+ let mut client = if let Some(client) = self.client.lock().unwrap().take() { client }
+ else { HttpClient::connect(&self.endpoint)? };
+ let res = client.get::<F>(&uri, &host).await?.try_into();
+ *self.client.lock().unwrap() = Some(client);
+ res
+ }
+}
+
+impl BlockSource for RestClient {
+ fn get_header<'a>(&'a self, header_hash: &'a BlockHash, _height: Option<u32>) -> AsyncBlockSourceResult<'a, BlockHeaderData> {
+ Box::pin(async move {
+ let resource_path = format!("headers/1/{}.json", header_hash.to_string());
+ Ok(self.request_resource::<JsonResponse, _>(&resource_path).await?)
+ })
+ }
+
+ fn get_block<'a>(&'a self, header_hash: &'a BlockHash) -> AsyncBlockSourceResult<'a, BlockData> {
+ Box::pin(async move {
+ let resource_path = format!("block/{}.bin", header_hash.to_string());
+ Ok(BlockData::FullBlock(self.request_resource::<BinaryResponse, _>(&resource_path).await?))
+ })
+ }
+
+ fn get_best_block<'a>(&'a self) -> AsyncBlockSourceResult<'a, (BlockHash, Option<u32>)> {
+ Box::pin(async move {
+ Ok(self.request_resource::<JsonResponse, _>("chaininfo.json").await?)
+ })
+ }
+}
+
+impl UtxoSource for RestClient {
+ fn get_block_hash_by_height<'a>(&'a self, block_height: u32) -> AsyncBlockSourceResult<'a, BlockHash> {
+ Box::pin(async move {
+ let resource_path = format!("blockhashbyheight/{}.bin", block_height);
+ Ok(self.request_resource::<BinaryResponse, _>(&resource_path).await?)
+ })
+ }
+
+ fn is_output_unspent<'a>(&'a self, outpoint: OutPoint) -> AsyncBlockSourceResult<'a, bool> {
+ Box::pin(async move {
+ let resource_path = format!("getutxos/{}-{}.json", outpoint.txid.to_string(), outpoint.vout);
+ let utxo_result =
+ self.request_resource::<JsonResponse, GetUtxosResponse>(&resource_path).await?;
+ Ok(utxo_result.hit_bitmap_nonempty)
+ })