Coinbase Wallet SDK

Coinbase Wallet SDK allows dapps to connect to Coinbase Wallet

1. Coinbase Smart Wallet
2. Docs
3. Coinbase Wallet mobile for Android and iOS
4. Desktop: Users can connect to your dapp by scanning a QR code
5. Mobile: Users can connect to your mobile dapp through a deeplink to the dapp browser
6. Coinbase Wallet extension for Chrome and Brave
7. Desktop: Users can connect by clicking the connect with an extension option.

Installing Wallet SDK

1. Check available versions:

```shell # yarn yarn info @coinbase/wallet-sdk versions

 # npm
 npm view @coinbase/wallet-sdk versions

```

1. Install latest version:

```shell # yarn yarn add @coinbase/wallet-sdk

# npm npm install @coinbase/wallet-sdk ```

1. Check installed version:

```shell # yarn yarn list @coinbase/wallet-sdk

# npm npm list @coinbase/wallet-sdk ```

Upgrading Wallet SDK

Migrating from v3 to v4? Please see our v4 migration guide for a full list of breaking changes.

1. Compare the installed version with the latest:

```shell # yarn yarn outdated @coinbase/wallet-sdk

# npm npm outdated @coinbase/wallet-sdk ```

1. Update to latest:

```shell # yarn yarn upgrade @coinbase/wallet-sdk --latest

# npm npm update @coinbase/wallet-sdk ```

Basic Usage

1. Initialize SDK

js const sdk = new CoinbaseWalletSDK({ appName: 'SDK Playground', });

1. Make web3 Provider

js const provider = sdk.makeWeb3Provider();

1. Request accounts to initialize a connection to wallet

js const addresses = provider.request({ method: 'eth_requestAccounts', });

1. Make more requests

js provider.request('personal_sign', [ `0x${Buffer.from('test message', 'utf8').toString('hex')}`, addresses[0], ]);

1. Handle provider events

```js provider.on('connect', (info) => { setConnect(info); });

provider.on('disconnect', (error) => { setDisconnect({ code: error.code, message: error.message }); });

provider.on('accountsChanged', (accounts) => { setAccountsChanged(accounts); });

provider.on('chainChanged', (chainId) => { setChainChanged(chainId); });

provider.on('message', (message) => { setMessage(message); }); ```

Developing locally and running the test dapp

• The Coinbase Wallet SDK test dapp can be viewed here https://coinbase.github.io/coinbase-wallet-sdk/.

• To run it locally follow these steps:

• Fork this repo and clone it

• From the root dir run yarn install
• From the root dir run yarn dev