besu-eth · fab-10 · Oct 2, 2023 · Sep 28, 2023
diff --git a/datatypes/src/main/java/org/hyperledger/besu/datatypes/PendingTransaction.java b/datatypes/src/main/java/org/hyperledger/besu/datatypes/PendingTransaction.java
@@ -0,0 +1,39 @@
+/*
+ * Copyright Hyperledger Besu Contributors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+package org.hyperledger.besu.datatypes;
+
+/** Represent a transaction that has not confirmed yet, and stays in the transaction pool */
+public interface PendingTransaction {
+  /**
+   * Get the underlying transaction
+   *
+   * @return the underlying transaction
+   */
+  Transaction getTransaction();
+
+  /**
+   * Has this transaction been received from the RPC API?
+   *
+   * @return true if it is a local sent transaction
+   */
+  boolean isReceivedFromLocalSource();
+
+  /**
+   * Timestamp in millisecond when this transaction has been added to the pool
+   *
+   * @return timestamp
+   */
+  long getAddedAt();
+}
diff --git a/...ava/org/hyperledger/besu/ethereum/blockcreation/txselection/BlockTransactionSelector.java b/...ava/org/hyperledger/besu/ethereum/blockcreation/txselection/BlockTransactionSelector.java
@@ -27,6 +27,7 @@
 import org.hyperledger.besu.ethereum.core.ProcessableBlockHeader;
 import org.hyperledger.besu.ethereum.core.Transaction;
 import org.hyperledger.besu.ethereum.core.TransactionReceipt;
+import org.hyperledger.besu.ethereum.eth.transactions.PendingTransaction;
 import org.hyperledger.besu.ethereum.eth.transactions.TransactionPool;
 import org.hyperledger.besu.ethereum.mainnet.AbstractBlockProcessor;
 import org.hyperledger.besu.ethereum.mainnet.MainnetTransactionProcessor;
@@ -142,7 +143,8 @@ public TransactionSelectionResults buildTransactionListForBlock() {
             pendingTransaction -> {
               final var res = evaluateTransaction(pendingTransaction);
               if (!res.selected()) {
-                transactionSelectionResults.updateNotSelected(pendingTransaction, res);
+                transactionSelectionResults.updateNotSelected(
+                    pendingTransaction.getTransaction(), res);
               }
               return res;
             });
@@ -165,7 +167,7 @@ public TransactionSelectionResults buildTransactionListForBlock() {
   public TransactionSelectionResults evaluateTransactions(final List<Transaction> transactions) {
     transactions.forEach(
         transaction -> {
-          final var res = evaluateTransaction(transaction);
+          final var res = evaluateTransaction(new PendingTransaction.Local(transaction));
           if (!res.selected()) {
             transactionSelectionResults.updateNotSelected(transaction, res);
           }
@@ -182,12 +184,16 @@ public TransactionSelectionResults evaluateTransactions(final List<Transaction>
    * the space remaining in the block.
    *
    */
-  private TransactionSelectionResult evaluateTransaction(final Transaction transaction) {
+  private TransactionSelectionResult evaluateTransaction(
+      final PendingTransaction pendingTransaction) {
     if (isCancelled.get()) {
       throw new CancellationException("Cancelled during transaction selection.");
     }
 
-    TransactionSelectionResult selectionResult = evaluateTransactionPreProcessing(transaction);
+    final Transaction transaction = pendingTransaction.getTransaction();
+
+    TransactionSelectionResult selectionResult =
+        evaluateTransactionPreProcessing(pendingTransaction);
     if (!selectionResult.selected()) {
       return selectionResult;
     }
@@ -209,7 +215,7 @@ private TransactionSelectionResult evaluateTransaction(final Transaction transac
             blockSelectionContext.blobGasPrice());
 
     var transactionWithProcessingContextResult =
-        evaluateTransactionPostProcessing(transaction, effectiveResult);
+        evaluateTransactionPostProcessing(pendingTransaction, effectiveResult);
     if (!transactionWithProcessingContextResult.selected()) {
       return transactionWithProcessingContextResult;
     }
@@ -243,16 +249,17 @@ private TransactionSelectionResult evaluateTransaction(final Transaction transac
    * it then processes it through external selectors. If the transaction is selected by all
    * selectors, it returns SELECTED.
    *
-   * @param transaction The transaction to be evaluated.
+   * @param pendingTransaction The transaction to be evaluated.
    * @return The result of the transaction selection process.
    */
   private TransactionSelectionResult evaluateTransactionPreProcessing(
-      final Transaction transaction) {
+      final PendingTransaction pendingTransaction) {
 
     // Process the transaction through internal selectors
     for (var selector : transactionSelectors) {
       TransactionSelectionResult result =
-          selector.evaluateTransactionPreProcessing(transaction, transactionSelectionResults);
+          selector.evaluateTransactionPreProcessing(
+              pendingTransaction, transactionSelectionResults);
       // If the transaction is not selected by any internal selector, return the result
       if (!result.equals(TransactionSelectionResult.SELECTED)) {
         return result;
@@ -261,7 +268,8 @@ private TransactionSelectionResult evaluateTransactionPreProcessing(
 
     // Process the transaction through external selectors
     for (var selector : externalTransactionSelectors) {
-      TransactionSelectionResult result = selector.evaluateTransactionPreProcessing(transaction);
+      TransactionSelectionResult result =
+          selector.evaluateTransactionPreProcessing(pendingTransaction);
       // If the transaction is not selected by any external selector, return the result
       if (!result.equals(TransactionSelectionResult.SELECTED)) {
         return result;
@@ -277,18 +285,19 @@ private TransactionSelectionResult evaluateTransactionPreProcessing(
    * whether the transaction should be included in a block. If the transaction is selected by all
    * selectors, it returns SELECTED.
    *
-   * @param transaction The transaction to be evaluated.
+   * @param pendingTransaction The transaction to be evaluated.
    * @param processingResult The result of the transaction processing.
    * @return The result of the transaction selection process.
    */
   private TransactionSelectionResult evaluateTransactionPostProcessing(
-      final Transaction transaction, final TransactionProcessingResult processingResult) {
+      final PendingTransaction pendingTransaction,
+      final TransactionProcessingResult processingResult) {
 
     // Process the transaction through internal selectors
     for (var selector : transactionSelectors) {
       TransactionSelectionResult result =
           selector.evaluateTransactionPostProcessing(
-              transaction, transactionSelectionResults, processingResult);
+              pendingTransaction, transactionSelectionResults, processingResult);
       // If the transaction is not selected by any selector, return the result
       if (!result.equals(TransactionSelectionResult.SELECTED)) {
         return result;

diff --git a/...ledger/besu/ethereum/blockcreation/txselection/selectors/AbstractTransactionSelector.java b/...ledger/besu/ethereum/blockcreation/txselection/selectors/AbstractTransactionSelector.java
@@ -16,7 +16,7 @@
 
 import org.hyperledger.besu.ethereum.blockcreation.txselection.BlockSelectionContext;
 import org.hyperledger.besu.ethereum.blockcreation.txselection.TransactionSelectionResults;
-import org.hyperledger.besu.ethereum.core.Transaction;
+import org.hyperledger.besu.ethereum.eth.transactions.PendingTransaction;
 import org.hyperledger.besu.ethereum.processing.TransactionProcessingResult;
 import org.hyperledger.besu.plugin.data.TransactionSelectionResult;
 
@@ -34,24 +34,25 @@ public AbstractTransactionSelector(final BlockSelectionContext context) {
   /**
    * Evaluates a transaction in the context of other transactions in the same block.
    *
-   * @param transaction The transaction to be evaluated within a block.
+   * @param pendingTransaction The transaction to be evaluated within a block.
    * @param blockTransactionResults The results of other transaction evaluations in the same block.
    * @return The result of the transaction evaluation
    */
   public abstract TransactionSelectionResult evaluateTransactionPreProcessing(
-      final Transaction transaction, final TransactionSelectionResults blockTransactionResults);
+      final PendingTransaction pendingTransaction,
+      final TransactionSelectionResults blockTransactionResults);
 
   /**
    * Evaluates a transaction considering other transactions in the same block and a transaction
    * processing result.
    *
-   * @param transaction The transaction to be evaluated.
+   * @param pendingTransaction The transaction to be evaluated.
    * @param blockTransactionResults The results of other transaction evaluations in the same block.
    * @param processingResult The result of transaction processing.
    * @return The result of the transaction evaluation
    */
   public abstract TransactionSelectionResult evaluateTransactionPostProcessing(
-      final Transaction transaction,
+      final PendingTransaction pendingTransaction,
       final TransactionSelectionResults blockTransactionResults,
       final TransactionProcessingResult processingResult);
 }
diff --git a/...edger/besu/ethereum/blockcreation/txselection/selectors/BlobPriceTransactionSelector.java b/...edger/besu/ethereum/blockcreation/txselection/selectors/BlobPriceTransactionSelector.java
@@ -17,6 +17,7 @@
 import org.hyperledger.besu.ethereum.blockcreation.txselection.BlockSelectionContext;
 import org.hyperledger.besu.ethereum.blockcreation.txselection.TransactionSelectionResults;
 import org.hyperledger.besu.ethereum.core.Transaction;
+import org.hyperledger.besu.ethereum.eth.transactions.PendingTransaction;
 import org.hyperledger.besu.ethereum.processing.TransactionProcessingResult;
 import org.hyperledger.besu.plugin.data.TransactionSelectionResult;
 
@@ -38,22 +39,22 @@ public BlobPriceTransactionSelector(final BlockSelectionContext context) {
   /**
    * Evaluates a transaction considering its blob price.
    *
-   * @param transaction The transaction to be evaluated.
+   * @param pendingTransaction The transaction to be evaluated.
    * @param ignored The results of other transaction evaluations in the same block.
    * @return The result of the transaction selection.
    */
   @Override
   public TransactionSelectionResult evaluateTransactionPreProcessing(
-      final Transaction transaction, final TransactionSelectionResults ignored) {
-    if (transactionBlobPriceBelowMin(transaction)) {
+      final PendingTransaction pendingTransaction, final TransactionSelectionResults ignored) {
+    if (transactionBlobPriceBelowMin(pendingTransaction.getTransaction())) {
       return TransactionSelectionResult.BLOB_PRICE_BELOW_CURRENT_MIN;
     }
     return TransactionSelectionResult.SELECTED;
   }
 
   @Override
   public TransactionSelectionResult evaluateTransactionPostProcessing(
-      final Transaction transaction,
+      final PendingTransaction pendingTransaction,
       final TransactionSelectionResults blockTransactionResults,
       final TransactionProcessingResult processingResult) {
     // All necessary checks were done in the pre-processing method, so nothing to do here.

diff --git a/...edger/besu/ethereum/blockcreation/txselection/selectors/BlockSizeTransactionSelector.java b/...edger/besu/ethereum/blockcreation/txselection/selectors/BlockSizeTransactionSelector.java
@@ -17,6 +17,7 @@
 import org.hyperledger.besu.ethereum.blockcreation.txselection.BlockSelectionContext;
 import org.hyperledger.besu.ethereum.blockcreation.txselection.TransactionSelectionResults;
 import org.hyperledger.besu.ethereum.core.Transaction;
+import org.hyperledger.besu.ethereum.eth.transactions.PendingTransaction;
 import org.hyperledger.besu.ethereum.processing.TransactionProcessingResult;
 import org.hyperledger.besu.plugin.data.TransactionSelectionResult;
 
@@ -39,19 +40,20 @@ public BlockSizeTransactionSelector(final BlockSelectionContext context) {
    * Evaluates a transaction considering other transactions in the same block. If the transaction is
    * too large for the block returns a selection result based on block occupancy.
    *
-   * @param transaction The transaction to be evaluated.
+   * @param pendingTransaction The transaction to be evaluated.
    * @param transactionSelectionResults The results of other transaction evaluations in the same
    *     block.
    * @return The result of the transaction selection.
    */
   @Override
   public TransactionSelectionResult evaluateTransactionPreProcessing(
-      final Transaction transaction,
+      final PendingTransaction pendingTransaction,
       final TransactionSelectionResults transactionSelectionResults) {
-    if (transactionTooLargeForBlock(transaction, transactionSelectionResults)) {
+    if (transactionTooLargeForBlock(
+        pendingTransaction.getTransaction(), transactionSelectionResults)) {
       LOG.atTrace()
           .setMessage("Transaction {} too large to select for block creation")
-          .addArgument(transaction::toTraceLog)
+          .addArgument(pendingTransaction::toTraceLog)
           .log();
       if (blockOccupancyAboveThreshold(transactionSelectionResults)) {
         LOG.trace("Block occupancy above threshold, completing operation");
@@ -68,7 +70,7 @@ public TransactionSelectionResult evaluateTransactionPreProcessing(
 
   @Override
   public TransactionSelectionResult evaluateTransactionPostProcessing(
-      final Transaction transaction,
+      final PendingTransaction pendingTransaction,
       final TransactionSelectionResults blockTransactionResults,
       final TransactionProcessingResult processingResult) {
     // All necessary checks were done in the pre-processing method, so nothing to do here.

diff --git a/...perledger/besu/ethereum/blockcreation/txselection/selectors/PriceTransactionSelector.java b/...perledger/besu/ethereum/blockcreation/txselection/selectors/PriceTransactionSelector.java
@@ -18,6 +18,7 @@
 import org.hyperledger.besu.ethereum.blockcreation.txselection.BlockSelectionContext;
 import org.hyperledger.besu.ethereum.blockcreation.txselection.TransactionSelectionResults;
 import org.hyperledger.besu.ethereum.core.Transaction;
+import org.hyperledger.besu.ethereum.eth.transactions.PendingTransaction;
 import org.hyperledger.besu.ethereum.processing.TransactionProcessingResult;
 import org.hyperledger.besu.plugin.data.TransactionSelectionResult;
 
@@ -40,22 +41,22 @@ public PriceTransactionSelector(final BlockSelectionContext context) {
    * Evaluates a transaction considering its price. If the transaction's current price is below the
    * minimum, it returns a selection result indicating the reason.
    *
-   * @param transaction The transaction to be evaluated.
+   * @param pendingTransaction The transaction to be evaluated.
    * @param ignored The results of other transaction evaluations in the same block.
    * @return The result of the transaction selection.
    */
   @Override
   public TransactionSelectionResult evaluateTransactionPreProcessing(
-      final Transaction transaction, final TransactionSelectionResults ignored) {
-    if (transactionCurrentPriceBelowMin(transaction)) {
+      final PendingTransaction pendingTransaction, final TransactionSelectionResults ignored) {
+    if (transactionCurrentPriceBelowMin(pendingTransaction)) {
       return TransactionSelectionResult.CURRENT_TX_PRICE_BELOW_MIN;
     }
     return TransactionSelectionResult.SELECTED;
   }
 
   @Override
   public TransactionSelectionResult evaluateTransactionPostProcessing(
-      final Transaction transaction,
+      final PendingTransaction pendingTransaction,
       final TransactionSelectionResults blockTransactionResults,
       final TransactionProcessingResult processingResult) {
     // All necessary checks were done in the pre-processing method, so nothing to do here.
@@ -65,14 +66,15 @@ public TransactionSelectionResult evaluateTransactionPostProcessing(
   /**
    * Checks if the transaction's current price is below the minimum.
    *
-   * @param transaction The transaction to be checked.
+   * @param pendingTransaction The transaction to be checked.
    * @return True if the transaction's current price is below the minimum, false otherwise.
    */
-  private boolean transactionCurrentPriceBelowMin(final Transaction transaction) {
+  private boolean transactionCurrentPriceBelowMin(final PendingTransaction pendingTransaction) {
+    final Transaction transaction = pendingTransaction.getTransaction();
     // Here we only care about EIP1159 since for Frontier and local transactions the checks
     // that we do when accepting them in the pool are enough
     if (transaction.getType().supports1559FeeMarket()
-        && !context.transactionPool().isLocalSender(transaction.getSender())) {
+        && !pendingTransaction.isReceivedFromLocalSource()) {
 
       // For EIP1559 transactions, the price is dynamic and depends on network conditions, so we can
       // only calculate at this time the current minimum price the transaction is willing to pay

diff --git a/...esu/ethereum/blockcreation/txselection/selectors/ProcessingResultTransactionSelector.java b/...esu/ethereum/blockcreation/txselection/selectors/ProcessingResultTransactionSelector.java
@@ -17,6 +17,7 @@
 import org.hyperledger.besu.ethereum.blockcreation.txselection.BlockSelectionContext;
 import org.hyperledger.besu.ethereum.blockcreation.txselection.TransactionSelectionResults;
 import org.hyperledger.besu.ethereum.core.Transaction;
+import org.hyperledger.besu.ethereum.eth.transactions.PendingTransaction;
 import org.hyperledger.besu.ethereum.mainnet.ValidationResult;
 import org.hyperledger.besu.ethereum.processing.TransactionProcessingResult;
 import org.hyperledger.besu.ethereum.transaction.TransactionInvalidReason;
@@ -40,7 +41,8 @@ public ProcessingResultTransactionSelector(final BlockSelectionContext context)
 
   @Override
   public TransactionSelectionResult evaluateTransactionPreProcessing(
-      final Transaction transaction, final TransactionSelectionResults blockTransactionResults) {
+      final PendingTransaction pendingTransaction,
+      final TransactionSelectionResults blockTransactionResults) {
     // All checks depend on processingResult and will be done in the post-processing method, so
     // nothing to do here.
     return TransactionSelectionResult.SELECTED;
@@ -51,20 +53,20 @@ public TransactionSelectionResult evaluateTransactionPreProcessing(
    * result. If the processing result is invalid, it determines the selection result for the invalid
    * result.
    *
-   * @param transaction The transaction to be evaluated.
+   * @param pendingTransaction The transaction to be evaluated.
    * @param blockTransactionResults The results of other transaction evaluations in the same block.
    * @param processingResult The processing result of the transaction.
    * @return The result of the transaction selection.
    */
   @Override
   public TransactionSelectionResult evaluateTransactionPostProcessing(
-      final Transaction transaction,
+      final PendingTransaction pendingTransaction,
       final TransactionSelectionResults blockTransactionResults,
       final TransactionProcessingResult processingResult) {
 
     if (processingResult.isInvalid()) {
       return transactionSelectionResultForInvalidResult(
-          transaction, processingResult.getValidationResult());
+          pendingTransaction.getTransaction(), processingResult.getValidationResult());
     }
     return TransactionSelectionResult.SELECTED;
   }

diff --git a/...ava/org/hyperledger/besu/ethereum/blockcreation/AbstractBlockTransactionSelectorTest.java b/...ava/org/hyperledger/besu/ethereum/blockcreation/AbstractBlockTransactionSelectorTest.java
@@ -552,10 +552,10 @@ public void transactionSelectionPluginShouldWork() {
 
     final TransactionSelectorFactory transactionSelectorFactory =
         () ->
-            (tx) -> {
-              if (tx.equals(notSelectedTransient))
+            pendingTx -> {
+              if (pendingTx.getTransaction().equals(notSelectedTransient))
                 return TransactionSelectionResult.invalidTransient("transient");
-              if (tx.equals(notSelectedInvalid))
+              if (pendingTx.getTransaction().equals(notSelectedInvalid))
                 return TransactionSelectionResult.invalid("invalid");
               return TransactionSelectionResult.SELECTED;
             };
@@ -572,7 +572,7 @@ public void transactionSelectionPluginShouldWork() {
             transactionSelectorFactory);
 
     transactionPool.addRemoteTransactions(
-        List.of(selected, notSelectedInvalid, notSelectedTransient));
+        List.of(selected, notSelectedTransient, notSelectedInvalid));
 
     final TransactionSelectionResults transactionSelectionResults =
         selector.buildTransactionListForBlock();