Add import API for Dgraph v25 (#228)

Author: shivaji-kharse

.trunk/trunk.yaml

@@ -3,13 +3,13 @@
 version: 0.1
 
 cli:
-  version: 1.22.10
+  version: 1.22.12
 
 # Trunk provides extensibility via plugins. (https://docs.trunk.io/plugins)
 plugins:
   sources:
     - id: trunk
-      ref: v1.6.7
+      ref: v1.6.8
       uri: https://github.com/trunk-io/plugins
 
 # Many linters and tools depend on runtimes - configure them here. (https://docs.trunk.io/runtimes)
@@ -27,18 +27,18 @@ lint:
         - protos/api/*.pb.go
         - protos/api.v25/*.pb.go
   enabled:
-    - trivy@0.60.0
-    - renovate@39.194.0
+    - trivy@0.61.1
+    - renovate@39.253.2
     - [email protected]
-    - [email protected].382
+    - [email protected].407
     - git-diff-check
     - [email protected]
-    - [email protected].6
+    - [email protected].8
     - [email protected]
-    - osv-scanner@1.9.2
+    - osv-scanner@2.0.1
     - [email protected]
-    - [email protected].16
-    - yamllint@1.36.0
+    - [email protected].24
+    - yamllint@1.37.0
 actions:
   enabled:
     - trunk-announce

protos/api.v25.proto

@@ -29,6 +29,8 @@ service Dgraph {
   rpc DropNamespace(DropNamespaceRequest) returns (DropNamespaceResponse) {}
   rpc UpdateNamespace(UpdateNamespaceRequest) returns (UpdateNamespaceResponse) {}
   rpc ListNamespaces(ListNamespacesRequest) returns (ListNamespacesResponse) {}
+  rpc InitiateSnapshotStream (InitiateSnapshotStreamRequest)    returns (InitiateSnapshotStreamResponse) {}
+  rpc StreamSnapshot(stream StreamSnapshotRequest) returns (StreamSnapshotResponse) {}
 }
 
 message PingRequest {}
@@ -158,3 +160,24 @@ message Namespace {
   string name = 1;
   uint64 id = 2;
 }
+
+message InitiateSnapshotStreamRequest {}
+
+message InitiateSnapshotStreamResponse {
+    repeated uint32 groups = 1;
+}
+
+message StreamSnapshotRequest {
+  uint32 group_id =1;
+  KVS pairs = 2;
+}
+
+message StreamSnapshotResponse {
+    bool done = 1;
+}
+
+message KVS {
+  bytes data = 1;
+  bool done = 2;
+}
+