"""Credential proposal message handler."""
from .....messaging.base_handler import (
BaseHandler,
BaseResponder,
HandlerException,
RequestContext,
)
from ..manager import V20CredManager
from ..messages.cred_proposal import V20CredProposal
from .....utils.tracing import trace_event, get_timer
[docs]class V20CredProposalHandler(BaseHandler):
"""Message handler class for credential proposals."""
[docs] async def handle(self, context: RequestContext, responder: BaseResponder):
"""
Message handler logic for credential proposals.
Args:
context: proposal context
responder: responder callback
"""
r_time = get_timer()
self._logger.debug("V20CredProposalHandler called with context %s", context)
assert isinstance(context.message, V20CredProposal)
self._logger.info(
"Received v2.0 credential proposal message: %s",
context.message.serialize(as_string=True),
)
if not context.connection_ready:
raise HandlerException("No connection established for credential proposal")
cred_manager = V20CredManager(context.profile)
cred_ex_record = await cred_manager.receive_proposal(
context.message, context.connection_record.connection_id
)
r_time = trace_event(
context.settings,
context.message,
outcome="CredentialProposalHandler.handle.END",
perf_counter=r_time,
)
# If auto_offer is enabled, respond immediately with offer
if cred_ex_record.auto_offer:
(cred_ex_record, cred_offer_message) = await cred_manager.create_offer(
cred_ex_record,
comment=context.message.comment,
)
await responder.send_reply(cred_offer_message)
trace_event(
context.settings,
cred_offer_message,
outcome="V20CredProposalHandler.handle.OFFER",
perf_counter=r_time,
)