fix: fail UR transaction if chain IDs don't match (#7150)

* fix: verify UR deployed

* fix: dont fallback to 1

* fix: dont instantiate contract

* fix: use chainId instead

* fix: compare chainIds

src/hooks/useUniversalRouter.ts

@@ -58,6 +58,8 @@ export function useUniversalRouterSwapCallback(
         if (!chainId) throw new Error('missing chainId')
         if (!provider) throw new Error('missing provider')
         if (!trade) throw new Error('missing trade')
+        const connectedChainId = await provider.getSigner().getChainId()
+        if (chainId !== connectedChainId) throw new Error('signer chainId does not match')
 
         setTraceData('slippageTolerance', options.slippageTolerance.toFixed(2))
         const { calldata: data, value } = SwapRouter.swapERC20CallParameters(trade, {
@@ -66,6 +68,7 @@ export function useUniversalRouterSwapCallback(
           inputTokenPermit: options.permit,
           fee: options.feeOptions,
         })
+
         const tx = {
           from: account,
           to: UNIVERSAL_ROUTER_ADDRESS(chainId),