Starting on one-way sync

sync_proto.binc

@@ -0,0 +1,43 @@
+type SyncInitRequest {
+   clientCommit: string  = 0;
+}
+
+type SyncInitResponse {
+   remoteCommit: string  = 0;
+   needPull    : boolean = 1;
+   needPush    : boolean = 2;
+}
+
+type Commit {
+   id    : string = 0;
+   root  : string = 1;
+   before: string = 2;
+   merge : string = 3;
+   date  : uint64 = 4;
+}
+
+
+type PullGetLogRequest {
+   limit: uint32 = 0;
+   start: string = 1;
+}
+
+type PullGetLogResponse {
+   commits: Commit[] = 0;
+}
+
+type PullObjectRequest {
+   id  : string = 0;
+   type: string = 1;
+}
+
+type PullObjectResponse {
+   found: boolean = 0;
+   data : bytes   = 1;
+}
+
+service Sync {
+   SyncInit(SyncInitRequest): SyncInitResponse;
+   PullGetLog(PullGetLogRequest): PullGetLogResponse;
+   PullObject(PullObjectRequest): PullObjectResponse;
+}