package Ġio . my k lay assets . app . android . repo . account Ċ Ċ import Ġio . android al atan . datastore . preference . annotations . getter . GetString Ċ import Ġio . android al atan . datastore . preference . annotations . setter . Set Ċ import Ġio . reactivex . rx java 3 . core . Observable Ċ import Ġio . reactivex . rx java 3 . core . Single Ċ Ċ interface ĠAccount Prefs Ġ{ ĊĠĠĠ Ġ@ Set ( KEY _ WAL LET _ ADDRESS ) ĊĠĠĠ Ġfun Ġset Wallet Address ( address : ĠString ): ĠSingle < Boolean > ĊĊĠĠĠ Ġ@ GetString ( KEY _ WAL LET _ ADDRESS ) ĊĠĠĠ Ġfun Ġobserve Wallet Address (): ĠObservable < String > ĊĊĠĠĠ Ġcompanion Ġobject Ġ{ ĊĠĠĠĠĠĠĠ Ġconst Ġval ĠKEY _ WAL LET _ ADDRESS Ġ= Ġ" al dj wi u " ĊĠĠĠ Ġ} Ċ }