forked from urdt/ussd
55 lines
1.2 KiB
Go
55 lines
1.2 KiB
Go
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package common
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import (
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"context"
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"math/big"
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"strconv"
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)
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func ParseAndScaleAmount(storedAmount, activeDecimal []byte) (string, error) {
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// Parse token decimal
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tokenDecimal, err := strconv.Atoi(string(activeDecimal))
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if err != nil {
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return "", err
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}
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// Parse amount
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amount, _, err := big.ParseFloat(string(storedAmount), 10, 0, big.ToZero)
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if err != nil {
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return "", err
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}
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// Scale the amount
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multiplier := new(big.Float).SetInt(new(big.Int).Exp(big.NewInt(10), big.NewInt(int64(tokenDecimal)), nil))
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finalAmount := new(big.Float).Mul(amount, multiplier)
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// Convert finalAmount to a string
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finalAmountStr := new(big.Int)
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finalAmount.Int(finalAmountStr)
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return finalAmountStr.String(), nil
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}
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func ReadTransactionData(ctx context.Context, store DataStore, sessionId string) (map[DataTyp][]byte, error) {
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dataKeys := []DataTyp{
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DATA_TEMPORARY_VALUE,
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DATA_ACTIVE_SYM,
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DATA_AMOUNT,
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DATA_PUBLIC_KEY,
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DATA_RECIPIENT,
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DATA_ACTIVE_DECIMAL,
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DATA_ACTIVE_ADDRESS,
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}
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data := make(map[DataTyp][]byte)
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for _, key := range dataKeys {
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value, err := store.ReadEntry(ctx, sessionId, key)
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if err != nil {
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return nil, err
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}
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data[key] = value
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}
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return data, nil
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}
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