Merge pull request #403 from pinto-org/hotfix/filter-marketplace-listings

fix(market): validate listing viability and update default min fill

Author: feyyazcigim

src/pages/market/actions/CreateListing.tsx

@@ -110,7 +110,7 @@ export default function CreateListing({ onSelectionChange }: CreateListingProps
   const maxExpiration = Number.parseInt(podIndex.toHuman()) - Number.parseInt(harvestableIndex.toHuman()) || 0;
   const [expiresIn, setExpiresIn] = useState<number | null>(null);
   const selectedExpiresIn = expiresIn ?? maxExpiration;
-  const minFill = TokenValue.fromHuman(1, PODS.decimals);
+  const minFill = TokenValue.fromHuman(0.1, PODS.decimals);
   const [showAdvancedSettings, setShowAdvancedSettings] = useState(false);
 
   const plotPosition = plot.length > 0 ? plot[0].index.sub(harvestableIndex) : TV.ZERO;

src/state/market/useMarketEntities.ts

@@ -13,6 +13,17 @@ export function useMarketEntities(data: AllMarketActivityQuery | undefined, isFe
 
     if (isLoaded) {
       data.podListings.forEach((listing) => {
+        // Filter out listings that cannot be purchased (pricePerPod * remainingAmount < minFillAmount)
+        const pricePerPod = TokenValue.fromBlockchain(listing.pricePerPod, PINTO.decimals);
+        const remainingAmount = TokenValue.fromBlockchain(listing.remainingAmount, PODS.decimals);
+        const minFillAmount = TokenValue.fromBlockchain(listing.minFillAmount, PINTO.decimals);
+        const totalValue = pricePerPod.mul(remainingAmount);
+
+        // Skip listings where totalValue < minFillAmount
+        if (totalValue.lt(minFillAmount)) {
+          return;
+        }
+
         const parsed: Listing = {
           type: "LISTING",
           amount: TokenValue.fromBlockchain(listing.amount, PODS.decimals),
@@ -24,7 +35,7 @@ export function useMarketEntities(data: AllMarketActivityQuery | undefined, isFe
           id: listing.id,
           index: TokenValue.fromBlockchain(listing.index, PODS.decimals),
           maxHarvestableIndex: TokenValue.fromBlockchain(listing.maxHarvestableIndex, PODS.decimals),
-          minFillAmount: TokenValue.fromBlockchain(listing.minFillAmount, PODS.decimals),
+          minFillAmount: TokenValue.fromBlockchain(listing.minFillAmount, PINTO.decimals),
           mode: listing.mode,
           originalAmount: TokenValue.fromBlockchain(listing.originalAmount, PODS.decimals),
           originalIndex: TokenValue.fromBlockchain(listing.originalIndex, PODS.decimals),

src/state/market/usePodListings.ts

@@ -1,7 +1,11 @@
+import { TokenValue } from "@/classes/TokenValue";
+import { PODS } from "@/constants/internalTokens";
 import { subgraphs } from "@/constants/subgraph";
+import { PINTO } from "@/constants/tokens";
 import { AllPodListingsDocument } from "@/generated/gql/pintostalk/graphql";
 import { useQuery } from "@tanstack/react-query";
 import request from "graphql-request";
+import { useMemo } from "react";
 import { useChainId } from "wagmi";
 import { useHarvestableIndex } from "../useFieldData";
 import { useQueryKeys } from "../useQueryKeys";
@@ -22,8 +26,32 @@ export default function usePodListings() {
     enabled: harvestableIndex.gt(0),
   });
 
+  // Filter out listings that cannot be purchased (pricePerPod * remainingAmount < minFillAmount)
+  const filteredData = useMemo(() => {
+    if (!podListings.data?.podListings) {
+      return podListings.data;
+    }
+
+    const filtered = podListings.data.podListings.filter((listing) => {
+      const pricePerPod = TokenValue.fromBlockchain(listing.pricePerPod, PINTO.decimals);
+      const remainingAmount = TokenValue.fromBlockchain(listing.remainingAmount, PODS.decimals);
+      const minFillAmount = TokenValue.fromBlockchain(listing.minFillAmount, PINTO.decimals);
+
+      // Calculate total value: pricePerPod * remainingAmount
+      const totalValue = pricePerPod.mul(remainingAmount);
+
+      // Keep only listings where totalValue >= minFillAmount
+      return totalValue.gte(minFillAmount);
+    });
+
+    return {
+      ...podListings.data,
+      podListings: filtered,
+    };
+  }, [podListings.data]);
+
   return {
-    data: podListings.data,
+    data: filteredData,
     isLoaded: !!podListings.data,
     isFetching: podListings.isFetching,
     queryKey: queryKey,