go/neo/proto: Sync CellState enums order with NEO/py

Corresponds to NEO/py commit b3dd6973 ("Optimize resumption of
replication by starting from a greater TID").

go/neo/proto/proto.go

@@ -205,22 +205,22 @@ const (
 
 type CellState int32
 const (
-	// Normal state: cell is writable/readable, and it isn't planned to drop it.
-	UP_TO_DATE CellState = iota //short: U     // XXX tag prefix name ?
 	// Write-only cell. Last transactions are missing because storage is/was down
 	// for a while, or because it is new for the partition. It usually becomes
 	// UP_TO_DATE when replication is done.
-	OUT_OF_DATE                 //short: O
+	OUT_OF_DATE CellState = iota //short: O    // XXX tag prefix name ?
+	// Normal state: cell is writable/readable, and it isn't planned to drop it.
+	UP_TO_DATE                   //short: U
 	// Same as UP_TO_DATE, except that it will be discarded as soon as another
 	// node finishes to replicate it. It means a partition is moved from 1 node
 	// to another. It is also discarded immediately if out-of-date.
-	FEEDING                     //short: F
-	// Not really a state: only used in network messages to tell storages to drop
-	// partitions.
-	DISCARDED                   //short: D
+	FEEDING                      //short: F
 	// A check revealed that data differs from other replicas. Cell is neither
 	// readable nor writable.
-	CORRUPTED                   //short: C
+	CORRUPTED                    //short: C
+	// Not really a state: only used in network messages to tell storages to drop
+	// partitions.
+	DISCARDED                    //short: D
 )
 
 // NodeUUID is a node identifier, 4-bytes signed integer

go/neo/proto/proto_test.go

-// Copyright (C) 2016-2017  Nexedi SA and Contributors.
+// Copyright (C) 2016-2020  Nexedi SA and Contributors.
 //                          Kirill Smelkov <kirr@nexedi.com>
 //
 // This program is free software: you can Use, Study, Modify and Redistribute
@@ -194,9 +194,9 @@ func TestMsgMarshal(t *testing.T) {
 
 			hex("0102030405060708") +
 			hex("00000003") +
-				hex("00000001000000020000000b000000000000001100000001") +
+				hex("00000001000000020000000b000000010000001100000000") +
 				hex("00000002000000010000000b00000002") +
-				hex("00000007000000030000000b000000040000000f000000030000001700000000"),
+				hex("00000007000000030000000b000000030000000f000000040000001700000001"),
 		},
 
 		// map[Oid]struct {Tid,Tid,bool}

go/neo/proto/zproto-str.go

@@ -99,16 +99,16 @@ func _() {
 	// An "invalid array index" compiler error signifies that the constant values have changed.
 	// Re-run the stringer command to generate them again.
 	var x [1]struct{}
-	_ = x[UP_TO_DATE-0]
-	_ = x[OUT_OF_DATE-1]
+	_ = x[OUT_OF_DATE-0]
+	_ = x[UP_TO_DATE-1]
 	_ = x[FEEDING-2]
-	_ = x[DISCARDED-3]
-	_ = x[CORRUPTED-4]
+	_ = x[CORRUPTED-3]
+	_ = x[DISCARDED-4]
 }
 
-const _CellState_name = "UP_TO_DATEOUT_OF_DATEFEEDINGDISCARDEDCORRUPTED"
+const _CellState_name = "OUT_OF_DATEUP_TO_DATEFEEDINGCORRUPTEDDISCARDED"
 
-var _CellState_index = [...]uint8{0, 10, 21, 28, 37, 46}
+var _CellState_index = [...]uint8{0, 11, 21, 28, 37, 46}
 
 func (i CellState) String() string {
 	if i < 0 || i >= CellState(len(_CellState_index)-1) {