--- a/tests/test-wireproto-exchangev2.t	Mon Oct 08 15:19:32 2018 -0700
+++ b/tests/test-wireproto-exchangev2.t	Mon Oct 08 17:24:28 2018 -0700
@@ -45,11 +45,12 @@
   sending command known: {
     'nodes': []
   }
-  received frame(size=11; request=1; stream=2; streamflags=stream-begin; type=command-response; flags=continuation)
-  received frame(size=43; request=1; stream=2; streamflags=; type=command-response; flags=continuation)
+  received frame(size=9; request=1; stream=2; streamflags=stream-begin; type=stream-settings; flags=eos)
+  received frame(size=11; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
+  received frame(size=43; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
   received frame(size=0; request=1; stream=2; streamflags=; type=command-response; flags=eos)
-  received frame(size=11; request=3; stream=2; streamflags=; type=command-response; flags=continuation)
-  received frame(size=1; request=3; stream=2; streamflags=; type=command-response; flags=continuation)
+  received frame(size=11; request=3; stream=2; streamflags=encoded; type=command-response; flags=continuation)
+  received frame(size=1; request=3; stream=2; streamflags=encoded; type=command-response; flags=continuation)
   received frame(size=0; request=3; stream=2; streamflags=; type=command-response; flags=eos)
   sending 1 commands
   sending command changesetdata: {
@@ -67,8 +68,9 @@
       ]
     ]
   }
-  received frame(size=11; request=1; stream=2; streamflags=stream-begin; type=command-response; flags=continuation)
-  received frame(size=941; request=1; stream=2; streamflags=; type=command-response; flags=continuation)
+  received frame(size=9; request=1; stream=2; streamflags=stream-begin; type=stream-settings; flags=eos)
+  received frame(size=11; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
+  received frame(size=941; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
   received frame(size=0; request=1; stream=2; streamflags=; type=command-response; flags=eos)
   add changeset 3390ef850073
   add changeset 4432d83626e8
@@ -92,8 +94,9 @@
     ],
     'tree': ''
   }
-  received frame(size=11; request=1; stream=2; streamflags=stream-begin; type=command-response; flags=continuation)
-  received frame(size=992; request=1; stream=2; streamflags=; type=command-response; flags=continuation)
+  received frame(size=9; request=1; stream=2; streamflags=stream-begin; type=stream-settings; flags=eos)
+  received frame(size=11; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
+  received frame(size=992; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
   received frame(size=0; request=1; stream=2; streamflags=; type=command-response; flags=eos)
   sending 2 commands
   sending command filedata: {
@@ -122,11 +125,12 @@
     ],
     'path': 'b'
   }
-  received frame(size=11; request=1; stream=2; streamflags=stream-begin; type=command-response; flags=continuation)
-  received frame(size=431; request=1; stream=2; streamflags=; type=command-response; flags=continuation)
+  received frame(size=9; request=1; stream=2; streamflags=stream-begin; type=stream-settings; flags=eos)
+  received frame(size=11; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
+  received frame(size=431; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
   received frame(size=0; request=1; stream=2; streamflags=; type=command-response; flags=eos)
-  received frame(size=11; request=3; stream=2; streamflags=; type=command-response; flags=continuation)
-  received frame(size=431; request=3; stream=2; streamflags=; type=command-response; flags=continuation)
+  received frame(size=11; request=3; stream=2; streamflags=encoded; type=command-response; flags=continuation)
+  received frame(size=431; request=3; stream=2; streamflags=encoded; type=command-response; flags=continuation)
   received frame(size=0; request=3; stream=2; streamflags=; type=command-response; flags=eos)
   updating the branch cache
   new changesets 3390ef850073:caa2a465451d (3 drafts)
@@ -173,8 +177,9 @@
   sending command lookup: {
     'key': '4432d83626e8'
   }
-  received frame(size=11; request=1; stream=2; streamflags=stream-begin; type=command-response; flags=continuation)
-  received frame(size=21; request=1; stream=2; streamflags=; type=command-response; flags=continuation)
+  received frame(size=9; request=1; stream=2; streamflags=stream-begin; type=stream-settings; flags=eos)
+  received frame(size=11; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
+  received frame(size=21; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
   received frame(size=0; request=1; stream=2; streamflags=; type=command-response; flags=eos)
   query 1; heads
   sending 2 commands
@@ -182,11 +187,12 @@
   sending command known: {
     'nodes': []
   }
-  received frame(size=11; request=1; stream=2; streamflags=stream-begin; type=command-response; flags=continuation)
-  received frame(size=43; request=1; stream=2; streamflags=; type=command-response; flags=continuation)
+  received frame(size=9; request=1; stream=2; streamflags=stream-begin; type=stream-settings; flags=eos)
+  received frame(size=11; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
+  received frame(size=43; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
   received frame(size=0; request=1; stream=2; streamflags=; type=command-response; flags=eos)
-  received frame(size=11; request=3; stream=2; streamflags=; type=command-response; flags=continuation)
-  received frame(size=1; request=3; stream=2; streamflags=; type=command-response; flags=continuation)
+  received frame(size=11; request=3; stream=2; streamflags=encoded; type=command-response; flags=continuation)
+  received frame(size=1; request=3; stream=2; streamflags=encoded; type=command-response; flags=continuation)
   received frame(size=0; request=3; stream=2; streamflags=; type=command-response; flags=eos)
   sending 1 commands
   sending command changesetdata: {
@@ -203,8 +209,9 @@
       ]
     ]
   }
-  received frame(size=11; request=1; stream=2; streamflags=stream-begin; type=command-response; flags=continuation)
-  received frame(size=381; request=1; stream=2; streamflags=; type=command-response; flags=continuation)
+  received frame(size=9; request=1; stream=2; streamflags=stream-begin; type=stream-settings; flags=eos)
+  received frame(size=11; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
+  received frame(size=381; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
   received frame(size=0; request=1; stream=2; streamflags=; type=command-response; flags=eos)
   add changeset 3390ef850073
   add changeset 4432d83626e8
@@ -222,8 +229,9 @@
     ],
     'tree': ''
   }
-  received frame(size=11; request=1; stream=2; streamflags=stream-begin; type=command-response; flags=continuation)
-  received frame(size=404; request=1; stream=2; streamflags=; type=command-response; flags=continuation)
+  received frame(size=9; request=1; stream=2; streamflags=stream-begin; type=stream-settings; flags=eos)
+  received frame(size=11; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
+  received frame(size=404; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
   received frame(size=0; request=1; stream=2; streamflags=; type=command-response; flags=eos)
   sending 2 commands
   sending command filedata: {
@@ -249,11 +257,12 @@
     ],
     'path': 'b'
   }
-  received frame(size=11; request=1; stream=2; streamflags=stream-begin; type=command-response; flags=continuation)
-  received frame(size=277; request=1; stream=2; streamflags=; type=command-response; flags=continuation)
+  received frame(size=9; request=1; stream=2; streamflags=stream-begin; type=stream-settings; flags=eos)
+  received frame(size=11; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
+  received frame(size=277; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
   received frame(size=0; request=1; stream=2; streamflags=; type=command-response; flags=eos)
-  received frame(size=11; request=3; stream=2; streamflags=; type=command-response; flags=continuation)
-  received frame(size=123; request=3; stream=2; streamflags=; type=command-response; flags=continuation)
+  received frame(size=11; request=3; stream=2; streamflags=encoded; type=command-response; flags=continuation)
+  received frame(size=123; request=3; stream=2; streamflags=encoded; type=command-response; flags=continuation)
   received frame(size=0; request=3; stream=2; streamflags=; type=command-response; flags=eos)
   updating the branch cache
   new changesets 3390ef850073:4432d83626e8
@@ -286,11 +295,12 @@
       'D2\xd86&\xe8\xa9\x86U\xf0b\xec\x1f*C\xb0\x7f\x7f\xbb\xb0'
     ]
   }
-  received frame(size=11; request=1; stream=2; streamflags=stream-begin; type=command-response; flags=continuation)
-  received frame(size=43; request=1; stream=2; streamflags=; type=command-response; flags=continuation)
+  received frame(size=9; request=1; stream=2; streamflags=stream-begin; type=stream-settings; flags=eos)
+  received frame(size=11; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
+  received frame(size=43; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
   received frame(size=0; request=1; stream=2; streamflags=; type=command-response; flags=eos)
-  received frame(size=11; request=3; stream=2; streamflags=; type=command-response; flags=continuation)
-  received frame(size=2; request=3; stream=2; streamflags=; type=command-response; flags=continuation)
+  received frame(size=11; request=3; stream=2; streamflags=encoded; type=command-response; flags=continuation)
+  received frame(size=2; request=3; stream=2; streamflags=encoded; type=command-response; flags=continuation)
   received frame(size=0; request=3; stream=2; streamflags=; type=command-response; flags=eos)
   searching for changes
   all local heads known remotely
@@ -312,8 +322,9 @@
       ]
     ]
   }
-  received frame(size=11; request=1; stream=2; streamflags=stream-begin; type=command-response; flags=continuation)
-  received frame(size=613; request=1; stream=2; streamflags=; type=command-response; flags=continuation)
+  received frame(size=9; request=1; stream=2; streamflags=stream-begin; type=stream-settings; flags=eos)
+  received frame(size=11; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
+  received frame(size=613; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
   received frame(size=0; request=1; stream=2; streamflags=; type=command-response; flags=eos)
   add changeset cd2534766bec
   add changeset e96ae20f4188
@@ -333,8 +344,9 @@
     ],
     'tree': ''
   }
-  received frame(size=11; request=1; stream=2; streamflags=stream-begin; type=command-response; flags=continuation)
-  received frame(size=601; request=1; stream=2; streamflags=; type=command-response; flags=continuation)
+  received frame(size=9; request=1; stream=2; streamflags=stream-begin; type=stream-settings; flags=eos)
+  received frame(size=11; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
+  received frame(size=601; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
   received frame(size=0; request=1; stream=2; streamflags=; type=command-response; flags=eos)
   sending 2 commands
   sending command filedata: {
@@ -362,11 +374,12 @@
     ],
     'path': 'b'
   }
-  received frame(size=11; request=1; stream=2; streamflags=stream-begin; type=command-response; flags=continuation)
-  received frame(size=277; request=1; stream=2; streamflags=; type=command-response; flags=continuation)
+  received frame(size=9; request=1; stream=2; streamflags=stream-begin; type=stream-settings; flags=eos)
+  received frame(size=11; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
+  received frame(size=277; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
   received frame(size=0; request=1; stream=2; streamflags=; type=command-response; flags=eos)
-  received frame(size=11; request=3; stream=2; streamflags=; type=command-response; flags=continuation)
-  received frame(size=431; request=3; stream=2; streamflags=; type=command-response; flags=continuation)
+  received frame(size=11; request=3; stream=2; streamflags=encoded; type=command-response; flags=continuation)
+  received frame(size=431; request=3; stream=2; streamflags=encoded; type=command-response; flags=continuation)
   received frame(size=0; request=3; stream=2; streamflags=; type=command-response; flags=eos)
   updating the branch cache
   new changesets cd2534766bec:caa2a465451d (3 drafts)
@@ -409,11 +422,12 @@
       '\xca\xa2\xa4eE\x1d\xd1\xfa\xcd\xa0\xf5\xb1#\x12\xc3UXA\x88\xa1'
     ]
   }
-  received frame(size=11; request=1; stream=2; streamflags=stream-begin; type=command-response; flags=continuation)
-  received frame(size=43; request=1; stream=2; streamflags=; type=command-response; flags=continuation)
+  received frame(size=9; request=1; stream=2; streamflags=stream-begin; type=stream-settings; flags=eos)
+  received frame(size=11; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
+  received frame(size=43; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
   received frame(size=0; request=1; stream=2; streamflags=; type=command-response; flags=eos)
-  received frame(size=11; request=3; stream=2; streamflags=; type=command-response; flags=continuation)
-  received frame(size=3; request=3; stream=2; streamflags=; type=command-response; flags=continuation)
+  received frame(size=11; request=3; stream=2; streamflags=encoded; type=command-response; flags=continuation)
+  received frame(size=3; request=3; stream=2; streamflags=encoded; type=command-response; flags=continuation)
   received frame(size=0; request=3; stream=2; streamflags=; type=command-response; flags=eos)
   searching for changes
   all remote heads known locally
@@ -436,8 +450,9 @@
       ]
     ]
   }
-  received frame(size=11; request=1; stream=2; streamflags=stream-begin; type=command-response; flags=continuation)
-  received frame(size=92; request=1; stream=2; streamflags=; type=command-response; flags=continuation)
+  received frame(size=9; request=1; stream=2; streamflags=stream-begin; type=stream-settings; flags=eos)
+  received frame(size=11; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
+  received frame(size=92; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
   received frame(size=0; request=1; stream=2; streamflags=; type=command-response; flags=eos)
   checking for updated bookmarks
   2 local changesets published
@@ -472,11 +487,12 @@
   sending command known: {
     'nodes': []
   }
-  received frame(size=11; request=1; stream=2; streamflags=stream-begin; type=command-response; flags=continuation)
-  received frame(size=43; request=1; stream=2; streamflags=; type=command-response; flags=continuation)
+  received frame(size=9; request=1; stream=2; streamflags=stream-begin; type=stream-settings; flags=eos)
+  received frame(size=11; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
+  received frame(size=43; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
   received frame(size=0; request=1; stream=2; streamflags=; type=command-response; flags=eos)
-  received frame(size=11; request=3; stream=2; streamflags=; type=command-response; flags=continuation)
-  received frame(size=1; request=3; stream=2; streamflags=; type=command-response; flags=continuation)
+  received frame(size=11; request=3; stream=2; streamflags=encoded; type=command-response; flags=continuation)
+  received frame(size=1; request=3; stream=2; streamflags=encoded; type=command-response; flags=continuation)
   received frame(size=0; request=3; stream=2; streamflags=; type=command-response; flags=eos)
   sending 1 commands
   sending command changesetdata: {
@@ -494,8 +510,9 @@
       ]
     ]
   }
-  received frame(size=11; request=1; stream=2; streamflags=stream-begin; type=command-response; flags=continuation)
-  received frame(size=979; request=1; stream=2; streamflags=; type=command-response; flags=continuation)
+  received frame(size=9; request=1; stream=2; streamflags=stream-begin; type=stream-settings; flags=eos)
+  received frame(size=11; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
+  received frame(size=979; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
   received frame(size=0; request=1; stream=2; streamflags=; type=command-response; flags=eos)
   add changeset 3390ef850073
   add changeset 4432d83626e8
@@ -521,8 +538,9 @@
     ],
     'tree': ''
   }
-  received frame(size=11; request=1; stream=2; streamflags=stream-begin; type=command-response; flags=continuation)
-  received frame(size=992; request=1; stream=2; streamflags=; type=command-response; flags=continuation)
+  received frame(size=9; request=1; stream=2; streamflags=stream-begin; type=stream-settings; flags=eos)
+  received frame(size=11; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
+  received frame(size=992; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
   received frame(size=0; request=1; stream=2; streamflags=; type=command-response; flags=eos)
   sending 2 commands
   sending command filedata: {
@@ -551,11 +569,12 @@
     ],
     'path': 'b'
   }
-  received frame(size=11; request=1; stream=2; streamflags=stream-begin; type=command-response; flags=continuation)
-  received frame(size=431; request=1; stream=2; streamflags=; type=command-response; flags=continuation)
+  received frame(size=9; request=1; stream=2; streamflags=stream-begin; type=stream-settings; flags=eos)
+  received frame(size=11; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
+  received frame(size=431; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
   received frame(size=0; request=1; stream=2; streamflags=; type=command-response; flags=eos)
-  received frame(size=11; request=3; stream=2; streamflags=; type=command-response; flags=continuation)
-  received frame(size=431; request=3; stream=2; streamflags=; type=command-response; flags=continuation)
+  received frame(size=11; request=3; stream=2; streamflags=encoded; type=command-response; flags=continuation)
+  received frame(size=431; request=3; stream=2; streamflags=encoded; type=command-response; flags=continuation)
   received frame(size=0; request=3; stream=2; streamflags=; type=command-response; flags=eos)
   updating the branch cache
   new changesets 3390ef850073:caa2a465451d (1 drafts)
@@ -583,11 +602,12 @@
       '\xca\xa2\xa4eE\x1d\xd1\xfa\xcd\xa0\xf5\xb1#\x12\xc3UXA\x88\xa1'
     ]
   }
-  received frame(size=11; request=1; stream=2; streamflags=stream-begin; type=command-response; flags=continuation)
-  received frame(size=43; request=1; stream=2; streamflags=; type=command-response; flags=continuation)
+  received frame(size=9; request=1; stream=2; streamflags=stream-begin; type=stream-settings; flags=eos)
+  received frame(size=11; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
+  received frame(size=43; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
   received frame(size=0; request=1; stream=2; streamflags=; type=command-response; flags=eos)
-  received frame(size=11; request=3; stream=2; streamflags=; type=command-response; flags=continuation)
-  received frame(size=3; request=3; stream=2; streamflags=; type=command-response; flags=continuation)
+  received frame(size=11; request=3; stream=2; streamflags=encoded; type=command-response; flags=continuation)
+  received frame(size=3; request=3; stream=2; streamflags=encoded; type=command-response; flags=continuation)
   received frame(size=0; request=3; stream=2; streamflags=; type=command-response; flags=eos)
   searching for changes
   all remote heads known locally
@@ -610,8 +630,9 @@
       ]
     ]
   }
-  received frame(size=11; request=1; stream=2; streamflags=stream-begin; type=command-response; flags=continuation)
-  received frame(size=144; request=1; stream=2; streamflags=; type=command-response; flags=continuation)
+  received frame(size=9; request=1; stream=2; streamflags=stream-begin; type=stream-settings; flags=eos)
+  received frame(size=11; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
+  received frame(size=144; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
   received frame(size=0; request=1; stream=2; streamflags=; type=command-response; flags=eos)
   checking for updated bookmarks
   updating bookmark book-1