def purchase(amount, detail = {})
params = {
contract_code: self.contract_code,
user_id: detail[:user_id],
user_name: detail[:user_name],
user_mail_add: detail[:user_email],
item_code: detail[:item_code],
item_name: detail[:item_name],
order_number: detail[:order_number],
st_code: '10000-0000-00000-00000-00000-00000-00000',
mission_code: EpsilonMissionCode::PURCHASE,
item_price: amount,
process_code: EpsilonProcessCode::REGISTERED,
gmo_id: detail[:gmo_id],
gmo_card_id: detail[:gmo_card_id],
}
commit(PATHS[:purchase], params)
end