nl_tokens: Make an API request
pl_tokens: function ( <mask> , callback ) { if ( ! ( 'headers' in options ) ) { options . headers = { } ; } options . json = true ; options . headers [ 'User-Agent' ] = Poloniex . USER_AGENT ; options . strictSSL = Poloniex . STRICT_SSL ; options . timeout = Poloniex . TIMEOUT ; return new Promise ( function ( resolve , reject ) { request ( options , function ( err , response , body ) { // Empty response if ( ! err && ( typeof body === 'undefined' || body === null ) ) { err = new Error ( 'Empty response from remote server' ) ; } if ( err ) { reject ( err ) ; } else { resolve ( body ) ; } if ( typeof callback === 'function' ) { callback ( err , body ) ; } } ) ; } ) ; }