def init(card,aid,pix,deposit): from transport_card import validate,set_deposit,register_contract,clear validate(card) set_deposit(card,deposit) clear(card,[(STATIC,KEY,'dynamic'),(DYNAMIC,KEY,'dynamic')]) static_sector = card.sector(num = STATIC, key = 0, enc = ENC, method = 'full', read = False) term_init(p(static_sector.data),p(TERM_INIT(aid,pix))) static_sector.data.crc16_calc(low_endian = 1) event = EVENT_CONTRACT(card, AID = aid, PIX = pix, TransactionType = 0) try: static_sector.write() static_sector.set_trailer(KEY, mode = 'dynamic') dynamic_sector = card.sector(num = DYNAMIC, key = 0, enc = 0xFF, method = 'full', read = False) dynamic_sector.data.cast(DYNAMIC_A).__init__(TERM_DYNAMIC) dynamic_sector.write() dynamic_sector.set_trailer(KEY, mode = 'dynamic') register_contract(card,STATIC,aid,pix) except Exception as e: event.set_error_code(e); raise finally: event.save(card)
def refill(card,amount): cost,(begin,end) = available_refill(*card.contract()) if purse.change_value(card,amount) < cost: return 0 purse.change_value(card,-cost) events = [] static_sector,static_data = read_static(card) dyn_sector,dyn_proxy,dyn_data = read_dynamic(card) if not static_data.active(): sell_event = EVENT_CONTRACT(card, Value = cost) sell_event.LocalTransactions = dyn_data.update() events.append(sell_event) static_data.refill(begin,end) term_pack = ((end.year - 2000) << 8) + end.month refill_event = EVENT_CONTRACT_ADD2(card,TransactionValue=term_pack,Amount=cost) refill_event.LocalTransactions = dyn_data.update() events.append(refill_event) try: dyn_proxy.commit(dyn_data,low_endian = 1) dyn_sector.write() card.auth(static_sector) static_sector.data.crc16_calc(low_endian = 1) static_sector.write() except Exception as e: [event.set_error_code(e) for event in events]; raise finally: [event.save(card) for event in events] return cost
def remove(card): from transport_card import validate,set_deposit,clear,register_contract validate(card) event = EVENT_CONTRACT(card, AID = AID, PIX = PIX, TransactionType = 1) try: clear(card,sectors = [(SECTOR,KEY,'static')]) register_contract(card,SECTOR,0,0) except Exception as e: event.set_error_code(e); raise finally: event.save(card) set_deposit(card,0)
def remove(card): from transport_card import validate,set_deposit,register_contract,clear validate(card) aidpix = card.contract_list[0] if len(card.contract_list) else 0 event = EVENT_CONTRACT(card, AID = aidpix >> 12, PIX = aidpix & 0xFFF, TransactionType = 1) try: clear(card,[(STATIC,KEY,'dynamic'),(DYNAMIC,KEY,'dynamic')]) register_contract(card,STATIC,0,0) except Exception as e: event.set_error_code(e); raise finally: event.save(card) set_deposit(card,0)
def init(card,deposit): from transport_card import validate,set_deposit,register_contract validate(card) set_deposit(card,deposit) jsector = CONTRACT_A(CONTRACT1_STATIC,CONTRACT1_DYNAMIC) sector = card.sector(num=SECTOR,key=0,enc=ENCRYPTION,read=False) sector.data = ByteArray(jsector) event = EVENT_CONTRACT(card, AID = AID, PIX = PIX, TransactionType = 0) try: sector.write() sector.set_trailer(KEY) register_contract(card,SECTOR,AID,PIX) except Exception as e: event.set_error_code(e); raise finally: event.save(card)