style: sign message and use layout component

Part of [laconicd testnet validator enrollment](https://www.notion.so/laconicd-testnet-validator-enrollment-6fc1d3cafcc64fef8c5ed3affa27c675)

Co-authored-by: Shreerang Kale <shreerangkale@gmail.com>
Reviewed-on: #14

prettier.config.js

@@ -0,0 +1,18 @@
+const config = {
+  arrowParens: "always",
+  printWidth: 80,
+  semi: false,
+  singleQuote: true,
+  tabWidth: 2,
+  trailingComma: "es5",
+  importOrderSeparation: true,
+  importOrderSortSpecifiers: true,
+  plugins: ["@trivago/prettier-plugin-sort-imports"],
+  importOrder: [
+    "<THIRD_PARTY_MODULES>",
+    "^(pages|components|utils|icons|test|graphql)/(.*)$",
+    "^[./]",
+  ],
+};
+
+export default config;

src/components/CreateWallet.tsx

@@ -1,5 +1,5 @@
-import { View } from "react-native";
 import React from "react";
+import { View } from "react-native";
 import { LoadingButton } from "@mui/lab";
 
 import { CreateWalletProps } from "../types";

src/components/ImportWalletDialog.tsx

@@ -0,0 +1,66 @@
+import React, { useEffect, useState } from 'react';
+
+import { Dialog, DialogActions, DialogContent, DialogTitle, TextField, Grid, Button, Typography } from "@mui/material";
+
+const ImportWalletDialog = ({
+  visible,
+  hideDialog,
+  importWalletHandler
+}: {
+  visible: boolean;
+  hideDialog: () => void;
+  importWalletHandler: (recoveryPhrase: string) => Promise<void>;
+}) => {
+  const [words, setWords] = useState(Array(12).fill(''));
+
+  const handleWordChange = (index: number, value: string) => {
+    const newWords = [...words];
+    newWords[index] = value;
+    setWords(newWords);
+  };
+
+  const handlePaste = (event: React.ClipboardEvent<HTMLDivElement>) => {
+    const pastedText = event.clipboardData.getData('Text');
+    const splitWords = pastedText.trim().split(/\s+/);
+
+    if (splitWords.length === 12) {
+      setWords(splitWords);
+      event.preventDefault();
+    }
+  };
+
+  useEffect(() => {
+    setWords(Array(12).fill(''));
+  },[visible]);
+
+  return (
+    <Dialog open={visible} onClose={hideDialog}>
+      <DialogTitle>Import your wallet from your mnemonic</DialogTitle>
+      <DialogContent>
+        <Typography>
+        (You can paste your entire mnemonic into the first textbox)
+        </Typography>
+        <Grid container spacing={2}>
+          {words.map((word, index) => (
+            <Grid item xs={6} sm={4} key={index}>
+              <TextField
+                value={word}
+                onChange={(e) => handleWordChange(index, e.target.value)}
+                onPaste={index === 0 ? handlePaste : undefined}
+                placeholder={`Word ${index + 1}`}
+                fullWidth
+                margin="normal"
+              />
+            </Grid>
+          ))}
+        </Grid>
+      </DialogContent>
+      <DialogActions>
+        <Button onClick={() => importWalletHandler(words.join(' '))}>Import Wallet</Button>
+        <Button onClick={hideDialog}>Cancel</Button>
+      </DialogActions>
+    </Dialog>
+  );
+};
+
+export default ImportWalletDialog;

src/components/MnemonicDialog.tsx

@@ -0,0 +1,51 @@
+import React from "react";
+import {
+  Dialog,
+  DialogActions,
+  DialogContent,
+  DialogTitle,
+  Button,
+  Typography,
+} from "@mui/material";
+
+import styles from "../styles/stylesheet";
+import GridView from "./Grid";
+import { CustomDialogProps } from "../types";
+
+const MnemonicDialog = ({
+  visible,
+  hideDialog,
+  contentText,
+}: CustomDialogProps) => {
+  const words = contentText.split(" ");
+
+  const copyMnemonic = () => {
+    navigator.clipboard.writeText(contentText);
+  };
+
+  return (
+    <Dialog open={visible} onClose={hideDialog}>
+      <DialogTitle style={{ ...styles.mnemonicTitle }}>Mnemonic</DialogTitle>
+      <DialogContent style={{ ...styles.mnemonicContainer }}>
+        <Typography component="div">
+          Your mnemonic provides full access to your wallet and funds. <br />
+          Make sure to note it down.
+        </Typography>
+        <Typography component="div" style={{ ...styles.mnomonicDialogWarning }}>
+          Do not share your mnemonic with anyone
+        </Typography>
+        <GridView words={words} />
+      </DialogContent>
+      <DialogActions style={{ ...styles.mnemonicButtonRow }}>
+        <Button style={{ ...styles.mnemonicButton }} onClick={copyMnemonic}>
+          Copy
+        </Button>
+        <Button style={{ ...styles.mnemonicButton }} onClick={hideDialog}>
+          Done
+        </Button>
+      </DialogActions>
+    </Dialog>
+  );
+};
+
+export { MnemonicDialog };

src/screens/ApproveTransaction.tsx

@@ -1,13 +1,14 @@
-import React, { useCallback, useEffect, useState } from 'react';
+import React, { useCallback, useEffect, useMemo, useState } from 'react';
 import { Image, ScrollView, View } from 'react-native';
 import { Button, Text, TextInput } from 'react-native-paper';
+import { MsgCreateValidator } from 'cosmjs-types/cosmos/staking/v1beta1/tx';
 
 import {
   NativeStackNavigationProp,
   NativeStackScreenProps,
 } from '@react-navigation/native-stack';
 import { useNavigation } from '@react-navigation/native';
-import { DirectSecp256k1Wallet } from '@cosmjs/proto-signing';
+import { DirectSecp256k1Wallet, EncodeObject } from '@cosmjs/proto-signing';
 import { LaconicClient } from '@cerc-io/registry-sdk';
 import { GasPrice, calculateFee } from '@cosmjs/stargate';
 import { formatJsonRpcError } from '@json-rpc-tools/utils';
@@ -40,7 +41,6 @@ const ApproveTransaction = ({ route }: ApproveTransactionProps) => {
   const requestName = requestSession.peer.metadata.name;
   const requestIcon = requestSession.peer.metadata.icons[0];
   const requestURL = requestSession.peer.metadata.url;
-  const transactionMessage = route.params.transactionMessage;
   const signer = route.params.signer;
   const requestEvent = route.params.requestEvent;
   const chainId = requestEvent.params.chainId;
@@ -67,6 +67,20 @@ const ApproveTransaction = ({ route }: ApproveTransactionProps) => {
 
   const { web3wallet } = useWalletConnect();
 
+  const transactionMessage = useMemo((): EncodeObject => {
+    const inputTxMsg = route.params.transactionMessage;
+
+    // If it's a MsgCreateValidator, decode the tx msg value using MsgCreateValidator type
+    if (inputTxMsg.typeUrl.includes('MsgCreateValidator')) {
+      return {
+        typeUrl: inputTxMsg.typeUrl,
+        value: MsgCreateValidator.fromJSON(inputTxMsg.value)
+      }
+    }
+
+    return inputTxMsg;
+  }, [route.params.transactionMessage]);
+
   useEffect(() => {
     if (namespace !== COSMOS) {
       return;
@@ -138,7 +152,7 @@ const ApproveTransaction = ({ route }: ApproveTransactionProps) => {
           return;
         }
         const gasEstimation = await cosmosStargateClient!.simulate(
-          transactionMessage.value.participant!,
+          signer,
           [transactionMessage],
           MEMO,
         );
@@ -160,7 +174,7 @@ const ApproveTransaction = ({ route }: ApproveTransactionProps) => {
       }
     };
     getCosmosGas();
-  }, [cosmosStargateClient, transactionMessage, requestEventId, topic, web3wallet]);
+  }, [cosmosStargateClient, transactionMessage, requestEventId, topic, web3wallet, signer]);
 
   useEffect(() => {
     const gasPrice = GasPrice.fromString(
@@ -239,6 +253,13 @@ const ApproveTransaction = ({ route }: ApproveTransactionProps) => {
     navigation.navigate('Home');
   };
 
+  const replacer = (key: string, value: any): any => {
+    if (value instanceof Uint8Array) {
+      return Buffer.from(value).toString('hex');
+    }
+    return value;
+  };
+
   return (
     <>
       <ScrollView contentContainerStyle={styles.approveTransaction}>
@@ -264,7 +285,7 @@ const ApproveTransaction = ({ route }: ApproveTransactionProps) => {
         </Text>
         <View style={styles.messageBody}>
           <Text variant="bodyLarge">
-            {JSON.stringify(transactionMessage, null, 2)}
+            {JSON.stringify(transactionMessage, replacer, 2)}
           </Text>
         </View>
         <>

src/screens/HomeScreen.tsx

@@ -1,14 +1,13 @@
 import React, { useCallback, useEffect, useState } from "react";
 import { View, ActivityIndicator, Image } from "react-native";
 import { Text } from "react-native-paper";
-import { Button, Divider } from "@mui/material";
+import { Button, Divider, Portal, Snackbar } from "@mui/material";
 
 import { NativeStackNavigationProp } from "@react-navigation/native-stack";
 import { useNavigation } from "@react-navigation/native";
 import { getSdkError } from "@walletconnect/utils";
 
 import { createWallet, resetWallet, retrieveAccounts } from "../utils/accounts";
-import { DialogComponent } from "../components/Dialog";
 import { NetworkDropdown } from "../components/NetworkDropdown";
 import Accounts from "../components/Accounts";
 import CreateWallet from "../components/CreateWallet";
@@ -18,6 +17,8 @@ import { useAccounts } from "../context/AccountsContext";
 import { useWalletConnect } from "../context/WalletConnectContext";
 import { NetworksDataState, StackParamsList } from "../types";
 import { useNetworks } from "../context/NetworksContext";
+import ImportWalletDialog from "../components/ImportWalletDialog";
+import { MnemonicDialog } from "../components/MnemonicDialog";
 import { Container } from "../components/Container";
 
 const WCLogo = () => {
@@ -57,12 +58,15 @@ const HomeScreen = () => {
 
   const [isWalletCreated, setIsWalletCreated] = useState<boolean>(false);
   const [isWalletCreating, setIsWalletCreating] = useState<boolean>(false);
-  const [walletDialog, setWalletDialog] = useState<boolean>(false);
+  const [importWalletDialog, setImportWalletDialog] = useState<boolean>(false);
+  const [mnemonicDialog, setMnemonicDialog] = useState<boolean>(false);
   const [resetWalletDialog, setResetWalletDialog] = useState<boolean>(false);
+  const [toastVisible, setToastVisible] = useState(false);
+  const [invalidMnemonicError, setInvalidMnemonicError] = useState("");
   const [isAccountsFetched, setIsAccountsFetched] = useState<boolean>(true);
   const [phrase, setPhrase] = useState("");
 
-  const hideWalletDialog = () => setWalletDialog(false);
+  const hideMnemonicDialog = () => setMnemonicDialog(false);
   const hideResetDialog = () => setResetWalletDialog(false);
 
   const fetchAccounts = useCallback(async () => {
@@ -85,12 +89,27 @@ const HomeScreen = () => {
     const mnemonic = await createWallet(networksData);
     if (mnemonic) {
       fetchAccounts();
-      setWalletDialog(true);
+      setMnemonicDialog(true);
       setPhrase(mnemonic);
       setSelectedNetwork(networksData[0]);
     }
   };
 
+  const importWalletHandler = async (recoveryPhrase: string) => {
+    try {
+      const mnemonic = await createWallet(networksData, recoveryPhrase);
+      if (mnemonic) {
+        fetchAccounts();
+        setPhrase(mnemonic);
+        setSelectedNetwork(networksData[0]);
+        setImportWalletDialog(false);
+      }
+    } catch (error: any) {
+      setInvalidMnemonicError((error.message as string).toUpperCase());
+      setToastVisible(true);
+    }
+  };
+
   const confirmResetWallet = useCallback(async () => {
     setIsWalletCreated(false);
     setIsWalletCreating(false);
@@ -154,14 +173,29 @@ const HomeScreen = () => {
             </Button>
           </>
         ) : (
-          <CreateWallet
-            isWalletCreating={isWalletCreating}
-            createWalletHandler={createWalletHandler}
-          />
+          <>
+            <CreateWallet
+              isWalletCreating={isWalletCreating}
+              createWalletHandler={createWalletHandler}
+            />
+            <View style={styles.createWalletContainer}>
+              <Button
+                variant="contained"
+                onClick={() => setImportWalletDialog(true)}
+              >
+                Import Wallet
+              </Button>
+            </View>
+          </>
         )}
-        <DialogComponent
-          visible={walletDialog}
-          hideDialog={hideWalletDialog}
+        <ImportWalletDialog
+          visible={importWalletDialog}
+          hideDialog={() => setImportWalletDialog(false)}
+          importWalletHandler={importWalletHandler}
+        />
+        <MnemonicDialog
+          visible={mnemonicDialog}
+          hideDialog={hideMnemonicDialog}
           contentText={phrase}
         />
         <ConfirmDialog
@@ -171,6 +205,16 @@ const HomeScreen = () => {
           onConfirm={confirmResetWallet}
         />
       </Container>
+      <Portal>
+        <Snackbar
+          open={toastVisible}
+          autoHideDuration={3000}
+          message={invalidMnemonicError}
+          onClose={() => setToastVisible(false)}
+          anchorOrigin={{ horizontal: "center", vertical: "bottom" }}
+          ContentProps={{ style: { backgroundColor: "red", color: "white" } }}
+        />
+      </Portal>
     </View>
   );
 };

src/styles/stylesheet.js

@@ -4,7 +4,7 @@ const styles = StyleSheet.create({
   createWalletContainer: {
     marginTop: 20,
     alignSelf: 'center',
-    marginBottom: 40
+    marginBottom: 30,
   },
   signLink: {
     alignItems: 'flex-end',

src/utils/accounts.ts

@@ -27,12 +27,23 @@ import { COSMOS, EIP155 } from './constants';
 
 const createWallet = async (
   networksData: NetworksDataState[],
+  recoveryPhrase?: string,
 ): Promise<string> => {
-  const mnemonic = utils.entropyToMnemonic(utils.randomBytes(16));
-  await setInternetCredentials('mnemonicServer', 'mnemonic', mnemonic);
+  const mnemonic = recoveryPhrase ? recoveryPhrase : utils.entropyToMnemonic(utils.randomBytes(16));
 
   const hdNode = HDNode.fromMnemonic(mnemonic);
+  await setInternetCredentials('mnemonicServer', 'mnemonic', mnemonic);
 
+  await createWalletFromMnemonic(networksData, hdNode, mnemonic);
+
+  return mnemonic;
+};
+
+const createWalletFromMnemonic = async (
+  networksData: NetworksDataState[],
+  hdNode: HDNode,
+  mnemonic: string
+): Promise<void> => {
   for (const network of networksData) {
     const hdPath = `m/44'/${network.coinType}'/0'/0/0`;
     const node = hdNode.derivePath(hdPath);
@@ -73,8 +84,6 @@ const createWallet = async (
       ),
     ]);
   }
-
-  return mnemonic;
 };
 
 const addAccount = async (

src/utils/constants.ts

@@ -46,3 +46,5 @@ export const EMPTY_FIELD_ERROR = 'Field cannot be empty';
 export const INVALID_URL_ERROR = 'Invalid URL';
 
 export const IS_NUMBER_REGEX = /^\d+$/;
+
+export const IS_IMPORT_WALLET_ENABLED = false;

src/utils/wallet-connect/wallet-connect-requests.ts

@@ -7,7 +7,7 @@ import { getSdkError } from '@walletconnect/utils';
 import {
   SigningStargateClient,
   StdFee,
-  MsgSendEncodeObject,
+  MsgSendEncodeObject
 } from '@cosmjs/stargate';
 import { EncodeObject } from '@cosmjs/proto-signing';
 import { LaconicClient } from '@cerc-io/registry-sdk';