index.js

window.addEventListener("load", function() {
    // Checking if Web3 has been injected by the browser (Mist/MetaMask)
    if (typeof web3 !== "undefined") {
      // Use Mist/MetaMask's provider
      window.web3 = new Web3(web3.currentProvider);
    } else {
      makeLog("No MetaMask. MetaMask (on Chrome) is required to use this dApp", true);
    }

    // Default: send user a notification
    web3.eth.getAccounts(function(error, accounts) {
      if (!error) {
        web3.eth.getBalance(accounts[0], function(error, balance) {
          if (!error) {
            balance_readable = balance.toNumber() / 1000000000000000000;
            makeLog(
                "Account: " + accounts[0] + "<br>" +
                "Balance: " + balance_readable + "Ether" + "<br>"
                 + "<br> Click [Deploy!] to deploy smart contract to generate your own token"
                ,false
            );
            can_deploy = true;
            wallet = accounts[0]
          } else {
            makeLog(error, true);
          }
        });
      } else {
        makeLog(error, true);
      }
    });
  });

var can_deploy = false;
var wallet;
function deploySC(){
    if (can_deploy){
        token_name      = $("#token_name").val();
        token_symbol    = $("#token_symbol").val();
        decimals        = parseInt($("#decimals").val());
        initial_amount  = parseInt($("#initial_amount").val());

        abi = '[{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"}],"name":"balances","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"},{"name":"","type":"address"}],"name":"allowed","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"remaining","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"_initialAmount","type":"uint256"},{"name":"_tokenName","type":"string"},{"name":"_decimalUnits","type":"uint8"},{"name":"_tokenSymbol","type":"string"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_from","type":"address"},{"indexed":true,"name":"_to","type":"address"},{"indexed":false,"name":"_value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_owner","type":"address"},{"indexed":true,"name":"_spender","type":"address"},{"indexed":false,"name":"_value","type":"uint256"}],"name":"Approval","type":"event"}]';
        abiDefinition = JSON.parse(abi);
        contractGenerator = web3.eth.contract(abiDefinition);
        byteCode = '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        deployedContract = contractGenerator.new(initial_amount, token_name, decimals, token_symbol, {data: byteCode, from: wallet, gas: 4700000}, function(err, myContract){
            if(!err) {
               // The callback will fire twice!

               if(!myContract.address) {
                   makeLog("<br>contract creation pending... tx : " + myContract.transactionHash.toString(), false);  // The hash of the transaction, which deploys the contract

                   makeLog("...Wait for just about 1 min... Deploy message will come soon", false);

               } else {
                   makeLog("contract DEPLOYED!! address: " + myContract.address.toString(), false); // the contract address
               }
           } else{
               makeLog(err, true);
           }
        });
    } else {
        makeLog("You cannot deploy smart contract..." ,true);
    }
}

var logStr = "";
function makeLog(appendStr, is_error){
    if(is_error){
        console.error(appendStr);
        appendStr = "[Error] " + appendStr;
    } else {
        console.log(appendStr);
    }
    logStr = logStr + appendStr + "<br>";
    $("#status").html(logStr);
}