commit
32b8da2172
@ -1,3 +1,4 @@
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use std::fmt;
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use rlp::{View, Decodable, DecoderError, UntrustedRlp, PayloadInfo, Prototype};
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impl<'a> From<UntrustedRlp<'a>> for Rlp<'a> {
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@ -15,6 +16,12 @@ pub struct Rlp<'a> {
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rlp: UntrustedRlp<'a>
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}
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impl<'a> fmt::Display for Rlp<'a> {
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fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
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write!(f, "{}", self.rlp)
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}
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}
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impl<'a, 'view> View<'a, 'view> for Rlp<'a> where 'a: 'view {
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type Prototype = Prototype;
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type PayloadInfo = PayloadInfo;
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@ -1,4 +1,6 @@
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use std::cell::Cell;
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use std::fmt;
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use rustc_serialize::hex::ToHex;
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use bytes::{FromBytes};
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use rlp::{View, Decoder, Decodable, DecoderError};
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@ -63,6 +65,24 @@ impl<'a> Clone for UntrustedRlp<'a> {
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}
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}
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impl<'a> fmt::Display for UntrustedRlp<'a> {
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fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
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match self.prototype() {
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Ok(Prototype::Null) => write!(f, "null"),
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Ok(Prototype::Data(_)) => write!(f, "\"0x{}\"", self.data().unwrap().to_hex()),
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Ok(Prototype::List(len)) => {
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try!(write!(f, "["));
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for i in 0..len-1 {
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try!(write!(f, "{}, ", self.at(i).unwrap()));
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}
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try!(write!(f, "{}", self.at(len - 1).unwrap()));
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write!(f, "]")
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},
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Err(err) => write!(f, "{:?}", err)
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}
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}
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}
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impl<'a, 'view> View<'a, 'view> for UntrustedRlp<'a> where 'a: 'view {
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type Prototype = Result<Prototype, DecoderError>;
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type PayloadInfo = Result<PayloadInfo, DecoderError>;
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@ -410,3 +430,12 @@ impl_array_decodable_recursive!(
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16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
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32, 40, 48, 56, 64, 72, 96, 128, 160, 192, 224,
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);
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#[test]
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fn test_rlp_display() {
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use rustc_serialize::hex::FromHex;
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let data = "f84d0589010efbef67941f79b2a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a0c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470".from_hex().unwrap();
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let rlp = UntrustedRlp::new(&data);
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assert_eq!(format!("{}", rlp), "[\"0x05\", \"0x010efbef67941f79b2\", \"0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421\", \"0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470\"]");
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}
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