debt-menu #115

Open
Alfred-mk wants to merge 74 commits from debt-menu into master
65 changed files with 1288 additions and 101 deletions

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@ -34,6 +34,10 @@ INCLUDE_STABLES_PARAM=false
DEFAULT_MPESA_ADDRESS=0x48a953cA5cf5298bc6f6Af3C608351f537AAcb9e
MIN_MPESA_SEND_AMOUNT=100
MAX_MPESA_SEND_AMOUNT=250000
MIN_MPESA_WITHDRAW_AMOUNT=20
DEFAULT_MPESA_ASSET=cUSD
MPESA_BEARER_TOKEN=eyJeSIsInRcCI6IkpXVCJ.yJwdWJsaWNLZXkiOiIwrrrrrr
MPESA_ONRAMP_BASE=https://pretium.v1.grassecon.net
# Known stable voucher addresses (USDT, USDm)
STABLE_VOUCHER_ADDRESSES=0x48065fbBE25f71C9282ddf5e1cD6D6A887483D5e,0x765DE816845861e75A25fCA122bb6898B8B1282a

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@ -102,6 +102,16 @@ func MinMpesaSendAmount() float64 {
return f
}
func MinMpesaWithdrawAmount() float64 {
v := env.GetEnv("MIN_MPESA_WITHDRAW_AMOUNT", "20")
f, err := strconv.ParseFloat(v, 64)
if err != nil {
return 20 // fallback
}
return f
}
func MaxMpesaSendAmount() float64 {
v := env.GetEnv("MAX_MPESA_SEND_AMOUNT", "250000")
f, err := strconv.ParseFloat(v, 64)
@ -114,3 +124,22 @@ func MaxMpesaSendAmount() float64 {
func DefaultMpesaAsset() string {
return env.GetEnv("DEFAULT_MPESA_ASSET", "")
}
func StableVoucherAddresses() []string {
var parsed []string
raw := env.GetEnv("STABLE_VOUCHER_ADDRESSES", "")
if raw == "" {
return parsed
}
list := strings.Split(raw, ",")
for _, addr := range list {
clean := strings.ToLower(strings.TrimSpace(addr))
if clean != "" {
parsed = append(parsed, clean)
}
}
return parsed
}

2
go.mod
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@ -7,7 +7,7 @@ toolchain go1.24.10
require (
git.defalsify.org/vise.git v0.3.2-0.20250528124150-03bf7bfc1b66
git.grassecon.net/grassrootseconomics/common v0.9.0-beta.1.0.20251127132814-8ceadabbc215
git.grassecon.net/grassrootseconomics/sarafu-api v0.9.0-beta.1.0.20251202085112-45469d4ba326
git.grassecon.net/grassrootseconomics/sarafu-api v0.9.0-beta.1.0.20260207150752-71aa5ce7b537
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

2
go.sum
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@ -6,6 +6,8 @@ git.grassecon.net/grassrootseconomics/sarafu-api v0.9.0-beta.1.0.20251128071248-
git.grassecon.net/grassrootseconomics/sarafu-api v0.9.0-beta.1.0.20251128071248-bfdeef125576/go.mod h1:h/y/lJNJAVTcIzAxCMXXw8Dh2aoLxBFZ6F1nTB8C0nU=
git.grassecon.net/grassrootseconomics/sarafu-api v0.9.0-beta.1.0.20251202085112-45469d4ba326 h1:qH4QulgncvAD7b/YeHGPxcDJTBIychPeoZJACefYryI=
git.grassecon.net/grassrootseconomics/sarafu-api v0.9.0-beta.1.0.20251202085112-45469d4ba326/go.mod h1:h/y/lJNJAVTcIzAxCMXXw8Dh2aoLxBFZ6F1nTB8C0nU=
git.grassecon.net/grassrootseconomics/sarafu-api v0.9.0-beta.1.0.20260207150752-71aa5ce7b537 h1:2AoOHiRTN3SXX4qnc2wOaF2ktVXLlFAa3X/n9DLu8/s=
git.grassecon.net/grassrootseconomics/sarafu-api v0.9.0-beta.1.0.20260207150752-71aa5ce7b537/go.mod h1:h/y/lJNJAVTcIzAxCMXXw8Dh2aoLxBFZ6F1nTB8C0nU=
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=

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@ -3,11 +3,16 @@ package application
import (
"context"
"fmt"
"sort"
"strconv"
"strings"
"git.defalsify.org/vise.git/db"
"git.defalsify.org/vise.git/resource"
"git.grassecon.net/grassrootseconomics/sarafu-vise/config"
"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"
)
@ -52,6 +57,7 @@ func (h *MenuHandlers) CheckBalance(ctx context.Context, sym string, input []byt
return res, err
}
}
content, err = loadUserContent(ctx, string(activeSym), string(activeBal), string(accAlias))
if err != nil {
return res, err
@ -62,7 +68,7 @@ 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 string, balance string, alias string) (string, error) {
func loadUserContent(ctx context.Context, activeSym, balance, alias string) (string, error) {
var content string
code := codeFromCtx(ctx)
@ -75,8 +81,9 @@ func loadUserContent(ctx context.Context, activeSym string, balance string, alia
formattedAmount = "0.00"
}
// format the final output
// format the final outputs
balStr := fmt.Sprintf("%s %s", formattedAmount, activeSym)
if alias != "" {
content = l.Get("%s\nBalance: %s\n", alias, balStr)
} else {
@ -98,3 +105,141 @@ 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")
// default response
res.FlagReset = append(res.FlagReset, flag_api_call_error)
res.Content = l.Get("Credit: %s KSH\nDebt: %s KSH\n", "0", "0")
// Fetch session data
_, activeBal, activeSym, _, publicKey, _, err := h.getSessionData(ctx, sessionId)
if err != nil {
return res, nil
}
// Resolve active pool
activePoolAddress, _, err := h.resolveActivePoolDetails(ctx, sessionId)
if err != nil {
return res, err
}
// Fetch swappable vouchers
swappableVouchers, err := h.accountService.GetPoolSwappableFromVouchers(ctx, string(activePoolAddress), string(publicKey))
if err != nil {
logg.ErrorCtxf(ctx, "failed on GetPoolSwappableFromVouchers", "error", err)
return res, nil
}
if len(swappableVouchers) == 0 {
return res, nil
}
// Build stable voucher priority (lower index = higher priority)
stablePriority := make(map[string]int)
stableAddresses := config.StableVoucherAddresses()
for i, addr := range stableAddresses {
stablePriority[strings.ToLower(addr)] = i
}
// Helper: order vouchers (stable first, priority-based)
orderVouchers := func(vouchers []dataserviceapi.TokenHoldings) []dataserviceapi.TokenHoldings {
stable := make([]dataserviceapi.TokenHoldings, 0)
nonStable := make([]dataserviceapi.TokenHoldings, 0)
for _, v := range vouchers {
if isStableVoucher(v.TokenAddress) {
stable = append(stable, v)
} else {
nonStable = append(nonStable, v)
}
}
sort.SliceStable(stable, func(i, j int) bool {
ai := stablePriority[strings.ToLower(stable[i].TokenAddress)]
aj := stablePriority[strings.ToLower(stable[j].TokenAddress)]
return ai < aj
})
return append(stable, nonStable...)
}
// Remove active voucher
filteredVouchers := make([]dataserviceapi.TokenHoldings, 0, len(swappableVouchers))
for _, v := range swappableVouchers {
if v.TokenSymbol != string(activeSym) {
filteredVouchers = append(filteredVouchers, v)
}
}
// Order remaining vouchers
orderedFilteredVouchers := orderVouchers(filteredVouchers)
// Process & store
data := store.ProcessVouchers(orderedFilteredVouchers)
dataMap := map[storedb.DataTyp]string{
storedb.DATA_VOUCHER_SYMBOLS: data.Symbols,
storedb.DATA_VOUCHER_BALANCES: data.Balances,
storedb.DATA_VOUCHER_DECIMALS: data.Decimals,
storedb.DATA_VOUCHER_ADDRESSES: data.Addresses,
}
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
}
}
// Credit = active voucher balance
scaledCredit := string(activeBal)
// Debt = sum of stable vouchers only
scaledDebt := "0"
for _, v := range orderedFilteredVouchers {
scaled := store.ScaleDownBalance(v.Balance, v.TokenDecimals)
scaledDebt = store.AddDecimalStrings(scaledDebt, scaled)
}
// Fetch MPESA 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)
debtFloat, _ := strconv.ParseFloat(scaledDebt, 64)
creditKsh := fmt.Sprintf("%f", creditFloat*rates.Buy)
debtKsh := fmt.Sprintf("%f", debtFloat*rates.Buy)
kshFormattedCredit, _ := store.TruncateDecimalString(creditKsh, 0)
kshFormattedDebt, _ := store.TruncateDecimalString(debtKsh, 0)
res.Content = l.Get(
"Credit: %s KSH\nDebt: %s KSH\n",
kshFormattedCredit,
kshFormattedDebt,
)
return res, nil
}

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@ -28,20 +28,36 @@ func (h *MenuHandlers) GetMpesaMaxLimit(ctx context.Context, sym string, input [
flag_api_call_error, _ := h.flagManager.GetFlag("flag_api_call_error")
flag_low_swap_amount, _ := h.flagManager.GetFlag("flag_low_swap_amount")
flag_incorrect_pool, _ := h.flagManager.GetFlag("flag_incorrect_pool")
flag_incorrect_voucher, _ := h.flagManager.GetFlag("flag_incorrect_voucher")
code := codeFromCtx(ctx)
l := gotext.NewLocale(translationDir, code)
l.AddDomain("default")
inputStr := string(input)
if inputStr == "0" || inputStr == "9" {
if inputStr == "0" || inputStr == "99" || inputStr == "88" || inputStr == "98" {
res.FlagReset = append(res.FlagReset, flag_low_swap_amount, flag_api_call_error, flag_incorrect_voucher)
return res, nil
}
userStore := h.userdataStore
metadata, err := store.GetOrderedVoucherData(ctx, userStore, sessionId, inputStr)
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_incorrect_voucher)
return res, nil
}
// Store the active transaction voucher data
if err := store.StoreTemporaryVoucher(ctx, h.userdataStore, sessionId, metadata); err != nil {
logg.ErrorCtxf(ctx, "failed on StoreTemporaryVoucher", "error", err)
return res, err
}
// Fetch session data
_, activeBal, _, activeAddress, publicKey, activeDecimal, err := h.getSessionData(ctx, sessionId)
_, _, _, _, publicKey, _, err := h.getSessionData(ctx, sessionId)
if err != nil {
return res, err
}
@ -83,8 +99,12 @@ func (h *MenuHandlers) GetMpesaMaxLimit(ctx context.Context, sym string, input [
return res, err
}
// Fetch min withdrawal amount from config/env
minksh := fmt.Sprintf("%f", config.MinMpesaWithdrawAmount())
minKshFormatted, _ := store.TruncateDecimalString(minksh, 0)
// If RAT is the same as SAT, return early with KSH format
if string(activeAddress) == string(recipientActiveAddress) {
if string(metadata.TokenAddress) == string(recipientActiveAddress) {
txType = "normal"
// Save the transaction type
if err := userStore.WriteEntry(ctx, sessionId, storedb.DATA_SEND_TRANSACTION_TYPE, []byte(txType)); err != nil {
@ -92,27 +112,28 @@ func (h *MenuHandlers) GetMpesaMaxLimit(ctx context.Context, sym string, input [
return res, err
}
activeFloat, _ := strconv.ParseFloat(string(activeBal), 64)
activeFloat, _ := strconv.ParseFloat(string(metadata.Balance), 64)
ksh := fmt.Sprintf("%f", activeFloat*rates.Buy)
kshFormatted, _ := store.TruncateDecimalString(ksh, 0)
maxKshFormatted, _ := store.TruncateDecimalString(ksh, 0)
res.Content = l.Get(
"Enter the amount of Mpesa to get: (Max %s Ksh)\n",
kshFormatted,
"Enter the amount of Mpesa to withdraw: (Min: Ksh %s, Max %s Ksh)\n",
minKshFormatted,
maxKshFormatted,
)
return res, nil
}
// Resolve active pool address
activePoolAddress, err := h.resolveActivePoolAddress(ctx, sessionId)
activePoolAddress, _, err := h.resolveActivePoolDetails(ctx, sessionId)
if err != nil {
return res, err
}
// Check if sender token is swappable
canSwap, err := h.accountService.CheckTokenInPool(ctx, string(activePoolAddress), string(activeAddress))
canSwap, err := h.accountService.CheckTokenInPool(ctx, string(activePoolAddress), string(metadata.TokenAddress))
if err != nil {
res.FlagSet = append(res.FlagSet, flag_api_call_error)
logg.ErrorCtxf(ctx, "failed on CheckTokenInPool", "error", err)
@ -125,7 +146,7 @@ func (h *MenuHandlers) GetMpesaMaxLimit(ctx context.Context, sym string, input [
}
// retrieve the max credit send amounts
_, maxRAT, err := h.calculateSendCreditLimits(ctx, activePoolAddress, activeAddress, recipientActiveAddress, publicKey, activeDecimal, recipientActiveDecimal)
_, maxRAT, err := h.calculateSendCreditLimits(ctx, activePoolAddress, []byte(metadata.TokenAddress), recipientActiveAddress, publicKey, []byte(metadata.TokenDecimals), recipientActiveDecimal)
if err != nil {
res.FlagSet = append(res.FlagSet, flag_api_call_error)
logg.ErrorCtxf(ctx, "failed on calculateSendCreditLimits", "error", err)
@ -155,25 +176,26 @@ func (h *MenuHandlers) GetMpesaMaxLimit(ctx context.Context, sym string, input [
}
// save swap related data for the swap preview
metadata := &dataserviceapi.TokenHoldings{
swapMetadata := &dataserviceapi.TokenHoldings{
TokenAddress: string(recipientActiveAddress),
TokenSymbol: string(recipientActiveSym),
TokenDecimals: string(recipientActiveDecimal),
}
// Store the active swap_to data
if err := store.UpdateSwapToVoucherData(ctx, userStore, sessionId, metadata); err != nil {
if err := store.UpdateSwapToVoucherData(ctx, userStore, sessionId, swapMetadata); err != nil {
logg.ErrorCtxf(ctx, "failed on UpdateSwapToVoucherData", "error", err)
return res, err
}
maxKsh := maxFloat * rates.Buy
kshStr := fmt.Sprintf("%f", maxKsh)
kshFormatted, _ := store.TruncateDecimalString(kshStr, 0)
maxKshFormatted, _ := store.TruncateDecimalString(kshStr, 0)
res.Content = l.Get(
"Enter the amount of Mpesa to get: (Max %s Ksh)\n",
kshFormatted,
"Enter the amount of Mpesa to withdraw: (Min: Ksh %s, Max %s Ksh)\n",
minKshFormatted,
maxKshFormatted,
)
return res, nil
@ -189,7 +211,7 @@ func (h *MenuHandlers) GetMpesaPreview(ctx context.Context, sym string, input []
// INPUT IN RAT Ksh
inputStr := string(input)
if inputStr == "9" {
if inputStr == "0" || inputStr == "9" {
return res, nil
}
@ -219,16 +241,18 @@ func (h *MenuHandlers) GetMpesaPreview(ctx context.Context, sym string, input []
return res, nil
}
min := config.MinMpesaWithdrawAmount()
if kshAmount < min {
// if the input is below the minimum
res.FlagSet = append(res.FlagSet, flag_invalid_amount)
res.Content = inputStr
return res, nil
}
// divide by the buy rate
inputAmount := kshAmount / rates.Buy
// store the user's raw 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 temporary inputStr entry with", "key", storedb.DATA_TEMPORARY_VALUE, "value", inputStr, "error", err)
return res, err
}
swapData, err := store.ReadSwapPreviewData(ctx, userStore, sessionId)
if err != nil {
return res, err
@ -239,19 +263,21 @@ func (h *MenuHandlers) GetMpesaPreview(ctx context.Context, sym string, input []
return res, err
}
if string(transactionType) == "normal" {
activeBal, err := userStore.ReadEntry(ctx, sessionId, storedb.DATA_ACTIVE_BAL)
// get the selected voucher
mpesaWithdrawalVoucher, err := store.GetTemporaryVoucherData(ctx, h.userdataStore, sessionId)
if err != nil {
logg.ErrorCtxf(ctx, "failed to read activeBal entry with", "key", storedb.DATA_ACTIVE_BAL, "error", err)
return res, err
}
balanceValue, err := strconv.ParseFloat(string(activeBal), 64)
if err != nil {
logg.ErrorCtxf(ctx, "Failed to convert the activeBal to a float", "error", err)
logg.ErrorCtxf(ctx, "failed on GetTemporaryVoucherData", "error", err)
return res, err
}
if inputAmount > balanceValue {
maxValue, err := strconv.ParseFloat(mpesaWithdrawalVoucher.Balance, 64)
if err != nil {
logg.ErrorCtxf(ctx, "Failed to convert the swapMaxAmount to a float", "error", err)
return res, err
}
if string(transactionType) == "normal" {
if inputAmount > maxValue {
res.FlagSet = append(res.FlagSet, flag_invalid_amount)
res.Content = inputStr
return res, nil
@ -270,7 +296,7 @@ func (h *MenuHandlers) GetMpesaPreview(ctx context.Context, sym string, input []
res.Content = l.Get(
"You are sending %s %s in order to receive ~ %s ksh",
qouteInputAmount, swapData.ActiveSwapFromSym, inputStr,
qouteInputAmount, mpesaWithdrawalVoucher.TokenSymbol, inputStr,
)
return res, nil
@ -365,6 +391,12 @@ func (h *MenuHandlers) InitiateGetMpesa(ctx context.Context, sym string, input [
return res, err
}
mpesaWithdrawalVoucher, err := store.GetTemporaryVoucherData(ctx, h.userdataStore, sessionId)
if err != nil {
logg.ErrorCtxf(ctx, "failed on GetTemporaryVoucherData", "error", err)
return res, err
}
if string(transactionType) == "normal" {
// Call TokenTransfer for the normal transaction
data, err := store.ReadTransactionData(ctx, h.userdataStore, sessionId)
@ -372,12 +404,12 @@ func (h *MenuHandlers) InitiateGetMpesa(ctx context.Context, sym string, input [
return res, err
}
finalAmountStr, err := store.ParseAndScaleAmount(data.Amount, data.ActiveDecimal)
finalAmountStr, err := store.ParseAndScaleAmount(data.Amount, mpesaWithdrawalVoucher.TokenDecimals)
if err != nil {
return res, err
}
tokenTransfer, err := h.accountService.TokenTransfer(ctx, finalAmountStr, data.PublicKey, mpesaAddress, data.ActiveAddress)
tokenTransfer, err := h.accountService.TokenTransfer(ctx, finalAmountStr, data.PublicKey, mpesaAddress, mpesaWithdrawalVoucher.TokenAddress)
if err != nil {
res.FlagSet = append(res.FlagSet, flag_api_call_error)
res.Content = l.Get("Your request failed. Please try again later.")
@ -387,11 +419,10 @@ func (h *MenuHandlers) InitiateGetMpesa(ctx context.Context, sym string, input [
logg.InfoCtxf(ctx, "TokenTransfer normal", "trackingId", tokenTransfer.TrackingId)
res.Content = l.Get("Your request has been sent. You will receive ~ %s ksh", data.TemporaryValue)
res.Content = l.Get("Your request has been sent. Please await confirmation")
res.FlagReset = append(res.FlagReset, flag_account_authorized)
return res, nil
}
swapAmount, err := userStore.ReadEntry(ctx, sessionId, storedb.DATA_ACTIVE_SWAP_AMOUNT)
@ -417,11 +448,6 @@ func (h *MenuHandlers) InitiateGetMpesa(ctx context.Context, sym string, input [
// TODO: remove this temporary time delay and replace with a swap and send endpoint
time.Sleep(1 * time.Second)
finalKshStr, err := userStore.ReadEntry(ctx, sessionId, storedb.DATA_TEMPORARY_VALUE)
if err != nil {
return res, err
}
amount, err := userStore.ReadEntry(ctx, sessionId, storedb.DATA_AMOUNT)
if err != nil {
return res, err
@ -438,7 +464,7 @@ func (h *MenuHandlers) InitiateGetMpesa(ctx context.Context, sym string, input [
logg.InfoCtxf(ctx, "final TokenTransfer after swap", "trackingId", tokenTransfer.TrackingId)
res.Content = l.Get("Your request has been sent. You will receive ~ %s ksh", finalKshStr)
res.Content = l.Get("Your request has been sent. Please await confirmation")
res.FlagReset = append(res.FlagReset, flag_account_authorized)
return res, nil
}

View File

@ -0,0 +1,320 @@
package application
import (
"context"
"fmt"
"strconv"
"strings"
"git.defalsify.org/vise.git/resource"
"git.grassecon.net/grassrootseconomics/sarafu-vise/config"
"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 based on the selected voucher
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 == "99" || inputStr == "88" || inputStr == "98" {
res.FlagReset = append(res.FlagReset, flag_low_swap_amount, flag_api_call_error)
return res, nil
}
userStore := h.userdataStore
// Fetch session data
_, _, activeSym, activeAddress, publicKey, activeDecimal, err := h.getSessionData(ctx, sessionId)
if err != nil {
return res, nil
}
// Resolve active pool
activePoolAddress, activePoolName, err := h.resolveActivePoolDetails(ctx, sessionId)
if err != nil {
res.FlagReset = append(res.FlagReset, flag_low_swap_amount, flag_api_call_error)
return res, err
}
// get the voucher data based on the input
metadata, err := store.GetVoucherData(ctx, userStore, sessionId, inputStr)
if err != nil {
res.FlagReset = append(res.FlagReset, flag_low_swap_amount, flag_api_call_error)
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
}
// Get the max swap limit with the selected voucher
r, err := h.accountService.GetSwapFromTokenMaxLimit(ctx, string(activePoolAddress), metadata.TokenAddress, string(activeAddress), string(publicKey))
if err != nil {
res.FlagSet = append(res.FlagSet, flag_api_call_error)
logg.ErrorCtxf(ctx, "failed on GetSwapFromTokenMaxLimit", "error", err)
return res, nil
}
maxLimit := r.Max
metadata.Balance = maxLimit
// Store the active swap from data
if err := store.UpdateSwapFromVoucherData(ctx, userStore, sessionId, metadata); err != nil {
logg.ErrorCtxf(ctx, "failed on UpdateSwapFromVoucherData", "error", err)
return res, err
}
// Scale down the amount
maxAmountStr := store.ScaleDownBalance(maxLimit, metadata.TokenDecimals)
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
}
// Do a pool quote to get the max AT that can be removed (gotten)
// if we swapped the max of the FT
// call the API to get the quote
qoute, err := h.accountService.GetPoolSwapQuote(ctx, maxLimit, string(publicKey), metadata.TokenAddress, string(activePoolAddress), string(activeAddress))
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(qoute.OutValue, string(activeDecimal))
// Format to 2 decimal places
quoteStr, _ := store.TruncateDecimalString(string(quoteAmountStr), 2)
res.Content = l.Get(
"You can remove a max of %s %s from '%s'\nEnter amount of %s:(Max: %s)",
quoteStr,
string(activeSym),
string(activePoolName),
metadata.TokenSymbol,
maxStr,
)
res.FlagReset = append(res.FlagReset, flag_low_swap_amount, flag_api_call_error)
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
// Fetch session data
_, _, activeSym, activeAddress, publicKey, _, err := h.getSessionData(ctx, sessionId)
if err != nil {
return res, nil
}
payDebtVoucher, err := store.ReadSwapFromVoucher(ctx, h.userdataStore, sessionId)
if err != nil {
logg.ErrorCtxf(ctx, "failed on ReadSwapFromVoucher", "error", err)
return res, err
}
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 || inputAmount < 0.1 {
res.FlagSet = append(res.FlagSet, flag_invalid_amount)
res.Content = inputStr
return res, nil
}
var finalAmountStr string
if inputStr == swapData.ActiveSwapMaxAmount {
finalAmountStr = string(payDebtVoucher.Balance)
} else {
finalAmountStr, err = store.ParseAndScaleAmount(inputStr, payDebtVoucher.TokenDecimals)
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
}
// call the API to get the quote
r, err := h.accountService.GetPoolSwapQuote(ctx, finalAmountStr, string(publicKey), payDebtVoucher.TokenAddress, swapData.ActivePoolAddress, string(activeAddress))
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.ActiveSwapFromDecimal)
// Format to 2 decimal places
qouteStr, _ := store.TruncateDecimalString(string(quoteAmountStr), 2)
// store the quote in the temporary value key
err = userStore.WriteEntry(ctx, sessionId, storedb.DATA_TEMPORARY_VALUE, []byte(qouteStr))
if err != nil {
logg.ErrorCtxf(ctx, "failed to write swap max amount entry with", "key", storedb.DATA_TEMPORARY_VALUE, "value", qouteStr, "error", err)
return res, err
}
res.Content = l.Get(
"Please confirm that you will use %s %s to remove your debt of %s %s\n",
inputStr, payDebtVoucher.TokenSymbol, qouteStr, string(activeSym),
)
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
// Fetch session data
_, _, activeSym, activeAddress, publicKey, _, err := h.getSessionData(ctx, sessionId)
if err != nil {
return res, nil
}
// Resolve active pool
activePoolAddress, activePoolName, err := h.resolveActivePoolDetails(ctx, sessionId)
if err != nil {
return res, err
}
payDebtVoucher, err := store.ReadSwapFromVoucher(ctx, h.userdataStore, sessionId)
if err != nil {
logg.ErrorCtxf(ctx, "failed on ReadSwapFromVoucher", "error", err)
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, string(publicKey), payDebtVoucher.TokenAddress, string(activePoolAddress), string(activeAddress))
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,
string(activeSym),
activePoolName,
)
res.FlagReset = append(res.FlagReset, flag_account_authorized)
return res, nil
}
func isStableVoucher(tokenAddress string) bool {
addr := strings.ToLower(strings.TrimSpace(tokenAddress))
for _, stable := range config.StableVoucherAddresses() {
if addr == stable {
return true
}
}
return false
}

View File

@ -0,0 +1,220 @@
package application
import (
"context"
"fmt"
"strconv"
"strings"
"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"
)
// GetOrderedVouchers returns a list of ordered vouchers with stables at the top
func (h *MenuHandlers) GetOrderedVouchers(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")
userStore := h.userdataStore
// Read ordered vouchers from the store
voucherData, err := userStore.ReadEntry(ctx, sessionId, storedb.DATA_ORDERED_VOUCHER_SYMBOLS)
if err != nil {
logg.ErrorCtxf(ctx, "failed to read stable voucherData entires with", "key", storedb.DATA_ORDERED_VOUCHER_SYMBOLS, "error", err)
return res, err
}
if len(voucherData) == 0 {
return res, nil
}
voucherBalances, err := userStore.ReadEntry(ctx, sessionId, storedb.DATA_ORDERED_VOUCHER_BALANCES)
if err != nil {
logg.ErrorCtxf(ctx, "failed to read stable voucherData entires with", "key", storedb.DATA_ORDERED_VOUCHER_BALANCES, "error", err)
return res, err
}
formattedVoucherList := store.FormatVoucherList(ctx, string(voucherData), string(voucherBalances))
finalOutput := strings.Join(formattedVoucherList, "\n")
res.Content = l.Get("Select number or symbol from your vouchers:\n%s", finalOutput)
return res, nil
}
// PoolDepositMaxAmount returns the balance of the selected voucher
func (h *MenuHandlers) PoolDepositMaxAmount(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_voucher, _ := h.flagManager.GetFlag("flag_incorrect_voucher")
res.FlagReset = append(res.FlagReset, flag_incorrect_voucher)
inputStr := string(input)
if inputStr == "0" || inputStr == "99" || inputStr == "88" || inputStr == "98" {
return res, nil
}
userStore := h.userdataStore
metadata, err := store.GetOrderedVoucherData(ctx, userStore, sessionId, inputStr)
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_incorrect_voucher)
return res, nil
}
// Store the pool deposit voucher data
if err := store.StoreTemporaryVoucher(ctx, h.userdataStore, sessionId, metadata); err != nil {
logg.ErrorCtxf(ctx, "failed on StoreTemporaryVoucher", "error", err)
return res, err
}
// Format the balance amount to 2 decimal places
formattedBalance, _ := store.TruncateDecimalString(string(metadata.Balance), 2)
res.Content = l.Get("Maximum amount: %s %s\nEnter amount:", formattedBalance, metadata.TokenSymbol)
return res, nil
}
// ConfirmPoolDeposit displays the pool deposit preview for a PIN confirmation
func (h *MenuHandlers) ConfirmPoolDeposit(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")
res.FlagReset = append(res.FlagReset, flag_invalid_amount)
code := codeFromCtx(ctx)
l := gotext.NewLocale(translationDir, code)
l.AddDomain("default")
userStore := h.userdataStore
poolDepositVoucher, err := store.GetTemporaryVoucherData(ctx, h.userdataStore, sessionId)
if err != nil {
logg.ErrorCtxf(ctx, "failed on GetTemporaryVoucherData", "error", err)
return res, err
}
maxValue, err := strconv.ParseFloat(poolDepositVoucher.Balance, 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 || inputAmount < 0.1 {
res.FlagSet = append(res.FlagSet, flag_invalid_amount)
res.Content = inputStr
return res, nil
}
err = userStore.WriteEntry(ctx, sessionId, storedb.DATA_AMOUNT, []byte(inputStr))
if err != nil {
logg.ErrorCtxf(ctx, "failed to write pool deposit amount entry with", "key", storedb.DATA_AMOUNT, "value", inputStr, "error", err)
return res, err
}
// Resolve active pool
_, activePoolName, err := h.resolveActivePoolDetails(ctx, sessionId)
if err != nil {
return res, err
}
res.Content = l.Get(
"You will deposit %s %s into %s\n",
inputStr, poolDepositVoucher.TokenSymbol, activePoolName,
)
return res, nil
}
// InitiatePoolDeposit calls the pool deposit API
func (h *MenuHandlers) InitiatePoolDeposit(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")
// Resolve active pool
activePoolAddress, activePoolName, err := h.resolveActivePoolDetails(ctx, sessionId)
if err != nil {
return res, err
}
poolDepositVoucher, err := store.GetTemporaryVoucherData(ctx, h.userdataStore, sessionId)
if err != nil {
logg.ErrorCtxf(ctx, "failed on GetTemporaryVoucherData", "error", err)
return res, err
}
poolDepositdata, err := store.ReadTransactionData(ctx, h.userdataStore, sessionId)
if err != nil {
return res, err
}
finalAmountStr, err := store.ParseAndScaleAmount(poolDepositdata.Amount, poolDepositVoucher.TokenDecimals)
if err != nil {
return res, err
}
// Call pool deposit API
r, err := h.accountService.PoolDeposit(ctx, finalAmountStr, poolDepositdata.PublicKey, string(activePoolAddress), poolDepositVoucher.TokenAddress)
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 pool deposit", "error", err)
return res, nil
}
trackingId := r.TrackingId
logg.InfoCtxf(ctx, "Pool deposit", "trackingId", trackingId)
res.Content = l.Get(
"Your request has been sent. You will receive an SMS when %s %s has been deposited into %s.",
poolDepositdata.Amount,
poolDepositVoucher.TokenSymbol,
activePoolName,
)
res.FlagReset = append(res.FlagReset, flag_account_authorized)
return res, nil
}

View File

@ -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 swap amount entry with", "key", storedb.DATA_ACTIVE_SWAP_AMOUNT, "value", finalAmountStr, "error", err)
logg.ErrorCtxf(ctx, "failed to write inputStr amount entry with", "key", storedb.DATA_TEMPORARY_VALUE, "value", inputStr, "error", err)
return res, err
}

View File

@ -345,7 +345,7 @@ func (h *MenuHandlers) MaxAmount(ctx context.Context, sym string, input []byte)
}
// Resolve active pool address
activePoolAddress, err := h.resolveActivePoolAddress(ctx, sessionId)
activePoolAddress, _, err := h.resolveActivePoolDetails(ctx, sessionId)
if err != nil {
return res, err
}
@ -479,22 +479,53 @@ func (h *MenuHandlers) getRecipientData(ctx context.Context, sessionId string) (
return
}
func (h *MenuHandlers) resolveActivePoolAddress(ctx context.Context, sessionId string) ([]byte, error) {
func (h *MenuHandlers) resolveActivePoolDetails(ctx context.Context, sessionId string) (defaultPoolAddress, defaultPoolName []byte, err error) {
store := h.userdataStore
addr, err := store.ReadEntry(ctx, sessionId, storedb.DATA_ACTIVE_POOL_ADDRESS)
if err == nil {
return addr, nil
}
if db.IsNotFound(err) {
defaultAddr := []byte(config.DefaultPoolAddress())
if err := store.WriteEntry(ctx, sessionId, storedb.DATA_ACTIVE_POOL_ADDRESS, defaultAddr); err != nil {
logg.ErrorCtxf(ctx, "failed to write default pool address", "error", err)
return nil, err
}
return defaultAddr, nil
}
// Try read address
defaultPoolAddress, err = store.ReadEntry(ctx, sessionId, storedb.DATA_ACTIVE_POOL_ADDRESS)
if err != nil && !db.IsNotFound(err) {
logg.ErrorCtxf(ctx, "failed to read active pool address", "error", err)
return nil, err
return nil, nil, err
}
// Try read name
defaultPoolName, err = store.ReadEntry(ctx, sessionId, storedb.DATA_ACTIVE_POOL_NAME)
if err != nil && !db.IsNotFound(err) {
logg.ErrorCtxf(ctx, "failed to read active pool name", "error", err)
return nil, nil, err
}
// If both exist, return them
if defaultPoolAddress != nil && defaultPoolName != nil {
return defaultPoolAddress, defaultPoolName, nil
}
// Fallback to config defaults
defaultPoolAddress = []byte(config.DefaultPoolAddress())
defaultPoolName = []byte(config.DefaultPoolName())
if err := store.WriteEntry(
ctx,
sessionId,
storedb.DATA_ACTIVE_POOL_ADDRESS,
defaultPoolAddress,
); err != nil {
logg.ErrorCtxf(ctx, "failed to write default pool address", "error", err)
return nil, nil, err
}
if err := store.WriteEntry(
ctx,
sessionId,
storedb.DATA_ACTIVE_POOL_NAME,
defaultPoolName,
); err != nil {
logg.ErrorCtxf(ctx, "failed to write default pool name", "error", err)
return nil, nil, err
}
return defaultPoolAddress, defaultPoolName, nil
}
func (h *MenuHandlers) calculateSendCreditLimits(ctx context.Context, poolAddress, fromAddress, toAddress, publicKey, fromDecimal, toDecimal []byte) (string, string, error) {
@ -554,7 +585,7 @@ func (h *MenuHandlers) ValidateAmount(ctx context.Context, sym string, input []b
return res, nil
}
if inputAmount > balanceValue {
if inputAmount > balanceValue || inputAmount < 0.1{
res.FlagSet = append(res.FlagSet, flag_invalid_amount)
res.Content = amountStr
return res, nil

View File

@ -3,10 +3,12 @@ package application
import (
"context"
"fmt"
"sort"
"strings"
"git.defalsify.org/vise.git/db"
"git.defalsify.org/vise.git/resource"
"git.grassecon.net/grassrootseconomics/sarafu-vise/config"
"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"
@ -16,7 +18,8 @@ import (
// ManageVouchers retrieves the token holdings from the API using the "PublicKey" and
// 1. sets the first as the default voucher if no active voucher is set.
// 2. Stores list of vouchers
// 3. updates the balance of the active voucher
// 3. Stores list of filtered stable vouchers
// 4. updates the balance of the active voucher
func (h *MenuHandlers) ManageVouchers(ctx context.Context, sym string, input []byte) (resource.Result, error) {
var res resource.Result
userStore := h.userdataStore
@ -29,6 +32,7 @@ func (h *MenuHandlers) ManageVouchers(ctx context.Context, sym string, input []b
flag_no_active_voucher, _ := h.flagManager.GetFlag("flag_no_active_voucher")
flag_api_error, _ := h.flagManager.GetFlag("flag_api_call_error")
flag_no_stable_vouchers, _ := h.flagManager.GetFlag("flag_no_stable_vouchers")
publicKey, err := userStore.ReadEntry(ctx, sessionId, storedb.DATA_PUBLIC_KEY)
if err != nil {
@ -144,7 +148,36 @@ func (h *MenuHandlers) ManageVouchers(ctx context.Context, sym string, input []b
}
}
// Filter out the active voucher from vouchersResp
// Build stable voucher priority (lower index = higher priority)
stablePriority := make(map[string]int)
stableAddresses := config.StableVoucherAddresses()
for i, addr := range stableAddresses {
stablePriority[strings.ToLower(addr)] = i
}
// Helper: order vouchers (stable first, priority-based)
orderVouchers := func(vouchers []dataserviceapi.TokenHoldings) []dataserviceapi.TokenHoldings {
stable := make([]dataserviceapi.TokenHoldings, 0)
nonStable := make([]dataserviceapi.TokenHoldings, 0)
for _, v := range vouchers {
if isStableVoucher(v.TokenAddress) {
stable = append(stable, v)
} else {
nonStable = append(nonStable, v)
}
}
sort.SliceStable(stable, func(i, j int) bool {
ai := stablePriority[strings.ToLower(stable[i].TokenAddress)]
aj := stablePriority[strings.ToLower(stable[j].TokenAddress)]
return ai < aj
})
return append(stable, nonStable...)
}
// Remove active voucher
filteredVouchers := make([]dataserviceapi.TokenHoldings, 0, len(vouchersResp))
for _, v := range vouchersResp {
if v.TokenSymbol != activeSymStr {
@ -152,8 +185,11 @@ func (h *MenuHandlers) ManageVouchers(ctx context.Context, sym string, input []b
}
}
// Store all voucher data (excluding the current active voucher)
data := store.ProcessVouchers(filteredVouchers)
// Order remaining vouchers
orderedFilteredVouchers := orderVouchers(filteredVouchers)
// Process & store
data := store.ProcessVouchers(orderedFilteredVouchers)
dataMap := map[storedb.DataTyp]string{
storedb.DATA_VOUCHER_SYMBOLS: data.Symbols,
@ -164,6 +200,41 @@ func (h *MenuHandlers) ManageVouchers(ctx context.Context, sym string, input []b
// 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)
}
}
// Order all vouchers
orderedVouchers := orderVouchers(vouchersResp)
// Stable voucher presence flag (based on full list)
hasStable := false
for _, v := range orderedVouchers {
if isStableVoucher(v.TokenAddress) {
hasStable = true
break
}
}
if !hasStable {
res.FlagSet = append(res.FlagSet, flag_no_stable_vouchers)
} else {
res.FlagReset = append(res.FlagReset, flag_no_stable_vouchers)
}
// Process ALL vouchers (stable first)
orderedVoucherData := store.ProcessVouchers(orderedVouchers)
orderedVoucherDataMap := map[storedb.DataTyp]string{
storedb.DATA_ORDERED_VOUCHER_SYMBOLS: orderedVoucherData.Symbols,
storedb.DATA_ORDERED_VOUCHER_BALANCES: orderedVoucherData.Balances,
storedb.DATA_ORDERED_VOUCHER_DECIMALS: orderedVoucherData.Decimals,
storedb.DATA_ORDERED_VOUCHER_ADDRESSES: orderedVoucherData.Addresses,
}
// Write data entries
for key, value := range orderedVoucherDataMap {
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
@ -181,8 +252,18 @@ func (h *MenuHandlers) GetVoucherList(ctx context.Context, sym string, input []b
return res, fmt.Errorf("missing session")
}
code := codeFromCtx(ctx)
l := gotext.NewLocale(translationDir, code)
l.AddDomain("default")
userStore := h.userdataStore
// Fetch session data
_, _, activeSym, _, _, _, err := h.getSessionData(ctx, sessionId)
if err != nil {
return res, nil
}
// Read vouchers from the store
voucherData, err := userStore.ReadEntry(ctx, sessionId, storedb.DATA_VOUCHER_SYMBOLS)
logg.InfoCtxf(ctx, "reading voucherData in GetVoucherList", "sessionId", sessionId, "key", storedb.DATA_VOUCHER_SYMBOLS, "voucherData", voucherData)
@ -191,6 +272,11 @@ func (h *MenuHandlers) GetVoucherList(ctx context.Context, sym string, input []b
return res, err
}
if len(voucherData) == 0 {
res.Content = l.Get("Your active voucher %s is already set", string(activeSym))
return res, nil
}
voucherBalances, err := userStore.ReadEntry(ctx, sessionId, storedb.DATA_VOUCHER_BALANCES)
logg.InfoCtxf(ctx, "reading voucherBalances in GetVoucherList", "sessionId", sessionId, "key", storedb.DATA_VOUCHER_BALANCES, "voucherBalances", voucherBalances)
if err != nil {
@ -203,7 +289,7 @@ func (h *MenuHandlers) GetVoucherList(ctx context.Context, sym string, input []b
logg.InfoCtxf(ctx, "final output for GetVoucherList", "sessionId", sessionId, "finalOutput", finalOutput)
res.Content = finalOutput
res.Content = l.Get("Select number or symbol from your vouchers:\n%s", finalOutput)
return res, nil
}

View File

@ -81,6 +81,7 @@ 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)
@ -146,6 +147,13 @@ 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("confirm_debt_removal", appHandlers.ConfirmDebtRemoval)
ls.DbRs.AddLocalFunc("initiate_pay_debt", appHandlers.InitiatePayDebt)
ls.DbRs.AddLocalFunc("get_ordered_vouchers", appHandlers.GetOrderedVouchers)
ls.DbRs.AddLocalFunc("pool_deposit_max_amount", appHandlers.PoolDepositMaxAmount)
ls.DbRs.AddLocalFunc("confirm_pool_deposit", appHandlers.ConfirmPoolDeposit)
ls.DbRs.AddLocalFunc("initiate_pool_deposit", appHandlers.InitiatePoolDeposit)
ls.first = appHandlers.Init

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@ -0,0 +1 @@
{{.calculate_max_pay_debt}}

View File

@ -0,0 +1,10 @@
LOAD reset_transaction_amount 10
RELOAD reset_transaction_amount
MAP calculate_max_pay_debt
MOUT back 0
HALT
LOAD confirm_debt_removal 140
RELOAD confirm_debt_removal
CATCH invalid_pay_debt_amount flag_invalid_amount 1
INCMP _ 0
INCMP confirm_debt_removal *

View File

@ -0,0 +1,2 @@
{{.confirm_debt_removal}}
Enter your PIN:

View File

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

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@ -0,0 +1 @@
Pool deposit

View File

@ -0,0 +1 @@
Weka kwa bwawa

View File

@ -1 +1 @@
{{.get_mpesa_max_limit}}
{{.get_ordered_vouchers}}

View File

@ -1,10 +1,15 @@
CATCH no_voucher flag_no_active_voucher 1
LOAD get_ordered_vouchers 0
MAP get_ordered_vouchers
MOUT back 0
MOUT quit 99
MNEXT next 88
MPREV prev 98
HALT
INCMP > 88
INCMP < 98
INCMP _ 0
INCMP quit 99
LOAD get_mpesa_max_limit 0
RELOAD get_mpesa_max_limit
MAP get_mpesa_max_limit
MOUT back 0
MOUT quit 9
HALT
INCMP _ 0
INCMP quit 9
INCMP get_mpesa_confirmation *
INCMP mpesa_max_limit *

View File

@ -1,7 +1,4 @@
LOAD get_mpesa_preview 0
MAP get_mpesa_preview
CATCH api_failure flag_api_call_error 1
CATCH invalid_credit_send_amount flag_invalid_amount 1
MOUT back 0
MOUT quit 9
HALT

View File

@ -1 +1 @@
Get M-Pesa
Withdraw

View File

@ -0,0 +1,4 @@
LOAD reset_incorrect_pin 6
CATCH _ flag_account_authorized 0
LOAD initiate_pay_debt 0
HALT

View File

@ -0,0 +1 @@
Amount {{.get_mpesa_preview}} is invalid, please try again:

View File

@ -0,0 +1,7 @@
MAP get_mpesa_preview
RELOAD reset_transaction_amount
MOUT retry 1
MOUT quit 9
HALT
INCMP _ 1
INCMP quit 9

View File

@ -0,0 +1 @@
Kiwango {{.get_mpesa_preview}} sio sahihi, tafadhali weka tena:

View File

@ -0,0 +1 @@
Amount {{.confirm_debt_removal}} is invalid, please try again:

View File

@ -0,0 +1,7 @@
MAP confirm_debt_removal
RELOAD reset_transaction_amount
MOUT retry 1
MOUT quit 9
HALT
INCMP _ 1
INCMP quit 9

View File

@ -0,0 +1 @@
Kiwango {{.confirm_debt_removal}} sio sahihi, tafadhali weka tena:

View File

@ -0,0 +1 @@
Amount {{.confirm_pool_deposit}} is invalid, please try again:

View File

@ -0,0 +1,7 @@
MAP confirm_pool_deposit
RELOAD reset_transaction_amount
MOUT retry 1
MOUT quit 9
HALT
INCMP _ 1
INCMP quit 9

View File

@ -0,0 +1 @@
Kiwango {{.confirm_pool_deposit}} sio sahihi, tafadhali weka tena:

View File

@ -32,7 +32,7 @@ msgid "Symbol: %s\nBalance: %s"
msgstr "Sarafu: %s\nSalio: %s"
msgid "Your request has been sent. You will receive an SMS when your %s %s has been swapped for %s."
msgstr "Ombi lako limetumwa. Utapokea SMS wakati %s %s yako itakapobadilishwa kuwa %s."
msgstr "Ombi lako limetumwa. Utapokea ujumbe wakati %s %s yako itakapobadilishwa kuwa %s."
msgid "%s balance: %s\n"
msgstr "%s salio: %s\n"
@ -61,8 +61,8 @@ msgstr "Weka kiasi cha M-Pesa cha kupata: (Kikomo %s Ksh)\n"
msgid "You are sending %s %s in order to receive ~ %s ksh"
msgstr "Unatuma ~ %s %s ili upoke %s ksh"
msgid "Your request has been sent. You will receive ~ %s ksh"
msgstr "Ombi lako limetumwa. Utapokea ~ %s ksh"
msgid "Your request has been sent. Please await confirmation"
msgstr "Ombi lako limetumwa. Tafadhali subiri"
msgid "Enter the amount of M-Pesa to send: (Minimum %s Ksh)\n"
msgstr "Weka kiasi cha M-Pesa cha kutuma: (Kima cha chini %s Ksh)\n"
@ -72,3 +72,21 @@ 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 "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:"
msgid "Your active voucher %s is already set"
msgstr "Sarafu yako %s ishachaguliwa"
msgid "Select number or symbol from your vouchers:\n%s"
msgstr "Chagua nambari au ishara kutoka kwa sarafu zako:\n%s"
msgid "You will deposit %s %s into %s\n"
msgstr "Utaweka %s %s kwenye %s\n"
msgid "Your request has been sent. You will receive an SMS when %s %s has been deposited into %s."
msgstr "Ombi lako limetumwa. Utapokea ujumbe wakati %s %s itawekwa kwenye %s."

View File

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

View File

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

View File

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

View File

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

View File

@ -1 +1 @@
{{.check_balance}}
{{.calc_credit_debt}}

View File

@ -1,9 +1,18 @@
MAP check_balance
MOUT get_mpesa 1
MOUT send_mpesa 2
LOAD calc_credit_debt 150
RELOAD calc_credit_debt
CATCH api_failure flag_api_call_error 1
MAP calc_credit_debt
MOUT pay_debt 1
MOUT deposit 2
MOUT get_mpesa 3
MOUT send_mpesa 4
MOUT back 0
MOUT quit 9
HALT
INCMP get_mpesa 1
INCMP send_mpesa 2
INCMP ^ 0
INCMP pay_debt 1
INCMP pool_deposit 2
INCMP get_mpesa 3
INCMP send_mpesa 4
INCMP quit 9
INCMP . *

View File

@ -0,0 +1 @@
{{.get_mpesa_max_limit}}

View File

@ -0,0 +1,13 @@
LOAD reset_transaction_amount 10
RELOAD reset_transaction_amount
MAP get_mpesa_max_limit
MOUT back 0
MOUT quit 9
HALT
INCMP _ 0
INCMP quit 9
LOAD get_mpesa_preview 90
RELOAD get_mpesa_preview
CATCH api_failure flag_api_call_error 1
CATCH invalid_get_mpesa_amount flag_invalid_amount 1
INCMP get_mpesa_confirmation *

View File

@ -0,0 +1 @@
No stable voucher found

View File

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

View File

@ -0,0 +1 @@
Hakuna sarafu thabiti iliyopatikana

View File

@ -0,0 +1 @@
{{.get_vouchers}}

View File

@ -0,0 +1,16 @@
CATCH no_voucher flag_no_active_voucher 1
LOAD get_vouchers 0
MAP get_vouchers
MOUT back 0
MOUT quit 99
MNEXT next 88
MPREV prev 98
HALT
INCMP > 88
INCMP < 98
INCMP _ 0
INCMP quit 99
LOAD calculate_max_pay_debt 0
RELOAD calculate_max_pay_debt
CATCH . flag_incorrect_voucher 1
INCMP calculate_max_pay_debt *

View File

@ -0,0 +1 @@
Pay debt

View File

@ -0,0 +1 @@
Lipa deni

View File

@ -0,0 +1 @@
{{.calculate_max_pay_debt}}

View File

@ -0,0 +1 @@
{{.get_ordered_vouchers}}

View File

@ -0,0 +1,17 @@
CATCH no_voucher flag_no_active_voucher 1
CATCH no_stable_voucher flag_no_stable_vouchers 1
LOAD get_ordered_vouchers 0
MAP get_ordered_vouchers
MOUT back 0
MOUT quit 99
MNEXT next 88
MPREV prev 98
HALT
INCMP > 88
INCMP < 98
INCMP _ 0
INCMP quit 99
LOAD pool_deposit_max_amount 120
RELOAD pool_deposit_max_amount
CATCH . flag_incorrect_voucher 1
INCMP pool_deposit_amount *

View File

@ -0,0 +1 @@
{{.pool_deposit_max_amount}}

View File

@ -0,0 +1,10 @@
LOAD reset_transaction_amount 10
RELOAD reset_transaction_amount
MAP pool_deposit_max_amount
MOUT back 0
HALT
LOAD confirm_pool_deposit 140
RELOAD confirm_pool_deposit
CATCH invalid_pool_deposit_amount flag_invalid_amount 1
INCMP _ 0
INCMP pool_deposit_confirmation *

View File

@ -0,0 +1,2 @@
{{.confirm_pool_deposit}}
Please enter your PIN to confirm:

View File

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

View File

@ -0,0 +1,2 @@
{{.confirm_pool_deposit}}
Tafadhali weka PIN yako kudhibitisha:

View File

@ -0,0 +1,4 @@
LOAD reset_incorrect_pin 6
CATCH _ flag_account_authorized 0
LOAD initiate_pool_deposit 0
HALT

View File

@ -36,3 +36,4 @@ flag,flag_incorrect_pool,42,this is set when the user selects an invalid pool
flag,flag_low_swap_amount,43,this is set when the swap max limit is less than 0.1
flag,flag_alias_unavailable,44,this is set when the preferred alias is not available
flag,flag_swap_transaction,45,this is set when the transaction will involve performing a swap
flag,flag_no_stable_vouchers,46,this is set when the user does not have a stable voucher

1 flag flag_language_set 8 checks whether the user has set their prefered language
36 flag flag_low_swap_amount 43 this is set when the swap max limit is less than 0.1
37 flag flag_alias_unavailable 44 this is set when the preferred alias is not available
38 flag flag_swap_transaction 45 this is set when the transaction will involve performing a swap
39 flag flag_no_stable_vouchers 46 this is set when the user does not have a stable voucher

View File

@ -7,7 +7,7 @@ CATCH blocked_account flag_account_blocked 1
CATCH select_language flag_language_set 0
CATCH terms flag_account_created 0
CATCH create_pin flag_pin_set 0
LOAD check_account_status 0
LOAD check_account_status 40
RELOAD check_account_status
CATCH api_failure flag_api_call_error 1
CATCH account_pending flag_account_pending 1

View File

@ -1,2 +1 @@
Select number or symbol from your vouchers:
{{.get_vouchers}}

View File

@ -1,2 +0,0 @@
Chagua nambari au ishara kutoka kwa salio zako:
{{.get_vouchers}}

View File

@ -1 +1 @@
Send M-Pesa
Top-up

View File

@ -93,6 +93,8 @@ const (
DATA_SEND_TRANSACTION_TYPE
// Holds the recipient formatted phone number
DATA_RECIPIENT_PHONE_NUMBER
// Currently active swap from balance for the swap
DATA_ACTIVE_SWAP_FROM_BALANCE
)
const (
@ -104,7 +106,14 @@ const (
DATA_VOUCHER_DECIMALS
// List of voucher EVM addresses for vouchers valid in the user context.
DATA_VOUCHER_ADDRESSES
// List of senders for valid transactions in the user context.
// List of ordered voucher symbols in the user context.
DATA_ORDERED_VOUCHER_SYMBOLS
// List of ordered voucher balances in the user context.
DATA_ORDERED_VOUCHER_BALANCES
// List of ordered voucher decimals in the user context.
DATA_ORDERED_VOUCHER_DECIMALS
// List of ordered voucher EVM addresses in the user context.
DATA_ORDERED_VOUCHER_ADDRESSES
)
const (

View File

@ -18,6 +18,7 @@ type SwapData struct {
ActiveSwapFromAddress string
ActiveSwapToSym string
ActiveSwapToAddress string
ActiveSwapToDecimal string
}
type SwapPreviewData struct {
@ -43,6 +44,7 @@ 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()
@ -187,3 +189,50 @@ func UpdateSwapToVoucherData(ctx context.Context, store DataStore, sessionId str
return nil
}
// UpdateSwapFromVoucherData updates the active swap from voucher data in the DataStore.
func UpdateSwapFromVoucherData(ctx context.Context, store DataStore, sessionId string, data *dataserviceapi.TokenHoldings) error {
logg.InfoCtxf(ctx, "UpdateSwapFromVoucherData", "data", data)
// Active swap to voucher data entries
activeEntries := map[storedb.DataTyp][]byte{
storedb.DATA_ACTIVE_SWAP_FROM_SYM: []byte(data.TokenSymbol),
storedb.DATA_ACTIVE_SWAP_FROM_DECIMAL: []byte(data.TokenDecimals),
storedb.DATA_ACTIVE_SWAP_FROM_ADDRESS: []byte(data.TokenAddress),
storedb.DATA_ACTIVE_SWAP_FROM_BALANCE: []byte(data.Balance),
}
// Write active data
for key, value := range activeEntries {
if err := store.WriteEntry(ctx, sessionId, key, value); err != nil {
return err
}
}
return nil
}
// ReadSwapFromVoucher retrieves the voucher being swapped into the pool (swap from)
func ReadSwapFromVoucher(ctx context.Context, store DataStore, sessionId string) (*dataserviceapi.TokenHoldings, error) {
keys := []storedb.DataTyp{
storedb.DATA_ACTIVE_SWAP_FROM_SYM,
storedb.DATA_ACTIVE_SWAP_FROM_DECIMAL,
storedb.DATA_ACTIVE_SWAP_FROM_ADDRESS,
storedb.DATA_ACTIVE_SWAP_FROM_BALANCE,
}
data := make(map[storedb.DataTyp]string)
for _, key := range keys {
value, err := store.ReadEntry(ctx, sessionId, key)
if err != nil {
return nil, fmt.Errorf("failed to get data key %x: %v", key, err)
}
data[key] = string(value)
}
return &dataserviceapi.TokenHoldings{
TokenSymbol: data[storedb.DATA_ACTIVE_SWAP_FROM_SYM],
Balance: data[storedb.DATA_ACTIVE_SWAP_FROM_BALANCE],
TokenDecimals: data[storedb.DATA_ACTIVE_SWAP_FROM_DECIMAL],
TokenAddress: data[storedb.DATA_ACTIVE_SWAP_FROM_ADDRESS],
}, nil
}

View File

@ -120,6 +120,43 @@ func GetVoucherData(ctx context.Context, store DataStore, sessionId string, inpu
}, nil
}
// GetOrderedVoucherData retrieves and matches ordered voucher data
func GetOrderedVoucherData(ctx context.Context, store DataStore, sessionId string, input string) (*dataserviceapi.TokenHoldings, error) {
keys := []storedb.DataTyp{
storedb.DATA_ORDERED_VOUCHER_SYMBOLS,
storedb.DATA_ORDERED_VOUCHER_BALANCES,
storedb.DATA_ORDERED_VOUCHER_DECIMALS,
storedb.DATA_ORDERED_VOUCHER_ADDRESSES,
}
data := make(map[storedb.DataTyp]string)
for _, key := range keys {
value, err := store.ReadEntry(ctx, sessionId, key)
if err != nil {
return nil, fmt.Errorf("failed to get data key %x: %v", key, err)
}
data[key] = string(value)
}
symbol, balance, decimal, address := MatchVoucher(input,
data[storedb.DATA_ORDERED_VOUCHER_SYMBOLS],
data[storedb.DATA_ORDERED_VOUCHER_BALANCES],
data[storedb.DATA_ORDERED_VOUCHER_DECIMALS],
data[storedb.DATA_ORDERED_VOUCHER_ADDRESSES],
)
if symbol == "" {
return nil, nil
}
return &dataserviceapi.TokenHoldings{
TokenSymbol: string(symbol),
Balance: string(balance),
TokenDecimals: string(decimal),
TokenAddress: string(address),
}, nil
}
// MatchVoucher finds the matching voucher symbol, balance, decimals and contract address based on the input.
func MatchVoucher(input, symbols, balances, decimals, addresses string) (symbol, balance, decimal, address string) {
symList := strings.Split(symbols, "\n")
@ -225,3 +262,46 @@ 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
}