refactor: publishOffer delete exited seats before writing

Agoric · Jul 12, 2023 · cbc8e62 · cbc8e62
1 parent b520491
commit cbc8e62
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/packages/inter-protocol/src/auction/offerBook.js b/packages/inter-protocol/src/auction/offerBook.js
@@ -147,6 +147,12 @@ export const prepareScaledBidBook = (baggage, makeRecorderKit) => {
       publishOffer(record) {
         const key = toScaledRateOfferKey(record.bidScaling, record.seqNum);
 
+        // users can exit seats
+        if (record.seat.hasExited()) {
+          this.self.delete(key);
+          return;
+        }
+
         return E(getBidDataRecorder(key)).write(
           harden({
             bidScaling: record.bidScaling,
@@ -290,6 +296,12 @@ export const preparePriceBook = (baggage, makeRecorderKit) => {
       publishOffer(record) {
         const key = toPriceOfferKey(record.price, record.seqNum);
 
+        // users can exit seats
+        if (record.seat.hasExited()) {
+          this.self.delete(key);
+          return;
+        }
+
         return E(getBidDataRecorder(key)).write(
           harden({
             price: record.price,