40 lines
1.3 KiB
Python
40 lines
1.3 KiB
Python
# standard imports
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import logging
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# external imports
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from cic_registry import CICRegistry
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from chainlib.chain import ChainSpec
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from cic_registry.chain import ChainRegistry
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from cic_registry.helper.declarator import DeclaratorOracleAdapter
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logg = logging.getLogger(__name__)
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def safe_registry(w3):
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"""Temporary workaround for enabling thread-safe usage of the CICRegistry.
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"""
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CICRegistry.w3 = w3
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return CICRegistry
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def init_registry(config, w3):
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chain_spec = ChainSpec.from_chain_str(config.get('CIC_CHAIN_SPEC'))
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CICRegistry.init(w3, config.get('CIC_REGISTRY_ADDRESS'), chain_spec)
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CICRegistry.add_path(config.get('ETH_ABI_DIR'))
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chain_registry = ChainRegistry(chain_spec)
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CICRegistry.add_chain_registry(chain_registry, True)
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declarator = CICRegistry.get_contract(chain_spec, 'AddressDeclarator', interface='Declarator')
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trusted_addresses_src = config.get('CIC_TRUST_ADDRESS')
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if trusted_addresses_src == None:
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raise ValueError('At least one trusted address must be declared in CIC_TRUST_ADDRESS')
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trusted_addresses = trusted_addresses_src.split(',')
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for address in trusted_addresses:
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logg.info('using trusted address {}'.format(address))
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oracle = DeclaratorOracleAdapter(declarator.contract, trusted_addresses)
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chain_registry.add_oracle(oracle, 'naive_erc20_oracle')
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return CICRegistry
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