X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=src%2Futil%2Fser.rs;h=1b10a393090e43ebda7e85a8478c8176401328e5;hb=91dc91f0532b45dc0874a4003cc945aff600d991;hp=0b2a626fb0beff87d7df6b7a44adf1b75f35cc89;hpb=12d25576c1661c09c6ece239d286dd3ab6380cd5;p=rust-lightning

diff --git a/src/util/ser.rs b/src/util/ser.rs
index 0b2a626f..1b10a393 100644
--- a/src/util/ser.rs
+++ b/src/util/ser.rs
@@ -8,8 +8,8 @@ use std::hash::Hash;
 
 use secp256k1::Signature;
 use secp256k1::key::{PublicKey, SecretKey};
-use bitcoin::util::hash::Sha256dHash;
 use bitcoin::blockdata::script::Script;
+use bitcoin_hashes::sha256d::Hash as Sha256dHash;
 use std::marker::Sized;
 use ln::msgs::DecodeError;
 use ln::channelmanager::{PaymentPreimage, PaymentHash};
@@ -203,6 +203,10 @@ macro_rules! impl_array {
 }
 
 //TODO: performance issue with [u8; size] with impl_array!()
+impl_array!(3); // for rgb
+impl_array!(4); // for IPv4
+impl_array!(10); // for OnionV2
+impl_array!(16); // for IPv6
 impl_array!(32); // for channel id & hmac
 impl_array!(33); // for PublicKey
 impl_array!(64); // for Signature
@@ -302,29 +306,6 @@ impl<R: Read> Readable<R> for Script {
 	}
 }
 
-impl Writeable for Option<Script> {
-	fn write<W: Writer>(&self, w: &mut W) -> Result<(), ::std::io::Error> {
-		if let &Some(ref script) = self {
-			script.write(w)?;
-		}
-		Ok(())
-	}
-}
-
-impl<R: Read> Readable<R> for Option<Script> {
-	fn read(r: &mut R) -> Result<Self, DecodeError> {
-		match <u16 as Readable<R>>::read(r) {
-			Ok(len) => {
-				let mut buf = vec![0; len as usize];
-				r.read_exact(&mut buf)?;
-				Ok(Some(Script::from(buf)))
-			},
-			Err(DecodeError::ShortRead) => Ok(None),
-			Err(e) => Err(e)
-		}
-	}
-}
-
 impl Writeable for PublicKey {
 	fn write<W: Writer>(&self, w: &mut W) -> Result<(), ::std::io::Error> {
 		self.serialize().write(w)
@@ -361,14 +342,16 @@ impl<R: Read> Readable<R> for SecretKey {
 
 impl Writeable for Sha256dHash {
 	fn write<W: Writer>(&self, w: &mut W) -> Result<(), ::std::io::Error> {
-		self.as_bytes().write(w)
+		w.write_all(&self[..])
 	}
 }
 
 impl<R: Read> Readable<R> for Sha256dHash {
 	fn read(r: &mut R) -> Result<Self, DecodeError> {
+		use bitcoin_hashes::Hash;
+
 		let buf: [u8; 32] = Readable::read(r)?;
-		Ok(From::from(&buf[..]))
+		Ok(Sha256dHash::from_slice(&buf[..]).unwrap())
 	}
 }
 
@@ -413,3 +396,29 @@ impl<R: Read> Readable<R> for PaymentHash {
 		Ok(PaymentHash(buf))
 	}
 }
+
+impl<T: Writeable> Writeable for Option<T> {
+	fn write<W: Writer>(&self, w: &mut W) -> Result<(), ::std::io::Error> {
+		match *self {
+			None => 0u8.write(w)?,
+			Some(ref data) => {
+				1u8.write(w)?;
+				data.write(w)?;
+			}
+		}
+		Ok(())
+	}
+}
+
+impl<R, T> Readable<R> for Option<T>
+	where R: Read,
+	      T: Readable<R>
+{
+	fn read(r: &mut R) -> Result<Self, DecodeError> {
+		match <u8 as Readable<R>>::read(r)? {
+			0 => Ok(None),
+			1 => Ok(Some(Readable::read(r)?)),
+			_ => return Err(DecodeError::InvalidValue),
+		}
+	}
+}