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Add backwards check

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This commit is contained in:
Yoni 2019-01-12 20:17:46 +02:00
parent 383d35950e
commit c70f5caf03
1 changed files with 7 additions and 1 deletions
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8
store/src/pmmr.rs
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@ -193,7 +193,13 @@ impl<T: PMMRable> PMMRBackend<T> {
data_dir.join(PMMR_LEAF_FILE).to_str().unwrap(),
header.hash()
);
LeafSet::copy_snapshot(&leaf_set_path, &PathBuf::from(leaf_snapshot_path))?;
// Check for a ... (3 dot) ending version of the file - could probably be removed after mainnet
let compaitble_snapshot_path = PathBuf::from(leaf_snapshot_path.clone() + "...");
if compaitble_snapshot_path.exists() {
LeafSet::copy_snapshot(&leaf_set_path, &compaitble_snapshot_path)?;
} else {
LeafSet::copy_snapshot(&leaf_set_path, &PathBuf::from(leaf_snapshot_path))?;
}
}
let leaf_set = LeafSet::open(&leaf_set_path)?;