fix: mutable borrow esplora client (MetaMask#69)

Author: darioAnongba

Cargo.toml

@@ -65,4 +65,4 @@ panic = "abort"
 strip = true
 
 [package.metadata.wasm-pack.profile.release]
-wasm-opt = ["-Oz", "--enable-bulk-memory"]
+wasm-opt = ["-Oz", "--enable-bulk-memory", "--enable-nontrapping-float-to-int"]

src/bitcoin/esplora_client.rs

@@ -33,7 +33,7 @@ impl EsploraClient {
     }
 
     pub async fn full_scan(
-        &mut self,
+        &self,
         request: FullScanRequest,
         stop_gap: usize,
         parallel_requests: usize,
@@ -43,7 +43,7 @@ impl EsploraClient {
         Ok(result.into())
     }
 
-    pub async fn sync(&mut self, request: SyncRequest, parallel_requests: usize) -> JsResult<Update> {
+    pub async fn sync(&self, request: SyncRequest, parallel_requests: usize) -> JsResult<Update> {
         let request: BdkSyncRequest<(KeychainKind, u32)> = request.into();
         let result = self.client.sync(request, parallel_requests).await?;
         Ok(result.into())

tests/browser.rs

@@ -23,7 +23,7 @@ async fn test_browser() {
         "wpkh(tprv8ZgxMBicQKsPe2qpAuh1K1Hig72LCoP4JgNxZM2ZRWHZYnpuw5oHoGBsQm7Qb8mLgPpRJVn3hceWgGQRNbPD6x1pp2Qme2YFRAPeYh7vmvE/84'/1'/0'/0/*)#a6kgzlgq".into(),
          "wpkh(tprv8ZgxMBicQKsPe2qpAuh1K1Hig72LCoP4JgNxZM2ZRWHZYnpuw5oHoGBsQm7Qb8mLgPpRJVn3hceWgGQRNbPD6x1pp2Qme2YFRAPeYh7vmvE/84'/1'/0'/1/*)#vwnfl2cc".into(),
     ).expect("wallet");
-    let mut blockchain_client = EsploraClient::new("https://mutinynet.com/api").expect("esplora_client");
+    let blockchain_client = EsploraClient::new("https://mutinynet.com/api").expect("esplora_client");
 
     let block_height = wallet.latest_checkpoint().height();
     assert_eq!(block_height, 0);