diff --git a/chia/types/weight_proof.py b/chia/types/weight_proof.py
index 2670b17f5e9d..6c2b17e7aee0 100644
--- a/chia/types/weight_proof.py
+++ b/chia/types/weight_proof.py
@@ -1,11 +1,50 @@
 from __future__ import annotations
 
+from dataclasses import dataclass
+from typing import List
+
 import chia_rs
 
-ProofBlockHeader = chia_rs.ProofBlockHeader
-RecentChainData = chia_rs.RecentChainData
-SubEpochChallengeSegment = chia_rs.SubEpochChallengeSegment
+from chia.types.blockchain_format.reward_chain_block import RewardChainBlock
+from chia.types.end_of_slot_bundle import EndOfSubSlotBundle
+from chia.types.header_block import HeaderBlock
+from chia.util.streamable import Streamable, streamable
+
 SubEpochData = chia_rs.SubEpochData
+
+# number of challenge blocks
+# Average iters for challenge blocks
+# |--A-R----R-------R--------R------R----R----------R-----R--R---|       Honest difficulty 1000
+#           0.16
+
+#  compute total reward chain blocks
+# |----------------------------A---------------------------------|       Attackers chain 1000
+#                            0.48
+# total number of challenge blocks == total number of reward chain blocks
+
+
+SubEpochChallengeSegment = chia_rs.SubEpochChallengeSegment
 SubEpochSegments = chia_rs.SubEpochSegments
 SubSlotData = chia_rs.SubSlotData
-WeightProof = chia_rs.WeightProof
+
+
+@streamable
+@dataclass(frozen=True)
+# this is used only for serialization to database
+class RecentChainData(Streamable):
+    recent_chain_data: List[HeaderBlock]
+
+
+@streamable
+@dataclass(frozen=True)
+class ProofBlockHeader(Streamable):
+    finished_sub_slots: List[EndOfSubSlotBundle]
+    reward_chain_block: RewardChainBlock
+
+
+@streamable
+@dataclass(frozen=True)
+class WeightProof(Streamable):
+    sub_epochs: List[SubEpochData]
+    sub_epoch_segments: List[SubEpochChallengeSegment]  # sampled sub epoch
+    recent_chain_data: List[HeaderBlock]