feat: fill MsgUpdateClient data

proto/buf.lock

@@ -1,6 +1,11 @@
 # Generated by buf. DO NOT EDIT.
 version: v1
 deps:
+  - remote: buf.build
+    owner: cosmos
+    repository: cosmos-proto
+    commit: 1935555c206d4afb9e94615dfd0fad31
+    digest: shake256:c74d91a3ac7ae07d579e90eee33abf9b29664047ac8816500cf22c081fec0d72d62c89ce0bebafc1f6fec7aa5315be72606717740ca95007248425102c365377
   - remote: buf.build
     owner: cosmos
     repository: gogo-proto

proto/buf.yaml

@@ -2,6 +2,7 @@ version: v1
 name: buf.build/tendermint/tendermint
 deps:
   - buf.build/cosmos/gogo-proto
+  - buf.build/cosmos/cosmos-proto
 breaking:
   use:
     - FILE

proto/ibc/core/client/v1/client.proto

@@ -0,0 +1,25 @@
+syntax = "proto3";
+
+package ibc.core.client.v1;
+
+option go_package = "github.com/cometbft/cometbft/proto/ibc/core/client/v1";
+
+// Height is a monotonically increasing data type
+// that can be compared against another Height for the purposes of updating and
+// freezing clients
+//
+// Normally the RevisionHeight is incremented at each height while keeping
+// RevisionNumber the same. However some consensus algorithms may choose to
+// reset the height in certain conditions e.g. hard forks, state-machine
+// breaking changes In these cases, the RevisionNumber is incremented so that
+// height continues to be monitonically increasing even as the RevisionHeight
+// gets reset
+message Height {
+  // option (gogoproto.goproto_getters)  = false;
+  // option (gogoproto.goproto_stringer) = false;
+
+  // the revision that the client is currently on
+  uint64 revision_number = 1;
+  // the height within the given revision
+  uint64 revision_height = 2;
+}