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Usage

const bearerToken = await getBearerToken(); // Your auth implementation

const transferResult = await browserClient.transfer({
  params: {
    encryptKey: "user-secure-pin",
    wallet: {
      publicKey: "0x123...yourPublicKeyHere",
      encryptedPrivateKey: "encrypted:key:data"
    },
    amount: "100",
    token: "USDC",
    recipient: "0x1234567890abcdef...",
  },
  bearerToken: bearerToken,
});

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Parameters

  • encryptKey (string): PIN used to decrypt the private key
  • wallet (WalletData): Object with publicKey and encryptedPrivateKey
  • amount (string | number): Transfer amount
  • token (string): Token type (e.g., “USDC”)
  • recipient (string): Destination wallet address
  • decimals (number, optional): Token decimals (default: 18)
  • bearerToken (string): Bearer token for authentication

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Return Value

Returns a Promise that resolves to a transaction hash string.

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Example Implementation

import { ChipiBrowserSDK } from "@chipi-stack/backend";

const browserClient = new ChipiBrowserSDK({
  apiPublicKey: process.env.VITE_CHIPI_PUBLIC_KEY, // or your framework's env var
});

async function transferTokens(
  senderWallet: { publicKey: string; encryptedPrivateKey: string },
  recipientAddress: string,
  amount: string,
  userPin: string
) {
  try {
    const bearerToken = await getBearerToken(); // Your auth implementation
    
    const transferResult = await browserClient.transfer({
      params: {
        encryptKey: userPin,
        wallet: senderWallet,
        amount: amount,
        token: "USDC",
        recipient: recipientAddress,
      },
      bearerToken: bearerToken,
    });

    console.log('Transfer completed successfully!');
    console.log('Transaction hash:', transferResult);
    
    return transferResult;
  } catch (error) {
    console.error('Transfer failed:', error);
    throw error;
  }
}

// Usage example
async function sendUSDC(userId: string, recipientAddress: string, amount: string, pin: string) {
  // First, get the user's wallet
  const bearerToken = await getBearerToken();
  
  const wallet = await browserClient.getWallet({
    externalUserId: userId,
    bearerToken: bearerToken,
  });

  // Then perform the transfer
  const txHash = await transferTokens(
    wallet,
    recipientAddress,
    amount,
    pin
  );

  console.log(`Sent ${amount} USDC to ${recipientAddress}`);
  console.log(`Transaction: https://starkscan.co/tx/${txHash}`);
  
  return txHash;
}