feat: EthRelayer execution fixes (#937)

* fix: show message if max. end has not been reached

EthRelayer requires proposal max end to be reached.
https://github.com/snapshot-labs/sx-starknet/blob/af131eb27748671dae5700f6c13c08d622e58383/starknet/src/execution_strategies/eth_relayer.cairo#L35-L41

* fix: always format l1destination address

apps/api/src/utils.ts

@@ -168,10 +168,10 @@ export async function handleExecutionStrategy(
       const [l1Destination] = payload;
       if (!l1Destination)
         throw new Error('Invalid payload for EthRelayer execution strategy');
-      destinationAddress = l1Destination;
+      destinationAddress = formatAddress('Ethereum', l1Destination);
 
       const SimpleQuorumExecutionStrategyContract = new EthContract(
-        l1Destination,
+        destinationAddress,
         SimpleQuorumExecutionStrategyAbi,
         ethProvider
       );

apps/ui/src/composables/useExecutionActions.ts

@@ -75,6 +75,11 @@ export function useExecutionActions(
   });
 
   async function fetchEthRelayerExecutionDetails() {
+    if (currentTimestamp.value < proposal.max_end * 1000) {
+      message.value =
+        'This execution strategy requires max end time to be reached.';
+    }
+
     if (!proposal.execution_tx) return;
 
     const tx = await network.value.helpers.getTransaction(