fix escrow handling and fetching

app/src/hooks/useEscrow.ts

@@ -0,0 +1,21 @@
+import { useQuery } from '@tanstack/react-query'
+import { useCluster } from '@solana/connector/react'
+import { createSolanaRpc } from '@solana/kit'
+import { fetchEscrowAccount } from '@descro/sdk'
+import type { Address } from '@solana/kit'
+
+export function useEscrow(pda: Address) {
+  const { cluster } = useCluster()
+  return useQuery({
+    queryKey: ['escrow', pda, cluster?.id],
+    queryFn: () => {
+      const rpc = createSolanaRpc(cluster!.url)
+      return fetchEscrowAccount(
+        rpc as Parameters<typeof fetchEscrowAccount>[0],
+        pda,
+      ).catch(() => null)
+    },
+    enabled: !!cluster && !!pda,
+    refetchInterval: 15_000,
+  })
+}