feat(wallet): SQLite database.

Author: jaoleal

Cargo.lock

@@ -956,9 +956,8 @@ mod test {
         headers
     }
 
-    fn get_test_cache() -> Arc<AddressCache<KvDatabase>> {
-        let test_id: u32 = rand::random();
-        let cache = KvDatabase::new(format!("./tmp-db/{test_id}.floresta")).unwrap();
+    fn get_test_cache() -> Arc<AddressCache<SqliteDatabase>> {
+        let cache = SqliteDatabase::new_ephemeral().unwrap();
         let cache = AddressCache::new(cache);
 
         // Inserting test transactions in the wallet

crates/floresta-electrum/src/electrum_protocol.rs

@@ -716,7 +716,7 @@ impl Florestad {
         })
     }
 
-    fn load_wallet(data_dir: &String) -> Result<AddressCache<KvDatabase>, FlorestadError> {
+    fn load_wallet(data_dir: &str) -> Result<AddressCache<SqliteDatabase>, FlorestadError> {
         let database =
             SqliteDatabase::new(data_dir).map_err(FlorestadError::CouldNotOpenSqLiteDatabase)?;
         Ok(AddressCache::new(database))

crates/floresta-node/src/florestad.rs

@@ -12,9 +12,8 @@ readme.workspace = true # Floresta/README.md
 
 [dependencies]
 bitcoin = { workspace = true, features = ["serde"] }
-kv = { workspace = true }
+rusqlite = { version = "0.38.0", optional = true, features = [ "bundled", "buildtime_bindgen" ] }
 serde = { workspace = true }
-serde_json = { workspace = true, features = ["alloc"] }
 tracing = { workspace = true }
 
 # Local dependencies
@@ -23,10 +22,11 @@ floresta-common = { workspace = true, features = ["descriptors-no-std"] }
 
 [dev-dependencies]
 rand = { workspace = true }
+rusqlite = { version = "0.38.0", features = [ "bundled", "buildtime_bindgen" ] }
 
 [features]
-default = ["std"]
-memory-database = []
+default = ["std", "sqlite"]
+sqlite = ["dep:rusqlite"]
 # The default features in common are `std` and `descriptors-std` (which is a superset of `descriptors-no-std`)
 std = ["floresta-common/default", "serde/std"]