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Web3 Modal with walletconnect #74

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Web3 Modal with walletconnect #74

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88d0776
Web3 Modal
biendeveloper Jan 1, 2022
c54f252
Remove fortmatic
biendeveloper Jan 1, 2022
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1 change: 1 addition & 0 deletions .gitignore
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Original file line number Diff line number Diff line change
Expand Up @@ -21,3 +21,4 @@
!LICENSE
web/lib/config.js
web/lib/rollup-config.js
node_modules
6 changes: 6 additions & 0 deletions web/app/index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,12 @@
<meta property='og:image' content='/lib/assets/preview-v2.jpg'>
<meta property='og:title' content='Habitat - Communities'>
<title>Habitat - Communities</title>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
<script type="text/javascript" src="https://unpkg.com/[email protected]/dist/web3.min.js"></script>
<script type="text/javascript" src="https://unpkg.com/[email protected]/dist/index.js"></script>
<script type="text/javascript" src="https://unpkg.com/[email protected]/dist/umd/index.min.js"></script>
<script type="text/javascript" src="https://unpkg.com/@walletconnect/[email protected]/dist/umd/index.min.js"></script>
<script type="text/javascript" src="https://unpkg.com/[email protected]/dist/fortmatic.js"></script>
<script src='/lib/common.js'></script>
<script type='module' src='/lib/HabitatBackground.js'></script>
<script type='module' src='/lib/HabitatSidebar.js'></script>
Expand Down
42 changes: 33 additions & 9 deletions web/lib/utils.js
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,34 @@ const PERMIT_STRUCT_DAI = [
{ name: 'allowed', type: 'bool' },
];

const Web3Modal = window.Web3Modal.default;
const WalletConnectProvider = window.WalletConnectProvider.default;

// Web3modal instance
let web3Modal

// Chosen wallet provider given by the dialog window
let provider;

const INFURA_ID = "1dd34ee9e5e2492b80994f6c1aafb49a";

const providerOptions = {
walletconnect: {
package: WalletConnectProvider,
options: {
infuraId: INFURA_ID,
}
}
};

web3Modal = new Web3Modal({
cacheProvider: true,
providerOptions,
disableInjectedProvider: false,
});

console.log("Web3Modal instance is", web3Modal);

const FAKE_WALLET = new ethers.Wallet('0x88426e5c8987b3ec0b7cb58bfedc420f229a548d1e6c9d7d0ad0066c3f69e87f');
const PERMIT_DAI = new ethers.utils.Interface(
['function permit(address holder,address spender,uint256 nonce,uint256 expiry,bool allowed,uint8 v,bytes32 r,bytes32 s)']
Expand Down Expand Up @@ -92,7 +120,7 @@ export async function getErc20 (addr) {
const WALLET_AUTH_KEY = '_utils_wallet_auth';

export function walletIsConnected () {
return !!document._signer || (window.ethereum && window.ethereum.selectedAddress);
return !!document._signer || localStorage.getItem(WALLET_AUTH_KEY);
}

export async function getSigner (throwIfWrongChain = true) {
Expand All @@ -103,15 +131,11 @@ export async function getSigner (throwIfWrongChain = true) {
}
}

if (!window.ethereum) {
throw new Error('Please visit this page with a dApp compatible browser');
}

// TODO: check for errors
await new Promise(
(resolve) => window.ethereum.sendAsync({ jsonrpc: '2.0', id: 1, method: 'eth_requestAccounts', params: [] }, resolve)
);
const signer = (new ethers.providers.Web3Provider(window.ethereum, 'any')).getSigner();

const provider = await web3Modal.connect();
window.provider = provider;
const signer = (new ethers.providers.Web3Provider(provider)).getSigner();
const network = await signer.provider.getNetwork();

if (throwIfWrongChain && network.chainId !== ROOT_CHAIN_ID) {
Expand Down