fix: no refund file download in mobile EVM browser

e2e/evm/noBrowserWallet.spec.ts

@@ -0,0 +1,25 @@
+import { test } from "@playwright/test";
+
+import dict from "../../src/i18n/i18n";
+
+test.describe("EVM no browser wallet", () => {
+    test("should show when no browser wallet is detected", async ({ page }) => {
+        await page.goto("/");
+
+        await page
+            .locator(
+                "div:nth-child(3) > .asset-wrap > .asset > .asset-selection",
+            )
+            .click();
+        await page.getByTestId("select-RBTC").click();
+
+        await page
+            .getByRole("button", { name: dict.en.connect_wallet })
+            .click();
+
+        // Click it to make sure it exists
+        await page
+            .getByRole("heading", { name: dict.en.no_browser_wallet })
+            .click();
+    });
+});

src/components/ConnectWallet.tsx

@@ -13,7 +13,7 @@ import {
 import type { EIP6963ProviderInfo } from "../consts/Types";
 import { useCreateContext } from "../context/Create";
 import { useGlobalContext } from "../context/Global";
-import { customDerivationPathRdns, useWeb3Signer } from "../context/Web3";
+import { useWeb3Signer } from "../context/Web3";
 import "../style/web3.scss";
 import { formatError } from "../utils/errors";
 import { cropString, isMobile } from "../utils/helper";
@@ -25,20 +25,13 @@ const Modal = (props: {
     setShow: Setter<boolean>;
 }) => {
     const { t, notify } = useGlobalContext();
-    const { providers, connectProvider } = useWeb3Signer();
+    const { providers, connectProvider, hasBrowserWallet } = useWeb3Signer();
 
     const [showDerivationPaths, setShowDerivationPaths] =
         createSignal<boolean>(false);
     const [hardwareProvider, setHardwareProvider] =
         createSignal<EIP6963ProviderInfo>(undefined);
 
-    const hasBrowserWallet = createMemo(() => {
-        return Object.values(providers()).some(
-            (provider) =>
-                !customDerivationPathRdns.includes(provider.info.rdns),
-        );
-    });
-
     const Provider = (providerProps: { provider: EIP6963ProviderInfo }) => {
         return (
             <div

src/components/CreateButton.tsx

@@ -14,7 +14,7 @@ import { fetchBolt12Invoice, getPairs } from "../utils/boltzClient";
 import { formatAmount } from "../utils/denomination";
 import { formatError } from "../utils/errors";
 import { HardwareSigner } from "../utils/hardware/HadwareSigner";
-import { coalesceLn } from "../utils/helper";
+import { coalesceLn, isMobile } from "../utils/helper";
 import { fetchBip353, fetchLnurl } from "../utils/invoice";
 import {
     SomeSwap,
@@ -63,7 +63,8 @@ export const CreateButton = () => {
         bolt12Offer,
         setBolt12Offer,
     } = useCreateContext();
-    const { getEtherSwap, signer, providers } = useWeb3Signer();
+    const { getEtherSwap, signer, providers, hasBrowserWallet } =
+        useWeb3Signer();
 
     const [buttonDisable, setButtonDisable] = createSignal(false);
     const [buttonClass, setButtonClass] = createSignal("btn");
@@ -353,11 +354,15 @@ export const CreateButton = () => {
             setOnchainAddress("");
             setAddressValid(false);
 
+            // Mobile EVM browsers struggle with downloading files
+            const isMobileEvmBrowser = () => isMobile() && hasBrowserWallet();
+
             // No backups needed for Reverse Swaps or when we send RBTC
             if (
                 isRecklessMode() ||
                 swapType() === SwapType.Reverse ||
-                assetSend() === RBTC
+                assetSend() === RBTC ||
+                isMobileEvmBrowser()
             ) {
                 navigate("/swap/" + data.id);
             } else {

src/context/Web3.tsx

@@ -65,11 +65,14 @@ const customDerivationPathRdns: string[] = [
 
 const Web3SignerContext = createContext<{
     providers: Accessor<Record<string, EIP6963ProviderDetail>>;
+    hasBrowserWallet: Accessor<boolean>;
+
     connectProvider: (rdns: string) => Promise<void>;
     connectProviderForAddress: (
         address: string,
         derivationPath?: string,
     ) => Promise<void>;
+
     signer: Accessor<Signer | undefined>;
     clearSigner: () => void;
 
@@ -116,9 +119,12 @@ const Web3SignerProvider = (props: {
     const [rawProvider, setRawProvider] = createSignal<
         EIP1193Provider | undefined
     >(undefined);
+    const [hasBrowserWallet, setHasBrowserWallet] =
+        createSignal<boolean>(false);
 
     onMount(() => {
         if (window.ethereum !== undefined) {
+            setHasBrowserWallet(true);
             setProviders({
                 ...providers(),
                 [browserRdns]: {
@@ -139,6 +145,8 @@ const Web3SignerProvider = (props: {
                 log.debug(
                     `Found EIP-6963 wallet: ${event.detail.info.rdns}: ${event.detail.info.name}`,
                 );
+                setHasBrowserWallet(true);
+
                 const existingProviders = { ...providers() };
 
                 // We should not show the browser provider when an EIP-6963 provider is found
@@ -269,6 +277,7 @@ const Web3SignerProvider = (props: {
                 getEtherSwap,
                 switchNetwork,
                 connectProvider,
+                hasBrowserWallet,
                 connectProviderForAddress,
                 getContracts: contracts,
                 clearSigner: () => {

src/utils/helper.ts

@@ -15,6 +15,7 @@ import { ChainSwap, ReverseSwap, SomeSwap, SubmarineSwap } from "./swapCreator";
 
 export const isIos = () =>
     !!navigator.userAgent.match(/iphone|ipad/gi) || false;
+
 export const isMobile = () =>
     isIos() || !!navigator.userAgent.match(/android|blackberry/gi) || false;