crypto: Restore the account if we're using the sqlite store.

src/crypto/machine.rs

@@ -89,20 +89,21 @@ impl OlmMachine {
         path: P,
         passphrase: String,
     ) -> Result<Self> {
+        let mut store =
+            SqliteStore::open_with_passphrase(&user_id.to_string(), device_id, path, passphrase)
+                .await?;
+
+        let account = match store.load_account().await? {
+            Some(a) => a,
+            None => Account::new(),
+        };
+
         Ok(OlmMachine {
             user_id: user_id.clone(),
             device_id: device_id.to_owned(),
-            account: Arc::new(Mutex::new(Account::new())),
+            account: Arc::new(Mutex::new(account)),
             uploaded_signed_key_count: None,
-            store: Box::new(
-                SqliteStore::open_with_passphrase(
-                    &user_id.to_string(),
-                    device_id,
-                    path,
-                    passphrase,
-                )
-                .await?,
-            ),
+            store: Box::new(store),
         })
     }
 

src/crypto/store/sqlite.rs

@@ -19,16 +19,6 @@ pub struct SqliteStore {
     pickle_passphrase: Option<Zeroizing<String>>,
 }
 
-impl std::fmt::Debug for SqliteStore {
-    fn fmt(&self, fmt: &mut std::fmt::Formatter<'_>) -> StdResult<(), std::fmt::Error> {
-        write!(
-            fmt,
-            "SqliteStore {{ user_id: {}, device_id: {}, path: {:?} }}",
-            self.user_id, self.device_id, self.path
-        )
-    }
-}
-
 static DATABASE_NAME: &str = "matrix-sdk-crypto.db";
 
 impl SqliteStore {
@@ -166,6 +156,16 @@ impl CryptoStore for SqliteStore {
     }
 }
 
+impl std::fmt::Debug for SqliteStore {
+    fn fmt(&self, fmt: &mut std::fmt::Formatter<'_>) -> StdResult<(), std::fmt::Error> {
+        write!(
+            fmt,
+            "SqliteStore {{ user_id: {}, device_id: {}, path: {:?} }}",
+            self.user_id, self.device_id, self.path
+        )
+    }
+}
+
 #[cfg(test)]
 mod test {
     use std::sync::Arc;