increase_counter_erc20.js

function increaseCounter() {
  var account = web3.eth.accounts[0];
  var currentNumber = contract_instance.getMyNumber().toNumber();
  currentNumber++;
  
  // User dialog goes here
  web3.personal.unlockAccount(account, 'secretpasswrod');
  
  contract_instance.setMyNumber(currentNumber, {from: account, gas: 200000}, function(error, result) {
    if (error) {
      console.error(error);
    } else {
      var txHash = result;
      console.log(txHash);
      callWhenMined(txHash, getCounter());
    }
  });
}