def prova_ledger():
r2 = topology_node('r2', 'R')
r3 = topology_node('r3', 'R')
r5 = topology_node('r5', 'R')
tx = transaction(r2, r5)
tx2 = transaction(r3, r5)
txset = transaction_set([tx, tx2])
l = full_ledger(0, txset)
b = light_blockchain()
b.add_ledger(l)
b.add_ledger(l)
b.add_ledger(l)
ledgers = b.ledgers()
print ledgers
l2 = full_ledger(2, txset)
l3 = full_ledger(3, txset)
l4 = full_ledger(4, txset)
l5 = full_ledger(5, txset)
l6 = full_ledger(6, txset)
l7 = full_ledger(7, txset)
b = full_blockchain((7, 3))
b.add_ledger(l)
b.add_ledger(l2)
b.add_ledger(l3)
b.add_ledger(l4)
b.add_ledger(l5)
b.add_ledger(l6)
print 'size: ' + str(b.size())
b.add_ledger(l7)
print 'size after: ' + str(b.size())
ledgers = b.ledgers()
print ledgers
def prova_scambio_proposal():
r2 = topology_node('r2', 'R')
r3 = topology_node('r3', 'R')
r5 = topology_node('r5', 'R')
tx = transaction(r2, r5)
tx2 = transaction(r3, r5)
trans = [tx, tx2]
b = light_blockchain()
s = server('127.0.0.100',
10000,
0.8,
5,
10, {}, {},
10,
20,
validators=[],
unl=['127.0.0.101:10000'])
s2 = server('127.0.0.101',
10000,
0.8,
5,
10, {}, {},
10,
20,
validators=[],
unl=['127.0.0.100:10000'])
c = client('127.0.0.102', '10000', [s, s2])
c.ask_client_registration()
c.send_transactions(trans)
s.start()
s2.start()
time.sleep(10)
s.stop()
s2.stop()
def prova_stampa_proposal():
r2 = topology_node('r2', 'R')
r3 = topology_node('r3', 'R')
r5 = topology_node('r5', 'R')
tx = transaction(r2, r5)
tx2 = transaction(r3, r5)
txset = transaction_set([tx, tx2])
my_pos = proposal('0', 1, txset, '0')
print str(my_pos.tx_set())
def prova_transazioni():
r2 = topology_node('r2', 'R')
r3 = topology_node('r3', 'R')
r5 = topology_node('r5', 'R')
tx = transaction(r2, r5)
tx2 = transaction(r3, r5)
tx3 = transaction(r3, r5)
unapproved = {tx: 0, tx2: 0}
if tx3 in unapproved:
print 'OK'
assert tx2 == tx3
def prova_id_txset():
r2 = topology_node('r2', 'R')
r3 = topology_node('r3', 'R')
r5 = topology_node('r5', 'R')
tx = transaction(r2, r5)
tx2 = transaction(r3, r5)
txset = transaction_set([tx, tx2])
r2b = topology_node('r2', 'R')
r3b = topology_node('r3', 'R')
r5b = topology_node('r5', 'R')
txb = transaction(r2b, r5b)
tx2b = transaction(r3b, r5b)
txset2 = transaction_set([tx, tx2])
return txset.id() == txset2.id()
def prova_invio_messaggi():
s = server('127.0.0.3', 10005, [])
c = client('127.0.0.4', 10005, [s])
r2 = topology_node('r2', 'R')
r3 = topology_node('r3', 'R')
r5 = topology_node('r5', 'R')
tx = transaction(r2, r5)
tx2 = transaction(r3, r5)
txset = transaction_set([tx, tx2])
mh = message_header(c.id(), c.signature(), 'm1', 0,
message_type.transaction_set)
mp = message_payload(txset)
msg = message(mh, mp)
c.send_all(msg)
def install(self, raise_exc=True, log_exc=True):
__traceback_info__ = self.productname
package = self.package
product = self.product
productname = self.productname
initializer = self.initializer
permissions = self.permissions
folder_permissions = get_folder_permissions()
init_data = None
try:
self.set_package_module_aliases()
self.set_package_misc_attrs()
# allow entry points that are "dummies" (e.g. just the module)
# in case the product doesn't have an initialize function that
# needs to be called
if callable(initializer):
init_data = initializer(self)
self.set_package_ac_permissions()
self.munge_package_meta_types()
self.set_package_methods()
if self.new_permissions:
new_permissions = self.new_permissions.items()
for permission, names in new_permissions:
folder_permissions[permission] = names
new_permissions.sort()
Folder.__ac_permissions__ = tuple(
list(Folder.__ac_permissions__) + new_permissions)
if not doInstall():
transaction().abort()
else:
transaction.get().note('Installed product ' + productname)
transaction.commit()
except:
if log_exc:
zLOG.LOG('Zope',
zLOG.ERROR,
'Couldn\'t install %s' % productname,
error=sys.exc_info())
transaction.abort()
if raise_exc:
raise
return init_data
def install(self, raise_exc=True, log_exc=True):
__traceback_info__ = self.productname
package = self.package
product = self.product
productname = self.productname
initializer = self.initializer
permissions = self.permissions
folder_permissions = get_folder_permissions()
init_data = None
try:
self.set_package_module_aliases()
self.set_package_misc_attrs()
# allow entry points that are "dummies" (e.g. just the module)
# in case the product doesn't have an initialize function that
# needs to be called
if callable(initializer):
init_data = initializer(self)
self.set_package_ac_permissions()
self.munge_package_meta_types()
self.set_package_methods()
if self.new_permissions:
new_permissions = self.new_permissions.items()
for permission, names in new_permissions:
folder_permissions[permission]=names
new_permissions.sort()
Folder.__ac_permissions__=tuple(
list(Folder.__ac_permissions__)+new_permissions)
if not doInstall():
transaction().abort()
else:
transaction.get().note('Installed product '+productname)
transaction.commit()
except:
if log_exc:
zLOG.LOG('Zope',zLOG.ERROR,'Couldn\'t install %s' % productname,
error=sys.exc_info())
transaction.abort()
if raise_exc:
raise
return init_data
def test_transaction(self):
from ptah.sqlautils import transaction
class SA(object):
commited = False
rollbacked = False
raise_commit = False
def commit(self):
if self.raise_commit:
raise RuntimeError()
self.commited = True
def rollback(self):
self.rollbacked = True
sa = SA()
trans = transaction(sa)
with trans:
pass
self.assertTrue(sa.commited)
sa = SA()
trans = transaction(sa)
try:
with trans:
raise ValueError()
except:
pass
self.assertTrue(sa.rollbacked)
sa = SA()
sa.raise_commit = True
trans = transaction(sa)
try:
with trans:
pass
except:
pass
self.assertTrue(sa.rollbacked)
def prova_ledger_equality():
r2 = topology_node('r2', 'R')
r3 = topology_node('r3', 'R')
r5 = topology_node('r5', 'R')
tx = transaction(r2, r5)
tx2 = transaction(r3, r5)
txset = transaction_set([tx, tx2])
l = full_ledger(0, txset)
tx3 = transaction(r2, r5)
tx4 = transaction(r3, r5)
txset2 = transaction_set([tx4, tx3])
l2 = full_ledger(0, txset2)
print 'Test: transaction_set sono uguali \n'
assert txset == txset2
print 'Test: ledger sono uguali \n'
assert l == l2
print 'Test: ledger sono diversi \n'
l3 = full_ledger(1, txset2)
assert l != l3
def __init__(self, f):
self.txns = []
f.readline() #ignore header
for line in f:
id, lbls, vec = line.translate(None, ',]\n').split('[')
lbls = lbls.split()
vec = map(float, vec.split())
vec = [i for i, e in enumerate(vec) if e > 0]
t = transaction(id, lbls, vec)
self.txns.append(t)
def get_honest_transactions_tree(num):
'''
Returns a list of transactions arranged as directed binary tree (arrows from father to children)
:param num: Number of transactions to be created, representing the edges in the tree
:return: list of transactions
'''
i = 1 # Incremental ID for the routers
t = 0 # Number of inserted transactions
routers = {}
trans = []
while (t < num):
routers['r' + str(i)] = topology_node('r' + str(i), 'R')
routers['r' + str(2*i)] = topology_node('r' + str(2*i), 'R')
routers['r' + str(2*i+1)] = topology_node('r' + str(2*i+1), 'R')
trans.append(transaction(routers['r' + str(i)], routers['r' + str(2*i)]))
trans.append(transaction(routers['r' + str(i)], routers['r' + str(2*i + 1)]))
i += 1
t += 2
if i == num+1:
del trans[len(trans)-1]
return trans
def get_honest_transactions():
'''
Returns the list of (104) honest transactions to be inserted in the blockchain.
The topology is a directed Mesh (from r1 you reach r60):
r1 -> r2 -> r3 -> ... -> r10
| | | ... |
v v v ... v
................
r51 -> r52 -> r53 -> ... -> r60
'''
routers = {}
for i in range(1, 61):
routers['r'+str(i)] = topology_node('r'+str(i), 'R')
trans = []
#Add orizzontal transactions
for i in range(1, 60):
if i % 10 != 0: # Add orizontal edge
trans.append(transaction(routers['r'+str(i)], routers['r'+str(i+1)]))
if i <= 50: # Add vertical edge
trans.append(transaction(routers['r' + str(i)], routers['r' + str(i + 10)]))
return trans
def build_txset_from_topo(topo):
# First build dictionary having key = node_name, value = node
nodes = {}
for n in topo:
node = topology_node(n["Name"], n["Type"])
nodes[n["Name"]] = node
# Then create transactions and finally pass them to the transaction_set
transactions = []
for n in topo:
for to in n["Neighbors"]:
tx = transaction(nodes[n["Name"]], nodes[to])
transactions.append(tx)
return transaction_set(transactions)
def prova_transazioni_delete():
def configure_client(config_file):
'''Uses the parameters defined in the configuration file to create a client and return it.'''
with open(config_file, 'r') as file:
obj = json.load(file)
ip = obj["ip"]
port = obj["port"]
validators = []
for v in obj["validators"]:
v_id = v["ip"] + ":" + v["port"]
validators.append(v_id)
return client(ip, port, validators)
c = configure_client("file_config_prova/client1_config.json")
c.ask_client_registration()
trans = []
r3 = topology_node('r3', 'R')
r4 = topology_node('r4', 'R')
r2 = topology_node('R2', 'R')
trans.append(transaction(r3, r4, False))
trans.append(transaction(r4, r3, False))
c.send_transactions(trans)
def add_easy():
args = request.form
if not ("fro" in args.keys()): return form_add_easy()
if not ("too" in args.keys()): return form_add_easy()
if not ("value" in args.keys()): return form_add_easy()
if not ("mne" in args.keys()): return form_add_easy()
fro, too, value, mne = [args[zw] for zw in ["fro", "too", "value", "mne"]]
if len(mne) < 10 or mne == "auto":
if "mne" in session.keys():
mne = session["mne"]
value = int(value)
if value <= 0:
return with_go_back(
"Nice try noob. Setting your Balance to -1 Million Euros. Please pay up as soon as you are able to.<br><br>Measuring your worth....<br><br>Estimation suggests that you wont be able to pay this back....<br><br>Contacting credit institutes.....<br><br>Not enough. Require Payback.....<br>Contacting dark net hitman...<br><br>Positive Confirmation...<br><br>In case of succesful assasination, your death will be billed to your closest Relative...<br><br><br>Good bye. Hope you are happy with our service."
)
try:
sk, pk, opk = gen_keys(mne)
except:
return with_go_back(
"This is not a valid mnemonic. Please try again or contact your nodes host"
)
#u=load_user(fro)
try:
u = load_user(fro)
except:
return with_go_back(
f"The user {fro} was not found and can thus not pay anything")
if not u.key == opk.hex():
return with_go_back(
f"This is not the rigth mnemonic for the user {fro}. Sadly, mnemonics can not be reconstructed, but maybe you just try again."
)
t = transaction(fro, too, value)
t.signate(sk)
if not t.verify(pk):
return with_go_back(
f"This transaction did not pass the self test. Contact your nodes host."
)
t.save()
push()
return with_go_back(
f"Gratulations! This worked and you are now {value} ct poorer")
def prova_size_txset():
c = client('127.0.0.12', 10000, [])
r2 = topology_node('r2', 'R')
r3 = topology_node('r3', 'R')
r5 = topology_node('r5', 'R')
r6 = topology_node('r6', 'R')
r7 = topology_node('r7', 'R')
r8 = topology_node('r8', 'R')
tx = transaction(r2, r5)
tx2 = transaction(r3, r5)
tx3 = transaction(r6, r5)
tx4 = transaction(r2, r6)
tx5 = transaction(r2, r7)
tx6 = transaction(r2, r8)
tx7 = transaction(r3, r6)
tx8 = transaction(r3, r7)
tx9 = transaction(r3, r8)
tx10 = transaction(r7, r8)
transactions = [tx]
tx_set = transaction_set(transactions)
header = message_header(c.id(), c.signature(), 'id', 0,
message_type.transaction_set)
payload = message_payload(tx_set)
msg = message(header, payload)
msg_bin = pickle.dumps(msg)
print 'Size in bytes with one transaction: ' + str(sys.getsizeof(msg_bin))
tx_set.add_transaction(tx2)
payload = message_payload(tx_set)
msg = message(header, payload)
msg_bin = pickle.dumps(msg)
print 'Size in bytes with 2 transaction: ' + str(sys.getsizeof(msg_bin))
transactions = [tx3, tx4, tx5]
for t in transactions:
tx_set.add_transaction(t)
payload = message_payload(tx_set)
msg = message(header, payload)
msg_bin = pickle.dumps(msg)
print 'Size in bytes with 10 transaction: ' + str(sys.getsizeof(msg_bin))
def test_user_repo(clean_db):
with transaction():
assert user_repo.list() == []
with transaction():
user1_id = user_repo.add(User('celine', 'Celine Yeh'))
assert user1_id == 1
user2_id = user_repo.add(User('antonio', 'Antonio Hong'))
assert user2_id == 2
with transaction():
user_info = [
(user.id, user.username, user.display_name)
for user in user_repo.list()
]
assert user_info == [
(1, 'celine', 'Celine Yeh'),
(2, 'antonio', 'Antonio Hong'),
]
with transaction():
user = user_repo.get(1)
assert user.username == 'celine'
assert user.display_name == 'Celine Yeh'
with transaction():
user_repo.delete(1)
with transaction():
user_info = [
(user.id, user.username, user.display_name)
for user in user_repo.list()
]
assert user_info == [
(2, 'antonio', 'Antonio Hong'),
]
with transaction():
with pytest.raises(NoResultFound):
user_repo.get(1)
#
# x to exit
#
# ignore anything else
#
userInput = input("")
if (userInput == 'x'):
exit()
#create a transaction and update the blockchain
#
#
#************************TODO****************************
# this must be updated or put into a function so that it can
# send updated blocks to the other machine's in the
elif (userInput == 't'):
newTransaction = transaction(2) #our store number is 2
newTransaction.setTransaction()
newBlock = newTransaction.makeBlock()
updateBlockchain(newBlock)
updateOtherBlockchains(newBlock)
continue
#*********************************************************
elif (userInput == 's'):
#this is the search tree. This will continue until the user backs out of it
while (True):
print(
"Type 'd' to search by date, 's' to search by store ID, or 't' to search by transaction id. (type 0 to return to main screen)"
)
check = input("")
if (check == 'd'):
searchByDateInterface()
def prova_deletion():
r3 = topology_node('r3', 'R')
r3b = topology_node('r1', 'R')
r4a = topology_node('X4', 'A')
r5a = topology_node('X5', 'A')
r6a = topology_node('X6', 'A')
r7a = topology_node('X7', 'A')
r2 = topology_node('R2', 'R')
r5 = topology_node('r5', 'R')
tx = [
transaction(r3, r4a),
transaction(r4a, r3),
transaction(r3, r7a),
transaction(r7a, r3),
transaction(r5, r4a),
transaction(r2, r3),
transaction(r2, r7a),
transaction(r3b, r3),
transaction(r6a, r4a),
transaction(r5, r3),
transaction(r5, r7a),
transaction(r7a, r2)
]
c = configure_client("file_config_prova/client1_config.json"
) # TODO va specificato da linea di comando
register_client(c)
c.send_transactions(tx)
choice = raw_input(
"\n---------Press any button to delete r5 -----------\n")
tx = [transaction(r5, None, False)]
c.send_transactions(tx)
def newcustomerlogin():
count = 0
print("Please Enter the credentials:")
name = input("Please Enter Your Name :")
if name.isalpha():
pass
else:
print("Name Entered Is Not According To Rules: ")
newcustomerlogin()
cus_dob = input("Please Enter the DOB: in format 'yy-mm-dd'")
year, month, day = cus_dob.split('-')
isValidDate = True
try:
datetime.datetime(int(year), int(month), int(day))
except ValueError:
isValidDate = False
if (isValidDate):
pass
else:
print("DOB Entered Is Not According To Rules: ")
newcustomerlogin()
cus_address = input("Please Enter address:")
cus_phone = int(input("Enter your phone no. must be a 10 digit no."))
if len(str(cus_phone)) == 10:
pass
else:
print("Phone No. Entered Is Not According To Rules: ")
newcustomerlogin()
cus_adhar = int(input("Enter your addhaar card no."))
if len(str(cus_adhar)) == 10:
pass
else:
print("addhaar No. Entered Is Not According To Rules: ")
newcustomerlogin()
cus_pan = input("Enter your pan card details:")
if len(cus_pan) == 10:
if cus_pan.isalnum():
count1 = 1
if count1 == 0:
print("Pan No. Entered Is Not According To Rules: ")
newcustomerlogin()
cus_balance = int(input("Enter the Opening Amount:"))
cus_pas = input(
"Enter Your Password to database: \n Must be atleast of 8 characters and must contain a special character and a number "
)
if cus_pas.isalnum():
if len(cus_pas) > 7:
if re.match(r'[A-Za-z0-9@#$%^&+=]{8,}', cus_pas):
count = 1
pass
if count == 1:
print("Password Entered Is Not According To Rules: ".center())
newcustomerlogin()
cus_id = ""
while (len(cus_id) != 10):
n = random.randrange(0, 10)
cus_id = cus_id + str(n)
con = sql.connect("localhost", "root", "purbalok1", "bank")
cu = con.cursor()
qry = "Select * from customer"
cu.execute(qry)
count1 = cu.rowcount
con.commit()
con.close()
del qry
qry = (
"INSERT INTO customer "
"(Name, Account_No, Date_Of_Birth, Address, phone_no, Adhaar_No, PAN_No, Password, balance) "
"VALUES (%s, %s, %s, %s, %s, %s,%s,%s,%s)")
data = (name, cus_id, cus_dob, cus_address, cus_phone, cus_adhar, cus_pan,
cus_pas, cus_balance)
con = sql.connect("localhost", "root", "purbalok1", "bank")
cu = con.cursor()
cu.execute(qry, data)
count2 = cu.rowcount
con.commit()
con.close()
transaction(name, cus_id, cus_balance)
if count2 > count1:
print("data entered successful!!!")
inputuser()
else:
print("data not entered!!!!!")
inputuser()
value = int(input("How much do you pay\n"))
if value <= 0:
print("nice try, noob")
exit()
mnemo = input(
f"To verify this transaction, please add the mnemonic of {fro}\n")
sk, pk, opk = gen_keys(mnemo)
u = load_user(fro)
if not u.key == opk.hex():
print("This is not the rigth mnemonic. Canceling...")
exit()
t = transaction(fro, too, value)
t.signate(sk)
test = t.verify(pk)
if test:
print("Passed the self test")
else:
print("Failed the self test")
exit()
while input("Is this ok?, enter 'y' to save,strg+c to cancel") != "y":
pass
t.save()
dic['B_Hash'] = None
dic['size'] = None
h.update(str(dic))
self.B_Hash = h.getsha256()
return True
def getHash(self):
h = libhash()
dic = self.to_dict()
dic['B_Hash'] = None
dic['size'] = None
h.update(str(dic))
return h.getsha256()
if __name__ == "__main__":
t = transaction()
data = {}
data['TXID'] = "123"
t.update(data)
b = block()
b.add(t)
print(b.to_dict())
print(type(b.header))
