package com.yourcompany.web3.apps;

// Super important: Our app uses the generated Java from solc!
import com.yourcompany.web3.generated.TheContract;

import java.math.BigInteger;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import org.web3j.crypto.Credentials;
import org.web3j.crypto.WalletUtils;
import org.web3j.protocol.Web3j;
import org.web3j.protocol.http.HttpService;

import org.web3j.tx.Contract;  // for GAS_LIMIT constant
import org.web3j.tx.ManagedTransaction; // GAS_PRICE constant


public class deploy1 {

    private static final Logger log = LoggerFactory.getLogger(deploy1.class);

    public static void main(String[] args) throws Exception {
        new deploy1().run();
    }

    private void run() {

    try {
        // This is the geth dev server you are running.  Note: NOT https!
        String MY_CONN_URL = "http://127.0.0.1:8545";

        // This is the developer wallet autocreated and funded by the --dev option.
        // There should be only one file in the keystore directory; use that one.
        // The actual name will be different than this.  Again, the point of using
        // --datadir with the --dev option is that this resource will be created 
        // just once and you don't have to keep finding a new wallet file and 
        // change the program:
        String MY_WALLET_FILE = "yourhome/eth/dev/data/keystore/UTC--2020-08-30T15-35-42.179527700Z--ad2a9bde6c3fe0149c29db01ed40966b1b06f3d0";
        String MY_WALLET_PWD  = ""; // IMPORTANT! The password for the geth --dev developer account wallet is BLANK!

	System.out.println("Connecting to " + MY_CONN_URL);
        Web3j web3j = Web3j.build(new HttpService(MY_CONN_URL));

	System.out.println("Loading credentials...");
        Credentials credentials =
            WalletUtils.loadCredentials(MY_WALLET_PWD, MY_WALLET_FILE);

	System.out.println("Deploying smart contract; be patient...");

        TheContract contract = TheContract.deploy(
            // These first 4 args are always the same types:
            web3j, credentials, ManagedTransaction.GAS_PRICE, Contract.GAS_LIMIT,

            // The next are the required args for the constructor() of the smart contract!
            // OR no additional args if the constructor has no args.
            "CPTY1".getBytes(),  // notice: we pass byte[], not String
            new BigInteger("1000")  // ... and ALL uint types go in (and out) as BigInteger
        ).send();

        String contractAddress = contract.getContractAddress();
        System.out.println("Contract address: " + contractAddress);


        web3j.shutdown();

        } catch(Exception e) {
            System.out.println("exception: " + e);
        }
    }
}