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35 lines
593 B
Go
35 lines
593 B
Go
package utils
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import (
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"regexp"
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"strconv"
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"github.com/pkg/errors"
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)
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/**
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* 1. May be an integer (no decimal components)
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* 2. May be float with up to 8 decimal places
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*/
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func ValidateAmountFormat(amount string) error {
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// Check whether it's an integer, or a float with max 8 digits
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match, err := regexp.MatchString("^\\d{1,19}(.\\d{0,8})?$", amount)
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if !match {
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return errors.Errorf("Invalid send amount")
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}
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if err != nil {
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return err
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}
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// If it parses properly, then this is valid
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_, err = strconv.ParseFloat(amount, 64)
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if err != nil {
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return err
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}
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return nil
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}
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