Methods Usage Latest
import { Banana,
Chains,
BananaSigner,
Wallet,
Banana4337Provider
} from '@rize-labs/banana-wallet-sdk'
/**
* Banana Module:
* This module will be responsible to deliver everything related to account abstraction
* , smart contract wallets and touchId authentication i.e 4337 based provider, wallets etc
*/
/*
* Banana Module Initialization
* @params chain enum
* @returns Banana Class instance
*/
const bananaInstance = new Banana(Chains.goerli);
/*
* @params none
* @returns walletName: string
* accessed from the banana instance and used to fetch walletname.
* cached in the user's cookie storage
*/
const someWalletName: string = bananaInstance.getWalletName();
// when the user doesn't possess a wallet. createWallet method can be used to createWallet for user
// createWallet method has inbuilt prompts for walletname and wallet name uniqueness checkers it opens up
// a walletname input field in separate page and closes once the user enter's unique walletname
const walletInstance: Wallet = await bananaInstance.createWallet();
// when the user already has a wallet. This username can be given directly by the user
// or fetched by dev using getWalletName() method
const walletInstanceFromConnect: Wallet = await bananaInstance.connectWallet(someWalletName);
// method which returns provider which can be further used to retrieve signer and initialize contract
const bananaProvider: Banana4337Provider = await walletInstance.getProvider();
// extracting bananSigner
const bananaSigner: BananaSigner = await walletInstance.getSigner();
// initializing sample greeter contract with aaSigner
const GreeterContract = new ethers.Contract(
addresses.Greeter,
GreeterArtifact.abi,
bananaProvider
);
// greeter contract greet calldata
const greetCallData = GreeterContract.interface.encodeFunctionData(
"greet",
[]
);
// to send transaction
const txn = {
to: addresses.Greeter,
from: walletInstance.getAddress(),
value: 0,
data: greetCallData
}
const txn = bananaSigner.sendTransaction(txn);
await txn.wait(); // waiting for txn to complete
//Similarly signing and verifying messages the flow looks like
/**
* @method verify
* @param { string } signature, { string } messageSigned, { string } eoaAddress
* @returns { boolean } isSignatureValid
* method to verify message against signature
*/
const sampleMsg = "Hello World";
const eoaAddress = bananaInstance.getEOAAddress();
const signMessageResponse = await bananaSigner.signBananaMessage(sampleMsg);
const signature = signMessageResponse.signature;
const isSignatureValid = await bananaInstance.verifySignature(signature, sampleMsg, eoaAddress);
If you have any questions please post them Banana SDK Discord forum.
Last updated