@trustwallet/rn-sdk is Trust Wallet's react native SDK, it allows you to request accounts, sign messages and transactions.
- Table of Contents
npm i @trustwallet/rn-sdk @trustwallet/wallet-coreMake sure you have set up intent-filter for your app (documentation here)
The example app settings:
<activity
android:name=".MainActivity"
android:launchMode="singleTask"
<intent-filter>
<action android:name="android.intent.action.VIEW" />
<category android:name="android.intent.category.DEFAULT" />
<data android:scheme="trust-rn-example"/>
</intent-filter>
</activity>Make sure you have set up url scheme for your app (Open Xcode an click on your project. Go to the 'Info' tab and expand the 'URL Types' group).
The example app settings:
<key>CFBundleURLTypes</key>
<array>
<dict>
<key>CFBundleTypeRole</key>
<string>Editor</string>
<key>CFBundleURLSchemes</key>
<array>
<string>trust-rn-example</string>
</array>
</dict>
</array>// iOS 9.x or newer
#import <React/RCTLinkingManager.h>
- (BOOL)application:(UIApplication *)application
openURL:(NSURL *)url
options:(NSDictionary<UIApplicationOpenURLOptionsKey,id> *)options
{
return [RCTLinkingManager application:application openURL:url options:options];
}
// If your app is using Universal Links
- (BOOL)application:(UIApplication *)application continueUserActivity:(NSUserActivity *)userActivity
restorationHandler:(void (^)(NSArray * _Nullable))restorationHandler
{
return [RCTLinkingManager application:application
continueUserActivity:userActivity
restorationHandler:restorationHandler];
}Checkout the example typescript project in example folder.
git clone [email protected]:TrustWallet/react-native-trust-sdk.git
cd react-native-trust-sdk/example
npm install && npm start
react-native run-ios
import the package:
import TrustWallet, {CoinType} from '@trustwallet/rn-sdk'initialize an instance, e.g. in componentDidMount:
const wallet = new TrustWallet('<your_app_scheme>://');request ETH/BNB accounts:
wallet.requestAccounts([CoinType.ethereum, CoinType.binance])
.then((accounts) => {
Alert.alert('Accounts', accounts.join('\n'))
}).catch(error => {
Alert.alert('Error', JSON.stringify(error))
})sign an Ethereum message:
const message = utils.keccak256(this.ethereumMessage("Some message"))
wallet.signMessage(message, CoinType.ethereum)
.then((result) => {
Alert.alert('Signature', result)
}).catch(error => {
Alert.alert('Error', JSON.stringify(error))
})sign an Ethereum transaction:
const tx = {
toAddress: '0x728B02377230b5df73Aa4E3192E89b6090DD7312',
chainId: Buffer.from('0x01', 'hex'),
nonce: this.serializeBigInt('447'),
gasPrice: this.serializeBigInt('2112000000'),
gasLimit: this.serializeBigInt('21000'),
amount: this.serializeBigInt('100000000000000')
}
wallet.signTransaction(tx, CoinType.ethereum, send)
.then(result =>{
Alert.alert('Transaction', result)
}).catch(error => {
Alert.alert('Error', JSON.stringify(error))
})clean up all resolve handlers, e.g. incomponentWillUnmount:
wallet.cleanup();You are welcome! Create pull requests and help to improve the package.
MIT
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