", ussdHandlers.SavePin)
+	rs.AddLocalFunc("verify_pin", ussdHandlers.VerifyPin)
+	rs.AddLocalFunc("check_identifier", ussdHandlers.CheckIdentifier)
+	rs.AddLocalFunc("check_account_status", ussdHandlers.CheckAccountStatus)
+	rs.AddLocalFunc("authorize_account", ussdHandlers.Authorize)
+	rs.AddLocalFunc("quit", ussdHandlers.Quit)
+	rs.AddLocalFunc("check_balance", ussdHandlers.CheckBalance)
+	rs.AddLocalFunc("validate_recipient", ussdHandlers.ValidateRecipient)
+	rs.AddLocalFunc("transaction_reset", ussdHandlers.TransactionReset)
+	rs.AddLocalFunc("max_amount", ussdHandlers.MaxAmount)
+	rs.AddLocalFunc("validate_amount", ussdHandlers.ValidateAmount)
+	rs.AddLocalFunc("reset_transaction_amount", ussdHandlers.ResetTransactionAmount)
+	rs.AddLocalFunc("get_recipient", ussdHandlers.GetRecipient)
+	rs.AddLocalFunc("get_sender", ussdHandlers.GetSender)
+	rs.AddLocalFunc("get_amount", ussdHandlers.GetAmount)
+	rs.AddLocalFunc("reset_incorrect", ussdHandlers.ResetIncorrectPin)
+	rs.AddLocalFunc("save_firstname", ussdHandlers.SaveFirstname)
+	rs.AddLocalFunc("save_familyname", ussdHandlers.SaveFamilyname)
+	rs.AddLocalFunc("save_gender", ussdHandlers.SaveGender)
+	rs.AddLocalFunc("save_location", ussdHandlers.SaveLocation)
+	rs.AddLocalFunc("save_yob", ussdHandlers.SaveYob)
+	rs.AddLocalFunc("save_offerings", ussdHandlers.SaveOfferings)
+	rs.AddLocalFunc("quit_with_balance", ussdHandlers.QuitWithBalance)
+	rs.AddLocalFunc("reset_account_authorized", ussdHandlers.ResetAccountAuthorized)
+	rs.AddLocalFunc("reset_allow_update", ussdHandlers.ResetAllowUpdate)
+	rs.AddLocalFunc("get_profile_info", ussdHandlers.GetProfileInfo)
+	rs.AddLocalFunc("verify_yob", ussdHandlers.VerifyYob)
+	rs.AddLocalFunc("reset_incorrect_date_format", ussdHandlers.ResetIncorrectYob)
+	rs.AddLocalFunc("set_reset_single_edit", ussdHandlers.SetResetSingleEdit)
+	rs.AddLocalFunc("initiate_transaction", ussdHandlers.InitiateTransaction)
+	rs.AddLocalFunc("save_temporary_pin", ussdHandlers.SaveTemporaryPin)
+	rs.AddLocalFunc("verify_new_pin", ussdHandlers.VerifyNewPin)
+	rs.AddLocalFunc("confirm_pin_change", ussdHandlers.ConfirmPinChange)
+
+	return ussdHandlers, nil
+}
+
+func ensureDbDir(dbDir string) error {
+	err := os.MkdirAll(dbDir, 0700)
+	if err != nil {
+		return fmt.Errorf("state dir create exited with error: %v\n", err)
+	}
+	return nil
+}
+
+func getPersister(dbDir string, ctx context.Context) (*persist.Persister, error) {
+	err := ensureDbDir(dbDir)
+	if err != nil {
+		return nil, err
+	}
+	store := gdbmdb.NewGdbmDb()
+	storeFile := path.Join(dbDir, "state.gdbm")
+	store.Connect(ctx, storeFile)
+	pr := persist.NewPersister(store)
+	return pr, nil
+}
+
+func getUserdataDb(dbDir string, ctx context.Context) db.Db {
+	store := gdbmdb.NewGdbmDb()
+	storeFile := path.Join(dbDir, "userdata.gdbm")
+	store.Connect(ctx, storeFile)
+
+	return store
+}
+
+func getResource(resourceDir string, ctx context.Context) (resource.Resource, error) {
+	store := fsdb.NewFsDb()
+	err := store.Connect(ctx, resourceDir)
+	if err != nil {
+		return nil, err
+	}
+	rfs := resource.NewDbResource(store)
+	return rfs, nil
+}
+
+func getEngine(cfg engine.Config, rs resource.Resource, pr *persist.Persister) *engine.DefaultEngine {
+	en := engine.NewEngine(cfg, rs)
+	en = en.WithPersister(pr)
+	return en
+}
+
+func main() {
+	var dbDir string
+	var size uint
+	var sessionId string
+	var debug bool
+	flag.StringVar(&sessionId, "session-id", "075xx2123", "session id")
+	flag.StringVar(&dbDir, "dbdir", ".state", "database dir to read from")
+	flag.BoolVar(&debug, "d", false, "use engine debug output")
+	flag.UintVar(&size, "s", 160, "max size of output")
+	flag.Parse()
+
+	logg.Infof("start command", "dbdir", dbDir, "outputsize", size)
+
+	ctx := context.Background()
+	ctx = context.WithValue(ctx, "SessionId", sessionId)
+	pfp := path.Join(scriptDir, "pp.csv")
+	flagParser, err := getParser(pfp, true)
+
+	if err != nil {
+		os.Exit(1)
+	}
+
+	cfg := engine.Config{
+		Root:       "root",
+		SessionId:  sessionId,
+		OutputSize: uint32(size),
+		FlagCount:  uint32(16),
+	}
+
+	rs, err := getResource(scriptDir, ctx)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+
+	pe, err := getPersister(dbDir, ctx)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+
+	store := getUserdataDb(dbDir, ctx)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+
+	dbResource, ok := rs.(*resource.DbResource)
+	if !ok {
+		fmt.Fprintf(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+
+	hl, err := getHandler(flagParser, dbResource, pe, store)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+
+	en := getEngine(cfg, rs, pe)
+	en = en.WithFirst(hl.Init)
+	if debug {
+		en = en.WithDebug(nil)
+	}
+
+	_, err = en.Init(ctx)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "engine init exited with error: %v\n", err)
+		os.Exit(1)
+	}
+
+	err = engine.Loop(ctx, en, os.Stdin, os.Stdout)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "loop exited with error: %v\n", err)
+		os.Exit(1)
+	}
+}

config/config.go

@@ -1,59 +1,10 @@
 package config
 
-import (
-	"strings"
 
-	"git.grassecon.net/grassrootseconomics/visedriver/env"
+
+const (
+    CreateAccountURL = "https://custodial.sarafu.africa/api/account/create"
+    TrackStatusURL   = "https://custodial.sarafu.africa/api/track/"
+    BalanceURL       = "https://custodial.sarafu.africa/api/account/status/"
 )
 
-var (
-	defaultLanguage		   = "eng"
-	languages []string
-)
-
-var (
-	DbConn		string
-	DefaultLanguage	    string
-	Languages	[]string
-)
-
-func setLanguage() error {
-	defaultLanguage = env.GetEnv("DEFAULT_LANGUAGE", defaultLanguage)
-	languages = strings.Split(env.GetEnv("LANGUAGES", defaultLanguage), ",")
-	haveDefaultLanguage := false
-	for i, v := range(languages) {
-		languages[i] = strings.ReplaceAll(v, " ", "")
-		if languages[i] == defaultLanguage {
-			haveDefaultLanguage = true
-		}
-	}
-
-	if !haveDefaultLanguage {
-		languages = append([]string{defaultLanguage}, languages...)
-	}
-
-	return nil
-}
-
-
-
-func setConn() error {
-	DbConn = env.GetEnv("DB_CONN", "")
-	return nil
-}
-
-// LoadConfig initializes the configuration values after environment variables are loaded.
-func LoadConfig() error {
-	err := setConn()
-	if err != nil {
-		return err
-	}
-	err = setLanguage()
-	if err != nil {
-		return err
-	}
-	DefaultLanguage = defaultLanguage
-	Languages = languages
-
-	return nil
-}

doc/data.md

@@ -1,28 +0,0 @@
-# Internals
-
-## Version
-
-This document describes component versions:
-
-* `urdt-ussd` `v0.5.0-beta`
-* `go-vise` `v0.2.2`
-
-
-## User profile data
-
-All user profile items are stored under keys matching the user's session id, prefixed with the 8-bit value `git.defalsify.org/vise.git/db.DATATYPE_USERDATA` (32), and followed with a 16-big big-endian value subprefix.
-
-For example, given the sessionId `+254123` and the key `git.grassecon.net/urdt-ussd/common.DATA_PUBLIC_KEY` (2) will be stored under the key:
-
-```
-0x322b3235343132330002
-
-prefix   sessionid       subprefix
-32       2b323534313233  0002
-```
-
-### Sub-prefixes
-
-All sub-prefixes are defined as constants in the `git.grassecon.net/urdt-ussd/common` package. The constant names have the prefix `DATA_`
-
-Please refer to inline godoc documentation for the `git.grassecon.net/urdt-ussd/common` package for details on each data item.

entry/handlers.go

@@ -1,13 +0,0 @@
-package entry
-
-import (
-	"context"
-	"git.defalsify.org/vise.git/resource"
-	"git.defalsify.org/vise.git/persist"
-)
-
-type EntryHandler interface {
-	Init(context.Context, string, []byte) (resource.Result, error) // HandlerFunc
-	Exit()
-	SetPersister(*persist.Persister)
-}

env/load.go

@@ -1,40 +0,0 @@
-package env
-
-import (
-	"log"
-	"os"
-	"path"
-	"strconv"
-
-	"github.com/joho/godotenv"
-)
-
-func LoadEnvVariables() {
-	LoadEnvVariablesPath(".")
-}
-
-func LoadEnvVariablesPath(dir string) {
-	fp := path.Join(dir, ".env")
-	err := godotenv.Load(fp)
-	if err != nil {
-		log.Fatal("Error loading .env file", err)
-	}
-}
-
-// Helper to get environment variables with a default fallback
-func GetEnv(key, defaultVal string) string {
-	if value, exists := os.LookupEnv(key); exists {
-		return value
-	}
-	return defaultVal
-}
-
-// Helper to safely convert environment variables to uint
-func GetEnvUint(key string, defaultVal uint) uint {
-	if value, exists := os.LookupEnv(key); exists {
-		if parsed, err := strconv.Atoi(value); err == nil && parsed >= 0 {
-			return uint(parsed)
-		}
-	}
-	return defaultVal
-}

errors/errors.go

@@ -1,15 +0,0 @@
-package errors
-
-import (
-	"errors"
-)
-
-var (
-	ErrInvalidRequest = errors.New("invalid request for context")
-	ErrSessionMissing = errors.New("missing session")
-	ErrInvalidInput   = errors.New("invalid input")
-	ErrStorage        = errors.New("storage retrieval fail")
-	ErrEngineType     = errors.New("incompatible engine")
-	ErrEngineInit     = errors.New("engine init fail")
-	ErrEngineExec     = errors.New("engine exec fail")
-)

go.mod

@@ -1,39 +1,26 @@
-module git.grassecon.net/grassrootseconomics/visedriver
+module git.grassecon.net/urdt/ussd
 
-go 1.23.0
+go 1.22.6
 
 require (
-	git.defalsify.org/vise.git v0.2.3-0.20250103172917-3e190a44568d
+	git.defalsify.org/vise.git v0.1.0-rc.3.0.20240911231817-0d23e0dbb57f
 	github.com/alecthomas/assert/v2 v2.2.2
-	github.com/gofrs/uuid v4.4.0+incompatible
-	github.com/grassrootseconomics/eth-custodial v1.3.0-beta
-	github.com/grassrootseconomics/ussd-data-service v1.2.0-beta
-	github.com/jackc/pgx/v5 v5.7.1
-	github.com/joho/godotenv v1.5.1
 	github.com/peteole/testdata-loader v0.3.0
-	github.com/stretchr/testify v1.9.0
+	gopkg.in/leonelquinteros/gotext.v1 v1.3.1
-	golang.org/x/crypto v0.27.0
 )
 
 require (
+	github.com/alecthomas/participle/v2 v2.0.0 // indirect
 	github.com/alecthomas/repr v0.2.0 // indirect
 	github.com/barbashov/iso639-3 v0.0.0-20211020172741-1f4ffb2d8d1c // indirect
-	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/fxamacker/cbor/v2 v2.4.0 // indirect
 	github.com/graygnuorg/go-gdbm v0.0.0-20220711140707-71387d66dce4 // indirect
 	github.com/hexops/gotextdiff v1.0.3 // indirect
-	github.com/jackc/pgpassfile v1.0.0 // indirect
-	github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 // indirect
-	github.com/jackc/puddle/v2 v2.2.2 // indirect
-	github.com/kr/text v0.2.0 // indirect
 	github.com/mattn/kinako v0.0.0-20170717041458-332c0a7e205a // indirect
-	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
-	github.com/rogpeppe/go-internal v1.13.1 // indirect
 	github.com/stretchr/objx v0.5.2 // indirect
+	github.com/stretchr/testify v1.9.0
 	github.com/x448/float16 v0.8.4 // indirect
-	golang.org/x/sync v0.8.0 // indirect
-	golang.org/x/sys v0.25.0 // indirect
-	golang.org/x/text v0.18.0 // indirect
-	gopkg.in/leonelquinteros/gotext.v1 v1.3.1 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -1,76 +1,36 @@
-git.defalsify.org/vise.git v0.2.3-0.20250103172917-3e190a44568d h1:bPAOVZOX4frSGhfOdcj7kc555f8dc9DmMd2YAyC2AMw=
+git.defalsify.org/vise.git v0.1.0-rc.3.0.20240911231817-0d23e0dbb57f h1:CuJvG3NyMoRtHUim4aZdrfjjJBg2AId7z0yp7Q97bRM=
-git.defalsify.org/vise.git v0.2.3-0.20250103172917-3e190a44568d/go.mod h1:jyBMe1qTYUz3mmuoC9JQ/TvFeW0vTanCUcPu3H8p4Ck=
+git.defalsify.org/vise.git v0.1.0-rc.3.0.20240911231817-0d23e0dbb57f/go.mod h1:JDguWmcoWBdsnpw7PUjVZAEpdC/ubBmjdUBy3tjP63M=
 github.com/alecthomas/assert/v2 v2.2.2 h1:Z/iVC0xZfWTaFNE6bA3z07T86hd45Xe2eLt6WVy2bbk=
 github.com/alecthomas/assert/v2 v2.2.2/go.mod h1:pXcQ2Asjp247dahGEmsZ6ru0UVwnkhktn7S0bBDLxvQ=
+github.com/alecthomas/participle/v2 v2.0.0 h1:Fgrq+MbuSsJwIkw3fEj9h75vDP0Er5JzepJ0/HNHv0g=
+github.com/alecthomas/participle/v2 v2.0.0/go.mod h1:rAKZdJldHu8084ojcWevWAL8KmEU+AT+Olodb+WoN2Y=
 github.com/alecthomas/repr v0.2.0 h1:HAzS41CIzNW5syS8Mf9UwXhNH1J9aix/BvDRf1Ml2Yk=
 github.com/alecthomas/repr v0.2.0/go.mod h1:Fr0507jx4eOXV7AlPV6AVZLYrLIuIeSOWtW57eE/O/4=
 github.com/barbashov/iso639-3 v0.0.0-20211020172741-1f4ffb2d8d1c h1:H9Nm+I7Cg/YVPpEV1RzU3Wq2pjamPc/UtHDgItcb7lE=
 github.com/barbashov/iso639-3 v0.0.0-20211020172741-1f4ffb2d8d1c/go.mod h1:rGod7o6KPeJ+hyBpHfhi4v7blx9sf+QsHsA7KAsdN6U=
-github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
-github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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-golang.org/x/crypto v0.27.0 h1:GXm2NjJrPaiv/h1tb2UH8QfgC/hOf/+z0p6PT8o1w7A=
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internal/handlers/base.go

@@ -0,0 +1,117 @@
+package handlers
+
+import (
+	"git.defalsify.org/vise.git/db"
+	"git.defalsify.org/vise.git/engine"
+	"git.defalsify.org/vise.git/persist"
+	"git.defalsify.org/vise.git/resource"
+
+	"git.grassecon.net/urdt/ussd/internal/handlers/ussd"
+	"git.grassecon.net/urdt/ussd/internal/storage"
+)
+
+type BaseSessionHandler struct {
+	cfgTemplate engine.Config
+	rp RequestParser
+	rs resource.Resource
+	hn *ussd.Handlers
+	provider storage.StorageProvider
+}
+
+func NewBaseSessionHandler(cfg engine.Config, rs resource.Resource, stateDb db.Db, userdataDb db.Db, rp RequestParser, hn *ussd.Handlers) *BaseSessionHandler {
+	return &BaseSessionHandler{
+		cfgTemplate: cfg,
+		rs: rs,
+		hn: hn,
+		rp: rp,
+		provider: storage.NewSimpleStorageProvider(stateDb, userdataDb),
+	}
+}
+
+func(f* BaseSessionHandler) Shutdown() {
+	err := f.provider.Close()
+	if err != nil {
+		logg.Errorf("handler shutdown error", "err", err)
+	}
+}
+
+func(f *BaseSessionHandler) GetEngine(cfg engine.Config, rs resource.Resource, pr *persist.Persister) engine.Engine {
+	en := engine.NewEngine(cfg, rs)
+	en = en.WithPersister(pr)
+	return en
+}
+
+func(f *BaseSessionHandler) Process(rqs RequestSession) (RequestSession, error) {
+	var r bool
+	var err error
+	var ok bool
+	
+	logg.InfoCtxf(rqs.Ctx, "new request",  rqs)
+
+	rqs.Storage, err = f.provider.Get(rqs.Config.SessionId)
+	if err != nil {
+		logg.ErrorCtxf(rqs.Ctx, "", "storage get error", err)
+		return rqs, ErrStorage
+	}
+
+	f.hn = f.hn.WithPersister(rqs.Storage.Persister)
+	eni := f.GetEngine(rqs.Config, f.rs, rqs.Storage.Persister)
+	en, ok := eni.(*engine.DefaultEngine)
+	if !ok {
+		perr := f.provider.Put(rqs.Config.SessionId, rqs.Storage)
+		rqs.Storage = nil
+		if perr != nil {
+			logg.ErrorCtxf(rqs.Ctx, "", "storage put error", perr)
+		}
+		return rqs, ErrEngineType
+	}
+	en = en.WithFirst(f.hn.Init)
+	if rqs.Config.EngineDebug {
+		en = en.WithDebug(nil)
+	}
+	rqs.Engine = en
+
+	r, err = rqs.Engine.Init(rqs.Ctx)
+	if err != nil {
+		perr := f.provider.Put(rqs.Config.SessionId, rqs.Storage)
+		rqs.Storage = nil
+		if perr != nil {
+			logg.ErrorCtxf(rqs.Ctx, "", "storage put error", perr)
+		}
+		return rqs, err
+	}
+
+	if r && len(rqs.Input) > 0 {
+		r, err = rqs.Engine.Exec(rqs.Ctx, rqs.Input)
+	}
+	if err != nil {
+		perr := f.provider.Put(rqs.Config.SessionId, rqs.Storage)
+		rqs.Storage = nil
+		if perr != nil {
+			logg.ErrorCtxf(rqs.Ctx, "", "storage put error", perr)
+		}
+		return rqs, err
+	}
+
+	rqs.Continue = r 
+	return rqs, nil
+}
+
+func(f *BaseSessionHandler) Output(rqs RequestSession) (RequestSession,  error) {
+	var err error
+	_, err = rqs.Engine.WriteResult(rqs.Ctx, rqs.Writer)
+	return rqs, err
+}
+
+func(f *BaseSessionHandler) Reset(rqs RequestSession) (RequestSession, error) {
+	defer f.provider.Put(rqs.Config.SessionId, rqs.Storage)
+	return rqs, rqs.Engine.Finish()
+}
+
+func(f *BaseSessionHandler) GetConfig() engine.Config {
+	return f.cfgTemplate
+}
+
+func(f *BaseSessionHandler) GetRequestParser() RequestParser {
+	return f.rp
+}

internal/handlers/server/accountservice.go

@@ -0,0 +1,112 @@
+package server
+
+import (
+	"encoding/json"
+	"io"
+	"net/http"
+
+	"git.grassecon.net/urdt/ussd/config"
+	"git.grassecon.net/urdt/ussd/internal/models"
+)
+
+type AccountServiceInterface interface {
+	CheckBalance(publicKey string) (string, error)
+	CreateAccount() (*models.AccountResponse, error)
+	CheckAccountStatus(trackingId string) (string, error)
+}
+
+type AccountService struct {
+}
+
+
+
+// CheckAccountStatus retrieves the status of an account transaction based on the provided tracking ID.
+//
+// Parameters:
+//   - trackingId: A unique identifier for the account.This should be obtained from a previous call to
+//     CreateAccount or a similar function that returns an AccountResponse. The `trackingId` field in the
+//     AccountResponse struct can be used here to check the account status during a transaction.
+//
+//
+// Returns:
+//   - string: The status of the transaction as a string. If there is an error during the request or processing, this will be an empty string.
+//   - error: An error if any occurred during the HTTP request, reading the response, or unmarshalling the JSON data.
+//     If no error occurs, this will be nil.
+//
+func (as *AccountService) CheckAccountStatus(trackingId string) (string, error) {
+	resp, err := http.Get(config.TrackStatusURL + trackingId)
+	if err != nil {
+		return "", err
+	}
+	defer resp.Body.Close()
+
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return "", err
+	}
+
+	var trackResp models.TrackStatusResponse
+	err = json.Unmarshal(body, &trackResp)
+	if err != nil {
+		return "", err
+	}
+
+	status := trackResp.Result.Transaction.Status
+
+	return status, nil
+}
+
+
+// CheckBalance retrieves the balance for a given public key from the custodial balance API endpoint.
+// Parameters:
+//   - publicKey: The public key associated with the account whose balance needs to be checked.
+func (as *AccountService) CheckBalance(publicKey string) (string, error) {
+
+	resp, err := http.Get(config.BalanceURL + publicKey)
+	if err != nil {
+		return "0.0", err
+	}
+	defer resp.Body.Close()
+
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return "0.0", err
+	}
+
+	var balanceResp models.BalanceResponse
+	err = json.Unmarshal(body, &balanceResp)
+	if err != nil {
+		return "0.0", err
+	}
+
+	balance := balanceResp.Result.Balance
+	return balance, nil
+}
+
+
+//CreateAccount creates a new account in the custodial system.
+// Returns:
+//   - *models.AccountResponse: A pointer to an AccountResponse struct containing the details of the created account.
+//     If there is an error during the request or processing, this will be nil.
+//   - error: An error if any occurred during the HTTP request, reading the response, or unmarshalling the JSON data.
+//     If no error occurs, this will be nil.
+func (as *AccountService) CreateAccount() (*models.AccountResponse, error) {
+	resp, err := http.Post(config.CreateAccountURL, "application/json", nil)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return nil, err
+	}
+
+	var accountResp models.AccountResponse
+	err = json.Unmarshal(body, &accountResp)
+	if err != nil {
+		return nil, err
+	}
+
+	return &accountResp, nil
+}

internal/handlers/single.go

@@ -1,18 +1,30 @@
-package request
+package handlers
 
 import (
 	"context"
+	"errors"
 	"io"
 
+	"git.defalsify.org/vise.git/engine"
 	"git.defalsify.org/vise.git/resource"
 	"git.defalsify.org/vise.git/persist"
-	"git.defalsify.org/vise.git/engine"
 	"git.defalsify.org/vise.git/logging"
-	"git.grassecon.net/grassrootseconomics/visedriver/storage"
+
+	"git.grassecon.net/urdt/ussd/internal/storage"
 )
 
 var (
-	logg = logging.NewVanilla().WithDomain("visedriver.request")
+	logg = logging.NewVanilla().WithDomain("handlers")
+)
+
+var (
+	ErrInvalidRequest = errors.New("invalid request for context")
+	ErrSessionMissing = errors.New("missing session")
+	ErrInvalidInput = errors.New("invalid input")
+	ErrStorage = errors.New("storage retrieval fail")
+	ErrEngineType = errors.New("incompatible engine")
+	ErrEngineInit = errors.New("engine init fail")
+	ErrEngineExec = errors.New("engine exec fail")
 )
 
 type RequestSession struct {
@@ -25,9 +37,11 @@ type RequestSession struct {
 	Continue bool
 }
 
+type engineMaker func(cfg engine.Config, rs resource.Resource, pr *persist.Persister) engine.Engine
+
 // TODO: seems like can remove this.
 type RequestParser interface {
-	GetSessionId(ctx context.Context, rq any) (string, error)
+	GetSessionId(rq any) (string, error)
 	GetInput(rq any) ([]byte, error)
 }
 

internal/handlers/ussd/mocks/dbmock.go

@@ -0,0 +1,59 @@
+package mocks
+
+import (
+	"context"
+
+	"git.defalsify.org/vise.git/lang"
+	"github.com/stretchr/testify/mock"
+)
+
+type MockDb struct {
+	mock.Mock
+}
+
+func (m *MockDb) SetPrefix(prefix uint8) {
+	m.Called(prefix)
+}
+
+func (m *MockDb) Prefix() uint8 {
+	args := m.Called()
+	return args.Get(0).(uint8)
+}
+
+func (m *MockDb) Safe() bool {
+	args := m.Called()
+	return args.Get(0).(bool)
+}
+
+func (m *MockDb) SetLanguage(language *lang.Language) {
+	m.Called(language)
+}
+
+func (m *MockDb) SetLock(uint8, bool) error {
+	args := m.Called()
+	return args.Error(0)
+}
+
+func (m *MockDb) Connect(ctx context.Context, connectionStr string) error {
+	args := m.Called(ctx, connectionStr)
+	return args.Error(0)
+}
+
+func (m *MockDb) SetSession(sessionId string) {
+	m.Called(sessionId)
+}
+
+func (m *MockDb) Put(ctx context.Context, key, value []byte) error {
+	args := m.Called(ctx, key, value)
+	return args.Error(0)
+}
+
+func (m *MockDb) Get(ctx context.Context, key []byte) ([]byte, error) {
+	args := m.Called(ctx, key)
+	return nil, args.Error(0)
+}
+
+func (m *MockDb) Close() error {
+	args := m.Called(nil)
+	return args.Error(0)
+}

internal/handlers/ussd/mocks/servicemock.go

@@ -0,0 +1,26 @@
+package mocks
+
+import (
+	"git.grassecon.net/urdt/ussd/internal/models"
+	"github.com/stretchr/testify/mock"
+)
+
+// MockAccountService implements AccountServiceInterface for testing
+type MockAccountService struct {
+	mock.Mock
+}
+
+func (m *MockAccountService) CreateAccount() (*models.AccountResponse, error) {
+	args := m.Called()
+	return args.Get(0).(*models.AccountResponse), args.Error(1)
+}
+
+func (m *MockAccountService) CheckBalance(publicKey string) (string, error) {
+	args := m.Called(publicKey)
+	return args.String(0), args.Error(1)
+}
+
+func (m *MockAccountService) CheckAccountStatus(trackingId string) (string, error) {
+	args := m.Called(trackingId)
+	return args.String(0), args.Error(1)
+}

internal/handlers/ussd/mocks/userdbmock.go

@@ -0,0 +1,24 @@
+package mocks
+
+import (
+	"context"
+
+	"git.defalsify.org/vise.git/db"
+	"git.grassecon.net/urdt/ussd/internal/utils"
+	"github.com/stretchr/testify/mock"
+)
+
+type MockUserDataStore struct {
+	db.Db
+	mock.Mock
+}
+
+func (m *MockUserDataStore) ReadEntry(ctx context.Context, sessionId string, typ utils.DataTyp) ([]byte, error) {
+	args := m.Called(ctx, sessionId, typ)
+	return args.Get(0).([]byte), args.Error(1)
+}
+
+func (m *MockUserDataStore) WriteEntry(ctx context.Context, sessionId string, typ utils.DataTyp, value []byte) error {
+	args := m.Called(ctx, sessionId, typ, value)
+	return args.Error(0)
+}

internal/http/at_session_handler.go

@@ -0,0 +1,93 @@
+package http
+
+import (
+	"io"
+	"net/http"
+
+	"git.grassecon.net/urdt/ussd/internal/handlers"
+)
+
+type ATSessionHandler struct {
+	*SessionHandler
+}
+
+func NewATSessionHandler(h handlers.RequestHandler) *ATSessionHandler {
+	return &ATSessionHandler{
+		SessionHandler: ToSessionHandler(h),
+	}
+}
+
+func (ash *ATSessionHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
+	var code int
+	var err error
+
+	rqs := handlers.RequestSession{
+		Ctx:    req.Context(),
+		Writer: w,
+	}
+
+	rp := ash.GetRequestParser()
+	cfg := ash.GetConfig()
+	cfg.SessionId, err = rp.GetSessionId(req)
+	if err != nil {
+		logg.ErrorCtxf(rqs.Ctx, "", "header processing error", err)
+		ash.writeError(w, 400, err)
+	}
+	rqs.Config = cfg
+	rqs.Input, err = rp.GetInput(req)
+	if err != nil {
+		logg.ErrorCtxf(rqs.Ctx, "", "header processing error", err)
+		ash.writeError(w, 400, err)
+		return
+	}
+
+	rqs, err = ash.Process(rqs)
+	switch err {
+	case handlers.ErrStorage:
+		code = 500
+	case handlers.ErrEngineInit:
+		code = 500
+	case handlers.ErrEngineExec:
+		code = 500
+	default:
+		code = 200
+	}
+
+	if code != 200 {
+		ash.writeError(w, 500, err)
+		return
+	}
+
+	w.WriteHeader(200)
+	w.Header().Set("Content-Type", "text/plain")
+	rqs, err = ash.Output(rqs)
+	if err != nil {
+		ash.writeError(w, 500, err)
+		return
+	}
+
+	rqs, err = ash.Reset(rqs)
+	if err != nil {
+		ash.writeError(w, 500, err)
+		return
+	}
+}
+
+func (ash *ATSessionHandler) Output(rqs handlers.RequestSession) (handlers.RequestSession, error) {
+	var err error
+	var prefix string
+
+	if rqs.Continue {
+		prefix = "CON "
+	} else {
+		prefix = "END "
+	}
+
+	_, err = io.WriteString(rqs.Writer, prefix)
+	if err != nil {
+		return rqs, err
+	}
+
+	_, err = rqs.Engine.WriteResult(rqs.Ctx, rqs.Writer)
+	return rqs, err
+}

internal/http/server.go

@@ -0,0 +1,122 @@
+package http
+
+import (
+	"io/ioutil"
+	"net/http"
+	"strconv"
+
+	"git.defalsify.org/vise.git/logging"
+
+	"git.grassecon.net/urdt/ussd/internal/handlers"
+)
+
+var (
+	logg = logging.NewVanilla().WithDomain("httpserver")
+)
+
+type DefaultRequestParser struct {
+}
+
+
+func(rp *DefaultRequestParser) GetSessionId(rq any) (string, error) {
+	rqv, ok := rq.(*http.Request)
+	if !ok {
+		return "", handlers.ErrInvalidRequest
+	}
+	v := rqv.Header.Get("X-Vise-Session")
+	if v == "" {
+		return "", handlers.ErrSessionMissing
+	}
+	return v, nil
+}
+
+func(rp *DefaultRequestParser) GetInput(rq any) ([]byte, error) {
+	rqv, ok := rq.(*http.Request)
+	if !ok {
+		return nil, handlers.ErrInvalidRequest
+	}
+	defer rqv.Body.Close()
+	v, err := ioutil.ReadAll(rqv.Body)
+	if err != nil {
+		return nil, err
+	}
+	return v, nil
+}
+
+type SessionHandler struct {
+	handlers.RequestHandler
+}
+
+func ToSessionHandler(h handlers.RequestHandler) *SessionHandler {
+	return &SessionHandler{
+		RequestHandler: h,
+	}
+}
+
+func(f *SessionHandler) writeError(w http.ResponseWriter, code int, err error) {
+	s := err.Error()
+	w.Header().Set("Content-Length", strconv.Itoa(len(s)))
+	w.WriteHeader(code)
+	_, err = w.Write([]byte{})
+	if err != nil {
+		logg.Errorf("error writing error!!", "err", err, "olderr", s)
+		w.WriteHeader(500)
+	}
+	return 
+}
+
+func(f *SessionHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
+	var code int
+	var err error
+	var perr error
+
+	rqs := handlers.RequestSession{
+		Ctx: req.Context(),
+		Writer: w,
+	}
+
+	rp := f.GetRequestParser()
+	cfg := f.GetConfig()
+	cfg.SessionId, err = rp.GetSessionId(req)
+	if err != nil {
+		logg.ErrorCtxf(rqs.Ctx, "", "header processing error", err)
+		f.writeError(w, 400, err)
+	}
+	rqs.Config = cfg
+	rqs.Input, err = rp.GetInput(req)
+	if err != nil {
+		logg.ErrorCtxf(rqs.Ctx, "", "header processing error", err)
+		f.writeError(w, 400, err)
+		return
+	}
+
+	rqs, err = f.Process(rqs)
+	switch err {
+	case handlers.ErrStorage:
+		code = 500
+	case handlers.ErrEngineInit:
+		code = 500
+	case handlers.ErrEngineExec:
+		code = 500
+	default:
+		code = 200
+	}
+
+	if code != 200 {
+		f.writeError(w, 500, err)
+		return
+	}
+
+	w.WriteHeader(200)
+	w.Header().Set("Content-Type", "text/plain")
+	rqs, err = f.Output(rqs)
+	rqs, perr = f.Reset(rqs)
+	if err != nil {
+		f.writeError(w, 500, err)
+		return
+	}
+	if perr != nil {
+		f.writeError(w, 500, perr)
+		return
+	}
+}

internal/models/accountresponse.go

@@ -0,0 +1,15 @@
+package models
+
+import (
+	"encoding/json"
+
+)
+
+type AccountResponse struct {
+	Ok     bool `json:"ok"`
+	Result struct {
+		CustodialId json.Number `json:"custodialId"`
+		PublicKey   string      `json:"publicKey"`
+		TrackingId  string      `json:"trackingId"`
+	} `json:"result"`
+}

internal/models/balanceresponse.go

@@ -0,0 +1,12 @@
+package models
+
+import "encoding/json"
+
+
+type BalanceResponse struct {
+	Ok     bool `json:"ok"`
+	Result struct {
+		Balance string      `json:"balance"`
+		Nonce   json.Number `json:"nonce"`
+	} `json:"result"`
+}

internal/models/trackstatusresponse.go

@@ -0,0 +1,20 @@
+package models
+
+import (
+	"encoding/json"
+	"time"
+)
+
+
+type TrackStatusResponse struct {
+	Ok     bool `json:"ok"`
+	Result struct {
+		Transaction struct {
+			CreatedAt     time.Time   `json:"createdAt"`
+			Status        string      `json:"status"`
+			TransferValue json.Number `json:"transferValue"`
+			TxHash        string      `json:"txHash"`
+			TxType        string      `json:"txType"`
+		}
+	} `json:"result"`
+}

internal/storage/storage.go

@@ -5,10 +5,6 @@ import (
 	"git.defalsify.org/vise.git/persist"
 )
 
-const (
-	DATATYPE_EXTEND = 128
-)
-
 type Storage struct {
 	Persister *persist.Persister
 	UserdataDb db.Db	

internal/utils/age.go

@@ -0,0 +1,35 @@
+package utils
+
+import "time"
+
+// CalculateAge calculates the age based on a given birthdate and the current date in the format dd/mm/yy
+// It adjusts for cases where the current date is before the birthday in the current year.
+func CalculateAge(birthdate, today time.Time) int {
+	today = today.In(birthdate.Location())
+	ty, tm, td := today.Date()
+	today = time.Date(ty, tm, td, 0, 0, 0, 0, time.UTC)
+	by, bm, bd := birthdate.Date()
+	birthdate = time.Date(by, bm, bd, 0, 0, 0, 0, time.UTC)
+	if today.Before(birthdate) {
+		return 0
+	}
+	age := ty - by
+	anniversary := birthdate.AddDate(age, 0, 0)
+	if anniversary.After(today) {
+		age--
+	}
+	return age
+}
+
+// CalculateAgeWithYOB calculates the age based on the given year of birth (YOB).
+// It subtracts the YOB from the current year to determine the age.
+//
+// Parameters:
+//   yob: The year of birth as an integer.
+//
+// Returns:
+//   The calculated age as an integer.
+func CalculateAgeWithYOB(yob int) int {
+    currentYear := time.Now().Year()
+    return currentYear - yob
+}

internal/utils/db.go

@@ -0,0 +1,37 @@
+package utils
+
+import (
+	"encoding/binary"
+)
+
+type DataTyp uint16
+
+const (
+	DATA_ACCOUNT DataTyp = iota
+	DATA_ACCOUNT_CREATED
+	DATA_TRACKING_ID
+	DATA_PUBLIC_KEY
+	DATA_CUSTODIAL_ID
+	DATA_ACCOUNT_PIN
+	DATA_ACCOUNT_STATUS
+	DATA_FIRST_NAME
+	DATA_FAMILY_NAME
+	DATA_YOB
+	DATA_LOCATION
+	DATA_GENDER
+	DATA_OFFERINGS
+	DATA_RECIPIENT
+	DATA_AMOUNT
+	DATA_TEMPORARY_PIN
+)
+
+func typToBytes(typ DataTyp) []byte {
+	var b [2]byte
+	binary.BigEndian.PutUint16(b[:], uint16(typ))
+	return b[:]
+}
+
+func PackKey(typ DataTyp, data []byte) []byte {
+	v := typToBytes(typ)
+	return append(v, data...)
+}

internal/utils/userStore.go

@@ -0,0 +1,32 @@
+package utils
+
+import (
+	"context"
+
+	"git.defalsify.org/vise.git/db"
+)
+
+type DataStore interface {
+	db.Db
+	ReadEntry(ctx context.Context, sessionId string, typ DataTyp) ([]byte, error)
+	WriteEntry(ctx context.Context, sessionId string, typ DataTyp, value []byte) error
+}
+
+type UserDataStore struct {
+	db.Db
+}
+
+// ReadEntry retrieves an entry from the store based on the provided parameters.
+func (store *UserDataStore) ReadEntry(ctx context.Context, sessionId string, typ DataTyp) ([]byte, error) {
+	store.SetPrefix(db.DATATYPE_USERDATA)
+	store.SetSession(sessionId)
+	k := PackKey(typ, []byte(sessionId))
+	return store.Get(ctx, k)
+}
+
+func (store *UserDataStore) WriteEntry(ctx context.Context, sessionId string, typ DataTyp, value []byte) error {
+	store.SetPrefix(db.DATATYPE_USERDATA)
+	store.SetSession(sessionId)
+	k := PackKey(typ, []byte(sessionId))
+	return store.Put(ctx, k, value)
+}

request/base.go

@@ -1,110 +0,0 @@
-package request
-
-import (
-	"git.defalsify.org/vise.git/db"
-	"git.defalsify.org/vise.git/engine"
-	"git.defalsify.org/vise.git/persist"
-	"git.defalsify.org/vise.git/resource"
-	"git.grassecon.net/grassrootseconomics/visedriver/storage"
-	"git.grassecon.net/grassrootseconomics/visedriver/errors"
-	"git.grassecon.net/grassrootseconomics/visedriver/entry"
-)
-
-type BaseRequestHandler struct {
-	cfgTemplate engine.Config
-	rp RequestParser
-	rs resource.Resource
-	hn entry.EntryHandler
-	provider storage.StorageProvider
-}
-
-//func NewBaseRequestHandler(cfg engine.Config, rs resource.Resource, stateDb db.Db, userdataDb db.Db, rp request.RequestParser, hn *handlers.Handlers) *BaseRequestHandler {
-func NewBaseRequestHandler(cfg engine.Config, rs resource.Resource, stateDb db.Db, userdataDb db.Db, rp RequestParser, hn entry.EntryHandler) *BaseRequestHandler {
-	return &BaseRequestHandler{
-		cfgTemplate: cfg,
-		rs:          rs,
-		hn:          hn,
-		rp:          rp,
-		provider:    storage.NewSimpleStorageProvider(stateDb, userdataDb),
-	}
-}
-
-func (f *BaseRequestHandler) Shutdown() {
-	err := f.provider.Close()
-	if err != nil {
-		logg.Errorf("handler shutdown error", "err", err)
-	}
-}
-
-func (f *BaseRequestHandler) GetEngine(cfg engine.Config, rs resource.Resource, pr *persist.Persister) engine.Engine {
-	en := engine.NewEngine(cfg, rs)
-	en = en.WithPersister(pr)
-	return en
-}
-
-func(f *BaseRequestHandler) Process(rqs RequestSession) (RequestSession, error) {
-	var r bool
-	var err error
-	var ok bool
-
-	logg.InfoCtxf(rqs.Ctx, "new request", "data", rqs)
-
-	rqs.Storage, err = f.provider.Get(rqs.Config.SessionId)
-	if err != nil {
-		logg.ErrorCtxf(rqs.Ctx, "", "storage get error", err)
-		return rqs, errors.ErrStorage
-	}
-
-	//f.hn = f.hn.WithPersister(rqs.Storage.Persister)
-	f.hn.SetPersister(rqs.Storage.Persister)
-	defer func() {
-		f.hn.Exit()
-	}()
-	eni := f.GetEngine(rqs.Config, f.rs, rqs.Storage.Persister)
-	en, ok := eni.(*engine.DefaultEngine)
-	if !ok {
-		perr := f.provider.Put(rqs.Config.SessionId, rqs.Storage)
-		rqs.Storage = nil
-		if perr != nil {
-			logg.ErrorCtxf(rqs.Ctx, "", "storage put error", perr)
-		}
-		return rqs, errors.ErrEngineType
-	}
-	en = en.WithFirst(f.hn.Init)
-	if rqs.Config.EngineDebug {
-		en = en.WithDebug(nil)
-	}
-	rqs.Engine = en
-
-	r, err = rqs.Engine.Exec(rqs.Ctx, rqs.Input)
-	if err != nil {
-		perr := f.provider.Put(rqs.Config.SessionId, rqs.Storage)
-		rqs.Storage = nil
-		if perr != nil {
-			logg.ErrorCtxf(rqs.Ctx, "", "storage put error", perr)
-		}
-		return rqs, err
-	}
-
-	rqs.Continue = r
-	return rqs, nil
-}
-
-func(f *BaseRequestHandler) Output(rqs RequestSession) (RequestSession,  error) {
-	var err error
-	_, err = rqs.Engine.Flush(rqs.Ctx, rqs.Writer)
-	return rqs, err
-}
-
-func(f *BaseRequestHandler) Reset(rqs RequestSession) (RequestSession, error) {
-	defer f.provider.Put(rqs.Config.SessionId, rqs.Storage)
-	return rqs, rqs.Engine.Finish()
-}
-
-func (f *BaseRequestHandler) GetConfig() engine.Config {
-	return f.cfgTemplate
-}
-
-func(f *BaseRequestHandler) GetRequestParser() RequestParser {
-	return f.rp
-}

request/http/parse.go

@@ -1,37 +0,0 @@
-package http
-
-import (
-	"context"
-	"io/ioutil"
-	"net/http"
-
-	"git.grassecon.net/grassrootseconomics/visedriver/errors"
-)
-
-type DefaultRequestParser struct {
-}
-
-func (rp *DefaultRequestParser) GetSessionId(ctx context.Context, rq any) (string, error) {
-	rqv, ok := rq.(*http.Request)
-	if !ok {
-		return "", errors.ErrInvalidRequest
-	}
-	v := rqv.Header.Get("X-Vise-Session")
-	if v == "" {
-		return "", errors.ErrSessionMissing
-	}
-	return v, nil
-}
-
-func (rp *DefaultRequestParser) GetInput(rq any) ([]byte, error) {
-	rqv, ok := rq.(*http.Request)
-	if !ok {
-		return nil, errors.ErrInvalidRequest
-	}
-	defer rqv.Body.Close()
-	v, err := ioutil.ReadAll(rqv.Body)
-	if err != nil {
-		return nil, err
-	}
-	return v, nil
-}

request/http/server.go

@@ -1,92 +0,0 @@
-package http
-
-import (
-	"net/http"
-	"strconv"
-
-	"git.defalsify.org/vise.git/logging"
-	"git.grassecon.net/grassrootseconomics/visedriver/request"
-	"git.grassecon.net/grassrootseconomics/visedriver/errors"
-)
-
-var (
-	logg = logging.NewVanilla().WithDomain("visedriver.http.session")
-)
-
-// HTTPRequestHandler implements the session handler for HTTP
-type HTTPRequestHandler struct {
-	request.RequestHandler
-}
-
-func (f *HTTPRequestHandler) WriteError(w http.ResponseWriter, code int, err error) {
-	s := err.Error()
-	w.Header().Set("Content-Length", strconv.Itoa(len(s)))
-	w.WriteHeader(code)
-	_, err = w.Write([]byte(s))
-	if err != nil {
-		logg.Errorf("error writing error!!", "err", err, "olderr", s)
-		w.WriteHeader(500)
-	}
-}
-
-func NewHTTPRequestHandler(h request.RequestHandler) *HTTPRequestHandler {
-	return &HTTPRequestHandler{
-		RequestHandler: h,
-	}
-}
-
-func (hh *HTTPRequestHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
-	var code int
-	var err error
-	var perr error
-
-	rqs := request.RequestSession{
-		Ctx:    req.Context(),
-		Writer: w,
-	}
-
-	rp := hh.GetRequestParser()
-	cfg := hh.GetConfig()
-	cfg.SessionId, err = rp.GetSessionId(req.Context(), req)
-	if err != nil {
-		logg.ErrorCtxf(rqs.Ctx, "", "header processing error", err)
-		hh.WriteError(w, 400, err)
-	}
-	rqs.Config = cfg
-	rqs.Input, err = rp.GetInput(req)
-	if err != nil {
-		logg.ErrorCtxf(rqs.Ctx, "", "header processing error", err)
-		hh.WriteError(w, 400, err)
-		return
-	}
-
-	rqs, err = hh.Process(rqs)
-	switch err {
-	case errors.ErrStorage:
-		code = 500
-	case errors.ErrEngineInit:
-		code = 500
-	case errors.ErrEngineExec:
-		code = 500
-	default:
-		code = 200
-	}
-
-	if code != 200 {
-		hh.WriteError(w, 500, err)
-		return
-	}
-
-	w.WriteHeader(200)
-	w.Header().Set("Content-Type", "text/plain")
-	rqs, err = hh.Output(rqs)
-	rqs, perr = hh.Reset(rqs)
-	if err != nil {
-		hh.WriteError(w, 500, err)
-		return
-	}
-	if perr != nil {
-		hh.WriteError(w, 500, perr)
-		return
-	}
-}

request/http/server_test.go

@@ -1,233 +0,0 @@
-package http
-
-import (
-	"bytes"
-	"context"
-	"errors"
-	"net/http"
-	"net/http/httptest"
-	"testing"
-
-	"git.defalsify.org/vise.git/engine"
-	viseerrors "git.grassecon.net/grassrootseconomics/visedriver/errors"
-	"git.grassecon.net/grassrootseconomics/visedriver/testutil/mocks/httpmocks"
-	"git.grassecon.net/grassrootseconomics/visedriver/request"
-)
-
-// invalidRequestType is a custom type to test invalid request scenarios
-type invalidRequestType struct{}
-
-// errorReader is a helper type that always returns an error when Read is called
-type errorReader struct{}
-
-func (e *errorReader) Read(p []byte) (n int, err error) {
-	return 0, errors.New("read error")
-}
-
-func TestRequestHandler_ServeHTTP(t *testing.T) {
-	tests := []struct {
-		name           string
-		sessionID      string
-		input          []byte
-		parserErr      error
-		processErr     error
-		outputErr      error
-		resetErr       error
-		expectedStatus int
-	}{
-		{
-			name:           "Success",
-			sessionID:      "123",
-			input:          []byte("test input"),
-			expectedStatus: http.StatusOK,
-		},
-		{
-			name:           "Missing Session ID",
-			sessionID:      "",
-			parserErr:      viseerrors.ErrSessionMissing,
-			expectedStatus: http.StatusBadRequest,
-		},
-		{
-			name:           "Process Error",
-			sessionID:      "123",
-			input:          []byte("test input"),
-			processErr:     viseerrors.ErrStorage,
-			expectedStatus: http.StatusInternalServerError,
-		},
-		{
-			name:           "Output Error",
-			sessionID:      "123",
-			input:          []byte("test input"),
-			outputErr:      errors.New("output error"),
-			expectedStatus: http.StatusOK,
-		},
-		{
-			name:           "Reset Error",
-			sessionID:      "123",
-			input:          []byte("test input"),
-			resetErr:       errors.New("reset error"),
-			expectedStatus: http.StatusOK,
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			mockRequestParser := &httpmocks.MockRequestParser{
-				GetSessionIdFunc: func(any) (string, error) {
-					return tt.sessionID, tt.parserErr
-				},
-				GetInputFunc: func(any) ([]byte, error) {
-					return tt.input, nil
-				},
-			}
-
-			mockRequestHandler := &httpmocks.MockRequestHandler{
-				ProcessFunc: func(rs request.RequestSession) (request.RequestSession, error) {
-					return rs, tt.processErr
-				},
-				OutputFunc: func(rs request.RequestSession) (request.RequestSession, error) {
-					return rs, tt.outputErr
-				},
-				ResetFunc: func(rs request.RequestSession) (request.RequestSession, error) {
-					return rs, tt.resetErr
-				},
-				GetRequestParserFunc: func() request.RequestParser {
-					return mockRequestParser
-				},
-				GetConfigFunc: func() engine.Config {
-					return engine.Config{}
-				},
-			}
-
-			sessionHandler := &HTTPRequestHandler{
-				RequestHandler: mockRequestHandler,
-			}
-
-			req := httptest.NewRequest(http.MethodPost, "/", bytes.NewBuffer(tt.input))
-			req.Header.Set("X-Vise-Session", tt.sessionID)
-
-			rr := httptest.NewRecorder()
-
-			sessionHandler.ServeHTTP(rr, req)
-
-			if status := rr.Code; status != tt.expectedStatus {
-				t.Errorf("handler returned wrong status code: got %v want %v",
-					status, tt.expectedStatus)
-			}
-		})
-	}
-}
-
-func TestRequestHandler_WriteError(t *testing.T) {
-	handler := &HTTPRequestHandler{}
-	mockWriter := &httpmocks.MockWriter{}
-	err := errors.New("test error")
-
-	handler.WriteError(mockWriter, http.StatusBadRequest, err)
-
-	if mockWriter.WrittenString != "" {
-		t.Errorf("Expected empty body, got %s", mockWriter.WrittenString)
-	}
-}
-
-func TestDefaultRequestParser_GetSessionId(t *testing.T) {
-	tests := []struct {
-		name          string
-		request       any
-		expectedID    string
-		expectedError error
-	}{
-		{
-			name: "Valid Session ID",
-			request: func() *http.Request {
-				req := httptest.NewRequest(http.MethodPost, "/", nil)
-				req.Header.Set("X-Vise-Session", "123456")
-				return req
-			}(),
-			expectedID:    "123456",
-			expectedError: nil,
-		},
-		{
-			name:          "Missing Session ID",
-			request:       httptest.NewRequest(http.MethodPost, "/", nil),
-			expectedID:    "",
-			expectedError: viseerrors.ErrSessionMissing,
-		},
-		{
-			name:          "Invalid Request Type",
-			request:       invalidRequestType{},
-			expectedID:    "",
-			expectedError: viseerrors.ErrInvalidRequest,
-		},
-	}
-
-	parser := &DefaultRequestParser{}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			id, err := parser.GetSessionId(context.Background(),tt.request)
-
-			if id != tt.expectedID {
-				t.Errorf("Expected session ID %s, got %s", tt.expectedID, id)
-			}
-
-			if err != tt.expectedError {
-				t.Errorf("Expected error %v, got %v", tt.expectedError, err)
-			}
-		})
-	}
-}
-
-func TestDefaultRequestParser_GetInput(t *testing.T) {
-	tests := []struct {
-		name          string
-		request       any
-		expectedInput []byte
-		expectedError error
-	}{
-		{
-			name: "Valid Input",
-			request: func() *http.Request {
-				return httptest.NewRequest(http.MethodPost, "/", bytes.NewBufferString("test input"))
-			}(),
-			expectedInput: []byte("test input"),
-			expectedError: nil,
-		},
-		{
-			name:          "Empty Input",
-			request:       httptest.NewRequest(http.MethodPost, "/", nil),
-			expectedInput: []byte{},
-			expectedError: nil,
-		},
-		{
-			name:          "Invalid Request Type",
-			request:       invalidRequestType{},
-			expectedInput: nil,
-			expectedError: viseerrors.ErrInvalidRequest,
-		},
-		{
-			name: "Read Error",
-			request: func() *http.Request {
-				return httptest.NewRequest(http.MethodPost, "/", &errorReader{})
-			}(),
-			expectedInput: nil,
-			expectedError: errors.New("read error"),
-		},
-	}
-
-	parser := &DefaultRequestParser{}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			input, err := parser.GetInput(tt.request)
-
-			if !bytes.Equal(input, tt.expectedInput) {
-				t.Errorf("Expected input %s, got %s", tt.expectedInput, input)
-			}
-
-			if err != tt.expectedError && (err == nil || err.Error() != tt.expectedError.Error()) {
-				t.Errorf("Expected error %v, got %v", tt.expectedError, err)
-			}
-		})
-	}
-}

sample_tokens.json

@@ -1,44 +0,0 @@
-{
-    "ok": true,
-    "description": "Token holdings with current balances",
-    "result": {
-      "holdings": [
-        {
-          "contractAddress": "0x6CC75A06ac72eB4Db2eE22F781F5D100d8ec03ee",
-          "tokenSymbol": "FSPTST",
-          "tokenDecimals": "6",
-          "balance": "8869964242"
-        },
-        {
-          "contractAddress": "0x724F2910D790B54A39a7638282a45B1D83564fFA",
-          "tokenSymbol": "GEO",
-          "tokenDecimals": "6",
-          "balance": "9884"
-        },
-        {
-          "contractAddress": "0x2105a206B7bec31E2F90acF7385cc8F7F5f9D273",
-          "tokenSymbol": "MFNK",
-          "tokenDecimals": "6",
-          "balance": "19788697"
-        },
-        {
-          "contractAddress": "0x63DE2Ac8D1008351Cc69Fb8aCb94Ba47728a7E83",
-          "tokenSymbol": "MILO",
-          "tokenDecimals": "6",
-          "balance": "75"
-        },
-        {
-          "contractAddress": "0xd4c288865Ce0985a481Eef3be02443dF5E2e4Ea9",
-          "tokenSymbol": "SOHAIL",
-          "tokenDecimals": "6",
-          "balance": "27874115"
-        },
-        {
-          "contractAddress": "0x45d747172e77d55575c197CbA9451bC2CD8F4958",
-          "tokenSymbol": "SRF",
-          "tokenDecimals": "6",
-          "balance": "2745987"
-        }
-      ]
-    }
-  }

services/registration/Makefile

@@ -0,0 +1,18 @@
+# Variables to match files in the current directory
+INPUTS = $(wildcard ./*.vis)
+TXTS = $(wildcard ./*.txt.orig)
+VISE_PATH := ../../go-vise
+
+# Rule to build .bin files from .vis files
+%.vis:
+	go run  $(VISE_PATH)/dev/asm/main.go -f pp.csv $(basename $@).vis > $(basename $@).bin
+	@echo "Built $(basename $@).bin from $(basename $@).vis"
+
+# Rule to copy .orig files to .txt
+%.txt.orig:
+	cp -v $(basename $@).orig $(basename $@)
+	@echo "Copied $(basename $@).orig to $(basename $@)"
+
+# 'all' target depends on all .vis and .txt.orig files
+all: $(INPUTS) $(TXTS)
+	@echo "Running all: $(INPUTS) $(TXTS)"

services/registration/account_creation

@@ -0,0 +1 @@
+Your account is being created...

services/registration/account_creation.vis

@@ -0,0 +1,4 @@
+RELOAD verify_pin
+CATCH create_pin_mismatch flag_pin_mismatch 1
+LOAD quit 0
+HALT

services/registration/account_creation_failed

@@ -0,0 +1 @@
+Your account creation request failed. Please try again later.

services/registration/account_creation_failed.vis

@@ -0,0 +1,3 @@
+MOUT quit 9
+HALT
+INCMP quit 9

services/registration/account_creation_failed_swa

@@ -0,0 +1 @@
+Ombi lako la kusajiliwa haliwezi kukamilishwa. Tafadhali jaribu tena baadaye.

services/registration/account_creation_swa

@@ -0,0 +1 @@
+Akaunti yako inatengenezwa...

services/registration/account_menu

@@ -0,0 +1 @@
+My Account

services/registration/account_menu_swa

@@ -0,0 +1 @@
+Akaunti yangu

services/registration/account_pending

@@ -0,0 +1 @@
+Your account is still being created.

services/registration/account_pending.vis

@@ -0,0 +1,3 @@
+RELOAD check_account_status
+CATCH main flag_account_success 1
+HALT

services/registration/account_pending_swa

@@ -0,0 +1 @@
+Akaunti yako bado inatengenezwa

services/registration/address

@@ -0,0 +1 @@
+Address: {{.check_identifier}}

services/registration/address.vis

@@ -0,0 +1,6 @@
+LOAD check_identifier 0
+RELOAD check_identifier
+MAP check_identifier
+MOUT quit 9
+HALT
+INCMP quit 9

services/registration/amount

@@ -0,0 +1,2 @@
+Maximum amount: {{.max_amount}}
+Enter amount:

services/registration/amount.vis

@@ -0,0 +1,12 @@
+LOAD reset_transaction_amount 0
+LOAD max_amount 10
+MAP max_amount
+MOUT back 0
+HALT
+LOAD validate_amount 64
+RELOAD validate_amount
+CATCH invalid_amount flag_invalid_amount 1
+INCMP _ 0
+LOAD get_recipient 12
+LOAD get_sender 64
+INCMP transaction_pin *

services/registration/amount_swa

@@ -0,0 +1,2 @@
+Kiwango cha juu: {{.max_amount}}
+Weka kiwango:

services/registration/back_menu

@@ -0,0 +1 @@
+Back

services/registration/back_menu_swa

@@ -0,0 +1 @@
+Rudi

services/registration/balances

@@ -0,0 +1 @@
+Balances:

services/registration/balances.vis

@@ -0,0 +1,8 @@
+LOAD reset_account_authorized 0
+MOUT my_balance 1
+MOUT community_balance 2
+MOUT back 0
+HALT
+INCMP _ 0
+INCMP my_balance 1
+INCMP community_balance 2

services/registration/balances_swa

@@ -0,0 +1 @@
+Salio

services/registration/change_language_menu

@@ -0,0 +1 @@
+Change language

services/registration/change_language_menu_swa

@@ -0,0 +1 @@
+Badili lugha

services/registration/change_pin_menu

@@ -0,0 +1 @@
+Change PIN

services/registration/change_pin_menu_swa

@@ -0,0 +1 @@
+Badili PIN

services/registration/check_balance_menu

@@ -0,0 +1 @@
+Check balances

services/registration/check_balance_menu_swa

@@ -0,0 +1 @@
+Angalia salio

services/registration/check_statement_menu

@@ -0,0 +1 @@
+Check statement

services/registration/check_statement_menu_swa

@@ -0,0 +1 @@
+Taarifa ya matumizi

services/registration/comminity_balance_swa

@@ -0,0 +1 @@
+Salio la kikundi

services/registration/community_balance

@@ -0,0 +1,2 @@
+Your community balance is: 0.00SRF
+

services/registration/community_balance.vis

@@ -0,0 +1,5 @@
+LOAD reset_incorrect 0
+CATCH incorrect_pin flag_incorrect_pin 1
+CATCH pin_entry flag_account_authorized 0
+LOAD quit_with_balance 0
+HALT

services/registration/community_balance_menu

@@ -0,0 +1 @@
+Community  balance

services/registration/community_balance_menu_swa

@@ -0,0 +1 @@
+Salio la kikundi

services/registration/confirm_create_pin

@@ -0,0 +1 @@
+Enter your four number PIN again:

services/registration/confirm_create_pin.vis

@@ -0,0 +1,4 @@
+LOAD save_pin 0
+HALT
+LOAD verify_pin 8
+INCMP account_creation *

services/registration/confirm_create_pin_swa

@@ -0,0 +1 @@
+Weka PIN yako tena:

services/registration/confirm_pin_change

@@ -0,0 +1 @@
+Confirm your new PIN:

services/registration/confirm_pin_change.vis

@@ -0,0 +1,7 @@
+CATCH invalid_pin flag_valid_pin 0
+MOUT back 0
+HALT
+INCMP _ 0
+INCMP * pin_reset_success
+
+

services/registration/confirm_pin_change_swa

@@ -0,0 +1 @@
+Thibitisha PIN yako mpya:

services/registration/create_pin

@@ -0,0 +1 @@
+Please enter a new four number PIN for your account:

services/registration/create_pin.vis

@@ -0,0 +1,9 @@
+LOAD create_account 0
+CATCH account_creation_failed flag_account_creation_failed 1
+MOUT exit 0
+HALT
+LOAD save_pin 0
+RELOAD save_pin
+CATCH . flag_incorrect_pin 1
+INCMP quit 0
+INCMP confirm_create_pin *

services/registration/create_pin_mismatch

@@ -0,0 +1 @@
+The PIN is not a match. Try again

services/registration/create_pin_mismatch.vis

@@ -0,0 +1,5 @@
+MOUT retry 1
+MOUT quit 9
+HALT
+INCMP confirm_create_pin 1
+INCMP quit 9

services/registration/create_pin_mismatch_swa

@@ -0,0 +1 @@
+PIN uliyoweka haifanani. Jaribu tena

services/registration/create_pin_swa

@@ -0,0 +1 @@
+Tafadhali weka PIN mpya yenye nambari nne kwa akaunti yako:

services/registration/display_profile_info

@@ -0,0 +1,5 @@
+Wasifu wangu
+Name: Not provided
+Gender: Not provided
+Age: Not provided
+Location: Not provided

services/registration/display_profile_info.vis

@@ -0,0 +1,3 @@
+MOUT back 0
+HALT
+INCMP _ 0

services/registration/edit_gender_menu

@@ -0,0 +1 @@
+Edit gender

services/registration/edit_gender_menu_swa

@@ -0,0 +1 @@
+Weka jinsia

services/registration/edit_location_menu

@@ -0,0 +1 @@
+Edit location

services/registration/edit_location_menu_swa

@@ -0,0 +1 @@
+Weka eneo

services/registration/edit_name_menu

@@ -0,0 +1 @@
+Edit name

services/registration/edit_name_menu_swa

@@ -0,0 +1 @@
+Weka jina

services/registration/edit_offerings_menu

@@ -0,0 +1 @@
+Edit offerings

services/registration/edit_offerings_menu_swa

@@ -0,0 +1 @@
+Weka unachouza

services/registration/edit_profile

@@ -0,0 +1 @@
+My profile

services/registration/edit_profile.vis

@@ -0,0 +1,20 @@
+LOAD reset_account_authorized 16
+LOAD reset_allow_update 0
+RELOAD reset_allow_update
+MOUT edit_name 1
+MOUT edit_gender 2
+MOUT edit_yob 3
+MOUT edit_location 4
+MOUT edit_offerings 5
+MOUT view 6
+MOUT back 0
+HALT
+INCMP _ 0
+LOAD set_reset_single_edit 0
+RELOAD set_reset_single_edit
+INCMP enter_name 1
+INCMP select_gender 2
+INCMP enter_yob 3
+INCMP enter_location 4
+INCMP enter_offerings 5
+INCMP view_profile 6

services/registration/edit_profile_swa

@@ -0,0 +1 @@
+Wasifu wangu

services/registration/edit_yob_menu

@@ -0,0 +1 @@
+Edit year of birth

services/registration/edit_yob_menu_swa

@@ -0,0 +1 @@
+Weka mwaka wa kuzaliwa

services/registration/enter_familyname

@@ -0,0 +1 @@
+Enter family name: