Send ecash using NIP17 sealed and wrapped direct messages, fix generating new seed.

2026-10-05 19:28:26 +00:00 · 2025-01-09 00:41:43 +01:00
parent d55665267b
commit 09c09afef7
19 changed files with 488 additions and 363 deletions
@@ -12,6 +12,7 @@ module.exports = {
          },
      ],    
      'module:react-native-dotenv',
-      'react-native-reanimated/plugin'
+      'react-native-reanimated/plugin',
+      '@babel/plugin-proposal-export-namespace-from'
  ],
 };
@@ -6,6 +6,7 @@ const {getDefaultConfig, mergeConfig} = require('@react-native/metro-config');
 *
 * @type {import('metro-config').MetroConfig}
 */
-const config = {};
+const config = {    
+};

 module.exports = mergeConfig(getDefaultConfig(__dirname), config);
@@ -1,6 +1,6 @@
 {
  "name": "minibits_wallet",
-  "version": "0.1.10-beta.16",
+  "version": "0.1.10-beta.17",
  "private": true,
  "scripts": {
    "android:clean": "cd android && ./gradlew clean",
@@ -18,7 +18,7 @@
    "adb:inspect": "adb shell input keyevent 82",
    "postinstall": "patch-package --exclude 'nothing'"
  },
-  "dependencies": {
+  "dependencies": {    
    "@cashu/cashu-ts": "minibits-cash/cashu-ts#2b51a7ba7a8461a0040359eecda37b98b603692c",
    "@fortawesome/fontawesome-svg-core": "^6.6.0",
    "@fortawesome/free-brands-svg-icons": "^6.6.0",
@@ -47,7 +47,7 @@
    "mobx": "^6.13.2",
    "mobx-react-lite": "^4.0.7",
    "mobx-state-tree": "^6.0.1",
-    "nostr-tools": "2.9.4",
+    "nostr-tools": "minibits-cash/nostr-tools#2991f59d0150a0cb2c71e2f9a4cb6c8aca3b19d7",
    "numbro": "^2.5.0",
    "patch-package": "^8.0.0",
    "postinstall-postinstall": "^2.1.0",
@@ -80,8 +80,9 @@
    "text-encoding-polyfill": "^0.6.7",
    "util": "^0.12.5"
  },
-  "devDependencies": {
+  "devDependencies": {    
    "@babel/core": "^7.20.0",
+    "@babel/plugin-proposal-export-namespace-from": "^7.18.9",
    "@babel/preset-env": "^7.20.0",
    "@babel/runtime": "^7.20.0",
    "@react-native/babel-preset": "0.75.3",
@@ -7,7 +7,7 @@ import {
    isStateTreeNode,
    detach,  
 } from 'mobx-state-tree'
-import { kinds as NostrKinds } from 'nostr-tools'
+import { kinds } from 'nostr-tools'
 import {withSetPropAction} from './helpers/withSetPropAction'
 import {log} from '../services/logService'
 import EventEmitter from '../utils/eventEmitter'
@@ -162,7 +162,7 @@ export const NwcConnectionModel = types.model('NwcConnection', {

        const responseEvent: NostrUnsignedEvent = {
            pubkey: self.walletPubkey,            
-            kind: NostrKinds.NWCWalletResponse,
+            kind: kinds.NWCWalletResponse,
            tags: [["p", requestEvent.pubkey], ["e", requestEvent.id]],
            content: encryptedContent,
            created_at: Math.floor(Date.now() / 1000)
@@ -673,7 +673,7 @@ export const NwcStoreModel = types
            self.nwcConnections.push(newConnection)

            const filter = {            
-                kinds: [NostrKinds.NWCWalletInfo],
+                kinds: [kinds.NWCWalletInfo],
                authors: [newConnection.walletPubkey],                
            }

@@ -683,7 +683,7 @@ export const NwcStoreModel = types
            if(!existingInfoEvent) {
                // publish info replacable event // seems to be a relict replaced by get_info request?
                const infoEvent: NostrUnsignedEvent = {
-                    kind: NostrKinds.NWCWalletInfo,
+                    kind: kinds.NWCWalletInfo,
                    pubkey: newConnection.walletPubkey,
                    tags: [],                        
                    content: self.supportedMethods.join(' '),
@@ -730,7 +730,7 @@ export const NwcStoreModel = types
                let eventsBatch: NostrEvent[] = []               
        
                const filter = [{            
-                    kinds: [NostrKinds.NWCWalletRequest],
+                    kinds: [kinds.NWCWalletRequest],
                    authors: connectionsPubkeys,
                    "#p": [self.walletPubkey],
                    since
@@ -740,7 +740,7 @@ export const NwcStoreModel = types
                
                const sub = pool.subscribeMany(self.connectionRelays , filter, {
                    onevent(event) {
-                        if (event.kind != NostrKinds.NWCWalletRequest) {
+                        if (event.kind != kinds.NWCWalletRequest) {
                            return
                        }                    
            
@@ -1,5 +1,5 @@
 import {Instance, SnapshotOut, types, flow} from 'mobx-state-tree'
-import { kinds as NostrKinds } from 'nostr-tools'
+import { kinds } from 'nostr-tools'
 import {KeyChain, MinibitsClient, NostrClient, NostrUnsignedEvent, WalletTask} from '../services'
 import {log} from '../services/logService'
 import { Err } from '../utils/AppError'
@@ -15,6 +15,7 @@ export type WalletProfile = {
    picture: string
    lud16?: string | null    
    device?: string | null
+    seedHash?: string | null
    isOwnProfile: boolean
    // isBatchClaimOn: boolean
 }
@@ -51,7 +52,7 @@ export const WalletProfileStoreModel = types

                // announce to minibits relay + default public relays with replaceable event           
                const profileEvent: NostrUnsignedEvent = {
-                    kind: NostrKinds.Metadata,
+                    kind: kinds.Metadata,
                    pubkey,
                    tags: [],                        
                    content: JSON.stringify({
@@ -94,7 +95,7 @@ export const WalletProfileStoreModel = types

                // announce to new minibits relay
                const profileEvent: NostrUnsignedEvent = {
-                    kind: NostrKinds.Metadata,
+                    kind: kinds.Metadata,
                    pubkey,
                    tags: [],                        
                    content: JSON.stringify({
@@ -133,7 +134,10 @@ export const WalletProfileStoreModel = types
            self.name = name // default name is set on server side, equals walletId
            self.nip05 = nip05 // default is name@minibits.cash set on server side
            self.lud16 = lud16 // equals for all @minibits.cash addresses
-            self.picture = avatar // default picture is set on server side            
+            self.picture = avatar // default picture is set on server side  
+            
+            const userSettingsStore = getRootStore(self).userSettingsStore
+            userSettingsStore.setWalletId(walletId)
            
            const publishedEvent = yield self.publishToRelays()
        })
@@ -184,12 +188,9 @@ export const WalletProfileStoreModel = types
                }
            )           
                           
-            self.name = profileRecord.name
-            self.nip05 = profileRecord.nip05
-            self.lud16 = profileRecord.lud16
-            const publishedEvent = yield self.publishToRelays()
+            self.hydrate(profileRecord)
            
-            log.debug('[updateName]', 'Wallet name updated in the WalletProfileStore', {self, publishedEvent})
+            log.debug('[updateName]', 'Wallet name updated in the WalletProfileStore', {self})
            return self         
        }),
        updatePicture: flow(function* updatePicture(picture: string) {
@@ -224,16 +225,8 @@ export const WalletProfileStoreModel = types
            )

            log.trace('[updateNip05]', 'profileRecord', {profileRecord})
-            
-            self.pubkey = newPubkey
-            self.walletId = profileRecord.walletId
-            self.nip05 = profileRecord.nip05
-            self.lud16 = profileRecord.lud16
-            self.name = profileRecord.name
-            self.picture = profileRecord.avatar
-            self.isOwnProfile = isOwnProfile
-            
-            // do not publish to relay as this is external 
+
+            self.hydrate(profileRecord)
            
            log.info('[updateNip05]', 'Wallet nip05 updated in the WalletProfileStore', {self})
            return self         
@@ -247,18 +240,14 @@ export const WalletProfileStoreModel = types
                }
            )           
            
-            self.pubkey = currentPubkey
+            // in seed based or backup import recovery we rotate the wallet seed to provided one
            if(!isAddressOnly) {
                self.seedHash = seedHash
-            }            
-            self.walletId = profileRecord.walletId
-            self.nip05 = profileRecord.nip05
-            self.lud16 = profileRecord.lud16
-            self.name = profileRecord.name
-            self.picture = profileRecord.avatar                        
-            
-            const publishedEvent = yield self.publishToRelays()
-            log.info('[recover]', 'Wallet profile recovered in WalletProfileStore', {self, publishedEvent})
+            }
+
+            self.hydrate(profileRecord)
+
+            log.info('[recover]', 'Wallet profile recovered in WalletProfileStore', {self})
            return self         
        }),
        setDevice: flow(function* setDevice(device: string) {  
@@ -277,14 +266,7 @@ export const WalletProfileStoreModel = types
        },
        setSeedHash(seedHash: string) {   // used in migration to v8 model         
            self.seedHash = seedHash             
-        },
-        /* setIsBatchClaimOn: (isBatchClaimOn: boolean) => {            
-            self.isBatchClaimOn = isBatchClaimOn            
-            return isBatchClaimOn
-        },
-        setPicture(picture: string) {            
-            self.picture = picture             
-        }*/
+        }
    }))
    .views(self => ({        
        get npub() {
@@ -10,10 +10,10 @@ import {
  MintActiveKeys,
  OutputAmounts,
  Token,
-  MeltProofsResponse,
-  ProofState,
+  MeltProofsResponse,  
  CheckStateEnum
 } from '@cashu/cashu-ts'
+import { mnemonicToSeedSync } from '@scure/bip39'
 import { isObj } from '@cashu/cashu-ts/src/utils'
 import { JS_BUNDLE_VERSION } from '@env'
 import {KeyChain, MinibitsClient} from '../services'
@@ -25,7 +25,7 @@ import { Proof } from './Proof'

 import { Mint } from './Mint'
 import { getRootStore } from './helpers/getRootStore'
-import {deriveSeedFromMnemonic} from '@cashu/crypto/modules/client/NUT09'
+

 /* 
   Not persisted, in-memory only model of the cashu-ts wallet instances and seed.
@@ -156,7 +156,7 @@ export const WalletStoreModel = types
    
        if (!mnemonic) {
            mnemonic = KeyChain.generateMnemonic() as string            
-            const seed = deriveSeedFromMnemonic(mnemonic) // expensive            
+            const seed = mnemonicToSeedSync(mnemonic) // expensive            
                   
            yield KeyChain.saveMnemonic(mnemonic)
            yield KeyChain.saveSeed(seed)
@@ -346,6 +346,7 @@ Sentry id: ${userSettingsStore.userSettings.walletId}
                  RightComponent={<View style={$rightContainer} />}
                  style={$item}                  
                  onPress={deletePending}
+                  topSeparator
                />
                <ListItem
                  tx="developerScreen.reset"
@@ -5,6 +5,7 @@ import {validateMnemonic} from '@scure/bip39'
 import { btoa, atob } from 'react-native-quick-base64'
 import QuickCrypto from 'react-native-quick-crypto'
 import { wordlist } from '@scure/bip39/wordlists/english'
+import { mnemonicToSeedSync } from '@scure/bip39'
 import {colors, spacing, typography, useThemeColor} from '../theme'
 import {AppStackScreenProps, goBack} from '../navigation' // @demo remove-current-line
 import {
@@ -27,7 +28,6 @@ import { rootStoreInstance, useStores } from '../models'
 import {MnemonicInput} from './Recovery/MnemonicInput'
 import { TransactionStatus } from '../models/Transaction'
 import { ResultModalInfo } from './Wallet/ResultModalInfo'
-import {deriveSeedFromMnemonic} from '@cashu/crypto/modules/client/NUT09'
 import { MINIBITS_MINT_URL, MINIBITS_NIP05_DOMAIN } from '@env'
 import { delay } from '../utils/utils'
 import { applySnapshot} from 'mobx-state-tree'
@@ -125,9 +125,9 @@ export const ImportBackupScreen: FC<AppStackScreenProps<'ImportBackup'>> = obser
            }          

            const start = performance.now()
-            const binarySeed = deriveSeedFromMnemonic(mnemonic) // expensive
+            const binarySeed = mnemonicToSeedSync(mnemonic) // expensive
            const end = performance.now()
-            log.debug(`[onConfirm] deriveSeedFromMnemonic took ${end - start} ms.`)
+            log.debug(`[onConfirm] mnemonicToSeedSync took ${end - start} ms.`)
    
            setSeed(binarySeed)
            setIsValidMnemonic(true)            
@@ -312,7 +312,7 @@ export const ImportBackupScreen: FC<AppStackScreenProps<'ImportBackup'>> = obser
          if(isAddressOnlyRecovery) {
            // in case of wallet address only recovery we have existing profile linked to currentPubkey
            // on server. Then we migrate wallet address linked to seed to that profile.
-            // we keep current wallet seed.
+            // we keep current wallet seed, not rotating to the provided one.
            await walletProfileStore.recover(seedHash as string, currentPubkey, true)
          } else {
            // In case of recovery from backup we have new nostr keys and we link the new pubkey to the profile
@@ -341,6 +341,7 @@ export const ImportBackupScreen: FC<AppStackScreenProps<'ImportBackup'>> = obser
            await delay(1000)
            setStatusMessage('')
            setIsLoading(false)
+            // go directly to the wallet (profile hase been rehydrated from the one with the seed)
            navigation.navigate('Tabs', {screen: 'WalletNavigator', params: {screen: 'Wallet', params: {}}})
          }          
      } catch (e: any) {
@@ -165,6 +165,7 @@ export const NwcScreen: FC<NwcScreenProps> = observer(
    const labelText = useThemeColor('textDim')
    const $subText = {color: useThemeColor('textDim'), fontSize: verticalScale(14)}
    const headerTitle = useThemeColor('headerTitle')
+    const buttonBorder = useThemeColor('card')
    
    return (
      <Screen contentContainerStyle={$screen}>
@@ -347,15 +348,17 @@ export const NwcScreen: FC<NwcScreenProps> = observer(
                        maxLength={8}
                        placeholder='Enter daily limit in satoshi'
                        selectTextOnFocus={true}
-                        style={[$connInput, {backgroundColor: inputBg, borderBottomRightRadius: 0, borderTopRightRadius: 0}]}
+                        style={[$connInput, {backgroundColor: inputBg}]}
                    />
                    <Button
                        preset='secondary'
                        text="SAT"
                        style={{
                            borderTopLeftRadius: 0,
-                            borderBottomLeftRadius: 0,  
-                            marginHorizontal: 1,                                
+                            borderBottomLeftRadius: 0,
+                            marginLeft: -spacing.small,
+                            borderLeftWidth: 1,
+                            borderLeftColor: buttonBorder,                            
                        }}                        
                    />
                </View>
@@ -412,7 +415,7 @@ const $saveButton: ViewStyle = {
 const $connInput: TextStyle = {
    flex: 1,    
    borderRadius: spacing.extraSmall,    
-    fontSize: 16,
+    fontSize: verticalScale(16),
    padding: spacing.small,
    alignSelf: 'stretch',
    textAlignVertical: 'top',
@@ -1,7 +1,7 @@
 import {observer} from 'mobx-react-lite'
 import React, {FC, useRef, useState} from 'react'
 import {Image, LayoutAnimation, Platform, TextInput, TextStyle, UIManager, View, ViewStyle} from 'react-native'
-import {getPublicKey} from 'nostr-tools'
+import {getPublicKey} from 'nostr-tools/pure'
 import { hexToBytes } from '@noble/hashes/utils'
 import {colors, spacing, typography, useThemeColor} from '../theme'
 import {ContactsStackScreenProps} from '../navigation'
@@ -31,16 +31,14 @@ import { CashuUtils } from '../services/cashu/cashuUtils'
 import { Proof } from '../models/Proof'
 import { Transaction, TransactionData, TransactionRecord, TransactionStatus, TransactionType } from '../models/Transaction'
 import { ResultModalInfo } from './Wallet/ResultModalInfo'
-import {deriveSeedFromMnemonic} from '@cashu/crypto/modules/client/NUT09'
+import { mnemonicToSeedSync } from '@scure/bip39'
 import { MINIBITS_MINT_URL, MINIBITS_NIP05_DOMAIN } from '@env'
 import { delay } from '../utils/utils'
-import { getSnapshot, isStateTreeNode } from 'mobx-state-tree'
+import { getSnapshot } from 'mobx-state-tree'
 import { scale } from '@gocodingnow/rn-size-matters'
 import { WalletUtils } from '../services/wallet/utils'
-import { WalletScreen } from './WalletScreen'
 import { MintUnit, formatCurrency, getCurrency } from '../services/wallet/currency'
-import { isObj, sumProofs } from '@cashu/cashu-ts/src/utils'
-import { WalletProfileRecord } from '../models/WalletProfileStore'
+import { isObj } from '@cashu/cashu-ts/src/utils'
 import { translate } from '../i18n'

 if (Platform.OS === 'android' && UIManager.setLayoutAnimationEnabledExperimental) {
@@ -154,9 +152,9 @@ export const SeedRecoveryScreen: FC<AppStackScreenProps<'SeedRecovery'>> = obser
            LayoutAnimation.configureNext(LayoutAnimation.Presets.easeInEaseOut)            

            const start = performance.now()
-            const binarySeed = deriveSeedFromMnemonic(mnemonic)
+            const binarySeed = mnemonicToSeedSync(mnemonic)
            const end = performance.now()
-            console.log(`[onConfirm] deriveSeedFromMnemonic took ${end - start} ms.`)
+            log.debug(`[onConfirm] mnemonicToSeedSync took ${end - start} ms.`)
    
            setSeed(binarySeed)
            setIsValidMnemonic(true)            
@@ -24,7 +24,7 @@ import {
  ImageStyle,
  Image,
 } from 'react-native'
-import { kinds as NostrKinds } from 'nostr-tools'
+import { kinds } from 'nostr-tools'
 import {spacing, typography, useThemeColor, colors} from '../theme'
 import {WalletStackScreenProps} from '../navigation'
 import {
@@ -512,15 +512,16 @@ export const SendScreen: FC<WalletStackScreenProps<'Send'>> = observer(
            const message = `nostr:${walletProfileStore.npub} sent you ${amountToSend} ${getCurrency(unit).code} from Minibits wallet!`
            const content = message + ' \n' + encodedTokenToSend

-            const encryptedContent = await NostrClient.encryptNip04(                
+            const sentEvent = await NostrClient.encryptAndSendDirectMessageNip17(                
                receiverPubkey as string, 
-                content as string
+                content as string,
+                relaysToShareTo
            )
            
            // log.trace('Relays', relaysToShareTo)          

-            const dmEvent: NostrUnsignedEvent = {
-                kind: NostrKinds.EncryptedDirectMessage,
+            /* const dmEvent: NostrUnsignedEvent = {
+                kind: kinds.EncryptedDirectMessage,
                pubkey: senderPubkey,
                tags: [['p', receiverPubkey as string], ['from', walletProfileStore.nip05]],
                content: encryptedContent,
@@ -530,7 +531,7 @@ export const SendScreen: FC<WalletStackScreenProps<'Send'>> = observer(
            const sentEvent: NostrEvent | undefined = await NostrClient.publish(
                dmEvent,
                relaysToShareTo,                     
-            )
+            )*/
            
            setIsNostrDMSending(false)

@@ -14,7 +14,7 @@ import {
  Image,
  ImageStyle,
 } from 'react-native'
-import { kinds as NostrKinds } from 'nostr-tools'
+import { kinds } from 'nostr-tools'
 import {spacing, useThemeColor, colors, typography} from '../theme'
 import {WalletStackScreenProps} from '../navigation'
 import {
@@ -507,15 +507,16 @@ export const TopupScreen: FC<WalletStackScreenProps<'Topup'>> = observer(
          content = content + `Memo: ${memo}`
        }

-        const encryptedContent = await NostrClient.encryptNip04(
-          receiverPubkey as string,
+        const sentEvent = await NostrClient.encryptAndSendDirectMessageNip17(                
+          receiverPubkey as string, 
          content as string,
+          relaysToShareTo
        )

        // log.trace('Relays', relaysToShareTo)

-        const dmEvent: NostrUnsignedEvent = {
-          kind: NostrKinds.EncryptedDirectMessage,
+        /* const dmEvent: NostrUnsignedEvent = {
+          kind: kinds.EncryptedDirectMessage,
          pubkey: senderPubkey,
          tags: [
            ['p', receiverPubkey as string],
@@ -528,7 +529,7 @@ export const TopupScreen: FC<WalletStackScreenProps<'Topup'>> = observer(
        const sentEvent: NostrEvent | undefined = await NostrClient.publish(
          dmEvent,
          relaysToShareTo,
-        )
+        ) */

        setIsNostrDMSending(false)

@@ -1,5 +1,5 @@
 import {observer} from 'mobx-react-lite'
-import React, {FC, useState, useEffect, useCallback, useRef} from 'react'
+import React, {FC, useState, useEffect, useCallback, useRef, ReactElement} from 'react'
 import {useFocusEffect} from '@react-navigation/native'
 import {
  TextStyle,
@@ -34,11 +34,12 @@ import {
  ScanIcon,
  MintIcon
 } from '../components'
+import EventEmitter from '../utils/eventEmitter'
 import {useStores} from '../models'
 import {WalletStackScreenProps} from '../navigation'
 import {Mint, UnitBalance} from '../models/Mint'
 import {MintsByUnit} from '../models/MintsStore'
-import {log, NostrClient} from '../services'
+import {log, NostrClient, WalletTaskResult} from '../services'
 import {Env} from '../utils/envtypes'
 import {Transaction} from '../models/Transaction'
 import {TransactionListItem} from './Transactions/TransactionListItem'
@@ -61,6 +62,7 @@ import { CurrencyAmount } from './Wallet/CurrencyAmount'
 import { LeftProfileHeader } from './ContactsScreen'
 import { NavigationState, Route, TabBar, TabView } from 'react-native-tab-view'
 import { getUnixTime } from 'date-fns/getUnixTime'
+import { delay } from '../utils/utils'

 const deploymentKey = APP_ENV === Env.PROD ? CODEPUSH_PRODUCTION_DEPLOYMENT_KEY : CODEPUSH_STAGING_DEPLOYMENT_KEY
 const PENDING_CHECK_INTERVAL = 30
@@ -70,8 +72,7 @@ interface WalletScreenProps extends WalletStackScreenProps<'Wallet'> {}

 export const WalletScreen: FC<WalletScreenProps> = observer(
  function WalletScreen({route, navigation}) {    
-    const {
-        relaysStore,
+    const {        
        mintsStore, 
        proofsStore, 
        transactionsStore, 
@@ -102,13 +103,13 @@ export const WalletScreen: FC<WalletScreenProps> = observer(
    const [defaultMintUrl, setDefaultMintUrl] = useState<string>(MINIBITS_MINT_URL)
    const [error, setError] = useState<AppError | undefined>()
    const [isLoading, setIsLoading] = useState<boolean>(false)
-    // const [lastClaimCheck, setLastClaimCheck] = useState<number>(0)
-    // const [lastPendingCheck, setLastPendingCheck] = useState<number>(0)
    const [isMintsModalVisible, setIsMintsModalVisible] = useState<boolean>(false)
    const [isUpdateAvailable, setIsUpdateAvailable] = useState<boolean>(false)
    const [isUpdateModalVisible, setIsUpdateModalVisible] = useState<boolean>(false)
    const [isSendModalVisible, setIsSendModalVisible] = useState<boolean>(false)
    const [isReceiveModalVisible, setIsReceiveModalVisible] = useState<boolean>(false)
+    const [headerTitle, setHeaderTitle] = useState<string>('')
+    const [headerStyle, setHeaderStyle] = useState<'success' | 'warning' | 'error'>('success')
    const [updateDescription, setUpdateDescription] = useState<string>('')
    const [updateSize, setUpdateSize] = useState<string>('')
    const [isNativeUpdateAvailable, setIsNativeUpdateAvailable] = useState<boolean>(false)
@@ -188,11 +189,50 @@ export const WalletScreen: FC<WalletScreenProps> = observer(
            const isRemoteDataPushEnabled = walletProfileStore.device ? true : false
            if(!isRemoteDataPushEnabled) {nwcStore.receiveNwcEvents()} 
        }
+
+        const handleReceivedEventTaskResult  = async (result: WalletTaskResult) => {
+            log.trace('[handleReceivedEventTaskResult]')
+            if(result.error) {
+                setHeaderTitle(result.message.slice(0, 20))
+                setHeaderStyle('error')
+                await delay(3000)
+                setHeaderTitle('')
+            } else {
+                setHeaderTitle('Relays connected')
+                setHeaderStyle('success')
+                await delay(3000)
+                setHeaderTitle('')
+            }        
+        }
+
+        const handleClaimTaskResult  = async (result: WalletTaskResult) => {
+            log.trace('[handleClaimTaskResult]')
+            if(result.error) {
+                setHeaderTitle(result.message.slice(0, 20))
+                setHeaderStyle('error')
+                await delay(3000)
+                setHeaderTitle('')
+            } else {
+                setHeaderTitle('Claim completed')
+                setHeaderStyle('success')
+                await delay(3000)
+                setHeaderTitle('')
+            }
+        }
        
        Linking.addEventListener('url', handleDeeplink)
+        EventEmitter.on('ev__handleReceivedEventTask_result', handleReceivedEventTaskResult)
+        EventEmitter.on('ev__handleClaimTask_result', handleClaimTaskResult)
+        
+
        getInitialData()

-        return () => {}
+        // Unsubscribe from the task result event on component unmount
+        return () => {
+            EventEmitter.off('ev__handleReceivedEventTask_result', handleReceivedEventTaskResult)
+            EventEmitter.off('ev__handleClaimTask_result', handleClaimTaskResult)        
+        }
+        
    }, [])


@@ -263,7 +303,7 @@ export const WalletScreen: FC<WalletScreenProps> = observer(

        if (nowInSec - lastClaimCheckRef.current > CLAIM_CHECK_INTERVAL) {
            lastClaimCheckRef.current = nowInSec
-            WalletTask.handleClaim().catch(e => false)
+            WalletTask.handleClaim().catch(e => handleError(e))

            if (userSettingsStore.exchangeCurrency) {
                walletStore.refreshExchangeRate(userSettingsStore.exchangeCurrency)
@@ -506,17 +546,6 @@ export const WalletScreen: FC<WalletScreenProps> = observer(
    const tabWidth = moderateScale(75)

    const getActiveTabColor = (state: NavigationState<Route>) => {
-        /* if(state && state.routes.length > 0) {
-            switch (state.routes[tabIndex].key) {
-                case 'usd':
-                    return useThemeColor('usd')              
-                case 'eur':
-                    return useThemeColor('eur')                 
-                default:
-                    return useThemeColor('btc') 
-            }
-        }*/
-
        return useThemeColor('headerTitle')
    }

@@ -541,6 +570,39 @@ export const WalletScreen: FC<WalletScreenProps> = observer(
            </View>
        )
    }
+
+
+    const HeaderTitle = function (props: any) {
+        if (!isInternetReachable) {
+            return (
+                <Text
+                    tx="common.offline"
+                    style={$warning}
+                    size="xxs"
+                />
+            )
+        }
+    
+        if (headerTitle.length > 0) {
+            const styleMap: Record<string, any> = {
+                error: $error,
+                success: $success,
+                warning: $warning,
+            }
+    
+            const style = styleMap[headerStyle] || undefined
+    
+            return (
+                <Text
+                    text={headerTitle}
+                    style={[style, $headerTitle]}
+                    size="xxs"
+                />
+            )
+        }
+    
+        return undefined
+    }
    
    const headerBg = useThemeColor('header')    
    const balances = proofsStore.getBalances()
@@ -548,7 +610,7 @@ export const WalletScreen: FC<WalletScreenProps> = observer(
    const mainButtonIcon = useThemeColor('mainButtonIcon')
    const mainButtonColor = useThemeColor('card')
    const label = useThemeColor('textDim')
-    const headerTitle = useThemeColor('headerTitle')
+    const headerTitleColor = useThemeColor('headerTitle')

    const isNwcVisible = nwcStore.all.some(c => c.remainingDailyLimit !== c.dailyLimit)
    const nwcCardsData = nwcStore.all.filter(c => c.remainingDailyLimit !== c.dailyLimit)
@@ -560,14 +622,7 @@ export const WalletScreen: FC<WalletScreenProps> = observer(
                    gotoProfile={gotoProfile}
                    isAvatarVisible={false}
                />}                
-                TitleActionComponent={!isInternetReachable ? (
-                        <Text   
-                            tx={'common.offline'}
-                            style={$offline}
-                            size='xxs'                          
-                        />
-                    ) : ( undefined  )
-                }               
+                TitleActionComponent={headerTitle.length > 0 ? <HeaderTitle /> : undefined}               
                RightActionComponent={
                <>
                    {paymentRequestsStore.countNotExpired > 0 && (
@@ -575,8 +630,8 @@ export const WalletScreen: FC<WalletScreenProps> = observer(
                            style={{flexDirection: 'row', alignItems:'center', marginRight: spacing.medium}}
                            onPress={() => gotoPaymentRequests()}
                        >
-                            <Icon icon='faPaperPlane' color={headerTitle}/>
-                            <Text text={`${paymentRequestsStore.countNotExpired}`} style={{color: headerTitle}} />
+                            <Icon icon='faPaperPlane' color={headerTitleColor}/>
+                            <Text text={`${paymentRequestsStore.countNotExpired}`} style={{color: headerTitleColor}} />
                        </Pressable>
                    )}
                </>
@@ -808,25 +863,6 @@ const UnitBalanceBlock = observer(function (props: {
 })


-const ZeroBalanceBlock = function () {
-    const headerBg = useThemeColor('header')
-    const balanceColor = 'white'
-    const currencyColor = colors.palette.primary200
-    
-
-    return (
-        <View style={[$headerContainer, {backgroundColor: headerBg}]}>
-            <Text                
-                preset='heading'              
-                style={[$unitBalance, {color: balanceColor}]}            
-                text={'0'}
-            />
-        </View>
-    )
-}
-
-
-
 const MintsByUnitSummary = observer(function (props: {
    mintsByUnit: MintsByUnit    
    navigation: any
@@ -1138,12 +1174,23 @@ const $bottomModal: ViewStyle = {
 }


-const $offline: TextStyle = {
+const $headerTitle: TextStyle = {
    paddingHorizontal: spacing.small,
    borderRadius: spacing.tiny,
    alignSelf: 'center',
    marginVertical: spacing.small,
-    lineHeight: spacing.medium,    
-    backgroundColor: colors.palette.orange400,
+    lineHeight: spacing.medium,
    color: 'white'
 }
+
+const $warning: TextStyle = {
+    backgroundColor: colors.palette.orange400,
+}
+
+const $error: TextStyle = {
+    backgroundColor: colors.palette.angry300,
+}
+
+const $success: TextStyle = {
+    backgroundColor: colors.palette.success200,
+}
@@ -1,9 +1,10 @@
 import * as _Keychain from 'react-native-keychain'
 import AppError, {Err} from '../utils/AppError'
 import QuickCrypto from 'react-native-quick-crypto'
-import { generateNewMnemonic } from '@cashu/cashu-ts'
+import { generateMnemonic as generateNewMnemonic, mnemonicToSeedSync } from "@scure/bip39"
+import { wordlist } from "@scure/bip39/wordlists/english"
 import { bytesToHex } from '@noble/hashes/utils'
-import { generateSecretKey, getPublicKey } from 'nostr-tools'
+import { generateSecretKey, getPublicKey } from 'nostr-tools/pure'
 import {btoa, fromByteArray} from 'react-native-quick-base64'
 import {log} from './logService'

@@ -37,11 +38,11 @@ const generateMnemonic = function () {
    try {
        log.trace('[generateMnemonic]', 'start')

-        const mnemonic = generateNewMnemonic()
+        const mnemonic = generateNewMnemonic(wordlist)

-        log.trace('[generateMnemonic]', 'New mnemonic created:', mnemonic)
+        log.trace('[generateMnemonic]', 'New mnemonic created:', {mnemonic})

-        return mnemonic as string
+        return mnemonic
    } catch (e: any) {
      throw new AppError(Err.KEYCHAIN_ERROR, e.message, e)
    }
@@ -2,7 +2,6 @@ import { decode } from "@gandlaf21/bolt11-decode"
 import AppError, { Err } from '../../utils/AppError'
 import { addSeconds } from 'date-fns'
 import { log } from '../logService'
-import numbro from "numbro"
 import { roundUp, toNumber } from "../../utils/number"

 // TODO refactor all this into own module
@@ -1,12 +1,9 @@
-import type { Event as NostrEvent, UnsignedEvent as NostrUnsignedEvent } from 'nostr-tools/core' 
-import { validateEvent, finalizeEvent } from 'nostr-tools'
+import type { EventTemplate as NostrEventTemplate, Event as NostrEvent, UnsignedEvent as NostrUnsignedEvent } from 'nostr-tools/core' 
 import type { Filter as NostrFilter } from 'nostr-tools/filter'
-import { nip19 } from 'nostr-tools'
-import { nip04 } from 'nostr-tools'
-import { utils as NostrUtils } from 'nostr-tools'
-import { SimplePool } from 'nostr-tools'
+import { nip04, nip19, nip59, finalizeEvent, validateEvent, utils } from 'nostr-tools'
+import {SimplePool} from 'nostr-tools'
 import { hexToBytes } from '@noble/hashes/utils'
-import { kinds as NostrKinds } from 'nostr-tools'
+import { kinds } from 'nostr-tools'
 import {
    MINIBITS_RELAY_URL,    
 } from '@env'
@@ -17,6 +14,7 @@ import { MinibitsClient } from './minibitsService'
 import { rootStoreInstance } from '../models'
 import { WalletTask } from './walletService'

+
 export {     
    NostrEvent, 
    NostrFilter,     
@@ -171,6 +169,65 @@ const decryptNip04 = async function(
 }


+const encryptAndSendDirectMessageNip17 = async function (
+    recipientPublicKey: string,
+    message: string,
+    relays: string[]    
+) {
+
+    const  keys: KeyPair = await getOrCreateKeyPair()
+    const directMessageEvent: NostrEventTemplate = {
+        created_at: Math.ceil(Date.now() / 1000),
+        kind: kinds.PrivateDirectMessage,
+        tags: [['p', recipientPublicKey], ['from', walletProfileStore.nip05]],
+        content: message,
+    }
+
+    // log.trace('[sendDirectMessageNip17]', {directMessageEvent})
+
+    // already signed final event
+    const wrappedEvent = nip59.wrapEvent(
+        directMessageEvent, 
+        hexToBytes(keys.privateKey), 
+        recipientPublicKey
+    )
+
+    // log.trace('[sendDirectMessageNip17]', {wrappedEvent})
+
+    const pool = getRelayPool()
+    await Promise.any(pool.publish(relays, wrappedEvent))    
+
+    const published = await pool.get(relays, {
+        ids: [wrappedEvent.id]
+    }) as NostrEvent
+    
+    if(published) {
+        log.trace('[NostrClient.publish] Event successfully published')        
+        return published
+    }
+    
+    return undefined 
+}
+
+
+const decryptDirectMessageNip17 = async function (
+    wrappedEvent: NostrEvent
+) {    
+    const  keys: KeyPair = await getOrCreateKeyPair()
+    
+    // log.trace('[decryptDirectMessageNip59]', {keys}) 
+
+    const decryptedEvent = nip59.unwrapEvent(
+        wrappedEvent,
+        hexToBytes(keys.privateKey)
+    )
+
+    log.trace('[decryptDirectMessageNip59]', {decryptedEvent})
+
+    return decryptedEvent
+}
+
+
 const publish = async function (
    event: NostrUnsignedEvent,
    relays: string[],    
@@ -178,11 +235,6 @@ const publish = async function (

    const  keys: KeyPair = await getOrCreateKeyPair()    
    
-    /* const signed = {...event} as NostrEvent
-    signed.created_at = Math.floor(Date.now() / 1000) 
-    signed.id = getEventHash(signed)    
-    signed.sig = getSignature(signed, keys.privateKey) */
-    
    const privateKeyBytes = hexToBytes(keys.privateKey)
    const finalEvent = finalizeEvent(event, privateKeyBytes)

@@ -325,7 +377,7 @@ const getProfileFromRelays = async function (pubkey: string, relays: string[]):
    // get profile from the relays for pubkey linked to nip05
    const filter: NostrFilter = {
        authors: [pubkey],
-        kinds: [NostrKinds.Metadata],            
+        kinds: [kinds.Metadata],            
    }

    const events = await NostrClient.getEvents(relays, filter)
@@ -435,7 +487,7 @@ const deleteKeyPair = async function (): Promise<void> {

 const getNormalizedRelayUrl = function (url: string): string {
    try {
-        return NostrUtils.normalizeURL(url)
+        return utils.normalizeURL(url)
    } catch (e: any) {
        throw new AppError(Err.VALIDATION_ERROR, `Invalid relay URL: ${e.message}`)
    }
@@ -443,13 +495,11 @@ const getNormalizedRelayUrl = function (url: string): string {


 // returns array of values after the first element (tag name)
-const getTagsByName = function(tagsArray: string[][], tagName: string) {
-    let tagValues = tagsArray.find(t => t && t.length && t.length >= 2 && t[0] === tagName)
-    if(tagValues && tagValues.length > 1) {
-        tagValues.shift() // remove tag name
-        return tagValues
+const getTagsByName = function(tagsArray: string[][], tagName: string): string[] | undefined {
+    const tag = tagsArray.find(t => t && t.length >= 2 && t[0] === tagName);
+    if (tag) {
+        return tag.slice(1) // Return a copy of the array without modifying the original
    }
-
    return undefined
 }

@@ -497,6 +547,8 @@ export const NostrClient = { // TODO split helper functions to separate module
    neventEncode,
    encryptNip04,
    decryptNip04,
+    encryptAndSendDirectMessageNip17,
+    decryptDirectMessageNip17,
    getDomainFromNip05,
    getNameFromNip05,
    publish,   
@@ -1,6 +1,6 @@
 import {isBefore} from 'date-fns'
 import {getSnapshot} from 'mobx-state-tree'
-import { kinds as NostrKinds } from 'nostr-tools'
+import { kinds } from 'nostr-tools'
 import {log} from './logService'
 import {Proof} from '../models/Proof'
 import {
@@ -12,7 +12,7 @@ import {CashuProof, CashuUtils} from './cashu/cashuUtils'
 import {LightningUtils} from './lightning/lightningUtils'
 import AppError, {Err} from '../utils/AppError'
 import {MintBalance, MintProofsCounter, MintStatus} from '../models/Mint'
-import {CheckStateEnum, MeltQuoteResponse, MintQuoteState, Token, getDecodedToken, getEncodedToken} from '@cashu/cashu-ts'
+import {MeltQuoteResponse, MintQuoteState, Token, getDecodedToken, getEncodedToken} from '@cashu/cashu-ts'
 import {Mint} from '../models/Mint'
 import {pollerExists, stopPolling} from '../utils/poller'
 import { NostrClient, NostrEvent, NostrProfile } from './nostrService'
@@ -31,7 +31,7 @@ import { NotificationService } from './notificationService'
 import { MintUnit, formatCurrency, getCurrency } from './wallet/currency'
 import { MinibitsClient } from './minibitsService'
 import { getKeepAmounts } from '@cashu/cashu-ts/src/utils'
-import { keys } from 'mobx'
+import { KeyChain } from './keyChain'


 /**
@@ -1396,41 +1396,41 @@ const handleClaim = async function (): Promise<void> {
    
    log.info('[handleClaim] start')
    const {walletId, seedHash, pubkey} = walletProfileStore
-    const {isBatchClaimOn} = userSettingsStore
-    let recoveredWalletId: string | null = null
+    const {isBatchClaimOn} = userSettingsStore    
+    let recoveredSeedHash: string | undefined = undefined    

-    if(!seedHash || !pubkey) {
-        throw new AppError(
-            Err.VALIDATION_ERROR, 
-            'Skipping claim of ecash received to your lightning address, missing profile data. Reinstall wallet to fix it.', 
-            {walletId, seedHash, pubkey}
-        )
+    // If we somehow lost walletProfile state, try to recover is from the server using the seedHash stored in KeyChain
+    if(!seedHash) {
+        recoveredSeedHash = await KeyChain.loadSeedHash()
+
+        if(!recoveredSeedHash) {
+            throw new AppError(Err.VALIDATION_ERROR, 'Wallet data were damaged, please reinstall wallet.')
+        }
    }

-    if(!walletId) {
-        // fix immediately in case only walletId missing in walletProfile
-        const profile = await MinibitsClient.getWalletProfileBySeedHash(seedHash)
+    if(!walletId || !pubkey) {
+        // recover profile from the server       
+        const profile = await MinibitsClient.getWalletProfileBySeedHash(seedHash || recoveredSeedHash!)

        if(profile) {
-            recoveredWalletId = profile.walletId
-            walletProfileStore.setWalletId(recoveredWalletId)
+            walletProfileStore.hydrate(profile)
        }
    }

    // Based on user setting, ask for batched token if more then 5 payments are waiting to be claimed
    const claimedTokens = await MinibitsClient.createClaim(
-        walletId || recoveredWalletId as string,
-        seedHash, 
-        pubkey,
+        walletProfileStore.walletId,
+        walletProfileStore.seedHash as string, 
+        walletProfileStore.pubkey,
        isBatchClaimOn ? 5 : undefined
    )

    if(claimedTokens.length === 0) {
        log.debug('[handleClaim] No claimed invoices returned from the server...')
        return
-    } else {
-        log.debug(`[handleClaim] Claimed ${claimedTokens.length} tokens from the server...`)
    }
+    
+    log.debug(`[handleClaim] Claimed ${claimedTokens.length} tokens from the server...`)    

    for(const claimedToken of claimedTokens) {
        const now = new Date().getTime()
@@ -1534,7 +1534,7 @@ const _sendTopupNotification = async function (pr: PaymentRequest) {
 * Checks with NOSTR relays whether there is ecash to be received or an invoice to be paid.
 */
 const receiveEventsFromRelays = async function (): Promise<void> {
-    log.trace('[receiveEventsFromRelays] start')
+    log.trace('[receiveEventsFromRelays] starting listening for events')

    if(!walletProfileStore.pubkey) {
        const message = `No wallet profile created.`            
@@ -1544,12 +1544,15 @@ const receiveEventsFromRelays = async function (): Promise<void> {
    
    try {            
        const { lastPendingReceivedCheck } = contactsStore
+        const TWO_DAYS = 2 * 24 * 60 * 60

        const filter = {            
-            kinds: [NostrKinds.EncryptedDirectMessage],
+            kinds: [kinds.GiftWrap],
            "#p": [walletProfileStore.pubkey],
-            since: lastPendingReceivedCheck || 0
-        }
+            since: lastPendingReceivedCheck ?  lastPendingReceivedCheck - TWO_DAYS : 0 
+        } // 2 days variance to the past from real event created_at for dm sent as gift wraps
+
+        log.trace('[receiveEventsFromRelays]', {filter})

        contactsStore.setLastPendingReceivedCheck()         
        const pool = NostrClient.getRelayPool()
@@ -1585,8 +1588,9 @@ const receiveEventsFromRelays = async function (): Promise<void> {
                
                eventsBatch.push(event)
                contactsStore.addReceivedEventId(event.id)
+                
                // move window to receive events to the last event created_at to avoid recive it again
-                contactsStore.setLastPendingReceivedCheck(event.created_at)
+                // contactsStore.setLastPendingReceivedCheck(event.created_at)

                const now = new Date().getTime()
                SyncQueue.addTask(       
@@ -1617,192 +1621,204 @@ const receiveEventsFromRelays = async function (): Promise<void> {
    }
 }

-const _handleReceivedEventTask = async function (event: NostrEvent): Promise<WalletTaskResult> {
-    // decrypt message content
-    const decrypted = await NostrClient.decryptNip04(event.pubkey, event.content)
+const _handleReceivedEventTask = async function (wrappedEvent: NostrEvent): Promise<WalletTaskResult> {    
+    try {
+        const decryptedDirectMessageEvent = await NostrClient.decryptDirectMessageNip17(wrappedEvent)
+        // set REAL direct message created_at as the lastPendingReceivedCheck
+        contactsStore.setLastPendingReceivedCheck(decryptedDirectMessageEvent.created_at)    

-    log.trace('[_handleReceivedEventTask]', 'Received event', {id: event.id, created_at: event.created_at})
-    
-    // get sender profile and save it as a contact
-    // this is not valid for events sent from LNURL bridge, that are sent and signed by a minibits server key
-    // and *** do not contain sentFrom *** // LEGACY, replaced by claim api
-    let sentFromPubkey = event.pubkey
-    let sentFrom = NostrClient.getFirstTagValue(event.tags, 'from')
-    let sentFromNpub = NostrClient.getNpubkey(sentFromPubkey)
-    let contactFrom: Contact | undefined = undefined
-    let zapSenderProfile: NostrProfile | undefined = undefined 
-    let sentFromPicture: string | undefined = undefined          
-
-    // add ecash sender to the contacts
-    if(sentFrom) {
-        const sentFromName = NostrClient.getNameFromNip05(sentFrom as string)                                  
+        log.trace('[_handleReceivedEventTask]', 'Received event', {decryptedDirectMessageEvent})
        
-        if(sentFrom.includes(MINIBITS_NIP05_DOMAIN)) {
-            sentFromPicture = MINIBITS_SERVER_API_HOST + '/profile/avatar/' + sentFromPubkey
-        }
+        // get sender profile and save it as a contact
+        // this is not valid for events sent from LNURL bridge, that are sent and signed by a minibits server key
+        // and *** do not contain sentFrom *** // LEGACY, replaced by claim api
+        let sentFromPubkey = decryptedDirectMessageEvent.pubkey
+        let sentFrom = NostrClient.getFirstTagValue(decryptedDirectMessageEvent.tags, 'from')
+        let sentFromNpub = NostrClient.getNpubkey(sentFromPubkey)
+        let contactFrom: Contact | undefined = undefined
+        let zapSenderProfile: NostrProfile | undefined = undefined 
+        let sentFromPicture: string | undefined = undefined          

-        // we skip retrieval of external nostr profiles to minimize failures
-        // external contacts will thus miss image and lud16 address...
-                            
-        contactFrom = {                        
-            pubkey: sentFromPubkey,
-            npub: sentFromNpub,
-            nip05: sentFrom,
-            lud16: sentFrom.includes(MINIBITS_NIP05_DOMAIN) ? sentFrom : undefined,
-            name: sentFromName || undefined,
-            picture: sentFromPicture || undefined,
-            isExternalDomain: sentFrom.includes(MINIBITS_NIP05_DOMAIN) ? false : true                        
-        } as Contact
-        
-        contactsStore.addContact(contactFrom)        
-    } else {
-        // Event was sent from Minibits server
-        const maybeZapSenderString = _extractZapSenderData(decrypted)
-
-        if(maybeZapSenderString) {
-            try {
-                zapSenderProfile = JSON.parse(maybeZapSenderString)            
-
-                if(zapSenderProfile) {
-                    sentFromPubkey = zapSenderProfile.pubkey // zap sender pubkey                
-                    sentFrom = zapSenderProfile.nip05 ?? zapSenderProfile.name                
-                    sentFromPicture = zapSenderProfile.picture
-                    const sentFromLud16 = zapSenderProfile.lud16
-                            
-                    // if we have such contact, set or update its lightning address by the one from profile
-                    const contactInstance = contactsStore.findByPubkey(sentFromPubkey)
-                    if(contactInstance && sentFromLud16) {                                        
-                        contactInstance.setLud16(sentFromLud16)
-                    }
-                }            
-            } catch (e: any) {
-                log.warn('[_handleReceivedEventTask]', 'Could not get sender from zapRequest', {message: e.message, maybeZapSenderString})
-            }
-        }
-    }
-
-    // parse incoming message
-    const incoming = IncomingParser.findAndExtract(decrypted)
-
-    log.trace('[_handleReceivedEventTask]', 'Incoming data', {incoming})
-
-    //
-    // Receive token start
-    //
-    if(incoming.type === IncomingDataType.CASHU) {
-
-        const decoded = getDecodedToken(incoming.encoded)
-        const amountToReceive = CashuUtils.getProofsAmount(decoded.proofs)        
-        const memo = decoded.memo || 'Received over Nostr'
-
-        const {transaction, receivedAmount} = await receiveTask(
-            decoded,
-            amountToReceive,
-            memo,
-            incoming.encoded as string,
-        )
-
-        // store contact or zapseder in tx details
-        if(transaction && sentFrom) {
-            if (contactFrom) {
-                transaction.setProfile(JSON.stringify(contactFrom))
-                transaction.setSentFrom(sentFrom)
-            }
-    
-            if (zapSenderProfile) {
-                transaction.setProfile(JSON.stringify(zapSenderProfile))
-                transaction.setSentFrom(sentFrom)
+        // add ecash or pr sender to the contacts
+        if(sentFrom) {
+            const sentFromName = NostrClient.getNameFromNip05(sentFrom as string)                                  
+            
+            if(sentFrom.includes(MINIBITS_NIP05_DOMAIN)) {
+                sentFromPicture = MINIBITS_SERVER_API_HOST + '/profile/avatar/' + sentFromPubkey
            }

-            const isZap = zapSenderProfile ? true : false
+            // we skip retrieval of external nostr profiles to minimize failures
+            // external contacts will thus miss image and lud16 address...
+                                
+            contactFrom = {                        
+                pubkey: sentFromPubkey,
+                npub: sentFromNpub,
+                nip05: sentFrom,
+                lud16: sentFrom.includes(MINIBITS_NIP05_DOMAIN) ? sentFrom : undefined,
+                name: sentFromName || undefined,
+                picture: sentFromPicture || undefined,
+                isExternalDomain: sentFrom.includes(MINIBITS_NIP05_DOMAIN) ? false : true                        
+            } as Contact
+            
+            contactsStore.addContact(contactFrom)        
+        } else {
+            // Event was sent from Minibits server
+            const maybeZapSenderString = _extractZapSenderData(decryptedDirectMessageEvent.content)

-            // We do it defensively only after cash is received
-            // and asynchronously so we speed up queue
-            _sendReceiveNotification(
-                receivedAmount,
-                transaction.unit,
-                isZap,
-                sentFrom,
-                sentFromPicture                
-            ) // TODO move to task result handler
+            if(maybeZapSenderString) {
+                try {
+                    zapSenderProfile = JSON.parse(maybeZapSenderString)            
+
+                    if(zapSenderProfile) {
+                        sentFromPubkey = zapSenderProfile.pubkey // zap sender pubkey                
+                        sentFrom = zapSenderProfile.nip05 ?? zapSenderProfile.name                
+                        sentFromPicture = zapSenderProfile.picture
+                        const sentFromLud16 = zapSenderProfile.lud16
+                                
+                        // we do not add zappers to contacts but if we have such contact, set or update its lightning address by the one from profile
+                        const contactInstance = contactsStore.findByPubkey(sentFromPubkey)
+                        if(contactInstance && sentFromLud16) {                                        
+                            contactInstance.setLud16(sentFromLud16)
+                        }
+                    }            
+                } catch (e: any) {
+                    log.warn('[_handleReceivedEventTask]', 'Could not get sender from zapRequest', {message: e.message, maybeZapSenderString})
+                }
+            }
        }

-        return {
-            mintUrl: decoded.mint,
-            taskFunction: '_handleReceivedEventTask',
-            message: 'Incoming ecash token has been received.',
-            proofsCount: decoded.proofs.length,
-            proofsAmount: receivedAmount,
-            notificationInputs: {
-                event,
-                decrypted,
-                transaction,
-                receivedAmount
-            } // not used`
-        } as WalletTaskResult                  
-    }
+        // parse incoming message
+        const incoming = IncomingParser.findAndExtract(decryptedDirectMessageEvent.content)

-    //
-    // Receive bolt11 invoice start
-    //
-    if (incoming.type === IncomingDataType.INVOICE) {
-        // receiver is current wallet profile
-        const {
-            pubkey,
-            npub,
-            name,
-            picture,
-        } = walletProfileStore
+        log.trace('[_handleReceivedEventTask]', 'Incoming data', {incoming})

-        const contactTo: Contact = {
-            pubkey,
-            npub,
-            name,
-            picture
-        }                    
-        
-        const decoded = LightningUtils.decodeInvoice(incoming.encoded)
-        const {
-            amount, 
-            description, 
-            expiry, 
-            payment_hash: paymentHash, 
-            timestamp
-        } = LightningUtils.getInvoiceData(decoded)
-        
-        const maybeMemo = NostrClient.findMemo(decrypted)
-        
-        const paymentRequest = paymentRequestsStore.addPaymentRequest({
-            type: PaymentRequestType.INCOMING,
-            status: PaymentRequestStatus.ACTIVE,                            
-            encodedInvoice: incoming.encoded,
-            invoicedUnit: 'sat', // bolt11
-            invoicedAmount: amount || 0,            
-            description: maybeMemo ? maybeMemo : description,                            
-            paymentHash,
-            contactFrom: contactFrom || {pubkey: sentFromPubkey, npub: sentFromNpub},
-            contactTo,                        
-            expiry,
-            createdAt: timestamp ? new Date(timestamp * 1000) : new Date()
-        })        
+        //
+        // Receive token start
+        //
+        if(incoming.type === IncomingDataType.CASHU) {

-        _sendPaymentRequestNotification(paymentRequest)
+            const decoded = getDecodedToken(incoming.encoded)
+            const amountToReceive = CashuUtils.getProofsAmount(decoded.proofs)        
+            const memo = decoded.memo || 'Received over Nostr'
+
+            const {transaction, receivedAmount} = await receiveTask(
+                decoded,
+                amountToReceive,
+                memo,
+                incoming.encoded as string,
+            )
+
+            // store contact or zapseder in tx details
+            if(transaction && sentFrom) {
+                if (contactFrom) {
+                    transaction.setProfile(JSON.stringify(contactFrom))
+                    transaction.setSentFrom(sentFrom)
+                }
        
+                if (zapSenderProfile) {
+                    transaction.setProfile(JSON.stringify(zapSenderProfile))
+                    transaction.setSentFrom(sentFrom)
+                }
+
+                const isZap = zapSenderProfile ? true : false
+
+                // We do it defensively only after cash is received
+                // and asynchronously so we speed up queue
+                _sendReceiveNotification(
+                    receivedAmount,
+                    transaction.unit,
+                    isZap,
+                    sentFrom,
+                    sentFromPicture                
+                ) // TODO move to task result handler
+            }
+
+            return {
+                mintUrl: decoded.mint,
+                taskFunction: '_handleReceivedEventTask',
+                message: 'Incoming ecash token has been received.',
+                proofsCount: decoded.proofs.length,
+                proofsAmount: receivedAmount,
+                notificationInputs: {
+                    event: decryptedDirectMessageEvent,
+                    decrypted: decryptedDirectMessageEvent.content,
+                    transaction,
+                    receivedAmount
+                } // not used`
+            } as WalletTaskResult                  
+        }
+
+        //
+        // Receive bolt11 invoice start
+        //
+        else if (incoming.type === IncomingDataType.INVOICE) {
+            // receiver is current wallet profile
+            const {
+                pubkey,
+                npub,
+                name,
+                picture,
+            } = walletProfileStore
+
+            const contactTo: Contact = {
+                pubkey,
+                npub,
+                name,
+                picture
+            }                    
+            
+            const decoded = LightningUtils.decodeInvoice(incoming.encoded)
+            const {
+                amount, 
+                description, 
+                expiry, 
+                payment_hash: paymentHash, 
+                timestamp
+            } = LightningUtils.getInvoiceData(decoded)
+            
+            const maybeMemo = NostrClient.findMemo(decryptedDirectMessageEvent.content)
+            
+            const paymentRequest = paymentRequestsStore.addPaymentRequest({
+                type: PaymentRequestType.INCOMING,
+                status: PaymentRequestStatus.ACTIVE,                            
+                encodedInvoice: incoming.encoded,
+                invoicedUnit: 'sat', // bolt11
+                invoicedAmount: amount || 0,            
+                description: maybeMemo ? maybeMemo : description,                            
+                paymentHash,
+                contactFrom: contactFrom || {pubkey: sentFromPubkey, npub: sentFromNpub},
+                contactTo,                        
+                expiry,
+                createdAt: timestamp ? new Date(timestamp * 1000) : new Date()
+            })        
+
+            _sendPaymentRequestNotification(paymentRequest)
+            
+            return {
+                mintUrl: '',
+                taskFunction: '_handleReceivedEventTask',
+                message: 'Incoming payment request been received.',
+                proofsCount: 0,
+                proofsAmount: amount,
+                paymentRequest            
+            } as WalletTaskResult
+        }
+            
+        else if (incoming.type === IncomingDataType.LNURL) {
+            throw new AppError(Err.NOTFOUND_ERROR, 'LNURL support is not yet implemented.', {caller: '_handleReceivedEventTask'})
+        } else {
+            throw new AppError(Err.NOTFOUND_ERROR, 'Received unknown message', incoming)
+        }
+    } catch (e: any) {
+        log.error('[_handleReceivedEventTask]', e.name, e.message)
+
        return {
            mintUrl: '',
-            taskFunction: '_processReceiveEvent',
-            message: 'Incoming payment request been received.',
-            proofsCount: 0,
-            proofsAmount: amount,
-            paymentRequest            
-        } 
+            taskFunction: '_handleReceivedEventTask',
+            message: e.message,
+            error: WalletUtils.formatError(e)                  
+        } as WalletTaskResult
    }
-        
-    if (incoming.type === IncomingDataType.LNURL) {
-        throw new AppError(Err.NOTFOUND_ERROR, 'LNURL support is not yet implemented.', {caller: '_handleReceivedEventTask'})
-    }                      
-        
-    throw new AppError(Err.NOTFOUND_ERROR, 'Received unknown message', incoming)
 }


@@ -224,6 +224,13 @@ __metadata:
  languageName: node
  linkType: hard

+"@babel/helper-plugin-utils@npm:^7.18.9":
+  version: 7.25.9
+  resolution: "@babel/helper-plugin-utils@npm:7.25.9"
+  checksum: e19ec8acf0b696756e6d84531f532c5fe508dce57aa68c75572a77798bd04587a844a9a6c8ea7d62d673e21fdc174d091c9097fb29aea1c1b49f9c6eaa80f022
+  languageName: node
+  linkType: hard
+
 "@babel/helper-remap-async-to-generator@npm:^7.18.9, @babel/helper-remap-async-to-generator@npm:^7.24.7, @babel/helper-remap-async-to-generator@npm:^7.25.0":
  version: 7.25.0
  resolution: "@babel/helper-remap-async-to-generator@npm:7.25.0"
@@ -432,6 +439,18 @@ __metadata:
  languageName: node
  linkType: hard

+"@babel/plugin-proposal-export-namespace-from@npm:^7.18.9":
+  version: 7.18.9
+  resolution: "@babel/plugin-proposal-export-namespace-from@npm:7.18.9"
+  dependencies:
+    "@babel/helper-plugin-utils": ^7.18.9
+    "@babel/plugin-syntax-export-namespace-from": ^7.8.3
+  peerDependencies:
+    "@babel/core": ^7.0.0-0
+  checksum: 84ff22bacc5d30918a849bfb7e0e90ae4c5b8d8b65f2ac881803d1cf9068dffbe53bd657b0e4bc4c20b4db301b1c85f1e74183cf29a0dd31e964bd4e97c363ef
+  languageName: node
+  linkType: hard
+
 "@babel/plugin-proposal-nullish-coalescing-operator@npm:^7.13.8, @babel/plugin-proposal-nullish-coalescing-operator@npm:^7.18.0":
  version: 7.18.6
  resolution: "@babel/plugin-proposal-nullish-coalescing-operator@npm:7.18.6"
@@ -9439,6 +9458,7 @@ __metadata:
  resolution: "minibits_wallet@workspace:."
  dependencies:
    "@babel/core": ^7.20.0
+    "@babel/plugin-proposal-export-namespace-from": ^7.18.9
    "@babel/preset-env": ^7.20.0
    "@babel/runtime": ^7.20.0
    "@cashu/cashu-ts": "minibits-cash/cashu-ts#2b51a7ba7a8461a0040359eecda37b98b603692c"
@@ -9483,7 +9503,7 @@ __metadata:
    mobx: ^6.13.2
    mobx-react-lite: ^4.0.7
    mobx-state-tree: ^6.0.1
-    nostr-tools: 2.9.4
+    nostr-tools: "minibits-cash/nostr-tools#2991f59d0150a0cb2c71e2f9a4cb6c8aca3b19d7"
    numbro: ^2.5.0
    patch-package: ^8.0.0
    postinstall-postinstall: ^2.1.0
@@ -9870,9 +9890,9 @@ __metadata:
  languageName: node
  linkType: hard

-"nostr-tools@npm:2.9.4":
-  version: 2.9.4
-  resolution: "nostr-tools@npm:2.9.4"
+"nostr-tools@minibits-cash/nostr-tools#2991f59d0150a0cb2c71e2f9a4cb6c8aca3b19d7":
+  version: 2.10.4
+  resolution: "nostr-tools@https://github.com/minibits-cash/nostr-tools.git#commit=2991f59d0150a0cb2c71e2f9a4cb6c8aca3b19d7"
  dependencies:
    "@noble/ciphers": ^0.5.1
    "@noble/curves": 1.2.0
@@ -9880,7 +9900,7 @@ __metadata:
    "@scure/base": 1.1.1
    "@scure/bip32": 1.3.1
    "@scure/bip39": 1.2.1
-    nostr-wasm: v0.1.0
+    nostr-wasm: 0.1.0
  peerDependencies:
    typescript: ">=5.0.0"
  dependenciesMeta:
@@ -9889,11 +9909,11 @@ __metadata:
  peerDependenciesMeta:
    typescript:
      optional: true
-  checksum: 5c4138baaf78b67136f0387b4f1e1abcea82372e5ee80bf3ce69d6d716520a5e16f1665ad9992777fad12068ce333216aa8117b0ae5aaacb062cfd260feb4734
+  checksum: c5b9871649eef2479e23026f41a3d771bbd879bd54bd60f226eb547bb85e03e411023a756dbbb24966cf0d00bfb3541fc7ca502e1b71a2844fffa55024214462
  languageName: node
  linkType: hard

-"nostr-wasm@npm:v0.1.0":
+"nostr-wasm@npm:0.1.0":
  version: 0.1.0
  resolution: "nostr-wasm@npm:0.1.0"
  checksum: c0b404912d47c98efa69b4838a5bb7b2094c869b1aa2a96359c978c911878e9b37228296ef6432254815c9d15cdeebaa16b6d45106db4f3673bb5a6a00cc669c