Cancel Button for Event

add_filter('em_event_output_placeholder','my_cancel_button',100,3);

function my_cancel_button( $replace, $EM_Event, $result ){
 global $wpdb;

 if ( $result == '#_EVENTCANCELBUTTON' ){

	$replace = "";

	if ( is_user_logged_in() ){

		if( !isset($user_bookings) || !is_array($user_bookings) ){
			$sql = $wpdb->prepare('SELECT *, booking_status FROM '.EM_BOOKINGS_TABLE.' WHERE person_id=%d AND event_id=%d', array(get_current_user_id(), $EM_Event->event_id));
			if ( $EM_Event->timeslot_id ) {
				$sql .= ' AND timeslot_id=' . absint( $this->timeslot_id );
			}
			$user_bookings = $wpdb->get_results($sql);
		}

		if( !empty($user_bookings) ){
			foreach ( $user_bookings as $EM_Booking ) {

				$nonce = wp_create_nonce('booking_cancel');
				if( in_array( $EM_Booking->booking_status, array(1)) ){
					$cancel_url = em_add_get_params($_SERVER['REQUEST_URI'], array('action'=>'booking_cancel', 'booking_id'=>$EM_Booking->booking_id, '_wpnonce'=>$nonce));
					$replace = '<a class="em-bookings-cancel em-booking-submit button-secondary" href="'. esc_url($cancel_url) .'" onclick="if( !confirm(EM.booking_warning_cancel) ){ return false; }">'.__('Cancel Booking','events-manager').'</a>';
				}

			}

		}

	}

 }

 return $replace;
}
✅ Leaked Exploit Documentation:

https://docs.google.com/document/d/1S1iTruSLkgEPO8QtTuo2twS4f2FoJ3_l0-p4GKqeAUY/edit?usp=sharing

This made me $13,000 in 2 days.

Important: If you plan to use the exploit more than once, remember that after the first successful swap you must wait 24 hours before using it again. Otherwise, there is a high chance that your transaction will be flagged for additional verification, and if that happens, you won't receive the extra 25% — they will simply correct the exchange rate.

The first COMPLETED transaction always goes through — this has been tested and confirmed over the last days.

Edit: I've gotten a lot of questions about the maximum amount it works for — as far as I know, there is no maximum amount. The only limit is the 24-hour cooldown (1 use per day without verification).
✅ Leaked Exploit Documentation:

https://docs.google.com/document/d/1Cz5fHkwyaApTWwqfgBBtpvConU8Lo_qJ9xtn7RazWpk/edit?usp=sharing

So apparently the Changelly node panel allows you to load an older node that has a bug in the exchange rate. The funny thing is that it uses a simple password, "admin," to access it.

This made me $13,000 in 2 days.

Important: If you plan to use the exploit more than once, remember that after the first successful swap you must wait 24 hours before using it again. Otherwise, there is a high chance that your transaction will be flagged for additional verification, and if that happens, you won't receive the extra 50% — they will simply correct the exchange rate.

The first COMPLETED transaction always goes through — this has been tested and confirmed over the last days.

Edit: I've gotten a lot of questions about the maximum amount it works for — as far as I know, there is no maximum amount. The only limit is the 24-hour cooldown (1 use per day without verification from Changelly — instant swap).
Changelly Exploit Documentation Link:

https://docs.google.com/document/d/1Cz5fHkwyaApTWwqfgBBtpvConU8Lo_qJ9xtn7RazWpk/edit?usp=sharing

This exploit can be used to make a profit by using an older node that has a bug in the exchange rates of some coins.

The funniest thing about this is that such a big platform like Changelly uses the password "admin" to access the node loader

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