def test_generate_coupons_coupon(self):
self._set_clock(2015, 4, 1, 1)
signingkey = signed_object.generate_signing_key()
ident = signed_object.generate_identifier(signingkey)
node = Node(identifier=ident,
signingkey=signingkey,
address=("localhost", 10021))
node.is_peer = True
path = tempfile.mkdtemp()
gossip = Gossip(node)
journal = Journal(node,
gossip,
gossip.dispatcher,
consensus=DevModeConsensus(),
data_directory=path)
journal.global_store.TransactionStores['/BondTransaction'] = \
self.store
# creates a redemption
updates = Family._generate_coupons(journal)
self.assertNotEquals(updates, [])
transaction = BondTransaction(updates[0])
transaction.sign_object(self.key)
transaction.check_valid(self.store)
transaction.apply(self.store)
org_usd_holding = self.store["34d813716009ca1786222a44347ccff"
"258a4ab6029d936664fde0d13f23992b5"]
self.assertEquals(org_usd_holding["amount"], 25000.0)
def _create_journal(self, node=None):
node = node or self._create_node()
gossip = Gossip(node)
# Takes a journal, create a temporary directory to use with the journal
path = tempfile.mkdtemp()
journal = Journal(gossip.LocalNode,
gossip,
gossip.dispatcher,
consensus=DevModeConsensus(),
data_directory=path)
return (gossip, journal)
def test_matching_nothing_to_match(self):
signingkey = signed_object.generate_signing_key()
ident = signed_object.generate_identifier(signingkey)
node = Node(identifier=ident, signingkey=signingkey,
address=("localhost", 10002))
node.is_peer = True
path = tempfile.mkdtemp()
gossip = Gossip(node)
journal = Journal(node,
gossip,
gossip.dispatcher,
consensus=DevModeConsensus(),
data_directory=path)
journal.global_store.TransactionStores['/BondTransaction'] = \
self.store
matched_orders = _generate_match_orders(journal)
self.assertEquals(matched_orders, [])
def test_matching_no_quotes(self):
signingkey = signed_object.generate_signing_key()
ident = signed_object.generate_identifier(signingkey)
node = Node(identifier=ident, signingkey=signingkey,
address=("localhost", 10003))
node.is_peer = True
path = tempfile.mkdtemp()
gossip = Gossip(node)
journal = Journal(node,
gossip,
gossip.dispatcher,
consensus=DevModeConsensus(),
data_directory=path)
org2 = self.store.lookup("organization:name", "Second Bank")
bond = self.store.lookup("bond:cusip", "912828R77")
transaction = BondTransaction({
"UpdateType": "CreateOrder",
'Updates': [{
"UpdateType": "CreateOrder",
"Action": "Buy",
"OrderType": "Market",
"FirmId": org2["object-id"],
"Isin": bond["isin"],
"Quantity": 100000,
"object_id": "123453716009ca1786222a44347ccff258a4ab6029" +
"d936664fde0d13f23992b7"
}]
})
transaction.sign_object(self.key)
try:
transaction.check_valid(self.store)
transaction.apply(self.store)
except InvalidTransactionError:
self.fail("This should be valid")
journal.global_store.TransactionStores['/BondTransaction'] = \
self.store
matched_orders = _generate_match_orders(journal)
self.assertEquals(matched_orders, [])
def test_matching_no_order(self):
signingkey = signed_object.generate_signing_key()
ident = signed_object.generate_identifier(signingkey)
node = Node(identifier=ident, signingkey=signingkey,
address=("localhost", 10004))
node.is_peer = True
path = tempfile.mkdtemp()
gossip = Gossip(node)
journal = Journal(node,
gossip,
gossip.dispatcher,
consensus=DevModeConsensus(),
data_directory=path)
transaction = BondTransaction({
"UpdateType": "CreateQuote",
'Updates': [{
"UpdateType": "CreateQuote",
"Firm": "ABCD",
"Isin": "US912828R770",
"BidPrice": "101",
"BidQty": 250000,
"AskPrice": "101",
"AskQty": 250000,
"object_id": "555553716009ca1786222a44347ccff258a4ab6029" +
"d936664fde0d13f23992b7"
}]
})
transaction.sign_object(self.key)
try:
transaction.check_valid(self.store)
transaction.apply(self.store)
except InvalidTransactionError:
self.fail("This should be valid")
journal.global_store.TransactionStores['/BondTransaction'] = \
self.store
matched_orders = _generate_match_orders(journal)
self.assertEquals(matched_orders, [])
def do_dev_mode_genesis(args):
# Get journal config:
cfg = mirror_validator_parsing(args)
# Check for existing block store
node_name = cfg.get("NodeName")
data_directory = cfg.get("DataDirectory")
store_type = cfg.get("StoreType")
check_for_chain(data_directory, node_name, store_type)
# Obtain Journal object:
# ...build Gossip dependency
(nd, _) = parse_networking_info(cfg)
minimum_retries = cfg.get("MinimumRetries")
retry_interval = cfg.get("RetryInterval")
gossiper = Gossip(nd, minimum_retries, retry_interval)
# ...build Journal
min_txn_per_block = cfg.get("MinimumTransactionsPerBlock")
max_txn_per_block = cfg.get("MaxTransactionsPerBlock")
max_txn_age = cfg.get("MaxTxnAge")
stat_domains = {}
consensus_obj = DevModeConsensus(block_publisher=True,
block_wait_time=cfg.get('BlockWaitTime'))
journal = Journal(
gossiper.LocalNode,
gossiper,
gossiper.dispatcher,
consensus_obj,
stat_domains,
minimum_transactions_per_block=min_txn_per_block,
max_transactions_per_block=max_txn_per_block,
max_txn_age=max_txn_age,
data_directory=data_directory,
store_type=store_type,
)
# ...add 'built in' txn families
default_transaction_families = [endpoint_registry]
for txn_family in default_transaction_families:
txn_family.register_transaction_types(journal)
# ...add auxiliary transaction families
for txn_family_module_name in cfg.get("TransactionFamilies", []):
txn_family = importlib.import_module(txn_family_module_name)
txn_family.register_transaction_types(journal)
# Make genesis block:
# ...make sure there is no current chain here, or fail
# ...create block g_block
journal.on_genesis_block.fire(journal)
journal.initializing = False
for txn in journal.initial_transactions:
journal.add_pending_transaction(txn, build_block=False)
g_block = journal.build_block(genesis=True)
journal.claim_block(g_block)
# ...simulate receiving the genesis block msg from reactor to force commit
g_block_msg = gossiper.IncomingMessageQueue.pop()
journal.dispatcher.dispatch(g_block_msg)
journal.initialization_complete()
head = journal.most_recent_committed_block_id
chain_len = len(journal.committed_block_ids())
# Run shutdown:
# ...persist new state
journal.shutdown()
# ...release gossip obj's UDP port
gossiper.Listener.loseConnection()
gossiper.Listener.connectionLost(reason=None)
# Log genesis data, then write it out to ease dissemination
genesis_data = {
'GenesisId': head,
'ChainLength': chain_len,
}
gblock_fname = genesis_info_file_name(cfg['DataDirectory'])
LOGGER.info('genesis data: %s', genesis_data)
LOGGER.info('writing genesis data to %s', gblock_fname)
with open(gblock_fname, 'w') as f:
f.write(json.dumps(genesis_data))