#OptionWindow with Trackbars:
img = np.zeros((1,1,3), np.uint8)
cv2.namedWindow('OptionWindow', cv2.WINDOW_NORMAL)
cv2.createTrackbar('Gain','OptionWindow',280,480, setGain) # dB/100 = Gain (max 48 dB)
cv2.createTrackbar('Brightness','OptionWindow',240,511, setBrightness) # Max = 511, Default normalerweise 240...
cv2.imshow('OptionWindow',img)
while(True):
key = cv2.waitKey(1) & 0xFF
if key == ord('t'):
icCam.stopLive()
icCam.triggerSettings()
trig.singleTriggerSettings()
trig.settingsShutterClosed()
time.sleep(0.1)
trig.trigger()
time.sleep(0.4)
trig.settingsShutterOpen()
time.sleep(0.1)
trig.trigger()
time.sleep(0.4)
#icCam.getImprocPictures()
if key == ord('s'):
icCam.ImProc.saveImg(imagePath)
if key == ord('a'):
icCam.stopLive()
icCam.startLiveMode()
trig.setContinous()
if key == ord('q'):
break
class Vend(object):
# display states (screens)
STARTUP = 0
READY = 1
SALE = 2
TXREFUND = 3
SHUTDOWN = 4
def __init__(self):
""" connect hardware, initialize state dir """
self.trigger = Trigger()
self.display = Display()
self.current_address = None
self.cost = 0
self.set_state(Vend.STARTUP)
def get_listeners(self):
return ('tx', self.ix.recv_tx,
'ix', self.ix.recv_ix,
'txlvote', self.ix.recv_votes,
'block', self.recv_block)
def set_instantx(self, ix):
ix.set_vend(self)
self.ix = ix
def set_dashrpc(self, dashrpc):
self.dashrpc = dashrpc
# payment processing
def set_address_chain(self, bip32):
""" attach pycoin key instance """
self.bip32 = bip32
self.get_next_address()
def get_next_address(self, increment=False):
""" payment address to monitor """
self.current_address = self.bip32.get_next_address(increment)
self.ix.set_watch_address(self.current_address)
def set_product_cost(self, cost):
""" set required float value to trigger sale """
# convert to duffs
self.cost = int(cost * 1e8)
# vending processing
def trigger_sale(self):
self.set_state(Vend.SALE)
self.trigger.trigger()
Timer(15, lambda: self.set_state(Vend.READY), ()).start()
def show_txrefund(self):
self.set_state(Vend.TXREFUND)
Timer(10, lambda: self.set_state(Vend.READY), ()).start()
def set_state(self, state):
self.state = state
self.display.show_screen_number(
self.state, self.current_address, float(self.cost / 1e8))
# refunds processing
def recv_block(self, msg):
""" process tx refunds at each new block """
info(" --> new block: %s" % self.dashrpc._proxy.getblockcount())
self._process_refunds(msg)
def _process_refunds(self, msg): # noqa
for txid in self.ix.mempool:
# TODO check block contains tx payment to be refunded
if 'refunded' in self.ix.mempool[txid]:
continue
if 'processed' in self.ix.mempool[txid]:
if self.ix.mempool[txid]['processed']['refund'] > 0:
p = self.ix.mempool[txid]['processed']
refund_addr = self.select_return_address(txid)
info(' --> refunding %s to %s' % (p['refund'], refund_addr)) # noqa
self.sendtoaddress(refund_addr, p['refund'])
p['refunded'] = True
for txid in self.ix.mempool.keys():
# delete completed (sold/refunded) mempool entries
if 'processed' in self.ix.mempool[txid]:
p = self.ix.mempool[txid]['processed']
if ('refunded' in p or 'sold' in p):
label = ' + '.join(
[i for i in (
'sale' in p and 'SALE',
'refunded' in p and 'REFUND'
) if i])
debug(" --> deleting processed mempool txid: %s -- %s" % (txid, label)) # noqa
del self.ix.mempool[txid]
# delete non-target cached votes after 1 minute
elif 'recv_time' in self.ix.mempool[txid]:
# keep pending refunds in queue (insufficient funds)
if 'processed' in self.ix.mempool[txid]:
if ('refund' in self.ix.mempool[txid]['processed'] and
self.ix.mempool[txid]['processed']['refund'] > 0):
continue
if int(time.time()) - self.ix.mempool[txid]['recv_time'] > 60:
debug(" --> deleting stale mempool txid: %s" % txid)
del self.ix.mempool[txid]
def sendtoaddress(self, addr, amount):
p = self.dashrpc._proxy
try:
p.sendtoaddress(addr, amount)
except JSONRPCException:
warn("**********************************************************")
warn("INSUFFICIENT FUNDS TO PROCESS REFUND/BOUNCE FOR")
warn(" %s to %s " % (amount, addr))
warn(" wallet balance: %s" % (p.getbalance()))
warn("**********************************************************")
def get_txn(self, txid):
p = self.dashrpc._proxy
return p.decoderawtransaction(p.getrawtransaction(txid))
def select_return_address(self, txid):
prevout = self.get_txn(txid)[u'vin'][0]
source = self.get_txn(prevout[u'txid'])[u'vout']
return source[prevout[u'vout']][u'scriptPubKey'][u'addresses'][0]
