Miner tests (#1597)

* Un-ignoring RPC test

* Additional tests for importing transactions

util/table/src/lib.rs

@@ -16,7 +16,6 @@
 
 //! A collection associating pair of keys (row and column) with a single value.
 
-use std::default::Default;
 use std::hash::Hash;
 use std::collections::HashMap;
 
@@ -25,22 +24,13 @@ use std::collections::HashMap;
 /// You can obviously use `HashMap<(Row,Col), Val>`, but this structure gives
 /// you better access to all `Columns` in Specific `Row`. Namely you can get sub-hashmap
 /// `HashMap<Col, Val>` for specific `Row`
+#[derive(Default, Debug, PartialEq)]
 pub struct Table<Row, Col, Val>
 	where Row: Eq + Hash + Clone,
 		  Col: Eq + Hash {
 	map: HashMap<Row, HashMap<Col, Val>>,
 }
 
-impl<Row, Col, Val> Default for Table<Row, Col, Val>
-	where Row: Eq + Hash + Clone,
-		  Col: Eq + Hash {
-	fn default() -> Self {
-		Table::new()
-	}
-}
-
-// There is default but clippy does not detect it?
-#[cfg_attr(feature="dev", allow(new_without_default))]
 impl<Row, Col, Val> Table<Row, Col, Val>
 	where Row: Eq + Hash + Clone,
 		  Col: Eq + Hash {