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@polkadot-onboard

@polkadot-onboard provides a set of packages for developers to easily onboard and add different type of polkadot wallets to their dapps. It provides a universal interface for working with different type of wallets (e.g. Injected-wallets, Wallet-Connect, hardware-wallets).

install the packages:

// npm
npm install \
 @polkadot-onboard/core\
 @polkadot-onboard/injected-wallets\
 @polkadot-onboard/wallet-connect\
 @polkadot-onboard/react

// yarn
yarn add \
 @polkadot-onboard/core\
 @polkadot-onboard/injected-wallets\
 @polkadot-onboard/wallet-connect\
 @polkadot-onboard/react

example for using it in a react-app:

import { WalletAggregator } from '@polkadot-onboard/core';
import { InjectedWalletProvider } from '@polkadot-onboard/injected-wallets';
import { WalletConnectProvider } from '@polkadot-onboard/wallet-connect';
import { PolkadotWalletsContextProvider, useWallets } from '@polkadot-onboard/react';

const APP_NAME = 'Polkadot wallets example';

const ConnectContainer = () => {
    let walletConnectParams = {
        projectId: '4fae...',
        relayUrl: 'wss://relay.walletconnect.com',
        metadata: {
        name: 'Polkadot Demo',
        description: 'Polkadot Demo',
        url: '#',
        icons: ['https://walletconnect.com/walletconnect-logo.png'],
        },
    };
    let walletAggregator = new WalletAggregator([
            new InjectedWalletProvider({}, APP_NAME),
            new WalletConnectProvider(walletConnectParams, APP_NAME)
    ]);
    return (
        <PolkadotWalletsContextProvider walletAggregator={walletAggregator}>
        /*
        all wallets are available inside this context to all children.

        const { wallets } = useWallets();

        each wallet provides a universal interface including a signer that can be used to sign messages and transactions:

        interface BaseWallet {
            ...
            signer: Signer | undefined; // signer is available after connect() is called.
            connect: () => Promise<void>;
            disconnect: () => Promise<void>;
            isConnected: () => boolean;
            getAccounts: () => Promise<Account[]>;
            ...
        }
        */
        </PolkadotWalletsContextProvider>
    );

check the full examples:

For wallet-connect you need a mobile apps that supports wallet-connect.
wallet-connect demo video

	signRaw = async (raw: SignerPayloadRaw): Promise<SignerResult> => {
	const request = {
	topic: this.session.topic,
	chainId: POLKADOT_CHAIN_ID,
	request: {
	id: 1,
	jsonrpc: '2.0',
	method: 'polkadot_signMessage',
	params: { address: raw.address, message: raw.data },
	},
	};

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polkadot-onboard's Introduction

@polkadot-onboard

install the packages:

example for using it in a react-app:

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