78 lines
2.6 KiB
Python
78 lines
2.6 KiB
Python
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# standard imports
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import logging
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# external imports
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import celery
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from eth_address_declarator import Declarator
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from chainlib.connection import RPCConnection
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from chainlib.chain import ChainSpec
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from cic_eth.db.models.role import AccountRole
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from cic_eth_registry import CICRegistry
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from hexathon import strip_0x
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# local imports
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from cic_eth.task import BaseTask
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from cic_eth.error import TrustError
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celery_app = celery.current_app
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logg = logging.getLogger()
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@celery_app.task(bind=True, base=BaseTask)
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def verify_proof(self, chained_input, proof, subject, chain_spec_dict, success_callback, error_callback):
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proof = strip_0x(proof)
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proofs = []
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logg.debug('proof count {}'.format(len(proofs)))
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if len(proofs) == 0:
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logg.debug('error {}'.format(len(proofs)))
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raise TrustError('foo')
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return (chained_input, (proof, proofs))
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@celery_app.task(bind=True, base=BaseTask)
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def verify_proofs(self, chained_input, subject, proofs, chain_spec_dict, success_callback, error_callback):
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queue = self.request.delivery_info.get('routing_key')
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chain_spec = ChainSpec.from_dict(chain_spec_dict)
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rpc = RPCConnection.connect(chain_spec, 'default')
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session = self.create_session()
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sender_address = AccountRole.get_address('DEFAULT', session)
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registry = CICRegistry(chain_spec, rpc)
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declarator_address = registry.by_name('AddressDeclarator', sender_address=sender_address)
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declarator = Declarator(chain_spec)
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have_proofs = {}
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for proof in proofs:
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proof = strip_0x(proof)
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have_proofs[proof] = []
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for trusted_address in self.trusted_addresses:
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o = declarator.declaration(declarator_address, trusted_address, subject, sender_address=sender_address)
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r = rpc.do(o)
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declarations = declarator.parse_declaration(r)
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logg.debug('comparing proof {} with declarations for {} by {}: {}'.format(proof, subject, trusted_address, declarations))
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for declaration in declarations:
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declaration = strip_0x(declaration)
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if declaration == proof:
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logg.debug('have token proof {} match for trusted address {}'.format(declaration, trusted_address))
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have_proofs[proof].append(trusted_address)
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out_proofs = {}
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for proof in have_proofs.keys():
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if len(have_proofs[proof]) == 0:
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logg.error('missing signer for proof {} subject {}'.format(proof, subject))
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raise TrustError((subject, proof,))
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out_proofs[proof] = have_proofs[proof]
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return (chained_input, out_proofs)
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