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package ethrpc
import (
"fmt"
"math/big"
"strconv"
"strings"
)
// ParseInt parse hex string value to int
func ParseInt(value string) (int, error) {
i, err := strconv.ParseInt(strings.TrimPrefix(value, "0x"), 16, 64)
if err != nil {
return 0, err
}
return int(i), nil
}
// ParseBigInt parse hex string value to big.Int
func ParseBigInt(value string) (big.Int, error) {
i := big.Int{}
_, err := fmt.Sscan(value, &i)
return i, err
}
// IntToHex convert int to hexadecimal representation
func IntToHex(i int) string {
return fmt.Sprintf("0x%x", i)
}
// BigToHex covert big.Int to hexadecimal representation
func BigToHex(bigInt big.Int) string {
if bigInt.BitLen() == 0 {
return "0x0"
}
return "0x" + strings.TrimPrefix(fmt.Sprintf("%x", bigInt.Bytes()), "0")
}
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