use the stored DATA_ACTIVE_POOL_ADDRESS or fall back to default config.DefaultPoolAddress() in loading the swapToList

- Resolves a "key not found error" on the swap max limit node
- Resolves double PIN requests when authorizing transactions #67

Reviewed-on: #78
Co-authored-by: alfred-mk <alfredmwaik@gmail.com>
Co-committed-by: alfred-mk <alfredmwaik@gmail.com>

.env.example

@@ -28,3 +28,4 @@ DEFAULT_POOL_SYMBOL=ROLA
 DEFAULT_POOL_CONTRACT_ADDRESS=0x48a953cA5cf5298bc6f6Af3C608351f537AAcb9e
 DEFAULT_LIMITER_ADDRESS=
 DEFAULT_VOUCHER_REGISTRY=
+INCLUDE_STABLES_PARAM=false

devtools/lang/main.go

@@ -15,7 +15,7 @@ import (
 
 const (
 	changeHeadSrc = `LOAD reset_account_authorized 0
-LOAD reset_incorrect 0
+LOAD reset_incorrect_pin 0
 CATCH incorrect_pin flag_incorrect_pin 1
 CATCH pin_entry flag_account_authorized 0
 `

go.mod

@@ -3,14 +3,14 @@ module git.grassecon.net/grassrootseconomics/sarafu-vise
 go 1.23.4
 
 require (
-	git.defalsify.org/vise.git v0.3.2-0.20250507172020-cb22240f1cb9
+	git.defalsify.org/vise.git v0.3.2-0.20250507135825-a170e8a79da0
 	git.grassecon.net/grassrootseconomics/common v0.9.0-beta.1.0.20250417111317-2953f4c2f32e
-	git.grassecon.net/grassrootseconomics/sarafu-api v0.9.0-beta.1.0.20250517114512-050998ff82b1
+	git.grassecon.net/grassrootseconomics/sarafu-api v0.9.0-beta.1.0.20250606194235-b5ccaea57560
 	git.grassecon.net/grassrootseconomics/visedriver v0.9.0-beta.2.0.20250408094335-e2d1f65bb306
 	git.grassecon.net/grassrootseconomics/visedriver-africastalking v0.0.0-20250129070628-5a539172c694
 	github.com/alecthomas/assert/v2 v2.2.2
 	github.com/gofrs/uuid v4.4.0+incompatible
-	github.com/grassrootseconomics/ussd-data-service v1.4.4-beta
+	github.com/grassrootseconomics/ussd-data-service v1.4.7-beta
 	github.com/jackc/pgx/v5 v5.7.1
 	github.com/peteole/testdata-loader v0.3.0
 	github.com/stretchr/testify v1.9.0

go.sum

@@ -1,5 +1,7 @@
 git.defalsify.org/vise.git v0.3.2-0.20250425131748-8b84f59792ce h1:Uke2jQ4wG97gQKnTzxPyBGyhosrU1IWnRNFHtKVrmrk=
 git.defalsify.org/vise.git v0.3.2-0.20250425131748-8b84f59792ce/go.mod h1:jyBMe1qTYUz3mmuoC9JQ/TvFeW0vTanCUcPu3H8p4Ck=
+git.defalsify.org/vise.git v0.3.2-0.20250507135825-a170e8a79da0 h1:ByRD+b39zVOjOzOf3I1z2L6MSiMZCZT8y0P8MMAAorY=
+git.defalsify.org/vise.git v0.3.2-0.20250507135825-a170e8a79da0/go.mod h1:flN+Gu+0BX0F6trZc5VpJcO4e6mj/+HUw0Z/UqVTFhk=
 git.defalsify.org/vise.git v0.3.2-0.20250507172020-cb22240f1cb9 h1:4kjbYw25MHZe9fqSbujPzpFXrYutFfVipvLrcWYnYks=
 git.defalsify.org/vise.git v0.3.2-0.20250507172020-cb22240f1cb9/go.mod h1:jyBMe1qTYUz3mmuoC9JQ/TvFeW0vTanCUcPu3H8p4Ck=
 git.grassecon.net/grassrootseconomics/common v0.9.0-beta.1.0.20250417111317-2953f4c2f32e h1:DcC9qkNl9ny3hxQmsMK6W81+5R/j4ZwYUbvewMI/rlc=
@@ -12,6 +14,18 @@ git.grassecon.net/grassrootseconomics/sarafu-api v0.9.0-beta.1.0.20250517113706-
 git.grassecon.net/grassrootseconomics/sarafu-api v0.9.0-beta.1.0.20250517113706-ee434dba6980/go.mod h1:K/TPgZ4OhPHBQq2X0ab3JZs4YjiexzSURZcfHLs9Pf4=
 git.grassecon.net/grassrootseconomics/sarafu-api v0.9.0-beta.1.0.20250517114512-050998ff82b1 h1:0hvILlGkZnXO8o7nZth4xu77vAS4zVQ6Ae0rb5x/Idg=
 git.grassecon.net/grassrootseconomics/sarafu-api v0.9.0-beta.1.0.20250517114512-050998ff82b1/go.mod h1:K/TPgZ4OhPHBQq2X0ab3JZs4YjiexzSURZcfHLs9Pf4=
+git.grassecon.net/grassrootseconomics/sarafu-api v0.9.0-beta.1.0.20250520125035-81fbc2574c30 h1:iZVmR/4xSoxahtkMBXs/z1HUSSnr+x1m+9AxXIgTvb0=
+git.grassecon.net/grassrootseconomics/sarafu-api v0.9.0-beta.1.0.20250520125035-81fbc2574c30/go.mod h1:R7+mt27mhm4/LCutAHHv87pOsLxXEPO93KXnhP8H6W0=
+git.grassecon.net/grassrootseconomics/sarafu-api v0.9.0-beta.1.0.20250521124206-343d30a2f27c h1:c2cA5hcYnLgs7kR4fF5tp42W6VQClTukbfKoaeskZu0=
+git.grassecon.net/grassrootseconomics/sarafu-api v0.9.0-beta.1.0.20250521124206-343d30a2f27c/go.mod h1:R7+mt27mhm4/LCutAHHv87pOsLxXEPO93KXnhP8H6W0=
+git.grassecon.net/grassrootseconomics/sarafu-api v0.9.0-beta.1.0.20250521141246-6c3719e3b652 h1:MmUQRL6Fjq/jlL53h+cUbJ7WwQ+q/yNy/zT05c7bgNg=
+git.grassecon.net/grassrootseconomics/sarafu-api v0.9.0-beta.1.0.20250521141246-6c3719e3b652/go.mod h1:wKHPy1mpOCr9ahkRltwm1yi9qH/3m9xb8hMCX5C0L1o=
+git.grassecon.net/grassrootseconomics/sarafu-api v0.9.0-beta.1.0.20250522123108-24224e553de5 h1:7gVnkpybzg5lC7C8Rl4dejTbmBVpu5xfMMfda+d498U=
+git.grassecon.net/grassrootseconomics/sarafu-api v0.9.0-beta.1.0.20250522123108-24224e553de5/go.mod h1:wKHPy1mpOCr9ahkRltwm1yi9qH/3m9xb8hMCX5C0L1o=
+git.grassecon.net/grassrootseconomics/sarafu-api v0.9.0-beta.1.0.20250605174108-bf830e92dea2 h1:8cxGb7lSoNGJxjauIRGskp//EqisuOOZPoPj4oDwswE=
+git.grassecon.net/grassrootseconomics/sarafu-api v0.9.0-beta.1.0.20250605174108-bf830e92dea2/go.mod h1:wKHPy1mpOCr9ahkRltwm1yi9qH/3m9xb8hMCX5C0L1o=
+git.grassecon.net/grassrootseconomics/sarafu-api v0.9.0-beta.1.0.20250606194235-b5ccaea57560 h1:14QVGEgLdl1LyVS/mJFDVRGXHsH5IgmloNPKfk26K6M=
+git.grassecon.net/grassrootseconomics/sarafu-api v0.9.0-beta.1.0.20250606194235-b5ccaea57560/go.mod h1:wKHPy1mpOCr9ahkRltwm1yi9qH/3m9xb8hMCX5C0L1o=
 git.grassecon.net/grassrootseconomics/visedriver v0.9.0-beta.2.0.20250408094335-e2d1f65bb306 h1:Jo+yWysWw/N5BJQtAyEMN8ePVvAyPHv+JG4lQti+1N4=
 git.grassecon.net/grassrootseconomics/visedriver v0.9.0-beta.2.0.20250408094335-e2d1f65bb306/go.mod h1:FdLwYtzsjOIcDiW4uDgDYnB4Wdzq12uJUe0QHSSPbSo=
 git.grassecon.net/grassrootseconomics/visedriver-africastalking v0.0.0-20250129070628-5a539172c694 h1:DjJlBSz0S13acft5XZDWk7ZYnzElym0xLMYEVgyNJ+E=
@@ -74,6 +88,8 @@ github.com/grassrootseconomics/ussd-data-service v1.4.0-beta h1:4fMd/3h2ZIhRg4Gd
 github.com/grassrootseconomics/ussd-data-service v1.4.0-beta/go.mod h1:9sGnorpKaK76FmOGXoh/xv7x5siSFNYdXxQo9BKW4DI=
 github.com/grassrootseconomics/ussd-data-service v1.4.4-beta h1:turlyo0i3OLj29mWpWNoB/3Qao8qEngT/5d1jDWTZE4=
 github.com/grassrootseconomics/ussd-data-service v1.4.4-beta/go.mod h1:9sGnorpKaK76FmOGXoh/xv7x5siSFNYdXxQo9BKW4DI=
+github.com/grassrootseconomics/ussd-data-service v1.4.7-beta h1:yAe1YaOBsdxW2m20jnVU4F0kLmFr+mK/gHCWEdHmE90=
+github.com/grassrootseconomics/ussd-data-service v1.4.7-beta/go.mod h1:9sGnorpKaK76FmOGXoh/xv7x5siSFNYdXxQo9BKW4DI=
 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=

handlers/application/menuhandler.go

@@ -630,21 +630,11 @@ func (h *MenuHandlers) incrementIncorrectPINAttempts(ctx context.Context, sessio
 // resetIncorrectPINAttempts resets the number of incorrect PIN attempts after a correct PIN entry
 func (h *MenuHandlers) resetIncorrectPINAttempts(ctx context.Context, sessionId string) error {
 	store := h.userdataStore
-	currentWrongPinAttempts, err := store.ReadEntry(ctx, sessionId, storedb.DATA_INCORRECT_PIN_ATTEMPTS)
+	err := store.WriteEntry(ctx, sessionId, storedb.DATA_INCORRECT_PIN_ATTEMPTS, []byte(string("0")))
 	if err != nil {
-		if db.IsNotFound(err) {
-			return nil
-		}
+		logg.ErrorCtxf(ctx, "failed to reset incorrect PIN attempts ", "key", storedb.DATA_INCORRECT_PIN_ATTEMPTS, "error", err)
 		return err
 	}
-	currentWrongPinAttemptsCount, _ := strconv.ParseUint(string(currentWrongPinAttempts), 0, 64)
-	if currentWrongPinAttemptsCount <= uint64(pin.AllowedPINAttempts) {
-		err = store.WriteEntry(ctx, sessionId, storedb.DATA_INCORRECT_PIN_ATTEMPTS, []byte(string("0")))
-		if err != nil {
-			logg.ErrorCtxf(ctx, "failed to reset incorrect PIN attempts ", "key", storedb.DATA_INCORRECT_PIN_ATTEMPTS, "value", pin.AllowedPINAttempts, "error", err)
-			return err
-		}
-	}
 	return nil
 }
 
@@ -1371,7 +1361,13 @@ func (h *MenuHandlers) Authorize(ctx context.Context, sym string, input []byte)
 	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")
-	flag_invalid_pin, _ := h.flagManager.GetFlag("flag_invalid_pin")
+
+	pinInput := string(input)
+
+	if !pin.IsValidPIN(pinInput) {
+		res.FlagReset = append(res.FlagReset, flag_account_authorized, flag_allow_update)
+		return res, nil
+	}
 
 	store := h.userdataStore
 	AccountPin, err := store.ReadEntry(ctx, sessionId, storedb.DATA_ACCOUNT_PIN)
@@ -1379,40 +1375,28 @@ func (h *MenuHandlers) Authorize(ctx context.Context, sym string, input []byte)
 		logg.ErrorCtxf(ctx, "failed to read AccountPin entry with", "key", storedb.DATA_ACCOUNT_PIN, "error", err)
 		return res, err
 	}
-	str := string(input)
-	_, err = strconv.Atoi(str)
-	if len(input) == 4 && err == nil {
-		if pin.VerifyPIN(string(AccountPin), string(input)) {
-			if h.st.MatchFlag(flag_account_authorized, false) {
-				res.FlagReset = append(res.FlagReset, flag_incorrect_pin)
-				res.FlagSet = append(res.FlagSet, flag_allow_update, flag_account_authorized)
-				err := h.resetIncorrectPINAttempts(ctx, sessionId)
-				if err != nil {
-					return res, err
-				}
-			} else {
-				res.FlagSet = append(res.FlagSet, flag_allow_update)
-				res.FlagReset = append(res.FlagReset, flag_account_authorized)
-				err := h.resetIncorrectPINAttempts(ctx, sessionId)
-				if err != nil {
-					return res, err
-				}
-			}
-		} else {
-			err = h.incrementIncorrectPINAttempts(ctx, sessionId)
-			if err != nil {
-				return res, err
-			}
-			res.FlagSet = append(res.FlagSet, flag_incorrect_pin)
-			res.FlagReset = append(res.FlagReset, flag_account_authorized)
-			return res, nil
+
+	// verify that the user provided the correct PIN
+	if pin.VerifyPIN(string(AccountPin), pinInput) {
+		// set the required flags for a valid PIN
+		res.FlagSet = append(res.FlagSet, flag_allow_update, flag_account_authorized)
+		res.FlagReset = append(res.FlagReset, flag_incorrect_pin)
+
+		err := h.resetIncorrectPINAttempts(ctx, sessionId)
+		if err != nil {
+			return res, err
 		}
 	} else {
-		if string(input) != "0" {
-			res.FlagSet = append(res.FlagSet, flag_invalid_pin)
+		// set the required flags for an incorrect PIN
+		res.FlagSet = append(res.FlagSet, flag_incorrect_pin)
+		res.FlagReset = append(res.FlagReset, flag_account_authorized, flag_allow_update)
+
+		err = h.incrementIncorrectPINAttempts(ctx, sessionId)
+		if err != nil {
+			return res, err
 		}
-		return res, nil
 	}
+
 	return res, nil
 }
 
@@ -2261,6 +2245,110 @@ func (h *MenuHandlers) GetVoucherDetails(ctx context.Context, sym string, input
 	return res, nil
 }
 
+// GetDefaultPool returns the current user's Pool. If none is set, it returns the default config pool.
+func (h *MenuHandlers) GetDefaultPool(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")
+	}
+
+	userStore := h.userdataStore
+	activePoolSym, err := userStore.ReadEntry(ctx, sessionId, storedb.DATA_ACTIVE_POOL_SYM)
+	if err != nil {
+		if db.IsNotFound(err) {
+			// set the default as the response
+			res.Content = config.DefaultPoolSymbol()
+			return res, nil
+		}
+
+		logg.ErrorCtxf(ctx, "failed to read the activePoolSym entry with", "key", storedb.DATA_ACTIVE_POOL_SYM, "error", err)
+		return res, err
+	}
+	
+	res.Content = string(activePoolSym) 
+
+	return res, nil
+}
+
+// ViewPool retrieves the pool details from the user store
+// and displays it to the user for them to select it.
+func (h *MenuHandlers) ViewPool(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")
+	}
+
+	code := codeFromCtx(ctx)
+	l := gotext.NewLocale(translationDir, code)
+	l.AddDomain("default")
+
+	flag_incorrect_pool, _ := h.flagManager.GetFlag("flag_incorrect_pool")
+
+	inputStr := string(input)
+
+	poolData, err := store.GetPoolData(ctx, h.userdataStore, sessionId, inputStr)
+	if err != nil {
+		return res, fmt.Errorf("failed to retrieve pool data: %v", err)
+	}
+
+	if poolData == nil {
+		flag_api_error, _ := h.flagManager.GetFlag("flag_api_call_error")
+
+		// no match found. Call the API using the inputStr as the symbol
+		poolResp, err := h.accountService.RetrievePoolDetails(ctx, inputStr)
+		if err != nil {
+			res.FlagSet = append(res.FlagSet, flag_api_error)
+			return res, nil
+		}
+
+		if len(poolResp.PoolSymbol) == 0 {
+			// If the API does not return the data, set the flag
+			res.FlagSet = append(res.FlagSet, flag_incorrect_pool)
+			return res, nil
+		}
+
+		poolData = poolResp
+	}
+
+	if err := store.StoreTemporaryPool(ctx, h.userdataStore, sessionId, poolData); err != nil {
+		logg.ErrorCtxf(ctx, "failed on StoreTemporaryPool", "error", err)
+		return res, err
+	}
+
+	res.FlagReset = append(res.FlagReset, flag_incorrect_pool)
+	res.Content = l.Get("Name: %s\nSymbol: %s", poolData.PoolName, poolData.PoolSymbol)
+
+	return res, nil
+}
+
+// SetPool retrieves the temp pool data and sets it as the active data.
+func (h *MenuHandlers) SetPool(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")
+	}
+
+	// Get temporary data
+	tempData, err := store.GetTemporaryPoolData(ctx, h.userdataStore, sessionId)
+	if err != nil {
+		logg.ErrorCtxf(ctx, "failed on GetTemporaryPoolData", "error", err)
+		return res, err
+	}
+
+	// Set as active and clear temporary data
+	if err := store.UpdatePoolData(ctx, h.userdataStore, sessionId, tempData); err != nil {
+		logg.ErrorCtxf(ctx, "failed on UpdatePoolData", "error", err)
+		return res, err
+	}
+
+	res.Content = tempData.PoolSymbol
+	return res, nil
+}
+
 // CheckTransactions retrieves the transactions from the API using the "PublicKey" and stores to prefixDb.
 func (h *MenuHandlers) CheckTransactions(ctx context.Context, sym string, input []byte) (resource.Result, error) {
 	var res resource.Result
@@ -2707,11 +2795,6 @@ func (h *MenuHandlers) LoadSwapToList(ctx context.Context, sym string, input []b
 	}
 
 	userStore := h.userdataStore
-	publicKey, err := userStore.ReadEntry(ctx, sessionId, storedb.DATA_PUBLIC_KEY)
-	if err != nil {
-		logg.ErrorCtxf(ctx, "failed to read publicKey entry with", "key", storedb.DATA_PUBLIC_KEY, "error", err)
-		return res, err
-	}
 
 	// get the active address and symbol
 	activeAddress, err := userStore.ReadEntry(ctx, sessionId, storedb.DATA_ACTIVE_ADDRESS)
@@ -2737,31 +2820,35 @@ func (h *MenuHandlers) LoadSwapToList(ctx context.Context, sym string, input []b
 		return res, nil
 	}
 
-	defaultPool := dataserviceapi.PoolDetails{
-		PoolName:            config.DefaultPoolName(),
-		PoolSymbol:          config.DefaultPoolSymbol(),
-		PoolContractAdrress: config.DefaultPoolAddress(),
-		LimiterAddress:      "",
-		VoucherRegistry:     "",
-	}
-
-	activePoolAddress := defaultPool.PoolContractAdrress
-
-	// set the active pool contract address
-	err = userStore.WriteEntry(ctx, sessionId, storedb.DATA_ACTIVE_POOL_ADDRESS, []byte(activePoolAddress))
+	// Get active pool address or fall back to default
+	var activePoolAddress []byte
+	activePoolAddress, err = userStore.ReadEntry(ctx, sessionId, storedb.DATA_ACTIVE_POOL_ADDRESS)
 	if err != nil {
-		logg.ErrorCtxf(ctx, "failed to write active PoolContractAdrress entry with", "key", storedb.DATA_ACTIVE_POOL_ADDRESS, "value", activePoolAddress, "error", err)
-		return res, err
+		if db.IsNotFound(err) {
+			defaultPoolAddress := config.DefaultPoolAddress()
+			// store the default as the active pool address
+			err = userStore.WriteEntry(ctx, sessionId, storedb.DATA_ACTIVE_POOL_ADDRESS, []byte(defaultPoolAddress))
+			if err != nil {
+				logg.ErrorCtxf(ctx, "failed to write default PoolContractAdrress", "key", storedb.DATA_ACTIVE_POOL_ADDRESS, "value", defaultPoolAddress, "error", err)
+				return res, err
+			}
+			activePoolAddress = []byte(defaultPoolAddress)
+		} else {
+			logg.ErrorCtxf(ctx, "failed to read active PoolContractAdrress", "key", storedb.DATA_ACTIVE_POOL_ADDRESS, "error", err)
+			return res, err
+		}
 	}
 
 	// call the api using the ActivePoolAddress and ActiveVoucherAddress to check if it is part of the pool
-	r, err := h.accountService.CheckTokenInPool(ctx, activePoolAddress, string(activeAddress))
+	r, err := h.accountService.CheckTokenInPool(ctx, string(activePoolAddress), string(activeAddress))
 	if err != nil {
 		res.FlagSet = append(res.FlagSet, flag_api_error)
 		logg.ErrorCtxf(ctx, "failed on CheckTokenInPool", "error", err)
 		return res, err
 	}
 
+	logg.InfoCtxf(ctx, "CheckTokenInPool", "response", r, "active_pool_address", activePoolAddress, "address", activeAddress)
+
 	if !r.CanSwapFrom {
 		res.FlagSet = append(res.FlagSet, flag_incorrect_voucher)
 		res.Content = l.Get(
@@ -2774,8 +2861,8 @@ func (h *MenuHandlers) LoadSwapToList(ctx context.Context, sym string, input []b
 
 	res.FlagReset = append(res.FlagReset, flag_incorrect_voucher)
 
-	// call the api using the activePoolAddress and publicKey to get a list of SwapToSymbolsData
-	swapToList, err := h.accountService.GetPoolSwappableVouchers(ctx, string(activePoolAddress), string(publicKey))
+	// call the api using the activePoolAddress to get a list of SwapToSymbolsData
+	swapToList, err := h.accountService.GetPoolSwappableVouchers(ctx, string(activePoolAddress))
 	if err != nil {
 		res.FlagSet = append(res.FlagSet, flag_api_error)
 		logg.ErrorCtxf(ctx, "failed on FetchTransactions", "error", err)
@@ -2787,9 +2874,9 @@ func (h *MenuHandlers) LoadSwapToList(ctx context.Context, sym string, input []b
 		return res, nil
 	}
 
-	data := store.ProcessVouchers(swapToList)
+	data := store.ProcessTokens(swapToList)
 
-	// Store all to list voucher data
+	// Store all swap_to tokens data
 	dataMap := map[storedb.DataTyp]string{
 		storedb.DATA_POOL_TO_SYMBOLS:   data.Symbols,
 		storedb.DATA_POOL_TO_BALANCES:  data.Balances,
@@ -2822,8 +2909,7 @@ func (h *MenuHandlers) SwapMaxLimit(ctx context.Context, sym string, input []byt
 	flag_api_error, _ := h.flagManager.GetFlag("flag_api_error")
 	flag_low_swap_amount, _ := h.flagManager.GetFlag("flag_low_swap_amount")
 
-	res.FlagReset = append(res.FlagReset, flag_incorrect_voucher)
-	res.FlagReset = append(res.FlagSet, flag_low_swap_amount)
+	res.FlagReset = append(res.FlagReset, flag_incorrect_voucher, flag_low_swap_amount)
 
 	inputStr := string(input)
 	if inputStr == "0" {
@@ -2944,6 +3030,12 @@ func (h *MenuHandlers) SwapPreview(ctx context.Context, sym string, input []byte
 		logg.ErrorCtxf(ctx, "failed to write swap amount entry with", "key", storedb.DATA_ACTIVE_SWAP_AMOUNT, "value", finalAmountStr, "error", err)
 		return res, err
 	}
+	// store the user's input amount in the temporary value
+	err = userStore.WriteEntry(ctx, sessionId, storedb.DATA_TEMPORARY_VALUE, []byte(inputStr))
+	if err != nil {
+		logg.ErrorCtxf(ctx, "failed to write swap amount entry with", "key", storedb.DATA_ACTIVE_SWAP_AMOUNT, "value", finalAmountStr, "error", err)
+		return res, err
+	}
 
 	// call the API to get the quote
 	r, err := h.accountService.GetPoolSwapQuote(ctx, finalAmountStr, swapData.PublicKey, swapData.ActiveSwapFromAddress, swapData.ActivePoolAddress, swapData.ActiveSwapToAddress)
@@ -3019,7 +3111,7 @@ func (h *MenuHandlers) InitiateSwap(ctx context.Context, sym string, input []byt
 
 	res.Content = l.Get(
 		"Your request has been sent. You will receive an SMS when your %s %s has been swapped for %s.",
-		swapAmountStr,
+		swapData.TemporaryValue,
 		swapData.ActiveSwapFromSym,
 		swapData.ActiveSwapToSym,
 	)

handlers/application/menuhandler_test.go

@@ -1116,7 +1116,6 @@ func TestAuthorize(t *testing.T) {
 	flag_incorrect_pin, _ := fm.GetFlag("flag_incorrect_pin")
 	flag_account_authorized, _ := fm.GetFlag("flag_account_authorized")
 	flag_allow_update, _ := fm.GetFlag("flag_allow_update")
-	flag_invalid_pin, _ := fm.GetFlag("flag_invalid_pin")
 
 	// Set 1234 is the correct account pin
 	accountPIN := "1234"
@@ -1134,7 +1133,7 @@ func TestAuthorize(t *testing.T) {
 		expectedResult resource.Result
 	}{
 		{
-			name:  "Test with correct pin",
+			name:  "Test with correct PIN",
 			input: []byte("1234"),
 			expectedResult: resource.Result{
 				FlagReset: []uint32{flag_incorrect_pin},
@@ -1142,18 +1141,18 @@ func TestAuthorize(t *testing.T) {
 			},
 		},
 		{
-			name:  "Test with incorrect pin",
+			name:  "Test with incorrect PIN",
 			input: []byte("1235"),
 			expectedResult: resource.Result{
-				FlagReset: []uint32{flag_account_authorized},
+				FlagReset: []uint32{flag_account_authorized, flag_allow_update},
 				FlagSet:   []uint32{flag_incorrect_pin},
 			},
 		},
 		{
-			name:  "Test with pin that is not a 4 digit",
+			name:  "Test with PIN that is not a 4 digit",
 			input: []byte("1235aqds"),
 			expectedResult: resource.Result{
-				FlagSet: []uint32{flag_invalid_pin},
+				FlagReset: []uint32{flag_account_authorized, flag_allow_update},
 			},
 		},
 	}

handlers/local.go

@@ -91,7 +91,7 @@ func (ls *LocalHandlerService) GetHandler(accountService remote.AccountService)
 	ls.DbRs.AddLocalFunc("get_recipient", appHandlers.GetRecipient)
 	ls.DbRs.AddLocalFunc("get_sender", appHandlers.GetSender)
 	ls.DbRs.AddLocalFunc("get_amount", appHandlers.GetAmount)
-	ls.DbRs.AddLocalFunc("reset_incorrect", appHandlers.ResetIncorrectPin)
+	ls.DbRs.AddLocalFunc("reset_incorrect_pin", appHandlers.ResetIncorrectPin)
 	ls.DbRs.AddLocalFunc("save_firstname", appHandlers.SaveFirstname)
 	ls.DbRs.AddLocalFunc("save_familyname", appHandlers.SaveFamilyname)
 	ls.DbRs.AddLocalFunc("save_gender", appHandlers.SaveGender)
@@ -112,6 +112,10 @@ func (ls *LocalHandlerService) GetHandler(accountService remote.AccountService)
 	ls.DbRs.AddLocalFunc("view_voucher", appHandlers.ViewVoucher)
 	ls.DbRs.AddLocalFunc("set_voucher", appHandlers.SetVoucher)
 	ls.DbRs.AddLocalFunc("get_voucher_details", appHandlers.GetVoucherDetails)
+	ls.DbRs.AddLocalFunc("get_default_pool", appHandlers.GetDefaultPool)
+	ls.DbRs.AddLocalFunc("get_pools", appHandlers.GetPools)
+	ls.DbRs.AddLocalFunc("view_pool", appHandlers.ViewPool)
+	ls.DbRs.AddLocalFunc("set_pool", appHandlers.SetPool)
 	ls.DbRs.AddLocalFunc("validate_blocked_number", appHandlers.ValidateBlockedNumber)
 	ls.DbRs.AddLocalFunc("retrieve_blocked_number", appHandlers.RetrieveBlockedNumber)
 	ls.DbRs.AddLocalFunc("reset_unregistered_number", appHandlers.ResetUnregisteredNumber)
@@ -130,7 +134,7 @@ func (ls *LocalHandlerService) GetHandler(accountService remote.AccountService)
 	ls.DbRs.AddLocalFunc("confirm_new_alias", appHandlers.ConfirmNewAlias)
 	ls.DbRs.AddLocalFunc("check_account_created", appHandlers.CheckAccountCreated)
 	ls.DbRs.AddLocalFunc("reset_api_call_failure", appHandlers.ResetApiCallFailure)
-    ls.DbRs.AddLocalFunc("swap_to_list", appHandlers.LoadSwapToList)
+	ls.DbRs.AddLocalFunc("swap_to_list", appHandlers.LoadSwapToList)
 	ls.DbRs.AddLocalFunc("swap_max_limit", appHandlers.SwapMaxLimit)
 	ls.DbRs.AddLocalFunc("swap_preview", appHandlers.SwapPreview)
 	ls.DbRs.AddLocalFunc("initiate_swap", appHandlers.InitiateSwap)

services/registration/api_failure

@@ -1 +1 @@
-Failed to connect to the custodial service. Please try again.
+Your request failed. Please try again later.

services/registration/api_failure_swa

@@ -1 +1 @@
-Imeshindwa kuunganisha kwenye huduma ya uangalizi. Tafadhali jaribu tena.
+Ombi lako halikufaulu. Tafadhali jaribu tena baadaye.

services/registration/change_language.vis

@@ -1,5 +1,5 @@
 LOAD reset_account_authorized 0
-LOAD reset_incorrect 0
+LOAD reset_incorrect_pin 0
 CATCH incorrect_pin flag_incorrect_pin 1
 CATCH pin_entry flag_account_authorized 0
 MOUT english 1

services/registration/community_balance.vis

@@ -1,4 +1,4 @@
-LOAD reset_incorrect 6
+LOAD reset_incorrect_pin 6
 LOAD fetch_community_balance 0
 CATCH api_failure flag_api_call_error 1
 MAP fetch_community_balance

services/registration/incorrect_pin

@@ -1 +1 @@
-Incorrect PIN. You have: {{.reset_incorrect}} remaining attempt(s).
+Incorrect PIN. You have: {{.reset_incorrect_pin}} remaining attempt(s).

services/registration/incorrect_pin.vis

@@ -1,6 +1,6 @@
-LOAD reset_incorrect 0
-RELOAD reset_incorrect
-MAP reset_incorrect
+LOAD reset_incorrect_pin 0
+RELOAD reset_incorrect_pin
+MAP reset_incorrect_pin
 CATCH blocked_account flag_account_blocked 1
 MOUT retry 1
 MOUT quit 9

services/registration/incorrect_pin_swa

@@ -1 +1 @@
-PIN ulioeka sio sahihi, una majaribio: {{.reset_incorrect}} yaliyobaki
+PIN ulioeka sio sahihi, una majaribio: {{.reset_incorrect_pin}} yaliyobaki

services/registration/locale/swa/default.po

@@ -38,4 +38,7 @@ msgid "%s balance: %s\n"
 msgstr "%s salio: %s\n"
 
 msgid "%s is not in %s. Please update your voucher and try again."
-msgstr "%s haipo kwenye %s. Tafadhali badilisha sarafu yako na ujaribu tena."
+msgstr "%s haipo kwenye %s. Tafadhali badilisha sarafu yako na ujaribu tena."
+
+msgid "Name: %s\nSymbol: %s"
+msgstr "Jina: %s\nSarafu: %s"

services/registration/main.vis

@@ -2,10 +2,9 @@ LOAD clear_temporary_value 2
 RELOAD clear_temporary_value
 LOAD manage_vouchers 160
 RELOAD manage_vouchers
-CATCH  api_failure flag_api_call_error 1
+CATCH api_failure flag_api_call_error 1
 LOAD check_balance 128
 RELOAD check_balance
-CATCH api_failure flag_api_call_error 1
 MAP check_balance
 MOUT send 1
 MOUT swap 2

services/registration/my_balance.vis

@@ -1,4 +1,4 @@
-LOAD reset_incorrect 6
+LOAD reset_incorrect_pin 6
 LOAD check_balance 0
 CATCH api_failure flag_api_call_error 1
 MAP check_balance

services/registration/my_vouchers.vis

@@ -2,8 +2,11 @@ LOAD reset_account_authorized 16
 RELOAD reset_account_authorized
 MOUT select_voucher 1
 MOUT voucher_details 2
+MOUT select_pool 3
 MOUT back 0
 HALT
 INCMP _ 0
 INCMP select_voucher 1
 INCMP voucher_details 2
+INCMP select_pool 3
+INCMP . *

services/registration/old_pin.vis

@@ -1,4 +1,4 @@
-RELOAD reset_incorrect
+RELOAD reset_incorrect_pin
 MOUT back 0
 HALT
 INCMP _ 0

services/registration/pin_management.vis

@@ -2,7 +2,7 @@ LOAD set_back 6
 LOAD authorize_account 16
 LOAD reset_allow_update 4
 LOAD save_temporary_pin 1
-LOAD reset_incorrect 0
+LOAD reset_incorrect_pin 0
 LOAD reset_invalid_pin 6
 MOUT change_pin 1
 MOUT reset_pin 2

services/registration/pool_set

@@ -0,0 +1 @@
+Success! {{.set_pool}} is now your active pool.

services/registration/pool_set.vis

@@ -0,0 +1,10 @@
+LOAD reset_incorrect_pin 6
+CATCH _ flag_account_authorized 0
+LOAD set_pool 20
+MAP set_pool
+MOUT back 0
+MOUT quit 9
+HALT
+INCMP ^ 0
+INCMP quit 9
+INCMP ^ *

services/registration/pool_set_swa

@@ -0,0 +1 @@
+Hongera! {{.set_pool}} ni bwawa la Sarafu linalotumika sasa.

services/registration/select_pool

@@ -0,0 +1,3 @@
+Enter number or symbol to set the default pool:
+Current: {{.get_default_pool}}
+{{.get_pools}}

services/registration/select_pool.vis

@@ -0,0 +1,20 @@
+CATCH no_voucher flag_no_active_voucher 1
+LOAD get_pools 0
+MAP get_pools
+LOAD get_default_pool 20
+RELOAD get_default_pool
+MAP get_default_pool
+MOUT back 0
+MOUT quit 99
+MNEXT next 88
+MPREV prev 98
+HALT
+INCMP > 88
+INCMP < 98
+INCMP _ 0
+INCMP quit 99
+LOAD view_pool 80
+RELOAD view_pool
+CATCH api_failure flag_api_call_error 1
+CATCH . flag_incorrect_pool 1
+INCMP view_pool *

services/registration/select_pool_menu

@@ -0,0 +1 @@
+Select pool

services/registration/select_pool_menu_swa

@@ -0,0 +1 @@
+Chagua Bwawa

services/registration/select_pool_swa

@@ -0,0 +1,3 @@
+Chagua nambari au ishara kuweka bwawa la sarafu:
+La sasa: {{.get_default_pool}}
+{{.get_pools}}

services/registration/swap_initiated.vis

@@ -1,3 +1,4 @@
-LOAD reset_incorrect 6
+LOAD reset_incorrect_pin 6
+CATCH _ flag_account_authorized 0
 LOAD initiate_swap 0
 HALT

services/registration/swap_limit.vis

@@ -1,4 +1,3 @@
-RELOAD swap_max_limit
 MAP swap_max_limit
 MOUT back 0
 HALT

services/registration/swap_preview.vis

@@ -1,12 +1,12 @@
 LOAD swap_preview 0
 MAP swap_preview
+CATCH api_failure flag_api_call_error 1
 MOUT back 0
 MOUT quit 9
 LOAD authorize_account 6
 HALT
 RELOAD authorize_account
 CATCH incorrect_pin flag_incorrect_pin 1
-CATCH . flag_account_authorized 0
 INCMP _ 0
 INCMP quit 9
 INCMP swap_initiated *

services/registration/swap_to_list.vis

@@ -1,3 +1,4 @@
+CATCH no_voucher flag_no_active_voucher 1
 LOAD swap_to_list 0
 RELOAD swap_to_list
 MAP swap_to_list
@@ -6,6 +7,7 @@ MOUT back 0
 HALT
 LOAD swap_max_limit 64
 RELOAD swap_max_limit
+CATCH api_failure flag_api_call_error 1
 CATCH . flag_incorrect_voucher 1
 CATCH low_swap_amount flag_low_swap_amount 1
 INCMP _ 0

services/registration/transaction_initiated.vis

@@ -1,5 +1,4 @@
-LOAD reset_incorrect 6
-CATCH incorrect_pin flag_incorrect_pin 1
+LOAD reset_incorrect_pin 6
 CATCH _ flag_account_authorized 0
 RELOAD get_amount
 MAP get_amount

services/registration/view_pool

@@ -0,0 +1,2 @@
+Enter PIN to confirm selection:
+{{.view_pool}}

services/registration/view_pool.vis

@@ -0,0 +1,10 @@
+MAP view_pool
+MOUT back 0
+MOUT quit 9
+LOAD authorize_account 6
+HALT
+RELOAD authorize_account
+CATCH incorrect_pin flag_incorrect_pin 1
+INCMP _ 0
+INCMP quit 9
+INCMP pool_set *

services/registration/view_pool_swa

@@ -0,0 +1,2 @@
+Weka PIN ili kuthibitisha chaguo:
+{{.view_pool}}

services/registration/view_profile.vis

@@ -1,6 +1,6 @@
 LOAD get_profile_info 0
 MAP get_profile_info 
-LOAD reset_incorrect 6
+LOAD reset_incorrect_pin 6
 CATCH incorrect_pin flag_incorrect_pin 1
 CATCH pin_entry flag_account_authorized 0
 MOUT back 0

services/registration/voucher_set.vis

@@ -1,5 +1,4 @@
-LOAD reset_incorrect 6
-CATCH incorrect_pin flag_incorrect_pin 1
+LOAD reset_incorrect_pin 6
 CATCH _ flag_account_authorized 0
 LOAD set_voucher 12
 MAP set_voucher

store/db/db.go

@@ -85,6 +85,10 @@ const (
 	DATA_ACTIVE_SWAP_MAX_AMOUNT
 	// Holds the active swap amount for the swap
 	DATA_ACTIVE_SWAP_AMOUNT
+	// Holds the active pool name for the swap
+	DATA_ACTIVE_POOL_NAME
+	// Holds the active pool symbol for the swap
+	DATA_ACTIVE_POOL_SYM
 )
 
 const (

store/pools.go

@@ -91,3 +91,52 @@ func MatchPool(input, names, symbols, addresses string) (name, symbol, address s
 	}
 	return
 }
+
+// StoreTemporaryPool saves pool metadata as temporary entries in the DataStore.
+func StoreTemporaryPool(ctx context.Context, store DataStore, sessionId string, data *dataserviceapi.PoolDetails) error {
+	tempData := fmt.Sprintf("%s,%s,%s", data.PoolName, data.PoolSymbol, data.PoolContractAdrress)
+
+	if err := store.WriteEntry(ctx, sessionId, storedb.DATA_TEMPORARY_VALUE, []byte(tempData)); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+// GetTemporaryPoolData retrieves temporary pool metadata from the DataStore.
+func GetTemporaryPoolData(ctx context.Context, store DataStore, sessionId string) (*dataserviceapi.PoolDetails, error) {
+	temp_data, err := store.ReadEntry(ctx, sessionId, storedb.DATA_TEMPORARY_VALUE)
+	if err != nil {
+		return nil, err
+	}
+
+	values := strings.SplitN(string(temp_data), ",", 3)
+
+	data := &dataserviceapi.PoolDetails{}
+
+	data.PoolName = values[0]
+	data.PoolSymbol = values[1]
+	data.PoolContractAdrress = values[2]
+
+	return data, nil
+}
+
+// UpdatePoolData updates the active pool data in the DataStore.
+func UpdatePoolData(ctx context.Context, store DataStore, sessionId string, data *dataserviceapi.PoolDetails) error {
+	logg.TraceCtxf(ctx, "dtal", "data", data)
+	// Active pool data entry
+	activeEntries := map[storedb.DataTyp][]byte{
+		storedb.DATA_ACTIVE_POOL_NAME:     []byte(data.PoolName),
+		storedb.DATA_ACTIVE_POOL_SYM:     []byte(data.PoolSymbol),
+		storedb.DATA_ACTIVE_POOL_ADDRESS: []byte(data.PoolContractAdrress),
+	}
+
+	// Write active data
+	for key, value := range activeEntries {
+		if err := store.WriteEntry(ctx, sessionId, key, value); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}

store/swap.go

@@ -5,6 +5,7 @@ import (
 	"errors"
 	"fmt"
 	"reflect"
+	"strconv"
 
 	storedb "git.grassecon.net/grassrootseconomics/sarafu-vise/store/db"
 	dataserviceapi "github.com/grassrootseconomics/ussd-data-service/pkg/api"
@@ -21,6 +22,7 @@ type SwapData struct {
 }
 
 type SwapPreviewData struct {
+	TemporaryValue        string
 	PublicKey             string
 	ActiveSwapMaxAmount   string
 	ActiveSwapFromDecimal string
@@ -64,6 +66,7 @@ func ReadSwapData(ctx context.Context, store DataStore, sessionId string) (SwapD
 func ReadSwapPreviewData(ctx context.Context, store DataStore, sessionId string) (SwapPreviewData, error) {
 	data := SwapPreviewData{}
 	fieldToKey := map[string]storedb.DataTyp{
+		"TemporaryValue":        storedb.DATA_TEMPORARY_VALUE,
 		"PublicKey":             storedb.DATA_PUBLIC_KEY,
 		"ActiveSwapMaxAmount":   storedb.DATA_ACTIVE_SWAP_MAX_AMOUNT,
 		"ActiveSwapFromDecimal": storedb.DATA_ACTIVE_DECIMAL,
@@ -129,8 +132,8 @@ func GetSwapFromVoucherData(ctx context.Context, store DataStore, sessionId stri
 	}, nil
 }
 
-// GetSwapToVoucherData retrieves and matches voucher data
-func GetSwapToVoucherData(ctx context.Context, store DataStore, sessionId string, input string) (*dataserviceapi.TokenHoldings, error) {
+// GetSwapToVoucherData retrieves and matches token data
+func GetSwapToVoucherData(ctx context.Context, store DataStore, sessionId string, input string) (*dataserviceapi.TokenDetails, error) {
 	keys := []storedb.DataTyp{
 		storedb.DATA_POOL_TO_SYMBOLS,
 		storedb.DATA_POOL_TO_BALANCES,
@@ -147,7 +150,7 @@ func GetSwapToVoucherData(ctx context.Context, store DataStore, sessionId string
 		data[key] = string(value)
 	}
 
-	symbol, balance, decimal, address := MatchVoucher(input,
+	symbol, _, decimal, address := MatchVoucher(input,
 		data[storedb.DATA_POOL_TO_SYMBOLS],
 		data[storedb.DATA_POOL_TO_BALANCES],
 		data[storedb.DATA_POOL_TO_DECIMALS],
@@ -158,22 +161,31 @@ func GetSwapToVoucherData(ctx context.Context, store DataStore, sessionId string
 		return nil, nil
 	}
 
-	return &dataserviceapi.TokenHoldings{
-		TokenSymbol:     string(symbol),
-		Balance:         string(balance),
-		TokenDecimals:   string(decimal),
-		ContractAddress: string(address),
+	decimalInt, err := strconv.ParseUint(decimal, 0, 64)
+	if err != nil {
+		logg.ErrorCtxf(ctx, "Failed to parse decimal to Uint:", "sessionId", sessionId, "decimal", decimal, "error", err)
+		return nil, nil
+	}
+
+	return &dataserviceapi.TokenDetails{
+		TokenSymbol:   string(symbol),
+		TokenDecimals: uint8(decimalInt),
+		TokenAddress:  string(address),
 	}, nil
 }
 
 // UpdateSwapToVoucherData updates the active swap to voucher data in the DataStore.
-func UpdateSwapToVoucherData(ctx context.Context, store DataStore, sessionId string, data *dataserviceapi.TokenHoldings) error {
-	logg.TraceCtxf(ctx, "dtal", "data", data)
+func UpdateSwapToVoucherData(ctx context.Context, store DataStore, sessionId string, data *dataserviceapi.TokenDetails) error {
+	logg.TraceCtxf(ctx, "UpdateSwapToVoucherData", "data", data)
+
+	// Convert TokenDecimals (uint8) to string
+	tokenDecimalsStr := strconv.FormatUint(uint64(data.TokenDecimals), 10)
+
 	// Active swap to voucher data entries
 	activeEntries := map[storedb.DataTyp][]byte{
 		storedb.DATA_ACTIVE_SWAP_TO_SYM:     []byte(data.TokenSymbol),
-		storedb.DATA_ACTIVE_SWAP_TO_DECIMAL: []byte(data.TokenDecimals),
-		storedb.DATA_ACTIVE_SWAP_TO_ADDRESS: []byte(data.ContractAddress),
+		storedb.DATA_ACTIVE_SWAP_TO_DECIMAL: []byte(tokenDecimalsStr),
+		storedb.DATA_ACTIVE_SWAP_TO_ADDRESS: []byte(data.TokenAddress),
 	}
 
 	// Write active data

store/vouchers.go

@@ -47,6 +47,24 @@ func ProcessVouchers(holdings []dataserviceapi.TokenHoldings) VoucherMetadata {
 	return data
 }
 
+// ProcessTokens converts swappable tokens into formatted strings
+func ProcessTokens(holdings []dataserviceapi.TokenDetails) VoucherMetadata {
+	var data VoucherMetadata
+	var symbols, decimals, addresses []string
+
+	for i, h := range holdings {
+		symbols = append(symbols, fmt.Sprintf("%d:%s", i+1, h.TokenSymbol))
+		decimals = append(decimals, fmt.Sprintf("%d:%d", i+1, h.TokenDecimals))
+		addresses = append(addresses, fmt.Sprintf("%d:%s", i+1, h.TokenAddress))
+	}
+
+	data.Symbols = strings.Join(symbols, "\n")
+	data.Decimals = strings.Join(decimals, "\n")
+	data.Addresses = strings.Join(addresses, "\n")
+
+	return data
+}
+
 func ScaleDownBalance(balance, decimals string) string {
 	// Convert balance and decimals to big.Float
 	bal := new(big.Float)