feat: use a sub-baggage for each auctionBook

Agoric · Dec 4, 2024 · b68ac12 · b68ac12
1 parent a12a965
commit b68ac12
Showing 1 changed file with 14 additions and 9 deletions.
diff --git a/packages/inter-protocol/src/auction/auctionBook.js b/packages/inter-protocol/src/auction/auctionBook.js
@@ -6,7 +6,11 @@ import { Fail } from '@endo/errors';
 import { E } from '@endo/captp';
 import { AmountMath, RatioShape } from '@agoric/ertp';
 import { mustMatch } from '@agoric/store';
-import { M, prepareExoClassKit } from '@agoric/vat-data';
+import {
+  M,
+  prepareExoClassKit,
+  provideDurableMapStore,
+} from '@agoric/vat-data';
 
 import { assertAllDefined, makeTracer } from '@agoric/internal';
 import {
@@ -117,8 +121,9 @@ export const makeOfferSpecShape = (bidBrand, collateralBrand) => {
  * @param {import('@agoric/zoe/src/contractSupport/recorder.js').MakeRecorderKit} makeRecorderKit
  */
 export const prepareAuctionBook = (baggage, zcf, makeRecorderKit) => {
-  const makeScaledBidBook = prepareScaledBidBook(baggage);
-  const makePriceBook = preparePriceBook(baggage);
+  const subBaggage = provideDurableMapStore(baggage, 'bookBaggage');
+  const makeScaledBidBook = prepareScaledBidBook(subBaggage);
+  const makePriceBook = preparePriceBook(subBaggage);
 
   const AuctionBookStateShape = harden({
     collateralBrand: M.any(),
@@ -140,7 +145,7 @@ export const prepareAuctionBook = (baggage, zcf, makeRecorderKit) => {
   });
 
   const makeAuctionBookKit = prepareExoClassKit(
-    baggage,
+    subBaggage,
     'AuctionBook',
     undefined,
     /**
@@ -462,10 +467,10 @@ export const prepareAuctionBook = (baggage, zcf, makeRecorderKit) => {
           const { state, facets } = this;
           const { collateralBrand, bidBrand, priceAuthority } = state;
 
-          if (baggage.has(QUOTE_NOTIFIER)) {
+          if (subBaggage.has(QUOTE_NOTIFIER)) {
             return;
           }
-          baggage.set(QUOTE_NOTIFIER, true);
+          subBaggage.set(QUOTE_NOTIFIER, true);
           trace('observing');
 
           const quoteNotifierP = E(priceAuthority).makeQuoteNotifier(
@@ -491,21 +496,21 @@ export const prepareAuctionBook = (baggage, zcf, makeRecorderKit) => {
                   );
                   // lack of quote will trigger restart
                   state.updatingOracleQuote = null;
-                  baggage.delete(QUOTE_NOTIFIER);
+                  subbaggage.delete(QUOTE_NOTIFIER);
                 },
                 finish: done => {
                   trace(
                     `quoteNotifier invoked finish(${done}). setting quote to null`,
                   );
                   // lack of quote will trigger restart
                   state.updatingOracleQuote = null;
-                  baggage.delete(QUOTE_NOTIFIER);
+                  subbaggage.delete(QUOTE_NOTIFIER);
                 },
               }),
             e => {
               trace('makeQuoteNotifier failed, resetting', e);
               state.updatingOracleQuote = null;
-              baggage.delete(QUOTE_NOTIFIER);
+              subbaggage.delete(QUOTE_NOTIFIER);
             },
           );