WHAT: node store, api, types refactoring; service creation; minor payout store changes; Change-Id: I5c52740730db49bc16393b07858354a2914846fb
Change-Id: I1e49f612ae967c770be5329f0ee41498866700ee
Change-Id: Ief40a97a7e120dccefc04c3c2eb78b8492dff17d