def search_assets():
ConfigProvider.set_config(ExampleConfig.get_config())
nevermined = Nevermined()
account = get_account(0)
ddo = nevermined.assets.create(
example_metadata.metadata,
account,
)
sleep(ASYNC_DELAY)
logging.info(f'Registered asset: did={ddo.did}, ddo={ddo.as_text()}')
resolved_ddo = nevermined.assets.resolve(ddo.did)
logging.info(
f'resolved asset ddo: did={resolved_ddo.did}, ddo={resolved_ddo.as_text()}'
)
ddo_list = nevermined.assets.search('bonding curve')
logging.info(
f'found {len(ddo_list)} assets that contain `bonding curve` in their metadata.'
)
ddo_list = nevermined.assets.query(
{"query": {
"text": ['Nevermined protocol white paper']
}})
logging.info(
f'found {len(ddo_list)} assets with name that contains `Nevermined protocol white paper`'
)
def resolve_asset():
ConfigProvider.set_config(ExampleConfig.get_config())
nevermined = Nevermined()
account = get_account(0)
ddo = nevermined.assets.create(
example_metadata.metadata, account,
)
sleep(ASYNC_DELAY)
logging.info(f'Registered asset: did={ddo.did}, ddo={ddo.as_text()}')
resolved_ddo = nevermined.assets.resolve(ddo.did)
logging.info(f'resolved asset ddo: did={resolved_ddo.did}, ddo={resolved_ddo.as_text()}')
def sign_service_agreement():
ConfigProvider.set_config(ExampleConfig.get_config())
# make ocean instance and register an asset
nevermined = Nevermined()
acc = get_account(0)
ddo = nevermined.assets.create(example_metadata.metadata, acc)
consumer_account = get_account(1)
agreement_id, signature = nevermined.agreements.prepare(
ddo.did, consumer_account)
sleep(ASYNC_DELAY)
logging.info(f'service agreement signed: '
f'\nservice agreement id: {agreement_id}, '
f'\nsignature: {signature}')
def test_buy_asset(publisher_instance_no_init, consumer_instance_no_init):
config = ExampleConfig.get_config()
ConfigProvider.set_config(config)
keeper = Keeper.get_instance()
# :TODO: enable the actual SecretStore
# SecretStoreProvider.set_secret_store_class(SecretStore)
w3 = Web3Provider.get_web3()
pub_acc = get_publisher_account()
# Register ddo
ddo = get_registered_ddo(publisher_instance_no_init, pub_acc)
assert isinstance(ddo, DDO)
# nevermined here will be used only to publish the asset. Handling the asset by the publisher
# will be performed by the Gateway server running locally
# restore the http client because we want the actual Gateway server to do the work
# not the GatewayMock.
# Gateway.set_http_client(requests)
consumer_account = get_consumer_account()
downloads_path_elements = len(
os.listdir(consumer_instance_no_init._config.downloads_path)) if os.path.exists(
consumer_instance_no_init._config.downloads_path) else 0
# sign agreement using the registered asset did above
service = ddo.get_service(service_type=ServiceTypes.ASSET_ACCESS)
sa = ServiceAgreement.from_service_dict(service.as_dictionary())
# This will send the access request to Gateway which in turn will execute the agreement on-chain
consumer_instance_no_init.accounts.request_tokens(consumer_account, 100)
agreement_id = consumer_instance_no_init.assets.order(
ddo.did, sa.index, consumer_account, consumer_account)
event_wait_time = 10
event = keeper.lock_payment_condition.subscribe_condition_fulfilled(
agreement_id,
event_wait_time,
log_event(keeper.lock_payment_condition.FULFILLED_EVENT),
(),
wait=True
)
assert event, 'no event for LockRewardCondition.Fulfilled'
# give access
publisher_instance_no_init.agreements.conditions.grant_access(
agreement_id, ddo.asset_id, consumer_account.address, pub_acc)
event = keeper.access_condition.subscribe_condition_fulfilled(
agreement_id,
event_wait_time,
log_event(keeper.access_condition.FULFILLED_EVENT),
(),
wait=True
)
assert event, 'no event for AccessSecretStoreCondition.Fulfilled'
assert consumer_instance_no_init.agreements.is_access_granted(agreement_id, ddo.did, consumer_account.address)
amounts = list(map(int, service.get_param_value_by_name('_amounts')))
receivers = service.get_param_value_by_name('_receivers')
publisher_instance_no_init.agreements.conditions.release_reward(
agreement_id, ddo.asset_id, amounts, receivers, pub_acc)
assert consumer_instance_no_init.assets.access(
agreement_id,
ddo.did,
sa.index,
consumer_account,
config.downloads_path)
assert len(os.listdir(config.downloads_path)) == downloads_path_elements + 1
# Check that we can access only an specific file in passing the index.
assert consumer_instance_no_init.assets.access(
agreement_id,
ddo.did,
sa.index,
consumer_account,
config.downloads_path,
1
)
assert len(os.listdir(config.downloads_path)) == downloads_path_elements + 1
with pytest.raises(AssertionError):
consumer_instance_no_init.assets.access(
agreement_id,
ddo.did,
sa.index,
consumer_account,
config.downloads_path,
-2
)
with pytest.raises(AssertionError):
consumer_instance_no_init.assets.access(
agreement_id,
ddo.did,
sa.index,
consumer_account,
config.downloads_path,
3
)
# decrypt the contentUrls using the publisher account instead of consumer account.
# if the secret store is working and ACL check is enabled, this should fail
# since SecretStore decrypt will fail the checkPermissions check and the gateway will return
# an http error code back
with pytest.raises(ValueError) as e:
consumer_instance_no_init.assets.access(
agreement_id,
ddo.did,
sa.index,
pub_acc,
config.downloads_path
)
print(e)
def test_buy_asset_no_secret_store(publisher_instance_gateway, consumer_instance_gateway):
config = ExampleConfig.get_config()
ConfigProvider.set_config(config)
keeper = Keeper.get_instance()
w3 = Web3Provider.get_web3()
pub_acc = get_publisher_account()
for method in [ServiceAuthorizationTypes.SECRET_STORE, ServiceAuthorizationTypes.PSK_ECDSA, ServiceAuthorizationTypes.PSK_RSA]:
# Register ddo
ddo = get_registered_with_psk(publisher_instance_gateway, pub_acc, auth_method=method)
assert isinstance(ddo, DDO)
# nevermined here will be used only to publish the asset. Handling the asset by the publisher
# will be performed by the Gateway server running locally
# restore the http client because we want the actual Gateway server to do the work
# not the GatewayMock.
# Gateway.set_http_client(requests)
consumer_account = get_consumer_account()
downloads_path_elements = len(
os.listdir(consumer_instance_gateway._config.downloads_path)) if os.path.exists(
consumer_instance_gateway._config.downloads_path) else 0
# sign agreement using the registered asset did above
service = ddo.get_service(service_type=ServiceTypes.ASSET_ACCESS)
sa = ServiceAgreement.from_service_dict(service.as_dictionary())
# This will send the access request to Gateway which in turn will execute the agreement on-chain
consumer_instance_gateway.accounts.request_tokens(consumer_account, 100)
agreement_id = consumer_instance_gateway.assets.order(
ddo.did, sa.index, consumer_account, consumer_account)
event_wait_time = 10
event = keeper.access_template.subscribe_agreement_created(
agreement_id,
event_wait_time,
log_event(keeper.access_template.AGREEMENT_CREATED_EVENT),
(),
wait=True
)
assert event, 'no event for EscrowAccessSecretStoreTemplate.AgreementCreated'
event = keeper.lock_payment_condition.subscribe_condition_fulfilled(
agreement_id,
event_wait_time,
log_event(keeper.lock_payment_condition.FULFILLED_EVENT),
(),
wait=True
)
assert event, 'no event for LockRewardCondition.Fulfilled'
# give access
publisher_instance_gateway.agreements.conditions.grant_access(
agreement_id, ddo.asset_id, consumer_account.address, pub_acc)
event = keeper.access_condition.subscribe_condition_fulfilled(
agreement_id,
event_wait_time,
log_event(keeper.access_condition.FULFILLED_EVENT),
(),
wait=True
)
assert event, 'no event for AccessSecretStoreCondition.Fulfilled'
assert consumer_instance_gateway.agreements.is_access_granted(agreement_id, ddo.did, consumer_account.address)
publisher_instance_gateway.agreements.conditions.release_reward(
agreement_id, ddo.asset_id, sa.get_amounts_int(), sa.get_receivers(), pub_acc)
assert consumer_instance_gateway.assets.access(
agreement_id,
ddo.did,
sa.index,
consumer_account,
config.downloads_path)
assert len(os.listdir(config.downloads_path)) == downloads_path_elements + 1
with pytest.raises(AssertionError):
consumer_instance_gateway.assets.access(
agreement_id,
ddo.did,
sa.index,
consumer_account,
config.downloads_path,
-2
)
with pytest.raises(AssertionError):
consumer_instance_gateway.assets.access(
agreement_id,
ddo.did,
sa.index,
consumer_account,
config.downloads_path,
3
)
def test_nfts_flow(publisher_instance_no_init, consumer_instance_no_init):
config = ExampleConfig.get_config()
ConfigProvider.set_config(config)
keeper = Keeper.get_instance()
pub_acc = get_publisher_account()
# Register ddo
ddo = get_registered_ddo_nft(publisher_instance_no_init, pub_acc)
asset_id = ddo.asset_id
nft_amounts = 1
assert isinstance(ddo, DDO)
consumer_account = get_consumer_account()
consumer_instance_no_init.accounts.request_tokens(consumer_account, 100)
service_sales = ddo.get_service(service_type=ServiceTypes.NFT_SALES)
sa_sales = ServiceAgreement.from_service_dict(
service_sales.as_dictionary())
amounts = sa_sales.get_amounts_int()
receivers = sa_sales.get_receivers()
number_nfts = sa_sales.get_number_nfts()
token_address = keeper.token.address
sales_agreement_id = consumer_instance_no_init.assets.order(
ddo.did, sa_sales.index, consumer_account, consumer_account)
sales_agreement = keeper.agreement_manager.get_agreement(
sales_agreement_id)
assert sales_agreement.did == asset_id, ''
lock_cond_id = sales_agreement.condition_ids[0]
access_cond_id = sales_agreement.condition_ids[1]
escrow_cond_id = sales_agreement.condition_ids[2]
# transfer the nft
keeper.transfer_nft_condition.fulfill(sales_agreement_id, asset_id,
consumer_account.address,
nft_amounts, lock_cond_id, pub_acc)
# escrow payment
keeper.escrow_payment_condition.fulfill(
sales_agreement_id, asset_id, amounts, receivers,
keeper.escrow_payment_condition.address, token_address, lock_cond_id,
access_cond_id, pub_acc)
assert keeper.condition_manager.get_condition_state(lock_cond_id) == 2, ''
assert keeper.condition_manager.get_condition_state(
access_cond_id) == 2, ''
assert keeper.condition_manager.get_condition_state(
escrow_cond_id) == 2, ''
assert keeper.did_registry.balance(consumer_account.address,
asset_id) >= number_nfts
# CHECK ACCESS CREATING THE AGREEMENT
nft_access_service_agreement = ServiceAgreement.from_ddo(
ServiceTypes.NFT_ACCESS, ddo)
sa_access = ddo.get_service(service_type=ServiceTypes.NFT_ACCESS)
nft_access_agreement_id = consumer_instance_no_init.assets.order(
ddo.did, sa_access.index, consumer_account, consumer_account)
event = keeper.nft_access_template.subscribe_agreement_created(
nft_access_agreement_id,
10,
log_event(keeper.nft_access_template.AGREEMENT_CREATED_EVENT), (),
wait=True)
assert event, 'no event for AgreementCreated '
time.sleep(3)
keeper.nft_holder_condition.fulfill(nft_access_agreement_id, asset_id,
consumer_account.address, number_nfts,
consumer_account)
time.sleep(3)
keeper.nft_access_condition.fulfill(nft_access_agreement_id, asset_id,
consumer_account.address, pub_acc)
time.sleep(3)
access_agreement = keeper.agreement_manager.get_agreement(
nft_access_agreement_id)
assert access_agreement.did == asset_id, ''
nft_holder_cond_id = access_agreement.condition_ids[0]
nft_access_cond_id = access_agreement.condition_ids[1]
assert keeper.condition_manager.get_condition_state(
nft_access_cond_id) == 2, ''
assert keeper.condition_manager.get_condition_state(
nft_holder_cond_id) == 2, ''
# AND HERE TESTING WITHOUT CREATING THE AGREEMENT
service_access = ddo.get_service(service_type=ServiceTypes.NFT_ACCESS)
no_agreement_id = '0x'
assert consumer_instance_no_init.assets.access(
no_agreement_id,
ddo.did,
service_access.index,
consumer_account,
config.downloads_path,
service_type=ServiceTypes.NFT_ACCESS)
# AND HERE CHECKING CREATING AN AGREEMENT FIRST
nft_access_service_agreement = ServiceAgreement.from_ddo(
ServiceTypes.NFT_ACCESS, ddo)
nft_access_agreement_id = ServiceAgreement.create_new_agreement_id()
(nft_access_cond_id, nft_holder_cond_id
) = nft_access_service_agreement.generate_agreement_condition_ids(
nft_access_agreement_id, asset_id, consumer_account.address, keeper)
keeper.nft_access_template.create_agreement(
nft_access_agreement_id, asset_id,
[nft_holder_cond_id, nft_access_cond_id],
nft_access_service_agreement.conditions_timelocks,
nft_access_service_agreement.conditions_timeouts,
consumer_account.address, pub_acc)
event = keeper.nft_access_template.subscribe_agreement_created(
nft_access_agreement_id,
10,
log_event(keeper.nft_access_template.AGREEMENT_CREATED_EVENT), (),
wait=True)
assert event, 'no event for AgreementCreated '
# This is because in this test the gateway is executed using the same account than the consumer
keeper.did_registry.add_provider(asset_id, consumer_account.address,
pub_acc)
time.sleep(3)
assert consumer_instance_no_init.assets.access(
nft_access_agreement_id,
ddo.did,
service_access.index,
consumer_account,
config.downloads_path,
index=0,
service_type=ServiceTypes.NFT_ACCESS)
def compute_example(verbose=False):
print("Setting up...")
if verbose:
configure_logging()
date_created = dates_generator()
# Setup nevermined
ConfigProvider.set_config(ExampleConfig.get_config())
config = ConfigProvider.get_config()
nevermined = Nevermined()
keeper = Keeper.get_instance()
provider = "0x068Ed00cF0441e4829D9784fCBe7b9e26D4BD8d0"
asset_rewards = {
"_amounts": ["10", "2"],
"_receivers": ["0x00Bd138aBD70e2F00903268F3Db08f2D25677C9e", "0x068ed00cf0441e4829d9784fcbe7b9e26d4bd8d0"]
}
# Setup accounts
acc = Account(
Web3.toChecksumAddress(PROVIDER_ADDRESS), PROVIDER_PASSWORD, PROVIDER_KEYFILE
)
nevermined.accounts.request_tokens(acc, 10)
provider_acc = acc
consumer_acc = acc
# Publish compute
example_metadata.compute_ddo["main"]["dateCreated"] = next(date_created)
ddo_compute = nevermined.assets.create_compute(
example_metadata.metadata, provider_acc, asset_rewards, providers=[provider]
)
assert ddo_compute is not None, "Creating compute asset on-chain failed."
print(
f"[PROVIDER --> NEVERMINED] Publishing compute to the data asset: {ddo_compute.did}"
)
# Publish algorithm
example_metadata.algo_metadata["main"]["dateCreated"] = next(date_created)
ddo_transformation = nevermined.assets.create(
example_metadata.algo_metadata, consumer_acc, providers=[provider]
)
assert (
ddo_transformation is not None
), "Creating asset transformation on-chain failed."
print(
f"[CONSUMER --> NEVERMINED] Publishing algorithm asset: {ddo_transformation.did}"
)
# Publish workflows
workflow_metadata = example_metadata.workflow_ddo
workflow_metadata["main"]["workflow"]["stages"][0]["input"][0]["id"] = ddo_compute.did
workflow_metadata["main"]["workflow"]["stages"][0]["transformation"][
"id"
] = ddo_transformation.did
ddo_workflow = nevermined.assets.create(
workflow_metadata, consumer_acc, providers=[provider]
)
assert ddo_workflow is not None, "Creating asset workflow on-chain failed."
print(f"[CONSUMER --> NEVERMINED] Publishing compute workflow: {ddo_workflow.did}")
# Order computation
service = ddo_compute.get_service(service_type=ServiceTypes.CLOUD_COMPUTE)
service_agreement = ServiceAgreement.from_service_dict(service.as_dictionary())
agreement_id = nevermined.assets.order(
ddo_compute.did, service_agreement.index, consumer_acc
)
print(
f"[CONSUMER --> PROVIDER] Requesting an agreement for compute to the data: {agreement_id}"
)
event = keeper.lock_payment_condition.subscribe_condition_fulfilled(
agreement_id, 60, None, (), wait=True
)
assert event is not None, "Reward condition is not found"
event = keeper.compute_execution_condition.subscribe_condition_fulfilled(
agreement_id, 60, None, (), wait=True
)
assert event is not None, "Execution condition not found"
# Execute workflow
nevermined.assets.execute(
agreement_id,
ddo_compute.did,
service_agreement.index,
consumer_acc,
ddo_workflow.did,
)
print("[CONSUMER --> PROVIDER] Requesting execution of the compute workflow")
event = keeper.escrow_payment_condition.subscribe_condition_fulfilled(
agreement_id, 60, None, (), wait=True
)
assert event is not None, "Escrow Reward condition not found"
print("Workflow successfully executed")
from examples import ExampleConfig
from nevermined_sdk_py import ConfigProvider
from nevermined_sdk_py.nevermined.keeper import NeverminedKeeper as Keeper
from nevermined_sdk_py.assets.asset_executor import AssetExecutor
from nevermined_sdk_py.assets.asset_consumer import AssetConsumer
from nevermined_sdk_py.nevermined.agreements import Agreements
from tests.resources.helper_functions import (
_get_asset, get_algorithm_ddo, get_consumer_account, get_consumer_instance,
get_ddo_sample, get_metadata, get_publisher_account,
get_publisher_instance, get_registered_ddo, get_workflow_ddo,
setup_logging)
from tests.resources.mocks.secret_store_mock import SecretStoreMock
setup_logging()
ConfigProvider.set_config(ExampleConfig.get_config())
metadata_provider = Metadata(ConfigProvider.get_config().metadata_url)
@pytest.fixture(autouse=True)
def setup_all():
config = ExampleConfig.get_config()
Web3Provider.get_web3(config.keeper_url)
ContractHandler.artifacts_path = config.keeper_path
Keeper.get_instance(artifacts_path=config.keeper_path)
@pytest.fixture
def secret_store():
return SecretStoreMock
def buy_asset():
"""
Requires all Nevermined services running.
"""
ConfigProvider.set_config(ExampleConfig.get_config())
config = ConfigProvider.get_config()
providers = {
'duero': '0xfEF2d5e1670342b9EF22eeeDcb287EC526B48095',
'nile': '0x4aaab179035dc57b35e2ce066919048686f82972'
}
# make nevermined instance
nevermined = Nevermined()
Diagnostics.verify_contracts()
acc = get_account(1)
if not acc:
acc = ([acc for acc in nevermined.accounts.list() if acc.password] or nevermined.accounts.list())[0]
keeper = Keeper.get_instance()
# Register ddo
did = '' # 'did:nv:7648596b60f74301ae1ef9baa5d637255d517ff362434754a3779e1de4c8219b'
if did:
ddo = nevermined.assets.resolve(did)
logging.info(f'using ddo: {did}')
else:
ddo = nevermined.assets.create(example_metadata.metadata, acc, providers=[], authorization_type='SecretStore', use_secret_store=True)
assert ddo is not None, f'Registering asset on-chain failed.'
did = ddo.did
logging.info(f'registered ddo: {did}')
# nevermined here will be used only to publish the asset. Handling the asset by the publisher
# will be performed by the Gateway server running locally
test_net = os.environ.get('TEST_NET', '')
if test_net.startswith('nile'):
provider = keeper.did_registry.to_checksum_address(providers['nile'])
elif test_net.startswith('duero'):
provider = keeper.did_registry.to_checksum_address(providers['duero'])
else:
provider = '0x068Ed00cF0441e4829D9784fCBe7b9e26D4BD8d0'
# Wait for did registry event
event = keeper.did_registry.subscribe_to_event(
keeper.did_registry.DID_REGISTRY_EVENT_NAME,
30,
event_filter={
'_did': Web3Provider.get_web3().toBytes(hexstr=ddo.asset_id),
'_owner': acc.address},
wait=True
)
if not event:
logging.warning(f'Failed to get the did registry event for asset with did {did}.')
assert keeper.did_registry.get_block_number_updated(ddo.asset_id) > 0, \
f'There is an issue in registering asset {did} on-chain.'
keeper.did_registry.add_provider(ddo.asset_id, provider, acc)
logging.info(f'is {provider} set as did provider: '
f'{keeper.did_registry.is_did_provider(ddo.asset_id, provider)}')
nevermined_cons = Nevermined()
consumer_account = get_account(0)
# sign agreement using the registered asset did above
service = ddo.get_service(service_type=ServiceTypes.ASSET_ACCESS)
# This will send the order request to Gateway which in turn will execute the agreement on-chain
nevermined_cons.accounts.request_tokens(consumer_account, 10)
sa = ServiceAgreement.from_service_dict(service.as_dictionary())
agreement_id = ''
if not agreement_id:
# Use these 2 lines to request new agreement from Gateway
# agreement_id, signature = nevermined_cons.agreements.prepare(did, sa.service_definition_id,
# consumer_account)
# nevermined_cons.agreements.send(did, agreement_id, sa.service_definition_id, signature,
# consumer_account)
# assets.order now creates agreement directly using consumer account.
agreement_id = nevermined_cons.assets.order(
did, sa.index, consumer_account)
logging.info('placed order: %s, %s', did, agreement_id)
event = keeper.access_template.subscribe_agreement_created(
agreement_id, 60, None, (), wait=True
)
assert event, "Agreement event is not found, check the keeper node's logs"
logging.info(f'Got agreement event, next: lock reward condition')
event = keeper.lock_payment_condition.subscribe_condition_fulfilled(
agreement_id, 60, None, (), wait=True
)
assert event, "Lock reward condition fulfilled event is not found, check the keeper node's logs"
logging.info('Got lock reward event, next: wait for the access condition..')
event = keeper.access_condition.subscribe_condition_fulfilled(
agreement_id, 15, None, (), wait=True
)
logging.info(f'Got access event {event}')
i = 0
while nevermined.agreements.is_access_granted(
agreement_id, did, consumer_account.address) is not True and i < 15:
time.sleep(1)
i += 1
assert nevermined.agreements.is_access_granted(agreement_id, did, consumer_account.address)
nevermined.assets.access(
agreement_id,
did,
sa.index,
consumer_account,
config.downloads_path,
index=0)
logging.info('Success buying asset.')
event = keeper.escrow_payment_condition.subscribe_condition_fulfilled(
agreement_id,
30,
None,
(),
wait=True
)
assert event, 'no event for EscrowReward.Fulfilled'
logging.info(f'got EscrowReward.FULFILLED event: {event}')
logging.info('Done buy asset.')