19 lines
593 B
Python
19 lines
593 B
Python
# standard imports
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import hashlib
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# external imports
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from chainlib.eth.constant import ZERO_ADDRESS
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# local imports
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from cic_contracts.accounts_index import CICAccountsIndex
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from cic_contracts.registry import CICRegistry
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class CICTokenIndex(CICRegistry, CICAccountsIndex):
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def address_of(self, contract_address, identifier_string, sender_address=ZERO_ADDRESS):
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h = hashlib.sha256()
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h.update(identifier_string.encode('utf-8'))
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z = h.digest()
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return super(CICTokenIndex, self).address_of_literal(contract_address, z.hex(), sender_address=sender_address)
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