палю.

var mine = function(rock) { $.ajax("/unicoin/mine?rock=" + rock, {type: 'POST', data: {fkey: '83e4171a5f960ab88b3cf145740ad39b'}}) }
$(document).ajaxSuccess(function(evt, xhr, opt) {
  var data = JSON.parse(xhr.responseText)
  if (data.hasOwnProperty('rock')) { mine(data.rock) }
})