feat: esplora client

Cargo.toml

@@ -25,7 +25,7 @@ crate-type = ["cdylib", "rlib"]
 default = []
 esplora = ["bdk_esplora"]
 debug = ["console_error_panic_hook"]
-snap = ["esplora"]
+snap = ["default"]
 
 [dependencies]
 wasm-bindgen = "0.2.95"

src/bitcoin/esplora_client.rs

@@ -0,0 +1,43 @@
+use bdk_core::spk_client::{FullScanRequest as BdkFullScanRequest, SyncRequest as BdkSyncRequest};
+use bdk_esplora::{
+    esplora_client::{AsyncClient, Builder},
+    EsploraAsyncExt,
+};
+use bdk_wallet::KeychainKind;
+use wasm_bindgen::prelude::wasm_bindgen;
+
+use crate::{
+    result::JsResult,
+    types::{FullScanRequest, SyncRequest, Update},
+};
+
+#[wasm_bindgen]
+pub struct EsploraClient {
+    client: AsyncClient,
+}
+
+#[wasm_bindgen]
+impl EsploraClient {
+    #[wasm_bindgen(constructor)]
+    pub fn new(url: &str) -> JsResult<EsploraClient> {
+        let client = Builder::new(url).build_async()?;
+        Ok(EsploraClient { client })
+    }
+
+    pub async fn full_scan(
+        &mut self,
+        request: FullScanRequest,
+        stop_gap: usize,
+        parallel_requests: usize,
+    ) -> JsResult<Update> {
+        let request: BdkFullScanRequest<KeychainKind> = request.into();
+        let result = self.client.full_scan(request, stop_gap, parallel_requests).await?;
+        Ok(result.into())
+    }
+
+    pub async fn sync(&mut 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())
+    }
+}

src/bitcoin/mod.rs

@@ -5,13 +5,13 @@ pub use descriptor::*;
 pub use wallet::*;
 
 #[cfg(feature = "esplora")]
-mod esplora_wallet;
+mod esplora_client;
 
 #[cfg(feature = "snap")]
 mod snap_wallet;
 
 #[cfg(feature = "esplora")]
-pub use esplora_wallet::EsploraWallet;
+pub use esplora_client::EsploraClient;
 
 #[cfg(feature = "snap")]
 pub use snap_wallet::SnapWallet;