Wasm utxo return address (#704)

* fix wasm builds

* generate wasm binding to support GetUtxoReturnAddress RPC request

Author: biryukovmaxim

rpc/core/src/wasm/message.rs

@@ -1727,4 +1727,41 @@ try_from!( args: GetFeeEstimateExperimentalResponse, IGetFeeEstimateExperimental
     Ok(response)
 });
 
+declare! {
+    IGetUtxoReturnAddressRequest,
+    r#"
+    /**
+     *
+     *
+     * @category Node RPC
+     */
+    export interface IGetUtxoReturnAddressRequest {
+        txid: HexString;
+        acceptingBlockDaaScore: bigint;
+    }
+    "#,
+}
+
+try_from!(args: IGetUtxoReturnAddressRequest, GetUtxoReturnAddressRequest, {
+   Ok(from_value(args.into())?)
+});
+
+declare! {
+    IGetUtxoReturnAddressResponse,
+    r#"
+    /**
+     *
+     *
+     * @category Node RPC
+     */
+    export interface IGetUtxoReturnAddressResponse {
+        returnAddress: Address;
+    }
+    "#,
+}
+
+try_from!(args: GetUtxoReturnAddressResponse, IGetUtxoReturnAddressResponse, {
+    Ok(to_value(&args)?.into())
+});
+
 // ---

rpc/wrpc/wasm/src/client.rs

@@ -1055,5 +1055,7 @@ build_wrpc_wasm_bindgen_interface!(
         /// to the Kaspa node again.
         /// Returned information: None.
         Unban,
+        /// Get UTXO Return Addresses.
+        GetUtxoReturnAddress
     ]
 );

wasm/examples/nodejs/javascript/general/rpc.js

@@ -30,6 +30,9 @@ const {
     const info = await rpc.getBlockDagInfo();
     console.log("GetBlockDagInfo response:", info);
 
+    // const address = await rpc.getUtxoReturnAddress({txid: "a1f9a403e3c82e9b6dc7436682878262133ff0dd3fbc2d63c5f1973f79fa2b4e", acceptingBlockDaaScore: 165553103n})
+    // console.log("getUtxoReturnAddress response:", address);
+
     await rpc.disconnect();
     console.log("bye!");
 })();