def cached_genesis(request, blockchain_type):
"""
Deploy all contracts that are required by the fixtures into a tester and
then serialize the accounts into a genesis block.
Returns:
dict: A dictionary representing the genesis block.
"""
if not request.config.option.blockchain_cache:
return
if blockchain_type != 'geth':
return
# this will create the tester _and_ deploy the Registry
deploy_key = request.getfixturevalue('deploy_key')
private_keys = request.getfixturevalue('private_keys')
deploy_service, blockchain_services = _tester_services(
deploy_key,
private_keys,
request.getfixturevalue('tester_blockgas_limit'),
)
# create_network only registers the tokens,
# the contracts must be deployed previously
register = True
participants = [privatekey_to_address(privatekey) for privatekey in private_keys]
token_contract_addresses = _token_addresses(
request.getfixturevalue('token_amount'),
request.getfixturevalue('number_of_tokens'),
deploy_service,
participants,
register
)
endpoint_discovery_address = deploy_service.deploy_contract(
'EndpointRegistry',
'EndpointRegistry.sol',
)
endpoint_discovery_services = [
ContractDiscovery(
chain.node_address,
chain.discovery(endpoint_discovery_address),
)
for chain in blockchain_services
]
raiden_apps = create_apps(
blockchain_services,
endpoint_discovery_services,
request.getfixturevalue('raiden_udp_ports'),
DummyTransport, # Do not use a UDP server to avoid port reuse in MacOSX
request.getfixturevalue('reveal_timeout'),
request.getfixturevalue('settle_timeout'),
request.getfixturevalue('database_paths'),
request.getfixturevalue('retry_interval'),
request.getfixturevalue('retries_before_backoff'),
request.getfixturevalue('throttle_capacity'),
request.getfixturevalue('throttle_fill_rate'),
request.getfixturevalue('nat_invitation_timeout'),
request.getfixturevalue('nat_keepalive_retries'),
request.getfixturevalue('nat_keepalive_timeout'),
)
if 'raiden_network' in request.fixturenames:
create_network_channels(
raiden_apps,
token_contract_addresses,
request.getfixturevalue('channels_per_node'),
request.getfixturevalue('deposit'),
request.getfixturevalue('settle_timeout'),
)
elif 'raiden_chain' in request.fixturenames:
create_sequential_channels(
raiden_apps,
token_contract_addresses[0],
request.getfixturevalue('channels_per_node'),
request.getfixturevalue('deposit'),
request.getfixturevalue('settle_timeout'),
)
# else: a test that is not creating channels
for app in raiden_apps:
app.stop(leave_channels=False)
# save the state from the last block into a genesis dict
tester = blockchain_services[0].tester_state
tester.mine()
registry_address = blockchain_services[0].default_registry.address
genesis_alloc = dict()
for account_address in tester.block.state.to_dict():
account_alloc = tester.block.account_to_dict(account_address)
# Both keys and values of the account storage associative array
# must now be encoded with 64 hex digits
if account_alloc['storage']:
account_alloc['storage'] = fix_tester_storage(account_alloc['storage'])
# code must be hex encoded with 0x prefix
account_alloc['code'] = account_alloc.get('code', '')
# account_to_dict returns accounts with nonce=0 and the nonce must
# be encoded with 16 hex digits
account_alloc['nonce'] = '0x%016x' % tester.block.get_nonce(account_address)
genesis_alloc[account_address] = account_alloc
all_keys = set(private_keys)
all_keys.add(deploy_key)
all_keys = sorted(all_keys)
account_addresses = [
privatekey_to_address(key)
for key in all_keys
]
for address in account_addresses:
genesis_alloc[address]['balance'] = DEFAULT_BALANCE_BIN
alloc = {
address_encoder(address_maybe_bin): data
for address_maybe_bin, data in genesis_alloc.iteritems()
}
genesis = GENESIS_STUB.copy()
genesis['config']['clique'] = {'period': 1, 'epoch': 30000}
random_marker = request.getfixturevalue('random_marker')
genesis['extraData'] = clique_extradata(
random_marker,
address_encoder(account_addresses[0])[2:],
)
genesis['alloc'] = alloc
genesis['config']['defaultDiscoveryAddress'] = address_encoder(endpoint_discovery_address)
genesis['config']['defaultRegistryAddress'] = address_encoder(registry_address)
genesis['config']['tokenAddresses'] = [
address_encoder(token_address)
for token_address in token_contract_addresses
]
return genesis
def cached_genesis(request):
"""
Deploy all contracts that are required by the fixtures into a tester and
then serialize the accounts into a genesis block.
Returns:
dict: A dictionary representing the genesis block.
"""
if not request.config.option.blockchain_cache:
return
# this will create the tester _and_ deploy the Registry
deploy_key = request.getfixturevalue('deploy_key')
private_keys = request.getfixturevalue('private_keys')
registry, deploy_service, blockchain_services = _tester_services(
deploy_key,
private_keys,
request.getfixturevalue('tester_blockgas_limit'),
)
registry_address = registry.address
# create_network only registers the tokens,
# the contracts must be deployed previously
register = True
participants = [privatekey_to_address(privatekey) for privatekey in private_keys]
token_contract_addresses = _token_addresses(
request.getfixturevalue('token_amount'),
request.getfixturevalue('number_of_tokens'),
deploy_service,
registry,
participants,
register
)
endpoint_discovery_address = deploy_service.deploy_contract(
'EndpointRegistry',
get_contract_path('EndpointRegistry.sol'),
)
endpoint_discovery_services = [
ContractDiscovery(
chain.node_address,
chain.discovery(endpoint_discovery_address),
)
for chain in blockchain_services
]
raiden_apps = create_apps(
blockchain_services,
endpoint_discovery_services,
registry_address,
request.getfixturevalue('raiden_udp_ports'),
DummyTransport, # Do not use a UDP server to avoid port reuse in MacOSX
request.getfixturevalue('reveal_timeout'),
request.getfixturevalue('settle_timeout'),
request.getfixturevalue('database_paths'),
request.getfixturevalue('retry_interval'),
request.getfixturevalue('retries_before_backoff'),
request.getfixturevalue('throttle_capacity'),
request.getfixturevalue('throttle_fill_rate'),
request.getfixturevalue('nat_invitation_timeout'),
request.getfixturevalue('nat_keepalive_retries'),
request.getfixturevalue('nat_keepalive_timeout'),
)
if 'raiden_network' in request.fixturenames:
create_network_channels(
raiden_apps,
token_contract_addresses,
request.getfixturevalue('channels_per_node'),
request.getfixturevalue('deposit'),
request.getfixturevalue('settle_timeout'),
)
elif 'raiden_chain' in request.fixturenames:
create_sequential_channels(
raiden_apps,
token_contract_addresses[0],
request.getfixturevalue('channels_per_node'),
request.getfixturevalue('deposit'),
request.getfixturevalue('settle_timeout'),
)
# else: a test that is not creating channels
for app in raiden_apps:
app.stop(leave_channels=False)
# save the state from the last block into a genesis dict
tester = blockchain_services[0].tester_chain
tester.mine()
genesis_alloc = dict()
for account_address in tester.head_state.to_dict():
account_alloc = tester.head_state.account_to_dict(account_address)
# Both keys and values of the account storage associative array
# must now be encoded with 64 hex digits
if account_alloc['storage']:
account_alloc['storage'] = fix_tester_storage(account_alloc['storage'])
# code must be hex encoded with 0x prefix
account_alloc['code'] = account_alloc.get('code', '')
# account_to_dict returns accounts with nonce=0 and the nonce must
# be encoded with 16 hex digits
account_alloc['nonce'] = '0x%016x' % tester.head_state.get_nonce(account_address)
genesis_alloc[account_address] = account_alloc
all_keys = set(private_keys)
all_keys.add(deploy_key)
all_keys = sorted(all_keys)
account_addresses = [
privatekey_to_address(key)
for key in all_keys
]
for address in account_addresses:
address_hex = hexlify(address).decode()
genesis_alloc[address_hex]['balance'] = DEFAULT_BALANCE_BIN
genesis = GENESIS_STUB.copy()
genesis['config']['clique'] = {'period': 1, 'epoch': 30000}
random_marker = request.getfixturevalue('random_marker')
genesis['extraData'] = clique_extradata(
random_marker,
address_encoder(account_addresses[0])[2:],
)
genesis['alloc'] = genesis_alloc
genesis['config']['defaultDiscoveryAddress'] = address_encoder(endpoint_discovery_address)
genesis['config']['defaultRegistryAddress'] = address_encoder(registry_address)
genesis['config']['tokenAddresses'] = [
address_encoder(token_address)
for token_address in token_contract_addresses
]
return genesis
