add support for multiple contract methods with same name

Author: rinat-enikeev

Sources/Core/Contract/ContractProtocol.swift

@@ -263,7 +263,7 @@ extension DefaultContractProtocol {
         let method = Data.fromHex(method) == nil ? method : method.addHexPrefix().lowercased()
 
         // MARK: - Encoding ABI Data flow
-        guard let abiMethod = methods[method]?.first,
+        guard let abiMethod = methods[method]?.first(where: { $0.inputs.count == parameters.count }),
               var encodedData = abiMethod.encodeParameters(parameters) else { return nil }
 
         // Extra data just appends in the end of parameters data