fix: throw COULD_NOT_SIMULATE_TRANSACTION for eth_call

Signed-off-by: Logan Nguyen <[email protected]>

Author: quiet-node

packages/relay/src/lib/services/ethService/contractService/ContractService.ts

@@ -526,14 +526,13 @@ export class ContractService implements IContractService {
     }
 
     if (e.isContractRevert()) {
-      if (this.logger.isLevelEnabled('trace')) {
-        this.logger.trace(
-          `mirror node eth_call request encountered contract revert. message: ${e.message}, details: ${e.detail}, data: ${e.data}`,
-        );
-      }
-      return predefined.CONTRACT_REVERT(e.detail || e.message, e.data);
+      throw predefined.CONTRACT_REVERT(e.detail || e.message, e.data);
+    } else if (e.statusCode === 400) {
+      throw predefined.COULD_NOT_SIMULATE_TRANSACTION(e.detail || e.message);
     }
-    // for any other Mirror Node upstream server errors (429, 500, 502, 503, 504, etc.), preserve the original error and re-throw to the upper layer
+
+    // for any other error or Mirror Node upstream server errors (429, 500, 502, 503, 504, etc.),
+    // preserve the original error and re-throw to the upper layer for further handling logic
     throw e;
   }
 

packages/server/tests/acceptance/htsPrecompile/precompileCalls.spec.ts

@@ -741,7 +741,11 @@ describe('@precompile-calls Tests for eth_call with HTS', async function () {
         data: CALLDATA_BALANCE_OF + NON_EXISTING_ACCOUNT.padStart(64, '0'),
       };
 
-      await relay.callFailing(Constants.ETH_ENDPOINTS.ETH_CALL, [callData, 'latest'], predefined.CONTRACT_REVERT());
+      await relay.callFailing(
+        Constants.ETH_ENDPOINTS.ETH_CALL,
+        [callData, 'latest'],
+        predefined.COULD_NOT_SIMULATE_TRANSACTION('Sender account not found.'),
+      );
     });
 
     it('Call to allowance method of an HTS token with non-existing owner account in call data returns error', async () => {