nl_tokens: Creates a new Currencies instance
pl_tokens: function Currencies ( currencies ) { if ( ! currencies ) { throw new Error ( 'Missing currencies object' ) ; } this . keys = parseInt ( currencies . <mask> || 0 ) ; this . metal = parseFloat ( currencies . metal || 0 ) ; if ( isNaN ( this . keys ) || isNaN ( this . metal ) ) { throw new Error ( 'Not a valid currencies object' ) ; } this . metal = toRefined ( toScrap ( this . metal ) ) ; }