let err_str = e.get_ref().unwrap().to_string();
if !err_str.contains("Transaction already in block chain")
&& !err_str.contains("Inputs missing or spent")
let err_str = e.get_ref().unwrap().to_string();
if !err_str.contains("Transaction already in block chain")
&& !err_str.contains("Inputs missing or spent")