def process_using_lnurl(amt):
"""Processes receiving an amount using the lnurl scheme
"""
# get the new lnurl
display.update_lnurl_generation()
logger.info("LNURL requested")
print("LNURL requested")
lnurl = request_lnurl(amt)
print(lnurl["lnurl"])
# Check EPD_SIZE is defined
utils.check_epd_size()
# create a qr code image and print it to terminal
qr_img = generate_lnurl_qr(lnurl["lnurl"])
qr_img = qr_img.resize((96, 96), resample=0)
# draw the qr code on the e-ink screen
draw_lnurl_qr(qr_img)
# get the balance? back from the bot
start_balance = get_lnurl_balance()
print(start_balance)
# loop while we wait for a balance update or until timeout reached
success = wait_for_balance_update(start_balance, timeout=90)
if success:
display.update_thankyou_screen()
logger.info("LNURL withdrawal succeeded")
return
else:
# TODO: I think we should handle a failure here
logger.error("LNURL withdrawal failed (within 90 seconds)")
def handle_invoice(draw, image):
"""Decode a BOLT11 invoice. Ensure that amount is correct or 0, then attempt to
make the payment.
"""
decode_req = lightning.decode_request(config.INVOICE)
if decode_req == str(round(config.SATS)) or str(0):
lightning.payout(config.SATS, config.INVOICE)
result = lightning.last_payment(config.INVOICE)
draw.text(
(15, 70),
str(result),
fill=config.BLACK,
font=utils.create_font("freemono", 15),
)
config.PAPIRUS.display(image)
config.PAPIRUS.partial_update()
time.sleep(1)
if result is True:
display.update_thankyou_screen()
else:
display.update_payment_failed()
time.sleep(120)
logger.info("Initiating restart...")
os.execv("/home/pi/LightningATM/app.py", [""])
else:
print("Please show correct invoice")
def update_payout_screen(papirus):
# global INVOICE
## initially set all white background
image = Image.new('1', PAPIRUS.size, WHITE)
## Set width and heigt of screen
width, height = image.size
## prepare for drawing
draw = ImageDraw.Draw(image)
draw.rectangle((2, 2, width - 2, height - 2), fill=WHITE, outline=BLACK)
draw.text((15, 30),
str(round(SATS)) + ' sats',
fill=BLACK,
font=createfont('freemono', 20))
draw.text((15, 50),
'on the way!',
fill=BLACK,
font=createfont('freemono', 15))
PAPIRUS.display(image)
PAPIRUS.update()
# INVOICE = qr.scan()
decodreq = lightning.decoderequest(INVOICE)
print(decodreq, round(SATS))
if (decodreq == str(round(SATS))) or (decodreq == True):
lightning.payout(SATS, INVOICE)
result = lightning.lastpayment(INVOICE)
draw.text((15, 70),
str(result),
fill=BLACK,
font=createfont('freemono', 15))
PAPIRUS.display(image)
PAPIRUS.partial_update()
time.sleep(1)
if result == 'Success':
display.update_thankyou_screen()
else:
display.update_payment_failed()
time.sleep(120)
logging.info('Initiating restart...')
os.execv('/home/pi/LightningATM/app.py', [''])
else:
print('Please show correct invoice')
def handle_invoice():
"""Decode a BOLT11 invoice. Ensure that amount is correct or 0, then attempt to
make the payment.
"""
decode_req = decode_request(config.INVOICE)
if decode_req in (math.floor(config.SATS), 0):
payout(config.SATS, config.INVOICE)
result = last_payment(config.INVOICE)
if result is True:
display.update_thankyou_screen()
else:
display.update_payment_failed()
time.sleep(120)
logger.info("Initiating softreset...")
else:
print("Please show correct invoice")
def process_using_lnurl(amt):
"""Processes receiving an amount using the lnurl scheme
"""
# get the new lnurl
display.update_lnurl_generation()
logger.info("LNURL requested")
print("LNURL requested")
lnurl = request_lnurl(amt)
print(lnurl["lnurl"])
# Check EPD_SIZE is defined
utils.check_epd_size()
# create a qr code image and print it to terminal
qr_img = generate_lnurl_qr(lnurl["lnurl"])
print(type(qr_img))
print(qr_img.size)
qr_img = qr_img.resize((96, 96), resample=0)
print(qr_img.size)
# draw the qr code on the e-ink screen
draw_lnurl_qr(qr_img)
# get the balance? back from the bot
start_balance = get_lnurl_balance()
print(start_balance)
# loop while we wait for a balance update or until timeout reached
success = wait_for_balance_update(start_balance, timeout=90)
if success:
display.update_thankyou_screen()
logger.info("Initiating restart...")
os.execv("/home/pi/LightningATM/app.py", [""])
else:
# TODO: I think we should handle a failure here
pass
def generate_lnurl(amt):
display.update_lnurl_generation()
logging.info('LNURL requested')
print('LNURL requested')
data = {
'satoshis': str(round(amt)),
}
response = requests.post(
'https://lntxbot.alhur.es/generatelnurlwithdraw',
headers = {'Authorization' : 'Basic %s' % LNTXBOTCRED},
data=json.dumps(data),
)
response = json.loads(response.text)
print(response['lnurl'])
if os.path.exists('/etc/default/epd-fuse'):
exec(open('/etc/default/epd-fuse').read())
image = Image.new('1', PAPIRUS.size, BLACK)
qr = qrcode.QRCode(
version=1,
error_correction=qrcode.constants.ERROR_CORRECT_L,
box_size=2,
border=1,
)
qr.add_data(response['lnurl'].upper())
img = qr.make_image()
print(type(img))
print(img.size)
img = img.resize((96,96), resample=0)
print(img.size)
draw = ImageDraw.Draw(image)
draw.bitmap((0, 0), img, fill=WHITE)
draw.text((110, 25), 'Scan to', fill=WHITE, font=createfont('freemonobold',16))
draw.text((110, 45), 'receive', fill=WHITE, font=createfont('freemonobold',16))
PAPIRUS.display(image)
PAPIRUS.update()
response = requests.post(
'https://lntxbot.alhur.es/balance',
headers = {'Authorization' : 'Basic %s' % LNTXBOTCRED},
)
response = json.loads(response.text)
response = response['BTC']
balance = response['AvailableBalance']
print(balance)
newbalance = balance
while balance == newbalance:
response = requests.post(
'https://lntxbot.alhur.es/balance',
headers = {'Authorization' : 'Basic %s' % LNTXBOTCRED},
)
response = json.loads(response.text)
response = response['BTC']
newbalance = response['AvailableBalance']
print('Balance: ' + str(balance) +' (no changes)')
time.sleep(3)
print('Balance: ' + str(balance) +' | New Balance:' + str(newbalance))
logging.info('LNURL withdrawl succeeded')
print('LNURL withdrawl succeeded')
display.update_thankyou_screen()
logging.info('Initiating restart...')
os.execv('/home/pi/LightningATM/app.py', [''])
