add

ccxt/static_dependencies/starknet/hash/storage.py

@@ -0,0 +1,12 @@
+from functools import reduce
+
+from constants import ADDR_BOUND
+from hash.utils import _starknet_keccak, pedersen_hash
+
+
+def get_storage_var_address(var_name: str, *args: int) -> int:
+    """
+    Returns the storage address of a Starknet storage variable given its name and arguments.
+    """
+    res = _starknet_keccak(var_name.encode("ascii"))
+    return reduce(pedersen_hash, args, res) % ADDR_BOUND