def test_decode(self):
"""
Converting a sequence of trytes into a Unicode string.
"""
trytes = TryteString(b'LH9GYEMHCF9GWHZFEELHVFOEOHNEEEWHZFUD')
self.assertEqual(trytes.decode(), '你好，世界！')
def test_decode_strip(self):
"""
Strip trailing padding from a TryteString before converting.
"""
# Note odd number of trytes!
trytes = TryteString(
b'LH9GYEMHCF9GWHZFEELHVFOEOHNEEEWHZFUD9999999999999')
self.assertEqual(trytes.decode(), '你好，世界！')
def test_decode_no_strip(self):
"""
Prevent stripping trailing padding when converting to string.
"""
trytes = TryteString(
b'LH9GYEMHCF9GWHZFEELHVFOEOHNEEEWHZFUD999999999999')
self.assertEqual(
trytes.decode(strip_padding=False),
'你好，世界！\x00\x00\x00\x00\x00\x00',
)
def run(address, hostname, port):
dataset = {}
print 'Using IOTA light node %s:%s' % (hostname, port)
print 'Finding transactions from address %s' % address
command = {
'command': 'findTransactions',
'addresses': [address[:-9]]
}
stringified = json.dumps(command)
request = urllib2.Request(url="%s:%s" % (hostname, port), data=stringified, headers=headers)
returnData = urllib2.urlopen(request).read()
jsonData = json.loads(returnData)
if 'hashes' in jsonData:
print 'Transactions found, retrieving last 10...'
command = {
'command': 'getTrytes',
'hashes': jsonData['hashes'][-10:]
}
stringified = json.dumps(command)
request = urllib2.Request(url="%s:%s" % (hostname, port), data=stringified, headers=headers)
returnData = urllib2.urlopen(request).read()
jsonData = json.loads(returnData)
tx_count = 1
if 'trytes' in jsonData:
num_tx = len(jsonData['trytes'])
for tryte in jsonData['trytes']:
tx = Transaction.from_tryte_string(tryte)
enc_message = TryteString(tx.signature_message_fragment)
epoch = datetime.datetime.fromtimestamp(float(tx.attachment_timestamp)/1000.)
fmt = "%Y-%m-%d %H:%M:%S"
timestamp = epoch.strftime(fmt)
try:
data = json.loads(enc_message.decode())
except ValueError:
# Decoding seems to blow up every so often.
pass
# These are specific to my mqtt data stream, need to make this more flexible.
if 'topic' in data and 'mcutemp' in data:
dataset[timestamp] = {'device': data['topic'], 'temp': data['mcutemp'], 'tx': tx.hash}
print 'Fetching transaction %s of %s ...' % (tx_count, num_tx)
tx_count += 1
sorted_data = OrderedDict(sorted(dataset.items(), key=lambda x: parse(x[0])))
for value in sorted(sorted_data.keys(), reverse=True):
print '%s %s' % (value, sorted_data[value])
def verify_tangle(iota, tasks):
txn_list = iota.find_transactions()
txn_all_msg = []
# TODO: check value
for txn in iota.get_info_transactions(txn_list):
confirmed_t, addr_t, value_t, tag_t, msg_t = txn
t = TryteString(tag_t)
tag = t.decode()
if tasks.check_tag(tag):
m = TryteString(msg_t)
msg = m.decode()
print 'Found task: ', tag
tasks.add_task(tag, msg)
else:
print 'No new tasks...'
def trytes_to_ascii(trytes): message = '' value='' timestamp='' tag='' for m in range(2,2188): message = TryteString(message + trytes[m]) for l in range(2270,2297): value = TryteString(value + trytes[l]) for n in range(2594,2621): tag = TryteString(tag + trytes[n]) for o in range(2324,2333): timestamp = TryteString(timestamp + trytes[o]) return message.decode(),tag,int(int_from_trits(value.as_trits())),int(int_from_trits(timestamp.as_trits()))
def get_message(txHash):
print 'Fetching TX details...\n'
command = {'command': 'getTrytes', 'hashes': [tx_hash]}
stringified = json.dumps(command)
headers = {'content-type': 'application/json', 'X-IOTA-API-Version': '1'}
request = urllib2.Request(url="https://iota-3.de:14267",
data=stringified,
headers=headers)
returnData = urllib2.urlopen(request).read()
jsonData = json.loads(returnData)
txtrytes = jsonData['trytes'][0][0:2187]
trytes = TryteString(bytes(txtrytes))
message = trytes.decode()
return message
def to_text(data):
data = TryteString.decode(data)
return str(data)
