diff --git a/main.py b/main.py
index e840ffb..4a5f4b2 100644
--- a/main.py
+++ b/main.py
@@ -15,6 +15,7 @@ from sqlalchemy.orm import Session
 from models import NodeInterface
 import os
 from dotenv import load_dotenv
+from sqlalchemy.exc import SQLAlchemyError
 
 load_dotenv()
 
@@ -59,6 +60,10 @@ class LinkNodeRequest(BaseModel):
     password: str
 
 
+class NodeLinkRequest(BaseModel):
+    from_node: str
+    to_node: str
+
 #POST /register-node
 # {
 #   "node_name": "node2",
@@ -304,8 +309,9 @@ def register_node(data: RegisterNodeRequest, token_data: dict = Depends(verify_t
 #   "user": "postgres",
 #   "password": "postgres"
 # }
-@app.post("/link-nodes")
-def link_nodes(data: LinkNodeRequest,token_data: dict = Depends(verify_token)):
+#!!!!!!!!!!!!INIT synchronize_structure := false, synchronize_data := false !!!!!!!!!!!
+# @app.post("/link-nodes")
+def link_nodes(data: LinkNodeRequest):
 
     conn = None
     cur = None
@@ -363,8 +369,6 @@ def link_nodes(data: LinkNodeRequest,token_data: dict = Depends(verify_token)):
             "subscription_name": data.subscription_name,
             "subscriber": data.subscriber_host,
             "provider": data.provider_host,
-            "authenticated_as": token_data["sub"],
-
         }
 
     except Exception as e:
@@ -596,3 +600,93 @@ def delete_node_interface(
         if conn:
             conn.close()
 
+
+@app.post("/spock/link-nodes-abstract")
+def link_nodes_abstract(data: NodeLinkRequest,db: Session = Depends(get_db),token_data: dict = Depends(verify_token)):
+
+ 
+    try:
+        from_node = data.from_node
+        to_node = data.to_node
+
+        print("From Node:", from_node)
+        from_node_data = (
+            db.query(NodeInterface)
+            .filter(NodeInterface.if_name == from_node)
+            .first()
+        )
+        if not from_node_data:
+            raise HTTPException(
+            status_code=404,
+            detail=f"Node '{from_node}' not found"
+            )
+        print("fromFound:", from_node_data.if_name)
+        print("fromHost:", from_node_data.host)
+        print("fromPort:", from_node_data.port)
+        print("fromDbname:", from_node_data.dbname)
+        print("fromUser:", from_node_data.user)
+
+    #================================================
+        print("===============================================")
+        print("To Node:", to_node)
+        to_node_data = (
+            db.query(NodeInterface)
+            .filter(NodeInterface.if_name == to_node)
+            .first()
+        )
+        if not to_node_data:
+            raise HTTPException(
+                status_code=404,
+                detail=f"Node '{to_node}' not found"
+            )
+        print("toFound:", to_node_data.if_name)
+        print("toHost:", to_node_data.host)
+        print("toPort:", to_node_data.port)
+        print("toDbname:", to_node_data.dbname)
+        print("toUser:", to_node_data.user)
+
+#=============================================================================
+                # Build internal function input
+        link_data = LinkNodeRequest(
+            subscription_name=f"{to_node}_from_{from_node}",
+
+            subscriber_host=to_node_data.host,
+            subscriber_port=to_node_data.port,
+
+            provider_host=from_node_data.host,
+            provider_port=from_node_data.port,
+
+            dbname=to_node_data.dbname,
+            user=to_node_data.user,
+            password="postgres"
+        )
+
+        # Call internal function
+        result = link_nodes(link_data)
+
+#==============================================================================
+
+
+        return {
+            "from_node": from_node,
+            "to_node": to_node
+        }
+
+    except HTTPException:
+        raise
+
+    except SQLAlchemyError as e:
+        print("Database error:", str(e))
+
+        raise HTTPException(
+            status_code=500,
+            detail="Management database error"
+        )
+
+    except Exception as e:
+        print("Unexpected error:", str(e))
+
+        raise HTTPException(
+        status_code=500,
+        detail="Internal server error"
+        )
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