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Fix validate amount regex

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This commit is contained in:
coderofstuff 2023-09-22 08:45:26 -06:00
parent 205573d217
commit 97c7e8e9e4
2 changed files with 15 additions and 11 deletions
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10
cmd/kaspawallet/utils/validate_amount.go
View File

@ -2,7 +2,6 @@ package utils
import ( import (
"regexp" "regexp"
"strconv"
"github.com/pkg/errors" "github.com/pkg/errors"
) )
@ -13,7 +12,7 @@ import (
*/ */
func ValidateAmountFormat(amount string) error { func ValidateAmountFormat(amount string) error {
// Check whether it's an integer, or a float with max 8 digits // Check whether it's an integer, or a float with max 8 digits
match, err := regexp.MatchString("^\\d{1,19}(.\\d{0,8})?$", amount) match, err := regexp.MatchString("^([1-9]\\d{0,11}|0)(\\.\\d{0,8})?$", amount)
if !match { if !match {
return errors.Errorf("Invalid send amount") return errors.Errorf("Invalid send amount")
@ -23,12 +22,5 @@ func ValidateAmountFormat(amount string) error {
return err return err
} }
// If it parses properly, then this is valid
_, err = strconv.ParseFloat(amount, 64)
if err != nil {
return err
}
return nil return nil
} }

12
cmd/kaspawallet/utils/validate_amount_test.go
View File

@ -11,6 +11,10 @@ func TestValidateAmountFormat(t *testing.T) {
"1.0", "1.0",
"0.1", "0.1",
"0.12345678", "0.12345678",
"111111111111.11111111", // 12 digits to the left of decimal, 8 digits to the right
"184467440737.09551615", // Maximum input that can be represented in sompi later
"184467440737.09551616", // Cannot be represented in sompi, but we'll acccept for "correct format"
"999999999999.99999999", // Cannot be represented in sompi, but we'll acccept for "correct format"
} }
for _, testCase := range validCases { for _, testCase := range validCases {
@ -27,6 +31,14 @@ func TestValidateAmountFormat(t *testing.T) {
"-1", "-1",
"0.123456789", // 9 decimal digits "0.123456789", // 9 decimal digits
".1", // decimal but no integer component ".1", // decimal but no integer component
"0a", // Extra character
"0000000000000", // 13 zeros
"012", // Int padded with zero
"00.1", // Decimal padded with zeros
"111111111111111111111", // all digits
"111111111111A11111111", // non-period/non-digit where decimal would be
"000000000000.00000000", // all zeros
"kaspa", // all text
} }
for _, testCase := range invalidCases { for _, testCase := range invalidCases {