fix: stringify indexer return data

Author: Jean-Grimal

packages/liquidation-sdk-viem/src/preLiquidation/positionGetters.ts

@@ -20,7 +20,10 @@ export async function getPreLiquidablePositions(
     method: "POST",
     body: JSON.stringify({ marketIds: whitelistedMarkets }),
   });
-  const data = parseWithBigInt<PreLiquidationResponse>(await response.json());
+
+  const data: PreLiquidationResponse = parseWithBigInt<PreLiquidationResponse>(
+    JSON.stringify(await response.json()),
+  );
 
   const marketsAssets = await apiSdk.getMarketsAssets({
     chainId,

packages/liquidation-sdk-viem/test/examples/preLiquidation.test.ts

@@ -366,9 +366,16 @@ describe("pre liquidation", () => {
             {
               marketId,
               address: preLiquidationAddress,
-              preLiquidationParams: preLiquidationParams,
+              preLiquidationParams: {
+                ...preLiquidationParams,
+                preLltv: preLiquidationParams.preLltv.toString(),
+                preLCF1: preLiquidationParams.preLCF1.toString(),
+                preLCF2: preLiquidationParams.preLCF2.toString(),
+                preLIF1: preLiquidationParams.preLIF1.toString(),
+                preLIF2: preLiquidationParams.preLIF2.toString(),
+              },
               enabledPositions: [borrower.address],
-              price,
+              price: price.toString(),
             },
           ],
         });