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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,105 @@ | ||
| """Common endorsement utilities.""" | ||
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| import logging | ||
|
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||
| from ..connections.models.conn_record import ConnRecord | ||
| from ..core.profile import Profile | ||
| from ..protocols.connections.v1_0.manager import ConnectionManager | ||
| from ..protocols.connections.v1_0.messages.connection_invitation import ( | ||
| ConnectionInvitation, | ||
| ) | ||
| from ..protocols.endorse_transaction.v1_0.manager import TransactionManager | ||
| from ..protocols.endorse_transaction.v1_0.transaction_jobs import TransactionJob | ||
| from ..protocols.endorse_transaction.v1_0.util import ( | ||
| get_endorser_connection_id, | ||
| is_author_role, | ||
| ) | ||
| from ..protocols.out_of_band.v1_0.manager import OutOfBandManager | ||
| from ..protocols.out_of_band.v1_0.messages.invitation import InvitationMessage | ||
|
|
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| LOGGER = logging.getLogger(__name__) | ||
|
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|
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| async def attempt_auto_author_with_endorser_setup(profile: Profile): | ||
| """Automatically setup the author's endorser connection if possible.""" | ||
|
|
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| if not is_author_role(profile): | ||
| return | ||
|
|
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| endorser_invitation = profile.settings.get_value("endorser.endorser_invitation") | ||
| if not endorser_invitation: | ||
| LOGGER.info("No endorser invitation, can't connect automatically.") | ||
| return | ||
|
|
||
| endorser_alias = profile.settings.get_value("endorser.endorser_alias") | ||
| if not endorser_alias: | ||
| LOGGER.info("No endorser alias, alias is required if invitation is specified.") | ||
| return | ||
|
|
||
| connection_id = await get_endorser_connection_id(profile) | ||
| if connection_id: | ||
| LOGGER.info("Connected to endorser from previous connection.") | ||
| return | ||
|
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||
| endorser_did = profile.settings.get_value("endorser.endorser_public_did") | ||
| if not endorser_did: | ||
| LOGGER.info( | ||
| "No endorser DID, can connect, but can't setup connection metadata." | ||
| ) | ||
| return | ||
|
|
||
| try: | ||
| # OK, we are an author, we have no endorser connection but we have enough info | ||
| # to automatically initiate the connection | ||
| invite = InvitationMessage.from_url(endorser_invitation) | ||
| if invite: | ||
| oob_mgr = OutOfBandManager(profile) | ||
| oob_record = await oob_mgr.receive_invitation( | ||
| invitation=invite, | ||
| auto_accept=True, | ||
| alias=endorser_alias, | ||
| ) | ||
| async with profile.session() as session: | ||
| conn_record = await ConnRecord.retrieve_by_id( | ||
| session, oob_record.connection_id | ||
| ) | ||
| else: | ||
| invite = ConnectionInvitation.from_url(endorser_invitation) | ||
| if invite: | ||
| conn_mgr = ConnectionManager(profile) | ||
| conn_record = await conn_mgr.receive_invitation( | ||
| invitation=invite, | ||
| auto_accept=True, | ||
| alias=endorser_alias, | ||
| ) | ||
| else: | ||
| raise Exception( | ||
| "Failed to establish endorser connection, invalid " | ||
| "invitation format." | ||
| ) | ||
|
|
||
| # configure the connection role and info (don't need to wait for the connection) | ||
| transaction_mgr = TransactionManager(profile) | ||
| await transaction_mgr.set_transaction_my_job( | ||
| record=conn_record, | ||
| transaction_my_job=TransactionJob.TRANSACTION_AUTHOR.name, | ||
| ) | ||
|
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| async with profile.session() as session: | ||
| value = await conn_record.metadata_get(session, "endorser_info") | ||
| if value: | ||
| value["endorser_did"] = endorser_did | ||
| value["endorser_name"] = endorser_alias | ||
| else: | ||
| value = {"endorser_did": endorser_did, "endorser_name": endorser_alias} | ||
| await conn_record.metadata_set(session, key="endorser_info", value=value) | ||
|
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||
| LOGGER.info( | ||
| "Successfully connected to endorser from invitation, and setup connection metadata." # noqa: E501 | ||
| ) | ||
|
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||
| except Exception: | ||
| # log the error, but continue | ||
| LOGGER.info( | ||
| "Error accepting endorser invitation/configuring endorser connection" | ||
| ) |