feat: allow user to export view key

__tests__/__snapshots__/Seed.snapshot.tsx.snap

@@ -663,6 +663,20 @@ exports[`Component Seed - test Seed Backup - snapshot 1`] = `
             </Text>
           </View>
         </View>
+        <Text
+          style={
+            {
+              "color": "#c3c3c3",
+              "flexGrow": 1,
+              "flexShrink": 1,
+              "fontSize": 20,
+              "marginTop": 10,
+              "opacity": 0.65,
+            }
+          }
+        >
+          ... extracting UFVK...
+        </Text>
       </View>
     </View>
   </RCTScrollView>
@@ -1332,6 +1346,20 @@ exports[`Component Seed - test Seed Change - snapshot 1`] = `
             </Text>
           </View>
         </View>
+        <Text
+          style={
+            {
+              "color": "#c3c3c3",
+              "flexGrow": 1,
+              "flexShrink": 1,
+              "fontSize": 20,
+              "marginTop": 10,
+              "opacity": 0.65,
+            }
+          }
+        >
+          ... extracting UFVK...
+        </Text>
       </View>
     </View>
   </RCTScrollView>
@@ -2747,6 +2775,20 @@ exports[`Component Seed - test Seed Server - snapshot 1`] = `
             </Text>
           </View>
         </View>
+        <Text
+          style={
+            {
+              "color": "#c3c3c3",
+              "flexGrow": 1,
+              "flexShrink": 1,
+              "fontSize": 20,
+              "marginTop": 10,
+              "opacity": 0.65,
+            }
+          }
+        >
+          ... extracting UFVK...
+        </Text>
       </View>
     </View>
   </RCTScrollView>
@@ -3416,6 +3458,20 @@ exports[`Component Seed - test Seed View - snapshot 1`] = `
             </Text>
           </View>
         </View>
+        <Text
+          style={
+            {
+              "color": "#c3c3c3",
+              "flexGrow": 1,
+              "flexShrink": 1,
+              "fontSize": 20,
+              "marginTop": 10,
+              "opacity": 0.65,
+            }
+          }
+        >
+          ... extracting UFVK...
+        </Text>
       </View>
     </View>
   </RCTScrollView>

android/app/build.gradle

@@ -115,7 +115,7 @@ android {
         applicationId 'org.ZingoLabs.ZingoDelegator' // Real
         minSdkVersion rootProject.ext.minSdkVersion
         targetSdkVersion rootProject.ext.targetSdkVersion
-        versionCode 36 // Real
+        versionCode 37 // Real
         versionName "zingodelegator-0.0.1" // Real
         testBuildType System.getProperty('testBuildType', 'debug')
         testInstrumentationRunner 'androidx.test.runner.AndroidJUnitRunner'

app/AppState/AppContextLoaded.ts

@@ -51,6 +51,8 @@ export default interface AppContextLoaded {
   sendPageState: SendPageStateClass;
   setSendPageState: (s: SendPageStateClass) => void;
 
+  getUfvk: () => Promise<string>;
+
   // getinfo and getblockchaininfo result
   info: InfoType;
 

app/LoadedApp/LoadedApp.tsx

@@ -501,6 +501,7 @@ export class LoadedAppClass extends Component<
       messagesTotal: null,
       sendPageState: new SendPageStateClass(new ToAddrClass(0)),
       setSendPageState: this.setSendPageState,
+      getUfvk: this.getUfvk,
       info: {} as InfoType,
       syncingStatus: {} as RPCSyncStatusType,
       wallet: {} as WalletType,
@@ -1852,6 +1853,11 @@ export class LoadedAppClass extends Component<
     });
   };
 
+  getUfvk = async (): Promise<string> => {
+    let wallet = await RPC.rpcFetchWallet(true);
+    return wallet.ufvk || '';
+  };
+
   setRecoveryWalletInfoOnDeviceOption = async (
     value: boolean,
   ): Promise<void> => {
@@ -2170,6 +2176,7 @@ export class LoadedAppClass extends Component<
       blocksTotalStakingDay: this.state.blocksTotalStakingDay,
       scheduledActions: this.state.scheduledActions,
       setScheduledActions: this.state.setScheduledActions,
+      getUfvk: this.getUfvk,
 
       // context settings
       indexerServer: this.state.indexerServer,

app/context/contextAppLoaded.tsx

@@ -88,6 +88,7 @@ export const defaultAppContextLoaded: AppContextLoaded = {
   blocksTotalStakingDay: 0,
   scheduledActions: {} as ScheduledActionType[],
   setScheduledActions: () => {},
+  getUfvk: async () => '',
 };
 
 export const ContextAppLoaded = React.createContext(defaultAppContextLoaded);

app/rpc/RPC.ts

@@ -71,6 +71,7 @@ export default class RPC {
   lastServerBlockHeight: number;
   walletBirthday: number;
   walletSeed: string;
+  UFVK: string;
 
   fetchWalletHeightLock: boolean;
   fetchWalletBirthdaySeedUfvkLock: boolean;
@@ -143,6 +144,7 @@ export default class RPC {
     this.lastServerBlockHeight = 0;
     this.walletBirthday = 0;
     this.walletSeed = '';
+    this.UFVK = '';
 
     this.fetchWalletHeightLock = false;
     this.fetchWalletBirthdaySeedUfvkLock = false;
@@ -1414,6 +1416,7 @@ export default class RPC {
       if (wallet) {
         this.walletBirthday = wallet.birthday;
         this.walletSeed = wallet.seed || '';
+        this.UFVK = wallet.ufvk || '';
         this.fnSetWallet(wallet);
       }
       this.fetchWalletBirthdaySeedUfvkLock = false;

components/Seed/Seed.tsx

@@ -41,6 +41,7 @@ const Seed: React.FunctionComponent<SeedProps> = ({}) => {
     addLastSnackbar,
     snackbars,
     removeFirstSnackbar,
+    getUfvk,
   } = context;
   const { colors } = useTheme() as ThemeType;
   // when this screen is open from LoadingApp (new wallet)
@@ -61,6 +62,22 @@ const Seed: React.FunctionComponent<SeedProps> = ({}) => {
   const seedPhrase = wallet.seed || '';
   const birthdayNumber = (wallet.birthday && wallet.birthday.toString()) || '';
 
+  const [ufvk, setUfvk] = useState<string>('');
+
+  useEffect(() => {
+    const loadUfvk = async () => {
+      try {
+        const value = await getUfvk();
+        setUfvk(value || '');
+      } catch (e) {
+        console.error('Failed to load ufvk', e);
+        setUfvk('');
+      }
+    };
+
+    loadUfvk();
+  }, [getUfvk]);
+
   useEffect(() => {
     const seedTextArray: string[] = seedPhrase.split(' ');
 
@@ -394,6 +411,64 @@ const Seed: React.FunctionComponent<SeedProps> = ({}) => {
               </TouchableOpacity>
             </View>
           )}
+          {!!ufvk ? (
+            <View
+              style={{
+                flexDirection: 'row',
+                justifyContent: 'flex-start',
+                borderColor: colors.border,
+                borderWidth: 1,
+                borderRadius: 25,
+                marginTop: 10,
+                marginBottom: 10,
+                backgroundColor: colors.secondary,
+                width: '100%',
+                minWidth: '50%',
+                minHeight: 48,
+                alignItems: 'center',
+                paddingHorizontal: 25,
+                paddingVertical: 15,
+              }}
+            >
+              <FadeText
+                style={{
+                  flexGrow: 1,
+                  flexShrink: 1,
+                  fontSize: 20,
+                }}
+              >
+                UFVK
+              </FadeText>
+
+              <TouchableOpacity
+                onPress={() => {
+                  Clipboard.setString(ufvk);
+                  if (addLastSnackbar) {
+                    addLastSnackbar({
+                      message: 'UFVK copied',
+                      duration: SnackbarDurationEnum.short,
+                      screenName: [screenName],
+                    });
+                  }
+                }}
+              >
+                <RegText color={colors.text} style={{ textAlign: 'center' }}>
+                  {Utils.trimToSmall(ufvk, 12)}
+                </RegText>
+              </TouchableOpacity>
+            </View>
+          ) : (
+            <FadeText
+              style={{
+                flexGrow: 1,
+                flexShrink: 1,
+                fontSize: 20,
+                marginTop: 10,
+              }}
+            >
+              ... extracting UFVK...
+            </FadeText>
+          )}
         </View>
       </ScrollView>
     </ToastProvider>

ios/ZingoDelegator.xcodeproj/project.pbxproj

@@ -572,7 +572,7 @@
 				ASSETCATALOG_COMPILER_INCLUDE_ALL_APPICON_ASSETS = YES;
 				CLANG_ENABLE_MODULES = YES;
 				CODE_SIGN_ENTITLEMENTS = ZingoDelegator/ZingoDelegator.entitlements;
-				CURRENT_PROJECT_VERSION = 36;
+				CURRENT_PROJECT_VERSION = 37;
 				DEPLOYMENT_POSTPROCESSING = YES;
 				DEVELOPMENT_TEAM = 788KRST4S8;
 				ENABLE_BITCODE = NO;
@@ -614,7 +614,7 @@
 				ASSETCATALOG_COMPILER_INCLUDE_ALL_APPICON_ASSETS = YES;
 				CLANG_ENABLE_MODULES = YES;
 				CODE_SIGN_ENTITLEMENTS = ZingoDelegator/ZingoDelegator.entitlements;
-				CURRENT_PROJECT_VERSION = 36;
+				CURRENT_PROJECT_VERSION = 37;
 				DEPLOYMENT_POSTPROCESSING = YES;
 				DEVELOPMENT_TEAM = 788KRST4S8;
 				ENABLE_BITCODE = NO;

rust/Cargo.toml

@@ -10,15 +10,15 @@ nursery = { level = "deny", priority = -1 }
 
 [workspace.dependencies]
 
-zingo_common_components = { git = "https://github.com/zingolabs/zingolib-crosslink", rev = "740a0672402d566ba43fae2333ab3b1434ddd7ce" }
-zingo-netutils = { git = "https://github.com/zingolabs/zingolib-crosslink", rev = "740a0672402d566ba43fae2333ab3b1434ddd7ce" }
+zingo_common_components = { git = "https://github.com/zingolabs/zingolib-crosslink", rev = "b118e682bcf9a14fda4b3482978d4e3fca9c5f05" }
+zingo-netutils = { git = "https://github.com/zingolabs/zingolib-crosslink", rev = "b118e682bcf9a14fda4b3482978d4e3fca9c5f05" }
 
-zingolib = { git = "https://github.com/zingolabs/zingolib-crosslink", rev = "740a0672402d566ba43fae2333ab3b1434ddd7ce", default-features = true, features = [
+zingolib = { git = "https://github.com/zingolabs/zingolib-crosslink", rev = "b118e682bcf9a14fda4b3482978d4e3fca9c5f05", default-features = true, features = [
     "testutils",
 ] }
-pepper-sync = { git = "https://github.com/zingolabs/zingolib-crosslink", rev = "740a0672402d566ba43fae2333ab3b1434ddd7ce" }
+pepper-sync = { git = "https://github.com/zingolabs/zingolib-crosslink", rev = "b118e682bcf9a14fda4b3482978d4e3fca9c5f05" }
 
-zingolib_testutils = { git = "https://github.com/zingolabs/zingolib-crosslink", rev = "740a0672402d566ba43fae2333ab3b1434ddd7ce", features = [
+zingolib_testutils = { git = "https://github.com/zingolabs/zingolib-crosslink", rev = "b118e682bcf9a14fda4b3482978d4e3fca9c5f05", features = [
     "test_lwd_zcashd",
 ] }
 regchest_utils = { git = "https://github.com/zingolabs/zingo-regchest", branch = "dev" }

rust/lib/Cargo.toml

@@ -11,11 +11,11 @@ regchest = []
 [dependencies]
 
 zingo-netutils = { workspace = true }
-zingo_common_components = { git = "https://github.com/zingolabs/zingolib-crosslink", rev = "740a0672402d566ba43fae2333ab3b1434ddd7ce" }
-zingolib = { git = "https://github.com/zingolabs/zingolib-crosslink", rev = "740a0672402d566ba43fae2333ab3b1434ddd7ce", default-features = true, features = [
+zingo_common_components = { git = "https://github.com/zingolabs/zingolib-crosslink", rev = "b118e682bcf9a14fda4b3482978d4e3fca9c5f05" }
+zingolib = { git = "https://github.com/zingolabs/zingolib-crosslink", rev = "b118e682bcf9a14fda4b3482978d4e3fca9c5f05", default-features = true, features = [
     "testutils",
 ] }
-pepper-sync = { git = "https://github.com/zingolabs/zingolib-crosslink", rev = "740a0672402d566ba43fae2333ab3b1434ddd7ce" }
+pepper-sync = { git = "https://github.com/zingolabs/zingolib-crosslink", rev = "b118e682bcf9a14fda4b3482978d4e3fca9c5f05" }
 
 zcash_encoding = { git = "https://github.com/ShieldedLabs/crosslink_monolith.git", rev = "315b72497f9611267c0c6d9d44ad893af8c17d57", features = [
     "std",

rust/lib/src/lib.rs

@@ -1810,10 +1810,8 @@ pub fn withdraw_stake(withdraw_stake_json: String) -> Result<String, ZingolibErr
                     }
                 };
                 match res {
-                    Some(txid) => object! { "txid" => txid.to_string() }.pretty(2),
-                    None => {
-                        object! { "error" => "withdraw failed (builder returned None)" }.pretty(2)
-                    }
+                    Ok(txid) => object! { "txid" => txid.to_string() }.pretty(2),
+                    Err(e) => object! { "error" => e.to_string() }.pretty(2),
                 }
             }))
         } else {