calculating refund inside transaction query
db function to calculate price per minute for app
binded all kick contract query to prevent sql injection
proper logging for kick contract
fix table schema app_node typo and default time on deleted_app
removed wrapper contract struct
removed migrating timer.sql
fixed some clippy warnings
app pricing calculation
add node in kick schema and type
improved handling
Clone on all app types
handle expected error on kick contract
validate both app and vm contracts
