From 7debf1d4961c9ea463b3a6fc4a99a53b593ca3fa Mon Sep 17 00:00:00 2001
From: Chris Hibbert <hibbert@agoric.com>
Date: Thu, 18 Apr 2024 10:52:37 -0700
Subject: [PATCH] feat: upgrade zcf: install bundle and call
 updateZcfBundleId()

copied from #9250.
---
 golang/cosmos/app/app.go                      |  3 +-
 packages/vats/scripts/upgrade-zcf.js          | 18 ++++++++++
 .../vats/src/proposals/zcf-only-proposal.js   | 36 +++++++++++++++++++
 3 files changed, 56 insertions(+), 1 deletion(-)
 create mode 100644 packages/vats/scripts/upgrade-zcf.js
 create mode 100644 packages/vats/src/proposals/zcf-only-proposal.js

diff --git a/golang/cosmos/app/app.go b/golang/cosmos/app/app.go
index 0eee9cd0755..65c7bc8e562 100644
--- a/golang/cosmos/app/app.go
+++ b/golang/cosmos/app/app.go
@@ -857,7 +857,8 @@ func upgrade15Handler(app *GaiaApp, targetUpgrade string) func(sdk.Context, upgr
 			// Each CoreProposalStep runs sequentially, and can be constructed from
 			// one or more modules executing in parallel within the step.
 			CoreProposalSteps = []vm.CoreProposalStep{
-				// empty for now
+				// Upgrade ZCF only
+				vm.CoreProposalStepForModules("@agoric/vats/scripts/upgrade-zcf.js"),
 			}
 		}
 
diff --git a/packages/vats/scripts/upgrade-zcf.js b/packages/vats/scripts/upgrade-zcf.js
new file mode 100644
index 00000000000..a3105c46a76
--- /dev/null
+++ b/packages/vats/scripts/upgrade-zcf.js
@@ -0,0 +1,18 @@
+import { makeHelpers } from '@agoric/deploy-script-support';
+
+/** @type {import('packages/deploy-script-support/src/externalTypes.js').ProposalBuilder} */
+export const defaultProposalBuilder = async ({ publishRef, install }) =>
+  harden({
+    sourceSpec: '@agoric/vats/src/proposals/zcf-only-proposal.js',
+    getManifestCall: [
+      'getManifestForUpgradingZcf',
+      {
+        zcfRef: publishRef(install('@agoric/zoe/src/contractFacet/vatRoot.js')),
+      },
+    ],
+  });
+
+export default async (homeP, endowments) => {
+  const { writeCoreProposal } = await makeHelpers(homeP, endowments);
+  await writeCoreProposal('upgrade-zcf', defaultProposalBuilder);
+};
diff --git a/packages/vats/src/proposals/zcf-only-proposal.js b/packages/vats/src/proposals/zcf-only-proposal.js
new file mode 100644
index 00000000000..85d3fd1a569
--- /dev/null
+++ b/packages/vats/src/proposals/zcf-only-proposal.js
@@ -0,0 +1,36 @@
+// @ts-check
+import { E } from '@endo/far';
+
+/**
+ * @param {BootstrapPowers} powers
+ * @param {object} options
+ * @param {{ zcfRef: VatSourceRef }} options.options
+ */
+export const upgradeZcfOnly = async ({ consume: { vatStore } }, options) => {
+  const { zcfRef } = options.options;
+
+  const { root: zoeRoot } = await E(vatStore).get('zoe');
+
+  const zoeConfigFacet = await E(zoeRoot).getZoeConfigFacet();
+  await E(zoeConfigFacet).updateZcfBundleId(zcfRef.bundleID);
+  console.log(`ZCF BUNDLE ID: `, zcfRef.bundleID);
+};
+harden(upgradeZcfOnly);
+
+// main and permit are for use with rollup-plugin-core-eval.js
+export const main = upgradeZcfOnly;
+
+export const permit = {
+  consume: {
+    vatStore: true,
+  },
+};
+
+export const manifest = {
+  [upgradeZcfOnly.name]: permit,
+};
+
+export const getManifestForUpgradingZcf = (_powers, options) => ({
+  manifest,
+  options,
+});