Interface BlockHeader

All Superinterfaces:
ProcessableBlockHeader
public interface BlockHeader extends ProcessableBlockHeader
The minimum set of data for a BlockHeader, as defined in the Ethereum Yellow Paper.

  • Method Summary

    Modifier and Type
    Method
    Description
    Optional<? extends org.hyperledger.besu.datatypes.Hash>
    getBalHash()
    The balHash of this header.
    Optional<? extends Long>
    getBlobGasUsed()
    The blob_gas_used of this header.
    org.hyperledger.besu.datatypes.Hash
    getBlockHash()
    The Keccak 256-bit hash of this header.
    Optional<? extends org.hyperledger.besu.datatypes.Quantity>
    getExcessBlobGas()
    The excess_blob_gas of this header.
    org.apache.tuweni.bytes.Bytes
    getExtraData()
    An arbitrary byte array containing data relevant to this block.
    long
    getGasUsed()
    A scalar value equal to the total gas used in transactions in this block.
    org.hyperledger.besu.datatypes.LogsBloomFilter
    getLogsBloom()
    The Bloom filter composed from indexable information (logger address and log topics) contained in each log entry from the receipt of each transaction in the transactions list.
    org.hyperledger.besu.datatypes.Hash
    getMixHash()
    A 256-bit hash which, combined with the nonce, proves that a sufficient amount of computation has been carried out on this block.
    long
    getNonce()
    A 64-bit value which, combined with the mixhash, proves that a sufficient amount of computation has been carried out on this block.
    org.hyperledger.besu.datatypes.Hash
    getOmmersHash()
    The Keccak 256-bit hash of the ommers list portion of this block.
    org.hyperledger.besu.datatypes.Hash
    getReceiptsRoot()
    The Keccak 256-bit hash of the root node of the trie structure populated with the receipts of each transaction in the transactions list portion of the block.
    Optional<? extends org.hyperledger.besu.datatypes.Hash>
    getRequestsHash()
    The Keccak 256-bit hash of the root node of the trie structure populated with each request in the request list portion of the block.
    org.hyperledger.besu.datatypes.Hash
    getStateRoot()
    The Keccak 256-bit hash of the root node of the state trie, after all transactions are executed and finalizations applied.
    org.hyperledger.besu.datatypes.Hash
    getTransactionsRoot()
    The Keccak 256-bit hash of the root node of the trie structure populated with each transaction in the transactions list portion of the block.
    Optional<? extends org.hyperledger.besu.datatypes.Hash>
    getWithdrawalsRoot()
    The Keccak 256-bit hash of the root node of the trie structure populated with each withdrawal in the withdrawals list portion of the block.
    default String
    toLogString()
    Returns a human-readable string for logging.

    Methods inherited from interface ProcessableBlockHeader

    getBaseFee, getCoinbase, getDifficulty, getGasLimit, getNumber, getOptionalSlotNumber, getParentBeaconBlockRoot, getParentHash, getPrevRandao, getTimestamp

  • Method Details

    • getOmmersHash

      org.hyperledger.besu.datatypes.Hash getOmmersHash()
      The Keccak 256-bit hash of the ommers list portion of this block.
      Returns:
      The Keccak 256-bit hash of the ommers list portion of this block.

    • getStateRoot

      org.hyperledger.besu.datatypes.Hash getStateRoot()
      The Keccak 256-bit hash of the root node of the state trie, after all transactions are executed and finalizations applied.
      Returns:
      The Keccak 256-bit hash of the root node of the state trie, after all transactions are executed and finalizations applied.

    • getTransactionsRoot

      org.hyperledger.besu.datatypes.Hash getTransactionsRoot()
      The Keccak 256-bit hash of the root node of the trie structure populated with each transaction in the transactions list portion of the block.
      Returns:
      The Keccak 256-bit hash of the root node of the trie structure populated with each transaction in the transactions list portion of the block.

    • getReceiptsRoot

      org.hyperledger.besu.datatypes.Hash getReceiptsRoot()
      The Keccak 256-bit hash of the root node of the trie structure populated with the receipts of each transaction in the transactions list portion of the block.
      Returns:
      The Keccak 256-bit hash of the root node of the trie structure populated with the receipts of each transaction in the transactions list portion of the block.

    • getLogsBloom

      org.hyperledger.besu.datatypes.LogsBloomFilter getLogsBloom()
      The Bloom filter composed from indexable information (logger address and log topics) contained in each log entry from the receipt of each transaction in the transactions list.
      Returns:
      The Bloom filter composed from indexable information (logger address and log topics) contained in each log entry from the receipt of each transaction in the transactions list.

    • getGasUsed

      long getGasUsed()
      A scalar value equal to the total gas used in transactions in this block.
      Returns:
      A scalar value equal to the total gas used in transactions in this block.

    • getExtraData

      org.apache.tuweni.bytes.Bytes getExtraData()
      An arbitrary byte array containing data relevant to this block. This must be 32 bytes or fewer.
      Returns:
      An arbitrary byte array containing data relevant to this block. This must be 32 bytes or fewer.

    • getMixHash

      org.hyperledger.besu.datatypes.Hash getMixHash()
      A 256-bit hash which, combined with the nonce, proves that a sufficient amount of computation has been carried out on this block.
      Returns:
      A 256-bit hash which, combined with the nonce, proves that a sufficient amount of computation has been carried out on this block.

    • getNonce

      long getNonce()
      A 64-bit value which, combined with the mixhash, proves that a sufficient amount of computation has been carried out on this block.
      Returns:
      A 64-bit value which, combined with the mixhash, proves that a sufficient amount of computation has been carried out on this block.

    • getBlockHash

      org.hyperledger.besu.datatypes.Hash getBlockHash()
      The Keccak 256-bit hash of this header.
      Returns:
      The Keccak 256-bit hash of this header.

    • getWithdrawalsRoot

      Optional<? extends org.hyperledger.besu.datatypes.Hash> getWithdrawalsRoot()
      The Keccak 256-bit hash of the root node of the trie structure populated with each withdrawal in the withdrawals list portion of the block.
      Returns:
      The Keccak 256-bit hash of the root node of the trie structure populated with each withdrawal in the withdrawal list portion of the block.

    • getRequestsHash

      Optional<? extends org.hyperledger.besu.datatypes.Hash> getRequestsHash()
      The Keccak 256-bit hash of the root node of the trie structure populated with each request in the request list portion of the block.
      Returns:
      The Keccak 256-bit hash of the root node of the trie structure populated with each request in the request list portion of the block.

    • getBalHash

      Optional<? extends org.hyperledger.besu.datatypes.Hash> getBalHash()
      The balHash of this header.
      Returns:
      The balHash of this header.

    • getExcessBlobGas

      Optional<? extends org.hyperledger.besu.datatypes.Quantity> getExcessBlobGas()
      The excess_blob_gas of this header.
      Returns:
      The excess_blob_gas of this header.

    • getBlobGasUsed

      Optional<? extends Long> getBlobGasUsed()
      The blob_gas_used of this header.
      Returns:
      The blob_gas_used of this header.

    • toLogString

      default String toLogString()
      Returns a human-readable string for logging.
      Returns:
      the log string.