/*

* Copyright (c) [2016] [ <ether.camp> ]

* This file is part of the ethereumJ library.

*

* The ethereumJ library is free software: you can redistribute it and/or modify

* it under the terms of the GNU Lesser General Public License as published by

* the Free Software Foundation, either version 3 of the License, or

* (at your option) any later version.

*

* The ethereumJ library is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

* GNU Lesser General Public License for more details.

*

* You should have received a copy of the GNU Lesser General Public License

* along with the ethereumJ library. If not, see <http://www.gnu.org/licenses/>.

*/

package org.tron.core;

import java.util.ArrayList;

import lombok.Getter;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.tron.common.application.Application;

import org.tron.common.crypto.ECKey;

import org.tron.common.utils.ByteArray;

import org.tron.common.utils.Utils;

import org.tron.core.capsule.TransactionCapsule;

import org.tron.core.db.BlockStore;

import org.tron.core.db.UtxoStore;

import org.tron.core.net.message.Message;

import org.tron.core.net.message.TransactionMessage;

import org.tron.core.net.node.Node;

import org.tron.protos.Protocal.TXOutput;

import org.tron.protos.Protocal.Transaction;

public class Wallet {

private static final Logger logger = LoggerFactory.getLogger("Wallet");

private BlockStore db;

private final ECKey ecKey;

@Getter

private UtxoStore utxoStore;

private Application app;

private Node p2pnode;

private UTXOSet utxoSet;

/**

* Creates a new Wallet with a random ECKey.

*/

public Wallet() {

this.ecKey = new ECKey(Utils.getRandom());

}

/**

* constructor.

*/

public Wallet(Application app) {

this.app = app;

this.p2pnode = app.getP2pNode();

this.db = app.getBlockStoreS();

utxoStore = app.getDbManager().getUtxoStore();

this.ecKey = new ECKey(Utils.getRandom());

}

/**

* Creates a Wallet with an existing ECKey.

*/

public Wallet(final ECKey ecKey) {

this.ecKey = ecKey;

logger.info("wallet address: {}", ByteArray.toHexString(this.ecKey.getAddress()));

}

public ECKey getEcKey() {

return ecKey;

}

public byte[] getAddress() {

return ecKey.getAddress();

}

/**

* Get balance by address.

*/

public long getBalance(byte[] address) {

ArrayList<TXOutput> utxos = utxoStore.findUtxo(address);

long balance = 0;

for (TXOutput txOutput : utxos) {

balance += txOutput.getValue();

}

logger.info("balance = {}", balance);

return balance;

}

/**

* Create a transaction.

*/

public Transaction createTransaction(byte[] address, String to, long amount) {

long balance = getBalance(address);

TransactionCapsule transactionCapsule = new TransactionCapsule(address, to, amount, balance,

utxoStore);

return transactionCapsule.getTransaction();

}

/**

* Broadcast a transaction.

*/

public boolean broadcastTransaction(Transaction signaturedTransaction) {

TransactionCapsule trx = new TransactionCapsule(signaturedTransaction);

if (trx.validate()) {

Message message = new TransactionMessage(signaturedTransaction);

p2pnode.broadcast(message);

return true;

}

return false;

}

}