Merge pull request #17 from zianksm/feature-node-runner

add mandala node runner

mandala-node-runner/src/error.rs

@@ -0,0 +1,20 @@
+
+#[derive(Debug)]
+pub enum Error {
+    Io(std::io::Error),
+    CouldNotExtractPort,
+}
+
+impl std::fmt::Display for Error {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            Error::Io(err) => write!(f, "IO error: {err}"),
+            Error::CouldNotExtractPort => write!(
+                f,
+                "could not extract port from running substrate node's stdout"
+            ),
+        }
+    }
+}
+
+impl std::error::Error for Error {}

mandala-node-runner/src/lib.rs

@@ -1,6 +1,4 @@
-// Copyright 2019-2023 Parity Technologies (UK) Ltd.
-// This file is dual-licensed as Apache-2.0 or GPL-3.0.
-// see LICENSE for license details.
+
 
 mod error;