1 files changed, 36 insertions, 0 deletions
diff --git a/gui/src/renderer/lib/constraint-updater.ts b/gui/src/renderer/lib/constraint-updater.ts
new file mode 100644
index 0000000000..ce9f49f376
--- /dev/null
+++ b/gui/src/renderer/lib/constraint-updater.ts
@@ -0,0 +1,36 @@
+import { RelaySettingsRedux } from '../redux/settings/reducers';
+import RelaySettingsBuilder from '../../shared/relay-settings-builder';
+
+export function createWireguardRelayUpdater(
+  relaySettings: RelaySettingsRedux,
+): ReturnType<typeof RelaySettingsBuilder['normal']> {
+  if ('normal' in relaySettings) {
+    const constraints = relaySettings.normal.wireguard;
+
+    const relayUpdate = RelaySettingsBuilder.normal().tunnel.wireguard((wireguard) => {
+      if (constraints.port === 'any') {
+        wireguard.port.any();
+      } else {
+        wireguard.port.exact(constraints.port);
+      }
+
+      if (constraints.ipVersion === 'any') {
+        wireguard.ipVersion.any();
+      } else {
+        wireguard.ipVersion.exact(constraints.ipVersion);
+      }
+
+      wireguard.useMultihop(constraints.useMultihop);
+
+      if (constraints.entryLocation === 'any') {
+        wireguard.entryLocation.any();
+      } else if (constraints.entryLocation !== undefined) {
+        wireguard.entryLocation.exact(constraints.entryLocation);
+      }
+    });
+
+    return relayUpdate;
+  } else {
+    return RelaySettingsBuilder.normal();
+  }
+}