ADD: airdrop ms cosigner (#5682)

App.js

@@ -58,8 +58,15 @@ if (Platform.OS === 'android') {
 }
 
 const App = () => {
-  const { walletsInitialized, wallets, addWallet, saveToDisk, fetchAndSaveWalletTransactions, refreshAllWalletTransactions } =
-    useContext(BlueStorageContext);
+  const {
+    walletsInitialized,
+    wallets,
+    addWallet,
+    saveToDisk,
+    fetchAndSaveWalletTransactions,
+    refreshAllWalletTransactions,
+    setSharedCosigner,
+  } = useContext(BlueStorageContext);
   const appState = useRef(AppState.currentState);
   const clipboardContent = useRef();
   const colorScheme = useColorScheme();
@@ -328,7 +335,12 @@ const App = () => {
   };
 
   const handleOpenURL = event => {
-    DeeplinkSchemaMatch.navigationRouteFor(event, value => NavigationService.navigate(...value), { wallets, addWallet, saveToDisk });
+    DeeplinkSchemaMatch.navigationRouteFor(event, value => NavigationService.navigate(...value), {
+      wallets,
+      addWallet,
+      saveToDisk,
+      setSharedCosigner,
+    });
   };
 
   const showClipboardAlert = ({ contentType }) => {

blue_modules/storage-context.js

@@ -30,6 +30,7 @@ export const BlueStorageProvider = ({ children }) => {
   const [isElectrumDisabled, setIsElectrumDisabled] = useState(true);
   const [isTorDisabled, setIsTorDisabled] = useState(false);
   const [isPrivacyBlurEnabled, setIsPrivacyBlurEnabled] = useState(true);
+  const [currentSharedCosigner, setCurrentSharedCosigner] = useState('');
 
   useEffect(() => {
     BlueElectrum.isDisabled().then(setIsElectrumDisabled);
@@ -200,6 +201,10 @@ export const BlueStorageProvider = ({ children }) => {
     setWallets([...BlueApp.getWallets()]);
   };
 
+  const setSharedCosigner = cosigner => {
+    setCurrentSharedCosigner(cosigner);
+  };
+
   let txMetadata = BlueApp.tx_metadata || {};
   const getTransactions = BlueApp.getTransactions;
   const isAdvancedModeEnabled = BlueApp.isAdvancedModeEnabled;
@@ -239,6 +244,8 @@ export const BlueStorageProvider = ({ children }) => {
         setSelectedWallet,
         addWallet,
         deleteWallet,
+        currentSharedCosigner,
+        setSharedCosigner,
         addAndSaveWallet,
         setItem,
         getItem,

class/deeplink-schema-match.js

@@ -31,7 +31,11 @@ class DeeplinkSchemaMatch {
    * @param event {{url: string}} URL deeplink as passed to app, e.g. `bitcoin:bc1qh6tf004ty7z7un2v5ntu4mkf630545gvhs45u7?amount=666&label=Yo`
    * @param completionHandler {function} Callback that returns [string, params: object]
    */
-  static navigationRouteFor(event, completionHandler, context = { wallets: [], saveToDisk: () => {}, addWallet: () => {} }) {
+  static navigationRouteFor(
+    event,
+    completionHandler,
+    context = { wallets: [], saveToDisk: () => {}, addWallet: () => {}, setSharedCosigner: () => {} },
+  ) {
     if (event.url === null) {
       return;
     }
@@ -104,6 +108,17 @@ class DeeplinkSchemaMatch {
         })
         .catch(e => console.warn(e));
       return;
+    } else if (event.url.endsWith('.json')) {
+      RNFS.readFile(decodeURI(event.url))
+        .then(file => {
+          // checks whether the necessary json keys are present in order to set a cosigner,
+          // doesn't validate the values this happens later
+          if (!file || !this.hasNeededJsonKeysForMultiSigSharing(file)) {
+            return;
+          }
+          context.setSharedCosigner(file);
+        })
+        .catch(e => console.warn(e));
     }
     let isBothBitcoinAndLightning;
     try {
@@ -377,6 +392,20 @@ class DeeplinkSchemaMatch {
     return text.startsWith('widget?action=');
   }
 
+  static hasNeededJsonKeysForMultiSigSharing(str) {
+    let obj;
+
+    // Check if it's a valid JSON
+    try {
+      obj = JSON.parse(str);
+    } catch (e) {
+      return false;
+    }
+
+    // Check for the existence and type of the keys
+    return typeof obj.xfp === 'string' && typeof obj.xpub === 'string' && typeof obj.path === 'string';
+  }
+
   static isBothBitcoinAndLightning(url) {
     if (url.includes('lightning') && (url.includes('bitcoin') || url.includes('BITCOIN'))) {
       const txInfo = url.split(/(bitcoin:\/\/|BITCOIN:\/\/|bitcoin:|BITCOIN:|lightning:|lightning=|bitcoin=)+/);

ios/BlueWallet/Info.plist

@@ -56,6 +56,18 @@
 				<string>io.bluewallet.backup</string>
 			</array>
 		</dict>
+		<dict>
+            <key>CFBundleTypeName</key>
+            <string>JSON File</string>
+            <key>CFBundleTypeRole</key>
+            <string>Editor</string>
+            <key>LSItemContentTypes</key>
+            <array>
+                <string>public.json</string>
+            </array>
+            <key>LSHandlerRank</key>
+            <string>Owner</string>
+        </dict>
 	</array>
 	<key>CFBundleExecutable</key>
 	<string>$(EXECUTABLE_NAME)</string>
@@ -251,6 +263,29 @@
 	</array>
 	<key>UTImportedTypeDeclarations</key>
 	<array>
+		<dict>
+			<key>UTTypeConformsTo</key>
+			<array>
+				<string>public.text</string>
+			</array>
+			<key>UTTypeDescription</key>
+			<string>JSON File</string>
+			<key>UTTypeIconFiles</key>
+			<array/>
+			<key>UTTypeIdentifier</key>
+			<string>public.json</string>
+			<key>UTTypeTagSpecification</key>
+			<dict>
+				<key>public.filename-extension</key>
+				<array>
+					<string>json</string>
+				</array>
+				<key>public.mime-type</key>
+				<array>
+					<string>application/json</string>
+				</array>
+			</dict>
+		</dict>
 		<dict>
 			<key>UTTypeConformsTo</key>
 			<array>

loc/en.json

@@ -482,6 +482,8 @@
     "header": "Send",
     "share": "Share",
     "view": "View",
+    "shared_key_detected": "Shared cosigner",
+    "shared_key_detected_question": "A cosigner was shared with you, do you want to import it?",
     "manage_keys": "Manage Keys",
     "how_many_signatures_can_bluewallet_make": "how many signatures can BlueWallet make",
     "signatures_required_to_spend": "Signatures required {number}",

screen/wallets/addMultisigStep2.js

@@ -41,6 +41,7 @@ import { BlueStorageContext } from '../../blue_modules/storage-context';
 import { encodeUR } from '../../blue_modules/ur';
 import QRCodeComponent from '../../components/QRCodeComponent';
 import alert from '../../components/Alert';
+import confirm from '../../helpers/confirm';
 
 const prompt = require('../../helpers/prompt');
 const A = require('../../blue_modules/analytics');
@@ -49,7 +50,8 @@ const isDesktop = getSystemName() === 'Mac OS X';
 const staticCache = {};
 
 const WalletsAddMultisigStep2 = () => {
-  const { addWallet, saveToDisk, isElectrumDisabled, isAdvancedModeEnabled, sleep } = useContext(BlueStorageContext);
+  const { addWallet, saveToDisk, isElectrumDisabled, isAdvancedModeEnabled, sleep, currentSharedCosigner, setSharedCosigner } =
+    useContext(BlueStorageContext);
   const { colors } = useTheme();
 
   const navigation = useNavigation();
@@ -75,6 +77,20 @@ const WalletsAddMultisigStep2 = () => {
     // eslint-disable-next-line react-hooks/exhaustive-deps
   }, []);
 
+  useEffect(() => {
+    console.log(currentSharedCosigner);
+    if (currentSharedCosigner) {
+      (async function () {
+        if (await confirm(loc.multisig.shared_key_detected, loc.multisig.shared_key_detected_question)) {
+          setImportText(currentSharedCosigner);
+          setIsProvideMnemonicsModalVisible(true);
+          setSharedCosigner('');
+        }
+      })();
+    }
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [currentSharedCosigner]);
+
   const handleOnHelpPress = () => {
     navigation.navigate('WalletsAddMultisigHelp');
   };
@@ -244,7 +260,7 @@ const WalletsAddMultisigStep2 = () => {
     setIsProvideMnemonicsModalVisible(true);
   };
 
-  const tryUsingXpub = async xpub => {
+  const tryUsingXpub = async (xpub, fp, path) => {
     if (!MultisigHDWallet.isXpubForMultisig(xpub)) {
       setIsProvideMnemonicsModalVisible(false);
       setIsLoading(false);
@@ -253,25 +269,31 @@ const WalletsAddMultisigStep2 = () => {
       alert(loc.multisig.not_a_multisignature_xpub);
       return;
     }
-    let fp;
-    try {
-      fp = await prompt(loc.multisig.input_fp, loc.multisig.input_fp_explain, true, 'plain-text');
-      fp = (fp + '').toUpperCase();
-      if (!MultisigHDWallet.isFpValid(fp)) fp = '00000000';
-    } catch {
-      return setIsLoading(false);
+    if (fp) {
+      //  do nothing, it's already set
+    } else {
+      try {
+        fp = await prompt(loc.multisig.input_fp, loc.multisig.input_fp_explain, true, 'plain-text');
+        fp = (fp + '').toUpperCase();
+        if (!MultisigHDWallet.isFpValid(fp)) fp = '00000000';
+      } catch (e) {
+        return setIsLoading(false);
+      }
     }
-    let path;
-    try {
-      path = await prompt(
-        loc.multisig.input_path,
-        loc.formatString(loc.multisig.input_path_explain, { default: getPath() }),
-        true,
-        'plain-text',
-      );
-      if (!MultisigHDWallet.isPathValid(path)) path = getPath();
-    } catch {
-      return setIsLoading(false);
+    if (path) {
+      //  do nothing, it's already set
+    } else {
+      try {
+        path = await prompt(
+          loc.multisig.input_path,
+          loc.formatString(loc.multisig.input_path_explain, { default: getPath() }),
+          true,
+          'plain-text',
+        );
+        if (!MultisigHDWallet.isPathValid(path)) path = getPath();
+      } catch {
+        return setIsLoading(false);
+      }
     }
 
     setIsProvideMnemonicsModalVisible(false);
@@ -291,6 +313,20 @@ const WalletsAddMultisigStep2 = () => {
     if (MultisigHDWallet.isXpubValid(importText)) {
       return tryUsingXpub(importText);
     }
+    try {
+      const jsonText = JSON.parse(importText);
+      let fp;
+      let path;
+      if (jsonText.xpub) {
+        if (jsonText.xfp) {
+          fp = jsonText.xfp;
+        }
+        if (jsonText.path) {
+          path = jsonText.path;
+        }
+        return tryUsingXpub(jsonText.xpub, fp, path);
+      }
+    } catch {}
     const hd = new HDSegwitBech32Wallet();
     hd.setSecret(importText);
     if (!hd.validateMnemonic()) {

tests/unit/deeplink-schema-match.test.js

@@ -462,4 +462,22 @@ describe.each(['', '//'])('unit - DeepLinkSchemaMatch', function (suffix) {
     assert.strictEqual(DeeplinkSchemaMatch.getUrlFromSetLndhubUrlAction('gsom?url=https%3A%2F%2Flndhub.herokuapp.com%3A443'), false);
     assert.strictEqual(DeeplinkSchemaMatch.getUrlFromSetLndhubUrlAction('sdfhserhsthsd'), false);
   });
+
+  it('should accept only the one valid format', function () {
+    // has all the necessary json keys
+    const isAllowed1 = '{"xfp":"ffffffff", "path":"m/84\'/0\'/0\'", "xpub":"Zpubsnkjansdjnjnekjwcnwkjnc"}';
+    // has all the necessary json keys, different order
+    const isAllowed2 = '{"path":"m/84\'/0\'/0\'", "xpub":"Zpubsnkjansdjnjnekjwcnwkjnc", "xfp":"ffffffff"}';
+
+    //
+
+    assert.strictEqual(DeeplinkSchemaMatch.hasNeededJsonKeysForMultiSigSharing(isAllowed1), true);
+    assert.strictEqual(DeeplinkSchemaMatch.hasNeededJsonKeysForMultiSigSharing(isAllowed2), true);
+
+    const isNotAllowed1 = '{"path":"m/84\'/0\'/0\'", "xpub":"Zpubsnkjansdjnjnekjwcnwkjnc"}';
+    const isNotAllowed2 = '{"path":1233, "xpub":"Zpubsnkjansdjnjnekjwcnwkjnc", "xfp":"ffffffff"}';
+
+    assert.strictEqual(DeeplinkSchemaMatch.hasNeededJsonKeysForMultiSigSharing(isNotAllowed1), false);
+    assert.strictEqual(DeeplinkSchemaMatch.hasNeededJsonKeysForMultiSigSharing(isNotAllowed2), false);
+  });
 });