/*

* java-tron is free software: you can redistribute it and/or modify

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

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

* (at your option) any later version.

*

* java-tron 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 General Public License for more details.

*

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

* along with this program. If not, see <http://www.gnu.org/licenses/>.

*/

package org.tron.core;

import com.google.protobuf.ByteString;

import org.tron.common.utils.ByteArray;

import org.tron.protos.Protocal.TXInput;

public class TXInputUtils {

/**

* new transaction input

*

* @param txID byte[] txID

* @param vout int vout

* @param signature byte[] signature

* @param pubKey byte[] pubKey

* @return {@link TXInput}

*/

public static TXInput newTXInput(byte[] txID, long vout, byte[]

signature, byte[] pubKey) {

return TXInput.newBuilder()

.setTxID(ByteString.copyFrom(txID))

.setVout(vout)

.setSignature(ByteString.copyFrom(signature))

.setPubKey(ByteString.copyFrom(pubKey)).build();

}

/**

* getData print string of the transaction input

*

* @param txi {@link TXInput} txi

* @return String format string of the transaction input

*/

public static String toPrintString(TXInput txi) {

if (txi == null) {

return "";

}

return "\nTXInput {\n" +

"\ttxID=" + ByteArray.toHexString(txi.getTxID().toByteArray()) +

",\n\tvout=" + txi.getVout() +

",\n\tsignature=" + ByteArray.toHexString(txi.getSignature()

.toByteArray()) +

",\n\tpubKey=" + ByteArray.toStr(txi.getPubKey().toByteArray

()) +

"\n}\n";

}

}