brk: first commit

_src/parser/datasets/address/all_metadata.rs

@@ -0,0 +1,74 @@
+use allocative::Allocative;
+use struct_iterable::Iterable;
+
+use crate::{
+    parser::datasets::{AnyDataset, ComputeData, InsertData, MinInitialStates},
+    structs::{BiMap, Config, MapKind, MapPath},
+};
+
+#[derive(Allocative, Iterable)]
+pub struct AllAddressesMetadataDataset {
+    min_initial_states: MinInitialStates,
+    created_addreses: BiMap<u32>,
+    empty_addresses: BiMap<u32>,
+    new_addresses: BiMap<u32>,
+}
+
+impl AllAddressesMetadataDataset {
+    pub fn import(path: &MapPath, config: &Config) -> color_eyre::Result<Self> {
+        let f = |s: &str| path.join(s);
+
+        let mut s = Self {
+            min_initial_states: MinInitialStates::default(),
+
+            // Inserted
+            created_addreses: BiMap::new_bin(1, MapKind::Inserted, &f("created_addresses")),
+            empty_addresses: BiMap::new_bin(1, MapKind::Inserted, &f("empty_addresses")),
+
+            // Computed
+            new_addresses: BiMap::new_bin(1, MapKind::Computed, &f("new_addresses")),
+        };
+
+        s.min_initial_states
+            .consume(MinInitialStates::compute_from_dataset(&s, config));
+
+        Ok(s)
+    }
+
+    pub fn insert(&mut self, insert_data: &InsertData) {
+        let &InsertData {
+            databases,
+            height,
+            date,
+            is_date_last_block,
+            ..
+        } = insert_data;
+
+        let created_addresses = self
+            .created_addreses
+            .height
+            .insert(height, *databases.address_to_address_index.metadata.len);
+
+        let empty_addresses = self.empty_addresses.height.insert(
+            height,
+            *databases.address_index_to_empty_address_data.metadata.len,
+        );
+
+        if is_date_last_block {
+            self.created_addreses.date.insert(date, created_addresses);
+
+            self.empty_addresses.date.insert(date, empty_addresses);
+        }
+    }
+
+    pub fn compute(&mut self, &ComputeData { heights, dates, .. }: &ComputeData) {
+        self.new_addresses
+            .multi_insert_net_change(heights, dates, &mut self.created_addreses, 1)
+    }
+}
+
+impl AnyDataset for AllAddressesMetadataDataset {
+    fn get_min_initial_states(&self) -> &MinInitialStates {
+        &self.min_initial_states
+    }
+}