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• ledger-model
• 1.6.3.RELEASE
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• LedgerMetadata.java

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

package com.jd.blockchain.ledger;

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

/**
 * 账本的元数据；
 * 
 * @author huanghaiquan
 *
 */
@DataContract(code = DataCodes.METADATA, name = "LEDGER-METADATA")
public interface LedgerMetadata {

	/**
	 * 账本的初始化种子；
	 *
	 * @return
	 */
	@DataField(order = 1, primitiveType = PrimitiveType.BYTES)
	byte[] getSeed();

	/**
	 * 共识参与方的默克尔树的根；
	 *
	 * @return
	 */
	@DataField(order = 2, primitiveType = PrimitiveType.BYTES)
	HashDigest getParticipantsHash();

	/**
	 * 账本配置的哈希；
	 *
	 * @return
	 */
	@DataField(order = 3, primitiveType = PrimitiveType.BYTES)
	HashDigest getSettingsHash();

}