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Update specs/light_client/merkle_proofs.md

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vbuterin 2019-08-01 11:40:40 -04:00 committed by GitHub
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specs/light_client/merkle_proofs.md
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@ -120,7 +120,7 @@ def get_generalized_index(typ: Type, path: List[Union[int, str]]) -> Generalized
for p in path: for p in path:
assert not issubclass(typ, BasicValue) # If we descend to a basic type, the path cannot continue further assert not issubclass(typ, BasicValue) # If we descend to a basic type, the path cannot continue further
if p == '__len__': if p == '__len__':
typ, root = uint256, root * 2 + 1 if issubclass(typ, (List, Bytes)) else None typ, root = uint64, root * 2 + 1 if issubclass(typ, (List, Bytes)) else None
else: else:
pos, _, _ = get_item_position(typ, p) pos, _, _ = get_item_position(typ, p)
root = root * (2 if issubclass(typ, (List, Bytes)) else 1) * next_power_of_two(chunk_count(typ)) + pos root = root * (2 if issubclass(typ, (List, Bytes)) else 1) * next_power_of_two(chunk_count(typ)) + pos