X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Futil%2Fser.rs;h=8fb72a8f9fe643f56cfc259e5b7214b56a4fb761;hb=19191b450c8f07e7b703ec83eabaa0d268757bd7;hp=47bdf04f8750ac8d2562f032c7232d997f36c3b4;hpb=730d5639a4d75b7732e9ed0c65291dcbfc2ec134;p=rust-lightning

diff --git a/lightning/src/util/ser.rs b/lightning/src/util/ser.rs
index 47bdf04f..8fb72a8f 100644
--- a/lightning/src/util/ser.rs
+++ b/lightning/src/util/ser.rs
@@ -27,6 +27,7 @@ use bitcoin::consensus::Encodable;
 use bitcoin::hashes::sha256d::Hash as Sha256dHash;
 use bitcoin::hash_types::{Txid, BlockHash};
 use core::marker::Sized;
+use core::time::Duration;
 use ln::msgs::DecodeError;
 use ln::{PaymentPreimage, PaymentHash, PaymentSecret};
 
@@ -502,14 +503,20 @@ impl<K, V> Writeable for HashMap<K, V>
 
 impl<K, V> Readable for HashMap<K, V>
 	where K: Readable + Eq + Hash,
-	      V: Readable
+	      V: MaybeReadable
 {
 	#[inline]
 	fn read<R: Read>(r: &mut R) -> Result<Self, DecodeError> {
 		let len: u16 = Readable::read(r)?;
 		let mut ret = HashMap::with_capacity(len as usize);
 		for _ in 0..len {
-			ret.insert(K::read(r)?, V::read(r)?);
+			let k = K::read(r)?;
+			let v_opt = V::read(r)?;
+			if let Some(v) = v_opt {
+				if ret.insert(k, v).is_some() {
+					return Err(DecodeError::InvalidValue);
+				}
+			}
 		}
 		Ok(ret)
 	}
@@ -905,3 +912,19 @@ impl Readable for String {
 		Ok(ret)
 	}
 }
+
+impl Writeable for Duration {
+	#[inline]
+	fn write<W: Writer>(&self, w: &mut W) -> Result<(), io::Error> {
+		self.as_secs().write(w)?;
+		self.subsec_nanos().write(w)
+	}
+}
+impl Readable for Duration {
+	#[inline]
+	fn read<R: Read>(r: &mut R) -> Result<Self, DecodeError> {
+		let secs = Readable::read(r)?;
+		let nanos = Readable::read(r)?;
+		Ok(Duration::new(secs, nanos))
+	}
+}