ecpay_expo/app/(tabs)/index.tsx
2024-12-28 16:50:57 +05:30

349 lines
10 KiB
TypeScript

import React, { useEffect, useState } from 'react';
import { Image, StyleSheet, Pressable, Platform, View, Alert } from 'react-native';
import { useCameraPermissions } from 'expo-camera';
import Link, { } from 'expo-router/link';
import { ethers } from 'ethers';
import ParallaxScrollView from '@/components/ParallaxScrollView';
import { ThemedText } from '@/components/ThemedText';
import { ThemedView } from '@/components/ThemedView';
import { WalletConnectModal, useWalletConnectModal } from '@walletconnect/modal-react-native';
import { CHAIN_ID, CONTRACT_ADDRESS, projectId, providerMetadata } from './shared';
import { contractABI } from './ABI/transfer_contract';
// import { GoogleSignin } from 'react-native-google-signin';
import { GoogleSignin, statusCodes, GoogleSigninButton, isErrorWithCode, User } from '@react-native-google-signin/google-signin';
import auth from '@react-native-firebase/auth';
export default function HomeScreen() {
const [loading, setLoading] = useState(false);
const [transferLoading, setTransferLoading] = useState(false);
const [firebaseUser, setFirebaseUser] = useState<User | null>();
const [permission, requestPermission] = useCameraPermissions();
const [embeddedWallet, setEmbeddedWallet] = useState("");
const isPermissionGranted = Boolean(permission?.granted);
const { open, isConnected, address, provider } = useWalletConnectModal();
useEffect(() => {
setLoading(true);
GoogleSignin.configure({
webClientId: '652710461284-7e2909o0bmsqqo17l4fhtkm33emh35vj.apps.googleusercontent.com',
});
// Check if the user is already signed in
const checkSignInStatus = async () => {
try {
const userInfo = await GoogleSignin.signInSilently();
if (userInfo != null) {
console.log("Setting firebase user silently");
setFirebaseUser(userInfo.data);
console.log(firebaseUser);
}
} catch (error) {
console.error('Failed to check Google sign-in status:', error);
} finally {
setLoading(false);
}
};
checkSignInStatus();
}, [])
useEffect(() => {
const fetchEmbeddedWallet = async () => {
if (firebaseUser == null) { console.log('firebase user is null'); return; }
const googleCredential = auth.GoogleAuthProvider.credential(firebaseUser.idToken);
const userCredential = await auth().signInWithCredential(googleCredential);
const tokenId = await userCredential.user.getIdToken();
console.log(`tokenId from firebase ${tokenId}`);
const register = await fetch(`http://vps.playpoolstudios.com:30017/signinWithGoogle?tokenId=${tokenId}`)
const registerJson = await register.json();
console.log(registerJson);
setEmbeddedWallet(registerJson['publicKey']);
}
fetchEmbeddedWallet();
}, [firebaseUser])
const connectWallet = async () => {
setLoading(true);
try {
if (isConnected) {
await provider?.disconnect();
} else {
await open();
}
} catch (error) {
console.error('Wallet connection failed', error);
} finally {
setLoading(false);
}
};
const transferEth = async () => {
if (!provider || !isConnected) {
console.error('Wallet not connected.');
return;
}
setTransferLoading(true);
try {
const ethersProvider = new ethers.providers.Web3Provider(provider);
const network = await ethersProvider.getNetwork();
if (network.chainId !== CHAIN_ID) {
console.log(`Switching from ${network.chainId} to ${CHAIN_ID} (Arbitrum Sepolia)...`);
// await provider.request({method:"eth_requestAccounts",params: []});
await provider.request({
method: 'wallet_switchEthereumChain',
params: [{ chainId: `0x${CHAIN_ID.toString(16)}` }],
});
console.log(`Switched to chain ID: ${CHAIN_ID}`);
}
console.log(`Current chain ID: ${CHAIN_ID}`);
const signer = ethersProvider.getSigner();
const contract = new ethers.Contract(CONTRACT_ADDRESS, contractABI, signer);
const tx = await contract.transferETH('warlock', {
value: ethers.utils.parseEther('0.002'), // Sending 0.003 ETH
});
console.log('Transaction sent:', tx.hash);
await tx.wait();
console.log('Transaction confirmed:', tx.hash);
} catch (error) {
console.error('Transfer failed:', error);
} finally {
setTransferLoading(false);
}
};
const _signIn = async () => {
try {
await GoogleSignin.hasPlayServices();
const { type, data } = await GoogleSignin.signIn();
if (type === 'success') {
console.log({ data });
setFirebaseUser(data);
} else {
// sign in was cancelled by user
setTimeout(() => {
Alert.alert('cancelled');
}, 500);
}
} catch (error: any) {
if (isErrorWithCode(error)) {
console.log('error', error.message);
switch (error.code) {
case statusCodes.IN_PROGRESS:
// operation (eg. sign in) already in progress
Alert.alert(
'in progress',
'operation (eg. sign in) already in progress',
);
break;
case statusCodes.PLAY_SERVICES_NOT_AVAILABLE:
// android only
Alert.alert('play services not available or outdated');
break;
default:
Alert.alert('Something went wrong: ', error.toString() + error.code);
}
} else {
alert(`an error that's not related to google sign in occurred`);
}
}
};
const handleLogout = async () => {
try {
await GoogleSignin.signOut();
setFirebaseUser(null);
} catch (error) {
console.error('Logout failed:', error);
}
}
return (
<>
<ParallaxScrollView
headerBackgroundColor={{ light: '#A1CEDC', dark: '#1D3D47' }}
headerImage={
<Image
source={require('@/assets/images/partial-react-logo.png')}
style={styles.reactLogo}
/>
}
>
<ThemedView style={styles.titleContainer}>
<ThemedText type="title">Welcome to ECPay</ThemedText>
</ThemedView>
{/* Connect Wallet Section */}
{
firebaseUser == null ?
(<Pressable onPress={connectWallet} style={styles.button}>
<ThemedText style={styles.buttonText}>
{loading ? 'Connecting...' : isConnected ? 'Disconnect Wallet' : 'Connect Wallet'}
</ThemedText>
</Pressable>) : (<></>)}
{/* Display Wallet Address if Connected */}
{isConnected && (
<ThemedView style={styles.addressContainer}>
<ThemedText>Connected Wallet:</ThemedText>
<ThemedText>{address}</ThemedText>
</ThemedView>
)}
{
(firebaseUser == null && !isConnected) ?
(<GoogleSigninButton
size={GoogleSigninButton.Size.Standard}
color={GoogleSigninButton.Color.Dark}
onPress={_signIn}
accessibilityLabel={'sign in'}
/>)
:
(!isConnected) ?
(
<ThemedView>
<ThemedText>
Signed in as {firebaseUser?.user.email}
</ThemedText>
<ThemedText>
{embeddedWallet}
</ThemedText>
<Pressable onPress={handleLogout} style={styles.logoutButton}>
<ThemedText style={styles.buttonText}>Logout</ThemedText>
</Pressable>
</ThemedView>
)
:
(<></>)
}
{/* Link to Scanner */}
{isPermissionGranted ? (isConnected || firebaseUser != null) && (
<Link href="./scanner" asChild>
<Pressable
style={({ pressed }) => [
styles.scanButton,
{ opacity: pressed ? 0.5 : 1 },
]}
>
<Image
source={require('@/assets/images/qr-code-icon.png')}
style={styles.qrIcon}
/>
<ThemedText style={styles.scanButtonText}>Scan</ThemedText>
</Pressable>
</Link>
) : (
<Pressable onPress={requestPermission} style={styles.button}>
<ThemedText style={styles.buttonText}>Grant Permission</ThemedText>
</Pressable>
)}
{/* Transfer ETH Button
<Pressable onPress={transferEth} style={styles.transferButton} disabled={transferLoading}>
<ThemedText style={styles.buttonText}>
{transferLoading ? 'Transferring...' : 'Transfer 0.003 ETH'}
</ThemedText>
</Pressable>
<ThemedView style={styles.scannedDataContainer}>
<ThemedText>Scanned Ethereum Address:</ThemedText>
<ThemedText>{''}</ThemedText>
</ThemedView> */}
{/* WalletConnect Modal */}
<WalletConnectModal projectId={projectId} providerMetadata={providerMetadata} />
</ParallaxScrollView>
</>
);
}
const styles = StyleSheet.create({
titleContainer: {
flexDirection: 'row',
alignItems: 'center',
gap: 8,
marginVertical: 16,
},
reactLogo: {
height: 178,
width: 290,
bottom: 0,
left: 0,
position: 'absolute',
},
button: {
backgroundColor: '#007bff',
padding: 12,
borderRadius: 8,
alignItems: 'center',
marginVertical: 8,
},
transferButton: {
backgroundColor: '#28a745',
padding: 12,
borderRadius: 8,
alignItems: 'center',
marginVertical: 8,
},
buttonText: {
color: '#fff',
fontWeight: 'bold',
},
addressContainer: {
marginVertical: 16,
padding: 12,
backgroundColor: '#333333',
borderRadius: 8,
},
scanButton: {
width: 150,
height: 150,
backgroundColor: '#007bff',
justifyContent: 'center',
alignItems: 'center',
borderRadius: 16,
marginVertical: 16,
},
qrIcon: {
width: 60,
height: 60,
marginBottom: 8,
},
scanButtonText: {
color: '#fff',
fontWeight: 'bold',
fontSize: 16,
},
scannedDataContainer: {
marginTop: 16,
padding: 12,
backgroundColor: "#444",
borderRadius: 8,
},
logoutButton: {
backgroundColor: '#d9534f',
padding: 12,
borderRadius: 8,
alignItems: 'center',
},
});