brk: first commit

_src/parser/datasets/subs/utxo.rs

@@ -0,0 +1,70 @@
+use allocative::Allocative;
+use struct_iterable::Iterable;
+
+use crate::{
+    parser::{
+        datasets::{AnyDataset, InsertData, MinInitialStates},
+        states::UTXOState,
+    },
+    structs::{BiMap, Config, MapKind, MapPath},
+};
+
+#[derive(Allocative, Iterable)]
+pub struct UTXOSubDataset {
+    min_initial_states: MinInitialStates,
+
+    count: BiMap<f64>,
+}
+
+impl UTXOSubDataset {
+    pub fn import(
+        path: &MapPath,
+        name: &Option<String>,
+        config: &Config,
+    ) -> color_eyre::Result<Self> {
+        let f = |s: &str| {
+            if let Some(name) = name {
+                path.join(&format!("{name}/{s}"))
+            } else {
+                path.join(s)
+            }
+        };
+
+        let mut s = Self {
+            min_initial_states: MinInitialStates::default(),
+
+            // ---
+            // Inserted
+            // ---
+            count: BiMap::new_bin(1, MapKind::Inserted, &f("utxo_count")),
+        };
+
+        s.min_initial_states
+            .consume(MinInitialStates::compute_from_dataset(&s, config));
+
+        Ok(s)
+    }
+
+    pub fn insert(
+        &mut self,
+        &InsertData {
+            height,
+            is_date_last_block,
+            date,
+            ..
+        }: &InsertData,
+        state: &UTXOState,
+    ) {
+        let count = self.count.height.insert(height, state.count());
+
+        if is_date_last_block {
+            self.count.date.insert(date, count);
+        }
+    }
+}
+
+impl AnyDataset for UTXOSubDataset {
+    fn get_min_initial_states(&self) -> &MinInitialStates {
+        &self.min_initial_states
+    }
+}