def main():
"""Receive seeds and add them as prioritizers to whitelist account."""
args = parse_args()
env = KinEnvironment(NETWORK_NAME, args.horizon, args.passphrase)
prioritizer_kps = load_accounts(args.prioritizer_seeds_file)
whitelist_builder = Builder(env.name, KinClient(env).horizon, MIN_FEE, args.whitelist_seed)
add_prioritizers(whitelist_builder, prioritizer_kps)
def initialize():
if len(sys.argv) < 4:
print('invalid number of params :', len(clients))
sys.exit(1)
global PASSPHRASE
global WHITELIST_MANAGER_KEYPAIR
global root_account
global tx_count
PASSPHRASE = sys.argv[1]
WHITELIST_MANAGER_KEYPAIR = Keypair(sys.argv[2])
tx_count = int(sys.argv[3])
for arg in sys.argv[4:]:
local_env = Environment('LOCAL', arg, PASSPHRASE,
'http://localhost:8001')
# Creates a client
clients.append(KinClient(local_env))
print('Client ', len(clients), ' created!')
# Create the root account object
root_account = clients[0].kin_account(
derive_root_account(PASSPHRASE).secret_seed)
print('Root account object created')
def init_tx_builders(env, kps, sequences):
"""Initialize transaction builders for each given seed."""
builders = []
for i, kp in enumerate(kps):
client = KinClient(env)
builder = Builder(env.name, client.horizon, MIN_FEE, kp.secret_seed)
builder.sequence = sequences[i]
builders.append(builder)
return builders
def create_whitelist_account():
"""Create whitelist account for prioritizing transactions in tests."""
print('Creating whitelist account')
env = KinEnvironment('LOCAL', HORIZON_ENDPOINT, PASSPHRASE)
root_client = KinClient(env)
root_seed = derive_root_account_seed(PASSPHRASE)
builder = Builder(env.name, root_client.horizon, 100, root_seed)
builder.append_create_account_op(WHITELIST_ADDRESS, str(100e5))
builder.sign()
builder.submit()
async def main():
"""Create accounts and print their seeds to stdout."""
args = parse_args()
env = Environment(NETWORK_NAME, (args.horizon)[0], args.passphrase)
builder = Builder(NETWORK_NAME,
KinClient(env).horizon, MIN_FEE,
root_account_seed(args.passphrase))
builder.sequence = builder.get_sequence()
kps = await create_accounts(builder, args.horizon, args.accounts,
STARTING_BALANCE)
for kp in kps:
print(kp.secret_seed)
async def init_channel_builders(channel_seeds_file, passphrase, horizon):
env = Environment(NETWORK_NAME, (horizon)[0], passphrase)
channel_kps = load_accounts(channel_seeds_file)
sequences = await get_sequences_multiple_endpoints(horizon, [kp.public_address for kp in channel_kps])
channel_builders = []
for i, kp in enumerate(channel_kps):
b = Builder(NETWORK_NAME, KinClient(env).horizon, MIN_FEE, kp.secret_seed)
b.sequence = str(sequences[i])
channel_builders.append(b)
return channel_builders
def create_whitelist_account():
"""Create whitelist account for prioritizing transactions in tests."""
print('Creating whitelist account')
env = KinEnvironment('LOCAL', 'http://localhost:8000', 'private testnet')
root_client = KinClient(env)
root_seed = derive_root_account_seed('private testnet')
builder = Builder(env.name, root_client.horizon, 100, root_seed)
builder.append_create_account_op(
'GBR7K7S6N6C2A4I4URBXM43W7IIOK6ZZD5SAGC7LBRCUCDMICTYMK4LO', str(100e5))
builder.sign()
builder.submit()
async def main():
# Create the environment
local_env = Environment('LOCAL', 'http://localhost:8000', PASSPHRASE,
'http://localhost:8001')
# Create a client
client = KinClient(local_env)
print('Client created')
initial_ledger_size = get_latest_ledger(client)['max_tx_set_size']
try:
# Set ledger tx size to 1
requests.get(
'http://localhost:11626/upgrades?mode=set&maxtxsize=1&upgradetime=2018-10-15T18:34:00Z'
)
# Create the root account object
root_account = client.kin_account(
derive_root_account(PASSPHRASE).secret_seed)
print('Root account object created')
minimum_fee = client.get_minimum_fee()
# Create an account with 0 base reserve
test_account = Keypair()
root_account.create_account(test_account.public_address, 0,
minimum_fee)
assert client.does_account_exists(test_account.public_address)
print('Test account created')
# Add the account to the whitelist
if not client.does_account_exists(
WHITELIST_MANAGER_KEYPAIR.public_address):
root_account.create_account(
WHITELIST_MANAGER_KEYPAIR.public_address, 10000, 100)
print('Created whitelisting account')
builder = Builder('LOCAL',
client.horizon,
fee=minimum_fee,
secret=WHITELIST_MANAGER_KEYPAIR.secret_seed)
builder.get_sequence()
builder.append_manage_data_op(test_account.public_address,
test_account._hint)
builder.sign()
builder.submit()
print('Added account to whitelist')
for _ in range(5):
txs = []
first_builder = Builder('LOCAL',
client.horizon,
fee=minimum_fee,
secret=test_account.secret_seed)
first_builder.append_manage_data_op('test', 'test'.encode())
first_builder.get_sequence()
first_builder.sign()
txs.append(first_builder)
second_builder = Builder(
'LOCAL',
client.horizon,
fee=minimum_fee,
secret=WHITELIST_MANAGER_KEYPAIR.secret_seed)
second_builder.append_payment_op(test_account.public_address, '1')
second_builder.get_sequence()
second_builder.sign()
txs.append(second_builder)
initial_ledger = get_latest_ledger(client)['sequence']
print(f'Initial ledger: {initial_ledger}')
while initial_ledger == get_latest_ledger(client)['sequence']:
time.sleep(0.5)
first_populated_ledger = initial_ledger + 2
print(f'Sending on ledger: {first_populated_ledger}')
print(f'Sending txs at {time.strftime("%d/%m/%Y %H:%M:%S")}')
await send_txs(txs)
print(f'Done sending txs at {time.strftime("%d/%m/%Y %H:%M:%S")}')
first_ledger_txs = client.horizon.ledger_transactions(
first_populated_ledger)['_embedded']['records']
# First ledger should have tx from whitelist_manager
assert WHITELIST_MANAGER_KEYPAIR.public_address == first_ledger_txs[
0]['source_account']
print('Verified tx from whitelist manager got priority')
except:
raise
finally:
# Set tx size to what it was before
requests.get(
f'http://localhost:11626/upgrades?mode=set&maxtxsize={initial_ledger_size}&upgradetime=2018-10-15T18:34:00Z'
)
def main():
# Create the environment
local_env = Environment('LOCAL', 'http://localhost:8000', PASSPHRASE,
'http://localhost:8001')
# Create a client
client = KinClient(local_env)
print('Client created')
# Create the root account object
root_account = client.kin_account(
derive_root_account(PASSPHRASE).secret_seed)
print('Root account object created')
minimum_fee = client.get_minimum_fee()
# Create an account with 0 base reserve
test_account = Keypair()
root_account.create_account(test_account.public_address, 0, minimum_fee)
assert client.does_account_exists(test_account.public_address)
print('Test account created')
# Send a tx that does not require spending kin
builder = Builder('LOCAL',
client.horizon,
fee=0,
secret=test_account.secret_seed)
builder.get_sequence()
builder.append_manage_data_op('test', 'test'.encode())
builder.sign()
try:
builder.submit()
except KinErrors.HorizonError as e:
# Tx should fail since the fee is under minimum fee
assert e.extras.result_codes.transaction == KinErrors.TransactionResultCode.INSUFFICIENT_FEE
print('Sending under minimum fee - Passed')
builder = Builder('LOCAL',
client.horizon,
fee=minimum_fee,
secret=test_account.secret_seed)
builder.get_sequence()
builder.append_manage_data_op('test', 'test'.encode())
builder.sign()
try:
builder.submit()
except KinErrors.HorizonError as e:
# Tx should fail since the account cant pay the fee
assert e.extras.result_codes.transaction == KinErrors.TransactionResultCode.INSUFFICIENT_BALANCE
print('Sending with no fee to pay - Passed')
# Add the account to the whitelist
if not client.does_account_exists(
WHITELIST_MANAGER_KEYPAIR.public_address):
root_account.create_account(WHITELIST_MANAGER_KEYPAIR.public_address,
10000, 100)
print('Created whitelisting account')
builder = Builder('LOCAL',
client.horizon,
fee=minimum_fee,
secret=WHITELIST_MANAGER_KEYPAIR.secret_seed)
builder.get_sequence()
builder.append_manage_data_op(test_account.public_address,
test_account._hint)
builder.sign()
builder.submit()
print('Added account to whitelist')
# test_account is now a whitelister, so the fee should be ignored
builder = Builder('LOCAL',
client.horizon,
fee=0,
secret=test_account.secret_seed)
builder.get_sequence()
builder.append_manage_data_op('test2', 'test2'.encode())
builder.sign()
builder.submit()
print('Sending prioritized tx under minimum fee - Passed')
builder = Builder('LOCAL',
client.horizon,
fee=999999,
secret=test_account.secret_seed)
builder.get_sequence()
builder.append_manage_data_op('test3', 'test3'.encode())
builder.sign()
builder.submit()
print('Sending prioritized tx with fee > balance - Passed')
# Try the same if the account is not a whitelister, but the tx is whitelisted
test_account2 = Keypair()
root_account.create_account(test_account2.public_address, 0, minimum_fee)
builder = Builder('LOCAL',
client.horizon,
fee=999999,
secret=test_account2.secret_seed)
builder.get_sequence()
builder.append_manage_data_op('test', 'test'.encode())
builder.sign()
# sign with the whitelister as well to prioritize the tx
builder.sign(secret=test_account.secret_seed)
builder.submit()
print('Sending prioritized tx2 with fee > balance - Passed')
async def main():
# Create the environment
local_env = Environment('LOCAL', 'http://localhost:8000', PASSPHRASE,
'http://localhost:8001')
# Create a client
client = KinClient(local_env)
print('Client created')
initial_ledger_size = get_latest_ledger(client)['max_tx_set_size']
try:
# Set ledger tx size to 3
requests.get(
'http://localhost:11626/upgrades?mode=set&maxtxsize=3&upgradetime=2018-10-15T18:34:00Z'
)
# Create the root account object
root_account = client.kin_account(
derive_root_account(PASSPHRASE).secret_seed)
print('Root account object created')
minimum_fee = client.get_minimum_fee()
# Create an account with 0 base reserve
test_account = Keypair()
root_account.create_account(test_account.public_address, 0,
minimum_fee)
assert client.does_account_exists(test_account.public_address)
print('Test account created')
accounts = [Keypair() for _ in range(5)]
builder = Builder('LOCAL',
client.horizon,
fee=minimum_fee,
secret=root_account.keypair.secret_seed)
for keypair in accounts:
builder.append_create_account_op(keypair.public_address, '100')
builder.get_sequence()
builder.sign()
builder.submit()
print('Created 5 accounts')
txs = []
for index, account in enumerate(accounts, start=1):
builder = Builder('LOCAL',
client.horizon,
fee=minimum_fee * index,
secret=account.secret_seed)
builder.append_manage_data_op('test', 'test'.encode())
builder.get_sequence()
builder.sign()
txs.append(builder)
initial_ledger = get_latest_ledger(client)['sequence']
print(f'Initial ledger: {initial_ledger}')
while initial_ledger == get_latest_ledger(client)['sequence']:
time.sleep(0.5)
first_populated_ledger = initial_ledger + 2
second_populated_ledger = initial_ledger + 3
print(f'Sending on ledger: {first_populated_ledger}')
print(f'Sending txs at {time.strftime("%d/%m/%Y %H:%M:%S")}')
await send_txs(txs)
print(f'Done sending txs at {time.strftime("%d/%m/%Y %H:%M:%S")}')
first_ledger_txs = client.horizon.ledger_transactions(
first_populated_ledger)['_embedded']['records']
second_ledger_txs = client.horizon.ledger_transactions(
second_populated_ledger)['_embedded']['records']
# First ledger should have txs where fee>=300
first_txs = sum(1 for tx in first_ledger_txs if tx['fee_paid'] >= 300)
assert first_txs == 3
print('Verified first ledger')
# Second ledger should have txs where fee<=200
second_txs = sum(1 for tx in second_ledger_txs
if tx['fee_paid'] <= 200)
assert second_txs == 2
print('Verified seconds ledger')
except:
raise
finally:
# Set tx size to what it was before
requests.get(
f'http://localhost:11626/upgrades?mode=set&maxtxsize={initial_ledger_size}&upgradetime=2018-10-15T18:34:00Z'
)
async def init_kin():
client = KinClient(kin_env)
channels = get_hd_channels(simple_transfer_seed, "", 100)
account = client.kin_account(seed=simple_transfer_seed, channel_secret_keys=channels, app_id=app_id)
return client, account
class Blockchain(object):
read_sdk = KinClient(STELLAR_ENV)
minimum_fee = read_sdk.get_minimum_fee()
def __init__(self, sdk: KinAccount, channel: str):
self.write_sdk = sdk
self.write_sdk.raw_seed = BaseKeypair.from_seed(
sdk.keypair.secret_seed).raw_seed()
self.root_address = self.write_sdk.keypair.public_address
self.channel = channel
self.channel_address = Keypair.address_from_seed(channel)
def create_wallet(self, public_address: str) -> str:
"""create a wallet."""
try:
account_exists = self.get_wallet(public_address)
except Exception as e:
log.info('failed checking wallet state',
public_address=public_address)
else:
if account_exists:
raise AccountExistsError
log.info('creating wallet', public_address=public_address)
# We use 'build_create_account' instead of 'create_account' since we have our method of managing seeds in redis
builder = self.write_sdk.build_create_account(public_address, 0,
self.minimum_fee)
tx_id = self._sign_and_send_tx(builder)
log.info('create wallet transaction', tx_id=tx_id)
return tx_id
def pay_to(self, public_address: str, amount: int, payment_id: str) -> str:
"""send kins to an address."""
log.info('sending kin to', address=public_address)
# We use 'build_send_kin' instead of 'send_kin' since we have our method of managing seeds in redis
builder = self.write_sdk.build_send_kin(public_address,
amount,
fee=self.minimum_fee,
memo_text=payment_id)
return self._sign_and_send_tx(builder)
def submit_transaction(self, transaction):
builder = root_account.get_transaction_builder(0)
builder.import_from_xdr(transaction)
builder.sign(self.write_sdk.keypair.secret_seed)
return self.write_sdk.submit_transaction(builder)
@staticmethod
def get_wallet(public_address: str) -> Wallet:
try:
data = Blockchain.read_sdk.get_account_data(public_address)
return Wallet.from_blockchain(data)
except AccountNotFoundError:
raise WalletNotFoundError('wallet %s not found' % public_address)
@staticmethod
def get_transaction_data(tx_id) -> SimplifiedTransaction:
return Blockchain.read_sdk.get_transaction_data(tx_id)
@staticmethod
def get_payment_data(tx_id) -> Payment:
return Payment.from_blockchain(Blockchain.get_transaction_data(tx_id))
@staticmethod
def try_parse_payment(tx_data) -> Payment:
"""try to parse payment from given tx_data. return None when failed."""
try:
return Payment.from_blockchain(tx_data)
# except ParseError as e: # todo Ron: Why was this removed
# log.exception('failed to parse payment', tx_data=tx_data)
# return
except Exception as e:
log.exception('failed to parse payment', tx_data=tx_data)
@staticmethod
def get_address_records(address,
cursor,
limit=100) -> List[TransactionRecord]:
log.debug('getting records from', address=address, cursor=cursor)
reply = Blockchain.read_sdk.horizon.account_payments(address=address,
params={
'cursor':
cursor,
'order':
'asc',
'limit': limit
})
records = [
TransactionRecord(r, strict=False)
for r in reply['_embedded']['records']
]
return records
@staticmethod
def get_all_records(cursor, limit=100) -> List[TransactionRecord]:
log.debug('getting records from', cursor=cursor)
reply = Blockchain.read_sdk.horizon.payments(params={
'cursor': cursor,
'order': 'asc',
'limit': limit
})
records = [
TransactionRecord(r, strict=False)
for r in reply['_embedded']['records']
]
return records
@staticmethod
def get_last_cursor():
reply = Blockchain.read_sdk.horizon.payments(params={
'cursor': 'now',
'order': 'desc',
'limit': 1
})
return reply['_embedded']['records'][0]['paging_token']
def _sign_and_send_tx(self, builder) -> str:
builder.set_channel(self.channel)
builder.sign(self.channel)
if self.channel != self.write_sdk.keypair.secret_seed:
builder.sign(self.write_sdk.keypair.secret_seed)
tx_id = self.write_sdk.submit_transaction(builder)
return tx_id
async def main():
# Create the environment
local_env = Environment('LOCAL', 'http://localhost:8000', PASSPHRASE,
'http://localhost:8001')
# Create a client
client = KinClient(local_env)
print('Client created')
initial_ledger_size = get_latest_ledger(client)['max_tx_set_size']
try:
# Set ledger tx size to 3
requests.get(
'http://localhost:11626/upgrades?mode=set&maxtxsize=3&upgradetime=2018-10-15T18:34:00Z'
)
# Create the root account object
root_account = client.kin_account(
derive_root_account(PASSPHRASE).secret_seed)
print('Root account object created')
minimum_fee = client.get_minimum_fee()
# Create an account with 0 base reserve
test_account = Keypair()
root_account.create_account(test_account.public_address, 0,
minimum_fee)
assert client.does_account_exists(test_account.public_address)
print('Test account created')
# Add the account to the whitelist
if not client.does_account_exists(
WHITELIST_MANAGER_KEYPAIR.public_address):
root_account.create_account(
WHITELIST_MANAGER_KEYPAIR.public_address, 10000, 100)
print('Created whitelisting account')
builder = Builder('LOCAL',
client.horizon,
fee=minimum_fee,
secret=WHITELIST_MANAGER_KEYPAIR.secret_seed)
builder.get_sequence()
builder.append_manage_data_op(test_account.public_address,
test_account._hint)
builder.sign()
builder.submit()
print('Added account to whitelist')
accounts = [Keypair() for _ in range(5)]
builder = Builder('LOCAL',
client.horizon,
fee=minimum_fee,
secret=root_account.keypair.secret_seed)
for keypair in accounts:
builder.append_create_account_op(keypair.public_address, '100')
builder.get_sequence()
builder.sign()
builder.submit()
print('Created 5 accounts')
txs = []
for account in accounts:
builder = Builder('LOCAL',
client.horizon,
fee=minimum_fee,
secret=account.secret_seed)
builder.append_manage_data_op('test', 'test'.encode())
builder.get_sequence()
builder.sign()
txs.append(builder)
for tx in txs[2:]:
tx.sign(test_account.secret_seed)
print('Whitelisted 3 transactions')
initial_ledger = get_latest_ledger(client)['sequence']
print(f'Initial ledger: {initial_ledger}')
while initial_ledger == get_latest_ledger(client)['sequence']:
time.sleep(0.5)
first_populated_ledger = initial_ledger + 2
second_populated_ledger = initial_ledger + 3
print(f'Sending on ledger: {first_populated_ledger}')
print(f'Sending txs at {time.strftime("%d/%m/%Y %H:%M:%S")}')
await send_txs(txs)
print(f'Done sending txs at {time.strftime("%d/%m/%Y %H:%M:%S")}')
first_ledger_txs = client.horizon.ledger_transactions(
first_populated_ledger)['_embedded']['records']
second_ledger_txs = client.horizon.ledger_transactions(
second_populated_ledger)['_embedded']['records']
# First ledger should have 2 whitelisted txs, and 1 non-whitelisted
whitelisted_amount = sum(1 for tx in first_ledger_txs
if len(tx['signatures']) == 2)
assert whitelisted_amount == 2
regular_amount = sum(1 for tx in first_ledger_txs
if len(tx['signatures']) == 1)
assert regular_amount == 1
# # Second ledger should have 1 whitelisted tx, and 1 non-whitelisted
whitelisted_amount = sum(1 for tx in second_ledger_txs
if len(tx['signatures']) == 2)
assert whitelisted_amount == 1
regular_amount = sum(1 for tx in second_ledger_txs
if len(tx['signatures']) == 1)
assert regular_amount == 1
except:
raise
finally:
# Set tx size to what it was before
requests.get(
f'http://localhost:11626/upgrades?mode=set&maxtxsize={initial_ledger_size}&upgradetime=2018-10-15T18:34:00Z'
)
async def main():
# Create the environment
local_env = Environment('LOCAL', 'http://localhost:8000', PASSPHRASE,
'http://localhost:8001')
# Create a client
client = KinClient(local_env)
print('Client created')
initial_ledger_size = get_latest_ledger(client)['max_tx_set_size']
try:
# Set ledger tx size to 1
requests.get(
'http://localhost:11626/upgrades?mode=set&maxtxsize=1&upgradetime=2018-10-15T18:34:00Z'
)
# Create the root account object
root_account = client.kin_account(
derive_root_account(PASSPHRASE).secret_seed)
print('Root account object created')
minimum_fee = client.get_minimum_fee()
# Create an account with 0 base reserve
test_account = Keypair()
root_account.create_account(test_account.public_address, 0,
minimum_fee)
assert client.does_account_exists(test_account.public_address)
print('Test account created')
# Add the account to the whitelist
if not client.does_account_exists(
WHITELIST_MANAGER_KEYPAIR.public_address):
root_account.create_account(
WHITELIST_MANAGER_KEYPAIR.public_address, 10000, 100)
print('Created whitelisting account')
initial_ledger = get_latest_ledger(client)['sequence']
print(f'Adding account to whitelist on ledger: {initial_ledger + 2}')
builder = Builder('LOCAL',
client.horizon,
fee=minimum_fee,
secret=WHITELIST_MANAGER_KEYPAIR.secret_seed)
builder.get_sequence()
builder.append_manage_data_op(test_account.public_address,
test_account._hint)
builder.sign()
builder.submit()
print('Added account to whitelist')
while initial_ledger + 1 == get_latest_ledger(client)['sequence']:
time.sleep(0.5)
print(
f'Submitting tx from test account on ledger: {initial_ledger + 3}')
builder = Builder('LOCAL',
client.horizon,
fee=0,
secret=test_account.secret_seed)
builder.append_manage_data_op('test', 'test'.encode())
builder.get_sequence()
builder.sign()
builder.submit()
while initial_ledger + 2 == get_latest_ledger(client)['sequence']:
time.sleep(0.5)
populated_ledger_txs = client.horizon.ledger_transactions(
initial_ledger + 3)['_embedded']['records']
assert len(populated_ledger_txs) == 1
assert populated_ledger_txs[0]['fee_paid'] == 0
except:
raise
finally:
# Set tx size to what it was before
requests.get(
f'http://localhost:11626/upgrades?mode=set&maxtxsize={initial_ledger_size}&upgradetime=2018-10-15T18:34:00Z'
)
async def init_kin():
client = KinClient(kin_env)
account = client.kin_account(seed, app_id=unique_app_id)
return client, account