@solana-mobile/mobile-wallet-adapter-protocol v2.1.3
@solana-mobile/mobile-wallet-adapter-protocol
This is a reference implementation of the Mobile Wallet Adapter specification in JavaScript. Use this to start a session with a mobile wallet in which you can issue API calls to it (eg. sign_messages
) as per the spec.
If you are simply looking to integrate a JavaScript application with mobile wallets, see @solana-mobile/wallet-adapter-mobile
instead.
Learn how to use this API on our documentation website:
Quick start
Use this API to start a session:
import {transact} from '@solana-mobile/mobile-wallet-adapter-protocol';
await transact(async (wallet) => {
/* ... */
});
The callback you provide will be called once a session has been established with a wallet. It will recieve the MobileWallet
API as an argument. You can call protocol-specified methods using this function. Whatever you return from this callback will be returned by transact
.
const signedPayloads = await transact(async (wallet) => {
const {signed_payloads} = await wallet.signMessages({
auth_token,
payloads: [/* ... */],
});
return signed_payloads;
});
The wallet session will stay active until your callback returns. Typically, wallets will redirect back to your app once the session ends.
Exception handling
You can catch exceptions at any level. See errors.ts
for a list of exceptions that might be thrown.
try {
await transact(async (wallet) => {
try {
await wallet.signTransactions(/* ... */);
} catch (e) {
if (
e instanceof SolanaMobileWalletAdapterProtocolError &&
e.code === SolanaMobileWalletAdapterProtocolErrorCode.ERROR_REAUTHORIZE
) {
console.error('The auth token has gone stale');
await wallet.reauthorize({auth_token, identity});
// Retry...
}
throw e;
}
});
} catch(e) {
if (
e instanceof SolanaMobileWalletAdapterError &&
e.code === SolanaMobileWalletAdapterErrorCode.ERROR_WALLET_NOT_FOUND
) {
/* ... */
}
throw e;
}
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