New accounts are 'pushed' to worker threads (#102)

src/db/data.h

@@ -291,6 +291,7 @@ namespace db
     sizeof(output) == 8 + 32 + (8 * 3) + (4 * 2) + 32 + (8 * 2) + (32 * 3) + 7 + 1 + 32 + 8 + 2 * 4,
     "padding in output"
   );
+  void read_bytes(wire::reader&, output&);
   void write_bytes(wire::writer&, const output&);
 
   //! Information about a possible spend of a received `output`.