Http server harness

Add storage retrieval solution for http handler

Successfully executed account regisration using http

Set upstream go-vise dependency version in go.mod

Adapt menuhandler to upstream

cmd/http/main.go

@@ -0,0 +1,199 @@
+package main
+
+import (
+	"context"
+	"flag"
+	"fmt"
+	"net/http"
+	"os"
+	"path"
+	"strconv"
+
+	"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/persist"
+	"git.defalsify.org/vise.git/resource"
+	"git.defalsify.org/vise.git/logging"
+
+	"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")
+)
+
+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 getStateStore(dbDir string, ctx context.Context) (db.Db, error) {
+	err := os.MkdirAll(dbDir, 0700)
+	if err != nil {
+		return nil, fmt.Errorf("state dir create exited with error: %v\n", err)
+	}
+	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 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 resourceDir string
+	var size uint
+	var sessionId string
+	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)
+
+	ctx := context.Background()
+	ctx = context.WithValue(ctx, "SessionId",sessionId)
+	pfp := path.Join(scriptDir, "pp.csv")
+	flagParser, err := getFlags(pfp, true)
+
+	if err != nil {
+		os.Exit(1)
+	}
+
+	cfg := engine.Config{
+		Root:       "root",
+		SessionId:  sessionId,
+		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)
+	}
+
+	userdataStore := getUserdataDb(dbDir, ctx)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+
+	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)
+	}
+
+	sh := httpserver.NewSessionHandler(cfg, rs, userdataStore, stateStore, hl.Init)
+	s := &http.Server{
+		Addr: fmt.Sprintf("%s:%s", host, strconv.Itoa(int(port))),
+		Handler: sh,
+	}
+
+	err = s.ListenAndServe()
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "Server error: %s", err)
+		os.Exit(1)
+	}
+}

cmd/main.go

@@ -12,18 +12,18 @@ import (
 	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.defalsify.org/vise.git/logging"
 	"git.grassecon.net/urdt/ussd/internal/handlers/ussd"
 )
 
 var (
-	logg = logging.NewVanilla()
+	logg      = logging.NewVanilla()
 	scriptDir = path.Join("services", "registration")
 )
 
-func getFlags(fp string, debug bool) (*asm.FlagParser, error) {
+func getParser(fp string, debug bool) (*asm.FlagParser, error) {
 	flagParser := asm.NewFlagParser().WithDebug()
 	_, err := flagParser.Load(fp)
 	if err != nil {
@@ -34,10 +34,11 @@ func getFlags(fp string, debug bool) (*asm.FlagParser, error) {
 
 func getHandler(appFlags *asm.FlagParser, rs *resource.DbResource, pe *persist.Persister, userdataStore db.Db) (*ussd.Handlers, error) {
 
-	ussdHandlers, err := ussd.NewHandlers(appFlags, pe, userdataStore)
+	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)
@@ -90,7 +91,7 @@ func getUserdataDb(dbDir string, ctx context.Context) db.Db {
 	store := gdbmdb.NewGdbmDb()
 	storeFile := path.Join(dbDir, "userdata.gdbm")
 	store.Connect(ctx, storeFile)
-	
+
 	return store
 }
 
@@ -112,23 +113,21 @@ func getEngine(cfg engine.Config, rs resource.Resource, pr *persist.Persister) *
 
 func main() {
 	var dbDir string
-	var resourceDir 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.StringVar(&resourceDir, "resourcedir", path.Join("services", "registration"), "resource dir")
 	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, "resourcedir", resourceDir,  "outputsize", size)
+	logg.Infof("start command", "dbdir", dbDir, "outputsize", size)
 
 	ctx := context.Background()
-	ctx = context.WithValue(ctx, "SessionId",sessionId)
+	ctx = context.WithValue(ctx, "SessionId", sessionId)
 	pfp := path.Join(scriptDir, "pp.csv")
-	flagParser, err := getFlags(pfp, true)
+	flagParser, err := getParser(pfp, true)
 
 	if err != nil {
 		os.Exit(1)
@@ -141,13 +140,13 @@ func main() {
 		FlagCount:  uint32(16),
 	}
 
-	rs, err := getResource(resourceDir, ctx)
+	rs, err := getResource(scriptDir, ctx)
 	if err != nil {
 		fmt.Fprintf(os.Stderr, err.Error())
 		os.Exit(1)
 	}
 
-	pr, err := getPersister(dbDir, ctx)
+	pe, err := getPersister(dbDir, ctx)
 	if err != nil {
 		fmt.Fprintf(os.Stderr, err.Error())
 		os.Exit(1)
@@ -161,16 +160,17 @@ func main() {
 
 	dbResource, ok := rs.(*resource.DbResource)
 	if !ok {
+		fmt.Fprintf(os.Stderr, err.Error())
 		os.Exit(1)
 	}
 
-	hl, err := getHandler(flagParser, dbResource, pr, store)
+	hl, err := getHandler(flagParser, dbResource, pe, store)
 	if err != nil {
 		fmt.Fprintf(os.Stderr, err.Error())
 		os.Exit(1)
 	}
 
-	en := getEngine(cfg, rs, pr)
+	en := getEngine(cfg, rs, pe)
 	en = en.WithFirst(hl.Init)
 	if debug {
 		en = en.WithDebug(nil)

go-vise

@@ -1 +0,0 @@
-Subproject commit 2bddc363f20210ab019eec29d8ba4104d147e9b7

go.mod

@@ -2,4 +2,24 @@ module git.grassecon.net/urdt/ussd
 
 go 1.22.6
 
-require github.com/stretchr/testify v1.9.0 // indirect
+require (
+	git.defalsify.org/vise.git v0.1.0-rc.2.0.20240907200911-15fe28c9d5b0
+	github.com/alecthomas/assert/v2 v2.2.2
+	gopkg.in/leonelquinteros/gotext.v1 v1.3.1
+)
+
+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 v1.1.1 // 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/mattn/kinako v0.0.0-20170717041458-332c0a7e205a // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/stretchr/objx v0.5.2 // indirect
+	github.com/stretchr/testify v1.9.0
+	github.com/x448/float16 v0.8.4 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)

go.sum

@@ -1,2 +1,36 @@
+git.defalsify.org/vise.git v0.1.0-rc.2.0.20240907200911-15fe28c9d5b0 h1:B9kE2XXjrYmHNIgRV6fR1WLWE8+z8OvDhJSc96lbGPQ=
+git.defalsify.org/vise.git v0.1.0-rc.2.0.20240907200911-15fe28c9d5b0/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/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/fxamacker/cbor/v2 v2.4.0 h1:ri0ArlOR+5XunOP8CRUowT0pSJOwhW098ZCUyskZD88=
+github.com/fxamacker/cbor/v2 v2.4.0/go.mod h1:TA1xS00nchWmaBnEIxPSE5oHLuJBAVvqrtAnWBwBCVo=
+github.com/graygnuorg/go-gdbm v0.0.0-20220711140707-71387d66dce4 h1:U4kkNYryi/qfbBF8gh7Vsbuz+cVmhf5kt6pE9bYYyLo=
+github.com/graygnuorg/go-gdbm v0.0.0-20220711140707-71387d66dce4/go.mod h1:zpZDgZFzeq9s0MIeB1P50NIEWDFFHSFBohI/NbaTD/Y=
+github.com/hexops/gotextdiff v1.0.3 h1:gitA9+qJrrTCsiCl7+kh75nPqQt1cx4ZkudSTLoUqJM=
+github.com/hexops/gotextdiff v1.0.3/go.mod h1:pSWU5MAI3yDq+fZBTazCSJysOMbxWL1BSow5/V2vxeg=
+github.com/mattn/kinako v0.0.0-20170717041458-332c0a7e205a h1:0Q3H0YXzMHiciXtRcM+j0jiCe8WKPQHoRgQiRTnfcLY=
+github.com/mattn/kinako v0.0.0-20170717041458-332c0a7e205a/go.mod h1:CdTTBOYzS5E4mWS1N8NWP6AHI19MP0A2B18n3hLzRMk=
+github.com/peteole/testdata-loader v0.3.0 h1:8jckE9KcyNHgyv/VPoaljvKZE0Rqr8+dPVYH6rfNr9I=
+github.com/peteole/testdata-loader v0.3.0/go.mod h1:Mt0ZbRtb56u8SLJpNP+BnQbENljMorYBpqlvt3cS83U=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.5.2 h1:xuMeJ0Sdp5ZMRXx/aWO6RZxdr3beISkG5/G/aIRr3pY=
+github.com/stretchr/objx v0.5.2/go.mod h1:FRsXN1f5AsAjCGJKqEizvkpNtU+EGNCLh3NxZ/8L+MA=
 github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
 github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+github.com/x448/float16 v0.8.4 h1:qLwI1I70+NjRFUR3zs1JPUCgaCXSh3SW62uAKT1mSBM=
+github.com/x448/float16 v0.8.4/go.mod h1:14CWIYCyZA/cWjXOioeEpHeN/83MdbZDRQHoFcYsOfg=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/leonelquinteros/gotext.v1 v1.3.1 h1:8d9/fdTG0kn/B7NNGV1BsEyvektXFAbkMsTZS2sFSCc=
+gopkg.in/leonelquinteros/gotext.v1 v1.3.1/go.mod h1:X1WlGDeAFIYsW6GjgMm4VwUwZ2XjI7Zan2InxSUQWrU=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

internal/handlers/ussd/menuhandler.go

@@ -29,23 +29,6 @@ var (
 	translationDir = path.Join(scriptDir, "locale")
 )
 
-const (
-	TrackingIdKey  = "TRACKINGID"
-	PublicKeyKey   = "PUBLICKEY"
-	CustodialIdKey = "CUSTODIALID"
-	AccountPin     = "ACCOUNTPIN"
-	AccountStatus  = "ACCOUNTSTATUS"
-	FirstName      = "FIRSTNAME"
-	FamilyName     = "FAMILYNAME"
-	YearOfBirth    = "YOB"
-	Location       = "LOCATION"
-	Gender         = "GENDER"
-	Offerings      = "OFFERINGS"
-	Recipient      = "RECIPIENT"
-	Amount         = "AMOUNT"
-	AccountCreated = "ACCOUNTCREATED"
-)
-
 type FSData struct {
 	Path string
 	St   *state.State
@@ -75,27 +58,24 @@ func (fm *FlagManager) GetFlag(label string) (uint32, error) {
 }
 
 type Handlers struct {
-	pe	*persist.Persister
-	st                 *state.State
-	ca                 cache.Memory
-	userdataStore      db.Db
-	flagManager        *asm.FlagParser
-	accountFileHandler *utils.AccountFileHandler
-	accountService     server.AccountServiceInterface
+	pe             *persist.Persister
+	st             *state.State
+	ca             cache.Memory
+	userdataStore  utils.DataStore
+	flagManager    *asm.FlagParser
+	accountService server.AccountServiceInterface
 }
 
-func NewHandlers(appFlags *asm.FlagParser, pe *persist.Persister, userdataStore db.Db) (*Handlers, error) {
-	if pe == nil {
-		return nil, fmt.Errorf("cannot create handler with nil persister")
-	}
+func NewHandlers(appFlags *asm.FlagParser, userdataStore db.Db) (*Handlers, error) {
 	if userdataStore == nil {
 		return nil, fmt.Errorf("cannot create handler with nil userdata store")
 	}
+	userDb := &utils.UserDataStore{
+		Db: userdataStore,
+	}
 	h := &Handlers{
-		pe:	pe,
-		userdataStore:      userdataStore,
+		userdataStore:      userDb,
 		flagManager:        appFlags,
-		accountFileHandler: utils.NewAccountFileHandler(userdataStore),
 		accountService:     &server.AccountService{},
 	}
 	return h, nil
@@ -110,6 +90,14 @@ func isValidPIN(pin string) bool {
 	return match
 }
 
+func (h *Handlers) WithPersister(pe *persist.Persister) *Handlers {
+	if h.pe != nil {
+		panic("persister already set")
+	}
+	h.pe = pe
+	return h
+}
+
 func (h *Handlers) Init(ctx context.Context, sym string, input []byte) (resource.Result, error) {
 	var r resource.Result
 
@@ -122,7 +110,7 @@ func (h *Handlers) Init(ctx context.Context, sym string, input []byte) (resource
 	if h.st == nil || h.ca == nil {
 		logg.ErrorCtxf(ctx, "perister fail in handler", "state", h.st, "cache", h.ca)
 		return r, fmt.Errorf("cannot get state and memory for handler")
-	}	
+	}
 	h.pe = nil
 
 	logg.DebugCtxf(ctx, "handler has been initialized", "state", h.st, "cache", h.ca)
@@ -164,7 +152,8 @@ func (h *Handlers) createAccountNoExist(ctx context.Context, sessionId string, r
 	}
 
 	for key, value := range data {
-		err := utils.WriteEntry(ctx, h.userdataStore, sessionId, key, []byte(value))
+		store := h.userdataStore
+		err := store.WriteEntry(ctx, sessionId, key, []byte(value))
 		if err != nil {
 			return err
 		}
@@ -181,20 +170,15 @@ func (h *Handlers) createAccountNoExist(ctx context.Context, sessionId string, r
 func (h *Handlers) CreateAccount(ctx context.Context, sym string, input []byte) (resource.Result, error) {
 	var res resource.Result
 	var err error
-
 	sessionId, ok := ctx.Value("SessionId").(string)
 	if !ok {
 		return res, fmt.Errorf("missing session")
 	}
-	_, err = utils.ReadEntry(ctx, h.userdataStore, sessionId, utils.DATA_ACCOUNT_CREATED)
+	store := h.userdataStore
+	_, err = store.ReadEntry(ctx, sessionId, utils.DATA_ACCOUNT_CREATED)
 	if err != nil {
 		if db.IsNotFound(err) {
-			fmt.Println("Creating an account because it doesn't exist")
-			err = h.createAccountNoExist(ctx, sessionId, &res)
-			if err != nil {
-				return res, err
-			}
-		} else {
+			logg.Printf(logging.LVL_INFO, "Creating an account because it doesn't exist")
 			err = h.createAccountNoExist(ctx, sessionId, &res)
 			if err != nil {
 				return res, err
@@ -208,7 +192,7 @@ func (h *Handlers) CreateAccount(ctx context.Context, sym string, input []byte)
 func (h *Handlers) SavePin(ctx context.Context, sym string, input []byte) (resource.Result, error) {
 	var res resource.Result
 	var err error
-	
+
 	sessionId, ok := ctx.Value("SessionId").(string)
 	if !ok {
 		return res, fmt.Errorf("missing session")
@@ -224,19 +208,18 @@ func (h *Handlers) SavePin(ctx context.Context, sym string, input []byte) (resou
 	}
 
 	res.FlagReset = append(res.FlagReset, flag_incorrect_pin)
-
-	err = utils.WriteEntry(ctx, h.userdataStore, sessionId, utils.DATA_ACCOUNT_PIN, []byte(accountPIN))
+	store := h.userdataStore
+	err = store.WriteEntry(ctx, sessionId, utils.DATA_ACCOUNT_PIN, []byte(accountPIN))
 	if err != nil {
-		return res, nil
+		return res, err
 	}
-
 	return res, nil
 }
 
 // SetResetSingleEdit sets and resets  flags to allow gradual editing of profile information.
 func (h *Handlers) SetResetSingleEdit(ctx context.Context, sym string, input []byte) (resource.Result, error) {
 	var res resource.Result
-	
+
 	menuOption := string(input)
 
 	flag_allow_update, _ := h.flagManager.GetFlag("flag_allow_update")
@@ -274,7 +257,12 @@ func (h *Handlers) VerifyPin(ctx context.Context, sym string, input []byte) (res
 		return res, fmt.Errorf("missing session")
 	}
 
-	AccountPin, _ := utils.ReadEntry(ctx, h.userdataStore, sessionId, utils.DATA_ACCOUNT_PIN)
+	//AccountPin, _ := utils.ReadEntry(ctx, h.userdataStore, sessionId, utils.DATA_ACCOUNT_PIN)
+	store := h.userdataStore
+	AccountPin, err := store.ReadEntry(ctx, sessionId, utils.DATA_ACCOUNT_PIN)
+	if err != nil {
+		return res, err
+	}
 
 	if bytes.Equal(input, AccountPin) {
 		res.FlagSet = []uint32{flag_valid_pin}
@@ -297,67 +285,103 @@ func codeFromCtx(ctx context.Context) string {
 	return code
 }
 
-// SaveFirstname updates the first name in a JSON data file with the provided input.
+// SaveFirstname updates the first name in the gdbm with the provided input.
 func (h *Handlers) SaveFirstname(ctx context.Context, sym string, input []byte) (resource.Result, error) {
 	var res resource.Result
+	var err error
+	sessionId, ok := ctx.Value("SessionId").(string)
+	if !ok {
+		return res, fmt.Errorf("missing session")
+	}
 
 	if len(input) > 0 {
-		//name := string(input)
-		//key := []byte(FirstName)
-		//value := []byte(name)
-		//h.db.Store(key, value, true)
+		firstName := string(input)
+		store := h.userdataStore
+		err = store.WriteEntry(ctx, sessionId, utils.DATA_FIRST_NAME, []byte(firstName))
+		if err != nil {
+			return res, err
+		}
 	}
 
 	return res, nil
 }
 
-// SaveFamilyname updates the family name in a JSON data file with the provided input.
+// SaveFamilyname updates the family name in the gdbm with the provided input.
 func (h *Handlers) SaveFamilyname(ctx context.Context, sym string, input []byte) (resource.Result, error) {
 	var res resource.Result
+	var err error
+	sessionId, ok := ctx.Value("SessionId").(string)
+	if !ok {
+		return res, fmt.Errorf("missing session")
+	}
 
 	if len(input) > 0 {
-		//secondname := string(input)
-		//key := []byte(FamilyName)
-		//value := []byte(secondname)
-		//h.db.Store(key, value, true)
+		familyName := string(input)
+		store := h.userdataStore
+		err = store.WriteEntry(ctx, sessionId, utils.DATA_FAMILY_NAME, []byte(familyName))
+		if err != nil {
+			return res, err
+		}
+		if err != nil {
+			return res, nil
+		}
+	} else {
+		return res, fmt.Errorf("a family name cannot be less than one character")
 	}
 
 	return res, nil
 }
 
-// SaveYOB updates the Year of Birth(YOB) in a JSON data file with the provided input.
+// SaveYOB updates the Year of Birth(YOB) in the gdbm with the provided input.
 func (h *Handlers) SaveYob(ctx context.Context, sym string, input []byte) (resource.Result, error) {
 	var res resource.Result
+	var err error
+	sessionId, ok := ctx.Value("SessionId").(string)
+	if !ok {
+		return res, fmt.Errorf("missing session")
+	}
 
-	yob := string(input)
-	if len(yob) == 4 {
-		//yob := string(input)
-		//key := []byte(YearOfBirth)
-		//value := []byte(yob)
-		//h.db.Store(key, value, true)
+	if len(input) == 4 {
+		yob := string(input)
+		store := h.userdataStore
+		err = store.WriteEntry(ctx, sessionId, utils.DATA_YOB, []byte(yob))
+		if err != nil {
+			return res, err
+		}
 	}
 
 	return res, nil
 }
 
-// SaveLocation updates the location in a JSON data file with the provided input.
+// SaveLocation updates the location in the gdbm with the provided input.
 func (h *Handlers) SaveLocation(ctx context.Context, sym string, input []byte) (resource.Result, error) {
 	var res resource.Result
+	var err error
+	sessionId, ok := ctx.Value("SessionId").(string)
+	if !ok {
+		return res, fmt.Errorf("missing session")
+	}
 
 	if len(input) > 0 {
-		//location := string(input)
-		//key := []byte(Location)
-		//value := []byte(location)
-
-		//h.db.Store(key, value, true)
+		location := string(input)
+		store := h.userdataStore
+		err = store.WriteEntry(ctx, sessionId, utils.DATA_LOCATION, []byte(location))
+		if err != nil {
+			return res, err
+		}
 	}
 
 	return res, nil
 }
 
-// SaveGender updates the gender in a JSON data file with the provided input.
+// SaveGender updates the gender in the gdbm with the provided input.
 func (h *Handlers) SaveGender(ctx context.Context, sym string, input []byte) (resource.Result, error) {
 	var res resource.Result
+	var err error
+	sessionId, ok := ctx.Value("SessionId").(string)
+	if !ok {
+		return res, fmt.Errorf("missing session")
+	}
 
 	if len(input) > 0 {
 		gender := string(input)
@@ -369,23 +393,34 @@ func (h *Handlers) SaveGender(ctx context.Context, sym string, input []byte) (re
 		case "3":
 			gender = "Unspecified"
 		}
-		//key := []byte(Gender)
-		//value := []byte(gender)
-		//h.db.Store(key, value, true)
+		store := h.userdataStore
+		err = store.WriteEntry(ctx, sessionId, utils.DATA_GENDER, []byte(gender))
+		if err != nil {
+			return res, nil
+		}
 	}
+
 	return res, nil
 }
 
-// SaveOfferings updates the offerings(goods and services provided by the user) in a JSON data file with the provided input.
+// SaveOfferings updates the offerings(goods and services provided by the user) in the gdbm with the provided input.
 func (h *Handlers) SaveOfferings(ctx context.Context, sym string, input []byte) (resource.Result, error) {
 	var res resource.Result
+	var err error
+	sessionId, ok := ctx.Value("SessionId").(string)
+	if !ok {
+		return res, fmt.Errorf("missing session")
+	}
 
 	if len(input) > 0 {
-		//offerings := string(input)
-		//key := []byte(Offerings)
-		//value := []byte(offerings)
-		//h.db.Store(key, value, true)
+		offerings := string(input)
+		store := h.userdataStore
+		err = store.WriteEntry(ctx, sessionId, utils.DATA_OFFERINGS, []byte(offerings))
+		if err != nil {
+			return res, nil
+		}
 	}
+
 	return res, nil
 }
 
@@ -413,11 +448,16 @@ func (h *Handlers) ResetAccountAuthorized(ctx context.Context, sym string, input
 func (h *Handlers) CheckIdentifier(ctx context.Context, sym string, input []byte) (resource.Result, error) {
 	var res resource.Result
 
-	//publicKey, err := h.db.Fetch([]byte(PublicKeyKey))
-	// if err != nil {
-	// 	return res, err
-	// }
-	res.Content = "string(publicKey)"
+	sessionId, ok := ctx.Value("SessionId").(string)
+	if !ok {
+		return res, fmt.Errorf("missing session")
+	}
+
+	store := h.userdataStore
+	publicKey, _ := store.ReadEntry(ctx, sessionId, utils.DATA_PUBLIC_KEY)
+
+	res.Content = string(publicKey)
+
 	return res, nil
 }
 
@@ -427,14 +467,20 @@ func (h *Handlers) Authorize(ctx context.Context, sym string, input []byte) (res
 	var res resource.Result
 	var err error
 
-	flag_incorrect_pin, _ := h.flagManager.GetFlag("flag_incorrect_pin")
-	flag_account_authorized, _ := h.flagManager.GetFlag("flag_account_authorized")
-	flag_allow_update, _ := h.flagManager.GetFlag("flag_allow_update")
 	sessionId, ok := ctx.Value("SessionId").(string)
 	if !ok {
 		return res, fmt.Errorf("missing session")
 	}
-	AccountPin, err := utils.ReadEntry(ctx, h.userdataStore, sessionId, utils.DATA_ACCOUNT_PIN)
+
+	flag_incorrect_pin, _ := h.flagManager.GetFlag("flag_incorrect_pin")
+	flag_account_authorized, _ := h.flagManager.GetFlag("flag_account_authorized")
+	flag_allow_update, _ := h.flagManager.GetFlag("flag_allow_update")
+
+	store := h.userdataStore
+	AccountPin, err := store.ReadEntry(ctx, sessionId, utils.DATA_ACCOUNT_PIN)
+	if err != nil {
+		return res, err
+	}
 
 	if err == nil {
 		if len(input) == 4 {
@@ -481,26 +527,22 @@ func (h *Handlers) CheckAccountStatus(ctx context.Context, sym string, input []b
 	if !ok {
 		return res, fmt.Errorf("missing session")
 	}
-
-	trackingId, _ := utils.ReadEntry(ctx, h.userdataStore, sessionId, utils.DATA_TRACKING_ID)
+	store := h.userdataStore
+	trackingId, err := store.ReadEntry(ctx, sessionId, utils.DATA_TRACKING_ID)
+	if err != nil {
+		return res, err
+	}
 
 	status, err := h.accountService.CheckAccountStatus(string(trackingId))
-
 	if err != nil {
 		fmt.Println("Error checking account status:", err)
 		return res, err
-
 	}
 
-	// err = h.db.Store(toBytes(AccountStatus), toBytes(status), true)
-	// if err != nil {
-	// 	return res, nil
-	// }
-
-	// err = h.db.Store(toBytes(TrackingIdKey), toBytes(status), true)
-	// if err != nil {
-	// 	return res, nil
-	// }
+	err = store.WriteEntry(ctx, sessionId, utils.DATA_ACCOUNT_STATUS, []byte(status))
+	if err != nil {
+		return res, nil
+	}
 
 	if status == "SUCCESS" {
 		res.FlagSet = append(res.FlagSet, flag_account_success)
@@ -567,14 +609,16 @@ func (h *Handlers) CheckBalance(ctx context.Context, sym string, input []byte) (
 	var res resource.Result
 	var err error
 
-	// publicKey, err := h.db.Fetch([]byte(PublicKeyKey))
-
 	sessionId, ok := ctx.Value("SessionId").(string)
 	if !ok {
 		return res, fmt.Errorf("missing session")
 	}
 
-	publicKey, _ := utils.ReadEntry(ctx, h.userdataStore, sessionId, utils.DATA_PUBLIC_KEY)
+	store := h.userdataStore
+	publicKey, err := store.ReadEntry(ctx, sessionId, utils.DATA_PUBLIC_KEY)
+	if err != nil {
+		return res, err
+	}
 
 	balance, err := h.accountService.CheckBalance(string(publicKey))
 	if err != nil {
@@ -588,6 +632,12 @@ func (h *Handlers) CheckBalance(ctx context.Context, sym string, input []byte) (
 // ValidateRecipient validates that the given input is a valid phone number.
 func (h *Handlers) ValidateRecipient(ctx context.Context, sym string, input []byte) (resource.Result, error) {
 	var res resource.Result
+	var err error
+
+	sessionId, ok := ctx.Value("SessionId").(string)
+	if !ok {
+		return res, fmt.Errorf("missing session")
+	}
 
 	recipient := string(input)
 
@@ -601,12 +651,11 @@ func (h *Handlers) ValidateRecipient(ctx context.Context, sym string, input []by
 
 			return res, nil
 		}
-
-		// accountData["Recipient"] = recipient
-		// key := []byte(Recipient)
-		// value := []byte(recipient)
-
-		// h.db.Store(key, value, true)
+		store := h.userdataStore
+		err = store.WriteEntry(ctx, sessionId, utils.DATA_RECIPIENT, []byte(recipient))
+		if err != nil {
+			return res, nil
+		}
 	}
 
 	return res, nil
@@ -616,18 +665,25 @@ func (h *Handlers) ValidateRecipient(ctx context.Context, sym string, input []by
 // as well as the invalid flags
 func (h *Handlers) TransactionReset(ctx context.Context, sym string, input []byte) (resource.Result, error) {
 	var res resource.Result
+	var err error
+
+	sessionId, ok := ctx.Value("SessionId").(string)
+	if !ok {
+		return res, fmt.Errorf("missing session")
+	}
 
 	flag_invalid_recipient, _ := h.flagManager.GetFlag("flag_invalid_recipient")
 	flag_invalid_recipient_with_invite, _ := h.flagManager.GetFlag("flag_invalid_recipient_with_invite")
+	store := h.userdataStore
+	err = store.WriteEntry(ctx, sessionId, utils.DATA_AMOUNT, []byte(""))
+	if err != nil {
+		return res, nil
+	}
 
-	// err := h.db.Delete([]byte(Amount))
-	// if err != nil && !errors.Is(err, gdbm.ErrItemNotFound) {
-	// 	return res, err
-	// }
-	// err = h.db.Delete([]byte(Recipient))
-	// if err != nil && !errors.Is(err, gdbm.ErrItemNotFound) {
-	// 	return res, err
-	// }
+	err = store.WriteEntry(ctx, sessionId, utils.DATA_RECIPIENT, []byte(""))
+	if err != nil {
+		return res, nil
+	}
 
 	res.FlagReset = append(res.FlagReset, flag_invalid_recipient, flag_invalid_recipient_with_invite)
 
@@ -637,13 +693,19 @@ func (h *Handlers) TransactionReset(ctx context.Context, sym string, input []byt
 // ResetTransactionAmount resets the transaction amount and invalid flag
 func (h *Handlers) ResetTransactionAmount(ctx context.Context, sym string, input []byte) (resource.Result, error) {
 	var res resource.Result
+	var err error
+
+	sessionId, ok := ctx.Value("SessionId").(string)
+	if !ok {
+		return res, fmt.Errorf("missing session")
+	}
 
 	flag_invalid_amount, _ := h.flagManager.GetFlag("flag_invalid_amount")
-
-	// err := h.db.Delete([]byte(Amount))
-	// if err != nil && !errors.Is(err, gdbm.ErrItemNotFound) {
-	// 	return res, err
-	// }
+	store := h.userdataStore
+	err = store.WriteEntry(ctx, sessionId, utils.DATA_AMOUNT, []byte(""))
+	if err != nil {
+		return res, nil
+	}
 
 	res.FlagReset = append(res.FlagReset, flag_invalid_amount)
 
@@ -656,12 +718,14 @@ func (h *Handlers) MaxAmount(ctx context.Context, sym string, input []byte) (res
 	var res resource.Result
 	var err error
 
-	// publicKey, err := h.db.Fetch([]byte(PublicKeyKey))
-	// if err != nil {
-	// 	return res, err
-	// }
+	sessionId, ok := ctx.Value("SessionId").(string)
+	if !ok {
+		return res, fmt.Errorf("missing session")
+	}
+	store := h.userdataStore
+	publicKey, _ := store.ReadEntry(ctx, sessionId, utils.DATA_PUBLIC_KEY)
 
-	balance, err := h.accountService.CheckBalance(string("publicKey"))
+	balance, err := h.accountService.CheckBalance(string(publicKey))
 	if err != nil {
 		return res, nil
 	}
@@ -677,16 +741,18 @@ func (h *Handlers) ValidateAmount(ctx context.Context, sym string, input []byte)
 	var res resource.Result
 	var err error
 
+	sessionId, ok := ctx.Value("SessionId").(string)
+	if !ok {
+		return res, fmt.Errorf("missing session")
+	}
+
 	flag_invalid_amount, _ := h.flagManager.GetFlag("flag_invalid_amount")
 
+	publicKey, _ := utils.ReadEntry(ctx, h.userdataStore, sessionId, utils.DATA_PUBLIC_KEY)
+
 	amountStr := string(input)
-	// publicKey, err := h.db.Fetch([]byte(PublicKeyKey))
 
-	// if err != nil {
-	// 	return res, err
-	// }
-
-	balanceStr, err := h.accountService.CheckBalance(string("publicKey"))
+	balanceStr, err := h.accountService.CheckBalance(string(publicKey))
 
 	if err != nil {
 		return res, err
@@ -726,10 +792,8 @@ func (h *Handlers) ValidateAmount(ctx context.Context, sym string, input []byte)
 	}
 
 	res.Content = fmt.Sprintf("%.3f", inputAmount) // Format to 3 decimal places
-	// key := []byte(Amount)
-	// value := []byte(res.Content)
-	// h.db.Store(key, value, true)
-
+	store := h.userdataStore
+	err = store.WriteEntry(ctx, sessionId, utils.DATA_AMOUNT, []byte(amountStr))
 	if err != nil {
 		return res, err
 	}
@@ -737,16 +801,18 @@ func (h *Handlers) ValidateAmount(ctx context.Context, sym string, input []byte)
 	return res, nil
 }
 
-// GetRecipient returns the transaction recipient from a JSON data file.
+// GetRecipient returns the transaction recipient from the gdbm.
 func (h *Handlers) GetRecipient(ctx context.Context, sym string, input []byte) (resource.Result, error) {
 	var res resource.Result
 
-	// recipient, err := h.db.Fetch([]byte(Recipient))
-	// if err != nil {
-	// 	return res, err
-	// }
+	sessionId, ok := ctx.Value("SessionId").(string)
+	if !ok {
+		return res, fmt.Errorf("missing session")
+	}
+	store := h.userdataStore
+	recipient, _ := store.ReadEntry(ctx, sessionId, utils.DATA_RECIPIENT)
 
-	res.Content = string("recipient")
+	res.Content = string(recipient)
 
 	return res, nil
 }
@@ -755,12 +821,15 @@ func (h *Handlers) GetRecipient(ctx context.Context, sym string, input []byte) (
 func (h *Handlers) GetSender(ctx context.Context, sym string, input []byte) (resource.Result, error) {
 	var res resource.Result
 
-	// publicKey, err := h.db.Fetch([]byte(PublicKeyKey))
-	// if err != nil {
-	// 	return res, err
-	// }
+	sessionId, ok := ctx.Value("SessionId").(string)
+	if !ok {
+		return res, fmt.Errorf("missing session")
+	}
 
-	res.Content = string("publicKey")
+	store := h.userdataStore
+	publicKey, _ := store.ReadEntry(ctx, sessionId, utils.DATA_PUBLIC_KEY)
+
+	res.Content = string(publicKey)
 
 	return res, nil
 }
@@ -769,11 +838,14 @@ func (h *Handlers) GetSender(ctx context.Context, sym string, input []byte) (res
 func (h *Handlers) GetAmount(ctx context.Context, sym string, input []byte) (resource.Result, error) {
 	var res resource.Result
 
-	// amount, err := h.db.Fetch([]byte(Amount))
-	// if err != nil {
-	// 	return res, err
-	// }
-	res.Content = string("amount")
+	sessionId, ok := ctx.Value("SessionId").(string)
+	if !ok {
+		return res, fmt.Errorf("missing session")
+	}
+	store := h.userdataStore
+	amount, _ := store.ReadEntry(ctx, sessionId, utils.DATA_AMOUNT)
+
+	res.Content = string(amount)
 
 	return res, nil
 }
@@ -783,17 +855,23 @@ func (h *Handlers) GetAmount(ctx context.Context, sym string, input []byte) (res
 func (h *Handlers) QuitWithBalance(ctx context.Context, sym string, input []byte) (resource.Result, error) {
 	var res resource.Result
 	var err error
+	sessionId, ok := ctx.Value("SessionId").(string)
+	if !ok {
+		return res, fmt.Errorf("missing session")
+	}
 
 	flag_account_authorized, _ := h.flagManager.GetFlag("flag_account_authorized")
 
 	code := codeFromCtx(ctx)
 	l := gotext.NewLocale(translationDir, code)
 	l.AddDomain("default")
-	// publicKey, err := h.db.Fetch([]byte(PublicKeyKey))
-	// if err != nil {
-	// 	return res, err
-	// }
-	balance, err := h.accountService.CheckBalance(string("publicKey"))
+
+	store := h.userdataStore
+	publicKey, err := store.ReadEntry(ctx, sessionId, utils.DATA_PUBLIC_KEY)
+	if err != nil {
+		return res, err
+	}
+	balance, err := h.accountService.CheckBalance(string(publicKey))
 	if err != nil {
 		return res, nil
 	}
@@ -803,31 +881,28 @@ func (h *Handlers) QuitWithBalance(ctx context.Context, sym string, input []byte
 }
 
 // InitiateTransaction returns a confirmation and resets the transaction data
-// on the JSON file.
+// on the gdbm store.
 func (h *Handlers) InitiateTransaction(ctx context.Context, sym string, input []byte) (resource.Result, error) {
 	var res resource.Result
 	var err error
+	sessionId, ok := ctx.Value("SessionId").(string)
+	if !ok {
+		return res, fmt.Errorf("missing session")
+	}
 
 	code := codeFromCtx(ctx)
 	l := gotext.NewLocale(translationDir, code)
 	l.AddDomain("default")
 	// TODO
 	// Use the amount, recipient and sender to call the API and initialize the transaction
+	store := h.userdataStore
+	publicKey, _ := store.ReadEntry(ctx, sessionId, utils.DATA_PUBLIC_KEY)
 
-	// publicKey, err := h.db.Fetch([]byte(PublicKeyKey))
-	// if err != nil {
-	// 	return res, err
-	// }
-	// amount, err := h.db.Fetch([]byte(Amount))
-	// if err != nil {
-	// 	return res, err
-	// }
-	// recipient, err := h.db.Fetch([]byte(Recipient))
-	// if err != nil {
-	// 	return res, err
-	// }
+	amount, _ := store.ReadEntry(ctx, sessionId, utils.DATA_AMOUNT)
 
-	//res.Content = l.Get("Your request has been sent. %s will receive %s from %s.", string(recipient), string(amount), string(publicKey))
+	recipient, _ := store.ReadEntry(ctx, sessionId, utils.DATA_RECIPIENT)
+
+	res.Content = l.Get("Your request has been sent. %s will receive %s from %s.", string(recipient), string(amount), string(publicKey))
 
 	account_authorized_flag, err := h.flagManager.GetFlag("flag_account_authorized")
 	if err != nil {
@@ -841,62 +916,55 @@ func (h *Handlers) InitiateTransaction(ctx context.Context, sym string, input []
 // GetProfileInfo retrieves and formats the profile information of a user from a Gdbm backed storage.
 func (h *Handlers) GetProfileInfo(ctx context.Context, sym string, input []byte) (resource.Result, error) {
 	var res resource.Result
+	sessionId, ok := ctx.Value("SessionId").(string)
+	if !ok {
+		return res, fmt.Errorf("missing session")
+	}
 
-	// Define default values
-	defaultValue := "Not provided"
-	name := defaultValue
-	familyName := defaultValue
-	yob := defaultValue
-	gender := defaultValue
-	location := defaultValue
-	offerings := defaultValue
+	// Default value when an entry is not found
+	defaultValue := "Not Provided"
 
-	// Fetch data using a map for better organization
-	// dataKeys := map[string]*string{
-	// 	FirstName:   &name,
-	// 	FamilyName:  &familyName,
-	// 	YearOfBirth: &yob,
-	// 	Location:    &location,
-	// 	Gender:      &gender,
-	// 	Offerings:   &offerings,
-	// }
-
-	// Iterate over keys and fetch values
-	//iter := h.db.Iterator()
-	// next := h.db.Iterator()
-	// //defer iter.Close() // Ensure the iterator is closed
-	// for key, err := next(); err == nil; key, err = next() {
-	// 	if valuePointer, ok := dataKeys[string(key)]; ok {
-	// 		// value, fetchErr := h.db.Fetch(key)
-	// 		// if fetchErr == nil {
-	// 		// 	*valuePointer = string(value)
-	// 		// }
-	// 	}
-	// }
+	// Helper function to handle nil byte slices and convert them to string
+	getEntryOrDefault := func(entry []byte, err error) string {
+		if err != nil || entry == nil {
+			return defaultValue
+		}
+		return string(entry)
+	}
+	store := h.userdataStore
+	// Retrieve user data as strings with fallback to defaultValue
+	firstName := getEntryOrDefault(store.ReadEntry(ctx, sessionId, utils.DATA_FIRST_NAME))
+	familyName := getEntryOrDefault(store.ReadEntry(ctx, sessionId, utils.DATA_FAMILY_NAME))
+	yob := getEntryOrDefault(store.ReadEntry(ctx, sessionId, utils.DATA_YOB))
+	gender := getEntryOrDefault(store.ReadEntry(ctx, sessionId, utils.DATA_GENDER))
+	location := getEntryOrDefault(store.ReadEntry(ctx, sessionId, utils.DATA_LOCATION))
+	offerings := getEntryOrDefault(store.ReadEntry(ctx, sessionId, utils.DATA_OFFERINGS))
 
 	// Construct the full name
+	name := defaultValue
 	if familyName != defaultValue {
-		if name == defaultValue {
+		if firstName == defaultValue {
 			name = familyName
 		} else {
-			name = name + " " + familyName
+			name = firstName + " " + familyName
 		}
 	}
 
 	// Calculate age from year of birth
-	var age string
+	age := defaultValue
 	if yob != defaultValue {
-		yobInt, err := strconv.Atoi(yob)
-		if err != nil {
+		if yobInt, err := strconv.Atoi(yob); err == nil {
+			age = strconv.Itoa(utils.CalculateAgeWithYOB(yobInt))
+		} else {
 			return res, fmt.Errorf("invalid year of birth: %v", err)
 		}
-		age = strconv.Itoa(utils.CalculateAgeWithYOB(yobInt))
-	} else {
-		age = defaultValue
 	}
 
 	// Format the result
-	formattedData := fmt.Sprintf("Name: %s\nGender: %s\nAge: %s\nLocation: %s\nYou provide: %s\n", name, gender, age, location, offerings)
-	res.Content = formattedData
+	res.Content = fmt.Sprintf(
+		"Name: %s\nGender: %s\nAge: %s\nLocation: %s\nYou provide: %s\n",
+		name, gender, age, location, offerings,
+	)
+
 	return res, nil
 }

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/mocks.go

@@ -1,44 +0,0 @@
-package mocks
-
-import (
-	"git.grassecon.net/urdt/ussd/internal/models"
-	"github.com/stretchr/testify/mock"
-)
-
-type MockAccountFileHandler struct {
-	mock.Mock
-}
-
-func (m *MockAccountFileHandler) EnsureFileExists() error {
-	args := m.Called()
-	return args.Error(0)
-}
-
-func (m *MockAccountFileHandler) ReadAccountData() (map[string]string, error) {
-	args := m.Called()
-	return args.Get(0).(map[string]string), args.Error(1)
-}
-
-func (m *MockAccountFileHandler) WriteAccountData(data map[string]string) error {
-	args := m.Called(data)
-	return args.Error(0)
-}
-
-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) CheckAccountStatus(TrackingId string) (string, error) {
-	args := m.Called()
-	return args.Get(0).(string), args.Error(1)
-}
-
-func (m *MockAccountService) CheckBalance(PublicKey string) (string, error) {
-	args := m.Called()
-	return args.Get(0).(string), args.Error(1)
-}

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/server.go

@@ -0,0 +1,130 @@
+package http
+
+import (
+	"fmt"
+	"io/ioutil"
+	"net/http"
+
+	"git.defalsify.org/vise.git/db"
+	"git.defalsify.org/vise.git/engine"
+	"git.defalsify.org/vise.git/logging"
+	"git.defalsify.org/vise.git/persist"
+	"git.defalsify.org/vise.git/resource"
+)
+
+var (
+	logg = logging.NewVanilla().WithDomain("httpserver")
+)
+
+type RequestParser struct {
+}
+
+func(rp *RequestParser) GetSessionId(rq *http.Request) (string, error) {
+	v := rq.Header.Get("X-Vise-Session")
+	if v == "" {
+		return "", fmt.Errorf("no session found")
+	}
+	return v, nil
+}
+
+func(rp *RequestParser) GetInput(rq *http.Request) ([]byte, error) {
+	defer rq.Body.Close()
+	v, err := ioutil.ReadAll(rq.Body)
+	if err != nil {
+		return nil, err
+	}
+	return v, nil
+}
+
+type SessionHandler struct {
+	cfgTemplate engine.Config
+	rp RequestParser
+	rs resource.Resource
+	first resource.EntryFunc
+	provider StorageProvider
+}
+
+func NewSessionHandler(cfg engine.Config, rs resource.Resource, stateDb db.Db, userdataDb db.Db, first resource.EntryFunc) *SessionHandler {
+	return &SessionHandler{
+		cfgTemplate: cfg,
+		rs: rs,
+		first: first,
+		rp: RequestParser{},
+		provider: NewSimpleStorageProvider(stateDb, userdataDb),
+	}
+}
+
+func(f *SessionHandler) writeError(w http.ResponseWriter, code int, msg string, err error) {
+	w.Header().Set("X-Vise", msg + ": " + err.Error())
+	w.Header().Set("Content-Length", "0")
+	w.WriteHeader(code)
+	_, err = w.Write([]byte{})
+	if err != nil {
+		w.WriteHeader(500)
+		w.Header().Set("X-Vise", err.Error())
+	}
+	return 
+}
+
+func(f *SessionHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
+	var r bool
+	sessionId, err := f.rp.GetSessionId(req)
+	if err != nil {
+		f.writeError(w, 400, "Session missing", err)
+		return
+	}
+	input, err := f.rp.GetInput(req)
+	if err != nil {
+		f.writeError(w, 400, "Input read fail", err)
+		return
+	}
+	ctx := req.Context()
+	cfg := f.cfgTemplate
+	cfg.SessionId = sessionId
+
+	logg.InfoCtxf(ctx, "new request",  "session", cfg.SessionId, "input", input)
+
+	storage, err := f.provider.Get(cfg.SessionId)
+	if err != nil {
+		f.writeError(w, 500, "Storage retrieval fail", err)
+		return
+	}
+	en := getEngine(cfg, f.rs, storage.Persister)
+	en = en.WithFirst(f.first)
+	if cfg.EngineDebug {
+		en = en.WithDebug(nil)
+	}
+
+	r, err = en.Init(ctx)
+	if err != nil {
+		f.writeError(w, 500, "Engine init fail", err)
+		return
+	}
+	if r && len(input) > 0 {
+		r, err = en.Exec(ctx, input)
+	}
+	if err != nil {
+		f.writeError(w, 500, "Engine exec fail", err)
+		return
+	}
+
+	w.WriteHeader(200)
+	w.Header().Set("Content-Type", "text/plain")
+	_, err = en.WriteResult(ctx, w)
+	if err != nil {
+		f.writeError(w, 500, "Write result fail", err)
+		return
+	}
+	err = en.Finish()
+	if err != nil {
+		f.writeError(w, 500, "Engine finish fail", err)
+		return
+	}
+	_ = r
+}
+
+func getEngine(cfg engine.Config, rs resource.Resource, pr *persist.Persister) *engine.DefaultEngine {
+	en := engine.NewEngine(cfg, rs)
+	en = en.WithPersister(pr)
+	return en
+}

internal/http/storage.go

@@ -0,0 +1,43 @@
+package http
+
+import (
+	"git.defalsify.org/vise.git/db"
+	"git.defalsify.org/vise.git/persist"
+)
+
+type Storage struct {
+	Persister *persist.Persister
+	UserdataDb db.Db	
+}
+
+type StorageProvider interface {
+	Get(sessionId string) (Storage, error)
+	Put(sessionId string, storage Storage) error
+	Close() error
+}
+
+type SimpleStorageProvider struct {
+	Storage
+}
+
+func NewSimpleStorageProvider(stateStore db.Db, userdataStore db.Db) StorageProvider {
+	pe := persist.NewPersister(stateStore)
+	return &SimpleStorageProvider{
+		Storage: Storage{
+			Persister: pe,
+			UserdataDb: userdataStore,
+		},
+	}
+}
+
+func (p *SimpleStorageProvider) Get(sessionId string) (Storage, error) {
+	return p.Storage, nil
+}
+
+func (p *SimpleStorageProvider) Put(sessionId string, storage Storage) error {
+	return nil
+}
+
+func (p *SimpleStorageProvider) Close() error {
+	return nil
+}

internal/utils/account_utils.go

@@ -1,77 +0,0 @@
-package utils
-
-import (
-	"context"
-	"encoding/json"
-
-	"git.defalsify.org/vise.git/db"
-)
-
-type AccountFileHandler struct {
-	//FilePath string
-	store db.Db
-}
-
-// func NewAccountFileHandler(path string) *AccountFileHandler {
-// 	return &AccountFileHandler{FilePath: path}
-// }
-
-func NewAccountFileHandler(store db.Db) *AccountFileHandler {
-	return &AccountFileHandler{
-		store: store,
-	}
-}
-
-// func (afh *AccountFileHandler) ReadAccountData() (map[string]string, error) {
-// 	jsonData, err := os.ReadFile(afh.FilePath)
-// 	if err != nil {
-// 		return nil, err
-// 	}
-
-// 	var accountData map[string]string
-// 	err = json.Unmarshal(jsonData, &accountData)
-// 	if err != nil {
-// 		return nil, err
-// 	}
-
-// 	return accountData, nil
-// }
-
-func (afh *AccountFileHandler) ReadAccountData(ctx context.Context, sessionId string) (map[string]string, error) {
-	var accountData map[string]string
-	jsonData, err := ReadEntry(ctx, afh.store, sessionId, DATA_ACCOUNT)
-	err = json.Unmarshal(jsonData, &accountData)
-	if err != nil {
-		return nil, err
-	}
-	return accountData, nil
-}
-
-// func (afh *AccountFileHandler) WriteAccountData(accountData map[string]string) error {
-// 	jsonData, err := json.Marshal(accountData)
-// 	if err != nil {
-// 		return err
-// 	}
-
-// 	return os.WriteFile(afh.FilePath, jsonData, 0644)
-// }
-
-func (afh *AccountFileHandler) WriteAccountData(ctx context.Context, sessionId string, accountData map[string]string) error {
-	_, err := json.Marshal(accountData)
-	if err != nil {
-		return err
-	}
-
-	return nil
-}
-
-//	func (afh *AccountFileHandler) EnsureFileExists() error {
-//		f, err := os.OpenFile(afh.FilePath, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
-//		if err != nil {
-//			return err
-//		}
-//		return f.Close()
-//	}
-func (afh *AccountFileHandler) EnsureFileExists() error {
-	return nil
-}

internal/utils/db.go

@@ -16,6 +16,15 @@ const (
 	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
 )
 
 func typToBytes(typ DataTyp) []byte {
@@ -24,15 +33,16 @@ func typToBytes(typ DataTyp) []byte {
 	return b[:]
 }
 
-func packKey(typ DataTyp, data []byte) []byte {
+func PackKey(typ DataTyp, data []byte) []byte {
 	v := typToBytes(typ)
 	return append(v, data...)
 }
 
 func ReadEntry(ctx context.Context, store db.Db, sessionId string, typ DataTyp) ([]byte, error) {
+
 	store.SetPrefix(db.DATATYPE_USERDATA)
 	store.SetSession(sessionId)
-	k := packKey(typ, []byte(sessionId))
+	k := PackKey(typ, []byte(sessionId))
 	b, err := store.Get(ctx, k)
 	if err != nil {
 		return nil, err
@@ -43,6 +53,6 @@ func ReadEntry(ctx context.Context, store db.Db, sessionId string, typ DataTyp)
 func WriteEntry(ctx context.Context, store db.Db, sessionId string, typ DataTyp, value []byte) error {
 	store.SetPrefix(db.DATATYPE_USERDATA)
 	store.SetSession(sessionId)
-	k := packKey(typ, []byte(sessionId))
+	k := PackKey(typ, []byte(sessionId))
 	return store.Put(ctx, k, value)
 }

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)
+}