Update README, build.sh and test.sh, rust fmt

src/lib.rs

@@ -1,16 +1,9 @@
-use bdk::Wallet;
-use bdk::wallet::AddressIndex;
-use bdk::database::MemoryDatabase;
 use bdk::bitcoin::Network;
-// use crate::error::FfiError;
-use std::sync::{RwLock, Mutex};
-use std::vec::Vec;
-use bdk::database::BatchDatabase;
 use bdk::sled;
 use bdk::sled::Tree;
-//mod error;
-//mod types;
-//mod wallet;
+use bdk::wallet::AddressIndex;
+use bdk::Wallet;
+use std::sync::Mutex;
 
 uniffi_macros::include_scaffolding!("bdk");
 
@@ -24,25 +17,19 @@ impl OfflineWallet {
         let database = sled::open("testdb").unwrap();
         let tree = database.open_tree("test").unwrap();
 
-        let wallet = Wallet::new_offline(
-            &descriptor,
-            None,
-            Network::Regtest,
-            tree,
-        ).unwrap();
+        let wallet = Wallet::new_offline(&descriptor, None, Network::Regtest, tree).unwrap();
 
         OfflineWallet {
-            wallet: Mutex::new(wallet)
+            wallet: Mutex::new(wallet),
         }
 
-//        OfflineWallet {
-//            wallet: RwLock::new(Vec::new())
-//        }
+        //        OfflineWallet {
+        //            wallet: RwLock::new(Vec::new())
+        //        }
     }
 
     fn get_new_address(&self) -> String {
-        self
-            .wallet
+        self.wallet
             .lock()
             .unwrap()
             .get_address(AddressIndex::New)
@@ -53,5 +40,3 @@ impl OfflineWallet {
 }
 
 uniffi::deps::static_assertions::assert_impl_all!(OfflineWallet: Sync, Send);
-
-