Batch Request

// Initialize provider
import Fortmatic from 'fortmatic';
import Web3 from 'web3';
​
const fm = new Fortmatic('YOUR_API_KEY');
window.web3 = new Web3(fm.getProvider());
​
const toAddress = '0xb159752065EA68Ef0B22249Df25864E624fec45D';
const sendValue = web3.toWei(1, 'ether'); // Convert 1 ether to wei
​
// Create batch
const batch = web3.createBatch();
​
// Get user account wallet address first
web3.eth.getAccounts((error, accounts) => {
  if (error) throw error;
  
  // Construct ether transaction params
  const txnParams = {
    from: accounts[0],
    to: toAddress,
    value: sendValue
  }
​
  // Add send transaction to batch
  batch.add(web3.eth.sendTransaction.request(txnParams, (error, txnHash) => {
    if (error) throw error;
    console.log(txnHash);
  }));
  
  // Add another send transaction to batch
  batch.add(web3.eth.sendTransaction.request(txnParams, (error, txnHash) => {
    if (error) throw error;
    console.log(txnHash);
  }));
});
​
// Send batch to provider
batch.execute();

// ERC20 Approve
batch.add(tokenContractInstance.approve.request(toAddress, calculatedApproveValue, {from: accounts[0]}, (error, txnHash) => {
  if (error) throw error;
  console.log(txnHash);
}));
​
// Web3 Get Accounts
batch.add(web3.eth.getAccounts.request((error, accounts) => {
  if (error) throw error;
  console.log(accounts);
}));
​
// Web3 Get Balance
batch.add(web3.eth.getBalance.request((err, balance) => {
  if (error) throw error;
  console.log(balance);
}));