feat(gui): Display progress of monero-wallet-rpc download

src-gui/src/renderer/components/alert/DaemonStatusAlert.tsx

@@ -1,12 +1,22 @@
-import { Button } from "@material-ui/core";
+import { Box, Button, LinearProgress, makeStyles } from "@material-ui/core";
 import { Alert } from "@material-ui/lab";
 import { TauriContextInitializationProgress } from "models/tauriModel";
 import { useNavigate } from "react-router-dom";
 import { useAppSelector } from "store/hooks";
 import { exhaustiveGuard } from "utils/typescriptUtils";
 import { LoadingSpinnerAlert } from "./LoadingSpinnerAlert";
+import { bytesToMb } from "utils/conversionUtils";
+
+const useStyles = makeStyles((theme) => ({
+  innerAlert: {
+    display: "flex",
+    flexDirection: "column",
+    gap: theme.spacing(2),
+  },
+}));
 
 export default function DaemonStatusAlert() {
+  const classes = useStyles();
   const contextStatus = useAppSelector((s) => s.rpc.status);
   const navigate = useNavigate();
 
@@ -16,20 +26,32 @@ export default function DaemonStatusAlert() {
 
   switch (contextStatus.type) {
     case "Initializing":
-      switch (contextStatus.content) {
-        case TauriContextInitializationProgress.OpeningBitcoinWallet:
+      switch (contextStatus.content.type) {
+        case "OpeningBitcoinWallet":
           return (
             <LoadingSpinnerAlert severity="warning">
               Connecting to the Bitcoin network
             </LoadingSpinnerAlert>
           );
-        case TauriContextInitializationProgress.OpeningMoneroWallet:
+        case "DownloadingMoneroWalletRpc":
+          return (
+            <LoadingSpinnerAlert severity="warning">
+              <Box className={classes.innerAlert}>
+                <Box>
+                  Downloading and verifying the Monero wallet RPC (
+                  {bytesToMb(contextStatus.content.content.size).toFixed(2)} MB)
+                </Box>
+                <LinearProgress variant="determinate" value={contextStatus.content.content.progress} />
+              </Box>
+            </LoadingSpinnerAlert >
+          );
+        case "OpeningMoneroWallet":
           return (
             <LoadingSpinnerAlert severity="warning">
               Connecting to the Monero network
             </LoadingSpinnerAlert>
           );
-        case TauriContextInitializationProgress.OpeningDatabase:
+        case "OpeningDatabase":
           return (
             <LoadingSpinnerAlert severity="warning">
               Opening the local database

src-gui/src/utils/conversionUtils.ts

@@ -30,9 +30,8 @@ export function isBtcAddressValid(address: string, testnet: boolean) {
 }
 
 export function getBitcoinTxExplorerUrl(txid: string, testnet: boolean) {
-  return `https://mempool.space/${
-    testnet ? "/testnet" : ""
-  }/tx/${txid}`;
+  return `https://mempool.space/${testnet ? "/testnet" : ""
+    }/tx/${txid}`;
 }
 
 export function getMoneroTxExplorerUrl(txid: string, stagenet: boolean) {
@@ -67,3 +66,7 @@ export function rendezvousSellerToProviderStatus(
     testnet: isTestnet(),
   };
 }
+
+export function bytesToMb(bytes: number): number {
+  return bytes / (1024 * 1024);
+}

swap/src/cli/api.rs

@@ -336,8 +336,13 @@ impl ContextBuilder {
         let (monero_wallet, monero_rpc_process) = {
             if let Some(monero) = self.monero {
                 let monero_daemon_address = monero.apply_defaults(self.is_testnet);
-                let (wlt, prc) =
-                    init_monero_wallet(data_dir.clone(), monero_daemon_address, env_config).await?;
+                let (wlt, prc) = init_monero_wallet(
+                    data_dir.clone(),
+                    monero_daemon_address,
+                    env_config,
+                    self.tauri_handle.clone(),
+                )
+                .await?;
                 (Some(Arc::new(wlt)), Some(Arc::new(SyncMutex::new(prc))))
             } else {
                 (None, None)
@@ -473,12 +478,13 @@ async fn init_monero_wallet(
     data_dir: PathBuf,
     monero_daemon_address: String,
     env_config: EnvConfig,
+    tauri_handle: Option<TauriHandle>,
 ) -> Result<(monero::Wallet, monero::WalletRpcProcess)> {
     let network = env_config.monero_network;
 
     const MONERO_BLOCKCHAIN_MONITORING_WALLET_NAME: &str = "swap-tool-blockchain-monitoring-wallet";
 
-    let monero_wallet_rpc = monero::WalletRpc::new(data_dir.join("monero")).await?;
+    let monero_wallet_rpc = monero::WalletRpc::new(data_dir.join("monero"), tauri_handle).await?;
 
     tracing::debug!(
         address = monero_daemon_address,

swap/src/cli/api/tauri_bindings.rs

@@ -110,8 +110,17 @@ impl TauriEmitter for Option<TauriHandle> {
 
 #[typeshare]
 #[derive(Display, Clone, Serialize)]
+#[serde(tag = "type", content = "content")]
 pub enum TauriContextInitializationProgress {
     OpeningBitcoinWallet,
+    DownloadingMoneroWalletRpc {
+        // Progress of the download in percent (0-100)
+        #[typeshare(serialized_as = "number")]
+        progress: u64,
+        // Size of the download file in bytes
+        #[typeshare(serialized_as = "number")]
+        size: u64,
+    },
     OpeningMoneroWallet,
     OpeningDatabase,
 }

swap/src/monero/wallet_rpc.rs

@@ -21,6 +21,10 @@ use tokio::process::{Child, Command};
 use tokio_util::codec::{BytesCodec, FramedRead};
 use tokio_util::io::StreamReader;
 
+use crate::cli::api::tauri_bindings::{
+    TauriContextInitializationProgress, TauriContextStatusEvent, TauriEmitter, TauriHandle,
+};
+
 // See: https://www.moneroworld.com/#nodes, https://monero.fail
 // We don't need any testnet nodes because we don't support testnet at all
 const MONERO_DAEMONS: Lazy<[MoneroDaemon; 16]> = Lazy::new(|| {
@@ -201,7 +205,10 @@ pub struct WalletRpc {
 }
 
 impl WalletRpc {
-    pub async fn new(working_dir: impl AsRef<Path>) -> Result<WalletRpc> {
+    pub async fn new(
+        working_dir: impl AsRef<Path>,
+        tauri_handle: Option<TauriHandle>,
+    ) -> Result<WalletRpc> {
         let working_dir = working_dir.as_ref();
 
         if !working_dir.exists() {
@@ -255,6 +262,14 @@ impl WalletRpc {
                 "Downloading monero-wallet-rpc",
             );
 
+            // Emit a tauri event to update the progress
+            tauri_handle.emit_context_init_progress_event(TauriContextStatusEvent::Initializing(
+                TauriContextInitializationProgress::DownloadingMoneroWalletRpc {
+                    progress: 0,
+                    size: content_length,
+                },
+            ));
+
             let mut hasher = Sha256::new();
 
             let byte_stream = response
@@ -292,6 +307,16 @@ impl WalletRpc {
                         "Downloading monero-wallet-rpc",
                     );
                     notified = percent;
+
+                    // Emit a tauri event to update the progress
+                    tauri_handle.emit_context_init_progress_event(
+                        TauriContextStatusEvent::Initializing(
+                            TauriContextInitializationProgress::DownloadingMoneroWalletRpc {
+                                progress: percent,
+                                size: content_length,
+                            },
+                        ),
+                    );
                 }
                 file.write_all(&bytes).await?;
             }