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useGnosis.tsx
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useGnosis.tsx
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import React, {useState, createContext, useContext, useEffect} from 'react';
import Web3 from 'web3';
import {Error, WalletProviderProps, WalletData, initialWalletData} from './types';
import {gnosisSafe, hooks} from '../utils/gnosisSafe';
const {
useChainId,
useAccounts,
useProvider,
useENSNames
} = hooks;
declare global {
interface Window {
// eslint-disable-next-line @typescript-eslint/no-explicit-any
ethereum: any;
}
}
const web3 = new Web3(Web3.givenProvider);
export const GnosisContext = createContext<WalletData>(initialWalletData);
const isInstalled = () => {
return !!window.ethereum;
//todo написать функцию проверки подключен ли гнозис
};
export const GnosisProvider: React.FC<WalletProviderProps> = ({children}) => {
const chainId = useChainId();
const accounts = useAccounts();
const [account, setAccount] = useState<string>('');
const [error, setError] = useState<string>('');
const [isActive, setIsActive] = useState<boolean>(false);
const provider = useProvider();
const ENSNames = useENSNames(provider);
const [wallet, setWallet] = useState<string | null>('');
const connect = async () => {
if (!isInstalled()) {
window.open('https://metamask.io/download/', '_blank');
return;
}
gnosisSafe.connectEagerly();
sessionStorage.removeItem('wallet');
sessionStorage.removeItem('account');
sessionStorage.setItem('wallet', 'gnosisSafe');
setIsActive(true);
if (accounts) {
setAccount(accounts[0]);
sessionStorage.setItem('account', accounts[0]);
}
};
const disconnect = async () => {
window.location.reload();
};
const sendTransaction = () => {
let pending = false;
if (pending) {
return;
}
// eslint-disable-next-line @typescript-eslint/ban-ts-comment
// @ts-ignore
const currentSafeAddress = provider?.provider.safe.safeAddress;
pending = true;
const signer = provider?.getSigner(0);
signer?.sendTransaction({to: currentSafeAddress, value: '123'}).then((hash) => {
console.log(hash);
}).finally(() => {
pending = false;
}).catch((err: Error) => {
console.error(err);
});
};
const getBalance = async () => {
// eslint-disable-next-line @typescript-eslint/ban-ts-comment
// @ts-ignore
const currentSafeAddress = provider?.provider.safe.safeAddress;
const resHex = await gnosisSafe.sdk?.eth.getBalance([
currentSafeAddress
]);
const res = parseInt(resHex!, 16) / 1e18;
// eslint-disable-next-line no-alert
alert(res);
};
const signData = async () => {
const signer = provider?.getSigner(0);
const signed = await signer?.signMessage('hello');
};
useEffect(() => {
if (accounts) {
setAccount(accounts[0]);
sessionStorage.setItem('account', accounts[0]);
}
}, [accounts]);
useEffect(() => {
const interval = setInterval(() => {
setWallet(sessionStorage.getItem('wallet'));
}, 1000);
return () => {
clearInterval(interval);
};
}, []);
useEffect(() => {
if (wallet === 'gnosisSafe') {
connect();
}
}, [wallet]);
const values: WalletData = {
account,
chainId,
isActive,
error,
connect,
getBalance,
signData,
sendTransaction,
disconnect
};
return (
<GnosisContext.Provider value={{...values}}>
{children}
</GnosisContext.Provider>
);
};
export default function useGnosis(): WalletData {
const context = useContext(GnosisContext);
if (!context) {
throw new Error('useGnosis hook must be used with a GnosisProvider component');
}
return context;
}