Ethereum Unity3D Boilerplate Questions

K00N · February 7, 2022, 6:07pm

@dgoodrich Hi Dave, First of all thanks for all your hard work! I am working on a WebGL game and I am trying to make a connection between MetaMask web wallet and Unity. On the javascript side i use the following code to get a sessionToken:

  MoralisAuthenticate: async function () {
    let user = Moralis.User.current();
    if (!user) {
      user = await Moralis.authenticate({ signingMessage: "Authenticate" });
    } else {
      // Refresh local data
      user = await Moralis.User.current().fetch();
    }

    if ('attributes' in user && 'sessionToken' in user.attributes) {
      unityInstance.SendMessage('ConnectWallet', 'setUserSession', user.attributes.sessionToken.toString());
    } else {
      console.log("sessionToken not found!");
    }
  }

And on the Unity side I use this code to try and get the user:

    public async void setUserSession(string sessionToken)
    {
        MoralisUser user = await MoralisInterface.GetClient().UserFromSession(sessionToken);
    }

The javascript side is working perfectly but the UserFromSession gives me trouble. When i press my connect button the first time I get the following error:

And when I press it again I get the this error:

If I look at the failed 400 network request I see that the x-parse-session-token header is missing. If I test this request with cURL and add this header i get a response. Is my approach wrong or is there a bug somewhere in the C# SDK?

dgoodrich · February 7, 2022, 7:20pm

The x-parse-session-token-header is set from the sessionToken value you pass in. Here is the code:

            if (!String.IsNullOrEmpty(sessionToken))
            {
                Headers.Add(new KeyValuePair<string, string>("X-Parse-Session-Token", sessionToken));
            }

Are you sure the setUserSession method is receiving the sessionToken?

K00N · February 7, 2022, 8:15pm

Yeah I double checked that and even hard coded the sessionToken but I get the same error. I did some more debugging and I think I found the problem.

In the UniversalWebClient.cs files there is a allowHeaders list and it seems “x-parse-session-token” is missing:

        static List<string> allowedHeaders { get; } = new List<string>
        {
            "x-parse-application-id",
            "x-parse-installation-id",
            "content-type"
        };

vivraan · February 8, 2022, 5:25am

Any update on calling Cloud Functions on the same Moralis server from multiple devices?

uzair · February 8, 2022, 12:05pm

I’m new here plz guide me how to integrate moralis with unity3d and send tokens to different wallet address

uzair · February 8, 2022, 12:20pm

@dgoodrich HOW TO SEND ETH/BNB ERC20/BEP20 TOKENS IN-GAME UNITY3D ? The code on documentation isn’t working in unity plz guide me I’m new here.

dgoodrich · February 8, 2022, 1:21pm

Did you get the demo running before making any modifications?

Is there a specific error you are seeing?

I am sorry that something here is not clear - any specific method you need help with?

Take a look at the AwardableController.cs file for a demo for calling Nethereum methods.
Take a look through the Nethereum documentation. to learn how to use Nethereum to transfer tokens.

You should be able to use the MoralisInterface.SendEvmTransactionAsync or MoralisInterface.SendTransactionAndWaitForReceiptAsync functions to perform the transfer. However Nethereum offers several overrides to these that are not exposed in the MoralisInterface. If you need one of these variants you can take a look at the MoralisInterface code to see how the two methods mentioned above are set up and called.

Regards,

David

dgoodrich · February 8, 2022, 3:27pm

Sorry it took a bit. I was still not able to reproduce the error you are reporting.

Originally I thought you meant you could not login from different devices at the same time. So I just set up a cloud function and an update so that the cloud function was called every 500 frames. I deployed to Android and desktop and ran each at the same time. Both returned the cloud function results with no errors.

Regards,

David

vivraan · February 8, 2022, 4:26pm

Can you provide the source code for this so that I can replicate it?

On those lines, I feel that you might be in a better place if you can check our source code as well.

uzair · February 8, 2022, 7:52pm

Is Moralis also works on BEP-20 Tokens?

vivraan · February 9, 2022, 5:23am

Yes, if you set up the necessary chain parameters to those of BSC.

vivraan · February 9, 2022, 5:24am

Ah, did you turn on user validation?

caiocabralbr · February 9, 2022, 10:38am

Were you able to implement the API call to connect with the browser’s Metamask plugin via WebGL? Could you share with us how you did it?

caiocabralbr · February 9, 2022, 10:50am

WebGL + Agora.IO + Photon PUN2 with erros on build here:

First erro is because WebSockets is duplicated (both use WebSockets, Photon and Ethereum Boilerplate). Removing one, the error is this:

Failed running command "C:/Program Files/Unity/Editor/2020.3.26f1/Editor/Data/PlaybackEngines/WebGLSupport\BuildTools\Emscripten_Win\python\2.7.5.3_64bit\python.exe" -E "C:/Program Files/Unity/Editor/2020.3.26f1/Editor/Data/PlaybackEngines/WebGLSupport\BuildTools\Emscripten\emcc" @"C:\Documents\Unity HDRP\Metaverse Caio\Assets\..\Temp\emcc_arguments.resp" (process exit code: 1)
UnityEditor.EditorApplication:Internal_CallGlobalEventHandler ()

Failed process stderr log:
warning: unexpected number of arguments 1 in call to '__cxa_pure_virtual', should be 0
warning: unexpected number of arguments 2 in call to '_ZN6il2cpp6icalls8mscorlib6System6String22RedirectToCreateStringEv', should be 0
warning: unexpected number of arguments 4 in call to '_ZN6il2cpp6icalls8mscorlib6System6String22RedirectToCreateStringEv', should be 0
warning: unexpected number of arguments 5 in call to '_ZN6il2cpp6icalls8mscorlib6System6String22RedirectToCreateStringEv', should be 0
warning: unexpected number of arguments 4 in call to '_ZN6il2cpp6icalls8mscorlib6System6String22RedirectToCreateStringEv', should be 0
warning: unexpected number of arguments 2 in call to '_ZN6il2cpp6icalls8mscorlib6System6String22RedirectToCreateStringEv', should be 0
warning: unexpected number of arguments 3 in call to '_ZN6il2cpp6icalls8mscorlib6System6String22RedirectToCreateStringEv', should be 0
error: unresolved symbol: WebSocketAddSubProtocol
error: unresolved symbol: WebSocketAllocate
error: unresolved symbol: WebSocketClose
error: unresolved symbol: WebSocketConnect
error: unresolved symbol: WebSocketFree
error: unresolved symbol: WebSocketGetState
error: unresolved symbol: WebSocketSend
error: unresolved symbol: WebSocketSendText
error: unresolved symbol: WebSocketSetOnClose
error: unresolved symbol: WebSocketSetOnError
error: unresolved symbol: WebSocketSetOnMessage
error: unresolved symbol: WebSocketSetOnOpen
Aborting compilation due to previous errors | undefined
Traceback (most recent call last):
  File "C:\Program Files\Unity\Editor\2020.3.26f1\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\Emscripten\emcc.py", line 3063, in <module>
    sys.exit(run())
  File "C:\Program Files\Unity\Editor\2020.3.26f1\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\Emscripten\emcc.py", line 1780, in run
    final = shared.Building.emscripten(final, append_ext=False, extra_args=extra_args)
  File "C:\Program Files\Unity\Editor\2020.3.26f1\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\Emscripten\tools\shared.py", line 2274, in emscripten
    emscripten._main(cmdline)
  File "C:\Program Files\Unity\Editor\2020.3.26f1\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\Emscripten\emscripten.py", line 2233, in _main
    return temp_files.run_and_clean(lambda: main(
  File "C:\Program Files\Unity\Editor\2020.3.26f1\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\Emscripten\tools\tempfiles.py", line 93, in run_and_clean
    return func()
  File "C:\Program Files\Unity\Editor\2020.3.26f1\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\Emscripten\emscripten.py", line 2238, in <lambda>
    DEBUG=DEBUG,
  File "C:\Program Files\Unity\Editor\2020.3.26f1\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\Emscripten\emscripten.py", line 2164, in main
    temp_files=temp_files, DEBUG=DEBUG)
  File "C:\Program Files\Unity\Editor\2020.3.26f1\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\Emscripten\emscripten.py", line 86, in emscript
    glue, forwarded_data = compiler_glue(metadata, libraries, compiler_engine, temp_files, DEBUG)
  File "C:\Program Files\Unity\Editor\2020.3.26f1\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\Emscripten\emscripten.py", line 218, in compiler_glue
    glue, forwarded_data = compile_settings(compiler_engine, libraries, temp_files)
  File "C:\Program Files\Unity\Editor\2020.3.26f1\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\Emscripten\emscripten.py", line 541, in compile_settings
    cwd=path_from_root('src'), error_limit=300)
  File "C:\Program Files\Unity\Editor\2020.3.26f1\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\Emscripten\tools\jsrun.py", line 132, in run_js
    raise Exception('Expected the command ' + str(command) + ' to finish with return code ' + str(assert_returncode) + ', but it returned with code ' + str(proc.returncode) + ' instead! Output: ' + str(ret)[:error_limit])
Exception: Expected the command ['C:/Program Files/Unity/Editor/2020.3.26f1/Editor/Data\\Tools\\nodejs\\node.exe', '--stack_size=8192', '--max-old-space-size=4096', 'C:\\Program Files\\Unity\\Editor\\2020.3.26f1\\Editor\\Data\\PlaybackEngines\\WebGLSupport\\BuildTools\\Emscripten\\src\\compiler.js', 'C:\\Users\\caioc\\AppData\\Local\\Temp\\tmpj8vakl.txt', 'C:\\Program Files\\Unity\\Editor\\2020.3.26f1\\Editor\\Data\\PlaybackEngines\\WebGLSupport\\BuildTools\\lib\\Audio.js', 'C:\\Program Files\\Unity\\Editor\\2020.3.26f1\\Editor\\Data\\PlaybackEngines\\WebGLSupport\\BuildTools\\lib\\case_1174367_workaround.js', 'C:\\Program Files\\Unity\\Editor\\2020.3.26f1\\Editor\\Data\\PlaybackEngines\\WebGLSupport\\BuildTools\\lib\\case_1179945_workaround.js', 'C:\\Program Files\\Unity\\Editor\\2020.3.26f1\\Editor\\Data\\PlaybackEngines\\WebGLSupport\\BuildTools\\lib\\case_1187965_workaround.js', 'C:\\Program Files\\Unity\\Editor\\2020.3.26f1\\Editor\\Data\\PlaybackEngines\\WebGLSupport\\BuildTools\\lib\\case_1208971_workaround.js', 'C:\\Program Files\\Unity\\Editor\\2020.3.26f1\\Editor\\Data\\PlaybackEngines\\WebGLSupport\\BuildTools\\lib\\Cursor.js', 'C:\\Program Files\\Unity\\Editor\\2020.3.26f1\\Editor\\Data\\PlaybackEngines\\WebGLSupport\\BuildTools\\lib\\Eval.js', 'C:\\Program Files\\Unity\\Editor\\2020.3.26f1\\Editor\\Data\\PlaybackEngines\\WebGLSupport\\BuildTools\\lib\\FileSystem.js', 'C:\\Program Files\\Unity\\Editor\\2020.3.26f1\\Editor\\Data\\PlaybackEngines\\WebGLSupport\\BuildTools\\lib\\Logging.js', 'C:\\Program Files\\Unity\\Editor\\2020.3.26f1\\Editor\\Data\\PlaybackEngines\\WebGLSupport\\BuildTools\\lib\\Profiler.js', 'C:\\Program Files\\Unity\\Editor\\2020.3.26f1\\Editor\\Data\\PlaybackEngines\\WebGLSupport\\BuildTools\\lib\\SystemInfo.js', 'C:\\Program Files\\Unity\\Editor\\2020.3.26f1\\Editor\\Data\\PlaybackEngines\\WebGLSupport\\BuildTools\\lib\\UnetWebSocket.js', 'C:\\Program Files\\Unity\\Editor\\2020.3.26f1\\Editor\\Data\\PlaybackEngines\\WebGLSupport\\BuildTools\\lib\\Video.js', 'C:\\Program Files\\Unity\\Editor\\2020.3.26f1\\Editor\\Data\\PlaybackEngines\\WebGLSupport\\BuildTools\\lib\\WebCam.js', 'C:\\Program Files\\Unity\\Editor\\2020.3.26f1\\Editor\\Data\\PlaybackEngines\\WebGLSupport\\BuildTools\\lib\\WebRequest.js', 'C:\\Documents\\Unity HDRP\\Metaverse Caio\\Assets\\Photon\\PhotonLibs\\WebSocket\\WebSocket.jslib', 'C:\\Program Files\\Unity\\Editor\\2020.3.26f1\\Editor\\Data\\PlaybackEngines\\WebGLSupport\\BuildTools\\Emscripten\\src\\library_pthread_stub.js'] to finish with return code 0, but it returned with code 1 instead! Output: // The Module object: Our interface to the outside world. We import
// and export values on it. There are various ways Module can be used:
// 1. Not defined. We create it here
// 2. A function parameter, function(Module) { ..generated code.. }
// 3. pre-run appended it, var Module = {}; ..generated
UnityEditor.EditorApplication:Internal_CallGlobalEventHandler ()

Exception: Failed building WebGL Player.
UnityEditor.WebGL.ProgramUtils.StartProgramChecked (System.Diagnostics.ProcessStartInfo p) (at /Users/bokken/buildslave/unity/build/PlatformDependent/WebGL/Extensions/Unity.WebGL.extensions/ProgramUtils.cs:52)
UnityEditor.WebGL.WebGlBuildPostprocessor.EmscriptenLink (UnityEditor.Modules.BuildPostProcessArgs args, System.Boolean wasmBuild, System.String sourceFiles, System.String sourceFilesHash) (at /Users/bokken/buildslave/unity/build/PlatformDependent/WebGL/Extensions/Unity.WebGL.extensions/BuildPostprocessor.cs:423)
UnityEditor.WebGL.WebGlBuildPostprocessor.LinkBuild (UnityEditor.Modules.BuildPostProcessArgs args) (at /Users/bokken/buildslave/unity/build/PlatformDependent/WebGL/Extensions/Unity.WebGL.extensions/BuildPostprocessor.cs:464)
UnityEditor.WebGL.WebGlBuildPostprocessor.PostProcess (UnityEditor.Modules.BuildPostProcessArgs args) (at /Users/bokken/buildslave/unity/build/PlatformDependent/WebGL/Extensions/Unity.WebGL.extensions/BuildPostprocessor.cs:914)
UnityEditor.Modules.DefaultBuildPostprocessor.PostProcess (UnityEditor.Modules.BuildPostProcessArgs args, UnityEditor.BuildProperties& outProperties) (at <55729f52d042492e9efc384182ae2feb>:0)
UnityEditor.PostprocessBuildPlayer.Postprocess (UnityEditor.BuildTargetGroup targetGroup, UnityEditor.BuildTarget target, System.String installPath, System.String companyName, System.String productName, System.Int32 width, System.Int32 height, UnityEditor.BuildOptions options, UnityEditor.RuntimeClassRegistry usedClassRegistry, UnityEditor.Build.Reporting.BuildReport report) (at <55729f52d042492e9efc384182ae2feb>:0)
UnityEditor.EditorApplication:Internal_CallGlobalEventHandler()

ivan · February 9, 2022, 11:14am

Does it work if you run Unity and Moralis only?
Try removing other libraries you mention

I think it will be difficult for us to debug the other tools and libraries you use

But if you have an issue that is Moralis specific - we can help

caiocabralbr · February 9, 2022, 11:22am

Removing Photon PUN2 from Unity, work as well. But I need this package, because my game is Multiplayer
Has a way to make it compatible with Photon PUN2?

Edit: this issue is only on WebGL platform, in Windows in my other project with Photon Fusion, Moralis + Photon Fusion work as well. But there is Windows x64 game platform. The issue is only in WebGL

caiocabralbr · February 9, 2022, 12:16pm

WebGL and WebSockets get error with all multiplayer platform, like Colyseus, Photon, etc.

Here the error:

Plugin 'WebSocket.jslib' is used from several locations:
 Assets/MoralisWeb3ApiSdk/WalletConnectSharp.Unity/Network/Client/WebSocket.jslib would be copied to <PluginPath>/WebSocket.jslib
 Assets/Photon/PhotonLibs/WebSocket/WebSocket.jslib would be copied to <PluginPath>/WebSocket.jslib
Please fix plugin settings and try again.

UnityEditor.Modules.DefaultPluginImporterExtension:CheckFileCollisions (string)
UnityEditorInternal.PluginsHelper:CheckFileCollisions (UnityEditor.BuildTarget)
UnityEditor.EditorApplication:Internal_CallGlobalEventHandler ()

caiocabralbr · February 9, 2022, 1:25pm

I got the solution myself.

The error was in:

Assets\MoralisWeb3ApiSdk\WalletConnectSharp.Unity\Network\Client\WebSockets.jslib

Solution:

Modify the name to WebSockets2.jslib
and change the following code snippet in WebSockets2.jslib:

Code snippet:

		 * Instance structure:
		 * {
		 * 	url: string,
		 * 	ws: WebSocket
		 * }

To:

		 * Instance structure:
		 * {
		 * 	url: string,
		 * 	ws: WebSocket2
		 * }

Now you able to use Moralis with Photon PUN/Colyseus or another Multiplayer service who use WebSockets too with Unity <3

dgoodrich · February 9, 2022, 2:20pm

Sound like you are building something very cool. I hope you will share / demo it for us sometime.

This is the next feature I will implement. I hope to have the WebGL / Metamask interface ready by the end of the month (if not sooner).

Regards,

David

dgoodrich · February 9, 2022, 2:45pm

Just following up - Is this working for you now?