switch to first pool

src/utils/dtUtils.ts

@@ -86,11 +86,38 @@ export async function getCheapestExchange(
   }
 }
 
+export async function getFirstPool(
+  ocean: Ocean,
+  dataTokenAddress: string
+): Promise<Pool | null> {
+  if (!ocean || !dataTokenAddress) return null
+
+  const tokenPools = await ocean.pool.searchPoolforDT(dataTokenAddress)
+
+  if (tokenPools === undefined || tokenPools.length === 0) {
+    return {
+      address: '',
+      price: 0
+    }
+  }
+  const firstPoolAddress = tokenPools[0]
+  const firstPoolPrice = await ocean.pool.getOceanNeeded(firstPoolAddress, '1')
+  const oceanReserve = await ocean.pool.getOceanReserve(firstPoolAddress)
+  const dtReserve = await ocean.pool.getDTReserve(firstPoolAddress)
+
+  return {
+    address: firstPoolAddress,
+    price: Number(firstPoolPrice),
+    ocean: Number(oceanReserve),
+    datatoken: Number(dtReserve)
+  }
+}
+
 export async function getBestDataTokenPrice(
   ocean: Ocean,
   dataTokenAddress: string
 ): Promise<BestPrice> {
-  const cheapestPool = await getCheapestPool(ocean, dataTokenAddress)
+  const cheapestPool = await getFirstPool(ocean, dataTokenAddress)
   const cheapestExchange = await getCheapestExchange(ocean, dataTokenAddress)
   Decimal.set({ precision: 5 })