Implement breez lightning address

app/components/set-default-account-modal/set-default-account-modal.tsx

@@ -10,7 +10,10 @@ import { useBreez } from "@app/hooks"
 import { useApolloClient } from "@apollo/client"
 import { useI18nContext } from "@app/i18n/i18n-react"
 import { useNavigation } from "@react-navigation/native"
-import { useSetDefaultAccountModalQuery } from "@app/graphql/generated"
+import {
+  useAccountUpdateDefaultWalletIdMutation,
+  useSetDefaultAccountModalQuery,
+} from "@app/graphql/generated"
 import { usePersistentStateContext } from "@app/store/persistent-state"
 
 // utils
@@ -34,17 +37,23 @@ export const SetDefaultAccountModal = ({ isVisible, toggleModal }: Props) => {
   const { LL } = useI18nContext()
   const { btcWallet } = useBreez()
   const { updateState } = usePersistentStateContext()
+  const [updateDefaultWalletId] = useAccountUpdateDefaultWalletIdMutation()
 
   const { data } = useSetDefaultAccountModalQuery({
     fetchPolicy: "cache-only",
   })
   const usdWallet = getUsdWallet(data?.me?.defaultAccount?.wallets)
 
-  const onPressHandler = (currency: string) => {
+  const onPressHandler = async (currency: string) => {
     let defaultWallet = usdWallet
     if (currency === "BTC") {
       defaultWallet = btcWallet
     }
+    if (defaultWallet?.id) {
+      await updateDefaultWalletId({
+        variables: { input: { walletId: defaultWallet.id } },
+      })
+    }
     updateState((state: any) => {
       if (state)
         return {

app/contexts/BreezContext.tsx

@@ -1,9 +1,19 @@
 import React, { createContext, useEffect, useRef, useState } from "react"
-import { WalletCurrency } from "@app/graphql/generated"
+import { useUpdateExternalWalletMutation, WalletCurrency } from "@app/graphql/generated"
 import { usePersistentStateContext } from "@app/store/persistent-state"
 import { Alert, Platform } from "react-native"
 import { v4 as uuidv4 } from "uuid"
-import { initializeBreezSDK, getInfo, handleSparkMigration } from "@app/utils/breez-sdk"
+import {
+  initializeBreezSDK,
+  getInfo,
+  handleSparkMigration,
+  registerLightningAddress,
+  getLightningAddress,
+  checkLightningAddressAvailable,
+} from "@app/utils/breez-sdk"
+import { useAppConfig } from "@app/hooks/use-app-config"
+import { useAddressScreenQuery } from "@app/graphql/generated"
+import { useIsAuthed } from "@app/graphql/is-authed-context"
 import SparkMigrationModal from "@app/components/spark-migration-modal"
 
 type BtcWallet = {
@@ -34,6 +44,14 @@ type Props = {
 
 export const BreezProvider = ({ children }: Props) => {
   const { persistentState, updateState } = usePersistentStateContext()
+  const { appConfig } = useAppConfig()
+  const isAuthed = useIsAuthed()
+  const { data: meData } = useAddressScreenQuery({
+    fetchPolicy: "cache-first",
+    skip: !isAuthed,
+  })
+  const [updateExternalWallet] = useUpdateExternalWalletMutation()
+
   const [loading, setLoading] = useState(false)
   const [btcWallet, setBtcWallet] = useState<BtcWallet>({
     id: "",
@@ -94,17 +112,16 @@ export const BreezProvider = ({ children }: Props) => {
     if (updatingBalanceRef.current) return
     updatingBalanceRef.current = true
     try {
-      const balanceSats = await getInfo()
-      setBtcWallet({
-        id: uuidv4(),
-        walletCurrency: WalletCurrency.Btc,
-        balance: balanceSats,
-      })
+      const walletInfo = await getInfo()
+      setBtcWallet((prev) => ({
+        ...prev,
+        balance: Number(walletInfo.balanceSats),
+      }))
       updateState((state: any) => {
         if (state)
           return {
             ...state,
-            breezBalance: balanceSats,
+            breezBalance: Number(walletInfo.balanceSats),
           }
         return undefined
       })
@@ -113,6 +130,49 @@ export const BreezProvider = ({ children }: Props) => {
     }
   }
 
+  const updateExternalWalletLnurlp = async (lnurlp: string) => {
+    const externalWalletRes = await updateExternalWallet({
+      variables: { input: { lnurlp } },
+    })
+    console.log("Update External Wallet Response: ", externalWalletRes)
+    const walletId = externalWalletRes.data?.updateExternalWallet.walletId
+    if (walletId) {
+      setBtcWallet((prev) => ({
+        ...prev,
+        id: walletId,
+      }))
+    }
+  }
+
+  const ensureLightningAddress = async () => {
+    const username = meData?.me?.username
+    if (!username) return
+
+    try {
+      const existing = await getLightningAddress()
+      console.log("BREEZ LIGHTNING ADDRESS: ", existing)
+
+      if (existing) {
+        updateExternalWalletLnurlp(existing.lnurl.bech32)
+        return
+      }
+
+      // Register with username as the Lightning address
+      const lightningAddress = username + uuidv4()
+      const res = await registerLightningAddress(
+        lightningAddress,
+        `Pay to ${username}@${appConfig.galoyInstance.lnAddressHostname}`,
+      )
+      console.log("BREEZ LIGHTNING ADDRESS RES: ", res)
+
+      if (res) {
+        updateExternalWalletLnurlp(res.lnurl.bech32)
+      }
+    } catch (err) {
+      console.warn("Failed to register Lightning address:", err)
+    }
+  }
+
   const getBreezInfo = async () => {
     if (initializingRef.current) return
     initializingRef.current = true
@@ -122,6 +182,9 @@ export const BreezProvider = ({ children }: Props) => {
       await updateBalance()
       setLoading(false)
 
+      // Register Lightning address
+      await ensureLightningAddress()
+
       // Trigger migration after Spark SDK is ready
       if (!persistentState.sparkMigrationCompleted) {
         await onMigrate()

app/graphql/front-end-mutations.ts

@@ -212,4 +212,14 @@ gql`
       uploadUrl
     }
   }
+
+  mutation UpdateExternalWallet($input: UpdateExternalWalletInput!) {
+    updateExternalWallet(input: $input) {
+      errors {
+        code
+        message
+      }
+      walletId
+    }
+  }
 `

app/screens/import-wallet-screen/ImportWallet.tsx

@@ -16,6 +16,7 @@ import { useI18nContext } from "@app/i18n/i18n-react"
 import { useCreateAccount } from "@app/hooks/useCreateAccount"
 import { Text, useTheme, useThemeMode } from "@rneui/themed"
 import { usePersistentStateContext } from "@app/store/persistent-state"
+import { useAppConfig } from "@app/hooks/use-app-config"
 
 // utils
 import { disconnectToSDK, initializeBreezSDK } from "@app/utils/breez-sdk"
@@ -31,6 +32,7 @@ const ImportWallet: React.FC<Props> = ({ navigation, route }) => {
   const { mode } = useThemeMode()
   const { LL } = useI18nContext()
   const { updateState } = usePersistentStateContext()
+  const { appConfig } = useAppConfig()
   const { createDeviceAccountAndLogin } = useCreateAccount()
 
   const inputRef = useRef<TextInput[]>([])

app/screens/settings-screen/default-wallet.tsx

@@ -1,5 +1,8 @@
 import { gql } from "@apollo/client"
-import { useSetDefaultWalletScreenQuery } from "@app/graphql/generated"
+import {
+  useAccountUpdateDefaultWalletIdMutation,
+  useSetDefaultWalletScreenQuery,
+} from "@app/graphql/generated"
 import { useIsAuthed } from "@app/graphql/is-authed-context"
 import { useI18nContext } from "@app/i18n/i18n-react"
 import { Text, makeStyles } from "@rneui/themed"
@@ -54,6 +57,7 @@ export const DefaultWalletScreen: React.FC = () => {
     fetchPolicy: "cache-first",
     skip: !isAuthed,
   })
+  const [updateDefaultWalletId] = useAccountUpdateDefaultWalletIdMutation()
 
   const usdWallet = getUsdWallet(data?.me?.defaultAccount?.wallets)
 
@@ -73,6 +77,12 @@ export const DefaultWalletScreen: React.FC = () => {
       defaultWallet = btcWallet
     }
 
+    if (defaultWallet.id) {
+      await updateDefaultWalletId({
+        variables: { input: { walletId: defaultWallet.id } },
+      })
+    }
+
     updateState((state: any) => {
       if (state)
         return {

app/types/declaration.d.ts

@@ -32,4 +32,5 @@ declare module "@env" {
   export const GREENLIGHT_PARTNER_KEY: string
   export const GOOGLE_PLACE_API_KEY: string
   export const MIGRATION_FEE_LNURL_W: string
+  export const BREEZ_LNURL_DOMAIN: string
 }

app/types/transactions.ts

@@ -103,7 +103,6 @@ export const getTransactionStatus = (
   tx: UnifiedTransaction,
 ): "SUCCESS" | "PENDING" | "FAILURE" => {
   if (isBreezTransaction(tx)) {
-    // PaymentStatus: Completed = 0, Pending = 1, Failed = 2
     switch (tx.payment.status) {
       case 0:
       case PaymentStatus.Completed:

app/utils/breez-sdk/spark.ts

@@ -28,11 +28,12 @@ import type {
   RecommendedFees,
   SendPaymentMethod,
   LnurlPayResponse,
+  LightningAddressInfo,
   Payment,
   Logger,
   LogEntry,
 } from "@breeztech/breez-sdk-spark-react-native"
-import { API_KEY } from "@env"
+import { API_KEY, BREEZ_LNURL_DOMAIN } from "@env"
 import { appendLog, initLogBuffer } from "./log-buffer"
 
 // Constants
@@ -67,7 +68,7 @@ export const initializeBreezSDK = async (): Promise<boolean> => {
 
   breezSDKInitializing = (async () => {
     try {
-      await retry(connectToSDK, 5000, 3)
+      await retry(() => connectToSDK(), 5000, 3)
       breezSDKInitialized = true
       return true
     } catch (error: unknown) {
@@ -120,6 +121,7 @@ const connectToSDK = async (): Promise<void> => {
 
   const config = defaultConfig(Network.Mainnet)
   config.apiKey = API_KEY
+  config.lnurlDomain = BREEZ_LNURL_DOMAIN
   config.maxDepositClaimFee = new MaxFee.NetworkRecommended({
     leewaySatPerVbyte: BigInt(1),
   })
@@ -174,7 +176,7 @@ export const getInfo = async () => {
   const sdk = getSDKInstance()
   const info = await sdk.getInfo({ ensureSynced: true })
 
-  return Number(info.balanceSats)
+  return info
 }
 
 // Fee Estimation
@@ -624,3 +626,31 @@ export const refundDeposit = async (
     return { success: false, error: message }
   }
 }
+
+// Lightning Address (LNURL-Pay)
+export const checkLightningAddressAvailable = async (
+  username: string,
+): Promise<boolean> => {
+  const sdk = getSDKInstance()
+  return sdk.checkLightningAddressAvailable({ username })
+}
+
+export const registerLightningAddress = async (
+  username: string,
+  description?: string,
+): Promise<LightningAddressInfo> => {
+  const sdk = getSDKInstance()
+  return sdk.registerLightningAddress({ username, description })
+}
+
+export const getLightningAddress = async (): Promise<
+  LightningAddressInfo | undefined
+> => {
+  const sdk = getSDKInstance()
+  return sdk.getLightningAddress()
+}
+
+export const deleteLightningAddress = async (): Promise<void> => {
+  const sdk = getSDKInstance()
+  await sdk.deleteLightningAddress()
+}

ios/Podfile.lock

@@ -10,7 +10,7 @@ PODS:
   - breez_sdk_liquidFFI (0.11.13)
   - BreezSDKLiquid (0.11.13):
     - breez_sdk_liquidFFI (= 0.11.13)
-  - BreezSdkSparkReactNative (0.13.4):
+  - breeztech-breez-sdk-spark-react-native (0.7.14):
     - DoubleConversion
     - glog
     - hermes-engine
@@ -3013,7 +3013,7 @@ SPEC CHECKSUMS:
   breez_sdk_liquid: 5c229f9ab3bcf6b648bbf2d512f6fe1eee96d121
   breez_sdk_liquidFFI: f05fadc0611126ade76d1fe6761ed8b020aabefb
   BreezSDKLiquid: ee6bf5a57f1b2533dc3c14c24c9773496f17b756
-  BreezSdkSparkReactNative: 22459556b92935587708d1e8f875a59fad16005f
+  breeztech-breez-sdk-spark-react-native: 0af390a27a5f95bc838cddbecead825b671f60b2
   BVLinearGradient: 880f91a7854faff2df62518f0281afb1c60d49a3
   DoubleConversion: cb417026b2400c8f53ae97020b2be961b59470cb
   fast_float: 06eeec4fe712a76acc9376682e4808b05ce978b6

yarn.lock

@@ -1334,10 +1334,10 @@
   dependencies:
     "@noble/curves" "^1.7.0"
 
-"@breeztech/breez-sdk-spark-react-native@^0.13.4":
-  version "0.13.4"
-  resolved "https://registry.yarnpkg.com/@breeztech/breez-sdk-spark-react-native/-/breez-sdk-spark-react-native-0.13.4.tgz#7c5429a677547fcbe3aef4fcb299c159e0ff1641"
-  integrity sha512-wspP9tXY4GDJWVH42xI3dhe+MS5ROYX0a2mOqHKLWGcFqQc+Yuf77NaPBhZqM3FDKxVvZkDtAhCDuqDJ4vaclQ==
+"@breeztech/breez-sdk-spark-react-native@^0.7.14":
+  version "0.7.14"
+  resolved "https://registry.yarnpkg.com/@breeztech/breez-sdk-spark-react-native/-/breez-sdk-spark-react-native-0.7.14.tgz#b8914719e67620aa6b85178d7a903d7efcaedbac"
+  integrity sha512-xHhcwD0/aDQAGg6mJM1K1Wepp3bmf3SnuK7tIC2jSX7VA308lB92u6ag3vIQMvAtz6mZptu+8Le+br9sr2u4/w==
   dependencies:
     uniffi-bindgen-react-native "^0.29.3-1"