From b3b76664bb57924a1f13cf7214857c604329318b Mon Sep 17 00:00:00 2001
From: Chris Hibbert <hibbert@agoric.com>
Date: Mon, 16 Dec 2024 08:45:04 -0800
Subject: [PATCH] test: add proposal w/300 E(chainTimerService).getTimerBrand()
 calls

---
 .../builders/scripts/testing/provokeBOYD.js   | 49 +++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 packages/builders/scripts/testing/provokeBOYD.js

diff --git a/packages/builders/scripts/testing/provokeBOYD.js b/packages/builders/scripts/testing/provokeBOYD.js
new file mode 100644
index 00000000000..40d607c68c8
--- /dev/null
+++ b/packages/builders/scripts/testing/provokeBOYD.js
@@ -0,0 +1,49 @@
+/**
+ * @file call getTimerBrand() 300 times in hopes of provoking BOYD.
+ */
+import { makeTracer } from '@agoric/internal';
+import { E } from '@endo/far';
+
+/// <reference types="@agoric/vats/src/core/types-ambient"/>
+/** @import {Instance} from '@agoric/zoe/src/zoeService/utils.js'; */
+
+const trace = makeTracer('provokeBOYD', true);
+
+/**
+ * @param {BootstrapPowers} powers
+ */
+export const provokeBOYD = async ({ consume: { chainTimerService } }) => {
+  trace(provokeBOYD.name);
+  await null;
+
+  for (let i = 0; i < 300; i += 1) {
+    await E(chainTimerService).getTimerBrand();
+  }
+  trace('done');
+};
+harden(provokeBOYD);
+
+export const getManifestForProvokeBOYD = () => {
+  return {
+    manifest: {
+      [provokeBOYD.name]: {
+        consume: { chainTimerService: true },
+      },
+    },
+  };
+};
+
+/** @type {import('@agoric/deploy-script-support/src/externalTypes.js').CoreEvalBuilder} */
+export const defaultProposalBuilder = async () =>
+  harden({
+    sourceSpec: '@agoric/builders/scripts/testing/provokeBOYD.js',
+    getManifestCall: ['getManifestForProvokeBOYD'],
+  });
+
+/** @type {import('@agoric/deploy-script-support/src/externalTypes.js').DeployScriptFunction} */
+export default async (homeP, endowments) => {
+  const dspModule = await import('@agoric/deploy-script-support');
+  const { makeHelpers } = dspModule;
+  const { writeCoreEval } = await makeHelpers(homeP, endowments);
+  await writeCoreEval(provokeBOYD.name, defaultProposalBuilder);
+};