def test_create_petition(self):
## run service
checker_service_process = Process(
target=petition_contract.run_checker_service)
checker_service_process.start()
time.sleep(0.1)
## create transaction
# init
init_transaction = petition.init()
token = init_transaction['transaction']['outputs'][0]
# initialise petition
transaction = petition.create_petition(
(token, ), None, None, UUID, options, priv_owner, pub_owner, vvk)
## submit transaction
response = requests.post('http://127.0.0.1:5000/' +
petition_contract.contract_name +
'/create_petition',
json=transaction_to_solution(transaction))
self.assertTrue(response.json()['success'])
## stop service
checker_service_process.terminate()
checker_service_process.join()
def test_create_petition(self):
with petition_contract.test_service():
## create transaction
# init
init_transaction = petition.init()
token = init_transaction['transaction']['outputs'][0]
# initialise petition
transaction = petition.create_petition(
(token,),
None,
None,
UUID,
options,
sk_owners[0],
aggr_pk_owner,
t_owners,
n_owners,
aggr_vk
)
## submit transaction
response = requests.post(
'http://127.0.0.1:5000/' + petition_contract.contract_name
+ '/create_petition', json=transaction_to_solution(transaction)
)
self.assertTrue(response.json()['success'])
def test_sign(self):
## run service
checker_service_process = Process(
target=petition_contract.run_checker_service)
checker_service_process.start()
time.sleep(0.1)
## create transaction
# init
init_transaction = petition.init()
token = init_transaction['transaction']['outputs'][0]
# initialise petition
create_petition_transaction = petition.create_petition(
(token, ), None, None, UUID, options, priv_owner, pub_owner, vvk)
old_petition = create_petition_transaction['transaction']['outputs'][1]
old_list = create_petition_transaction['transaction']['outputs'][2]
# some crypto
# ------------------------------------
(priv_signer, pub_signer) = elgamal_keygen(bp_params)
m = priv_signer
(cm, c, proof_s) = prepare_blind_sign(bp_params, m, pub_signer)
enc_sigs = [
blind_sign(bp_params, ski, cm, c, pub_signer, proof_s)
for ski in sk
]
(h, enc_epsilon) = zip(*enc_sigs)
sigs = [(h[0], elgamal_dec(bp_params, priv_signer, enc))
for enc in enc_epsilon]
sig = aggregate_th_sign(bp_params, sigs)
sig = randomize(bp_params, sig)
(kappa, nu, proof_v) = show_coconut_petition(bp_params, vvk, m, UUID)
#print(coconut_petition_verify(bp_params, vvk, kappa, sig, proof_v, UUID, nu))
# ------------------------------------
# add signature to th petition
start = time.time()
transaction = petition.sign((old_petition, old_list), None,
(dumps([1, 0]), ), priv_signer, sig, vvk)
end = time.time()
print((end - start) * 1000)
## submit transaction
response = requests.post('http://127.0.0.1:5000/' +
petition_contract.contract_name + '/sign',
json=transaction_to_solution(transaction))
self.assertTrue(response.json()['success'])
## stop service
checker_service_process.terminate()
checker_service_process.join()
def test_sign(self):
with petition_contract.test_service():
# create transaction
# init
init_transaction = petition.init()
token = init_transaction['transaction']['outputs'][0]
# initialise petition
create_petition_transaction = petition.create_petition(
(token,),
None,
None,
UUID,
options,
sk_owners[0],
aggr_pk_owner,
t_owners,
n_owners,
aggr_vk
)
old_petition = create_petition_transaction['transaction']['outputs'][1]
old_list = create_petition_transaction['transaction']['outputs'][2]
# some crypto to get the credentials
# ------------------------------------
(d, gamma) = elgamal_keygen(bp_params)
private_m = [d]
Lambda = prepare_blind_sign(bp_params, gamma, private_m)
sigs_tilde = [blind_sign(bp_params, ski, gamma, Lambda) for ski in sk]
sigs = [unblind(bp_params, sigma_tilde, d) for sigma_tilde in sigs_tilde]
sigma = agg_cred(bp_params, sigs)
# ------------------------------------
# add signature to th petition
transaction = petition.sign(
(old_petition, old_list),
None,
None,
d,
sigma,
aggr_vk,
1
)
## submit transaction
response = requests.post(
'http://127.0.0.1:5000/' + petition_contract.contract_name
+ '/sign', json=transaction_to_solution(transaction)
)
self.assertTrue(response.json()['success'])
def test_read(self):
with petition_contract.test_service():
# create transaction
# init
init_transaction = petition.init()
token = init_transaction['transaction']['outputs'][0]
# initialise petition
create_petition_transaction = petition.create_petition(
(token,),
None,
None,
UUID,
options,
sk_owners[0],
aggr_pk_owner,
t_owners,
n_owners,
aggr_vk
)
old_petition = create_petition_transaction['transaction']['outputs'][1]
old_list = create_petition_transaction['transaction']['outputs'][2]
# add signature to the petition
for i in range(3):
# some crypto to get the credentials
# ------------------------------------
(d, gamma) = elgamal_keygen(bp_params)
private_m = [d]
Lambda = prepare_blind_sign(bp_params, gamma, private_m)
sigs_tilde = [blind_sign(bp_params, ski, gamma, Lambda) for ski in sk]
sigs = [unblind(bp_params, sigma_tilde, d) for sigma_tilde in sigs_tilde]
sigma = agg_cred(bp_params, sigs)
# ------------------------------------
sign_transaction = petition.sign(
(old_petition, old_list),
None,
None,
d,
sigma,
aggr_vk,
1 # vote
)
old_petition = sign_transaction['transaction']['outputs'][0]
old_list = sign_transaction['transaction']['outputs'][1]
# tally
for i in range(t_owners):
transaction = petition.tally(
(old_petition,),
None,
None,
sk_owners[i],
i,
t_owners
)
old_petition = transaction['transaction']['outputs'][0]
# read
transaction = petition.read(
None,
(old_petition,),
None
)
## submit transaction
response = requests.post(
'http://127.0.0.1:5000/' + petition_contract.contract_name
+ '/read', json=transaction_to_solution(transaction)
)
self.assertTrue(response.json()['success'])
print("\n\n==================== OUTCOME ====================\n")
print('OUTCOME: ', loads(transaction['transaction']['returns'][0]))
print("\n===================================================\n\n")
def main():
petition.contract._populate_empty_checkers()
print "operation\t\tmean (ms)\t\tsd (ms)\t\truns"
# == init ===============
init_tx = petition.init()
# == create_petition ===============
# gen
times = []
for i in range(RUNS):
start_time = time.time()
petition.create_petition(
(init_tx['transaction']['outputs'][0],),
None,
None,
UUID,
options,
priv_owner,
pub_owner,
vvk
)
end_time = time.time()
times.append((end_time-start_time)*1000)
mean = numpy.mean(times)
sd = numpy.std(times)
print "[g] create_petition tx\t{:.10f}\t\t{:.10f}\t{}".format(mean, sd, RUNS)
# check
create_petition_tx = petition.create_petition(
(init_tx['transaction']['outputs'][0],),
None,
None,
UUID,
options,
priv_owner,
pub_owner,
vvk
)
solution = transaction_to_solution(create_petition_tx)
times = []
for i in range(RUNS):
start_time = time.time()
petition.contract.checkers['create_petition'](
solution['inputs'],
solution['referenceInputs'],
solution['parameters'],
solution['outputs'],
solution['returns'],
solution['dependencies'],
)
end_time = time.time()
times.append((end_time-start_time)*1000)
mean = numpy.mean(times)
sd = numpy.std(times)
print "[c] create_petition tx\t{:.10f}\t\t{:.10f}\t{}".format(mean, sd, RUNS)
# == sign ===============
# gen
old_petition = create_petition_tx['transaction']['outputs'][1]
old_list = create_petition_tx['transaction']['outputs'][2]
# some crypto
# ------------------------------------
(priv_signer, pub_signer) = elgamal_keygen(bp_params)
m = priv_signer
(cm, c, proof_s) = prepare_blind_sign(bp_params, m, pub_signer)
enc_sigs = [blind_sign(bp_params, ski, cm, c, pub_signer, proof_s) for ski in sk]
(h, enc_epsilon) = zip(*enc_sigs)
sigs = [(h[0], elgamal_dec(bp_params, priv_signer, enc)) for enc in enc_epsilon]
sig = aggregate_th_sign(bp_params, sigs)
sig = randomize(bp_params, sig)
(kappa, nu, proof_v) = show_coconut_petition(bp_params, vvk, m, UUID)
#print(coconut_petition_verify(bp_params, vvk, kappa, sig, proof_v, UUID, nu))
# ------------------------------------
times = []
for i in range(RUNS):
start_time = time.time()
petition.sign(
(old_petition, old_list),
None,
(dumps([1, 0]),),
priv_signer,
sig,
vvk
)
end_time = time.time()
times.append((end_time-start_time)*1000)
mean = numpy.mean(times)
sd = numpy.std(times)
print "[g] sign tx\t\t{:.10f}\t\t{:.10f}\t{}".format(mean, sd, RUNS)
# check
sign_tx = petition.sign(
(old_petition, old_list),
None,
(dumps([1, 0]),),
priv_signer,
sig,
vvk
)
solution = transaction_to_solution(sign_tx)
times = []
for i in range(RUNS):
start_time = time.time()
petition.contract.checkers['sign'](
solution['inputs'],
solution['referenceInputs'],
solution['parameters'],
solution['outputs'],
solution['returns'],
solution['dependencies'],
)
end_time = time.time()
times.append((end_time-start_time)*1000)
mean = numpy.mean(times)
sd = numpy.std(times)
print "[c] sign tx\t\t{:.10f}\t\t{:.10f}\t{}".format(mean, sd, RUNS)
'''
## coconut parameters
t, n = 4, 5 # threshold and total number of authorities
bp_params = setup() # bp system's parameters
(sk, vk) = ttp_keygen(bp_params, t, n) # signers keys
aggr_vk = agg_key(bp_params, vk, threshold=True)
####################################################################
# create all transactions
####################################################################
# init
init_tx = petition.init()
token = init_tx['transaction']['outputs'][0]
# create_petition
create_petition_tx = petition.create_petition(
(token, ), None, None, UUID, options, sk_owners[0], aggr_pk_owner,
t_owners, n_owners, aggr_vk)
old_petition = create_petition_tx['transaction']['outputs'][1]
old_list = create_petition_tx['transaction']['outputs'][2]
# sign
(d, gamma) = elgamal_keygen(bp_params)
private_m = [d]
Lambda = prepare_blind_sign(bp_params, gamma, private_m)
sigs_tilde = [blind_sign(bp_params, ski, gamma, Lambda) for ski in sk]
sigs = [unblind(bp_params, sigma_tilde, d) for sigma_tilde in sigs_tilde]
sigma = agg_cred(bp_params, sigs)
sign_tx = petition.sign((old_petition, old_list), None, None, d, sigma,
aggr_vk, 1)
old_petition = sign_tx['transaction']['outputs'][0]
old_list = sign_tx['transaction']['outputs'][1]