feat: pending sweeps CLI command (#655)

lib/cli/commands/PendingSweeps.ts

@@ -0,0 +1,19 @@
+import { Arguments } from 'yargs';
+import { GetPendingSweepsRequest } from '../../proto/boltzrpc_pb';
+import { ApiType, BuilderTypes } from '../BuilderComponents';
+import { callback, loadBoltzClient } from '../Command';
+
+export const command = 'pendingsweeps';
+
+export const describe = 'lists the swap ids that have pending sweeps';
+
+export const builder = {};
+
+export const handler = (
+  argv: Arguments<BuilderTypes<typeof builder> & ApiType>,
+): void => {
+  loadBoltzClient(argv).getPendingSweeps(
+    new GetPendingSweepsRequest(),
+    callback(),
+  );
+};