@reown/appkit-controllers
Version:
The full stack toolkit to build onchain app UX.
58 lines • 3.22 kB
JavaScript
import { ConstantsUtil } from '@reown/appkit-common';
import { ChainController } from '../controllers/ChainController.js';
import { ConnectorController } from '../controllers/ConnectorController.js';
import { RouterController } from '../controllers/RouterController.js';
export const NetworkUtil = {
/**
* Function to handle the network switch.
* This function has variety of conditions to handle the network switch depending on the connectors or namespace's connection states.
* @param args.network - The network to switch to.
* @param args.shouldConfirmSwitch - Whether to confirm the switch. If true, the user will be asked to confirm the switch if necessary.
* @returns void
*/
onSwitchNetwork({ network, ignoreSwitchConfirmation = false }) {
const currentNetwork = ChainController.state.activeCaipNetwork;
const currentNamespace = ChainController.state.activeChain;
const routerData = RouterController.state.data;
const isSameNetwork = network.id === currentNetwork?.id;
if (isSameNetwork) {
return;
}
const isCurrentNamespaceConnected = Boolean(ChainController.getAccountData(currentNamespace)?.address);
const isNextNamespaceConnected = Boolean(ChainController.getAccountData(network.chainNamespace)?.address);
const isDifferentNamespace = network.chainNamespace !== currentNamespace;
const connectorId = ConnectorController.getConnectorId(currentNamespace);
/**
* If the network is supported by the auth connector, we don't need to show switch active chain view.
* But there are some cases like switching from Ethereum to Bitcoin where Bitcoin is not supported by the auth connector and users should connect with another connector.
*/
const isConnectedWithAuth = connectorId === ConstantsUtil.CONNECTOR_ID.AUTH;
const isSupportedForAuthConnector = ConstantsUtil.AUTH_CONNECTOR_SUPPORTED_CHAINS.find(c => c === network.chainNamespace);
/**
* 1. If the ignoreSwitchConfirmation is set to true, we should switch to the network,
* 2. If user connected with auth connector and the next network is supported by the auth connector,
* we should switch to the network without confirmation screen.
*/
if (ignoreSwitchConfirmation || (isConnectedWithAuth && isSupportedForAuthConnector)) {
RouterController.push('SwitchNetwork', { ...routerData, network });
}
else if (
/**
* If user switching to a different namespace and next namespace is not connected, we need to show switch active chain view for confirmation first.
*/
isCurrentNamespaceConnected &&
isDifferentNamespace &&
!isNextNamespaceConnected) {
RouterController.push('SwitchActiveChain', {
switchToChain: network.chainNamespace,
navigateTo: 'Connect',
navigateWithReplace: true,
network
});
}
else {
RouterController.push('SwitchNetwork', { ...routerData, network });
}
}
};
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