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vue3-web3modal

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demo (with darkmode)

The Demo works, Connect your wallet to see it in action.

Quick Start;

See demo folder in repository to see how its setup!

Copied from uniswap;

This Modal is copied from this Uniswap interface, as seen in the Uniswap exchange.

Installation

npm i vue3-web3modal
# or
yarn add vue3-web3modal

setup

web3modal So you first have to install your desired providers;

//install desired providers

npm i Authereum  
npm i  Venly 
npm i  Portis  
npm i  Bitski
....

For all supported providers, see origninal web3modal providers for more info;

Create a providerOptions file:

The providers options file format is the same as web3modal providers

// ./providerOptions.js
import Authereum from "authereum";
import { Venly } from "@venly/web3-provider";
import Portis from "@portis/web3";
import { Bitski } from "bitski";
export const providerOptions = {
    walletconnect: {
        package: WalletConnectProvider,
        options: {
            infuraId: process.env.VUE_APP_INFURA_KEY,
        },
    },
    venly: {
        package: Venly, // required
        options: {
            clientId: process.env.VUE_APP_VENLY_CLIENT_ID // required
        }
    },
    portis: {
        package: Portis, // required
        options: {
            id: process.env.VUE_APP_PORTIS_ID, // required
        },
    },
    bitski: {
    package: Bitski,
    options: {
        clientId: process.env.VUE_APP_BITSKI_CLIENT_ID,
        callbackUrl: window.location.href + "bitski-callback.html",
    },
},

setup vue3

Requires vue-i18n to be in your app

Some Providers dont support events so all transactions are confirmed using infura ;

infuraKey app key is required

// in your main.js
const infuraKey = process.env.VUE_APP_INFURA_KEY;
import {providerOptions}  from './providers'
import { createApp } from 'vue';
import { createI18n } from "vue-i18n"; 
import { createWeb3 } from 'vue3-web3modal';
import App from './App.vue';
//To disable global registration , set global false
import { theme } from './theme';
import {providerOptions}  from './providers'
const web3vue = createWeb3({
    infuraKey,
    providerOptions,
    theme,
    global:true // components will be registered globally
})
const app = createApp(App);
app.use(i18n);
app.use(web3vue);
app.config.devtools = true
app.mount('#app');

Using the Web3Manager

automatically registers the modal!

// import Web3Manager plugin and active web3 
<script>
import { Web3Manager, useActiveWeb3Vue} from "vue3-web3modal";
export default {
	components: {
		Web3Manager,
	},
	setup() {
        // all these variable need .value
		const { 
            web3, //ref
            account, //ref
            etherBalance, //asyncComputed
            chainId,//ref
            providerInfo,//computed
            isValidNetwork,//computed
            active,//ref
            error, //ref
        } = useActiveWeb3Vue();
        console.log(etherBalance.value)
		return {
            account
		};
	},
};
</script>
<template>
<Web3Manager />
</template>

The Web3Manager has a slot for user dropdown

<Web3Manager>
    <UserDropDown>// your user dropdwon component
</Web3Manager>

using Web3Modal only, No Web3Manager

First Disable automatic registration.

Automatic registration disabled by default In your main.js

const web3vue = createWeb3({
    infuraKey, 
    providerOptions,
    theme,
    //global:true //remove this
})

In One of your Components eg App.vue

// import web menu plugin and activeweb3 
<script>
    import { Web3Modal, useActiveWeb3Vue, useWeb3ModalToggle} from "vue3-web3modal";
	export default {
	components: {
		Web3Modal,
	},
	setup() {
        // all these variable need .value
        const { 
            web3, //ref
            account, //ref
            etherBalance, //asyncComputed
            ...
         } = useActiveWeb3Vue();
        console.log(etherBalance.value)
        const { open, close, isOpen, toggle} = useWeb3ModalToggle();
		return {
            account,
            toggle
		};
	},
};
</script>
<template>
<Web3Modal />
<a href="#" @click="toggle()">Connect Your Wallet</a>
</template>

Translations.

Important!!! You must initialize and enable vue-i18n The Plugin uses vuei18n for translations .

{{$t('Connect Modal')}}

Add the following translations to your translation file: I will appreciate any pull requests for this ...

// in ./translations.js
const messages = {
    en: {
        "Account": "Account",
        "Arbiscan": "Arbiscan",
        "Arbitrum Bridge": "Arbitrum Bridge",
        "Bridge": "Bridge",
        "Bscscan": "Bscscan",
        "Change": "Change",
        "Check network status": "Check network status",
        "close": "close",
        "Connect": "Connect",
        "Connect to a wallet": "Connect to a wallet",
        "Connected with": "Connected with",
        "Copied": "Copied",
        "dashboard": "dashboard",
        "Disconnect": "Disconnect",
        "Error connecting": "Error connecting",
        "Error Connecting": "Error Connecting",
        "Error connecting. Try refreshing the page": "Error connecting. Try refreshing the page",
        "Etherscan": "Etherscan",
        "Help Center": "Help Center",
        "here.": "here.",
        "Initializing...": "Initializing...",
        "Invalid Network": "Invalid Network",
        "Network Warning": "Network Warning",
        "onDismiss": "onDismiss",
        "Optimism Gateway": "Optimism Gateway",
        "Optimistic Etherscan": "Optimistic Etherscan",
        "Pending": "Pending",
        "Polygon Bridge": "Polygon Bridge",
        "Polygonscan": "Polygonscan",
        "Select a network": "Select a network",
        "Show Portis": "Show Portis",
        "Try Again ": "Try Again ",
        "Wallet": "Wallet",
        "Wrong Network": "Wrong Network",
        "You may have lost your network connection, or {label} might be down right now.": "You may have lost your network connection, or {label} might be down right now.",
        "You may have lost your network connection.": "You may have lost your network connection.",
        "Your Wallets Network is not supported": "Your Wallets Network is not supported"
    },
    de:{
        "Account": "Konto",
        "Arbiscan": "Arbiscan",
        ....
        //etc
    }
}

Initialize vue-i18n

//in your main.js
.....

import translations from './messages'; // translations
// 2. Create i18n instance with options
const i18n = createI18n({
    locale: 'en', // set locale
    fallbackLocale: 'en', // set fallback locale
    translations, // set locale messages
})

Place i18n before web3vue

const app = createApp(APP);
app.use(i18n); // translations come before
app.use(web3vue); // initialize web3vue

Usage

once the modal is enabled and permission granted by user you can access the following variable anywhere in your app

// anywhere in your app setup()
import { useActiveWeb3Vue } from "vue3-web3modal";

setup(){

    const {
        web3, //ref
        account, //ref
        etherBalance, //asyncComputed
        chainId,//ref
        providerInfo,//computed
        isValidNetwork,//computed
        active,//ref
        error, //ref
    } = useActiveWeb3Vue();

    //example use of web3 initialized;
    const contract = new web3.value.eth.Contract(your_toke_ABI, token_address);
    const balance = await contract.methods.balanceOf(account.value);
    console.log(web3.utils.fromWei(balance.toString()));
    return{
        account
        web3
        balance
    }
}

web3

web3 is null ref before initialization after its populated with the connected web3 account

import { useActiveWeb3Vue } from "vue3-web3modal";
/// in the component setup
setup(){
    const { web3, account } = useActiveWeb3Vue();
    const contract = new web3.value.eth.Contract(your_toke_ABI, token_address);
    const balance = await contract.methods.balanceOf(account.value);
    console.log(web3.utils.fromWei(balance.toString()));
    return {
        balance;
    }
}

account ;

account is a null ref before initialization

after user connected, is the users address;

It will be modified to new address if user changes address in wallet eg metamask

import { useActiveWeb3Vue } from "vue3-web3modal";
/// in the component setup
setup(){
    const {  account   } = useActiveWeb3Vue();
    console.log(account.value);
    //0x7f0374480b9Ca09144F6cBd16774FDf1da1ae528
}

etherBalance;

etherBalance is a null computed before initialization;

After user connected, is the users etherbalance in ETH; Is computed and will be recomputed if user changes network or address or spends or receives eth;

import { useActiveWeb3Vue } from "vue3-web3modal";
/// in the component setup
setup(){
    const {  etherBalance   } = useActiveWeb3Vue();
    console.log(etherBalance.value);
    //0.054357546476767353
}

chainId

chainId is a null ref before initialization; After user connected, is the users network chainId ; Is a ref and will be adjusted automatically if user changes network;

import { useActiveWeb3Vue } from "vue3-web3modal";
/// in the component setup
setup(){
    const {  chainId   } = useActiveWeb3Vue();
    console.log(chainId.value);
    // 3
}

providerInfo, isValidNetwork

providerInfo is the information of connected provider eg metamask , coinbase etc:

isValidNetwork is a boolean ref, determines if user is connected to a supported network; the follwoing networks are supported

MAINNET: 1,
ROPSTEN: 3,
RINKEBY: 4,
GOERLI: 5,
KOVAN: 42,
ARBITRUM_ONE: 42161,
ARBITRUM_RINKEBY: 421611,
OPTIMISM: 10,
OPTIMISTIC_KOVAN: 69,
POLYGON: 137,
POLYGON_MUMBAI: 80001,
BINANCE: 56,
BINANCE_TESTNET: 97,

usage

import { useActiveWeb3Vue } from "vue3-web3modal";
/// in the component setup
setup(){
    const {  isValidNetwork,providerInfo   } = useActiveWeb3Vue();
    if(isValidNetwork.value){
        console(providerInfo.value)
        /*{
            name: metamask,
            .....
        }*/
    }
    // true
}

active, error

active is a boolean ref, determines if user the user has connected his wallet and everything is set;

error is a ref containing errors encountered, you can use it to determine if everythiing is going ok

import { useActiveWeb3Vue } from "vue3-web3modal";
import {watch} from vue;
/// in the component setup
setup(){
    const {  active , error, web3   } = useActiveWeb3Vue();
    watch([active, error], ([active, error])=>{
        if(active){
             login(); // user connected
        }else{
            logout() // user closed wallet
            console.log('deactivated')
        }
        if(error){
            showError(error);
        }
       
    })
}

Transactions;

Some providers dont support events, making it tough to confirm transactions. so to unify transactions confirmation, a method exists to confirm transactions via Infura

import { useActiveWeb3Vue,  addTransaction, txBus } from "vue3-web3modal";
/// in the component setup
setup(){
    const { web3  } = useActiveWeb3Vue();
    const to = '0x7f0374480b9Ca09144F6cBd16774FDf1da1ae528';
    const contract = new web3.value.eth.Contract(your_toke_ABI, token_address);
    const amount = web3.utils.toWei('0.9675');
    const hash = await contract.methods.transfer(to, amount);
    // some providers dont support this
    //contract.methods.transfer(to, amount).once('receipt',(receipt)=>console.log(receipt))
    addTransaction({
        hash,
        onSuccess:(receipt)=>console.log(receipt), // after one confirmation
        onError:(error)=>console.log(error), // called on any errors
        summary:'Send 0.0967 ZBT', A summary Displayed to the user !!
        approval: false, // flag to show tx is approval tx
    })

    // yoh can also listen to the tx's events on it hash
    txBus.on(hash, ({receipt, error, hash, summary})=>{
        // error occured if error was set;
        if(error) return showError(error);
        console.log(receipt.hash)
        showNotification(summary.)
    })
}

events;

Again Some providers dont support events listening; You would be wise to use infura;

Infura doesnt support binance chain

import { useInfura } from "vue3-web3modal";
/// in the component setup
setup(){
    //websocket with fallback to https;
    const { infuraWss  } = useInfura();
    // infuraWss is a web3 instance connected to infura websockets
    infuraWss.value.eth
        .subscribe("newBlockHeaders")
        .on("data", (block) => console.log(block));
    // contracts events
    const contract = new infuraWss.value.eth.Contract(your_toke_ABI, token_address);
    contract.events.Transfer().on('data', (event)=> console.log(event))
}

Theming

By default, Uniswap colors are preserved, But we all have our themes Adjust the colours below to suit your needs.

I just extracted this theme in random, I dont what color goes where so experimemt and share

// in ./theme.js
import { computed, reactive } from "vue";
import { darkMode } from "vue3-web3modal";
export const theme = reactive({
    colors: null,
    // base
    white:"#FFFFFF",
    black:"#000000",
    // text
    text1: computed(() => darkMode.value ? "#FFFFFF" : "#000000"),
    text2: computed(() => darkMode.value ? "#C3C5CB" : "#565A69"),
    text3: computed(() => darkMode.value ? "#6C7284" : "#888D9B"),
    text4: computed(() => darkMode.value ? "#565A69" : "#C3C5CB"),
    // backgrounds / greys
    
    // backgrounds / greys
    bg0: computed(() => darkMode.value ? '#191B1F' : '#FFF'),
    bg1: computed(() => darkMode.value ? '#212429' : '#F7F8FA'),
    bg2: computed(() => darkMode.value ? '#2C2F36' : '#EDEEF2'),
    bg3: computed(() => darkMode.value ? '#40444F' : '#CED0D9'),
    bg4: computed(() => darkMode.value ? '#565A69' : '#888D9B'),
 
    //borders
    bd0: computed(() => darkMode.value ? '#191B1F' : '#CED0D9'),
    bd1: computed(() => darkMode.value ? '#212429' : '#CED0D9'),
    bd2: computed(() => darkMode.value ? '#2C2F36' : '#EDEEF2'),
    bd3: computed(() => darkMode.value ? '#40444F' : '#CED0D9'),

    //specialty colors
    modalBG: computed(() => darkMode.value ? "rgba(0,0,0,.425)" : "rgba(0,0,0,0.3)"),
    //primary colorsrgb(209 250 229)

    primary1: computed(() => darkMode.value ? '#2172E5' : '#1e7e6b'),
    //primary2: computed(() => darkMode.value ? '#3680E7' : '#78baad'),
    primary3: computed(() => darkMode.value ? '#4D8FEA' : '#90c3b9'),
    primary4: computed(() => darkMode.value ? '#376bad70' : '#a4d2c9'),
    primary5: computed(() => darkMode.value ? '#153d6f70' : '#c2eae2'),
    // color text

    // color text
   
    primaryText1: computed(() => darkMode.value ? '#5090ea' : '#1e7e6b'),

    // other
    red1: "#FD4040",
    green1: "#27AE60",
    yellow2: "#F3841E",
    blue1: "#a78253",
    //shadows
    shadow1: computed(() => darkMode.value ? "#000" : "#2F80ED"),
});

add the theme to your main.js

// adjust  your main.js
const infuraKey = process.env.VUE_APP_INFURA_KEY;
import { theme } from './theme'; // see theming below
import {providerOptions}  from './providers' //we created this above
const web3vue = createWeb3({
    infuraKey, 
    providerOptions,
    theme, // add theme
})

const app = createApp(DemoApp);
app.use(i18n);
app.use(web3vue);

#Dark Mode

<script setup>
    import {  toggleDark, isDark } from "vue3-web3modal";
    console.log(isDark);
</script>
<template>
    <button @click="toggleDark()"> DarkMode </button>
</template>

Env Variables

if using vue-cli its recommeded to add your api keys to your .env file; in vue-cli the VUE_APP_ prefix ie required

// in ./.env -->these are dummies


VUE_APP_INFURA_KEY=7cd6581wth84a5e9084450a8c9a90e8j
VUE_APP_FORTMATIC_KEY=pk_live_5CYC964AFEDW4B62
VUE_APP_PORTIS_ID=01801ec8-5ec5-4070-aeff-4a955ea4bccb

....

// const infuraKey = process.env.VUE_APP_INFURA_KEY;

Or Laravel The MIX_ prefix is required

// in ./.env 


MIX_INFURA_KEY=7cd6581wth84a5e9084450a8c9a90e8j
MIX_FORTMATIC_KEY=pk_live_5CYC964AFEDW4B62
MIX_PORTIS_ID=01801ec8-5ec5-4070-aeff-4a955ea4bccb

....

Contributing

  1. Fork it!
  2. Create your feature branch: git checkout -b my-new-feature
  3. Commit your changes: git commit -am 'Add some feature'
  4. Push to the branch: git push origin my-new-feature
  5. Submit a pull request :D

Author

vue3-web3modal © envatic, Released under the MIT License.
Authored and maintained by envatic with help from contributors (list).

GitHub @envatic · Twitter @ofumbi

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