added poolswap.go for pool swap functionality

This commit is contained in:
Alfred Kamanda 2025-07-01 01:53:03 +03:00
parent a9e0aebdde
commit 9722df1149
Signed by: Alfred-mk
GPG Key ID: 7EA3D01708908703
2 changed files with 427 additions and 413 deletions

View File

@ -2309,416 +2309,3 @@ func (h *MenuHandlers) ClearTemporaryValue(ctx context.Context, sym string, inpu
}
return res, nil
}
// GetPools fetches a list of 5 top pools
func (h *MenuHandlers) GetPools(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
flag_api_error, _ := h.flagManager.GetFlag("flag_api_error")
// call the api to get a list of top 5 pools sorted by swaps
topPools, err := h.accountService.FetchTopPools(ctx)
if err != nil {
res.FlagSet = append(res.FlagSet, flag_api_error)
logg.ErrorCtxf(ctx, "failed on FetchTransactions", "error", err)
return res, err
}
// Return if there are no pools
if len(topPools) == 0 {
return res, nil
}
data := store.ProcessPools(topPools)
// Store all Pool data
dataMap := map[storedb.DataTyp]string{
storedb.DATA_POOL_NAMES: data.PoolNames,
storedb.DATA_POOL_SYMBOLS: data.PoolSymbols,
storedb.DATA_POOL_ADDRESSES: data.PoolContractAdrresses,
}
// 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
}
}
res.Content = h.ReplaceSeparatorFunc(data.PoolSymbols)
return res, nil
}
// LoadSwapFromList returns a list of possible vouchers to swap to
func (h *MenuHandlers) LoadSwapToList(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
// get the active address and symbol
activeAddress, err := userStore.ReadEntry(ctx, sessionId, storedb.DATA_ACTIVE_ADDRESS)
if err != nil {
logg.ErrorCtxf(ctx, "failed to read activeAddress entry with", "key", storedb.DATA_ACTIVE_ADDRESS, "error", err)
return res, err
}
activeSym, err := userStore.ReadEntry(ctx, sessionId, storedb.DATA_ACTIVE_SYM)
if err != nil {
logg.ErrorCtxf(ctx, "failed to read activeSym entry with", "key", storedb.DATA_ACTIVE_SYM, "error", err)
return res, err
}
code := codeFromCtx(ctx)
l := gotext.NewLocale(translationDir, code)
l.AddDomain("default")
flag_incorrect_voucher, _ := h.flagManager.GetFlag("flag_incorrect_voucher")
flag_api_error, _ := h.flagManager.GetFlag("flag_api_error")
inputStr := string(input)
if inputStr == "0" {
return res, nil
}
// Get active pool address and symbol or fall back to default
var activePoolAddress []byte
activePoolAddress, err = userStore.ReadEntry(ctx, sessionId, storedb.DATA_ACTIVE_POOL_ADDRESS)
if err != nil {
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
}
}
var activePoolSymbol []byte
activePoolSymbol, err = userStore.ReadEntry(ctx, sessionId, storedb.DATA_ACTIVE_POOL_SYM)
if err != nil {
if db.IsNotFound(err) {
defaultPoolSym := config.DefaultPoolName()
// store the default as the active pool symbol
err = userStore.WriteEntry(ctx, sessionId, storedb.DATA_ACTIVE_POOL_SYM, []byte(defaultPoolSym))
if err != nil {
logg.ErrorCtxf(ctx, "failed to write default Pool Symbol", "key", storedb.DATA_ACTIVE_POOL_SYM, "value", defaultPoolSym, "error", err)
return res, err
}
activePoolSymbol = []byte(defaultPoolSym)
} else {
logg.ErrorCtxf(ctx, "failed to read active Pool symbol", "key", storedb.DATA_ACTIVE_POOL_SYM, "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, 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", string(activePoolAddress), "active_symbol_address", string(activeAddress))
if !r.CanSwapFrom {
res.FlagSet = append(res.FlagSet, flag_incorrect_voucher)
res.Content = l.Get(
"%s is not in %s. Please update your voucher and try again.",
activeSym,
activePoolSymbol,
)
return res, nil
}
res.FlagReset = append(res.FlagReset, flag_incorrect_voucher)
// 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)
return res, err
}
logg.InfoCtxf(ctx, "GetPoolSwappableVouchers", "swapToList", swapToList)
// Return if there are no vouchers
if len(swapToList) == 0 {
return res, nil
}
data := store.ProcessVouchers(swapToList)
logg.InfoCtxf(ctx, "ProcessVouchers", "data", 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,
storedb.DATA_POOL_TO_DECIMALS: data.Decimals,
storedb.DATA_POOL_TO_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
}
}
res.Content = h.ReplaceSeparatorFunc(data.Symbols)
return res, nil
}
// SwapMaxLimit returns the max FROM token
// check if max/tokenDecimals > 0.1 for UX purposes and to prevent swapping of dust values
func (h *MenuHandlers) SwapMaxLimit(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_incorrect_voucher, _ := h.flagManager.GetFlag("flag_incorrect_voucher")
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, flag_low_swap_amount)
inputStr := string(input)
if inputStr == "0" {
return res, nil
}
userStore := h.userdataStore
metadata, err := store.GetSwapToVoucherData(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
}
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, ActiveSwapFromAddress, ActiveSwapToAddress and PublicKey to get the swap max limit
logg.InfoCtxf(ctx, "Call GetSwapFromTokenMaxLimit with:", "ActivePoolAddress", swapData.ActivePoolAddress, "ActiveSwapFromAddress", swapData.ActiveSwapFromAddress, "ActiveSwapToAddress", swapData.ActiveSwapToAddress, "publicKey", swapData.PublicKey)
r, err := h.accountService.GetSwapFromTokenMaxLimit(ctx, swapData.ActivePoolAddress, swapData.ActiveSwapFromAddress, swapData.ActiveSwapToAddress, swapData.PublicKey)
if err != nil {
res.FlagSet = append(res.FlagSet, flag_api_error)
logg.ErrorCtxf(ctx, "failed on GetSwapFromTokenMaxLimit", "error", err)
return res, err
}
// Scale down the amount
maxAmountStr := store.ScaleDownBalance(r.Max, swapData.ActiveSwapFromDecimal)
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 := fmt.Sprintf("%.2f", maxAmountFloat)
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 = fmt.Sprintf(
"Maximum: %s\n\nEnter amount of %s to swap for %s:",
maxStr, swapData.ActiveSwapFromSym, swapData.ActiveSwapToSym,
)
return res, nil
}
// SwapPreview displays the swap preview and estimates
func (h *MenuHandlers) SwapPreview(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
}
// Format the amount to 2 decimal places
formattedAmount, err := store.TruncateDecimalString(inputStr, 2)
if err != nil {
res.FlagSet = append(res.FlagSet, flag_invalid_amount)
res.Content = inputStr
return res, nil
}
finalAmountStr, err := store.ParseAndScaleAmount(formattedAmount, swapData.ActiveSwapFromDecimal)
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 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)
if err != nil {
flag_api_error, _ := h.flagManager.GetFlag("flag_api_call_error")
res.FlagSet = append(res.FlagSet, flag_api_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)
qouteAmount, err := strconv.ParseFloat(quoteAmountStr, 64)
if err != nil {
logg.ErrorCtxf(ctx, "failed to parse quoteAmountStr as float", "value", quoteAmountStr, "error", err)
return res, err
}
// Format to 2 decimal places
qouteStr := fmt.Sprintf("%.2f", qouteAmount)
res.Content = fmt.Sprintf(
"You will swap:\n%s %s for %s %s:",
inputStr, swapData.ActiveSwapFromSym, qouteStr, swapData.ActiveSwapToSym,
)
return res, nil
}
// InitiateSwap calls the poolSwap and returns a confirmation based on the result.
func (h *MenuHandlers) InitiateSwap(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
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.ActiveSwapFromAddress, swapData.ActivePoolAddress, swapData.ActiveSwapToAddress)
if err != nil {
flag_api_error, _ := h.flagManager.GetFlag("flag_api_call_error")
res.FlagSet = append(res.FlagSet, flag_api_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 %s %s has been swapped for %s.",
swapData.TemporaryValue,
swapData.ActiveSwapFromSym,
swapData.ActiveSwapToSym,
)
res.FlagReset = append(res.FlagReset, flag_account_authorized)
return res, nil
}

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@ -0,0 +1,427 @@
package application
import (
"context"
"fmt"
"strconv"
"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"
"gopkg.in/leonelquinteros/gotext.v1"
)
// GetPools fetches a list of 5 top pools
func (h *MenuHandlers) GetPools(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
flag_api_error, _ := h.flagManager.GetFlag("flag_api_error")
// call the api to get a list of top 5 pools sorted by swaps
topPools, err := h.accountService.FetchTopPools(ctx)
if err != nil {
res.FlagSet = append(res.FlagSet, flag_api_error)
logg.ErrorCtxf(ctx, "failed on FetchTransactions", "error", err)
return res, err
}
// Return if there are no pools
if len(topPools) == 0 {
return res, nil
}
data := store.ProcessPools(topPools)
// Store all Pool data
dataMap := map[storedb.DataTyp]string{
storedb.DATA_POOL_NAMES: data.PoolNames,
storedb.DATA_POOL_SYMBOLS: data.PoolSymbols,
storedb.DATA_POOL_ADDRESSES: data.PoolContractAdrresses,
}
// 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
}
}
res.Content = h.ReplaceSeparatorFunc(data.PoolSymbols)
return res, nil
}
// LoadSwapFromList returns a list of possible vouchers to swap to
func (h *MenuHandlers) LoadSwapToList(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
// get the active address and symbol
activeAddress, err := userStore.ReadEntry(ctx, sessionId, storedb.DATA_ACTIVE_ADDRESS)
if err != nil {
logg.ErrorCtxf(ctx, "failed to read activeAddress entry with", "key", storedb.DATA_ACTIVE_ADDRESS, "error", err)
return res, err
}
activeSym, err := userStore.ReadEntry(ctx, sessionId, storedb.DATA_ACTIVE_SYM)
if err != nil {
logg.ErrorCtxf(ctx, "failed to read activeSym entry with", "key", storedb.DATA_ACTIVE_SYM, "error", err)
return res, err
}
code := codeFromCtx(ctx)
l := gotext.NewLocale(translationDir, code)
l.AddDomain("default")
flag_incorrect_voucher, _ := h.flagManager.GetFlag("flag_incorrect_voucher")
flag_api_error, _ := h.flagManager.GetFlag("flag_api_error")
inputStr := string(input)
if inputStr == "0" {
return res, nil
}
// Get active pool address and symbol or fall back to default
var activePoolAddress []byte
activePoolAddress, err = userStore.ReadEntry(ctx, sessionId, storedb.DATA_ACTIVE_POOL_ADDRESS)
if err != nil {
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
}
}
var activePoolSymbol []byte
activePoolSymbol, err = userStore.ReadEntry(ctx, sessionId, storedb.DATA_ACTIVE_POOL_SYM)
if err != nil {
if db.IsNotFound(err) {
defaultPoolSym := config.DefaultPoolName()
// store the default as the active pool symbol
err = userStore.WriteEntry(ctx, sessionId, storedb.DATA_ACTIVE_POOL_SYM, []byte(defaultPoolSym))
if err != nil {
logg.ErrorCtxf(ctx, "failed to write default Pool Symbol", "key", storedb.DATA_ACTIVE_POOL_SYM, "value", defaultPoolSym, "error", err)
return res, err
}
activePoolSymbol = []byte(defaultPoolSym)
} else {
logg.ErrorCtxf(ctx, "failed to read active Pool symbol", "key", storedb.DATA_ACTIVE_POOL_SYM, "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, 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", string(activePoolAddress), "active_symbol_address", string(activeAddress))
if !r.CanSwapFrom {
res.FlagSet = append(res.FlagSet, flag_incorrect_voucher)
res.Content = l.Get(
"%s is not in %s. Please update your voucher and try again.",
activeSym,
activePoolSymbol,
)
return res, nil
}
res.FlagReset = append(res.FlagReset, flag_incorrect_voucher)
// 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)
return res, err
}
logg.InfoCtxf(ctx, "GetPoolSwappableVouchers", "swapToList", swapToList)
// Return if there are no vouchers
if len(swapToList) == 0 {
return res, nil
}
data := store.ProcessVouchers(swapToList)
logg.InfoCtxf(ctx, "ProcessVouchers", "data", 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,
storedb.DATA_POOL_TO_DECIMALS: data.Decimals,
storedb.DATA_POOL_TO_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
}
}
res.Content = h.ReplaceSeparatorFunc(data.Symbols)
return res, nil
}
// SwapMaxLimit returns the max FROM token
// check if max/tokenDecimals > 0.1 for UX purposes and to prevent swapping of dust values
func (h *MenuHandlers) SwapMaxLimit(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_incorrect_voucher, _ := h.flagManager.GetFlag("flag_incorrect_voucher")
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, flag_low_swap_amount)
inputStr := string(input)
if inputStr == "0" {
return res, nil
}
userStore := h.userdataStore
metadata, err := store.GetSwapToVoucherData(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
}
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, ActiveSwapFromAddress, ActiveSwapToAddress and PublicKey to get the swap max limit
logg.InfoCtxf(ctx, "Call GetSwapFromTokenMaxLimit with:", "ActivePoolAddress", swapData.ActivePoolAddress, "ActiveSwapFromAddress", swapData.ActiveSwapFromAddress, "ActiveSwapToAddress", swapData.ActiveSwapToAddress, "publicKey", swapData.PublicKey)
r, err := h.accountService.GetSwapFromTokenMaxLimit(ctx, swapData.ActivePoolAddress, swapData.ActiveSwapFromAddress, swapData.ActiveSwapToAddress, swapData.PublicKey)
if err != nil {
res.FlagSet = append(res.FlagSet, flag_api_error)
logg.ErrorCtxf(ctx, "failed on GetSwapFromTokenMaxLimit", "error", err)
return res, err
}
// Scale down the amount
maxAmountStr := store.ScaleDownBalance(r.Max, swapData.ActiveSwapFromDecimal)
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 := fmt.Sprintf("%.2f", maxAmountFloat)
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 = fmt.Sprintf(
"Maximum: %s\n\nEnter amount of %s to swap for %s:",
maxStr, swapData.ActiveSwapFromSym, swapData.ActiveSwapToSym,
)
return res, nil
}
// SwapPreview displays the swap preview and estimates
func (h *MenuHandlers) SwapPreview(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
}
// Format the amount to 2 decimal places
formattedAmount, err := store.TruncateDecimalString(inputStr, 2)
if err != nil {
res.FlagSet = append(res.FlagSet, flag_invalid_amount)
res.Content = inputStr
return res, nil
}
finalAmountStr, err := store.ParseAndScaleAmount(formattedAmount, swapData.ActiveSwapFromDecimal)
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 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)
if err != nil {
flag_api_error, _ := h.flagManager.GetFlag("flag_api_call_error")
res.FlagSet = append(res.FlagSet, flag_api_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)
qouteAmount, err := strconv.ParseFloat(quoteAmountStr, 64)
if err != nil {
logg.ErrorCtxf(ctx, "failed to parse quoteAmountStr as float", "value", quoteAmountStr, "error", err)
return res, err
}
// Format to 2 decimal places
qouteStr := fmt.Sprintf("%.2f", qouteAmount)
res.Content = fmt.Sprintf(
"You will swap:\n%s %s for %s %s:",
inputStr, swapData.ActiveSwapFromSym, qouteStr, swapData.ActiveSwapToSym,
)
return res, nil
}
// InitiateSwap calls the poolSwap and returns a confirmation based on the result.
func (h *MenuHandlers) InitiateSwap(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
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.ActiveSwapFromAddress, swapData.ActivePoolAddress, swapData.ActiveSwapToAddress)
if err != nil {
flag_api_error, _ := h.flagManager.GetFlag("flag_api_call_error")
res.FlagSet = append(res.FlagSet, flag_api_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 %s %s has been swapped for %s.",
swapData.TemporaryValue,
swapData.ActiveSwapFromSym,
swapData.ActiveSwapToSym,
)
res.FlagReset = append(res.FlagReset, flag_account_authorized)
return res, nil
}