Finish defining bridgedb, THEN output keys

src/bin/bridgedb.rs

@@ -4,27 +4,31 @@ use std::io::Write;
 use std::path::Path;
 
 fn main() {
-    let bridgedb_privkey_filename = "bridgedb.json";
+    let bridgedb_filename = "bridgedb.json";
     let bridgedb_pubkey_filename = "bridgedb_pubkey.json";
 
     // If bridgedb has already been created, recreate it from file.
     // Otherwise, create new bridgedb.
-    let bridgedb = if Path::new(bridgedb_privkey_filename).exists() {
+    let bridgedb = if Path::new(bridgedb_filename).exists() {
         // read in file
-        let bridgedb_infile = File::open(bridgedb_privkey_filename).unwrap();
+        let bridgedb_infile = File::open(bridgedb_filename).unwrap();
         serde_json::from_reader(bridgedb_infile).unwrap()
     } else {
         // create new bridgedb (implicitly generates keys)
-        let bridgedb = BridgeDb::new();
+        BridgeDb::new()
+    };
 
-        // output full serialized bridgedb
+    // output full serialized bridgedb if file doesn't already exist
-        let mut bridgedb_outfile = File::create(bridgedb_privkey_filename)
+    if !Path::new(bridgedb_filename).exists() {
-            .expect("Failed to create bridgedb privkey file");
+        let mut bridgedb_outfile =
+            File::create(bridgedb_filename).expect("Failed to create bridgedb privkey file");
         let bridgedb_outfile_json = serde_json::to_string(&bridgedb).unwrap();
         write!(bridgedb_outfile, "{}", bridgedb_outfile_json)
             .expect("Failed to write to bridgedb.json");
+    }
 
-        // output bridgedb public key
+    // output bridgedb public key if file doesn't already exist
+    if !Path::new(bridgedb_pubkey_filename).exists() {
         let mut bridgedb_pubkey_outfile =
             File::create(bridgedb_pubkey_filename).expect("Failed to create bridgedb pubkey file");
         write!(
@@ -33,8 +37,5 @@ fn main() {
             serde_json::to_string(&bridgedb.pubkey).unwrap()
         )
         .expect("Failed to write to bridgedb pubkey file");
-
+    }
-        // return bridgedb
-        bridgedb
-    };
 }