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No commits in common. "3949959aa36e9153a98019f4ce4d816e93989a6f" and "f7de79f51aec0e2d3d792b44aed437f35b3e118c" have entirely different histories.

15 changed files with 17 additions and 499 deletions

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@ -3,13 +3,11 @@ package application
import (
"context"
"fmt"
"strconv"
"git.defalsify.org/vise.git/db"
"git.defalsify.org/vise.git/resource"
"git.grassecon.net/grassrootseconomics/sarafu-vise/store"
storedb "git.grassecon.net/grassrootseconomics/sarafu-vise/store/db"
dataserviceapi "github.com/grassrootseconomics/ussd-data-service/pkg/api"
"gopkg.in/leonelquinteros/gotext.v1"
)
@ -54,25 +52,7 @@ func (h *MenuHandlers) CheckBalance(ctx context.Context, sym string, input []byt
return res, err
}
}
// get current credit
currentCredit, err := store.ReadEntry(ctx, sessionId, storedb.DATA_CURRENT_CREDIT)
if err != nil {
if !db.IsNotFound(err) {
logg.ErrorCtxf(ctx, "failed to read currentCredit entry with", "key", storedb.DATA_CURRENT_CREDIT, "error", err)
return res, err
}
}
// get current debt
currentDebt, err := store.ReadEntry(ctx, sessionId, storedb.DATA_CURRENT_DEBT)
if err != nil {
if !db.IsNotFound(err) {
logg.ErrorCtxf(ctx, "failed to read currentDebt entry with", "key", storedb.DATA_CURRENT_DEBT, "error", err)
return res, err
}
}
content, err = loadUserContent(ctx, string(activeSym), string(activeBal), string(accAlias), string(currentCredit), string(currentDebt))
content, err = loadUserContent(ctx, string(activeSym), string(activeBal), string(accAlias))
if err != nil {
return res, err
}
@ -82,7 +62,7 @@ func (h *MenuHandlers) CheckBalance(ctx context.Context, sym string, input []byt
}
// loadUserContent loads the main user content in the main menu: the alias, balance and active symbol associated with active voucher
func loadUserContent(ctx context.Context, activeSym, balance, alias, currectCredit, currentDebt string) (string, error) {
func loadUserContent(ctx context.Context, activeSym string, balance string, alias string) (string, error) {
var content string
code := codeFromCtx(ctx)
@ -95,25 +75,12 @@ func loadUserContent(ctx context.Context, activeSym, balance, alias, currectCred
formattedAmount = "0.00"
}
formattedCredit, err := store.TruncateDecimalString(currectCredit, 0)
if err != nil {
formattedCredit = "0"
}
formattedDebt, err := store.TruncateDecimalString(currentDebt, 0)
if err != nil {
formattedDebt = "0"
}
// format the final outputs
// format the final output
balStr := fmt.Sprintf("%s %s", formattedAmount, activeSym)
creditStr := fmt.Sprintf("Credit: %s ksh", formattedCredit)
debtStr := fmt.Sprintf("Debt: %s ksh", formattedDebt)
if alias != "" {
content = l.Get("%s\nBalance: %s\n%s\n%s", alias, balStr, creditStr, debtStr)
content = l.Get("%s\nBalance: %s\n", alias, balStr)
} else {
content = l.Get("Balance: %s\n%s\n%s", balStr, creditStr, debtStr)
content = l.Get("Balance: %s\n", balStr)
}
return content, nil
}
@ -131,131 +98,3 @@ func (h *MenuHandlers) FetchCommunityBalance(ctx context.Context, sym string, in
res.Content = l.Get("Community Balance: 0.00")
return res, nil
}
// CalculateCreditAndDebt calls the API to get the credit and debt
// uses the pretium rates to convert the value to Ksh
func (h *MenuHandlers) CalculateCreditAndDebt(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
code := codeFromCtx(ctx)
l := gotext.NewLocale(translationDir, code)
l.AddDomain("default")
flag_api_call_error, _ := h.flagManager.GetFlag("flag_api_call_error")
// Fetch session data
_, _, activeSym, _, publicKey, _, err := h.getSessionData(ctx, sessionId)
if err != nil {
return res, err
}
// Get active pool address and symbol or fall back to default
activePoolAddress, _, err := h.resolveActivePoolDetails(ctx, sessionId)
if err != nil {
return res, err
}
// call the api using the activePoolAddress to get a list of SwapToSymbolsData
swappableVouchers, err := h.accountService.GetPoolSwappableFromVouchers(ctx, string(activePoolAddress), string(publicKey))
if err != nil {
res.FlagSet = append(res.FlagSet, flag_api_call_error)
logg.ErrorCtxf(ctx, "failed on GetPoolSwappableFromVouchers", "error", err)
return res, err
}
logg.InfoCtxf(ctx, "GetPoolSwappableFromVouchers", "swappable vouchers", swappableVouchers)
// Return if there are no vouchers
if len(swappableVouchers) == 0 {
return res, nil
}
// Filter out the active voucher from swappableVouchers
filteredSwappableVouchers := make([]dataserviceapi.TokenHoldings, 0, len(swappableVouchers))
for _, s := range swappableVouchers {
if s.TokenSymbol != string(activeSym) {
filteredSwappableVouchers = append(filteredSwappableVouchers, s)
}
}
// Store as filtered swap to list data (excluding the current active voucher) for future reference
data := store.ProcessVouchers(filteredSwappableVouchers)
logg.InfoCtxf(ctx, "ProcessVouchers", "data", data)
// Find the matching voucher data
activeSymStr := string(activeSym)
var activeData *dataserviceapi.TokenHoldings
for _, voucher := range swappableVouchers {
if voucher.TokenSymbol == activeSymStr {
activeData = &voucher
break
}
}
if activeData == nil {
logg.InfoCtxf(ctx, "activeSym not found in vouchers, returning 0", "activeSym", activeSymStr)
return res, nil
}
// Scale down the active balance (credit)
// Max swappable value from pool using the active token
scaledCredit := store.ScaleDownBalance(activeData.Balance, activeData.TokenDecimals)
// Calculate total debt (sum of other vouchers)
scaledDebt := "0"
for _, voucher := range swappableVouchers {
// Skip the active token
if voucher.TokenSymbol == activeSymStr {
continue
}
scaled := store.ScaleDownBalance(voucher.Balance, voucher.TokenDecimals)
// Add scaled balances (decimal-safe)
scaledDebt = store.AddDecimalStrings(scaledDebt, scaled)
}
// call the mpesa rates API to get the rates
rates, err := h.accountService.GetMpesaOnrampRates(ctx)
if err != nil {
res.FlagSet = append(res.FlagSet, flag_api_call_error)
res.Content = l.Get("Your request failed. Please try again later.")
logg.ErrorCtxf(ctx, "failed on GetMpesaOnrampRates", "error", err)
return res, nil
}
creditFloat, _ := strconv.ParseFloat(scaledCredit, 64)
creditksh := fmt.Sprintf("%f", creditFloat*rates.Buy)
kshFormattedCredit, _ := store.TruncateDecimalString(creditksh, 0)
debtFloat, _ := strconv.ParseFloat(scaledDebt, 64)
debtksh := fmt.Sprintf("%f", debtFloat*rates.Buy)
kshFormattedDebt, _ := store.TruncateDecimalString(debtksh, 0)
dataMap := map[storedb.DataTyp]string{
storedb.DATA_POOL_TO_SYMBOLS: data.Symbols,
storedb.DATA_POOL_TO_BALANCES: data.Balances,
storedb.DATA_POOL_TO_DECIMALS: data.Decimals,
storedb.DATA_POOL_TO_ADDRESSES: data.Addresses,
storedb.DATA_CURRENT_CREDIT: kshFormattedCredit,
storedb.DATA_CURRENT_DEBT: kshFormattedDebt,
}
// Write data entries
for key, value := range dataMap {
if err := userStore.WriteEntry(ctx, sessionId, key, []byte(value)); err != nil {
logg.ErrorCtxf(ctx, "Failed to write data entry for sessionId: %s", sessionId, "key", key, "error", err)
continue
}
}
return res, nil
}

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@ -1,262 +0,0 @@
package application
import (
"context"
"fmt"
"strconv"
"git.defalsify.org/vise.git/resource"
"git.grassecon.net/grassrootseconomics/sarafu-vise/store"
storedb "git.grassecon.net/grassrootseconomics/sarafu-vise/store/db"
"gopkg.in/leonelquinteros/gotext.v1"
)
// CalculateMaxPayDebt calculates the max debt removal
func (h *MenuHandlers) CalculateMaxPayDebt(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")
}
flag_api_call_error, _ := h.flagManager.GetFlag("flag_api_call_error")
flag_low_swap_amount, _ := h.flagManager.GetFlag("flag_low_swap_amount")
code := codeFromCtx(ctx)
l := gotext.NewLocale(translationDir, code)
l.AddDomain("default")
inputStr := string(input)
if inputStr == "0" || inputStr == "9" {
return res, nil
}
userStore := h.userdataStore
// Resolve active pool
_, activePoolName, err := h.resolveActivePoolDetails(ctx, sessionId)
if err != nil {
return res, err
}
metadata, err := store.GetSwapToVoucherData(ctx, userStore, sessionId, "1")
if err != nil {
return res, fmt.Errorf("failed to retrieve swap to voucher data: %v", err)
}
if metadata == nil {
res.FlagSet = append(res.FlagSet, flag_api_call_error)
return res, nil
}
logg.InfoCtxf(ctx, "Metadata from GetSwapToVoucherData:", "metadata", metadata)
// Store the active swap_to data
if err := store.UpdateSwapToVoucherData(ctx, userStore, sessionId, metadata); err != nil {
logg.ErrorCtxf(ctx, "failed on UpdateSwapToVoucherData", "error", err)
return res, err
}
swapData, err := store.ReadSwapData(ctx, userStore, sessionId)
if err != nil {
return res, err
}
// call the api using the ActivePoolAddress, ActiveSwapToAddress as the from (FT), ActiveSwapFromAddress as the to (AT) and PublicKey to get the swap max limit
r, err := h.accountService.GetSwapFromTokenMaxLimit(ctx, swapData.ActivePoolAddress, swapData.ActiveSwapToAddress, swapData.ActiveSwapFromAddress, swapData.PublicKey)
if err != nil {
res.FlagSet = append(res.FlagSet, flag_api_call_error)
logg.ErrorCtxf(ctx, "failed on GetSwapFromTokenMaxLimit", "error", err)
return res, nil
}
err = userStore.WriteEntry(ctx, sessionId, storedb.DATA_TEMPORARY_VALUE, []byte(r.Max))
if err != nil {
logg.ErrorCtxf(ctx, "failed to write full max amount entry with", "key", storedb.DATA_TEMPORARY_VALUE, "value", r.Max, "error", err)
return res, err
}
// Scale down the amount
maxAmountStr := store.ScaleDownBalance(r.Max, swapData.ActiveSwapToDecimal)
if err != nil {
return res, err
}
maxAmountFloat, err := strconv.ParseFloat(maxAmountStr, 64)
if err != nil {
logg.ErrorCtxf(ctx, "failed to parse maxAmountStr as float", "value", maxAmountStr, "error", err)
return res, err
}
// Format to 2 decimal places
maxStr, _ := store.TruncateDecimalString(string(maxAmountStr), 2)
if maxAmountFloat < 0.1 {
// return with low amount flag
res.Content = maxStr
res.FlagSet = append(res.FlagSet, flag_low_swap_amount)
return res, nil
}
err = userStore.WriteEntry(ctx, sessionId, storedb.DATA_ACTIVE_SWAP_MAX_AMOUNT, []byte(maxStr))
if err != nil {
logg.ErrorCtxf(ctx, "failed to write swap max amount entry with", "key", storedb.DATA_ACTIVE_SWAP_MAX_AMOUNT, "value", maxStr, "error", err)
return res, err
}
res.Content = l.Get(
"You can remove a maximum of %s %s from '%s'\n\nEnter amount of %s:",
maxStr,
swapData.ActiveSwapToSym,
string(activePoolName),
swapData.ActiveSwapToSym,
)
return res, nil
}
// ConfirmDebtRemoval displays the debt preview for a confirmation
func (h *MenuHandlers) ConfirmDebtRemoval(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")
}
inputStr := string(input)
if inputStr == "0" {
return res, nil
}
flag_invalid_amount, _ := h.flagManager.GetFlag("flag_invalid_amount")
code := codeFromCtx(ctx)
l := gotext.NewLocale(translationDir, code)
l.AddDomain("default")
userStore := h.userdataStore
swapData, err := store.ReadSwapPreviewData(ctx, userStore, sessionId)
if err != nil {
return res, err
}
maxValue, err := strconv.ParseFloat(swapData.ActiveSwapMaxAmount, 64)
if err != nil {
logg.ErrorCtxf(ctx, "Failed to convert the swapMaxAmount to a float", "error", err)
return res, err
}
inputAmount, err := strconv.ParseFloat(inputStr, 64)
if err != nil || inputAmount > maxValue {
res.FlagSet = append(res.FlagSet, flag_invalid_amount)
res.Content = inputStr
return res, nil
}
storedMax, _ := userStore.ReadEntry(ctx, sessionId, storedb.DATA_TEMPORARY_VALUE)
var finalAmountStr string
if inputStr == swapData.ActiveSwapMaxAmount {
finalAmountStr = string(storedMax)
} else {
finalAmountStr, err = store.ParseAndScaleAmount(inputStr, swapData.ActiveSwapToDecimal)
if err != nil {
return res, err
}
}
err = userStore.WriteEntry(ctx, sessionId, storedb.DATA_ACTIVE_SWAP_AMOUNT, []byte(finalAmountStr))
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
}
// 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 inputStr amount entry with", "key", storedb.DATA_TEMPORARY_VALUE, "value", inputStr, "error", err)
return res, err
}
// call the API to get the quote
r, err := h.accountService.GetPoolSwapQuote(ctx, finalAmountStr, swapData.PublicKey, swapData.ActiveSwapToAddress, swapData.ActivePoolAddress, swapData.ActiveSwapFromAddress)
if err != nil {
flag_api_call_error, _ := h.flagManager.GetFlag("flag_api_call_error")
res.FlagSet = append(res.FlagSet, flag_api_call_error)
res.Content = l.Get("Your request failed. Please try again later.")
logg.ErrorCtxf(ctx, "failed on poolSwap", "error", err)
return res, nil
}
// Scale down the quoted amount
quoteAmountStr := store.ScaleDownBalance(r.OutValue, swapData.ActiveSwapToDecimal)
// Format to 2 decimal places
qouteStr, _ := store.TruncateDecimalString(string(quoteAmountStr), 2)
res.Content = l.Get(
"Please confirm that you will use %s %s to remove your debt of %s %s\n",
inputStr, swapData.ActiveSwapToSym, qouteStr, swapData.ActiveSwapFromSym,
)
return res, nil
}
// InitiatePayDebt calls the poolSwap to swap the token for the active voucher.
func (h *MenuHandlers) InitiatePayDebt(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")
userStore := h.userdataStore
// Resolve active pool
_, activePoolName, err := h.resolveActivePoolDetails(ctx, sessionId)
if err != nil {
return res, err
}
swapData, err := store.ReadSwapPreviewData(ctx, userStore, sessionId)
if err != nil {
return res, err
}
swapAmount, err := userStore.ReadEntry(ctx, sessionId, storedb.DATA_ACTIVE_SWAP_AMOUNT)
if err != nil {
logg.ErrorCtxf(ctx, "failed to read swapAmount entry with", "key", storedb.DATA_ACTIVE_SWAP_AMOUNT, "error", err)
return res, err
}
swapAmountStr := string(swapAmount)
// Call the poolSwap API
r, err := h.accountService.PoolSwap(ctx, swapAmountStr, swapData.PublicKey, swapData.ActiveSwapToAddress, swapData.ActivePoolAddress, swapData.ActiveSwapFromAddress)
if err != nil {
flag_api_call_error, _ := h.flagManager.GetFlag("flag_api_call_error")
res.FlagSet = append(res.FlagSet, flag_api_call_error)
res.Content = l.Get("Your request failed. Please try again later.")
logg.ErrorCtxf(ctx, "failed on poolSwap", "error", err)
return res, nil
}
trackingId := r.TrackingId
logg.InfoCtxf(ctx, "poolSwap", "trackingId", trackingId)
res.Content = l.Get(
"Your request has been sent. You will receive an SMS when your debt of %s %s has been removed from %s.",
swapData.TemporaryValue,
swapData.ActiveSwapToSym,
activePoolName,
)
res.FlagReset = append(res.FlagReset, flag_account_authorized)
return res, nil
}

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@ -303,7 +303,7 @@ func (h *MenuHandlers) SwapPreview(ctx context.Context, sym string, input []byte
// 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 inputStr amount entry with", "key", storedb.DATA_TEMPORARY_VALUE, "value", inputStr, "error", err)
logg.ErrorCtxf(ctx, "failed to write swap amount entry with", "key", storedb.DATA_ACTIVE_SWAP_AMOUNT, "value", finalAmountStr, "error", err)
return res, err
}

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@ -81,7 +81,6 @@ func (ls *LocalHandlerService) GetHandler(accountService remote.AccountService)
ls.DbRs.AddLocalFunc("check_account_status", appHandlers.CheckAccountStatus)
ls.DbRs.AddLocalFunc("authorize_account", appHandlers.Authorize)
ls.DbRs.AddLocalFunc("quit", appHandlers.Quit)
ls.DbRs.AddLocalFunc("calc_credit_debt", appHandlers.CalculateCreditAndDebt)
ls.DbRs.AddLocalFunc("check_balance", appHandlers.CheckBalance)
ls.DbRs.AddLocalFunc("validate_recipient", appHandlers.ValidateRecipient)
ls.DbRs.AddLocalFunc("transaction_reset", appHandlers.TransactionReset)
@ -147,7 +146,7 @@ func (ls *LocalHandlerService) GetHandler(accountService remote.AccountService)
ls.DbRs.AddLocalFunc("send_mpesa_min_limit", appHandlers.SendMpesaMinLimit)
ls.DbRs.AddLocalFunc("send_mpesa_preview", appHandlers.SendMpesaPreview)
ls.DbRs.AddLocalFunc("initiate_send_mpesa", appHandlers.InitiateSendMpesa)
ls.DbRs.AddLocalFunc("calculate_max_pay_debt", appHandlers.CalculateMaxPayDebt)
ls.DbRs.AddLocalFunc("calculate_pay_debt", appHandlers.CalculatePayDebt)
ls.DbRs.AddLocalFunc("confirm_debt_removal", appHandlers.ConfirmDebtRemoval)
ls.DbRs.AddLocalFunc("initiate_pay_debt", appHandlers.InitiatePayDebt)

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@ -73,8 +73,8 @@ msgstr "Utapokea kidokezo cha PIN yako ya M-Pesa hivi karibuni kutuma %s ksh na
msgid "Your request has been sent. Thank you for using Sarafu"
msgstr "Ombi lako limetumwa. Asante kwa kutumia huduma ya Sarafu"
msgid "You can remove a maximum of %s %s from '%s' pool\n\nEnter amount of %s:"
msgstr "Unaweza kuondoa kiwango cha juu cha %s %s kutoka kwenye '%s'\n\nWeka kiwango cha %s:"
msgid "You can remove a maximum of %s %s from %s pool\n"
msgstr "Unaweza kuondoa kiwango cha juu cha %s %s kutoka kwenye bwawa la %s.\n"
msgid "Please confirm that you will use %s %s to remove your debt of %s %s\n"
msgstr "Tafadhali thibitisha kwamba utatumia %s %s kulipa deni lako la %s %s.\nWeka PIN yako:"

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@ -1 +0,0 @@
You have a low debt amount

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@ -1,5 +0,0 @@
MOUT back 0
MOUT quit 9
HALT
INCMP ^ 0
INCMP quit 9

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@ -1 +0,0 @@
Kiasi cha deni lako ni cha chini sana

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@ -3,10 +3,7 @@ RELOAD clear_temporary_value
LOAD manage_vouchers 160
RELOAD manage_vouchers
CATCH api_failure flag_api_call_error 1
LOAD calc_credit_debt 60
RELOAD calc_credit_debt
CATCH api_failure flag_api_call_error 1
LOAD check_balance 148
LOAD check_balance 128
RELOAD check_balance
MAP check_balance
MOUT send 1

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@ -1 +1,2 @@
{{.calculate_max_pay_debt}}
{{.calculate_pay_debt}}
Enter amount:

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@ -1,7 +1,6 @@
LOAD calculate_max_pay_debt 0
RELOAD calculate_max_pay_debt
MAP calculate_max_pay_debt
CATCH low_pay_debt_amount flag_low_swap_amount 1
LOAD calculate_pay_debt 0
RELOAD calculate_pay_debt
MAP calculate_pay_debt
MOUT back 0
HALT
INCMP _ 0

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@ -1 +1,2 @@
{{.calculate_max_pay_debt}}
{{.calculate_pay_debt}}
Weka kiwango:

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@ -93,10 +93,6 @@ const (
DATA_SEND_TRANSACTION_TYPE
// Holds the recipient formatted phone number
DATA_RECIPIENT_PHONE_NUMBER
// holds the current credit of the user
DATA_CURRENT_CREDIT
// holds the current debt of the user
DATA_CURRENT_DEBT
)
const (

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@ -18,7 +18,6 @@ type SwapData struct {
ActiveSwapFromAddress string
ActiveSwapToSym string
ActiveSwapToAddress string
ActiveSwapToDecimal string
}
type SwapPreviewData struct {
@ -44,7 +43,6 @@ func ReadSwapData(ctx context.Context, store DataStore, sessionId string) (SwapD
"ActiveSwapFromAddress": storedb.DATA_ACTIVE_ADDRESS,
"ActiveSwapToSym": storedb.DATA_ACTIVE_SWAP_TO_SYM,
"ActiveSwapToAddress": storedb.DATA_ACTIVE_SWAP_TO_ADDRESS,
"ActiveSwapToDecimal": storedb.DATA_ACTIVE_SWAP_TO_DECIMAL,
}
v := reflect.ValueOf(&data).Elem()

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@ -225,46 +225,3 @@ func FormatVoucherList(ctx context.Context, symbolsData, balancesData string) []
}
return combined
}
// AddDecimalStrings adds two decimal numbers represented as strings
// and returns the result as a string without losing precision.
func AddDecimalStrings(a, b string) string {
x, ok := new(big.Rat).SetString(a)
if !ok {
x = new(big.Rat)
}
y, ok := new(big.Rat).SetString(b)
if !ok {
y = new(big.Rat)
}
x.Add(x, y)
// Convert back to string without scientific notation
return x.FloatString(maxDecimalPlaces(x, y))
}
// maxDecimalPlaces ensures we preserve enough decimal precision
func maxDecimalPlaces(rats ...*big.Rat) int {
max := 0
for _, r := range rats {
if r == nil {
continue
}
if d := decimalPlaces(r); d > max {
max = d
}
}
return max
}
func decimalPlaces(r *big.Rat) int {
s := r.FloatString(18)
for i := len(s) - 1; i >= 0; i-- {
if s[i] == '.' {
return len(s) - i - 1
}
}
return 0
}