def set_nodes(role, id_with_key, hop, build_tunnels=False):
on_start = [('started', )]
if build_tunnels:
on_start.append(('build_tunnels', hop))
configuration = get_default_configuration()
configuration['keys'] = [{
'alias':
"my peer",
'generation':
u"curve25519",
# 'file': u"ec_{1}{0}.pem".format(*id_with_key)
'file':
u"ec{}_{}_{!r}.pem".format(*((id_with_key) + (os.urandom(2), )))
}]
configuration['logger'] = {'level': 'ERROR'}
configuration['overlays'] = [{
'class':
role,
'key':
"my peer",
'walkers': [{
'strategy': "RandomWalk",
'peers': 10,
'init': {
'timeout': 3.0
}
}],
'hops':
hop,
'initialize': {},
'on_start':
on_start
}]
IPv8(configuration)
def set_nodes(role, id_with_key):
configuration = get_default_configuration()
configuration['keys'] = [{
'alias':
"my peer",
'generation':
u"curve25519",
# 'file': u"ec_{1}{0}.pem".format(*id_with_key)
'file':
u"ec{}_{}_{!r}.pem".format(*((id_with_key) +
(str(uuid.uuid4()), )))
}]
configuration['logger'] = {'level': 'ERROR'}
configuration['overlays'] = [{
'class':
role,
'key':
"my peer",
'walkers': [{
'strategy': "RandomWalk",
'peers': 10,
'init': {
'timeout': 3.0
}
}],
'initialize': {},
'on_start': [('started', )]
}]
IPv8(configuration)
def trust_client():
_COMMUNITIES['TrustClient'] = TrustClient
for i in [4]:
configuration = get_default_configuration()
configuration['keys'] = [{
'alias': "my peer",
'generation': u"curve25519",
'file': u"ec%d.pem" % i
}]
configuration['overlays'] = [{
'class':
'TrustClient',
'key':
"my peer",
'walkers': [{
'strategy': "RandomWalk",
'peers': 10,
'init': {
'timeout': 3.0
}
}],
'initialize': {},
'on_start': [('started', )]
}]
IPv8(configuration)
async def start_communities():
for i, v in enumerate(["site", "service", "app"]):
configuration = get_default_configuration()
configuration['logger']['level'] = "ERROR"
configuration['keys'] = [
{'alias': "anonymous id", 'generation': u"curve25519", 'file': u"certs/ec%d_multichain.pem" % i},
{'alias': i, 'generation': u"medium", 'file': u"certs/ec%d.pem" % i}
]
# Only load the basic communities
requested_overlays = ['DiscoveryCommunity', 'AttestationCommunity', 'IdentityCommunity']
configuration['overlays'] = [o for o in configuration['overlays'] if o['class'] in requested_overlays]
# Give each peer a separate working directory
working_directory_overlays = ['AttestationCommunity', 'IdentityCommunity']
for overlay in configuration['overlays']:
if overlay['class'] in working_directory_overlays:
overlay['initialize'] = {'working_directory': 'db/state_%d' % i}
# Start the IPv8 service
ipv8 = IPv8(configuration)
await ipv8.start()
rest_manager = RESTManager(ipv8)
await rest_manager.start(14410 + i, '0.0.0.0')
# Print the peer for reference
print("Starting " + v, b64encode(ipv8.keys["anonymous id"].mid))
def server():
_COMMUNITIES['Server'] = Server
for i in [1]:
configuration = get_default_configuration()
configuration['keys'] = [{
'alias': "my peer2",
'generation': u"curve25519",
'file': u"ec%d.pem" % i
}]
configuration['logger'] = {'level': 'DEBUG'}
configuration['overlays'] = [{
'class':
'Server',
'key':
"my peer2",
'walkers': [{
'strategy': "RandomWalk",
'peers': 10,
'init': {
'timeout': 3.0
}
}],
'initialize': {},
'on_start': [('started', )]
}]
IPv8(configuration)
async def start_communities():
bootstrap_ips = []
for i in range(2): # We start two bootstrap nodes
bootstrap_endpoint = SimulationEndpoint()
await bootstrap_endpoint.open()
bootstrap_overlay = EndpointServer(bootstrap_endpoint)
# We assume all peers in our simulation have a public WAN IP (to avoid conflicts with our SimulationEndpoint)
bootstrap_overlay.my_estimated_lan = ("0.0.0.0", 0)
bootstrap_overlay.my_estimated_wan = bootstrap_endpoint.wan_address
bootstrap_ips.append(bootstrap_endpoint.wan_address)
instances = []
for i in range(20):
builder = ConfigBuilder().clear_keys().clear_overlays()
builder.add_key("my peer", "medium", f"ec{i}.pem")
bootstrappers = [
BootstrapperDefinition(Bootstrapper.DispersyBootstrapper, {
"ip_addresses": bootstrap_ips,
"dns_addresses": []
})
]
walkers = [WalkerDefinition(Strategy.RandomWalk, 10, {'timeout': 3.0})]
builder.add_overlay("SimpleCommunity", "my peer", walkers,
bootstrappers, {'id': i}, [('started', )])
endpoint = SimulationEndpoint()
instance = IPv8(builder.finalize(),
endpoint_override=endpoint,
extra_communities={'SimpleCommunity': SimpleCommunity})
# We assume all peers in our simulation have a public WAN IP (to avoid conflicts with our SimulationEndpoint)
instance.overlays[0].my_estimated_lan = ("0.0.0.0", 0)
instance.overlays[0].my_estimated_wan = endpoint.wan_address
await instance.start()
instances.append(instance)
async def start_communities():
# Launch two IPv8 services.
# We run REST endpoints for these services on:
# - http://localhost:14411/
# - http://localhost:14412/
# This script also prints the peer ids for reference with:
# - http://localhost:1441*/attestation?type=peers
for i, v in enumerate(["employee", "employer", "brewer"]):
configuration = get_default_configuration()
configuration['logger']['level'] = "ERROR"
configuration['keys'] = [
{'alias': "anonymous id", 'generation': u"curve25519", 'file': u"certs/ec%d_multichain.pem" % i},
{'alias': i, 'generation': u"medium", 'file': u"certs/ec%d.pem" % i}
]
# Only load the basic communities
requested_overlays = ['DiscoveryCommunity', 'AttestationCommunity', 'IdentityCommunity']
configuration['overlays'] = [o for o in configuration['overlays'] if o['class'] in requested_overlays]
# Give each peer a separate working directory
working_directory_overlays = ['AttestationCommunity', 'IdentityCommunity']
for overlay in configuration['overlays']:
if overlay['class'] in working_directory_overlays:
overlay['initialize'] = {'working_directory': 'db/state_%d' % i}
# Start the IPv8 service
ipv8 = IPv8(configuration)
await ipv8.start()
rest_manager = RESTManager(ipv8)
await rest_manager.start(14410 + i)
# Print the peer for reference
print("Starting " + v, b64encode(ipv8.keys["anonymous id"].mid))
async def start_communities():
rest_port = 8000
ipv8_port = 8090
hostname = GATEWAY_HOSTNAME
ip_address = GATEWAY_IP
configuration = get_default_configuration()
configuration['port'] = ipv8_port
configuration['keys'] = [{
'alias':
"my peer",
'generation':
u"curve25519",
'file': (f"/vol/keys/trustchain/ec.pem" if DOCKER else
resolve_user("~/.ssh/eurotoken/trustchain/ec.pem"))
}]
configuration['address'] = ip_address
configuration['logger'] = {
'level': "INFO",
}
configuration['overlays'] = [{
'class':
'MyTrustChainCommunity',
'key':
"my peer",
'walkers': [{
'strategy': "RandomWalk",
'peers': 10,
'init': {
'timeout': 3.0
}
}],
'initialize': {
'working_directory': (f'/vol/database' if DOCKER else f'.local')
},
'on_start': [('started', )]
}, {
'class':
'EuroTokenCommunity',
'key':
"my peer",
'walkers': [{
'strategy': "RandomWalk",
'peers': 10,
'init': {
'timeout': 3.0
}
}],
'initialize': {},
'on_start': [('started', )]
}]
ipv8 = IPv8(configuration,
extra_communities={
'MyTrustChainCommunity': MyTrustChainCommunity,
'EuroTokenCommunity': EuroTokenCommunity
})
await ipv8.start()
interactor = buildSI(ipv8, hostname, ipv8_port)
rest_manager = get_rest_manager(interactor)
await rest_manager.start(ip_address, rest_port)
async def start_communities():
ipv8_port = 8090
settings = TrustChainSettings()
settings.broadcast_fanout = 0
configuration = get_default_configuration()
configuration['port'] = ipv8_port
configuration['keys'] = [{
'alias': "my peer",
'generation': u"curve25519",
'file': KEY_PATH
}]
configuration['address'] = "0.0.0.0"
configuration['logger'] = {
'level': "WARNING",
}
configuration['overlays'] = [{
'class':
'EvalTrustChainCommunity',
'key':
"my peer",
'walkers': [{
'strategy': "RandomWalk",
'peers': 10,
'init': {
'timeout': 3.0
}
}],
'initialize': {
'working_directory': f'/vol/database',
'is_gateway': IS_GATEWAY,
'n_gateways': GATEWAYS,
'n_clients': CLIENTS,
'key_file': KEY_FILE,
'settings': settings,
'transactions_to_do': TRANSACTIONS_TO_DO,
'min_checkpoint_freq': CHECKPOINT_EVERY,
},
'on_start': [('started', )]
}]
global ipv8
ipv8 = IPv8(
configuration,
extra_communities={'EvalTrustChainCommunity': EvalTrustChainCommunity})
def stop():
global STOP
STOP = True
ipv8.get_overlay(EvalTrustChainCommunity).set_stop(stop)
await ipv8.start()
async def start_community():
for peer_id in [1, 2]:
configuration = get_default_configuration()
configuration['keys'] = [
{'alias': "anonymous id", 'generation': u"curve25519", 'file': f"keyfile_{peer_id}.pem"}]
configuration['working_directory'] = f"state_{peer_id}"
configuration['overlays'] = []
# Start the IPv8 service
ipv8 = IPv8(configuration)
await ipv8.start()
rest_manager = RESTManager(ipv8)
await rest_manager.start(14410 + peer_id)
# Print the peer for reference
print("Starting peer", b64encode(ipv8.keys["anonymous id"].mid))
def initialize_peer(path):
configuration = get_default_configuration()
configuration['logger'] = {'level': "ERROR"}
configuration['walker_interval'] = 4
overlays = ['AttestationCommunity', 'IdentityCommunity']
configuration['overlays'] = [o for o in configuration['overlays'] if o['class'] in overlays]
for o in configuration['overlays']:
o['walkers'] = [{
'strategy': "RandomWalk",
'peers': 4,
'init': {
'timeout': 60.0
}
}]
create_working_dir(path)
os.chdir(path)
ipv8 = IPv8(configuration)
os.chdir(os.path.dirname(__file__))
rest_manager = TestRESTAPI(ipv8)
rest_manager.start()
return ipv8, "http://localhost:%d/attestation" % rest_manager.port
async def start_communities():
for i in [1, 2]:
builder = ConfigBuilder().clear_keys().clear_overlays()
# If we actually want to communicate between two different peers
# we need to assign them different keys.
# We will generate an EC key called 'my peer' which has 'medium'
# security and will be stored in file 'ecI.pem' where 'I' is replaced
# by the peer number (1 or 2).
builder.add_key("my peer", "medium", f"ec{i}.pem")
# Instruct IPv8 to load our custom overlay, registered in _COMMUNITIES.
# We use the 'my peer' key, which we registered before.
# We will attempt to find other peers in this overlay using the
# RandomWalk strategy, until we find 10 peers.
# We do not provide additional startup arguments or a function to run
# once the overlay has been initialized.
builder.add_overlay(
"MyCommunity", "my peer",
[WalkerDefinition(Strategy.RandomWalk, 10, {'timeout': 3.0})],
default_bootstrap_defs, {}, [])
ipv8 = IPv8(builder.finalize(),
extra_communities={'MyCommunity': MyCommunity})
await ipv8.start()
async def start_communities():
instances = []
for i in [1, 2]:
builder = ConfigBuilder().clear_keys().clear_overlays()
builder.add_key("my peer", "medium", f"ec{i}.pem")
builder.add_overlay("PingPongCommunity", "my peer", [], [], {},
[('started', )])
endpoint = SimulationEndpoint()
instance = IPv8(
builder.finalize(),
endpoint_override=endpoint,
extra_communities={'PingPongCommunity': PingPongCommunity})
await instance.start()
instances.append(instance)
# Introduce peers to each other
for from_instance in instances:
for to_instance in instances:
if from_instance == to_instance:
continue
from_instance.overlays[0].walk_to(to_instance.endpoint.wan_address)
async def start_community():
for peer_id in [1, 2]:
configuration = get_default_configuration()
configuration['keys'] = [{
'alias': "anonymous id",
'generation': u"curve25519",
'file': f"keyfile_{peer_id}.pem"
}]
configuration['working_directory'] = f"state_{peer_id}"
configuration['overlays'] = [
overlay for overlay in configuration['overlays']
if overlay['class'] == 'HiddenTunnelCommunity'
]
# Start the IPv8 service
ipv8 = IPv8(configuration)
await ipv8.start()
ssl_context = ssl.SSLContext(ssl.PROTOCOL_TLS_SERVER)
ssl_context.load_cert_chain(cert_fileX)
rest_manager = RESTManager(ipv8)
await rest_manager.start(14410 + peer_id, ssl_context=ssl_context)
# Print the peer for reference
print("Starting peer", b64encode(ipv8.keys["anonymous id"].mid))
_COMMUNITIES['MyCommunity'] = MyCommunity
for i in [3]:
configuration = get_default_configuration()
configuration['keys'] = [{
'alias': "my peer",
'generation': u"curve25519",
'file': u"ec%d.pem" % i
}]
# We provide the 'started' function to the 'on_start'.
# We will call the overlay's 'started' function without any
# arguments once IPv8 is initialized.
configuration['overlays'] = [{
'class':
'MyCommunity',
'key':
"my peer",
'walkers': [{
'strategy': "RandomWalk",
'peers': 10,
'init': {
'timeout': 3.0
}
}],
'initialize': {},
'on_start': [('started', )]
}]
IPv8(configuration)
reactor.run()
async def start_peer(self, name, i):
# Give the peer its own working directory
workdir = u"%s/%s" % (tempdir, name)
os.mkdir(workdir)
# Set up its IPv8 Configuration
configuration = get_default_configuration()
configuration['logger']['level'] = "ERROR"
configuration['keys'] = [{
'alias': "anonymous id",
'generation': u"curve25519",
'file': u"%s/multichain.pem" % (workdir)
}, {
'alias': "my peer",
'generation': u"medium",
'file': u"%s/ec.pem" % (workdir)
}]
# Only load the basic communities
requested_overlays = [
'AttestationCommunity', 'IdentityCommunity',
'DHTDiscoveryCommunity', 'DiscoveryCommunity'
]
configuration['overlays'] = [
o for o in configuration['overlays']
if o['class'] in requested_overlays
]
# Provide the working directory to its overlays
working_directory_overlays = [
'AttestationCommunity', 'IdentityCommunity', 'TrustChainCommunity'
]
for overlay in configuration['overlays']:
if overlay['class'] in working_directory_overlays:
overlay['initialize'] = {'working_directory': workdir}
# Start its IPv8 service
ipv8 = IPv8(configuration)
await ipv8.start()
# Print the peer for reference
port = self.first_port + i
url = "http://localhost:%d" % port
mid_b64 = b64encode(ipv8.keys["anonymous id"].mid).decode('utf-8')
print("Starting peer %d (%s) running at %s" % (i, name, url))
print("- workdir: %s" % workdir)
print("- mid_b64: %s" % mid_b64)
print("- mid_hex: %s" % hexlify(ipv8.keys["anonymous id"].mid))
data = {
'port': port,
'mid_b64': mid_b64,
}
with open('%s/config.json' % workdir, 'w') as outfile:
json.dump(data, outfile)
outfile.close()
# Start its API
api = RESTManager(ipv8)
await api.start(port)
return (i, name, ipv8, api)
def start(self, options):
"""
Main method to startup the DAppCrowd service.
"""
root = logging.getLogger()
root.setLevel(logging.INFO)
stderr_handler = logging.StreamHandler(sys.stderr)
stderr_handler.setLevel(logging.INFO)
stderr_handler.setFormatter(
logging.Formatter("%(asctime)s:%(levelname)s:%(message)s"))
root.addHandler(stderr_handler)
if options["statedir"]:
# If we use a custom state directory, update various variables
for key in config["keys"]:
key["file"] = os.path.join(options["statedir"], key["file"])
config['port'] = options["port"]
self.ipv8 = IPv8(config)
# Load TrustChain + DAppCrowd community
my_peer = self.ipv8.overlays[0].my_peer
tc_settings = TrustChainSettings()
tc_settings.crawler = True
dappcrowd_tc_community = DAppCrowdTrustchainCommunity(
my_peer,
self.ipv8.endpoint,
self.ipv8.network,
settings=tc_settings,
working_directory=options["statedir"])
self.ipv8.overlays.append(dappcrowd_tc_community)
self.ipv8.strategies.append((RandomWalk(dappcrowd_tc_community), 20))
self.ipfs_api = ipfsapi.connect('127.0.0.1', 5001)
dappcrowd_community = DAppCrowdCommunity(
my_peer,
self.ipv8.endpoint,
self.ipv8.network,
trustchain=dappcrowd_tc_community,
ipfs_api=self.ipfs_api)
self.ipv8.overlays.append(dappcrowd_community)
self.ipv8.strategies.append((RandomWalk(dappcrowd_community), 20))
def signal_handler(sig, _):
msg("Received shut down signal %s" % sig)
if not self._stopping:
self._stopping = True
if self.restapi:
self.restapi.stop()
self.ipv8.stop()
signal.signal(signal.SIGINT, signal_handler)
signal.signal(signal.SIGTERM, signal_handler)
msg("Starting DAppCrowd")
self.restapi = RESTManager(self.ipv8)
self.restapi.start(options["apiport"])
self.restapi.root_endpoint.putChild(
"dappcrowd", RootEndpoint(self.ipv8, self.ipfs_api))
async def start_ipv8():
# Create an IPv8 object with the default settings.
ipv8 = IPv8(get_default_configuration())
await ipv8.start()