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use rust types for RecentChainData, ProofBlockHeader and WeightProof #17738

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Apr 3, 2024
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use rust types for RecentChainData, ProofBlockHeader and WeightProof #17738

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47 changes: 4 additions & 43 deletions chia/types/weight_proof.py
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Original file line number Diff line number Diff line change
@@ -1,50 +1,11 @@
from __future__ import annotations

from dataclasses import dataclass
from typing import List

import chia_rs

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


ProofBlockHeader = chia_rs.ProofBlockHeader
RecentChainData = chia_rs.RecentChainData
SubEpochChallengeSegment = chia_rs.SubEpochChallengeSegment
SubEpochData = chia_rs.SubEpochData
SubEpochSegments = chia_rs.SubEpochSegments
SubSlotData = chia_rs.SubSlotData


@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]
WeightProof = chia_rs.WeightProof
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