forked from urdt/ussd
added transactions functions
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bfcdd79f33
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1d82bc2261
GPG Key ID:
7EA3D01708908703
115
common/transfer_statements.go
Normal file
115
common/transfer_statements.go
Normal file
@ -0,0 +1,115 @@
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package common
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import (
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"context"
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"fmt"
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"strings"
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"time"
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"git.grassecon.net/urdt/ussd/internal/storage"
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dataserviceapi "github.com/grassrootseconomics/ussd-data-service/pkg/api"
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)
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// TransferMetadata helps organize data fields
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type TransferMetadata struct {
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Senders string
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Recipients string
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TransferValues string
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Addresses string
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TxHashes string
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Dates string
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Symbols string
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Decimals string
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}
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// ProcessTransfers converts transfers into formatted strings
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func ProcessTransfers(transfers []dataserviceapi.Last10TxResponse) TransferMetadata {
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var data TransferMetadata
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var senders, recipients, transferValues, addresses, txHashes, dates, symbols, decimals []string
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for _, t := range transfers {
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senders = append(senders, t.Sender)
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recipients = append(recipients, t.Recipient)
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// Scale down the amount
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scaledBalance := ScaleDownBalance(t.TransferValue, t.TokenDecimals)
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transferValues = append(transferValues, scaledBalance)
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addresses = append(addresses, t.ContractAddress)
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txHashes = append(txHashes, t.TxHash)
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dates = append(dates, fmt.Sprintf("%s", t.DateBlock))
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symbols = append(symbols, t.TokenSymbol)
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decimals = append(decimals, t.TokenDecimals)
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}
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data.Senders = strings.Join(senders, "\n")
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data.Recipients = strings.Join(recipients, "\n")
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data.TransferValues = strings.Join(transferValues, "\n")
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data.Addresses = strings.Join(addresses, "\n")
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data.TxHashes = strings.Join(txHashes, "\n")
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data.Dates = strings.Join(dates, "\n")
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data.Symbols = strings.Join(symbols, "\n")
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data.Decimals = strings.Join(decimals, "\n")
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return data
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}
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// GetTransferData retrieves and matches transfer data
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// returns a formatted string of the full transaction/statement
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func GetTransferData(ctx context.Context, db storage.PrefixDb, publicKey string, index int) (string, error) {
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keys := []string{"txfrom", "txto", "txval", "txaddr", "txhash", "txdate", "txsym"}
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data := make(map[string]string)
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for _, key := range keys {
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value, err := db.Get(ctx, []byte(key))
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if err != nil {
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return "", fmt.Errorf("failed to get %s: %v", key, err)
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}
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data[key] = string(value)
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}
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// Split the data
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senders := strings.Split(string(data["txfrom"]), "\n")
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recipients := strings.Split(string(data["txto"]), "\n")
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values := strings.Split(string(data["txval"]), "\n")
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addresses := strings.Split(string(data["txaddr"]), "\n")
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hashes := strings.Split(string(data["txhash"]), "\n")
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dates := strings.Split(string(data["txdate"]), "\n")
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syms := strings.Split(string(data["txsym"]), "\n")
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// Adjust for 0-based indexing
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i := index - 1
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transactionType := "received"
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party := fmt.Sprintf("from: %s", strings.TrimSpace(senders[i]))
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if strings.TrimSpace(senders[i]) == publicKey {
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transactionType = "sent"
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party = fmt.Sprintf("to: %s", strings.TrimSpace(recipients[i]))
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}
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formattedDate := formatDate(strings.TrimSpace(dates[i]))
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// Build the full transaction detail
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detail := fmt.Sprintf(
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"%s %s %s\n%s\ncontract address: %s\ntxhash: %s\ndate: %s",
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transactionType,
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strings.TrimSpace(values[i]),
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strings.TrimSpace(syms[i]),
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party,
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strings.TrimSpace(addresses[i]),
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strings.TrimSpace(hashes[i]),
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formattedDate,
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)
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return detail, nil
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}
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// Helper function to format date in desired output
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func formatDate(dateStr string) string {
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fmt.Println(dateStr)
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parsedDate, err := time.Parse("2006-01-02 15:04:05 -0700 MST", dateStr)
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if err != nil {
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fmt.Println("Error parsing date:", err)
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return ""
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}
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return parsedDate.Format("2006-01-02 03:04:05 PM")
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}
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@ -118,7 +118,9 @@ func (ls *LocalHandlerService) GetHandler(accountService remote.AccountServiceIn
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ls.DbRs.AddLocalFunc("reset_others_pin", ussdHandlers.ResetOthersPin)
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ls.DbRs.AddLocalFunc("save_others_temporary_pin", ussdHandlers.SaveOthersTemporaryPin)
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ls.DbRs.AddLocalFunc("get_current_profile_info", ussdHandlers.GetCurrentProfileInfo)
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ls.DbRs.AddLocalFunc("get_transactions", ussdHandlers.GetTransactions)
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ls.DbRs.AddLocalFunc("check_transactions", ussdHandlers.CheckTransactions)
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ls.DbRs.AddLocalFunc("get_transactions", ussdHandlers.GetTransactionsList)
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ls.DbRs.AddLocalFunc("view_statement", ussdHandlers.ViewTransactionStatement)
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return ussdHandlers, nil
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}
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@ -1634,11 +1634,171 @@ func (h *Handlers) GetVoucherDetails(ctx context.Context, sym string, input []by
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return res, nil
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}
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// GetTransactions retrieves the transactions from the API using the "PublicKey"
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func (h *Handlers) GetTransactions(ctx context.Context, sym string, input []byte) (resource.Result, error) {
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// CheckTransactions retrieves the transactions from the API using the "PublicKey" and stores to prefixDb
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func (h *Handlers) CheckTransactions(ctx context.Context, sym string, input []byte) (resource.Result, error) {
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var res resource.Result
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sessionId, ok := ctx.Value("SessionId").(string)
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if !ok {
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return res, fmt.Errorf("missing session")
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}
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res.Content = "Transaction list"
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flag_no_transfers, _ := h.flagManager.GetFlag("flag_no_transfers")
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flag_api_error, _ := h.flagManager.GetFlag("flag_api_error")
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store := h.userdataStore
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publicKey, err := store.ReadEntry(ctx, sessionId, common.DATA_PUBLIC_KEY)
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if err != nil {
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logg.ErrorCtxf(ctx, "failed to read publicKey entry with", "key", common.DATA_PUBLIC_KEY, "error", err)
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return res, err
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}
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// Fetch transactions from the API using the public key
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transactionsResp, err := h.accountService.FetchTransactions(ctx, string(publicKey))
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if err != nil {
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res.FlagSet = append(res.FlagSet, flag_api_error)
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logg.ErrorCtxf(ctx, "failed on FetchTransactions", "error", err)
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return res, err
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}
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// Return if there are no transactions
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if len(transactionsResp) == 0 {
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res.FlagSet = append(res.FlagSet, flag_no_transfers)
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return res, nil
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}
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data := common.ProcessTransfers(transactionsResp)
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// Store all transaction data
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dataMap := map[string]string{
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"txfrom": data.Senders,
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"txto": data.Recipients,
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"txval": data.TransferValues,
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"txaddr": data.Addresses,
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"txhash": data.TxHashes,
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"txdate": data.Dates,
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"txsym": data.Symbols,
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"txdeci": data.Decimals,
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}
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for key, value := range dataMap {
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if err := h.prefixDb.Put(ctx, []byte(key), []byte(value)); err != nil {
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logg.ErrorCtxf(ctx, "failed to write to prefixDb", "error", err)
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return res, err
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}
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}
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res.FlagReset = append(res.FlagReset, flag_no_transfers)
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return res, nil
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}
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// GetTransactionsList fetches the list of transactions and formats them
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func (h *Handlers) GetTransactionsList(ctx context.Context, sym string, input []byte) (resource.Result, error) {
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var res resource.Result
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sessionId, ok := ctx.Value("SessionId").(string)
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if !ok {
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return res, fmt.Errorf("missing session")
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}
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store := h.userdataStore
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publicKey, err := store.ReadEntry(ctx, sessionId, common.DATA_PUBLIC_KEY)
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if err != nil {
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logg.ErrorCtxf(ctx, "failed to read publicKey entry with", "key", common.DATA_PUBLIC_KEY, "error", err)
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return res, err
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}
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// Read transactions from the store and format them
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TransactionSenders, err := h.prefixDb.Get(ctx, []byte("txfrom"))
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if err != nil {
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logg.ErrorCtxf(ctx, "Failed to read the TransactionSenders from prefixDb", "error", err)
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return res, err
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}
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TransactionSyms, err := h.prefixDb.Get(ctx, []byte("txsym"))
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if err != nil {
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logg.ErrorCtxf(ctx, "Failed to read the TransactionSyms from prefixDb", "error", err)
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return res, err
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}
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TransactionValues, err := h.prefixDb.Get(ctx, []byte("txval"))
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if err != nil {
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logg.ErrorCtxf(ctx, "Failed to read the TransactionValues from prefixDb", "error", err)
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return res, err
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}
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TransactionDates, err := h.prefixDb.Get(ctx, []byte("txdate"))
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if err != nil {
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logg.ErrorCtxf(ctx, "Failed to read the TransactionDates from prefixDb", "error", err)
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return res, err
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}
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// Parse the data
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senders := strings.Split(string(TransactionSenders), "\n")
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syms := strings.Split(string(TransactionSyms), "\n")
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values := strings.Split(string(TransactionValues), "\n")
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dates := strings.Split(string(TransactionDates), "\n")
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var formattedTransactions []string
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for i := 0; i < len(senders); i++ {
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sender := strings.TrimSpace(senders[i])
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sym := strings.TrimSpace(syms[i])
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value := strings.TrimSpace(values[i])
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date := strings.Split(strings.TrimSpace(dates[i]), " ")[0]
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status := "received"
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if sender == string(publicKey) {
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status = "sent"
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}
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formattedTransactions = append(formattedTransactions, fmt.Sprintf("%d:%s %s %s %s", i+1, status, value, sym, date))
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}
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res.Content = strings.Join(formattedTransactions, "\n")
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return res, nil
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}
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// ViewTransactionStatement retrieves the token holding and balance from the subprefixDB
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// and displays it to the user for them to select it
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func (h *Handlers) ViewTransactionStatement(ctx context.Context, sym string, input []byte) (resource.Result, error) {
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var res resource.Result
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sessionId, ok := ctx.Value("SessionId").(string)
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if !ok {
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return res, fmt.Errorf("missing session")
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}
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store := h.userdataStore
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publicKey, err := store.ReadEntry(ctx, sessionId, common.DATA_PUBLIC_KEY)
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if err != nil {
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logg.ErrorCtxf(ctx, "failed to read publicKey entry with", "key", common.DATA_PUBLIC_KEY, "error", err)
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return res, err
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}
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flag_incorrect_statement, _ := h.flagManager.GetFlag("flag_incorrect_statement")
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inputStr := string(input)
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if inputStr == "0" || inputStr == "99" || inputStr == "11" || inputStr == "22" {
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res.FlagReset = append(res.FlagReset, flag_incorrect_statement)
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return res, nil
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}
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// Convert input string to integer
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index, err := strconv.Atoi(strings.TrimSpace(inputStr))
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if err != nil {
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return res, fmt.Errorf("invalid input: must be a number between 1 and 10")
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}
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if index < 1 || index > 10 {
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return res, fmt.Errorf("invalid input: index must be between 1 and 10")
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}
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statement, err := common.GetTransferData(ctx, h.prefixDb, string(publicKey), index)
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if err != nil {
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return res, fmt.Errorf("failed to retrieve transfer data: %v", err)
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}
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if statement == "" {
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res.FlagSet = append(res.FlagSet, flag_incorrect_statement)
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return res, nil
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}
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res.FlagReset = append(res.FlagReset, flag_incorrect_statement)
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res.Content = statement
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return res, nil
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}
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