"""Credential issue message handler."""
from .....messaging.base_handler import (
BaseHandler,
BaseResponder,
HandlerException,
RequestContext,
)
from ..manager import V20CredManager
from ..messages.cred_issue import V20CredIssue
from .....utils.tracing import trace_event, get_timer
[docs]class V20CredIssueHandler(BaseHandler):
"""Message handler class for credential offers."""
[docs] async def handle(self, context: RequestContext, responder: BaseResponder):
"""
Message handler logic for credential offers.
Args:
context: request context
responder: responder callback
"""
r_time = get_timer()
self._logger.debug("V20CredIssueHandler called with context %s", context)
assert isinstance(context.message, V20CredIssue)
self._logger.info(
"Received v2.0 credential issue message: %s",
context.message.serialize(as_string=True),
)
if not context.connection_ready:
raise HandlerException("No connection established for credential issue")
cred_manager = V20CredManager(context.profile)
cred_ex_record = await cred_manager.receive_credential(
context.message, context.connection_record.connection_id
)
r_time = trace_event(
context.settings,
context.message,
outcome="V20CredIssueHandler.handle.END",
perf_counter=r_time,
)
# Automatically move to next state if flag is set
if context.settings.get("debug.auto_store_credential"):
(
cred_ex_record,
cred_ack_message,
) = await cred_manager.store_credential(cred_ex_record)
# Ack issuer that holder stored credential
await responder.send_reply(cred_ack_message)
trace_event(
context.settings,
cred_ack_message,
outcome="V20CredIssueHandler.handle.STORE",
perf_counter=r_time,
)