[#284] *: Update version and remove the old migration code

Less chances to forget anything in the next release.

Signed-off-by: Evgenii Stratonikov <evgeniy@morphbits.ru>

VERSION

@@ -1 +1 @@
-v0.16.0
+v0.16.1

common/version.go

@@ -5,14 +5,14 @@ import "github.com/nspcc-dev/neo-go/pkg/interop/native/std"
 const (
 	major = 0
 	minor = 16
-	patch = 0
+	patch = 1
 
 	// Versions from which an update should be performed.
 	// These should be used in a group (so prevMinor can be equal to minor if there are
 	// any migration routines.
 	prevMajor = 0
-	prevMinor = 15
+	prevMinor = 16
-	prevPatch = 4
+	prevPatch = 0
 
 	Version = major*1_000_000 + minor*1_000 + patch
 

netmap/netmap_contract.go

@@ -94,25 +94,6 @@ func _deploy(data interface{}, isUpdate bool) {
 
 	if isUpdate {
 		common.CheckVersion(args.version)
-
-		count := getSnapshotCount(ctx)
-		prefix := []byte(snapshotKeyPrefix)
-		for i := 0; i < count; i++ {
-			key := append(prefix, byte(i))
-			data := storage.Get(ctx, key)
-			if data != nil {
-				nodes := std.Deserialize(data.([]byte)).([]Node)
-				for i := range nodes {
-					// Old structure contains only the first field,
-					// second is implicitly assumed to be Online.
-					nodes[i] = Node{
-						BLOB:  nodes[i].BLOB,
-						State: NodeStateOnline,
-					}
-				}
-				common.SetSerialized(ctx, key, nodes)
-			}
-		}
 		return
 	}