get the owners of nfts staked in farm

adapters/izumiswap/src/config/config.ts

@@ -1,3 +1,6 @@
+import { createPublicClient, http } from 'viem';
+import { linea } from 'viem/chains';
+
 export const enum CHAINS{
     MODE = 34443,
     LINEA = 59144,
@@ -27,4 +30,31 @@ export const SUBGRAPH_URLS = {
 export const RPC_URLS = {
     [CHAINS.MODE]: "https://rpc.goldsky.com",
     [CHAINS.LINEA]: "https://rpc.linea.build",
-}
+}
+
+export const client = createPublicClient({
+    chain: linea,
+    transport: http(RPC_URLS[CHAINS.LINEA]),
+  });
+
+export const FARM_CONTRACTS = ['0xbe138ad5d41fdc392ae0b61b09421987c1966cc3']
+
+export const OWNERS_ABI = [{
+    "inputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "name": "owners",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  }] as const

adapters/izumiswap/src/utils/subgraphDetails.ts

@@ -1,5 +1,5 @@
 import BigNumber from "bignumber.js";
-import { AMM_TYPES, CHAINS, PROTOCOLS, RPC_URLS, SUBGRAPH_URLS } from "../config/config";
+import { AMM_TYPES, CHAINS, FARM_CONTRACTS, OWNERS_ABI, PROTOCOLS, RPC_URLS, SUBGRAPH_URLS, client } from "../config/config";
 import { PositionMath } from "./positionMath";
 import { createPublicClient, extractChain, http } from "viem";
 import { linea } from "viem/chains";
@@ -145,6 +145,26 @@ export const getPositionsForAddressByPoolAtBlock = async (
             fetchNext = false;
         }
     }
+
+    for (let contract of FARM_CONTRACTS){
+        const ownedByFarm = result.filter(
+            (p) => p.owner === contract,
+        );
+
+        const owners = await getFarmOwner(
+            ownedByFarm.map((p) => p.id),
+            BigInt(blockNumber),
+            contract as any
+        );
+
+        for (const [index, owner] of owners.entries()) {
+            const pid = ownedByFarm[index].id;
+
+            const item = result.find((p, index)=>p.id === pid)
+            if (item) item.owner = owner.toLowerCase();
+        }
+    }
+
     return result;
 }
 
@@ -307,4 +327,24 @@ export const getTimestampAtBlock = async (blockNumber: number) => {
       blockNumber: BigInt(blockNumber),
     });
     return Number(block.timestamp * 1000n);
-};
+};
+
+export const getFarmOwner = async (ids: string[], blockNumber: bigint, farmAddress: '0x${string}') => {
+    const results = await client.multicall({
+        allowFailure: false,
+        blockNumber,
+        contracts: ids.map(
+          (id) =>
+            ({
+                abi: OWNERS_ABI,
+                address: farmAddress,
+                functionName: 'owners',
+                args: [BigInt(id)],
+            } as const),
+        ),
+      });
+
+      return results.map((r) => {
+        return r;
+      });
+}