120 lines
3.7 KiB
Go
120 lines
3.7 KiB
Go
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 := []DataTyp{DATA_TX_SENDERS, DATA_TX_RECIPIENTS, DATA_TX_VALUES, DATA_TX_ADDRESSES, DATA_TX_HASHES, DATA_TX_DATES, DATA_TX_SYMBOLS}
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data := make(map[DataTyp]string)
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for _, key := range keys {
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value, err := db.Get(ctx, ToBytes(key))
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if err != nil {
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return "", fmt.Errorf("failed to get %s: %v", ToBytes(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[DATA_TX_SENDERS]), "\n")
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recipients := strings.Split(string(data[DATA_TX_RECIPIENTS]), "\n")
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values := strings.Split(string(data[DATA_TX_VALUES]), "\n")
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addresses := strings.Split(string(data[DATA_TX_ADDRESSES]), "\n")
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hashes := strings.Split(string(data[DATA_TX_HASHES]), "\n")
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dates := strings.Split(string(data[DATA_TX_DATES]), "\n")
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syms := strings.Split(string(data[DATA_TX_SYMBOLS]), "\n")
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// Check if index is within range
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if index < 1 || index > len(senders) {
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return "", fmt.Errorf("transaction not found: index %d out of range", index)
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}
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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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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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