def get_registered_ddo(account, metadata, service_descriptor, providers=None):
keeper = keeper_instance()
aqua = Aquarius('http://localhost:5000')
ddo = DDO()
ddo_service_endpoint = aqua.get_service_endpoint()
metadata_service_desc = ServiceDescriptor.metadata_service_descriptor(
metadata, ddo_service_endpoint)
service_descriptors = list([
ServiceDescriptor.authorization_service_descriptor(
'http://localhost:12001')
])
service_descriptors.append(service_descriptor)
service_type = service_descriptor[0]
service_descriptors = [metadata_service_desc] + service_descriptors
services = ServiceFactory.build_services(service_descriptors)
checksums = dict()
for service in services:
checksums[str(service.index)] = checksum(service.main)
# Adding proof to the ddo.
ddo.add_proof(checksums, account)
did = ddo.assign_did(DID.did(ddo.proof['checksum']))
ddo_service_endpoint.replace('{did}', did)
services[0].set_service_endpoint(ddo_service_endpoint)
stype_to_service = {s.type: s for s in services}
_service = stype_to_service[service_type]
name_to_address = {
cname: cinst.address
for cname, cinst in keeper.contract_name_to_instance.items()
}
_service.init_conditions_values(did,
contract_name_to_address=name_to_address)
for service in services:
ddo.add_service(service)
ddo.proof['signatureValue'] = keeper.sign_hash(did_to_id_bytes(did),
account)
ddo.add_public_key(did, account.address)
ddo.add_authentication(did, PUBLIC_KEY_TYPE_RSA)
try:
_oldddo = aqua.get_asset_ddo(ddo.did)
if _oldddo:
aqua.retire_asset_ddo(ddo.did)
except ValueError:
pass
if not plecos.is_valid_dict_local(ddo.metadata):
print(f'invalid metadata: {plecos.validate_dict_local(ddo.metadata)}')
assert False, f'invalid metadata: {plecos.validate_dict_local(ddo.metadata)}'
encrypted_files = do_secret_store_encrypt(
remove_0x_prefix(ddo.asset_id), json.dumps(metadata['main']['files']),
account, get_config())
# only assign if the encryption worked
if encrypted_files:
index = 0
for file in metadata['main']['files']:
file['index'] = index
index = index + 1
del file['url']
metadata['encryptedFiles'] = encrypted_files
keeper_instance().did_registry.register(
ddo.asset_id,
checksum=web3().toBytes(hexstr=ddo.asset_id),
url=ddo_service_endpoint,
account=account,
providers=providers)
try:
aqua.publish_asset_ddo(ddo)
except Exception as e:
print(f'error publishing ddo {ddo.did} in Aquarius: {e}')
raise
return ddo
def get_asset_from_metadatastore(metadata_url, document_id):
aqua = Aquarius(metadata_url)
return aqua.get_asset_ddo(document_id)
def get_registered_ddo(account, metadata, service_descriptor):
aqua = Aquarius('http://localhost:5000')
ddo = DDO()
ddo_service_endpoint = aqua.get_service_endpoint()
# Create new data token contract
dt_contract = FactoryContract(get_config().factory_address)\
.create_data_token(account, metadata_url=ddo_service_endpoint)
if not dt_contract:
raise AssertionError('Creation of data token contract failed.')
ddo._other_values = {'dataTokenAddress': dt_contract.address}
metadata_service_desc = ServiceDescriptor.metadata_service_descriptor(
metadata, ddo_service_endpoint
)
service_descriptors = list(
[ServiceDescriptor.authorization_service_descriptor('http://localhost:12001')])
service_descriptors.append(service_descriptor)
service_type = service_descriptor[0]
service_descriptors = [metadata_service_desc] + service_descriptors
services = ServiceFactory.build_services(service_descriptors)
checksums = dict()
for service in services:
checksums[str(service.index)] = checksum(service.main)
# Adding proof to the ddo.
ddo.add_proof(checksums, account)
did = ddo.assign_did(DID.did(ddo.proof['checksum']))
ddo_service_endpoint.replace('{did}', did)
services[0].set_service_endpoint(ddo_service_endpoint)
stype_to_service = {s.type: s for s in services}
_service = stype_to_service[service_type]
for service in services:
ddo.add_service(service)
# ddo.proof['signatureValue'] = ocean_lib.sign_hash(
# did_to_id_bytes(did), account)
ddo.add_public_key(did, account.address)
ddo.add_authentication(did, PUBLIC_KEY_TYPE_RSA)
try:
_oldddo = aqua.get_asset_ddo(ddo.did)
if _oldddo:
aqua.retire_asset_ddo(ddo.did)
except ValueError:
pass
if not plecos.is_valid_dict_local(ddo.metadata):
print(f'invalid metadata: {plecos.validate_dict_local(ddo.metadata)}')
assert False, f'invalid metadata: {plecos.validate_dict_local(ddo.metadata)}'
encrypted_files = do_encrypt(
json.dumps(metadata['main']['files']),
account,
)
# only assign if the encryption worked
if encrypted_files:
index = 0
for file in metadata['main']['files']:
file['index'] = index
index = index + 1
del file['url']
metadata['encryptedFiles'] = encrypted_files
# ddo._other_values
try:
aqua.publish_asset_ddo(ddo)
except Exception as e:
print(f'error publishing ddo {ddo.did} in Aquarius: {e}')
raise
return ddo