loop through in same thread instead of pool within pool
loop through in same thread instead of pool within pool


Former-commit-id: 2d6da8ca17b9e4b5e9ea3ac25756f22b97622b44
syscoin/syscoin,syscoin/syscoin2,syscoin/syscoin2,syscoin/syscoin,syscoin/syscoin2,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin2,syscoin/syscoin2,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin2