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Use the correct validated state on restart #1482

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merged 1 commit into from
May 17, 2024
Merged

Use the correct validated state on restart #1482

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10 changes: 9 additions & 1 deletion sequencer/src/persistence.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -140,7 +140,14 @@ pub trait SequencerPersistence: Sized + Send + Sync + 'static {
(Leaf::genesis(&state), QuorumCertificate::genesis(&state))
}
};
let validated_state = Some(Arc::new(ValidatedState::genesis(&state).0));
let validated_state = if leaf.get_block_header().height == 0 {
// If we are starting from genesis, we can provide the full state.
Some(Arc::new(ValidatedState::genesis(&state).0))
} else {
// Otherwise, we will have to construct a sparse state and fetch missing data during
// catchup.
None
};

// If we are not starting from genesis, we start from the view following the maximum view
// between `highest_voted_view` and `leaf.view_number`. This prevents double votes from
Expand All @@ -161,6 +168,7 @@ pub trait SequencerPersistence: Sized + Send + Sync + 'static {
?leaf,
?view,
?high_qc,
?validated_state,
?undecided_leaves,
?undecided_state,
"loaded consensus state"
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