aries_cloudagent.protocols.present_proof.v2_0.formats.indy package

Submodules

aries_cloudagent.protocols.present_proof.v2_0.formats.indy.handler module

V2.0 present-proof indy presentation-exchange format handler.

class aries_cloudagent.protocols.present_proof.v2_0.formats.indy.handler.IndyPresExchangeHandler(profile: aries_cloudagent.core.profile.Profile)

Bases: aries_cloudagent.protocols.present_proof.v2_0.formats.handler.V20PresFormatHandler

Indy presentation format handler.

create_bound_request(pres_ex_record: aries_cloudagent.protocols.present_proof.v2_0.models.pres_exchange.V20PresExRecord, request_data: dict = None) → Tuple[aries_cloudagent.protocols.present_proof.v2_0.messages.pres_format.V20PresFormat, aries_cloudagent.messaging.decorators.attach_decorator.AttachDecorator]

Create a presentation request bound to a proposal.

Parameters:

• pres_ex_record – Presentation exchange record for which to create presentation request
• request_data – Dict

Returns:

A tuple (updated presentation exchange record, presentation request message)

create_pres(pres_ex_record: aries_cloudagent.protocols.present_proof.v2_0.models.pres_exchange.V20PresExRecord, request_data: dict = None) → Tuple[aries_cloudagent.protocols.present_proof.v2_0.messages.pres_format.V20PresFormat, aries_cloudagent.messaging.decorators.attach_decorator.AttachDecorator]

Create a presentation.

format = FormatSpec(aries='hlindy/', handler=<aries_cloudagent.utils.classloader.DeferLoad object>)

get_format_data(message_type: str, data: dict) → Tuple[aries_cloudagent.protocols.present_proof.v2_0.messages.pres_format.V20PresFormat, aries_cloudagent.messaging.decorators.attach_decorator.AttachDecorator]

Get presentation format and attach objects for use in pres_ex messages.

get_format_identifier(message_type: str) → str

Get attachment format identifier for format and message combination.

Parameters:message_type (str) – Message type for which to return the format identifier Returns:Issue credential attachment format identifier Return type:str

receive_pres(message: aries_cloudagent.protocols.present_proof.v2_0.messages.pres.V20Pres, pres_ex_record: aries_cloudagent.protocols.present_proof.v2_0.models.pres_exchange.V20PresExRecord)

Receive a presentation and check for presented values vs. proposal request.

classmethod validate_fields(message_type: str, attachment_data: Mapping)

Validate attachment data for a specific message type.

Uses marshmallow schemas to validate if format specific attachment data is valid for the specified message type. Only does structural and type checks, does not validate if .e.g. the issuer value is valid.

Parameters:

• message_type (str) – The message type to validate the attachment data for. Should be one of the message types as defined in message_types.py
• attachment_data (Mapping) – [description] The attachment data to valide

Raises:

Exception – When the data is not valid.

verify_pres(pres_ex_record: aries_cloudagent.protocols.present_proof.v2_0.models.pres_exchange.V20PresExRecord) → aries_cloudagent.protocols.present_proof.v2_0.models.pres_exchange.V20PresExRecord

Verify a presentation.

Parameters:pres_ex_record – presentation exchange record with presentation request and presentation to verify Returns:presentation exchange record, updated