handling invalid spec jsons properly, additional tests, closes #1840

util/src/misc.rs

@@ -16,7 +16,6 @@
 
 //! Diff misc.
 
-use std::fs::File;
 use common::*;
 use rlp::{Stream, RlpStream};
 use target_info::Target;
@@ -33,14 +32,6 @@ pub enum Filth {
 	Dirty,
 }
 
-/// Read the whole contents of a file `name`.
-pub fn contents(name: &str) -> Result<Bytes, UtilError> {
-	let mut file = try!(File::open(name));
-	let mut ret: Vec<u8> = Vec::new();
-	try!(file.read_to_end(&mut ret));
-	Ok(ret)
-}
-
 /// Get the standard version string for this software.
 pub fn version() -> String {
 	let sha3 = short_sha();
@@ -64,4 +55,4 @@ pub fn version_data() -> Bytes {
 	s.append(&rustc_version());
 	s.append(&&Target::os()[0..2]);
 	s.out()
-}
+}