feat: get HMAC keys method

android/build.gradle

@@ -98,7 +98,7 @@ repositories {
 dependencies {
   implementation project(':expo-modules-core')
   implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:${getKotlinVersion()}"
-  implementation "org.xmtp:android:0.7.6"
+  implementation "org.xmtp:android:0.8.2"
   implementation 'com.google.code.gson:gson:2.10.1'
   implementation 'com.facebook.react:react-native:0.71.3'
   implementation "com.daveanthonythomas.moshipack:moshipack:1.0.1"

android/src/main/java/expo/modules/xmtpreactnativesdk/XMTPModule.kt

@@ -271,6 +271,14 @@ class XMTPModule : Module() {
             Base64.encodeToString(conversation.toTopicData().toByteArray(), NO_WRAP)
         }
 
+        AsyncFunction("getHmacKeys") { clientAddress: String ->
+            logV("getHmacKeys")
+            val client = clients[clientAddress] ?: throw XMTPException("No client")
+            val hmacKeys = client.conversations.getHmacKeys()
+            logV("$hmacKeys")
+            hmacKeys.toByteArray().map { it.toInt() and 0xFF }
+        }
+
         // Import a conversation from its serialized topic data.
         AsyncFunction("importConversationTopicData") { clientAddress: String, topicData: String ->
             logV("importConversationTopicData")

example/App.tsx

@@ -1,5 +1,14 @@
 import { NavigationContainer } from '@react-navigation/native'
+import { Ethereum } from '@thirdweb-dev/chains'
+import {
+  ThirdwebProvider,
+  metamaskWallet,
+  rainbowWallet,
+} from '@thirdweb-dev/react-native'
 import { Button, Platform } from 'react-native'
+import Config from 'react-native-config'
+// Used to polyfill webCrypto in react-native
+import PolyfillCrypto from 'react-native-webview-crypto'
 import { QueryClient, QueryClientProvider } from 'react-query'
 import { XmtpProvider } from 'xmtp-react-native-sdk'
 
@@ -9,9 +18,6 @@ import HomeScreen from './src/HomeScreen'
 import LaunchScreen from './src/LaunchScreen'
 import { Navigator } from './src/Navigation'
 import TestScreen from './src/TestScreen'
-import { ThirdwebProvider, metamaskWallet, rainbowWallet } from '@thirdweb-dev/react-native'
-import { Ethereum } from '@thirdweb-dev/chains'
-import Config from 'react-native-config'
 
 const queryClient = new QueryClient()
 
@@ -20,18 +26,19 @@ export default function App() {
   // console.log("Thirdweb client id: " + Config.THIRD_WEB_CLIENT_ID)
   return (
     <ThirdwebProvider
-      activeChain={ Ethereum }
-      supportedChains={ [ Ethereum ] }
-      clientId={ Config.THIRD_WEB_CLIENT_ID }
+      activeChain={Ethereum}
+      supportedChains={[Ethereum]}
+      clientId={Config.THIRD_WEB_CLIENT_ID}
       dAppMeta={{
         name: 'XMTP Example',
         description: 'Example app from xmtp-react-native repo',
-        logoUrl: 'https://pbs.twimg.com/profile_images/1668323456935510016/2c_Ue8dF_400x400.jpg',
+        logoUrl:
+          'https://pbs.twimg.com/profile_images/1668323456935510016/2c_Ue8dF_400x400.jpg',
         url: 'https://xmtp.org',
       }}
-      supportedWallets={[
-        metamaskWallet(), rainbowWallet()
-      ]}>
+      supportedWallets={[metamaskWallet(), rainbowWallet()]}
+    >
+      <PolyfillCrypto />
       <QueryClientProvider client={queryClient}>
         <XmtpProvider>
           <NavigationContainer>

example/ios/Podfile.lock

@@ -56,7 +56,7 @@ PODS:
     - hermes-engine/Pre-built (= 0.71.14)
   - hermes-engine/Pre-built (0.71.14)
   - libevent (2.1.12)
-  - LibXMTP (0.4.1-beta1)
+  - LibXMTP (0.4.2-beta5)
   - Logging (1.0.0)
   - MessagePacker (0.4.7)
   - MMKV (1.3.3):
@@ -344,6 +344,9 @@ PODS:
     - RCTTypeSafety
     - React-Core
     - ReactCommon/turbomodule/core
+  - react-native-webview (13.8.1):
+    - RCT-Folly (= 2021.07.22.00)
+    - React-Core
   - React-perflogger (0.71.14)
   - React-RCTActionSheet (0.71.14):
     - React-Core/RCTActionSheetHeaders (= 0.71.14)
@@ -442,16 +445,16 @@ PODS:
     - GenericJSON (~> 2.0)
     - Logging (~> 1.0.0)
     - secp256k1.swift (~> 0.1)
-  - XMTP (0.8.0):
+  - XMTP (0.8.15):
     - Connect-Swift (= 0.3.0)
     - GzipSwift
-    - LibXMTP (= 0.4.1-beta1)
+    - LibXMTP (= 0.4.2-beta5)
     - web3.swift
   - XMTPReactNative (0.1.0):
     - ExpoModulesCore
     - MessagePacker
     - secp256k1.swift
-    - XMTP (= 0.8.0)
+    - XMTP (= 0.8.15)
   - Yoga (1.14.0)
 
 DEPENDENCIES:
@@ -502,6 +505,7 @@ DEPENDENCIES:
   - react-native-quick-crypto (from `../node_modules/react-native-quick-crypto`)
   - react-native-randombytes (from `../node_modules/react-native-randombytes`)
   - react-native-safe-area-context (from `../node_modules/react-native-safe-area-context`)
+  - react-native-webview (from `../node_modules/react-native-webview`)
   - React-perflogger (from `../node_modules/react-native/ReactCommon/reactperflogger`)
   - React-RCTActionSheet (from `../node_modules/react-native/Libraries/ActionSheetIOS`)
   - React-RCTAnimation (from `../node_modules/react-native/Libraries/NativeAnimation`)
@@ -630,6 +634,8 @@ EXTERNAL SOURCES:
     :path: "../node_modules/react-native-randombytes"
   react-native-safe-area-context:
     :path: "../node_modules/react-native-safe-area-context"
+  react-native-webview:
+    :path: "../node_modules/react-native-webview"
   React-perflogger:
     :path: "../node_modules/react-native/ReactCommon/reactperflogger"
   React-RCTActionSheet:
@@ -673,7 +679,7 @@ SPEC CHECKSUMS:
   CoinbaseWalletSDK: ea1f37512bbc69ebe07416e3b29bf840f5cc3152
   CoinbaseWalletSDKExpo: c79420eb009f482f768c23b6768fc5b2d7c98777
   Connect-Swift: d38eedc1907d440314f8d26d5a038a00cbb0f6f1
-  DoubleConversion: 5189b271737e1565bdce30deb4a08d647e3f5f54
+  DoubleConversion: fea03f2699887d960129cc54bba7e52542b6f953
   EXApplication: 2a0d9abd4feace9c6faedfe541c1dec02e3702cd
   EXConstants: f348da07e21b23d2b085e270d7b74f282df1a7d9
   EXFileSystem: 844e86ca9b5375486ecc4ef06d3838d5597d895d
@@ -691,11 +697,11 @@ SPEC CHECKSUMS:
   FBReactNativeSpec: b6ae48e67aaba46442f84d6f9ba598ccfbe2ee66
   fmt: ff9d55029c625d3757ed641535fd4a75fedc7ce9
   GenericJSON: 79a840eeb77030962e8cf02a62d36bd413b67626
-  glog: 04b94705f318337d7ead9e6d17c019bd9b1f6b1b
+  glog: c5d68082e772fa1c511173d6b30a9de2c05a69a2
   GzipSwift: 893f3e48e597a1a4f62fafcb6514220fcf8287fa
   hermes-engine: d7cc127932c89c53374452d6f93473f1970d8e88
   libevent: 4049cae6c81cdb3654a443be001fb9bdceff7913
-  LibXMTP: 01d1797089db5fe7e0a39c524261f460a0f183c9
+  LibXMTP: 3cbd1d0dd44ae3648f571a0e81bbe73565759e67
   Logging: 9ef4ecb546ad3169398d5a723bc9bea1c46bef26
   MessagePacker: ab2fe250e86ea7aedd1a9ee47a37083edd41fd02
   MMKV: f902fb6719da13c2ab0965233d8963a59416f911
@@ -725,6 +731,7 @@ SPEC CHECKSUMS:
   react-native-quick-crypto: 455c1b411db006dba1026a30681ececb19180187
   react-native-randombytes: 421f1c7d48c0af8dbcd471b0324393ebf8fe7846
   react-native-safe-area-context: 39c2d8be3328df5d437ac1700f4f3a4f75716acc
+  react-native-webview: bdc091de8cf7f8397653e30182efcd9f772e03b3
   React-perflogger: 4987ad83731c23d11813c84263963b0d3028c966
   React-RCTActionSheet: 5ad952b2a9740d87a5bd77280c4bc23f6f89ea0c
   React-RCTAnimation: d2de22af3f536cc80bb5b3918e1a455114d1b985
@@ -744,10 +751,10 @@ SPEC CHECKSUMS:
   secp256k1.swift: a7e7a214f6db6ce5db32cc6b2b45e5c4dd633634
   SwiftProtobuf: b02b5075dcf60c9f5f403000b3b0c202a11b6ae1
   web3.swift: 2263d1e12e121b2c42ffb63a5a7beb1acaf33959
-  XMTP: 9296a8e8dc53a033d5ca38207d5ed05843e657b6
-  XMTPReactNative: 808e9937e815f506a84ace93af6f84df7e3fb038
+  XMTP: 00fe090825e6bc5991870c1925befc06b1a30b78
+  XMTPReactNative: c452a9190442c7cbc0a4c0676cfc598761d463d2
   Yoga: e71803b4c1fff832ccf9b92541e00f9b873119b9
 
 PODFILE CHECKSUM: 95d6ace79946933ecf80684613842ee553dd76a2
 
-COCOAPODS: 1.14.2
+COCOAPODS: 1.14.3

example/package.json

@@ -39,6 +39,8 @@
     "react-native-screens": "~3.20.0",
     "react-native-svg": "^13.9.0",
     "react-native-url-polyfill": "^2.0.0",
+    "react-native-webview": "^13.8.1",
+    "react-native-webview-crypto": "^0.0.25",
     "react-query": "^3.39.3",
     "stream-browserify": "^3.0.0",
     "text-encoding": "^0.7.0"
@@ -48,6 +50,7 @@
     "@types/node": "^18.16.3",
     "@types/react": "18.2.0",
     "@types/react-native": "0.71.8",
+    "@types/text-encoding": "^0.0.39",
     "@typescript-eslint/eslint-plugin": "^6.13.1",
     "@typescript-eslint/parser": "^6.13.1",
     "eslint": "^8.54.0",