Merge petertodd#283: Pass strSubVer.encode() to serializer

80fffb3 Pass strSubVer.encode() to serializer (Andrew Chow)

Pull request description:

  The serializer expects bytes, but strSubVer is a string. So it needs to be encoded first.

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Tree-SHA512: 80a4f57d9141f4d3e7282bfc91f3c10974b97d22071a9fe7d54fce52c4c901ef04b1b37ce615a634a118834c1de52d71cc60e0f65fd05e88bc225c36701e5651

Author: petertodd

bitcoin/messages.py

@@ -160,7 +160,7 @@ def msg_ser(self, f):
         self.addrTo.stream_serialize(f, True)
         self.addrFrom.stream_serialize(f, True)
         f.write(struct.pack(b"<Q", self.nNonce))
-        VarStringSerializer.stream_serialize(self.strSubVer, f)
+        VarStringSerializer.stream_serialize(self.strSubVer.encode(), f)
         f.write(struct.pack(b"<i", self.nStartingHeight))
         f.write(struct.pack(b"<B", self.fRelay))