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Nethereum Unity Webgl sample starter (Currently using Metamask)

License: MIT License

C# 6.36% CSS 0.16% HTML 0.56% JavaScript 92.91%

nethereum.unity.webgl's Introduction

Nethereum.Unity.Webgl

Nethereum Unity Webgl sample starter

Example on how to integrate a WebGl unity project with Metamask, Deploy an ERC721 smartcontract (NFT) and interact with the smart contract minting a token and retrieving the asset (image) associated with it.

Notes

Entry point is the Metamask Controller: https://github.com/Nethereum/Nethereum.Unity.Webgl/blob/main/Assets/MetamaskController.cs
Only supported in 2021 and above due to emscripten
If creating a custom index.html file, the script needs to instantiate nethereumUnityInstance as per the example here: https://github.com/Nethereum/Nethereum.Unity.Webgl/blob/main/WebGl/index.html#L111
This example uses coroutines only, if you want to use Web3 / Tasks check the main template https://github.com/Nethereum/Unity3dSampleTemplate, that uses the WebGLThreadingPatcher https://github.com/VolodymyrBS/WebGLThreadingPatcher, or any other way to enable wasm with Task threading support.

Future thoughts, next steps:

Include in the sample WalletConnect, probably using a submodule to provide the integration guidelines.
Same example using Web3 / Tasks

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6uamy valera-datasakura loganlxb hummans kevinsmall juanumusic petermunachi chrismahoney miyatakoji simplegame kbryan neilsonnn

nethereum.unity.webgl's Issues

Uncaught (in promise) ReferenceError: nethereumUnityInstance is not defined at _EnableEthereum

Unity Editor: 2021.2.10
API Compatibility Level: .Net Framework
Build WebGL: OK
Run on web: Error
Uncaught (in promise) ReferenceError: nethereumUnityInstance is not defined at _EnableEthereum

ReferenceError: playerData is not defined at _InitPlayer_js unity webGl

I was making a project in Unity, but during the build the following error occurred. No matter how many times I redo the build, I always get this error.

How to call setApprovalForAll

Hi.

I want to call setApprovalForAll which described in this:
https://docs.openzeppelin.com/contracts/4.x/api/token/erc721#IERC721-setApprovalForAll-address-bool-

I found class SetApprovalForAllFunction in ERC721PresetMinterPauserAutoIdDefinition.cs but I have no idea how to use it.
https://github.com/Nethereum/Nethereum.Unity.Webgl/blob/main/Assets/ERC721PresetMinterPauserAutoId/ContractDefinition/ERC721PresetMinterPauserAutoIdDefinition.cs#L260

Thank you!

What is MetamaskInterop?

Assets/MetamaskController.cs(186,13): error CS0103: The name 'MetamaskInterop' does not exist in the current context

HI

I am encountering this when connecting to metamask ReferenceError: nethereumUnityInstance is not defined

Not Connecting Metamaks

when i build and run the project and click on connect button the metamask popup appears and then when clicked on connect button in metamask popup i am getting the error Uncaught (in promise) ReferenceError: nethereumUnityInstance is not defined
at _EnableEthereum (bld.framework.js:1311:3)

Typo in NethereumMetamask.jslib

I think there is a little typo in NethereumMetamask.jslib which causes to empty public key when accounts changed.
`

    ethereum.on("accountsChanged",
            function (accounts) {
                //console.log(accounts[0]);
                let account = "";
                if(account[0] !== undefined){
                    account = account[0];
                }
                nethereumUnityInstance.SendMessage(parsedObjectName, parsedCallbackAccountChange, account);
            });
    ethereum.on("chainChanged",
            function (chainId) {
                // console.log(chainId);
                nethereumUnityInstance.SendMessage(parsedObjectName, parsedCallbackChainChange, chainId.toString());
            });

in ethereum.on("accountsChanged, ...) accounts array typed as "account" (without 's')