Ethereum Unity3D Boilerplate Questions

alex · November 16, 2022, 8:30pm

If you could make a new topic on using the Web3Auth SDK, that would be great. Some other users have asked about that.

davecotefilm · December 15, 2022, 7:08am

I’m having problems with the self hosted parse server. I’ve installed the following onto my server as follows via ssh:

yarn add parse-server --ignore-engines
yarn dev:db-start
yarn start
cd /var/www/html/DnA/parse-server-migration
yarn build
yarn start
yarn dev:db-start
wget -qO - https://www.mongodb.org/static/pgp/server-6.0.asc | sudo apt-key add -
echo "deb [ arch=amd64,arm64 ] https://repo.mongodb.org/apt/ubuntu focal/mongodb-org/6.0 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-6.0.list
sudo apt-get update
sudo apt-get install -y mongodb-org
sudo systemctl start mongod
yarn add parse-dashboard --ignore-engines
yarn add moralis --ignore-engines

Then When I start this happens:

yarn start -- --appId *********************************** --masterKey ************************************ --serverURL https://127.0.0.1:1337/server

yarn run v1.22.19
warning From Yarn 1.0 onwards, scripts don't require "--" for options to be forwarded. In a future version, any explicit "--" will be forwarded as-is to the scripts.
$ node build/index.js --appId pRLSWTZ8RUMngGVmgWmI8IzaUXFgUsX8Z1wZ6leJ --masterKey iDIgWXWAXK49KOIuKexjmwQzofjYyUeEj33s72K5we7GpNCDeUKNakNfCbgkDEqO --serverURL https://127.0.0.1:1337/server
bigint: Failed to load bindings, pure JS will be used (try npm run rebuild?)
warn: DeprecationWarning: The Parse Server option 'directAccess' default will change to 'true' in a future version. Additionally, the environment variable 'PARSE_SERVER_ENABLE_EXPERIMENTAL_DIRECT_ACCESS' will be deprecated and renamed to 'PARSE_SERVER_DIRECT_ACCESS' in a future version; it is currently possible to use either one.
warn: DeprecationWarning: The Parse Server option 'enforcePrivateUsers' default will change to 'true' in a future version.
warn: DeprecationWarning: The Parse Server option 'allowClientClassCreation' default will change to 'false' in a future version.
info: Parse LiveQuery Server started running
Moralis Server is running on port 1337 and stream webhook url https://d59f-167-71-97-138.ngrok.io/streams-webhook
MongoServerSelectionError: connect ECONNREFUSED 127.0.0.1:27017
    at Timeout._onTimeout (/var/www/html/DnA/parse-server-migration/node_modules/mongodb/lib/sdam/topology.js:291:38)
    at listOnTimeout (node:internal/timers:564:17)
    at process.processTimers (node:internal/timers:507:7) {
  reason: TopologyDescription {
    type: 'Unknown',
    servers: Map(1) { 'localhost:27017' => [ServerDescription] },
    stale: false,
    compatible: true,
    heartbeatFrequencyMS: 10000,
    localThresholdMS: 15,
    setName: null,
    maxElectionId: null,
    maxSetVersion: null,
    commonWireVersion: 0,
    logicalSessionTimeoutMinutes: null
  },
  code: undefined,
  [Symbol(errorLabels)]: Set(0) {}
}
error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.

My Unity code that I’m running with MoralisWeb3ApiSdk (the old-school one yes), AppManager.cs contains only the slight changes you guys said to make:

 public async void WalletConnectHandler(WCSessionData data)
    {
        Debug.Log("Wallet connection received");
        // Extract wallet address from the Wallet Connect Session data object.
        address = data.accounts[0].ToLower();
        string appId = MoralisInterface.GetClient().ApplicationId;
        long serverTime = 0;

        // Retrieve server time from Moralis Server for message signature
        Dictionary<string, object> serverTimeResponse = await MoralisInterface.GetClient().Cloud.RunAsync<Dictionary<string, object>>("getServerTime", new Dictionary<string, object>());

        //if (serverTimeResponse == null || !serverTimeResponse.ContainsKey("dateTime") ||
        //    !long.TryParse(serverTimeResponse["dateTime"].ToString(), out serverTime))
        //{
        //    Debug.Log("Failed to retrieve server time from Moralis Server!");
        //}

if (serverTimeResponse != null)
{
    Debug.LogError("Failed to retrieve server time from Moralis Server!");
}



        if (!MoralisInterface.IsLoggedIn())
        {
            Debug.Log($"Sending sign request for {address} ...");


IDictionary<string, object> requestMessageParams = new Dictionary<string, object>();

requestMessageParams.Add("address", address);
requestMessageParams.Add("chain", "Eth");
requestMessageParams.Add("network", "evm");

Dictionary<string, object> authMessage = await MoralisInterface.GetClient().Cloud.RunAsync<Dictionary<string, object>>("requestMessage", requestMessageParams);

string signMessage = authMessage["message"].ToString();


            //string signMessage = $"Moralis Authentication\n\nId: {appId}:{serverTime}";
            string response = await walletConnect.Session.EthPersonalSign(address, signMessage);
        
            Debug.Log(response);

            Debug.Log($"Signature {response} for {address} was returned.");

            // Create moralis auth data from message signing response.
            Dictionary<string, object> authData = new Dictionary<string, object> { { "id", address }, { "signature", response }, { "data", signMessage } }; 

            Debug.Log("Logging in user.");

            // Attempt to login user.
            var user = await MoralisInterface.LogInAsync(authData);

            if (user != null)
            {
                Debug.Log($"{address} logged in successfully. ");
                infoLabel.text = $"{address}\nlogged in successfully!";
            }
            else
            {
                Debug.Log("User login failed.");
                infoLabel.text = "Login failed";
            }
        }

        UserLoggedInHandler();
    }

    public void WalletConnectSessionEstablished(WalletConnectUnitySession session)
    {
        InitializeWeb3();
    }
    
    private void InitializeWeb3()
    {
        MoralisInterface.SetupWeb3();
    }
    
    #endregion

Even with those above changes I don’t see how the null value is dealt with but hopefully you can enlighten me.

And I’ll include Screenshots of the WebGL running online, dev build along with errors:

Now, I’m REALLY hoping someone can help me, as I’ve really put A LOT of time into this, and the way the Crypto world is going, I’m about ready to jump out a window (or just drop everything and opt for Facebook/Meta login for everything

) But yeah seriously, PLEASE HELP!!!
I am able to scan the QR, my wallet sees and signs it (metamask), the browser recognizes this and says “Please Sign…” so it’s NEARLY THERE!!! But then, crash, Cross-Origin blah blah Error…
Dave Cote

alex · December 15, 2022, 10:00pm

Does your Unity project (with WebGL) work with your self-hosted server locally?

davecotefilm · December 15, 2022, 10:52pm

I don’t know, my local machine is windows, I’m running it on my server, which is Ubuntu 20.04. It ran fine on moralis server before they retired them. Seeing it run locally on windows wouldn’t tell me much would it?

davecotefilm · December 15, 2022, 10:55pm

Basically it seems to start the sign in, then when getting a signature returned it complains about Cors Cross-Origin error and Key not found exception. What does that mean? Do I need my moralis key in some files on the server?

alex · December 15, 2022, 11:05pm

It’s to make sure there’s no immediate issues with your code and how you patched it to work with self-hosted servers. Then we can work from there instead of making assumptions.

davecotefilm · December 15, 2022, 11:18pm

Okay, but I posted all code, server commands and errors. Does anything stand out?

alex · December 15, 2022, 11:26pm

Could be a configuration issue with your server. You are also getting Mongo errors that don’t seem related to the use of Unity.

Please test first with your self-hosted server as normal.

davecotefilm · December 16, 2022, 5:26am

PLEASE HELP! I can’t run it on my local PC at home, as it’s a COMPLETELY different setup from the Server I run my site on. I’ve only EVER run it on my server, NEVER on my home PC.
So, assume my server IS local, because I’m running terminal commands on it, installing everything on it. It IS my local machine.

I actually can’t test as per the “normal” instructions you give, as I’m on an older version (I’ve been developing from the start), I’m using MoralisWeb3ApiSdk and don’t know exactly how to transfer everything (unless there’s a legacy tutorial I’m missing).

So, server side, here’s what I’m getting in dev browser:

Setup default wallet MetaMask
build.framework.js:3454:11
Closing Websocket
build.framework.js:3454:11
[WebSocket] Queued 0 subscriptions
build.framework.js:3454:11
[WebSocket] Flushing Queue
build.framework.js:3454:11
[WebSocket] Queue Count: 0
build.framework.js:3454:11
[WebSocket] Queue Flushed
build.framework.js:3454:11
[WebSocket] Opened wss://k.bridge.walletconnect.org
build.framework.js:3454:11
[WebSocket] Open Completed
build.framework.js:3454:11
[WebSocket] Subscribe to 00711fc7-6943-495a-9e95-59b952a2dd93
[WalletConnect] Session Connected
build.framework.js:3454:11
Wallet connection received
build.framework.js:3454:11
Adding Header: Content-Type value: application/json
build.framework.js:3454:11
Adding Header: X-Parse-Installation-Id value: 89268d3a-00c0-4c9f-a690-5d84e89ded7f
build.framework.js:3454:11
Adding Header: X-Parse-Application-Id value: pRLSWTZ8RUMngGVmgWmI8IzaUXFgUsX8Z1wZ6leJ

Everything looks nice until this comes next:

Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at http://localhost:1337/server/functions/getServerTime. (Reason: CORS request did not succeed). Status code: (null).

Error: Unknown Error
build.framework.js:3447:11
    _JS_Log_Dump https://devilsandangels.io/DnA/selfhost/Build/build.framework.js:3447
    __Z19WebGLPrintfConsolev7LogTypePKcPi https://devilsandangels.io/DnA/selfhost/Build/build.wasm:3566522
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    __Z40DebugStringToFilePostprocessedStacktraceRK21DebugStringToFileData https://devilsandangels.io/DnA/selfhost/Build/build.wasm:3565055
    __Z17DebugStringToFileRK21DebugStringToFileData https://devilsandangels.io/DnA/selfhost/Build/build.wasm:3558400
    __Z35DebugLogHandler_CUSTOM_Internal_Log7LogType9LogOptionP12Il2CppStringP12Il2CppObject https://devilsandangels.io/DnA/selfhost/Build/build.wasm:8283213
    _DebugLogHandler_Internal_Log_mA1D09B6E813ABFAB6358863B6C2D28E3ACA9E101 https://devilsandangels.io/DnA/selfhost/Build/build.wasm:31767430
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    dynCall_vii https://devilsandangels.io/DnA/selfhost/Build/build.wasm:44484835
    dynCall_vii https://devilsandangels.io/DnA/selfhost/Build/build.framework.js:29649
    invoke_vii https://devilsandangels.io/DnA/selfhost/Build/build.framework.js:19712
    _U3CExecuteAsyncU3Ed__7_MoveNext_m744143852593D697E1D53BF7A60E79CCC1DF8834 https://devilsandangels.io/DnA/selfhost/Build/build.wasm:20984476
    __ZN23InterfaceActionInvoker06InvokeEtP11Il2CppClassP12Il2CppObject https://devilsandangels.io/DnA/selfhost/Build/build.wasm:14447826
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    _LiveQueryConnectedHandler_Invoke_mE61D8C8CC2C366ADC8C6268763F59B1F037CB0A2 https://devilsandangels.io/DnA/selfhost/Build/build.wasm:17227853
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    browserIterationFunc https://devilsandangels.io/DnA/selfhost/Build/build.framework.js:9752
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Error Getting Wallet Info: Unknown Error

So:
Why is CORS failing? The Wallet connection succeeds but then CORS problem and:

KeyNotFoundException: The given key was not present in the dictionary.```

What does THAT mean? What key? the Moralis secret key? App id? Cli key? some key not in the moralis web dashboard?  I'm stuck..

alex · December 16, 2022, 7:40pm

You mentioned this is an older project in the other post (you can just keep to this topic now), what version of the Moralis SDK are you using? It should show in the Unity package manager window. It’s best to try and get it working locally first.

How did you set up the self-hosted server exactly? By default you just install that project, set up the environment variables, start it and then you should be able to go to http://localhost:1337/server in your browser.

There is a migration video and some other info on that page.

davecotefilm · December 16, 2022, 9:02pm

It doesn’t show version in package manager, I’ll see if I can find it elsewhere. And anyways migration isn’t an issue, everything was working smoothly on the Moralis server. And yes, considering the webGL is on my server, and the parser is also, it does run “locally”.

I gave you the terminal commands that I used to install the server already, but here I’ll say it again:

yarn add parse-server --ignore-engines
yarn dev:db-start
yarn start
cd /var/www/html/DnA/parse-server-migration
yarn build
yarn start
yarn dev:db-start
wget -qO - https://www.mongodb.org/static/pgp/server-6.0.asc | sudo apt-key add -
echo "deb [ arch=amd64,arm64 ] https://repo.mongodb.org/apt/ubuntu focal/mongodb-org/6.0 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-6.0.list
sudo apt-get update
sudo apt-get install -y mongodb-org
sudo systemctl start mongod
yarn add parse-dashboard --ignore-engines
yarn add moralis --ignore-engines

That is all I did, then change the name of the env file in the parse-server code to .env following the parse-server guide. So yes, I ran the commands to run locally, and it’s not working. I’m assuming I’m missing something to do with the older moralis sdk I’m using. Honestly I can’t seem to find the version anywhere, can you tell me? I call ‘using MoralisWeb3ApiSdk’ instead of the newer calls for Unity you have. PLEASE just give me a hint! Who wrote the code? Maybe THEY can take a look for me?
Dave

davecotefilm · December 16, 2022, 9:27pm

Okay so this happens when I try to start the parse server:

root@davecote:/var/www/html/DnA/parse-server-migration# yarn dev
yarn run v1.22.19
$ ts-node src/index.ts
bigint: Failed to load bindings, pure JS will be used (try npm run rebuild?)
warn: DeprecationWarning: The Parse Server option 'directAccess' default will change to 'true' in a future version. Additionally, the environment variable 'PARSE_SERVER_ENABLE_EXPERIMENTAL_DIRECT_ACCESS' will be deprecated and renamed to 'PARSE_SERVER_DIRECT_ACCESS' in a future version; it is currently possible to use either one.
warn: DeprecationWarning: The Parse Server option 'enforcePrivateUsers' default will change to 'true' in a future version.
warn: DeprecationWarning: The Parse Server option 'allowClientClassCreation' default will change to 'false' in a future version.
info: Parse LiveQuery Server started running
Moralis Server is running on port 1337 and stream webhook url https://1c9e-167-71-97-138.ngrok.io/streams-webhook
MongoServerSelectionError: connect ECONNREFUSED 127.0.0.1:27017
    at Timeout._onTimeout (/var/www/html/DnA/parse-server-migration/node_modules/mongodb/src/sdam/topology.ts:577:30)
    at listOnTimeout (node:internal/timers:564:17)
    at processTimers (node:internal/timers:507:7) {
  reason: TopologyDescription {
    type: 'Unknown',
    servers: Map(1) { 'localhost:27017' => [ServerDescription] },
    stale: false,
    compatible: true,
    heartbeatFrequencyMS: 10000,
    localThresholdMS: 15,
    setName: null,
    maxElectionId: null,
    maxSetVersion: null,
    commonWireVersion: 0,
    logicalSessionTimeoutMinutes: null
  },
  code: undefined,
  [Symbol(errorLabels)]: Set(0) {}
}
error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.

And before that error I got the same except instead of ECONNREFUSED I got:]

MongoServerSelectionError: Invalid message size: 1347703880, max allowed: 67108864

What am I getting wrong here?

alex · December 16, 2022, 11:24pm

Seems to still be an issue with your MongoDB connection, check your instance and your connection string (in .env). If you keep having issues with it locally, you could just set up a hosted MongoDB (Cloud) instance for now.

davecotefilm · December 16, 2022, 11:37pm

I’ve always struggled with mongodb, I hate it actually. Would you happen to know how to do it by cloud?
Dave

alex · December 16, 2022, 11:41pm

You can follow this tutorial.

davecotefilm · December 18, 2022, 3:56am

Okay server is running:

root@davecote:/var/www/html/DnA/parse-server-migration# yarn dev
yarn run v1.22.19
$ ts-node src/index.ts
bigint: Failed to load bindings, pure JS will be used (try npm run rebuild?)
warn: DeprecationWarning: The Parse Server option 'directAccess' default will change to 'true' in a future version. Additionally, the environment variable 'PARSE_SERVER_ENABLE_EXPERIMENTAL_DIRECT_ACCESS' will be deprecated and renamed to 'PARSE_SERVER_DIRECT_ACCESS' in a future version; it is currently possible to use either one.
warn: DeprecationWarning: The Parse Server option 'enforcePrivateUsers' default will change to 'true' in a future version.
warn: DeprecationWarning: The Parse Server option 'allowClientClassCreation' default will change to 'false' in a future version.
info: Parse LiveQuery Server started running
Moralis Server is running on port 1337 and stream webhook url https://3494-167-71-97-138.ngrok.io/streams-webhook

But, same browser errors:

[WebSocket] Queued 0 subscriptions
build.framework.js:3454:11
[WebSocket] Flushing Queue
build.framework.js:3454:11
[WebSocket] Queue Count: 0
build.framework.js:3454:11
[WebSocket] Queue Flushed
build.framework.js:3454:11
[WebSocket] Opened wss://2.bridge.walletconnect.org
build.framework.js:3454:11
[WebSocket] Open Completed
build.framework.js:3454:11
[WebSocket] Subscribe to e48c6638-3688-476c-974d-9d6c5f939001
build.framework.js:3454:11
[WalletConnect] Session Connected
3 build.framework.js:3454:11
Wallet connection received
build.framework.js:3454:11
Adding Header: Content-Type value: application/json
build.framework.js:3454:11
Adding Header: X-Parse-Installation-Id value: dec524d9-62f3-4388-ae7a-73b04cba5c16
build.framework.js:3454:11
Adding Header: X-Parse-Application-Id value: pRLSWTZ8RUMngGVmgWmI8IzaUXFgUsX8Z1wZ6leJ
build.framework.js:3454:11
Setup default wallet MetaMask
build.framework.js:3454:11
WebGL warning: clientWaitSync: ClientWaitSync must return TIMEOUT_EXPIRED until control has returned to the user agent's main loop. (only warns once) 7
Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at http://localhost:1337/server/functions/getServerTime. (Reason: CORS request did not succeed). Status code: (null).
2
Error: Unknown Error
build.framework.js:3447:11
Error Getting Wallet Info: Unknown Error

So this machine is ubuntu 20.04, run via terminal ssh, the webGL build is at devilsandangels.io/DnA/selfhost/ and the parse server is at devilsandangels.io:1337/server
Please ask me questions to get me to look up whatever I need to be looking at. Where are any logs that could help?
Dave

davecotefilm · December 17, 2022, 6:18am

And if I run the webGL in the Unity editor (not on the servers machine, on my home PC) it gives Error: Cannot connect to destination host (expected obviously) but then throws this:

[WebSocket] Exception Unexpected character encountered while parsing value: M. Path '', line 0, position 0.
UnityEngine.Debug:Log (object)
WalletConnectSharp.Unity.Network.NativeWebSocketTransport/<OnMessageReceived>d__29:MoveNext () (at Assets/MoralisWeb3ApiSdk/WalletConnectSharp.Unity/Network/NativeWebSocketTransport.cs:199)
System.Runtime.CompilerServices.AsyncVoidMethodBuilder:Start<WalletConnectSharp.Unity.Network.NativeWebSocketTransport/<OnMessageReceived>d__29> (WalletConnectSharp.Unity.Network.NativeWebSocketTransport/<OnMessageReceived>d__29&)
WalletConnectSharp.Unity.Network.NativeWebSocketTransport:OnMessageReceived (byte[])
NativeWebSocket.WebSocket:DispatchMessageQueue () (at Assets/MoralisWeb3ApiSdk/WalletConnectSharp.Unity/Network/Client/NativeWebSocket.cs:701)
WalletConnectSharp.Unity.Network.NativeWebSocketTransport:Update () (at Assets/MoralisWeb3ApiSdk/WalletConnectSharp.Unity/Network/NativeWebSocketTransport.cs:208)

Does this point to anything?
D

alex · December 18, 2022, 1:55am

These links don’t work for me.

I’m not familiar with this error - this error isn’t coming from your own code? When does this happen? What is the server / dapp URL you’re using in the Unity SDK for your project?

davecotefilm · December 18, 2022, 3:57am

Sorry links are:
Webgl https://devilsandangels.io/DnA/selfhost
Server http://devilsandangels.io:1337/server

And I don’t know, could it be that my older sdk is causing the problem? It happens right after scanning QR and then accepting connection in metamask on the mobile app on my phone. The browser on computer says successful connection please sign message. Then crash.

alex · December 18, 2022, 3:17am

It could be - I’m not that familiar with the older SDK code. You could share a repo of the Unity project. If you double click the error in the Unity editor, it may open the file where it’s coming from.

Those links still show 404 errors for me.