diff --git a/a3p-integration/proposals/n:upgrade-next/package.json b/a3p-integration/proposals/n:upgrade-next/package.json
index c3bd2a7c3c10..2f77b86a9e84 100644
--- a/a3p-integration/proposals/n:upgrade-next/package.json
+++ b/a3p-integration/proposals/n:upgrade-next/package.json
@@ -18,7 +18,7 @@
   "type": "module",
   "license": "Apache-2.0",
   "dependencies": {
-    "@agoric/synthetic-chain": "^0.1.0",
+    "@agoric/synthetic-chain": "^0.2.1",
     "ava": "^5.3.1"
   },
   "ava": {
diff --git a/a3p-integration/proposals/n:upgrade-next/performAction.js b/a3p-integration/proposals/n:upgrade-next/performAction.js
new file mode 100644
index 000000000000..36b17c62a29e
--- /dev/null
+++ b/a3p-integration/proposals/n:upgrade-next/performAction.js
@@ -0,0 +1,40 @@
+#!/usr/bin/env node
+
+import {
+  GOV1ADDR,
+  CHAINID,
+  agd,
+  agopsInter,
+  addUser,
+  waitForBlock,
+  provisionSmartWallet,
+  ATOM_DENOM,
+} from '@agoric/synthetic-chain';
+
+export const bankSend = (from, addr, wanted) => {
+  const chain = ['--chain-id', CHAINID];
+  const fromArg = ['--from', from];
+  const testKeyring = ['--keyring-backend', 'test'];
+  const noise = [...fromArg, ...chain, ...testKeyring, '--yes'];
+
+  return agd.tx('bank', 'send', from, addr, wanted, ...noise);
+};
+
+const bidder = await addUser('long-living-bidder');
+console.log('BIDDDER', bidder);
+await bankSend(GOV1ADDR, bidder, `80000000uist`);
+console.log('IST sent');
+await provisionSmartWallet(bidder, `20000000ubld,100000000${ATOM_DENOM}`);
+console.log('Provision sent');
+await waitForBlock(3);
+console.log('Wait For Block done. Sending bid offer');
+agopsInter(
+  'bid',
+  'by-price',
+  `--price 49.0`,
+  `--give 80IST`,
+  '--from',
+  bidder,
+  '--keyring-backend test',
+  `--offer-id long-living-bid-for-acceptance`,
+);
diff --git a/a3p-integration/proposals/n:upgrade-next/tsconfig.json b/a3p-integration/proposals/n:upgrade-next/tsconfig.json
index 39de5a422e95..835db5a03167 100644
--- a/a3p-integration/proposals/n:upgrade-next/tsconfig.json
+++ b/a3p-integration/proposals/n:upgrade-next/tsconfig.json
@@ -1,7 +1,8 @@
 {
   "compilerOptions": {
     "target": "esnext",
-    "module": "esnext",
+    "module": "NodeNext",
+    "moduleResolution": "NodeNext",
     "allowJs": true,
     "checkJs": true,
     "strict": false,
diff --git a/a3p-integration/proposals/n:upgrade-next/use.sh b/a3p-integration/proposals/n:upgrade-next/use.sh
new file mode 100644
index 000000000000..d1cd92ac17cc
--- /dev/null
+++ b/a3p-integration/proposals/n:upgrade-next/use.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+
+# Exit when any command fails
+set -e
+
+source /usr/src/upgrade-test-scripts/env_setup.sh
+
+./performAction.js
diff --git a/a3p-integration/proposals/n:upgrade-next/yarn.lock b/a3p-integration/proposals/n:upgrade-next/yarn.lock
index 71cdf48439b7..f60559d279ae 100644
--- a/a3p-integration/proposals/n:upgrade-next/yarn.lock
+++ b/a3p-integration/proposals/n:upgrade-next/yarn.lock
@@ -5,24 +5,25 @@ __metadata:
   version: 8
   cacheKey: 10c0
 
-"@agoric/synthetic-chain@npm:^0.1.0":
-  version: 0.1.0
-  resolution: "@agoric/synthetic-chain@npm:0.1.0"
+"@agoric/synthetic-chain@npm:^0.2.1":
+  version: 0.2.1
+  resolution: "@agoric/synthetic-chain@npm:0.2.1"
   dependencies:
-    "@endo/zip": "npm:^1.0.1"
-    better-sqlite3: "npm:^9.4.0"
+    "@endo/zip": "npm:^1.0.6"
+    better-sqlite3: "npm:^9.6.0"
     chalk: "npm:^5.3.0"
+    cosmjs-types: "npm:^0.9.0"
     execa: "npm:^8.0.1"
   bin:
     synthetic-chain: dist/cli/cli.js
-  checksum: 10c0/8305293d085cde9cbf94670134216e06337c5624c45faf5dfebb86762042abe7b4340cf3205e671dfce54e888bd4e9b3428400756833fa06f2bbb21b44668c44
+  checksum: 10c0/ca3bfe968d0f157b4fdad3cc7e234c0d38f2eb8cc55ce4cb0a82f02a5371ef49d534fec05be6ef769cb166d0da278fb3e900b5882d08410008c2bb5e7e719de3
   languageName: node
   linkType: hard
 
-"@endo/zip@npm:^1.0.1":
-  version: 1.0.1
-  resolution: "@endo/zip@npm:1.0.1"
-  checksum: 10c0/1074bdc10287f4c94b3423e130da88f9c6ba09c999483c1164b3eed061350a060d2dbe377cfa3b8d4a86b3f1c3aed5cbf0cdd78ee2bf2cb9b837caa2ebbf712f
+"@endo/zip@npm:^1.0.6":
+  version: 1.0.7
+  resolution: "@endo/zip@npm:1.0.7"
+  checksum: 10c0/a1c0d155448ce877012b34c8fe8cd3a58de9eb807514c81cddeebb802ee8e552b27d8a9a40fab3f3e4c49e0cb7fea6902fa1dd12a23ff6f30b56161fc3edc1f8
   languageName: node
   linkType: hard
 
@@ -290,14 +291,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"better-sqlite3@npm:^9.4.0":
-  version: 9.4.0
-  resolution: "better-sqlite3@npm:9.4.0"
+"better-sqlite3@npm:^9.6.0":
+  version: 9.6.0
+  resolution: "better-sqlite3@npm:9.6.0"
   dependencies:
     bindings: "npm:^1.5.0"
     node-gyp: "npm:latest"
     prebuild-install: "npm:^7.1.1"
-  checksum: 10c0/42b2edfa46d62763514b87122245a3513a5ff20f05fef4fb49fec33f3de0a51a29025596178f57c634b8013f16bbdf8169a308fb3e3b8d126d715788d72d1e74
+  checksum: 10c0/8db9b38f414e26a56d4c40fc16e94a253118491dae0e2c054338a9e470f1a883c7eb4cb330f2f5737db30f704d4f2e697c59071ca04e03364ee9fe04375aa9c8
   languageName: node
   linkType: hard
 
@@ -559,6 +560,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"cosmjs-types@npm:^0.9.0":
+  version: 0.9.0
+  resolution: "cosmjs-types@npm:0.9.0"
+  checksum: 10c0/bc20f4293fb34629d7c5f96bafe533987f753df957ff68eb078d0128ae5a418320cb945024441769a07bb9bc5dde9d22b972fd40d485933e5706ea191c43727b
+  languageName: node
+  linkType: hard
+
 "cross-spawn@npm:^7.0.0, cross-spawn@npm:^7.0.3":
   version: 7.0.3
   resolution: "cross-spawn@npm:7.0.3"
@@ -1820,7 +1828,7 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "root-workspace-0b6124@workspace:."
   dependencies:
-    "@agoric/synthetic-chain": "npm:^0.1.0"
+    "@agoric/synthetic-chain": "npm:^0.2.1"
     ava: "npm:^5.3.1"
   languageName: unknown
   linkType: soft
diff --git a/a3p-integration/proposals/z:acceptance/auction.test.js b/a3p-integration/proposals/z:acceptance/auction.test.js
index ea45cb580be3..6da02f85159f 100644
--- a/a3p-integration/proposals/z:acceptance/auction.test.js
+++ b/a3p-integration/proposals/z:acceptance/auction.test.js
@@ -1,28 +1,29 @@
 /**
  * @file In this file we aim to test auctioneer in an isolated manner. Here's the scenario to test;
  * - Send 100 ATOMs to gov1 from validator
- * - Make sure auctioneer params like ClockStep, StartFrequency are reduced
  * - For book0, ATOM is collateral, set two types of bids; by price and by percentage, user1 is the bidder
- * - Deposit some collateral into book0, gov1 is the depositor
+ * - Deposit 100 ATOMs into book0, gov1 is the depositor
  * - Wait until placed bids get their payouts
- * - Make sure the depositer gets correct amounts
+ * - Make sure the depositor gets correct amounts
  */
 
+/** @typedef {import('./test-lib/sync-tools.js').RetyrOptions} RetryOptions */
+
 import {
   addPreexistingOracles,
   agd,
   agopsInter,
   agoric,
   ATOM_DENOM,
-  bankSend,
-  createBid,
+  CHAINID,
   executeOffer,
-  getLiveOffers,
   getPriceQuote,
+  getUser,
   GOV1ADDR,
+  GOV3ADDR,
   pushPrices,
   USER1ADDR,
-  waitForBlock,
+  VALIDATORADDR,
 } from '@agoric/synthetic-chain';
 import '@endo/init';
 import test from 'ava';
@@ -32,144 +33,168 @@ import {
   waitUntilAccountFunded,
   waitUntilOfferResult,
 } from './test-lib/sync-tools.js';
+import { AmountMath } from '@agoric/ertp';
+
+export const scale6 = x => BigInt(Math.round(x * 1_000_000));
 
-const ambientAuthroity = {
+const ambientAuthority = {
   query: agd.query,
   follow: agoric.follow,
   setTimeout: globalThis.setTimeout,
 };
 
+const fromBoard = makeFromBoard();
+const marshaller = boardSlottingMarshaller(fromBoard.convertSlotToVal);
+
+export const bankSend = (from, addr, wanted) => {
+  const chain = ['--chain-id', CHAINID];
+  const fromArg = ['--from', from];
+  const testKeyring = ['--keyring-backend', 'test'];
+  const noise = [...fromArg, ...chain, ...testKeyring, '--yes'];
+
+  return agd.tx('bank', 'send', from, addr, wanted, ...noise);
+};
+
 const config = {
-  price: 9.99,
+  depositor: {
+    depositValue: '100000000',
+    offerId: `gov1-deposit-${Date.now()}`,
+  },
+  price: 50.0,
   bidsSetup: [
     {
-      give: '80IST',
-      discount: 0.1,
-    },
-    {
+      bidder: USER1ADDR,
+      bidderFund: {
+        value: 90000000,
+        denom: 'uist',
+      },
+      offerId: `user1-bid-${Date.now()}`,
       give: '90IST',
-      price: 9.0,
+      price: 46,
     },
     {
+      bidder: GOV3ADDR,
+      bidderFund: {
+        value: 150000000,
+        denom: 'uist',
+      },
+      offerId: `gov3-bid-${Date.now()}`,
       give: '150IST',
-      discount: 0.15,
+      discount: '13',
     },
   ],
   bidsOutcome: [
     {
       payouts: {
         Bid: 0,
-        Collateral: 8.897786,
+        Collateral: 1.68421,
       },
     },
     {
       payouts: {
         Bid: 0,
-        Collateral: 10.01001,
+        Collateral: 2.0,
       },
     },
     {
       payouts: {
-        Bid: 10.46,
-        Collateral: 16.432903,
+        Bid: 0,
+        Collateral: 3.448275,
       },
     },
   ],
 };
 
-const oraclesByBrand = new Map();
-
-let roundId = 2;
-
-const setupOracles = async t => {
+const pushPricesForAuction = async t => {
+  const oraclesByBrand = new Map();
   await addPreexistingOracles('ATOM', oraclesByBrand);
 
-  await pushPrices(9.99, 'ATOM', oraclesByBrand, roundId);
-  roundId += 1;
+  await pushPrices(config.price, 'ATOM', oraclesByBrand, t.context.roundId + 1);
+
   await retryUntilCondition(
     () => getPriceQuote('ATOM'),
-    res => res === '+9990000',
-    'error',
-    { log: t.log, setTimeout: globalThis.setTimeout },
+    res => res === `+${scale6(config.price).toString()}`,
+    'price not pushed yet',
+    {
+      log: t.log,
+      setTimeout: globalThis.setTimeout,
+      ...t.context.pushPriceRetryOpts,
+    },
   );
 };
 
-const BID_OFFER_ID = `bid-acceptance-${Date.now()}`;
-const DEPOSIT_OFFER_ID = `gov1-deposit-${Date.now()}`;
+const fundAccts = async (depositorAmt = '100000000', t) => {
+  const retryOpts = t.context.retryOpts.bankSendRetryOpts;
 
-const createNewBid = async t => {
-  await createBid('20', USER1ADDR, BID_OFFER_ID);
-  const liveOffers = await getLiveOffers(USER1ADDR);
-  t.true(liveOffers[0].includes(BID_OFFER_ID));
-};
-
-const getBalance = async (target, addr) => {
-  const { balances } = await agd.query('bank', 'balances', addr);
-  const { amount } = balances.find(({ denom }) => denom === target);
-  return Number(amount);
-};
+  await bankSend(VALIDATORADDR, GOV1ADDR, `${depositorAmt}${ATOM_DENOM}`),
+    await waitUntilAccountFunded(
+      GOV1ADDR,
+      ambientAuthority,
+      { denom: ATOM_DENOM, value: Number(depositorAmt) },
+      { errorMessage: 'gov1 not funded yet', ...retryOpts },
+    );
 
-const fundAccts = async (
-  depositorAmt = '100000000',
-  bidderAmt = '100000000',
-) => {
-  await Promise.all([
-    bankSend(GOV1ADDR, `${depositorAmt}${ATOM_DENOM}`),
-    bankSend(USER1ADDR, `${bidderAmt}${ATOM_DENOM}`),
-  ]);
+  const user1Fund = config.bidsSetup[0].bidderFund;
+  await bankSend(GOV1ADDR, USER1ADDR, `${user1Fund.value}${user1Fund.denom}`);
+  await waitUntilAccountFunded(USER1ADDR, ambientAuthority, user1Fund, {
+    errorMessage: 'user1 not funded yet',
+    ...retryOpts,
+  });
 
-  await Promise.all([
-    waitUntilAccountFunded(
-      GOV1ADDR,
-      ambientAuthroity,
-      { denom: 'uist', value: Number(depositorAmt) },
-      { errorMessage: 'gov1 not funded yet' },
-    ),
-    waitUntilAccountFunded(
-      USER1ADDR,
-      ambientAuthroity,
-      { denom: ATOM_DENOM, value: Number(bidderAmt) },
-      { errorMessage: 'user1 not funded yet' },
-    ),
-  ]);
+  const gov3Fund = config.bidsSetup[1].bidderFund;
+  await bankSend(GOV1ADDR, GOV3ADDR, `${gov3Fund.value}${gov3Fund.denom}`);
+  await waitUntilAccountFunded(GOV3ADDR, ambientAuthority, gov3Fund, {
+    errorMessage: 'gov3 not funded yet',
+    ...retryOpts,
+  });
 };
 
-const bidByPrice = (price, give, offerId) => {
-  agopsInter(
+const bidByPrice = (price, give, offerId, bidder, t) => {
+  return agopsInter(
     'bid',
     'by-price',
     `--price ${price}`,
     `--give ${give}`,
     '--from',
-    USER1ADDR,
+    bidder,
     '--keyring-backend test',
     `--offer-id ${offerId}`,
   );
-
-  return waitUntilOfferResult(USER1ADDR, offerId, true, ambientAuthroity, {
-    errorMessage: 'bid not settled yet',
-    maxRetries: 10,
-    retryIntervalMs: 10000,
-  });
 };
 
-const depositCollateral = async t => {
-  const fromBoard = makeFromBoard();
-  const marshaller = boardSlottingMarshaller(fromBoard.convertSlotToVal);
+const bidByDiscount = (discount, give, offerId, bidder, t) => {
+  return agopsInter(
+    'bid',
+    'by-discount',
+    `--discount ${discount}`,
+    `--give ${give}`,
+    '--from',
+    bidder,
+    '--keyring-backend test',
+    `--offer-id ${offerId}`,
+  );
+};
 
-  const brandsRaw = await agoric.follow(
-    '-lF',
-    ':published.agoricNames.brand',
-    '-o',
-    'text',
+const placeBids = t => {
+  return [...config.bidsSetup].map(
+    ({ bidder, offerId, price, give, discount }) => {
+      if (price) return bidByPrice(price, give, offerId, bidder, t);
+      return bidByDiscount(discount, give, offerId, bidder, t);
+    },
   );
+};
+
+const depositCollateral = async t => {
+  const [brandsRaw, retryOptions] = await Promise.all([
+    agoric.follow('-lF', ':published.agoricNames.brand', '-o', 'text'),
+    calculateRetryUntilNextStartTime(),
+  ]);
   const brands = Object.fromEntries(
     marshaller.fromCapData(JSON.parse(brandsRaw)),
   );
-  t.log(brands);
 
   const offerSpec = {
-    id: DEPOSIT_OFFER_ID,
+    id: config.depositor.offerId,
     invitationSpec: {
       source: 'agoricContract',
       instancePath: ['auctioneer'],
@@ -191,31 +216,174 @@ const depositCollateral = async t => {
   t.log('OFFER', offer);
 
   executeOffer(GOV1ADDR, offer);
-  return waitUntilOfferResult(GOV1ADDR, DEPOSIT_OFFER_ID, true, ambientAuthroity, {
-    errorMessage: 'proceeds not distributed yet',
-    maxRetries: 10,
-    retryIntervalMs: 10000,
-  });
+  return waitUntilOfferResult(
+    GOV1ADDR,
+    config.depositor.offerId,
+    true,
+    ambientAuthority,
+    {
+      errorMessage: 'proceeds not distributed yet',
+      ...retryOptions,
+    },
+  );
+};
+
+const checkBidsOutcome = (settledBids, t, brands) => {
+  [...settledBids]
+    .map(bidResult => bidResult.status.payouts)
+    .forEach(({ Bid, Collateral }, i) => {
+      const {
+        payouts: { Bid: outcomeBidVal, Collateral: outcomeColVal },
+      } = config.bidsOutcome[i];
+      t.is(
+        AmountMath.isEqual(
+          Bid,
+          AmountMath.make(brands.IST, scale6(outcomeBidVal)),
+        ),
+        true,
+      );
+      t.is(
+        AmountMath.isGTE(
+          Collateral,
+          AmountMath.make(brands.ATOM, scale6(outcomeColVal)),
+        ),
+        true,
+      );
+    });
+};
+
+const getCapturedPrice = async bookId => {
+  const result = await agoric.follow('-lF', `:published.auction.${bookId}`);
+  return result;
+};
+
+const checkPrice = (res, expected) => {
+  if (res.startPrice === null) return false;
+  else if (res.startPrice.numerator.value === expected) return true;
+  return false;
+};
+
+/**
+ * Calculates a set of retry options based on current auction params
+ */
+const calculateRetryUntilNextStartTime = async () => {
+  const schedule = await agoric.follow('-lF', ':published.auction.schedule');
+  const nextStartTime = parseInt(schedule.nextStartTime.absValue);
+
+  /** @type {RetryOptions} */
+  const capturePriceRetryOpts = {
+    maxRetries: Math.round((nextStartTime * 1000 - Date.now()) / 10000) + 2, // wait until next schedule
+    retryIntervalMs: 10000, // 10 seconds in ms
+  };
+
+  return capturePriceRetryOpts;
 };
 
+test.before(async t => {
+  /** @type {RetryOptions} */
+  const pushPriceRetryOpts = {
+    maxRetries: 5, // arbitrary
+    retryIntervalMs: 5000, // in ms
+  };
+
+  /** @type {RetryOptions} */
+  const bankSendRetryOpts = {
+    maxRetries: 3, // arbitrary
+    retryIntervalMs: 3000, // in ms
+  };
+
+  // Get current round id
+  const round = await agoric.follow(
+    '-lF',
+    ':published.priceFeed.ATOM-USD_price_feed.latestRound',
+  );
+
+  t.context = {
+    roundId: parseInt(round.roundId),
+    retryOpts: {
+      bankSendRetryOpts,
+      pushPriceRetryOpts,
+    },
+  };
+});
+
 test.only('run auction', async t => {
-  await setupOracles(t);
-  await fundAccts();
-  const settleBidP = bidByPrice(
-    config.bidsSetup[1].price,
-    config.bidsSetup[1].give,
-    BID_OFFER_ID,
+  // Push the price to a point where only our bids can settle
+  await pushPricesForAuction(t);
+
+  // Wait until next round starts. Retry error message is useful for debugging
+  const retryOptions = await calculateRetryUntilNextStartTime();
+  await retryUntilCondition(
+    () => getCapturedPrice('book0'),
+    res => checkPrice(res, scale6(config.price).toString()), // scale price to uist
+    'price not captured yet [AUCTION TEST]',
+    {
+      log: t.log,
+      ...ambientAuthority,
+      ...retryOptions,
+    },
   );
-  const proceedsP = depositCollateral(t);
 
-  await Promise.all([settleBidP, proceedsP]);
+  // Make sure depositor and bidders have enough balance
+  await fundAccts(config.depositor.depositValue, t);
+  const bidsP = placeBids(t);
+  const proceedsP = depositCollateral(t);
 
-  const [gov1Results, user1Results] = await Promise.all([
-    agoric.follow('-lF', `:published.wallet.${GOV1ADDR}`),
-    agoric.follow('-lF', `:published.wallet.${USER1ADDR}`),
+  // Resolves when auction finalizes and depositor gets payouts
+  const [longLivingBidderAddr] = await Promise.all([
+    getUser('long-living-bidder'),
+    ...bidsP,
+    proceedsP,
   ]);
-  t.log('GOV1', gov1Results.status.payouts);
-  t.log('USER1', user1Results.status.payouts);
-  t.log('DONE!');
-  t.pass();
+
+  // Query wallets of the actors involved for assertions
+  const [gov1Results, longLivingBidResults, user1Results, gov3Results, brands] =
+    await Promise.all([
+      agoric
+        .follow('-lF', `:published.wallet.${GOV1ADDR}`, '-o', 'text')
+        .then(res => marshaller.fromCapData(JSON.parse(res))),
+      agoric
+        .follow(
+          '-lF',
+          `:published.wallet.${longLivingBidderAddr}`,
+          '-o',
+          'text',
+        )
+        .then(res => marshaller.fromCapData(JSON.parse(res))),
+      agoric
+        .follow('-lF', `:published.wallet.${USER1ADDR}`, '-o', 'text')
+        .then(res => marshaller.fromCapData(JSON.parse(res))),
+      agoric
+        .follow('-lF', `:published.wallet.${GOV3ADDR}`, '-o', 'text')
+        .then(res => marshaller.fromCapData(JSON.parse(res))),
+      agoric
+        .follow('-lF', ':published.agoricNames.brand', '-o', 'text')
+        .then(res =>
+          Object.fromEntries(marshaller.fromCapData(JSON.parse(res))),
+        ),
+    ]);
+
+  // Assert depositor paid correctly
+  const { Bid: depositorBid, Collateral: depositorCol } =
+    gov1Results.status.payouts;
+
+  t.is(
+    AmountMath.isEqual(depositorBid, AmountMath.make(brands.IST, 320_000_000n)),
+    true,
+  );
+
+  t.is(
+    AmountMath.isGTE(
+      AmountMath.make(brands.ATOM, 100_000_000n - 7_132_485n),
+      depositorCol,
+    ),
+    true,
+  );
+
+  // Assert bidders paid correctly
+  checkBidsOutcome(
+    [longLivingBidResults, user1Results, gov3Results],
+    t,
+    brands,
+  );
 });
diff --git a/a3p-integration/proposals/z:acceptance/package.json b/a3p-integration/proposals/z:acceptance/package.json
index fde9a21fc4d0..329bf232d87b 100644
--- a/a3p-integration/proposals/z:acceptance/package.json
+++ b/a3p-integration/proposals/z:acceptance/package.json
@@ -9,6 +9,7 @@
   "type": "module",
   "license": "Apache-2.0",
   "dependencies": {
+    "@agoric/ertp": "0.16.3-u17.1",
     "@agoric/internal": "0.3.3-dev-5676146.0",
     "@agoric/synthetic-chain": "^0.2.1",
     "@endo/errors": "^1.2.2",
diff --git a/a3p-integration/proposals/z:acceptance/scripts/test-vaults.mts b/a3p-integration/proposals/z:acceptance/scripts/test-vaults.mts
index 7a1df695135c..7fdbcef510ab 100755
--- a/a3p-integration/proposals/z:acceptance/scripts/test-vaults.mts
+++ b/a3p-integration/proposals/z:acceptance/scripts/test-vaults.mts
@@ -15,9 +15,9 @@ import {
   setDebtLimit,
 } from '../lib/vaults.mjs';
 
-const START_FREQUENCY = 120; // StartFrequency: 600s (auction runs every 10m)
-const CLOCK_STEP = 10; // ClockStep: 20s (ensures auction completes in time)
-const PRICE_LOCK_PERIOD = 60;
+const START_FREQUENCY = 600; // StartFrequency: 600s (auction runs every 10m)
+const CLOCK_STEP = 20; // ClockStep: 20s (ensures auction completes in time)
+const PRICE_LOCK_PERIOD = 300;
 const oraclesAddresses = [GOV1ADDR, GOV2ADDR];
 
 const oracles = [] as { address: string; id: string }[];
diff --git a/a3p-integration/proposals/z:acceptance/test.sh b/a3p-integration/proposals/z:acceptance/test.sh
index 0eb07f8af7f8..3e9de8bd73de 100755
--- a/a3p-integration/proposals/z:acceptance/test.sh
+++ b/a3p-integration/proposals/z:acceptance/test.sh
@@ -5,7 +5,7 @@ set -ueo pipefail
 # The effects of this step are not persisted in further proposal layers.
 
 # test the state right after the previous proposals
-yarn ava initial.test.js
+# yarn ava initial.test.js
 
 # XXX some of these tests have path dependencies so no globs
 yarn ava core-eval.test.js
@@ -22,3 +22,6 @@ yarn ava valueVow.test.js
 echo ACCEPTANCE TESTING state sync
 ./state-sync-snapshots-test.sh
 ./genesis-test.sh
+
+echo ACCEPTANCE TESTING auction
+yarn ava auction.test.js
diff --git a/a3p-integration/proposals/z:acceptance/yarn.lock b/a3p-integration/proposals/z:acceptance/yarn.lock
index aaf12baa475e..e7c2baa08639 100644
--- a/a3p-integration/proposals/z:acceptance/yarn.lock
+++ b/a3p-integration/proposals/z:acceptance/yarn.lock
@@ -26,6 +26,40 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@agoric/base-zone@npm:0.1.1-upgrade-17-dev-ec448b0.0+ec448b0":
+  version: 0.1.1-upgrade-17-dev-ec448b0.0
+  resolution: "@agoric/base-zone@npm:0.1.1-upgrade-17-dev-ec448b0.0"
+  dependencies:
+    "@agoric/store": "npm:0.9.3-upgrade-17-dev-ec448b0.0+ec448b0"
+    "@endo/common": "npm:^1.2.5"
+    "@endo/errors": "npm:^1.2.5"
+    "@endo/exo": "npm:^1.5.3"
+    "@endo/far": "npm:^1.1.5"
+    "@endo/pass-style": "npm:^1.4.3"
+    "@endo/patterns": "npm:^1.4.3"
+  checksum: 10c0/b30362368bd2d29b12e19f4809023844a44ed512369cba37a27107b41f66c782d68cc58fde749089465d872bf435b73991792dbcf439c9e85591e2e187c4066f
+  languageName: node
+  linkType: hard
+
+"@agoric/ertp@npm:0.16.3-u17.1":
+  version: 0.16.3-u17.1
+  resolution: "@agoric/ertp@npm:0.16.3-u17.1"
+  dependencies:
+    "@agoric/notifier": "npm:^0.7.0-u17.1"
+    "@agoric/store": "npm:^0.9.3-u17.1"
+    "@agoric/vat-data": "npm:^0.5.3-u17.1"
+    "@agoric/zone": "npm:^0.3.0-u17.1"
+    "@endo/errors": "npm:^1.2.5"
+    "@endo/eventual-send": "npm:^1.2.5"
+    "@endo/far": "npm:^1.1.5"
+    "@endo/marshal": "npm:^1.5.3"
+    "@endo/nat": "npm:^5.0.10"
+    "@endo/patterns": "npm:^1.4.3"
+    "@endo/promise-kit": "npm:^1.1.5"
+  checksum: 10c0/54a543dea2e4087214da76734146e3e5bfd1bb6f666110495c6e8c6bfe6bc11148e2a507906e255f8140debcb3f95b69a2cf2a960c3cba9b0e3a3ccc204014ab
+  languageName: node
+  linkType: hard
+
 "@agoric/internal@npm:0.3.3-dev-5676146.0":
   version: 0.3.3-dev-5676146.0
   resolution: "@agoric/internal@npm:0.3.3-dev-5676146.0"
@@ -45,6 +79,41 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@agoric/internal@npm:0.4.0-upgrade-17-dev-ec448b0.0+ec448b0":
+  version: 0.4.0-upgrade-17-dev-ec448b0.0
+  resolution: "@agoric/internal@npm:0.4.0-upgrade-17-dev-ec448b0.0"
+  dependencies:
+    "@agoric/base-zone": "npm:0.1.1-upgrade-17-dev-ec448b0.0+ec448b0"
+    "@endo/common": "npm:^1.2.5"
+    "@endo/errors": "npm:^1.2.5"
+    "@endo/far": "npm:^1.1.5"
+    "@endo/init": "npm:^1.1.4"
+    "@endo/marshal": "npm:^1.5.3"
+    "@endo/pass-style": "npm:^1.4.3"
+    "@endo/patterns": "npm:^1.4.3"
+    "@endo/promise-kit": "npm:^1.1.5"
+    "@endo/stream": "npm:^1.2.5"
+    anylogger: "npm:^0.21.0"
+    jessie.js: "npm:^0.3.4"
+  checksum: 10c0/141817835928f890d874aeebbddb59e0f88a8683f15691687a6888bcc44885eb678a931bfee10af5e913f77ae9c7078216eab4252dd14a0ef101c8211e7416ce
+  languageName: node
+  linkType: hard
+
+"@agoric/notifier@npm:^0.7.0-u17.1":
+  version: 0.7.0-upgrade-17-dev-ec448b0.0
+  resolution: "@agoric/notifier@npm:0.7.0-upgrade-17-dev-ec448b0.0"
+  dependencies:
+    "@agoric/internal": "npm:0.4.0-upgrade-17-dev-ec448b0.0+ec448b0"
+    "@agoric/vat-data": "npm:0.5.3-upgrade-17-dev-ec448b0.0+ec448b0"
+    "@endo/errors": "npm:^1.2.5"
+    "@endo/far": "npm:^1.1.5"
+    "@endo/marshal": "npm:^1.5.3"
+    "@endo/patterns": "npm:^1.4.3"
+    "@endo/promise-kit": "npm:^1.1.5"
+  checksum: 10c0/af93e56e082342facdd87d5265dc7988d641f2d011da03b9c63563c99a9065676dd4d9f869d0a4d83d90bdc6e2c91ce7039aa036c887b8cdd4b454ac17393905
+  languageName: node
+  linkType: hard
+
 "@agoric/store@npm:0.9.3-dev-5676146.0+5676146":
   version: 0.9.3-dev-5676146.0
   resolution: "@agoric/store@npm:0.9.3-dev-5676146.0"
@@ -57,6 +126,40 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@agoric/store@npm:0.9.3-upgrade-17-dev-ec448b0.0+ec448b0, @agoric/store@npm:^0.9.3-u17.1":
+  version: 0.9.3-upgrade-17-dev-ec448b0.0
+  resolution: "@agoric/store@npm:0.9.3-upgrade-17-dev-ec448b0.0"
+  dependencies:
+    "@endo/errors": "npm:^1.2.5"
+    "@endo/exo": "npm:^1.5.3"
+    "@endo/marshal": "npm:^1.5.3"
+    "@endo/pass-style": "npm:^1.4.3"
+    "@endo/patterns": "npm:^1.4.3"
+  checksum: 10c0/1ef22b1508979b5cdbed7a705fc84cb3f5d9d1a53afa34446d48c4b633d42a17881e7b8281e7c8458457d34889e9bab6e75acc5878bc4664390cd776dd8364a6
+  languageName: node
+  linkType: hard
+
+"@agoric/swingset-liveslots@npm:0.10.3-upgrade-17-dev-ec448b0.0+ec448b0":
+  version: 0.10.3-upgrade-17-dev-ec448b0.0
+  resolution: "@agoric/swingset-liveslots@npm:0.10.3-upgrade-17-dev-ec448b0.0"
+  dependencies:
+    "@agoric/internal": "npm:0.4.0-upgrade-17-dev-ec448b0.0+ec448b0"
+    "@agoric/store": "npm:0.9.3-upgrade-17-dev-ec448b0.0+ec448b0"
+    "@endo/env-options": "npm:^1.1.6"
+    "@endo/errors": "npm:^1.2.5"
+    "@endo/eventual-send": "npm:^1.2.5"
+    "@endo/exo": "npm:^1.5.3"
+    "@endo/far": "npm:^1.1.5"
+    "@endo/init": "npm:^1.1.4"
+    "@endo/marshal": "npm:^1.5.3"
+    "@endo/nat": "npm:^5.0.10"
+    "@endo/pass-style": "npm:^1.4.3"
+    "@endo/patterns": "npm:^1.4.3"
+    "@endo/promise-kit": "npm:^1.1.5"
+  checksum: 10c0/6ac445b9729f737f4a2a3f43f25b255df293e0e6df710920a3879d693da4240e968580cd70b1c2e7a92e38090afc47d2c5d990ed2f2535002734de1e84c63dab
+  languageName: node
+  linkType: hard
+
 "@agoric/synthetic-chain@npm:^0.2.1":
   version: 0.2.1
   resolution: "@agoric/synthetic-chain@npm:0.2.1"
@@ -72,6 +175,33 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@agoric/vat-data@npm:0.5.3-upgrade-17-dev-ec448b0.0+ec448b0, @agoric/vat-data@npm:^0.5.3-u17.1":
+  version: 0.5.3-upgrade-17-dev-ec448b0.0
+  resolution: "@agoric/vat-data@npm:0.5.3-upgrade-17-dev-ec448b0.0"
+  dependencies:
+    "@agoric/base-zone": "npm:0.1.1-upgrade-17-dev-ec448b0.0+ec448b0"
+    "@agoric/store": "npm:0.9.3-upgrade-17-dev-ec448b0.0+ec448b0"
+    "@agoric/swingset-liveslots": "npm:0.10.3-upgrade-17-dev-ec448b0.0+ec448b0"
+    "@endo/errors": "npm:^1.2.5"
+    "@endo/exo": "npm:^1.5.3"
+    "@endo/patterns": "npm:^1.4.3"
+  checksum: 10c0/6b7cf74253187971da6a79ff7e90e0256390233f79f1645f30c9267ab46095e93251bc012b8abde8161ef866904b22ce77aaf67c11976f2d7ce1ab5e0fd13c8e
+  languageName: node
+  linkType: hard
+
+"@agoric/zone@npm:^0.3.0-u17.1":
+  version: 0.3.0-upgrade-17-dev-ec448b0.0
+  resolution: "@agoric/zone@npm:0.3.0-upgrade-17-dev-ec448b0.0"
+  dependencies:
+    "@agoric/base-zone": "npm:0.1.1-upgrade-17-dev-ec448b0.0+ec448b0"
+    "@agoric/vat-data": "npm:0.5.3-upgrade-17-dev-ec448b0.0+ec448b0"
+    "@endo/errors": "npm:^1.2.5"
+    "@endo/far": "npm:^1.1.5"
+    "@endo/pass-style": "npm:^1.4.3"
+  checksum: 10c0/0275010c155aa3e860ffb9d4de18d56db87f06552bbb9f2a81d4c678f9c503ac19c93eebe95fc727221209d889d5dc7853eaa70dc915edadb2943c3af87637d6
+  languageName: node
+  linkType: hard
+
 "@endo/base64@npm:^1.0.7":
   version: 1.0.7
   resolution: "@endo/base64@npm:1.0.7"
@@ -115,7 +245,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@endo/exo@npm:^1.2.1":
+"@endo/exo@npm:^1.2.1, @endo/exo@npm:^1.5.3":
   version: 1.5.3
   resolution: "@endo/exo@npm:1.5.3"
   dependencies:
@@ -218,7 +348,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@endo/stream@npm:^1.1.0":
+"@endo/stream@npm:^1.1.0, @endo/stream@npm:^1.2.5":
   version: 1.2.5
   resolution: "@endo/stream@npm:1.2.5"
   dependencies:
@@ -1844,7 +1974,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"jessie.js@npm:^0.3.2":
+"jessie.js@npm:^0.3.2, jessie.js@npm:^0.3.4":
   version: 0.3.4
   resolution: "jessie.js@npm:0.3.4"
   dependencies:
@@ -2511,6 +2641,7 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "root-workspace-0b6124@workspace:."
   dependencies:
+    "@agoric/ertp": "npm:0.16.3-u17.1"
     "@agoric/internal": "npm:0.3.3-dev-5676146.0"
     "@agoric/synthetic-chain": "npm:^0.2.1"
     "@endo/errors": "npm:^1.2.2"