Merge pull request exonum#258 from vldm/test_net_0_nodes

Dissalow generate-testnet with 0 nodes.
barabadzhi · Jul 20, 2017 · 491fb6f · 491fb6f
2 parents c7b20c7 + f99d40c
commit 491fb6f
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/exonum/src/helpers/fabric/details.rs b/exonum/src/helpers/fabric/details.rs
@@ -499,6 +499,10 @@ impl Command for GenerateTestnet {
             DEFAULT_EXONUM_LISTEN_PORT,
         );
 
+        if count == 0 {
+            panic!("Can't generate testnet with zero nodes count.");
+        }
+
         let dir = Path::new(&dir);
         let dir = dir.join("validators");
         if !dir.exists() {