diff --git a/tests/test_get_puzzle_and_solution.py b/tests/test_get_puzzle_and_solution.py
index fa557ebc9..5b5bf81b7 100644
--- a/tests/test_get_puzzle_and_solution.py
+++ b/tests/test_get_puzzle_and_solution.py
@@ -102,7 +102,7 @@ def test_get_puzzle_and_solution_for_coin(input_file: str) -> None:
                 assert arg.pair is not None
                 amount = arg.pair[0].atom
                 assert amount is not None
-                addition = (ph, int.from_bytes(amount, byteorder="big"))
+                addition = (bytes32(ph), int.from_bytes(amount, byteorder="big"))
                 assert addition in expected_additions
                 expected_additions.remove(addition)
 
diff --git a/tests/test_streamable.py b/tests/test_streamable.py
index e0940ce19..798e1787f 100644
--- a/tests/test_streamable.py
+++ b/tests/test_streamable.py
@@ -17,10 +17,10 @@
 sk = AugSchemeMPL.key_gen(bytes32.random(rng))
 pk = sk.get_g1()
 
-coin = b"bcbcbcbcbcbcbcbcbcbcbcbcbcbcbcbc"
-parent = b"edededededededededededededededed"
-ph = b"abababababababababababababababab"
-ph2 = b"cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd"
+coin = bytes32(b"bcbcbcbcbcbcbcbcbcbcbcbcbcbcbcbc")
+parent = bytes32(b"edededededededededededededededed")
+ph = bytes32(b"abababababababababababababababab")
+ph2 = bytes32(b"cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd")
 
 
 def test_hash_spend() -> None:
diff --git a/wheel/generate_type_stubs.py b/wheel/generate_type_stubs.py
index 967aeb067..8b4ecb7b3 100644
--- a/wheel/generate_type_stubs.py
+++ b/wheel/generate_type_stubs.py
@@ -538,9 +538,9 @@ def make_v2(s: int) -> PlotSize: ...
         file,
         "SpendConditions",
         [
-            "coin_id: bytes",
-            "parent_id: bytes",
-            "puzzle_hash: bytes",
+            "coin_id: bytes32",
+            "parent_id: bytes32",
+            "puzzle_hash: bytes32",
             "coin_amount: int",
             "height_relative: Optional[int]",
             "seconds_relative: Optional[int]",
@@ -548,7 +548,7 @@ def make_v2(s: int) -> PlotSize: ...
             "before_seconds_relative: Optional[int]",
             "birth_height: Optional[int]",
             "birth_seconds: Optional[int]",
-            "create_coin: list[tuple[bytes, int, Optional[bytes]]]",
+            "create_coin: list[tuple[bytes32, int, Optional[bytes]]]",
             "agg_sig_me: list[tuple[G1Element, bytes]]",
             "agg_sig_parent: list[tuple[G1Element, bytes]]",
             "agg_sig_puzzle: list[tuple[G1Element, bytes]]",
diff --git a/wheel/python/chia_rs/chia_rs.pyi b/wheel/python/chia_rs/chia_rs.pyi
index f8cf9e73a..e3c9b211f 100644
--- a/wheel/python/chia_rs/chia_rs.pyi
+++ b/wheel/python/chia_rs/chia_rs.pyi
@@ -318,9 +318,9 @@ class PrivateKey:
 
 @final
 class SpendConditions:
-    coin_id: bytes
-    parent_id: bytes
-    puzzle_hash: bytes
+    coin_id: bytes32
+    parent_id: bytes32
+    puzzle_hash: bytes32
     coin_amount: int
     height_relative: Optional[int]
     seconds_relative: Optional[int]
@@ -328,7 +328,7 @@ class SpendConditions:
     before_seconds_relative: Optional[int]
     birth_height: Optional[int]
     birth_seconds: Optional[int]
-    create_coin: list[tuple[bytes, int, Optional[bytes]]]
+    create_coin: list[tuple[bytes32, int, Optional[bytes]]]
     agg_sig_me: list[tuple[G1Element, bytes]]
     agg_sig_parent: list[tuple[G1Element, bytes]]
     agg_sig_puzzle: list[tuple[G1Element, bytes]]
@@ -351,7 +351,7 @@ class SpendConditions:
         before_seconds_relative: Optional[int],
         birth_height: Optional[int],
         birth_seconds: Optional[int],
-        create_coin: Sequence[tuple[bytes, int, Optional[bytes]]],
+        create_coin: Sequence[tuple[bytes32, int, Optional[bytes]]],
         agg_sig_me: Sequence[tuple[G1Element, bytes]],
         agg_sig_parent: Sequence[tuple[G1Element, bytes]],
         agg_sig_puzzle: Sequence[tuple[G1Element, bytes]],
@@ -380,9 +380,9 @@ class SpendConditions:
     def to_json_dict(self) -> dict[str, Any]: ...
     @classmethod
     def from_json_dict(cls, json_dict: dict[str, Any]) -> Self: ...
-    def replace(self, *, coin_id: Union[ bytes, _Unspec] = _Unspec(),
-        parent_id: Union[ bytes, _Unspec] = _Unspec(),
-        puzzle_hash: Union[ bytes, _Unspec] = _Unspec(),
+    def replace(self, *, coin_id: Union[ bytes32, _Unspec] = _Unspec(),
+        parent_id: Union[ bytes32, _Unspec] = _Unspec(),
+        puzzle_hash: Union[ bytes32, _Unspec] = _Unspec(),
         coin_amount: Union[ int, _Unspec] = _Unspec(),
         height_relative: Union[ Optional[int], _Unspec] = _Unspec(),
         seconds_relative: Union[ Optional[int], _Unspec] = _Unspec(),
@@ -390,7 +390,7 @@ class SpendConditions:
         before_seconds_relative: Union[ Optional[int], _Unspec] = _Unspec(),
         birth_height: Union[ Optional[int], _Unspec] = _Unspec(),
         birth_seconds: Union[ Optional[int], _Unspec] = _Unspec(),
-        create_coin: Union[ list[tuple[bytes, int, Optional[bytes]]], _Unspec] = _Unspec(),
+        create_coin: Union[ list[tuple[bytes32, int, Optional[bytes]]], _Unspec] = _Unspec(),
         agg_sig_me: Union[ list[tuple[G1Element, bytes]], _Unspec] = _Unspec(),
         agg_sig_parent: Union[ list[tuple[G1Element, bytes]], _Unspec] = _Unspec(),
         agg_sig_puzzle: Union[ list[tuple[G1Element, bytes]], _Unspec] = _Unspec(),