def do_poet0_genesis(args):
# Get ledger config:
# ...set the default value of config because argparse 'default' in
# ...combination with action='append' does the wrong thing.
if args.config is None:
args.config = ['txnvalidator.js']
# ...convert any comma-delimited argument strings to list elements
for arglist in [args.config]:
if arglist is not None:
for arg in arglist:
if ',' in arg:
loc = arglist.index(arg)
arglist.pop(loc)
for element in reversed(arg.split(',')):
arglist.insert(loc, element)
options_config = ArgparseOptionsConfig([('conf_dir', 'ConfigDirectory'),
('data_dir', 'DataDirectory'),
('type', 'LedgerType'),
('log_config', 'LogConfigFile'),
('keyfile', 'KeyFile'),
('node', 'NodeName'),
('verbose', 'Verbose'),
('family', 'TransactionFamilies')],
args)
cfg = get_validator_configuration(args.config, options_config)
# Obtain Journal object:
# ...set WaitTimer globals
target_wait_time = cfg.get("TargetWaitTime")
initial_wait_time = cfg.get("InitialWaitTime")
certificate_sample_length = cfg.get('CertificateSampleLength')
fixed_duration_blocks = cfg.get("FixedDurationBlocks")
from journal.consensus.poet0.wait_timer import set_wait_timer_globals
set_wait_timer_globals(
target_wait_time,
initial_wait_time,
certificate_sample_length,
fixed_duration_blocks,
)
# ...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")
genesis_ledger = cfg.get("GenesisLedger")
data_directory = cfg.get("DataDirectory")
store_type = cfg.get("StoreType")
stat_domains = {}
from journal.consensus.poet0.poet_consensus import PoetConsensus
consensus_obj = PoetConsensus(cfg)
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,
genesis_ledger=genesis_ledger,
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
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))
def local_main(config, windows_service=False, daemonized=False):
"""
Implement the actual application logic for starting the
txnvalidator
"""
# If this process has been daemonized, then we want to make
# sure to print out an information message as quickly as possible
# to the logger for debugging purposes.
if daemonized:
logger.info('validator has been daemonized')
# These imports are delayed because of poor interactions between
# epoll and fork. Unfortunately, these import statements set up
# epoll and we need that to happen after the forking done with
# Daemonize(). This is a side-effect of importing twisted.
from twisted.internet import reactor
from txnserver.validator import parse_networking_info
from txnserver.validator import Validator
from txnserver import web_api
from gossip.gossip_core import GossipException
from gossip.gossip_core import Gossip
logger.warn('validator pid is %s', os.getpid())
consensus_type = config.get('LedgerType', 'poet0')
stat_domains = {}
try:
(node, http_port) = parse_networking_info(config)
# to construct a validator, we pass it a consensus specific journal
validator = None
journal = None
# Gossip parameters
minimum_retries = config.get("MinimumRetries")
retry_interval = config.get("RetryInterval")
gossip = Gossip(node, minimum_retries, retry_interval, stat_domains)
# WaitTimer globals
target_wait_time = config.get("TargetWaitTime")
initial_wait_time = config.get("InitialWaitTime")
certificate_sample_length = config.get('CertificateSampleLength')
fixed_duration_blocks = config.get("FixedDurationBlocks")
minimum_wait_time = config.get("MinimumWaitTime")
# Journal parameters
min_txn_per_block = config.get("MinimumTransactionsPerBlock")
max_txn_per_block = config.get("MaxTransactionsPerBlock")
max_txn_age = config.get("MaxTxnAge")
data_directory = config.get("DataDirectory")
store_type = config.get("StoreType")
if consensus_type == 'poet0':
from sawtooth_validator.consensus.poet0 import poet_consensus
from sawtooth_validator.consensus.poet0.wait_timer \
import set_wait_timer_globals
set_wait_timer_globals(target_wait_time, initial_wait_time,
certificate_sample_length,
fixed_duration_blocks)
# Continue to pass config to PoetConsensus for possible other
# enclave implementations - poet_enclave.initialize
consensus = poet_consensus.PoetConsensus(config)
elif consensus_type == 'poet1':
from sawtooth_validator.consensus.poet1 import poet_consensus
from sawtooth_validator.consensus.poet1.wait_timer \
import set_wait_timer_globals
set_wait_timer_globals(target_wait_time, initial_wait_time,
certificate_sample_length,
fixed_duration_blocks, minimum_wait_time)
# Continue to pass config to PoetConsensus for possible other
# enclave implementations - poet_enclave.initialize
consensus = poet_consensus.PoetConsensus(config)
elif consensus_type == 'quorum':
quorum = config.get("Quorum")
nodes = config.get("Nodes")
vote_time_interval = config.get("VoteTimeInterval")
ballot_time_interval = config.get("BallotTimeInterval")
voting_quorum_target_size = config.get("VotingQuorumTargetSize")
from sawtooth_validator.consensus.quorum import quorum_consensus
consensus = quorum_consensus.QsuorumConsensus(
vote_time_interval, ballot_time_interval,
voting_quorum_target_size, quorum, nodes)
elif consensus_type == 'dev_mode':
block_publisher = config.get("DevModePublisher", False)
block_wait_time = config.get("BlockWaitTime")
from sawtooth_validator.consensus.dev_mode \
import dev_mode_consensus
consensus = dev_mode_consensus.DevModeConsensus(
block_publisher, block_wait_time)
else:
warnings.warn('Unknown consensus type %s' % consensus_type)
sys.exit(1)
permissioned_validators =\
config.get("WhitelistOfPermissionedValidators")
journal = Journal(gossip.LocalNode, gossip, gossip.dispatcher,
consensus, permissioned_validators, stat_domains,
min_txn_per_block, max_txn_per_block, max_txn_age,
data_directory, store_type)
validator = Validator(
gossip,
journal,
stat_domains,
config,
windows_service=windows_service,
http_port=http_port,
)
except GossipException as e:
print >> sys.stderr, str(e)
sys.exit(1)
listen_info = config.get("Listen", None)
web_api.initialize_web_server(listen_info, validator)
# go through the list of transaction families that should be initialized in
# this validator. the endpoint registry is always included
if consensus_type == 'poet1':
from sawtooth_validator.consensus.poet1 import validator_registry
validator_registry.register_transaction_types(journal)
for txnfamily in config.get('TransactionFamilies'):
logger.info("adding transaction family: %s", txnfamily)
try:
validator.add_transaction_family(
importlib.import_module(txnfamily))
except ImportError:
warnings.warn("transaction family not found: {}".format(txnfamily))
sys.exit(1)
# attempt to restore journal state from persistence
try:
validator.journal.restore()
except KeyError as e:
logger.error(
"Config is not compatible with data files"
" found on restore. Keyerror on %s", e)
sys.exit(1)
try:
validator.pre_start()
reactor.run(installSignalHandlers=False)
except KeyboardInterrupt:
pass
except SystemExit as e:
raise e
except:
traceback.print_exc(file=sys.stderr)
sys.exit(1)
def do_poet1_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:
# ...set WaitTimer globals
target_wait_time = cfg.get("TargetWaitTime")
initial_wait_time = cfg.get("InitialWaitTime")
certificate_sample_length = cfg.get('CertificateSampleLength')
fixed_duration_blocks = cfg.get("FixedDurationBlocks")
set_wait_timer_globals(
target_wait_time,
initial_wait_time,
certificate_sample_length,
fixed_duration_blocks,
)
# ...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 = PoetConsensus(cfg)
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,
validator_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
# ...pop VR seed (we'll presently defer resolving VR seed issues)
vr_seed = gossiper.IncomingMessageQueue.pop()
journal.initial_transactions.append(vr_seed.Transaction)
# ...create block g_block (including VR seed txn just popped)
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) # seed later...
journal.claim_block(g_block)
# ...simulate receiving the genesis block msg from reactor to force commit
g_block_msg = gossiper.IncomingMessageQueue.pop()
poet_public_key = g_block.poet_public_key
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,
'PoetPublicKey': poet_public_key,
}
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, indent=4))
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))
def local_main(config, windows_service=False, daemonized=False):
"""
Implement the actual application logic for starting the
txnvalidator
"""
# If this process has been daemonized, then we want to make
# sure to print out an information message as quickly as possible
# to the logger for debugging purposes.
if daemonized:
logger.info('validator has been daemonized')
# These imports are delayed because of poor interactions between
# epoll and fork. Unfortunately, these import statements set up
# epoll and we need that to happen after the forking done with
# Daemonize(). This is a side-effect of importing twisted.
from twisted.internet import reactor
from txnserver.validator import parse_networking_info
from txnserver.validator import Validator
from txnserver import quorum_validator
from txnserver import web_api
from gossip.gossip_core import GossipException
logger.warn('validator pid is %s', os.getpid())
ledgertype = config.get('LedgerType', 'poet0')
try:
(node, http_port) = parse_networking_info(config)
# to construct a validator, we pass it a consensus specific ledger
validator = None
ledger = None
# Gossip parameters
minimum_retries = config.get("MinimumRetries")
retry_interval = config.get("RetryInterval")
gossip = Gossip(node, minimum_retries, retry_interval)
# WaitTimer globals
target_wait_time = config.get("TargetWaitTime")
initial_wait_time = config.get("InitialWaitTime")
certificate_sample_length = config.get('CertificateSampleLength')
fixed_duration_blocks = config.get("FixedDurationBlocks")
minimum_wait_time = config.get("MinimumWaitTime")
# Journal parameters
min_txn_per_block = config.get("MinimumTransactionsPerBlock")
max_txn_per_block = config.get("MaxTransactionsPerBlock")
max_txn_age = config.get("MaxTxnAge")
genesis_ledger = config.get("GenesisLedger")
restore = config.get("Restore")
data_directory = config.get("DataDirectory")
store_type = config.get("StoreType")
if ledgertype == 'poet0':
from journal.consensus.poet0 import poet_journal
from journal.consensus.poet0.wait_timer \
import set_wait_timer_globals
set_wait_timer_globals(target_wait_time, initial_wait_time,
certificate_sample_length,
fixed_duration_blocks)
# Continue to pass config to PoetJournal for possible other enclave
# implmentations - poet_enclave.initialize
ledger = poet_journal.PoetJournal(gossip, config,
min_txn_per_block,
max_txn_per_block, max_txn_age,
genesis_ledger, restore,
data_directory, store_type)
elif ledgertype == 'poet1':
from journal.consensus.poet1 import poet_journal
from journal.consensus.poet1.wait_timer \
import set_wait_timer_globals
set_wait_timer_globals(target_wait_time, initial_wait_time,
certificate_sample_length,
fixed_duration_blocks, minimum_wait_time)
# Continue to pass config to PoetJournal for possible other enclave
# implmentations - poet_enclave.initialize
ledger = poet_journal.PoetJournal(gossip, config,
min_txn_per_block,
max_txn_per_block, max_txn_age,
genesis_ledger, restore,
data_directory, store_type)
elif ledgertype == 'quorum':
quorum = config.get("Quorum")
nodes = config.get("Nodes")
vote_time_interval = config.get("VoteTimeInterval")
ballot_time_interval = config.get("BallotTimeInterval")
voting_quorum_target_size = config.get("VotingQuorumTargetSize")
from journal.consensus.quorum import quorum_journal
ledger = quorum_journal.QuorumJournal(
gossip, min_txn_per_block, max_txn_per_block, max_txn_age,
genesis_ledger, restore, data_directory, store_type,
vote_time_interval, ballot_time_interval,
voting_quorum_target_size)
ledger.initialize_quorum_map(quorum, nodes)
# quorum validator is still sub-classed for now...
validator = quorum_validator.QuorumValidator(
gossip,
ledger,
config,
windows_service=windows_service,
http_port=http_port)
elif ledgertype == 'dev_mode':
block_wait_time = config.get("BlockWaitTime")
from journal.consensus.dev_mode import dev_mode_journal
ledger = dev_mode_journal.DevModeJournal(
gossip, min_txn_per_block, max_txn_per_block, max_txn_age,
genesis_ledger, restore, data_directory, store_type,
block_wait_time)
else:
warnings.warn('Unknown ledger type %s' % ledgertype)
sys.exit(1)
if validator is None:
# null-check until we get rid of QuorumValidator subclass
validator = Validator(
gossip,
ledger,
config,
windows_service=windows_service,
http_port=http_port,
)
except GossipException as e:
print >> sys.stderr, str(e)
sys.exit(1)
listen_info = config.get("Listen", None)
web_api.initialize_web_server(listen_info, validator)
# go through the list of transaction families that should be initialized in
# this validator. the endpoint registry is always included
for txnfamily in config.get('TransactionFamilies'):
logger.info("adding transaction family: %s", txnfamily)
try:
validator.add_transaction_family(
importlib.import_module(txnfamily))
except ImportError:
warnings.warn("transaction family not found: {}".format(txnfamily))
sys.exit(1)
try:
validator.pre_start()
reactor.run()
except KeyboardInterrupt:
pass
except SystemExit as e:
raise e
except:
traceback.print_exc(file=sys.stderr)
sys.exit(1)
def do_poet1_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:
# ...set WaitTimer globals
target_wait_time = cfg.get("TargetWaitTime")
initial_wait_time = cfg.get("InitialWaitTime")
certificate_sample_length = cfg.get('CertificateSampleLength')
fixed_duration_blocks = cfg.get("FixedDurationBlocks")
set_wait_timer_globals(target_wait_time,
initial_wait_time,
certificate_sample_length,
fixed_duration_blocks,
)
# ...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 = PoetConsensus(cfg)
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,
validator_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:
consensus_obj.register_signup_information(journal=journal)
# ...make sure there is no current chain here, or fail
# ...pop VR seed (we'll presently defer resolving VR seed issues)
vr_seed = gossiper.IncomingMessageQueue.pop()
journal.initial_transactions.append(vr_seed.Transaction)
# ...create block g_block (including VR seed txn just popped)
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) # seed later...
journal.claim_block(g_block)
# ...simulate receiving the genesis block msg from reactor to force commit
g_block_msg = gossiper.IncomingMessageQueue.pop()
poet_public_key = g_block.poet_public_key
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,
'PoetPublicKey': poet_public_key,
}
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, indent=4))
def do_poet0_genesis(args):
# Get ledger config:
# ...set the default value of config because argparse 'default' in
# ...combination with action='append' does the wrong thing.
if args.config is None:
args.config = ['txnvalidator.js']
# ...convert any comma-delimited argument strings to list elements
for arglist in [args.config]:
if arglist is not None:
for arg in arglist:
if ',' in arg:
loc = arglist.index(arg)
arglist.pop(loc)
for element in reversed(arg.split(',')):
arglist.insert(loc, element)
options_config = ArgparseOptionsConfig(
[
('conf_dir', 'ConfigDirectory'),
('data_dir', 'DataDirectory'),
('type', 'LedgerType'),
('log_config', 'LogConfigFile'),
('keyfile', 'KeyFile'),
('node', 'NodeName'),
('verbose', 'Verbose'),
('family', 'TransactionFamilies')
], args)
cfg = get_validator_configuration(args.config, options_config)
# Obtain Journal object:
# ...set WaitTimer globals
target_wait_time = cfg.get("TargetWaitTime")
initial_wait_time = cfg.get("InitialWaitTime")
certificate_sample_length = cfg.get('CertificateSampleLength')
fixed_duration_blocks = cfg.get("FixedDurationBlocks")
from journal.consensus.poet0.wait_timer import set_wait_timer_globals
set_wait_timer_globals(target_wait_time,
initial_wait_time,
certificate_sample_length,
fixed_duration_blocks,
)
# ...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")
genesis_ledger = cfg.get("GenesisLedger")
data_directory = cfg.get("DataDirectory")
store_type = cfg.get("StoreType")
stat_domains = {}
from journal.consensus.poet0.poet_consensus import PoetConsensus
consensus_obj = PoetConsensus(cfg)
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,
genesis_ledger=genesis_ledger,
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
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))
def local_main(config, windows_service=False, daemonized=False):
"""
Implement the actual application logic for starting the
txnvalidator
"""
# If this process has been daemonized, then we want to make
# sure to print out an information message as quickly as possible
# to the logger for debugging purposes.
if daemonized:
logger.info('validator has been daemonized')
# These imports are delayed because of poor interactions between
# epoll and fork. Unfortunately, these import statements set up
# epoll and we need that to happen after the forking done with
# Daemonize(). This is a side-effect of importing twisted.
from twisted.internet import reactor
from txnserver.validator import parse_networking_info
from txnserver.validator import Validator
from txnserver import quorum_validator
from txnserver import web_api
from gossip.gossip_core import GossipException
logger.warn('validator pid is %s', os.getpid())
ledgertype = config.get('LedgerType', 'poet0')
validator = None
try:
(nd, http_port) = parse_networking_info(config)
# to construct a validator, we pass it a consensus specific ledger
validator = None
ledger = None
ep_domain = None
if ledgertype == 'poet0':
from journal.consensus.poet0 import poet_journal
set_wait_timer_globals(config)
ledger = poet_journal.PoetJournal(nd, **config)
ep_domain = '/PoetValidator'
elif ledgertype == 'quorum':
from journal.consensus.quorum import quorum_journal
ledger = quorum_journal.QuorumJournal(nd, **config)
ledger.initialize_quorum_map(config)
# quorum validator is still sub-classed for now...
validator = quorum_validator.QuorumValidator(
nd,
ledger,
config,
windows_service=windows_service,
http_port=http_port)
validator.EndpointDomain = '/QuorumValidator'
elif ledgertype == 'dev_mode':
from journal.consensus.dev_mode import dev_mode_journal
set_wait_timer_globals(config)
ledger = dev_mode_journal.DevModeJournal(nd, **config)
ep_domain = '/DevModeValidator'
else:
warnings.warn('Unknown ledger type %s' % ledgertype)
sys.exit(1)
if validator is None:
# null-check until we get rid of QuorumValidator subclass
validator = Validator(
nd,
ledger,
config,
windows_service=windows_service,
http_port=http_port,
)
validator.EndpointDomain = ep_domain
except GossipException as e:
print >> sys.stderr, str(e)
sys.exit(1)
web_api.initialize_web_server(config, validator)
# go through the list of transaction families that should be initialized in
# this validator. the endpoint registry is always included
for txnfamily in config.get('TransactionFamilies'):
logger.info("adding transaction family: %s", txnfamily)
try:
validator.add_transaction_family(
importlib.import_module(txnfamily))
except ImportError:
warnings.warn("transaction family not found: {}".format(txnfamily))
sys.exit(1)
try:
validator.pre_start()
reactor.run()
except KeyboardInterrupt:
pass
except SystemExit as e:
raise e
except:
traceback.print_exc(file=sys.stderr)
sys.exit(1)
def local_main(config, windows_service=False, daemonized=False):
"""
Implement the actual application logic for starting the
txnvalidator
"""
# If this process has been daemonized, then we want to make
# sure to print out an information message as quickly as possible
# to the logger for debugging purposes.
if daemonized:
logger.info('validator has been daemonized')
# These imports are delayed because of poor interactions between
# epoll and fork. Unfortunately, these import statements set up
# epoll and we need that to happen after the forking done with
# Daemonize(). This is a side-effect of importing twisted.
from twisted.internet import reactor
from txnserver.validator import parse_networking_info
from txnserver.validator import Validator
from txnserver import web_api
from gossip.gossip_core import GossipException
from gossip.gossip_core import Gossip
from journal.journal_core import Journal
logger.warn('validator pid is %s', os.getpid())
consensus_type = config.get('LedgerType', 'poet1')
stat_domains = {}
try:
(node, http_port) = parse_networking_info(config)
# to construct a validator, we pass it a consensus specific journal
validator = None
journal = None
# Gossip parameters
minimum_retries = config.get("MinimumRetries")
retry_interval = config.get("RetryInterval")
gossip = Gossip(node, minimum_retries, retry_interval, stat_domains)
# WaitTimer globals
target_wait_time = config.get("TargetWaitTime")
initial_wait_time = config.get("InitialWaitTime")
certificate_sample_length = config.get('CertificateSampleLength')
fixed_duration_blocks = config.get("FixedDurationBlocks")
minimum_wait_time = config.get("MinimumWaitTime")
# Journal parameters
min_txn_per_block = config.get("MinimumTransactionsPerBlock")
max_txn_per_block = config.get("MaxTransactionsPerBlock")
max_txn_age = config.get("MaxTxnAge")
data_directory = config.get("DataDirectory")
store_type = config.get("StoreType")
if consensus_type == 'poet1':
from sawtooth_validator.consensus.poet1 import poet_consensus
from sawtooth_validator.consensus.poet1.wait_timer \
import set_wait_timer_globals
set_wait_timer_globals(target_wait_time,
initial_wait_time,
certificate_sample_length,
fixed_duration_blocks,
minimum_wait_time)
# Continue to pass config to PoetConsensus for possible other
# enclave implementations - poet_enclave.initialize
consensus = poet_consensus.PoetConsensus(config)
elif consensus_type == 'dev_mode':
block_publisher = config.get("DevModePublisher", False)
block_wait_time = config.get("BlockWaitTime")
from sawtooth_validator.consensus.dev_mode \
import dev_mode_consensus
consensus = dev_mode_consensus.DevModeConsensus(
block_publisher,
block_wait_time)
else:
warnings.warn('Unknown consensus type %s' % consensus_type)
sys.exit(1)
permissioned_validators =\
config.get("WhitelistOfPermissionedValidators")
journal = Journal(
gossip.LocalNode,
gossip,
gossip.dispatcher,
consensus,
permissioned_validators,
stat_domains,
min_txn_per_block,
max_txn_per_block,
max_txn_age,
data_directory,
store_type)
validator = Validator(
gossip,
journal,
stat_domains,
config,
windows_service=windows_service,
http_port=http_port,
)
except GossipException as e:
print(str(e), file=sys.stderr)
sys.exit(1)
listen_info = config.get("Listen", None)
web_api.initialize_web_server(listen_info, validator)
# go through the list of transaction families that should be initialized in
# this validator. the endpoint registry is always included
if consensus_type == 'poet1':
from sawtooth_validator.consensus.poet1 import validator_registry
validator_registry.register_transaction_types(journal)
for txnfamily in config.get('TransactionFamilies'):
logger.info("adding transaction family: %s", txnfamily)
try:
validator.add_transaction_family(
importlib.import_module(txnfamily))
except ImportError:
warnings.warn("transaction family not found: {}".format(txnfamily))
sys.exit(1)
# attempt to restore journal state from persistence
try:
validator.journal.restore()
except KeyError as e:
logger.error("Config is not compatible with data files"
" found on restore. Keyerror on %s", e)
sys.exit(1)
try:
validator.pre_start()
reactor.run(installSignalHandlers=False)
except KeyboardInterrupt:
pass
except SystemExit as e:
raise e
except:
traceback.print_exc(file=sys.stderr)
sys.exit(1)
def do_poet0_genesis(args):
# Get ledger config:
# set the default value of config because argparse 'default' in
# combination with action='append' does the wrong thing.
if args.config is None:
args.config = ['txnvalidator.js']
# convert any comma-delimited argument strings to list elements
for arglist in [args.config]:
if arglist is not None:
for arg in arglist:
if ',' in arg:
loc = arglist.index(arg)
arglist.pop(loc)
for element in reversed(arg.split(',')):
arglist.insert(loc, element)
options_config = ArgparseOptionsConfig(
[
('conf_dir', 'ConfigDirectory'),
('data_dir', 'DataDirectory'),
('type', 'LedgerType'),
('log_config', 'LogConfigFile'),
('keyfile', 'KeyFile'),
('node', 'NodeName'),
('verbose', 'Verbose'),
('family', 'TransactionFamilies')
], args)
cfg = get_validator_configuration(args.config, options_config)
# Perform requisite overrides and validation:
cfg['GenesisLedger'] = True
# should check that sigining key exists...
# debug report
for key, value in cfg.iteritems():
LOGGER.debug("CONFIG: %s = %s", key, value)
# set WaitTimer globals
target_wait_time = cfg.get("TargetWaitTime")
initial_wait_time = cfg.get("InitialWaitTime")
certificate_sample_length = cfg.get('CertificateSampleLength')
fixed_duration_blocks = cfg.get("FixedDurationBlocks")
from journal.consensus.poet0.wait_timer \
import set_wait_timer_globals
set_wait_timer_globals(target_wait_time,
initial_wait_time,
certificate_sample_length,
fixed_duration_blocks,
)
# build gossiper
(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")
genesis_ledger = cfg.get("GenesisLedger")
data_directory = cfg.get("DataDirectory")
store_type = cfg.get("StoreType")
stat_domains = {}
# in future, dynamically select consensus obj based on ConsensusType
journal = Journal(gossiper.LocalNode,
gossiper,
gossiper.dispatcher,
PoetConsensus(cfg),
stat_domains,
minimum_transactions_per_block=min_txn_per_block,
max_transactions_per_block=max_txn_per_block,
max_txn_age=max_txn_age,
genesis_ledger=genesis_ledger,
data_directory=data_directory,
store_type=store_type,
)
# may need to add transaction family objects ad hoc from cfg
dfl_txn_families = [endpoint_registry, integer_key]
for txnfamily in dfl_txn_families:
txnfamily.register_transaction_types(journal)
# ...skipping onNodeDisconnect handler (using ledger, not validator...)
# Create genesis block:
# we should make sure there is no current chain here, or fail
# calling initialization_complete will create the genesis block
journal.initialization_complete()
# simulate receiving the genesis block msg from reactor to force commit
msg = journal.gossip.IncomingMessageQueue.pop()
(_, msg_handler) = journal.dispatcher.message_handler_map[msg.MessageType]
msg_handler(msg, journal)
# Gather data, then shutdown to save state:
head = journal.most_recent_committed_block_id
# ...not sure why n_blocks is experimentally 0 and not 1
# ...if we only make the genesis, it would be good to check n_blks = 1
n_blks = journal.committed_block_count
journal.shutdown()
# log genesis data, then write it out to ease dissemination
genesis_data = {
'GenesisId': head,
'ChainLength': n_blks,
}
gblock_fname = get_genesis_block_id_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))