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Hedera™ Hashgraph SDK for Java
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// Generated by the protocol buffer compiler.  DO NOT EDIT!
// source: block_stream_info.proto

// Protobuf Java Version: 3.25.3
package com.hedera.hashgraph.sdk.proto;

public interface BlockStreamInfoOrBuilder extends
    // @@protoc_insertion_point(interface_extends:com.hedera.hapi.node.state.blockstream.BlockStreamInfo)
    com.google.protobuf.MessageOrBuilder {

  /**
   *    **
   * A block number.<br/>
   * This is the current block number.
   * 
   *
   * uint64 block_number = 1;
   * @return The blockNumber.
   */
  long getBlockNumber();

  /**
   *    **
   * A consensus time for the current block.<br/>
   * This is the _first_ consensus time in the current block, and
   * is used to determine if this block was the first across an
   * important boundary in consensus time, such as UTC midnight.
   * This may also be used to purge entities expiring between the last
   * block time and this time.
   * 
   *
   * .proto.Timestamp block_time = 2;
   * @return Whether the blockTime field is set.
   */
  boolean hasBlockTime();
  /**
   *    **
   * A consensus time for the current block.<br/>
   * This is the _first_ consensus time in the current block, and
   * is used to determine if this block was the first across an
   * important boundary in consensus time, such as UTC midnight.
   * This may also be used to purge entities expiring between the last
   * block time and this time.
   * 
   *
   * .proto.Timestamp block_time = 2;
   * @return The blockTime.
   */
  com.hedera.hashgraph.sdk.proto.Timestamp getBlockTime();
  /**
   *    **
   * A consensus time for the current block.<br/>
   * This is the _first_ consensus time in the current block, and
   * is used to determine if this block was the first across an
   * important boundary in consensus time, such as UTC midnight.
   * This may also be used to purge entities expiring between the last
   * block time and this time.
   * 
   *
   * .proto.Timestamp block_time = 2;
   */
  com.hedera.hashgraph.sdk.proto.TimestampOrBuilder getBlockTimeOrBuilder();

  /**
   *    **
   * A concatenation of hash values.<br/>
   * This combines several trailing output block item hashes and
   * is used as a seed value for a pseudo-random number generator.<br/>
   * This is also requiried to implement the EVM `PREVRANDAO` opcode.
   * 
   *
   * bytes trailing_output_hashes = 3;
   * @return The trailingOutputHashes.
   */
  com.google.protobuf.ByteString getTrailingOutputHashes();

  /**
   *    **
   * A concatenation of hash values.<br/>
   * This field combines up to 256 trailing block hashes.
   * <p>
   * If this message is for block number N, then the earliest available
   * hash SHALL be for block number N-256.<br/>
   * The latest available hash SHALL be for block N-1.<br/>
   * This is REQUIRED to implement the EVM `BLOCKHASH` opcode.
   * 
   *
   * bytes trailing_block_hashes = 4;
   * @return The trailingBlockHashes.
   */
  com.google.protobuf.ByteString getTrailingBlockHashes();
}