rename NULL_TREEHASH -> NIL_TREEHASH

chia/rpc/wallet_rpc_api.py

@@ -110,7 +110,7 @@
 from chia.wallet.util.address_type import AddressType, is_valid_address
 from chia.wallet.util.compute_hints import compute_spend_hints_and_additions
 from chia.wallet.util.compute_memos import compute_memos
-from chia.wallet.util.curry_and_treehash import NULL_TREEHASH
+from chia.wallet.util.curry_and_treehash import NIL_TREEHASH
 from chia.wallet.util.query_filter import HashFilter, TransactionTypeFilter
 from chia.wallet.util.transaction_type import CLAWBACK_INCOMING_TRANSACTION_TYPES, TransactionType
 from chia.wallet.util.tx_config import DEFAULT_TX_CONFIG, CoinSelectionConfig, CoinSelectionConfigLoader, TXConfig
@@ -2333,7 +2333,7 @@ async def did_find_lost_did(self, request: Dict[str, Any]) -> EndpointResult:
             )
             full_puzzle = create_singleton_puzzle(did_puzzle, launcher_id)
             did_puzzle_empty_recovery = DID_INNERPUZ_MOD.curry(
-                our_inner_puzzle, NULL_TREEHASH, uint64(0), singleton_struct, metadata
+                our_inner_puzzle, NIL_TREEHASH, uint64(0), singleton_struct, metadata
             )
             # Check if we have the DID wallet
             did_wallet: Optional[DIDWallet] = None
@@ -2423,7 +2423,7 @@ async def did_find_lost_did(self, request: Dict[str, Any]) -> EndpointResult:
                     inner_solution: Program = full_solution.rest().rest().first()
                     recovery_list: List[bytes32] = []
                     backup_required: int = num_verification.as_int()
-                    if recovery_list_hash != NULL_TREEHASH:
+                    if recovery_list_hash != NIL_TREEHASH:
                         try:
                             for did in inner_solution.rest().rest().rest().rest().rest().as_python():
                                 recovery_list.append(did[0])

chia/wallet/did_wallet/did_wallet.py

@@ -46,7 +46,7 @@
 from chia.wallet.transaction_record import TransactionRecord
 from chia.wallet.uncurried_puzzle import uncurry_puzzle
 from chia.wallet.util.compute_memos import compute_memos
-from chia.wallet.util.curry_and_treehash import NULL_TREEHASH, shatree_int, shatree_pair
+from chia.wallet.util.curry_and_treehash import NIL_TREEHASH, shatree_int, shatree_pair
 from chia.wallet.util.transaction_type import TransactionType
 from chia.wallet.util.tx_config import DEFAULT_TX_CONFIG, CoinSelectionConfig, TXConfig
 from chia.wallet.util.wallet_sync_utils import fetch_coin_spend, fetch_coin_spend_for_coin_state
@@ -228,7 +228,7 @@ async def create_new_did_wallet_from_coin_spend(
         inner_solution: Program = full_solution.rest().rest().first()
         recovery_list: List[bytes32] = []
         backup_required: int = num_verification.as_int()
-        if recovery_list_hash != NULL_TREEHASH:
+        if recovery_list_hash != NIL_TREEHASH:
             try:
                 for did in inner_solution.rest().rest().rest().rest().rest().as_python():
                     recovery_list.append(bytes32(did[0]))
@@ -531,7 +531,7 @@ def puzzle_hash_for_pk(self, pubkey: G1Element) -> bytes32:
         if self.did_info.origin_coin is None:
             # TODO: this seem dumb. Why bother with this case? Is it ever used?
             # inner puzzle: (8 . 0)
-            innerpuz_hash = shatree_pair(shatree_int(8), NULL_TREEHASH)
+            innerpuz_hash = shatree_pair(shatree_int(8), NIL_TREEHASH)
             return create_singleton_puzzle_hash(innerpuz_hash, bytes32([0] * 32))
         origin_coin_name = self.did_info.origin_coin.name()
         innerpuz_hash = did_wallet_puzzles.get_inner_puzhash_by_p2(

chia/wallet/util/curry_and_treehash.py

@@ -37,11 +37,11 @@ def shatree_pair(left_hash: bytes32, right_hash: bytes32) -> bytes32:
 A_KW_TREEHASH = shatree_atom(A_KW)
 C_KW_TREEHASH = shatree_atom(C_KW)
 ONE_TREEHASH = shatree_atom(ONE)
-NULL_TREEHASH = shatree_atom(NULL)
+NIL_TREEHASH = shatree_atom(NULL)
 
 
 def shatree_atom_list(li: Sequence[bytes]) -> bytes32:
-    ret = NULL_TREEHASH
+    ret = NIL_TREEHASH
     for item in reversed(li):
         ret = shatree_pair(shatree_atom(item), ret)
     return ret
@@ -64,7 +64,7 @@ def curried_values_tree_hash(arguments: List[bytes32]) -> bytes32:
         C_KW_TREEHASH,
         shatree_pair(
             shatree_pair(Q_KW_TREEHASH, arguments[0]),
-            shatree_pair(curried_values_tree_hash(arguments[1:]), NULL_TREEHASH),
+            shatree_pair(curried_values_tree_hash(arguments[1:]), NIL_TREEHASH),
         ),
     )
 
@@ -82,7 +82,7 @@ def curry_and_treehash(hash_of_quoted_mod_hash: bytes32, *hashed_arguments: byte
     curried_values = curried_values_tree_hash(list(hashed_arguments))
     return shatree_pair(
         A_KW_TREEHASH,
-        shatree_pair(hash_of_quoted_mod_hash, shatree_pair(curried_values, NULL_TREEHASH)),
+        shatree_pair(hash_of_quoted_mod_hash, shatree_pair(curried_values, NIL_TREEHASH)),
     )
 
 

chia/wallet/wallet_state_manager.py

@@ -127,7 +127,7 @@
 from chia.wallet.util.address_type import AddressType
 from chia.wallet.util.compute_hints import compute_spend_hints_and_additions
 from chia.wallet.util.compute_memos import compute_memos
-from chia.wallet.util.curry_and_treehash import NULL_TREEHASH
+from chia.wallet.util.curry_and_treehash import NIL_TREEHASH
 from chia.wallet.util.puzzle_decorator import PuzzleDecoratorManager
 from chia.wallet.util.query_filter import HashFilter
 from chia.wallet.util.transaction_type import CLAWBACK_INCOMING_TRANSACTION_TYPES, TransactionType
@@ -1255,7 +1255,7 @@ async def handle_did(
             full_puzzle = create_singleton_puzzle(did_puzzle, launch_id)
             did_puzzle_empty_recovery = DID_INNERPUZ_MOD.curry(
                 our_inner_puzzle,
-                NULL_TREEHASH,
+                NIL_TREEHASH,
                 uint64(0),
                 parent_data.singleton_struct,
                 parent_data.metadata,