clean up the ProcessableBlockHeader (hyperledger#6117)

* clean up

Signed-off-by: stefan.pingel@consensys.net <stefan.pingel@consensys.net>

ethereum/blockcreation/src/main/java/org/hyperledger/besu/ethereum/blockcreation/AbstractBlockCreator.java

@@ -172,10 +172,6 @@ protected BlockCreationResult createBlock(
               timestamp, maybePrevRandao, maybeParentBeaconBlockRoot, newProtocolSpec);
       final Address miningBeneficiary =
           miningBeneficiaryCalculator.getMiningBeneficiary(processableBlockHeader.getNumber());
-      Wei blobGasPrice =
-          newProtocolSpec
-              .getFeeMarket()
-              .blobGasPricePerGas(calculateExcessBlobGasForParent(newProtocolSpec, parentHeader));
 
       throwIfStopped();
 
@@ -193,7 +189,6 @@ protected BlockCreationResult createBlock(
               disposableWorldState,
               maybeTransactions,
               miningBeneficiary,
-              blobGasPrice,
               newProtocolSpec);
 
       transactionResults.logSelectionStats();
@@ -321,14 +316,18 @@ private TransactionSelectionResults selectTransactions(
       final MutableWorldState disposableWorldState,
       final Optional<List<Transaction>> transactions,
       final Address miningBeneficiary,
-      final Wei blobGasPrice,
       final ProtocolSpec protocolSpec)
       throws RuntimeException {
     final MainnetTransactionProcessor transactionProcessor = protocolSpec.getTransactionProcessor();
 
     final AbstractBlockProcessor.TransactionReceiptFactory transactionReceiptFactory =
         protocolSpec.getTransactionReceiptFactory();
 
+    Wei blobGasPrice =
+        protocolSpec
+            .getFeeMarket()
+            .blobGasPricePerGas(calculateExcessBlobGasForParent(protocolSpec, parentHeader));
+
     final BlockTransactionSelector selector =
         new BlockTransactionSelector(
             miningParameters,

ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/BlockHeader.java

@@ -169,9 +169,9 @@ public void writeTo(final RLPOutput out) {
     if (withdrawalsRoot != null) {
       out.writeBytes(withdrawalsRoot);
     }
-    if (excessBlobGas.isPresent() && blobGasUsed.isPresent()) {
-      out.writeLongScalar(blobGasUsed.get());
-      out.writeUInt64Scalar(excessBlobGas.get());
+    if (excessBlobGas != null && blobGasUsed != null) {
+      out.writeLongScalar(blobGasUsed);
+      out.writeUInt64Scalar(excessBlobGas);
     }
     if (parentBeaconBlockRoot != null) {
       out.writeBytes(parentBeaconBlockRoot);
@@ -278,8 +278,10 @@ public String toString() {
     if (withdrawalsRoot != null) {
       sb.append("withdrawalsRoot=").append(withdrawalsRoot).append(", ");
     }
-    blobGasUsed.ifPresent(aLong -> sb.append("blobGasUsed=").append(aLong).append(", "));
-    excessBlobGas.ifPresent(blobGas -> sb.append("excessBlobGas=").append(blobGas).append(", "));
+    if (blobGasUsed != null && excessBlobGas != null) {
+      sb.append("blobGasUsed=").append(blobGasUsed).append(", ");
+      sb.append("excessBlobGas=").append(excessBlobGas).append(", ");
+    }
     if (parentBeaconBlockRoot != null) {
       sb.append("parentBeaconBlockRoot=").append(parentBeaconBlockRoot).append(", ");
     }

ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/BlockHeaderBuilder.java

@@ -194,8 +194,6 @@ public ProcessableBlockHeader buildProcessableBlockHeader() {
         timestamp,
         baseFee,
         mixHashOrPrevRandao,
-        blobGasUsed,
-        excessBlobGas,
         parentBeaconBlockRoot);
   }
 
@@ -261,8 +259,6 @@ public BlockHeaderBuilder populateFrom(final ProcessableBlockHeader processableB
     timestamp(processableBlockHeader.getTimestamp());
     baseFee(processableBlockHeader.getBaseFee().orElse(null));
     processableBlockHeader.getPrevRandao().ifPresent(this::prevRandao);
-    processableBlockHeader.getBlobGasUsed().ifPresent(this::blobGasUsed);
-    processableBlockHeader.getExcessBlobGas().ifPresent(this::excessBlobGas);
     processableBlockHeader.getParentBeaconBlockRoot().ifPresent(this::parentBeaconBlockRoot);
     return this;
   }

ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/ProcessableBlockHeader.java

@@ -15,7 +15,6 @@
 package org.hyperledger.besu.ethereum.core;
 
 import org.hyperledger.besu.datatypes.Address;
-import org.hyperledger.besu.datatypes.BlobGas;
 import org.hyperledger.besu.datatypes.Hash;
 import org.hyperledger.besu.datatypes.Wei;
 import org.hyperledger.besu.evm.frame.BlockValues;
@@ -26,7 +25,8 @@
 import org.apache.tuweni.bytes.Bytes32;
 
 /** A block header capable of being processed. */
-public class ProcessableBlockHeader implements BlockValues {
+public class ProcessableBlockHeader
+    implements BlockValues, org.hyperledger.besu.plugin.data.ProcessableBlockHeader {
 
   protected final Hash parentHash;
 
@@ -44,10 +44,6 @@ public class ProcessableBlockHeader implements BlockValues {
   protected final Wei baseFee;
   // prevRandao is included for post-merge blocks
   protected final Bytes32 mixHashOrPrevRandao;
-  // blobGasUsed is included for Cancun
-  protected final Optional<Long> blobGasUsed;
-  // excessBlogGas is included for Cancun
-  protected final Optional<BlobGas> excessBlobGas;
   // parentBeaconBlockRoot is included for Cancun
   protected final Bytes32 parentBeaconBlockRoot;
 
@@ -60,8 +56,6 @@ protected ProcessableBlockHeader(
       final long timestamp,
       final Wei baseFee,
       final Bytes32 mixHashOrPrevRandao,
-      final Long blobGasUsed,
-      final BlobGas excessBlobGas,
       final Bytes32 parentBeaconBlockRoot) {
     this.parentHash = parentHash;
     this.coinbase = coinbase;
@@ -71,8 +65,6 @@ protected ProcessableBlockHeader(
     this.timestamp = timestamp;
     this.baseFee = baseFee;
     this.mixHashOrPrevRandao = mixHashOrPrevRandao;
-    this.blobGasUsed = Optional.ofNullable(blobGasUsed);
-    this.excessBlobGas = Optional.ofNullable(excessBlobGas);
     this.parentBeaconBlockRoot = parentBeaconBlockRoot;
   }
 
@@ -81,6 +73,7 @@ protected ProcessableBlockHeader(
    *
    * @return the block parent block hash
    */
+  @Override
   public Hash getParentHash() {
     return parentHash;
   }
@@ -90,6 +83,7 @@ public Hash getParentHash() {
    *
    * @return the block coinbase address
    */
+  @Override
   public Address getCoinbase() {
     return coinbase;
   }
@@ -99,6 +93,7 @@ public Address getCoinbase() {
    *
    * @return the block difficulty
    */
+  @Override
   public Difficulty getDifficulty() {
     return difficulty;
   }
@@ -168,18 +163,17 @@ public Bytes32 getMixHashOrPrevRandao() {
    *
    * @return the raw bytes of the prevRandao field
    */
+  @Override
   public Optional<Bytes32> getPrevRandao() {
     return Optional.ofNullable(mixHashOrPrevRandao);
   }
 
-  public Optional<BlobGas> getExcessBlobGas() {
-    return excessBlobGas;
-  }
-
-  public Optional<Long> getBlobGasUsed() {
-    return blobGasUsed;
-  }
-
+  /**
+   * Returns the parent beacon block root.
+   *
+   * @return the parent beacon block root.
+   */
+  @Override
   public Optional<Bytes32> getParentBeaconBlockRoot() {
     return Optional.ofNullable(parentBeaconBlockRoot);
   }

ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/SealableBlockHeader.java

@@ -45,6 +45,10 @@ public class SealableBlockHeader extends ProcessableBlockHeader {
 
   protected final Hash depositsRoot;
 
+  protected final Long blobGasUsed;
+
+  protected final BlobGas excessBlobGas;
+
   protected SealableBlockHeader(
       final Hash parentHash,
       final Hash ommersHash,
@@ -75,8 +79,6 @@ protected SealableBlockHeader(
         timestamp,
         baseFee,
         mixHashOrPrevRandao,
-        blobGasUsed,
-        excessBlobGas,
         parentBeaconBlockRoot);
     this.ommersHash = ommersHash;
     this.stateRoot = stateRoot;
@@ -87,6 +89,8 @@ protected SealableBlockHeader(
     this.logsBloom = logsBloom;
     this.gasUsed = gasUsed;
     this.extraData = extraData;
+    this.blobGasUsed = blobGasUsed;
+    this.excessBlobGas = excessBlobGas;
   }
 
   /**
@@ -169,4 +173,22 @@ public Optional<Hash> getWithdrawalsRoot() {
   public Optional<Hash> getDepositsRoot() {
     return Optional.ofNullable(depositsRoot);
   }
+
+  /**
+   * Returns the blob gas used if available.
+   *
+   * @return the blob gas used if available.
+   */
+  public Optional<Long> getBlobGasUsed() {
+    return Optional.ofNullable(blobGasUsed);
+  }
+
+  /**
+   * Returns the excess blob gas used if available.
+   *
+   * @return the excess blob gas used if available.
+   */
+  public Optional<BlobGas> getExcessBlobGas() {
+    return Optional.ofNullable(excessBlobGas);
+  }
 }

ethereum/referencetests/src/main/java/org/hyperledger/besu/ethereum/referencetests/ReferenceTestEnv.java

@@ -227,7 +227,7 @@ public BlockHeader updateFromParentValues(final ProtocolSpec protocolSpec) {
                           .buildBlockHeader(),
                       null)));
     }
-    if (excessBlobGas.isEmpty() && parentExcessBlobGas != null && parentBlobGasUsed != null) {
+    if (parentExcessBlobGas != null && parentBlobGasUsed != null) {
       builder.excessBlobGas(
           BlobGas.of(
               protocolSpec

plugin-api/build.gradle

@@ -69,7 +69,7 @@ Calculated : ${currentHash}
 tasks.register('checkAPIChanges', FileStateChecker) {
   description = "Checks that the API for the Plugin-API project does not change without deliberate thought"
   files = sourceSets.main.allJava.files
-  knownHash = 'kyCYfllc1IcisRZIYuLxhC+0+POCzcMQPhE8F8mx1Ns='
+  knownHash = 'YYrWGQIwp1sgEmwx2DcfjiskFO8euGGKeWh7Lq1F+24='
 }
 check.dependsOn('checkAPIChanges')
 

plugin-api/src/main/java/org/hyperledger/besu/plugin/data/BlockHeader.java

@@ -14,28 +14,19 @@
  */
 package org.hyperledger.besu.plugin.data;
 
-import org.hyperledger.besu.datatypes.Address;
 import org.hyperledger.besu.datatypes.Hash;
 import org.hyperledger.besu.datatypes.Quantity;
 import org.hyperledger.besu.plugin.Unstable;
 
 import java.util.Optional;
 
 import org.apache.tuweni.bytes.Bytes;
-import org.apache.tuweni.bytes.Bytes32;
 
 /**
  * The minimum set of data for a BlockHeader, as defined in the <a href=
  * "https://ethereum.github.io/yellowpaper/paper.pdf">Ethereum Yellow Paper</a>.
  */
-public interface BlockHeader {
-
-  /**
-   * The Keccak 256-bit hash of the parent block’s header, in its entirety.
-   *
-   * @return The Keccak 256-bit hash of the parent block’s header, in its entirety.
-   */
-  Hash getParentHash();
+public interface BlockHeader extends ProcessableBlockHeader {
 
   /**
    * The Keccak 256-bit hash of the ommers list portion of this block.
@@ -44,17 +35,6 @@ public interface BlockHeader {
    */
   Hash getOmmersHash();
 
-  /**
-   * The 160-bit address to which all fees collected from the successful mining of this block be
-   * transferred.
-   *
-   * <p>The name in the yellow paper is beneficiary.
-   *
-   * @return The 160-bit address to which all fees collected from the successful mining of this
-   *     block be transferred.
-   */
-  Address getCoinbase();
-
   /**
    * The Keccak 256-bit hash of the root node of the state trie, after all transactions are executed
    * and finalizations applied.
@@ -91,45 +71,13 @@ public interface BlockHeader {
    */
   Bytes getLogsBloom();
 
-  /**
-   * A scalar value corresponding to the difficulty level of this block. This can be calculated from
-   * the previous block’s difficulty level and the timestamp.
-   *
-   * @return A UInt256 value corresponding to the difficulty level of this block. This can be
-   *     calculated from the previous block’s difficulty level and the timestamp.
-   */
-  Quantity getDifficulty();
-
-  /**
-   * A scalar value equal to the number of ancestor blocks. The genesis block has a number of zero.
-   *
-   * @return A scalar value equal to the number of ancestor blocks. The genesis block has a number
-   *     of zero.
-   */
-  long getNumber();
-
-  /**
-   * A scalar value equal to the current limit of gas expenditure per block.
-   *
-   * @return A scalar value equal to the current limit of gas expenditure per block.
-   */
-  long getGasLimit();
-
   /**
    * A scalar value equal to the total gas used in transactions in this block.
    *
    * @return A scalar value equal to the total gas used in transactions in this block.
    */
   long getGasUsed();
 
-  /**
-   * A scalar value equal to the reasonable output of Unix’s time() at this block’s inception.
-   *
-   * @return A scalar value equal to the reasonable output of Unix’s time() at this block’s
-   *     inception.
-   */
-  long getTimestamp();
-
   /**
    * An arbitrary byte array containing data relevant to this block. This must be 32 bytes or fewer.
    *
@@ -163,25 +111,6 @@ public interface BlockHeader {
    */
   Hash getBlockHash();
 
-  /**
-   * The BASEFEE of this header.
-   *
-   * @return The BASEFEE of this header.
-   */
-  @Unstable
-  default Optional<? extends Quantity> getBaseFee() {
-    return Optional.empty();
-  }
-
-  /**
-   * Optional 32 bytes of prevRandao data.
-   *
-   * @return Optional prevRandao bytes from this header.
-   */
-  default Optional<Bytes32> getPrevRandao() {
-    return Optional.empty();
-  }
-
   /**
    * 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.
@@ -216,12 +145,4 @@ default Optional<Bytes32> getPrevRandao() {
    */
   @Unstable
   Optional<? extends Long> getBlobGasUsed();
-
-  /**
-   * The parent beacon block root of this header.
-   *
-   * @return The parent_beacon_block_root of this header.
-   */
-  @Unstable
-  Optional<? extends Bytes32> getParentBeaconBlockRoot();
 }