wallet-core: for most CLI commands, start task loop lazily

We don't want potential network activity when we just check the status
of transactions, look at the balance, etc.

1 files changed, 15 insertions, 4 deletions

diff --git a/packages/taler-wallet-core/src/wallet.ts b/packages/taler-wallet-core/src/wallet.ts
index b8ef4976d..b232080e9 100644
--- a/packages/taler-wallet-core/src/wallet.ts
+++ b/packages/taler-wallet-core/src/wallet.ts
@@ -742,7 +742,6 @@ async function dispatchRequestInternal(
           innerError: getErrorDetailFromException(e),
         });
       }
-
       wex.ws.initWithConfig(applyRunConfigDefaults(req.config));
 
       if (wex.ws.config.testing.skipDefaults) {
@@ -755,8 +754,11 @@ async function dispatchRequestInternal(
         versionInfo: getVersion(wex),
       };
 
-      // After initialization, task loop should run.
-      await wex.taskScheduler.ensureRunning();
+      if (req.config?.features?.lazyTaskLoop) {
+        logger.trace("lazily starting task loop");
+      } else {
+        await wex.taskScheduler.ensureRunning();
+      }
 
       wex.ws.initCalled = true;
       return resp;
@@ -1623,6 +1625,14 @@ async function handleCoreApiRequest(
   id: string,
   payload: unknown,
 ): Promise<CoreApiResponse> {
+  if (operation !== WalletApiOperation.InitWallet) {
+    if (!ws.initCalled) {
+      throw Error("init must be called first");
+    }
+    // Might be lazily initialized!
+    await ws.taskScheduler.ensureRunning();
+  }
+
   let wex: WalletExecutionContext;
   let oc: ObservabilityContext;
 
@@ -1702,6 +1712,7 @@ export function applyRunConfigDefaults(
     },
     features: {
       allowHttp: wcp?.features?.allowHttp ?? false,
+      lazyTaskLoop: false,
     },
     testing: {
       denomselAllowLate: wcp?.testing?.denomselAllowLate ?? false,
@@ -1821,7 +1832,7 @@ class WalletDbTriggerSpec implements TriggerSpec {
     if (info.mode !== "readwrite") {
       return;
     }
-    logger.info(
+    logger.trace(
       `in after commit callback for readwrite, modified ${j2s([
         ...info.modifiedStores,
       ])}`,