forked from cerc-io/laconic-wallet-web
Add new component WalletEmbed to handle tx requests via iframe messaging (#18)
Part of [Service provider auctions for web deployments](https://www.notion.so/Service-provider-auctions-for-web-deployments-104a6b22d47280dbad51d28aa3a91d75) Co-authored-by: Adw8 <adwaitgharpure@gmail.com> Co-authored-by: Isha <ishavenikar7@gmail.com> Reviewed-on: cerc-io/laconic-wallet-web#18 Co-authored-by: Nabarun <nabarun@deepstacksoft.com> Co-committed-by: Nabarun <nabarun@deepstacksoft.com>
This commit is contained in:
parent
b94fd22c76
commit
b527a9486d
@ -34,6 +34,7 @@ import { NETWORK_METHODS } from "./utils/wallet-connect/common-data";
|
||||
import { COSMOS_METHODS } from "./utils/wallet-connect/COSMOSData";
|
||||
import styles from "./styles/stylesheet";
|
||||
import { Header } from "./components/Header";
|
||||
import { WalletEmbed } from "./screens/WalletEmbed";
|
||||
|
||||
const Stack = createStackNavigator<StackParamsList>();
|
||||
|
||||
@ -313,6 +314,13 @@ const App = (): React.JSX.Element => {
|
||||
header: () => <Header title="Wallet" />,
|
||||
}}
|
||||
/>
|
||||
<Stack.Screen
|
||||
name="WalletEmbed"
|
||||
component={WalletEmbed}
|
||||
options={{
|
||||
header: () => <></>,
|
||||
}}
|
||||
/>
|
||||
</Stack.Navigator>
|
||||
<PairingModal
|
||||
visible={modalVisible}
|
||||
|
||||
362
src/screens/WalletEmbed.tsx
Normal file
362
src/screens/WalletEmbed.tsx
Normal file
@ -0,0 +1,362 @@
|
||||
import React, { useEffect, useState, useCallback, useRef } from 'react';
|
||||
import { ScrollView, View } from 'react-native';
|
||||
import {
|
||||
ActivityIndicator,
|
||||
Button,
|
||||
Text,
|
||||
TextInput,
|
||||
} from 'react-native-paper';
|
||||
import { BigNumber } from 'ethers';
|
||||
|
||||
import { DirectSecp256k1Wallet } from '@cosmjs/proto-signing';
|
||||
import {
|
||||
calculateFee,
|
||||
GasPrice,
|
||||
SigningStargateClient,
|
||||
} from '@cosmjs/stargate';
|
||||
|
||||
import { createWallet, retrieveAccounts, retrieveSingleAccount } from '../utils/accounts';
|
||||
import AccountDetails from '../components/AccountDetails';
|
||||
import styles from '../styles/stylesheet';
|
||||
import DataBox from '../components/DataBox';
|
||||
import { getPathKey } from '../utils/misc';
|
||||
import { useNetworks } from '../context/NetworksContext';
|
||||
import TxErrorDialog from '../components/TxErrorDialog';
|
||||
import { MEMO } from '../screens/ApproveTransfer';
|
||||
import { Account, NetworksDataState } from '../types';
|
||||
|
||||
type TransactionDetails = {
|
||||
chainId: string;
|
||||
fromAddress: string;
|
||||
toAddress: string;
|
||||
amount: string;
|
||||
account: Account
|
||||
balance: string;
|
||||
requestedNetwork: NetworksDataState
|
||||
};
|
||||
|
||||
export const WalletEmbed = () => {
|
||||
const [isTxRequested, setIsTxRequested] = useState<boolean>(false);
|
||||
const [transactionDetails, setTransactionDetails] = useState<TransactionDetails | null>(null);
|
||||
const [fees, setFees] = useState<string>('');
|
||||
const [gasLimit, setGasLimit] = useState<string>('');
|
||||
const [isTxLoading, setIsTxLoading] = useState(false);
|
||||
const [txError, setTxError] = useState<string | null>(null);
|
||||
const txEventRef = useRef<MessageEvent | null>(null);
|
||||
|
||||
const { networksData } = useNetworks();
|
||||
|
||||
const getAccountsData = useCallback(async (chainId: string): Promise<string[]> => {
|
||||
const targetNetwork = networksData.find(network => network.chainId === chainId);
|
||||
|
||||
if (!targetNetwork) {
|
||||
return [];
|
||||
}
|
||||
|
||||
const accounts = await retrieveAccounts(targetNetwork);
|
||||
|
||||
if (!accounts || accounts.length === 0) {
|
||||
return [];
|
||||
}
|
||||
|
||||
return accounts.map(account => account.address);
|
||||
}, [networksData]);
|
||||
|
||||
const sendMessage = (
|
||||
source: Window | null,
|
||||
type: string,
|
||||
data: any,
|
||||
origin: string
|
||||
): void => {
|
||||
source?.postMessage({ type, data }, origin);
|
||||
};
|
||||
|
||||
const checkSufficientFunds = (amount: string, balance: string) => {
|
||||
const amountBigNum = BigNumber.from(String(amount));
|
||||
const balanceBigNum = BigNumber.from(balance);
|
||||
|
||||
return balanceBigNum.gt(amountBigNum);
|
||||
};
|
||||
|
||||
useEffect(() => {
|
||||
const handleGetAccounts = async (event: MessageEvent) => {
|
||||
if (event.data.type !== 'REQUEST_WALLET_ACCOUNTS') return;
|
||||
|
||||
const accountsData = await getAccountsData(event.data.chainId);
|
||||
|
||||
if (accountsData.length === 0) {
|
||||
sendMessage(event.source as Window, 'ERROR', 'Wallet accounts not found', event.origin);
|
||||
return;
|
||||
}
|
||||
|
||||
sendMessage(event.source as Window, 'WALLET_ACCOUNTS_DATA', accountsData, event.origin);
|
||||
};
|
||||
|
||||
window.addEventListener('message', handleGetAccounts);
|
||||
|
||||
return () => {
|
||||
window.removeEventListener('message', handleGetAccounts);
|
||||
};
|
||||
}, [getAccountsData]);
|
||||
|
||||
useEffect(() => {
|
||||
const handleCreateAccounts = async (event: MessageEvent) => {
|
||||
if (event.data.type !== 'REQUEST_CREATE_OR_GET_ACCOUNTS') return;
|
||||
|
||||
let accountsData = await getAccountsData(event.data.chainId);
|
||||
|
||||
if (accountsData.length === 0) {
|
||||
console.log("Accounts not found, creating wallet...");
|
||||
await createWallet(networksData);
|
||||
|
||||
// Re-fetch newly created accounts
|
||||
accountsData = await getAccountsData(event.data.chainId);
|
||||
}
|
||||
|
||||
sendMessage(event.source as Window, 'WALLET_ACCOUNTS_DATA', accountsData, event.origin);
|
||||
};
|
||||
|
||||
window.addEventListener('message', handleCreateAccounts);
|
||||
|
||||
return () => {
|
||||
window.removeEventListener('message', handleCreateAccounts);
|
||||
};
|
||||
}, [networksData, getAccountsData]);
|
||||
|
||||
const handleTxRequested = useCallback(
|
||||
async (event: MessageEvent) => {
|
||||
try {
|
||||
if (event.data.type !== 'REQUEST_TX') return;
|
||||
|
||||
txEventRef.current = event;
|
||||
|
||||
const { chainId, fromAddress, toAddress, amount } = event.data;
|
||||
const network = networksData.find(net => net.chainId === chainId);
|
||||
|
||||
if (!network) {
|
||||
console.error('Network not found');
|
||||
throw new Error('Requested network not supported.');
|
||||
}
|
||||
|
||||
const account = await retrieveSingleAccount(network.namespace, network.chainId, fromAddress);
|
||||
if (!account) {
|
||||
throw new Error('Account not found for the requested address.');
|
||||
}
|
||||
|
||||
const cosmosPrivKey = (
|
||||
await getPathKey(`${network.namespace}:${chainId}`, account.index)
|
||||
).privKey;
|
||||
|
||||
const sender = await DirectSecp256k1Wallet.fromKey(
|
||||
Buffer.from(cosmosPrivKey.split('0x')[1], 'hex'),
|
||||
network.addressPrefix
|
||||
);
|
||||
|
||||
const client = await SigningStargateClient.connectWithSigner(network.rpcUrl!, sender);
|
||||
|
||||
const balance = await client.getBalance(
|
||||
account.address,
|
||||
network.nativeDenom!.toLowerCase()
|
||||
);
|
||||
|
||||
const sendMsg = {
|
||||
typeUrl: '/cosmos.bank.v1beta1.MsgSend',
|
||||
value: {
|
||||
fromAddress: fromAddress,
|
||||
toAddress: toAddress,
|
||||
amount: [
|
||||
{
|
||||
amount: String(amount),
|
||||
denom: network.nativeDenom!,
|
||||
},
|
||||
],
|
||||
},
|
||||
};
|
||||
|
||||
setTransactionDetails({
|
||||
chainId,
|
||||
fromAddress,
|
||||
toAddress,
|
||||
amount,
|
||||
account,
|
||||
balance: balance.amount,
|
||||
requestedNetwork: network,
|
||||
});
|
||||
|
||||
if (!checkSufficientFunds(amount, balance.amount)) {
|
||||
console.log("Insufficient funds detected. Throwing error.");
|
||||
throw new Error('Insufficient funds');
|
||||
}
|
||||
|
||||
const gasEstimation = await client.simulate(fromAddress, [sendMsg], MEMO);
|
||||
const gasLimit = String(
|
||||
Math.round(gasEstimation * Number(process.env.REACT_APP_GAS_ADJUSTMENT))
|
||||
);
|
||||
setGasLimit(gasLimit);
|
||||
|
||||
const gasPrice = GasPrice.fromString(`${network.gasPrice}${network.nativeDenom}`);
|
||||
const cosmosFees = calculateFee(Number(gasLimit), gasPrice);
|
||||
setFees(cosmosFees.amount[0].amount);
|
||||
|
||||
setIsTxRequested(true);
|
||||
} catch (error) {
|
||||
if (!(error instanceof Error)) {
|
||||
throw error;
|
||||
}
|
||||
setTxError(error.message);
|
||||
}
|
||||
}, [networksData]);
|
||||
|
||||
useEffect(() => {
|
||||
window.addEventListener('message', handleTxRequested);
|
||||
return () => window.removeEventListener('message', handleTxRequested);
|
||||
}, [handleTxRequested]);
|
||||
|
||||
const acceptRequestHandler = async () => {
|
||||
try {
|
||||
setIsTxLoading(true);
|
||||
if (!transactionDetails) {
|
||||
throw new Error('Tx details not set');
|
||||
}
|
||||
const balanceBigNum = BigNumber.from(transactionDetails.balance);
|
||||
const amountBigNum = BigNumber.from(String(transactionDetails.amount));
|
||||
if (amountBigNum.gte(balanceBigNum)) {
|
||||
throw new Error('Insufficient funds');
|
||||
}
|
||||
|
||||
const cosmosPrivKey = (
|
||||
await getPathKey(`${transactionDetails.requestedNetwork.namespace}:${transactionDetails.chainId}`, transactionDetails.account.index)
|
||||
).privKey;
|
||||
|
||||
const sender = await DirectSecp256k1Wallet.fromKey(
|
||||
Buffer.from(cosmosPrivKey.split('0x')[1], 'hex'),
|
||||
transactionDetails.requestedNetwork.addressPrefix
|
||||
);
|
||||
|
||||
const client = await SigningStargateClient.connectWithSigner(
|
||||
transactionDetails.requestedNetwork.rpcUrl!,
|
||||
sender
|
||||
);
|
||||
|
||||
const fee = calculateFee(
|
||||
Number(gasLimit),
|
||||
GasPrice.fromString(`${transactionDetails.requestedNetwork.gasPrice}${transactionDetails.requestedNetwork.nativeDenom}`)
|
||||
);
|
||||
|
||||
const txResult = await client.sendTokens(
|
||||
transactionDetails.fromAddress,
|
||||
transactionDetails.toAddress,
|
||||
[{ amount: String(transactionDetails.amount), denom: transactionDetails.requestedNetwork.nativeDenom! }],
|
||||
fee
|
||||
);
|
||||
|
||||
const event = txEventRef.current;
|
||||
if (event?.source) {
|
||||
sendMessage(event.source as Window, 'TRANSACTION_RESPONSE', txResult.transactionHash, event.origin);
|
||||
} else {
|
||||
console.error('No event source available to send message');
|
||||
}
|
||||
} catch (error) {
|
||||
if (!(error instanceof Error)) {
|
||||
throw error;
|
||||
}
|
||||
setTxError(error.message);
|
||||
} finally {
|
||||
setIsTxLoading(false);
|
||||
}
|
||||
};
|
||||
|
||||
const rejectRequestHandler = () => {
|
||||
const event = txEventRef.current;
|
||||
|
||||
setIsTxRequested(false);
|
||||
setTransactionDetails(null);
|
||||
if (event?.source) {
|
||||
sendMessage(event.source as Window, 'TRANSACTION_RESPONSE', null, event.origin);
|
||||
} else {
|
||||
console.error('No event source available to send message');
|
||||
}
|
||||
};
|
||||
|
||||
return (
|
||||
<>
|
||||
{isTxRequested && transactionDetails ? (
|
||||
<>
|
||||
<ScrollView contentContainerStyle={styles.appContainer}>
|
||||
<View style={styles.dataBoxContainer}>
|
||||
<Text style={styles.dataBoxLabel}>From</Text>
|
||||
<View style={styles.dataBox}>
|
||||
<AccountDetails account={transactionDetails.account} />
|
||||
</View>
|
||||
</View>
|
||||
<DataBox
|
||||
label={`Balance (${transactionDetails.requestedNetwork.nativeDenom})`}
|
||||
data={
|
||||
transactionDetails.balance === '' ||
|
||||
transactionDetails.balance === undefined
|
||||
? 'Loading balance...'
|
||||
: `${transactionDetails.balance}`
|
||||
}
|
||||
/>
|
||||
<View style={styles.approveTransfer}>
|
||||
<DataBox label="To" data={transactionDetails.toAddress} />
|
||||
<DataBox
|
||||
label={`Amount (${transactionDetails.requestedNetwork.nativeDenom})`}
|
||||
data={transactionDetails.amount}
|
||||
/>
|
||||
<TextInput
|
||||
mode="outlined"
|
||||
label="Fee"
|
||||
value={fees}
|
||||
onChangeText={setFees}
|
||||
style={styles.transactionFeesInput}
|
||||
/>
|
||||
<TextInput
|
||||
mode="outlined"
|
||||
label="Gas Limit"
|
||||
value={gasLimit}
|
||||
onChangeText={value =>
|
||||
/^\d+$/.test(value) ? setGasLimit(value) : null
|
||||
}
|
||||
/>
|
||||
</View>
|
||||
</ScrollView>
|
||||
<View style={styles.buttonContainer}>
|
||||
<Button
|
||||
mode="contained"
|
||||
onPress={acceptRequestHandler}
|
||||
loading={isTxLoading}
|
||||
disabled={!transactionDetails.balance || !fees || isTxLoading}
|
||||
>
|
||||
{isTxLoading ? 'Processing' : 'Yes'}
|
||||
</Button>
|
||||
<Button
|
||||
mode="contained"
|
||||
onPress={rejectRequestHandler}
|
||||
buttonColor="#B82B0D"
|
||||
disabled={isTxLoading}
|
||||
>
|
||||
No
|
||||
</Button>
|
||||
</View>
|
||||
</>
|
||||
) : (
|
||||
<View style={styles.spinnerContainer}>
|
||||
<View style={{marginTop: 50}}></View>
|
||||
<ActivityIndicator size="large" color="#0000ff" />
|
||||
</View>
|
||||
)}
|
||||
<TxErrorDialog
|
||||
error={txError!}
|
||||
visible={!!txError}
|
||||
hideDialog={() => {
|
||||
setTxError(null)
|
||||
if (window.parent) {
|
||||
sendMessage(window.parent, 'TRANSACTION_RESPONSE', null, '*');
|
||||
sendMessage(window.parent, 'closeIframe', null, '*');
|
||||
}
|
||||
}}
|
||||
/>
|
||||
</>
|
||||
);
|
||||
};
|
||||
@ -36,6 +36,7 @@ export type StackParamsList = {
|
||||
requestEvent: Web3WalletTypes.SessionRequest;
|
||||
requestSessionData: SessionTypes.Struct;
|
||||
};
|
||||
WalletEmbed: undefined;
|
||||
};
|
||||
|
||||
export type Account = {
|
||||
|
||||
Loading…
Reference in New Issue
Block a user