resolved remaining issues & error binary serialization

ethcore/src/types/executed.rs

@@ -61,7 +61,7 @@ pub struct Executed {
 }
 
 /// Result of executing the transaction.
-#[derive(PartialEq, Debug)]
+#[derive(PartialEq, Debug, Binary)]
 pub enum ExecutionError {
 	/// Returned when there gas paid for transaction execution is
 	/// lower than base gas required.

ethcore/src/types/receipt.rs

@@ -28,6 +28,7 @@ use log_entry::{LogEntry, LocalizedLogEntry};
 use ipc::binary::BinaryConvertError;
 use std::mem;
 use std::collections::VecDeque;
+use rustc_serialize::hex::FromHex;
 
 /// Information describing execution of a transaction.
 #[derive(Default, Debug, Clone, Binary)]

ethcore/src/types/transaction.rs

@@ -29,6 +29,8 @@ use ethjson;
 use ipc::binary::BinaryConvertError;
 use std::mem;
 use std::collections::VecDeque;
+use rustc_serialize::hex::FromHex;
+use util::crypto::KeyPair;
 
 #[derive(Debug, Clone, PartialEq, Eq, Binary)]
 /// Transaction action type.