Deduplicate code.

This commit is contained in:
Gav Wood 2016-11-29 13:48:28 +01:00
parent 436016ef02
commit 0e0bdc8ae9
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@ -14,9 +14,7 @@
// You should have received a copy of the GNU General Public License // You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>. // along with Parity. If not, see <http://www.gnu.org/licenses/>.
use std::cmp;
use std::str::FromStr; use std::str::FromStr;
use rustc_serialize::hex::ToHex;
use serde; use serde;
use util::{U256 as EthU256, Uint}; use util::{U256 as EthU256, Uint};
@ -50,18 +48,7 @@ macro_rules! impl_uint {
impl serde::Serialize for $name { impl serde::Serialize for $name {
fn serialize<S>(&self, serializer: &mut S) -> Result<(), S::Error> where S: serde::Serializer { fn serialize<S>(&self, serializer: &mut S) -> Result<(), S::Error> where S: serde::Serializer {
let mut hex = "0x".to_owned(); serializer.serialize_str(&format!("0x{}", self.0.to_hex()))
let mut bytes = [0u8; 8 * $size];
self.0.to_big_endian(&mut bytes);
let len = cmp::max((self.0.bits() + 7) / 8, 1);
let bytes_hex = bytes[bytes.len() - len..].to_hex();
if bytes_hex.starts_with('0') {
hex.push_str(&bytes_hex[1..]);
} else {
hex.push_str(&bytes_hex);
}
serializer.serialize_str(&hex)
} }
} }