bug fix

Author: pharms-eth

Sources/Core/EthereumABI/ABIElements.swift

@@ -325,7 +325,7 @@ extension ABI.Element.Function {
             // set a flag to detect the request succeeded
         }
 
-        if returnArray.isEmpty {
+        if returnArray.isEmpty && !outputs.isEmpty && data.isEmpty{
             return nil
         }
 

Sources/web3swift/Operations/ReadTransaction.swift

@@ -34,7 +34,7 @@ public class ReadOperation {
 
     // TODO: Remove type erasing here, some broad wide protocol should be added instead
     public func callContractMethod() async throws -> [String: Any] {
-        await transaction.resolve(provider: web3.provider)
+        try await transaction.resolve(provider: web3.provider)
         // MARK: Read data from ABI flow
         // FIXME: This should be dropped, and after `execute()` call, just to decode raw data.
         let data: Data = try await self.web3.eth.callTransaction(transaction)