feat: Add tooling for standalone performance benchmarks

packages/boot/test/bootstrapTests/benchmark-vaults.js

@@ -0,0 +1,45 @@
+// This is a version of bench-vaults-performance.js designed to run as a
+// standalone node executable, without reference to Ava, using the
+// benchmarkerator module.  It has had all intrinsic performance measurement
+// code stripped out of it, purely implementing the vault benchmark test code in
+// expectation of extrinsic measurement.
+
+import { bench } from './benchmarkerator.js';
+
+// eslint-disable-next-line import/order
+import { Offers } from '@agoric/inter-protocol/src/clientSupport.js';
+
+const collateralBrandKey = 'ATOM';
+
+bench.addBenchmark('vault open', {
+  executeRound: async (context, round) => {
+    const { alice } = context.actors;
+
+    const openVault = async (i, n, r) => {
+      const offerId = `open-vault-${i}-of-${n}-round-${r}`;
+      await alice.executeOfferMaker(Offers.vaults.OpenVault, {
+        offerId,
+        collateralBrandKey,
+        wantMinted: 5,
+        giveCollateral: 1.0,
+      });
+
+      const upd = alice.getLatestUpdateRecord();
+      assert(
+        upd.updated === 'offerStatus' &&
+          upd.status.id === offerId &&
+          upd.status.numWantsSatisfied === 1,
+      );
+    };
+
+    const openN = async n => {
+      const range = [...Array(n)].map((_, i) => i + 1);
+      await Promise.all(range.map(i => openVault(i, n, round)));
+    };
+
+    const roundSize = context.params.size ? Number(context.params.size) : 1;
+    await openN(roundSize);
+  },
+});
+
+await bench.run('vaults');