Wormhole: Blockchain interoperability protocol reference implementation

import { getSignedVAAWithRetry } from '@certusone/wormhole-sdk';
import { NodeHttpTransport } from '@improbable-eng/grpc-web-node-http-transport';
import { transferFromEth, parseSequenceFromLogEth } from '@certusone/wormhole-sdk/lib/cjs/token_bridge';
import { ethers } from 'ethers';

async function sendTokenTransfer() {
  const provider = new ethers.providers.JsonRpcProvider('https://rpc.ankr.com/eth');
  const wallet = new ethers.Wallet(process.env.PRIVATE_KEY!, provider);
  
  const tokenBridgeAddress = '0x3ee18B2214AFF97000D974cf647E7C347E8fa585';
  const tokenAddress = '0xA0b86a33E6417c8f2b8B2B8b2B8b2B8b2B8b2B8b';
  const amount = ethers.utils.parseUnits('100', 18);
  const targetChain = 2; // Ethereum = 2, Solana = 1
  const recipientAddress = '0x742d35Cc6634C0532925a3b8D4C9db1C4165f0e';
  
  // Send the transfer transaction
  const receipt = await transferFromEth(
    tokenBridgeAddress,
    wallet,
    tokenAddress,
    amount,
    targetChain,
    recipientAddress
  );
  
  // Parse sequence from transaction logs
  const sequence = parseSequenceFromLogEth(receipt, '0x98f3c9e6E3fAce36bAAd05FE09d375Ef1464288B');
  const emitterAddress = '0x3ee18B2214AFF97000D974cf647E7C347E8fa585';
  
  console.log(`Transfer initiated with sequence: ${sequence}`);
  return { receipt, sequence };
}