brk: first commit

_src/parser/datasets/subs/supply.rs

@@ -0,0 +1,109 @@
+use allocative::Allocative;
+use struct_iterable::Iterable;
+
+use crate::{
+    parser::{
+        datasets::{AnyDataset, ComputeData, InsertData, MinInitialStates},
+        states::SupplyState,
+    },
+    structs::{BiMap, Config, MapKind, MapPath},
+};
+
+#[derive(Allocative, Iterable)]
+pub struct SupplySubDataset {
+    min_initial_states: MinInitialStates,
+
+    pub supply: BiMap<f64>,
+    pub supply_to_circulating_supply_ratio: BiMap<f64>,
+    pub halved_supply: BiMap<f64>,
+    pub halved_supply_to_circulating_supply_ratio: BiMap<f64>,
+}
+
+impl SupplySubDataset {
+    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
+            // ---
+            supply: BiMap::new_bin(1, MapKind::Inserted, &f("supply")),
+
+            // ---
+            // Computed,
+            // ---
+            supply_to_circulating_supply_ratio: BiMap::new_bin(
+                1,
+                MapKind::Computed,
+                &f("supply_to_circulating_supply_ratio"),
+            ),
+            halved_supply: BiMap::new_bin(1, MapKind::Computed, &f("halved_supply")),
+            halved_supply_to_circulating_supply_ratio: BiMap::new_bin(
+                1,
+                MapKind::Computed,
+                &f("halved_supply_to_circulating_supply_ratio"),
+            ),
+        };
+
+        s.min_initial_states
+            .consume(MinInitialStates::compute_from_dataset(&s, config));
+
+        Ok(s)
+    }
+
+    pub fn insert(
+        &mut self,
+        &InsertData {
+            height,
+            date,
+            is_date_last_block,
+            ..
+        }: &InsertData,
+        state: &SupplyState,
+    ) {
+        let total_supply = self.supply.height.insert(height, state.supply().to_btc());
+
+        if is_date_last_block {
+            self.supply.date.insert(date, total_supply);
+        }
+    }
+
+    #[allow(unused_variables)]
+    pub fn compute(
+        &mut self,
+        &ComputeData { heights, dates, .. }: &ComputeData,
+        circulating_supply: &mut BiMap<f64>,
+    ) {
+        self.supply_to_circulating_supply_ratio
+            .multi_insert_percentage(heights, dates, &mut self.supply, circulating_supply);
+
+        self.halved_supply
+            .multi_insert_simple_transform(heights, dates, &mut self.supply, &|v| v / 2.0);
+
+        self.halved_supply_to_circulating_supply_ratio
+            .multi_insert_simple_transform(
+                heights,
+                dates,
+                &mut self.supply_to_circulating_supply_ratio,
+                &|v| v / 2.0,
+            );
+    }
+}
+
+impl AnyDataset for SupplySubDataset {
+    fn get_min_initial_states(&self) -> &MinInitialStates {
+        &self.min_initial_states
+    }
+}