protocol/packages/0x.js/src/subproviders/empty_wallet_subprovider.ts

25 lines
786 B
TypeScript

import {JSONRPCPayload} from '../types';
/*
* This class implements the web3-provider-engine subprovider interface and returns
* that the provider has no addresses when queried.
* Source: https://github.com/MetaMask/provider-engine/blob/master/subproviders/subprovider.js
*/
export class EmptyWalletSubProvider {
public handleRequest(payload: JSONRPCPayload, next: () => void, end: (err: Error|null, result: any) => void) {
switch (payload.method) {
case 'eth_accounts':
end(null, []);
return;
default:
next();
return;
}
}
// Required to implement this method despite not needing it for this subprovider
public setEngine(engine: any) {
// noop
}
}