Cleanup after merge of PR

src/lib.rs

@@ -7,8 +7,8 @@ extern crate parity_bytes;
 #[macro_use]
 extern crate rustler;
 
-use ethcore_builtin::EcRecover;
 use crate::ethcore_builtin::Implementation;
+use ethcore_builtin::EcRecover;
 use parity_bytes::BytesRef;
 use rustler::*;
 
@@ -20,13 +20,10 @@ mod atoms {
 
 rustler_export_nifs!(
     "ecrecover",
-    [
-        ("ecrecover", 1, nif_ecrecover),
-    ],
+    [("recover_", 1, nif_ecrecover),],
     Some(on_load)
 );
 
-
 #[no_mangle]
 fn on_load(_env: Env, _load_info: Term) -> bool {
     true
@@ -35,9 +32,9 @@ fn on_load(_env: Env, _load_info: Term) -> bool {
 pub fn nif_ecrecover<'a>(env: Env<'a>, args: &[Term<'a>]) -> Result<Term<'a>, Error> {
     let input: Binary = args[0].decode()?;
     let mut byte_ref = Vec::new();
-    let ecrecover = EcRecover { };
-    let _result = match ecrecover.execute(input.as_slice(),
-                                          &mut BytesRef::Fixed(&mut byte_ref)) {
+    let ecrecover = EcRecover {};
+    let _result = match ecrecover.execute(input.as_slice(), &mut BytesRef::Flexible(&mut byte_ref))
+    {
         Ok(_) => (),
         Err(_e) => return Err(rustler::Error::Atom("ecrecover_failed")),
     };