58 lines
1.8 KiB
Python
58 lines
1.8 KiB
Python
# standard imports
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import logging
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# third-party imports
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import celery
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from chainlib.chain import ChainSpec
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from chainlib.connection import RPCConnection
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from chainlib.eth.constant import ZERO_ADDRESS
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from cic_eth_registry import CICRegistry
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from eth_address_declarator import Declarator
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# local imports
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from cic_eth.task import BaseTask
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celery_app = celery.current_app
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logg = logging.getLogger()
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def translate_address(address, trusted_addresses, chain_spec, sender_address=ZERO_ADDRESS):
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rpc = RPCConnection.connect(chain_spec, 'default')
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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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c = Declarator(chain_spec)
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for trusted_address in trusted_addresses:
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o = c.declaration(declarator_address, trusted_address, address, sender_address=sender_address)
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r = rpc.do(o)
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declaration_hex = Declarator.parse_declaration(r)
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declaration_hex = declaration_hex[0].rstrip('0')
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declaration_bytes = bytes.fromhex(declaration_hex)
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declaration = None
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try:
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declaration = declaration_bytes.decode('utf-8', errors='strict')
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except UnicodeDecodeError:
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continue
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return declaration
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@celery_app.task(bind=True, base=BaseTask)
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def translate_tx_addresses(self, tx, trusted_addresses, chain_spec_dict):
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chain_spec = ChainSpec.from_dict(chain_spec_dict)
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declaration = None
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if tx['sender_label'] == None:
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declaration = translate_address(tx['sender'], trusted_addresses, chain_spec, self.call_address)
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tx['sender_label'] = declaration
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declaration = None
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if tx['recipient_label'] == None:
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declaration = translate_address(tx['recipient'], trusted_addresses, chain_spec, self.call_address)
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tx['recipient_label'] = declaration
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return tx
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