Support binary safe file for json-rpc server.

src/server.rs

@@ -1,5 +1,5 @@
 use crate::graph;
-use crate::io::{read_edges_binary, read_edges_csv};
+use crate::io::{import_from_safes_binary, read_edges_binary, read_edges_csv};
 use crate::types::edge::EdgeDB;
 use crate::types::{Address, Edge, U256};
 use json::JsonValue;
@@ -75,6 +75,15 @@ fn handle_connection(
             };
             socket.write_all(response.as_bytes())?;
         }
+        "load_safes_binary" => {
+            let response = match load_safes_binary(edges, &request.params["file"].to_string()) {
+                Ok(len) => jsonrpc_response(request.id, len),
+                Err(e) => {
+                    jsonrpc_error_response(request.id, -32000, &format!("Error loading edges: {e}"))
+                }
+            };
+            socket.write_all(response.as_bytes())?;
+        }
         "compute_transfer" => {
             println!("Computing flow");
             let e = edges.read().unwrap().clone();
@@ -116,6 +125,13 @@ fn load_edges_csv(edges: &RwLock<Arc<EdgeDB>>, file: &String) -> Result<usize, B
     Ok(len)
 }
 
+fn load_safes_binary(edges: &RwLock<Arc<EdgeDB>>, file: &str) -> Result<usize, Box<dyn Error>> {
+    let updated_edges = import_from_safes_binary(file)?.edges().clone();
+    let len = updated_edges.edge_count();
+    *edges.write().unwrap() = Arc::new(updated_edges);
+    Ok(len)
+}
+
 fn compute_transfer(
     request: JsonRpcRequest,
     edges: &EdgeDB,