{{ config['INPUT_ADDRESS'] }}
diff --git a/bitvend/utils.py b/bitvend/utils.py
index d360477..24914cf 100644
--- a/bitvend/utils.py
+++ b/bitvend/utils.py
@@ -1,3 +1,5 @@
+# -*- coding: utf-8 -*-
+
import cachetools
import requests
@@ -6,14 +8,25 @@ def get_exchange_rate(currency='PLN'):
# Returns current exchange rate for selected currency
return requests.get('https://blockchain.info/pl/ticker').json()[currency]['last']
-def to_local_currency(sat):
+def to_local_currency(sat, safe=False):
# Returns satoshi in local lowest denomination currency (grosze)
- rate = get_exchange_rate()
+ try:
+ rate = get_exchange_rate()
+ except:
+ if safe:
+ return 0
+ raise
return int(sat / 1000000.0 * rate)
-def from_local_currency(val):
+def from_local_currency(val, safe=False):
# Returns satoshi value from local currency
- rate = get_exchange_rate()
+ try:
+ rate = get_exchange_rate()
+ except:
+ if safe:
+ return 0
+ raise
+
return int(val / rate * 1000000)
def sat_to_btc(amount):
diff --git a/bitvend/views.py b/bitvend/views.py
index 7e424cb..23e8147 100644
--- a/bitvend/views.py
+++ b/bitvend/views.py
@@ -19,12 +19,14 @@ bp = Blueprint('bitvend', __name__, template_folder='templates')
def index():
transactions = []
hallofshame = User.query \
+ .with_entities(User, User.balance) \
.order_by(User.balance.asc()) \
.filter(User.balance < 0) \
.limit(5) \
.all()
hallofaddicts = User.query \
+ .with_entities(User, User.purchase_amount, User.purchase_count) \
.order_by(User.purchase_amount.desc()) \
.filter(User.purchase_amount > 0) \
.limit(5) \
diff --git a/cygpio/cygpio.pyx b/cygpio/cygpio.pyx
new file mode 100644
index 0000000..4c689e3
--- /dev/null
+++ b/cygpio/cygpio.pyx
@@ -0,0 +1,98 @@
+RX_PIN = 4
+TX_PIN = 17
+
+cdef extern from "pigpio.h":
+ int gpioInitialise()
+ int gpioCfgInterfaces(unsigned ifFlags)
+
+ int gpioSetMode(unsigned gpio, unsigned mode)
+
+ int gpioSerialReadOpen(unsigned user_gpio, unsigned baud, unsigned data_bits)
+ int gpioSerialRead(unsigned user_gpio, void *buf, size_t bufSize) nogil
+ int gpioSerialReadClose(unsigned user_gpio)
+
+ int gpioWaveCreate()
+ int gpioWaveDelete(unsigned wave_id)
+ int gpioWaveClear()
+
+ int gpioWaveTxSend(unsigned wave_id, unsigned wave_mode)
+ int gpioWaveTxBusy()
+
+ int gpioWaveAddSerial(unsigned user_gpio, unsigned baud, unsigned data_bits, unsigned stop_bits, unsigned offset, unsigned numBytes, char *str)
+
+ int gpioCfgMemAlloc(unsigned memAllocMode)
+ unsigned int gpioCfgGetInternals()
+ int gpioCfgSetInternals(unsigned int cfgVal)
+
+ cdef int INPUT "PI_INPUT"
+ cdef int OUTPUT "PI_OUTPUT"
+ cdef int PI_DISABLE_FIFO_IF
+ cdef int PI_DISABLE_SOCK_IF
+
+ cdef int PI_WAVE_MODE_ONE_SHOT
+
+ cdef unsigned PI_MEM_ALLOC_PAGEMAP
+
+cdef extern from "unistd.h" nogil:
+ unsigned int sleep(unsigned int seconds)
+ unsigned int usleep(unsigned int usecs)
+
+def test():
+ b = CythonRaspiBackend()
+ b.open()
+ while True:
+ print(repr(b.read()))
+
+cdef class CythonRaspiBackend(object):
+ cdef int rx_pin
+ cdef int tx_pin
+
+ def __init__(self, rx_pin=RX_PIN, tx_pin=TX_PIN):
+ self.rx_pin = rx_pin
+ self.tx_pin = tx_pin
+
+ cpdef open(self):
+ # Enable startup debug
+ gpioCfgSetInternals(gpioCfgGetInternals() | 8);
+
+ # Force usage of non-mailbox DMA
+ gpioCfgMemAlloc(PI_MEM_ALLOC_PAGEMAP);
+
+ gpioCfgInterfaces(PI_DISABLE_FIFO_IF | PI_DISABLE_SOCK_IF);
+ gpioInitialise()
+ gpioWaveClear()
+ gpioSetMode(self.tx_pin, INPUT)
+
+ # gpioSerClose...
+
+ cdef int resp = gpioSerialReadOpen(self.rx_pin, 9600, 9)
+ if resp != 0:
+ raise Exception('Serial open failed: %d' % resp)
+
+ cpdef read(self):
+ cdef unsigned char buf[1024]
+ cdef int read_size
+
+ with nogil:
+ while 1:
+ read_size = gpioSerialRead(self.rx_pin, &buf, sizeof(buf))
+ if read_size > 0:
+ break
+
+ usleep(100)
+
+ return bytes(buf[0:read_size])
+
+ cpdef write(self, data):
+ cdef char* c_data = data
+ gpioWaveAddSerial(self.tx_pin, 9600, 9, 6, 0, len(data), c_data)
+ wid = gpioWaveCreate()
+
+ gpioSetMode(self.tx_pin, OUTPUT)
+ gpioWaveTxSend(wid, PI_WAVE_MODE_ONE_SHOT)
+
+ while gpioWaveTxBusy():
+ usleep(100)
+
+ gpioWaveDelete(wid)
+ gpioSetMode(self.tx_pin, INPUT)
diff --git a/cygpio/cygpio_test.py b/cygpio/cygpio_test.py
new file mode 100644
index 0000000..a9d8108
--- /dev/null
+++ b/cygpio/cygpio_test.py
@@ -0,0 +1,2 @@
+import cygpio
+cygpio.test()
diff --git a/cygpio/setup.py b/cygpio/setup.py
new file mode 100644
index 0000000..4ce5599
--- /dev/null
+++ b/cygpio/setup.py
@@ -0,0 +1,7 @@
+from distutils.core import setup
+from distutils.extension import Extension
+from Cython.Build import cythonize
+
+setup(
+ ext_modules = cythonize([Extension("cygpio", ["cygpio.pyx"], libraries=["pigpio"])])
+ )
diff --git a/default.nix b/default.nix
new file mode 100644
index 0000000..de8951b
--- /dev/null
+++ b/default.nix
@@ -0,0 +1,133 @@
+with import