@web3-react/walletconnect-v2
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JavaScript
"use strict";
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var __rest = (this && this.__rest) || function (s, e) {
var t = {};
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
t[p] = s[p];
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var __importDefault = (this && this.__importDefault) || function (mod) {
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};
Object.defineProperty(exports, "__esModule", { value: true });
exports.WalletConnect = exports.URI_AVAILABLE = void 0;
const types_1 = require("@web3-react/types");
const eventemitter3_1 = __importDefault(require("eventemitter3"));
const utils_1 = require("./utils");
exports.URI_AVAILABLE = 'URI_AVAILABLE';
const DEFAULT_TIMEOUT = 5000;
class WalletConnect extends types_1.Connector {
constructor({ actions, defaultChainId, options, timeout = DEFAULT_TIMEOUT, onError }) {
super(actions, onError);
this.events = new eventemitter3_1.default();
this.disconnectListener = (error) => {
var _a;
this.actions.resetState();
if (error)
(_a = this.onError) === null || _a === void 0 ? void 0 : _a.call(this, error);
};
this.chainChangedListener = (chainId) => {
this.actions.update({ chainId: Number.parseInt(chainId, 16) });
};
this.accountsChangedListener = (accounts) => {
this.actions.update({ accounts });
};
this.URIListener = (uri) => {
this.events.emit(exports.URI_AVAILABLE, uri);
};
const { rpcMap, rpc } = options, rest = __rest(options, ["rpcMap", "rpc"]);
this.options = rest;
this.defaultChainId = defaultChainId;
this.rpcMap = rpcMap || rpc;
this.timeout = timeout;
const { chains, optionalChains } = this.getChainProps(rest.chains, rest.optionalChains, defaultChainId);
this.chains = chains;
this.optionalChains = optionalChains;
}
initializeProvider(desiredChainId = this.defaultChainId) {
return __awaiter(this, void 0, void 0, function* () {
const rpcMap = this.rpcMap ? (0, utils_1.getBestUrlMap)(this.rpcMap, this.timeout) : undefined;
const chainProps = this.getChainProps(this.chains, this.optionalChains, desiredChainId);
const ethProviderModule = yield Promise.resolve().then(() => __importStar(require('@walletconnect/ethereum-provider')));
this.provider = yield ethProviderModule.default.init(Object.assign(Object.assign(Object.assign({}, this.options), chainProps), { rpcMap: yield rpcMap }));
return this.provider
.on('disconnect', this.disconnectListener)
.on('chainChanged', this.chainChangedListener)
.on('accountsChanged', this.accountsChangedListener)
.on('display_uri', this.URIListener);
});
}
getChainProps(chains, optionalChains, desiredChainId = this.defaultChainId) {
// Reorder chains and optionalChains if necessary
const orderedChains = (0, utils_1.getChainsWithDefault)(chains, desiredChainId);
const orderedOptionalChains = (0, utils_1.getChainsWithDefault)(optionalChains, desiredChainId);
// Validate and return the result.
// Type discrimination requires that we use these typeguard checks to guarantee a valid return type.
if ((0, utils_1.isArrayOneOrMore)(orderedChains)) {
return { chains: orderedChains, optionalChains: orderedOptionalChains };
}
else if ((0, utils_1.isArrayOneOrMore)(orderedOptionalChains)) {
return { chains: orderedChains, optionalChains: orderedOptionalChains };
}
throw new Error('Either chains or optionalChains must have at least one item.');
}
isomorphicInitialize(desiredChainId = this.defaultChainId) {
if (this.eagerConnection)
return this.eagerConnection;
return (this.eagerConnection = this.initializeProvider(desiredChainId));
}
/** {@inheritdoc Connector.connectEagerly} */
connectEagerly() {
return __awaiter(this, void 0, void 0, function* () {
const cancelActivation = this.actions.startActivation();
try {
const provider = yield this.isomorphicInitialize();
// WalletConnect automatically persists and restores active sessions
if (!provider.session) {
throw new Error('No active session found. Connect your wallet first.');
}
this.actions.update({ accounts: provider.accounts, chainId: provider.chainId });
}
catch (error) {
yield this.deactivate();
cancelActivation();
throw error;
}
});
}
/**
* @param desiredChainId - The desired chainId to connect to.
*/
activate(desiredChainId) {
var _a;
return __awaiter(this, void 0, void 0, function* () {
const provider = yield this.isomorphicInitialize(desiredChainId);
if (provider.session) {
if (!desiredChainId || desiredChainId === provider.chainId)
return;
// WalletConnect exposes connected accounts, not chains: `eip155:${chainId}:${address}`
const isConnectedToDesiredChain = provider.session.namespaces.eip155.accounts.some((account) => account.startsWith(`eip155:${desiredChainId}:`));
if (!isConnectedToDesiredChain) {
if ((_a = this.options.optionalChains) === null || _a === void 0 ? void 0 : _a.includes(desiredChainId)) {
throw new Error(`Cannot activate an optional chain (${desiredChainId}), as the wallet is not connected to it.\n\tYou should handle this error in application code, as there is no guarantee that a wallet is connected to a chain configured in "optionalChains".`);
}
throw new Error(`Unknown chain (${desiredChainId}). Make sure to include any chains you might connect to in the "chains" or "optionalChains" parameters when initializing WalletConnect.`);
}
return provider.request({
method: 'wallet_switchEthereumChain',
params: [{ chainId: `0x${desiredChainId.toString(16)}` }],
});
}
const cancelActivation = this.actions.startActivation();
try {
yield provider.enable();
this.actions.update({ chainId: provider.chainId, accounts: provider.accounts });
}
catch (error) {
yield this.deactivate();
cancelActivation();
throw error;
}
});
}
/** {@inheritdoc Connector.deactivate} */
deactivate() {
var _a;
return __awaiter(this, void 0, void 0, function* () {
(_a = this.provider) === null || _a === void 0 ? void 0 : _a.removeListener('disconnect', this.disconnectListener).removeListener('chainChanged', this.chainChangedListener).removeListener('accountsChanged', this.accountsChangedListener).removeListener('display_uri', this.URIListener).disconnect();
this.provider = undefined;
this.eagerConnection = undefined;
this.actions.resetState();
});
}
}
exports.WalletConnect = WalletConnect;