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com.jd.blockchain.ledger.Transaction Maven / Gradle / Ivy

package com.jd.blockchain.ledger;

import com.jd.blockchain.binaryproto.DataContract;
import com.jd.blockchain.binaryproto.DataField;
import com.jd.blockchain.binaryproto.PrimitiveType;
import com.jd.blockchain.consts.DataCodes;
import com.jd.blockchain.crypto.HashDigest;

/**
 * Transaction 区块链交易,是被原子执行的操作集合;
 * 
 * @author huanghaiquan
 *
 */
@DataContract(code = DataCodes.TX)
public interface Transaction extends NodeRequest, HashObject {

	/**
	 * 交易 Hash;
	 * 
	 * 这是包含交易内容、签名列表、交易结果的完整性 hash;
	 * 
	 * @return
	 */
	@DataField(order = 1, primitiveType = PrimitiveType.BYTES)
	@Override
	HashDigest getHash();

	/**
	 * 交易被包含的区块高度;
	 * 
	 * @return
	 */
	@DataField(order = 2, primitiveType = PrimitiveType.INT64)
	long getBlockHeight();

	/**
	 * 交易的执行结果;
	 * 
	 * 值为枚举值 {@link TransactionState#CODE} 之一;
	 * 
	 * @return
	 */
	@DataField(order = 3, refEnum = true)
	TransactionState getExecutionState();

	/**
	 * 交易的返回结果
	 *
	 * @return
	 */
	@DataField(order=4, list = true, refContract=true)
	OperationResult[] getOperationResults();
}




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