global: big snapshot

crates/brk_computer/src/indexes/difficultyepoch.rs

@@ -0,0 +1,22 @@
+use brk_traversable::Traversable;
+use brk_types::{DifficultyEpoch, Height, StoredU64, Version};
+use vecdb::{Database, EagerVec, ImportableVec, PcoVec};
+
+use brk_error::Result;
+
+#[derive(Clone, Traversable)]
+pub struct Vecs {
+    pub identity: EagerVec<PcoVec<DifficultyEpoch, DifficultyEpoch>>,
+    pub first_height: EagerVec<PcoVec<DifficultyEpoch, Height>>,
+    pub height_count: EagerVec<PcoVec<DifficultyEpoch, StoredU64>>,
+}
+
+impl Vecs {
+    pub fn forced_import(db: &Database, version: Version) -> Result<Self> {
+        Ok(Self {
+            identity: EagerVec::forced_import(db, "difficultyepoch", version)?,
+            first_height: EagerVec::forced_import(db, "difficultyepoch_first_height", version)?,
+            height_count: EagerVec::forced_import(db, "difficultyepoch_height_count", version)?,
+        })
+    }
+}