コード例 #1
0
def get_registered_ddo(client, wallet, metadata, service_descriptor):
    aqua = Aquarius('http://localhost:5000')
    ddo_service_endpoint = aqua.get_service_endpoint()

    metadata_store_url = json.dumps({'t': 1, 'url': ddo_service_endpoint})
    # Create new data token contract
    addresses = get_contracts_addresses(get_address_file())
    dt_address = addresses.get(DTFactory.CONTRACT_NAME)
    if dt_address:
        factory_contract = DTFactory(dt_address)
    else:
        factory_contract = new_factory_contract()

    ddo_contract_address = addresses.get(MetadataContract.CONTRACT_NAME)
    metadata_contract = MetadataContract(ddo_contract_address)

    tx_id = factory_contract.createToken(metadata_store_url, 'DataToken1',
                                         'DT1', to_base_18(1000000), wallet)
    dt_contract = DataToken(factory_contract.get_token_address(tx_id))
    if not dt_contract:
        raise AssertionError('Creation of data token contract failed.')

    ddo = Asset()
    ddo.data_token_address = 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, wallet)

    did = ddo.assign_did(f'did:op:{remove_0x_prefix(ddo.data_token_address)}')
    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, wallet.address)

    ddo.add_authentication(did, PUBLIC_KEY_TYPE_RSA)

    # 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)}'

    files_list_str = json.dumps(metadata['main']['files'])
    encrypted_files = encrypt_document(client, did, files_list_str, wallet)
    # encrypted_files = do_encrypt(files_list_str, provider_wallet)

    # 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

    web3 = Web3Provider.get_web3()
    block = web3.eth.blockNumber
    try:
        data = lzma.compress(web3.toBytes(text=ddo.as_text()))
        tx_id = metadata_contract.create(ddo.asset_id, bytes([1]), data,
                                         wallet)
        if not metadata_contract.verify_tx(tx_id):
            raise AssertionError(
                f'create DDO on-chain failed, transaction status is 0. Transaction hash is {tx_id}'
            )
    except Exception as e:
        print(f'error publishing ddo {ddo.did} in Aquarius: {e}')
        raise

    log = metadata_contract.get_event_log(
        metadata_contract.EVENT_METADATA_CREATED, block, ddo.asset_id, 30)
    assert log, f'no ddo created event.'

    ddo = wait_for_ddo(aqua, ddo.did)
    assert ddo, f'resolve did {ddo.did} failed.'

    return ddo
コード例 #2
0
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
コード例 #3
0
def get_registered_ddo(account, providers=None):
    keeper = keeper_instance()
    aqua = Aquarius('http://localhost:5000')

    for did in aqua.list_assets():
        aqua.retire_asset_ddo(did)

    metadata = get_sample_ddo()['service'][0]['attributes']
    metadata['main']['files'][0]['checksum'] = str(uuid.uuid4())
    ddo = DDO()
    ddo_service_endpoint = aqua.get_service_endpoint()

    metadata_service_desc = ServiceDescriptor.metadata_service_descriptor(
        metadata, ddo_service_endpoint)

    access_service_attributes = {
        "main": {
            "name": "dataAssetAccessServiceAgreement",
            "creator": account.address,
            "price": metadata[MetadataMain.KEY]['price'],
            "timeout": 3600,
            "datePublished": metadata[MetadataMain.KEY]['dateCreated']
        }
    }

    service_descriptors = [
        ServiceDescriptor.authorization_service_descriptor(
            'http://localhost:12001')
    ]
    service_descriptors += [
        ServiceDescriptor.access_service_descriptor(
            access_service_attributes, 'http://localhost:8030',
            keeper.escrow_access_secretstore_template.address)
    ]

    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']))

    stype_to_service = {s.type: s for s in services}
    access_service = stype_to_service[ServiceTypes.ASSET_ACCESS]

    name_to_address = {
        cname: cinst.address
        for cname, cinst in keeper.contract_name_to_instance.items()
    }
    access_service.init_conditions_values(
        did, contract_name_to_address=name_to_address)
    ddo.add_service(access_service)
    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)

    encrypted_files = do_secret_store_encrypt(
        remove_0x_prefix(ddo.asset_id), json.dumps(metadata['main']['files']),
        account, get_config())
    _files = metadata['main']['files']
    # 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)
    aqua.publish_asset_ddo(ddo)
    return ddo
コード例 #4
0
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