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Allow plugins to propose transactions during block creation (#8268)

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* Allow plugins to propose transactions during block creation

Signed-off-by: Fabio Di Fabio <fabio.difabio@consensys.net>

* Apply suggestions from code review

Signed-off-by: Fabio Di Fabio <fabio.difabio@consensys.net>

* Document AbstractStatefulTransactionSelector

Signed-off-by: Fabio Di Fabio <fabio.difabio@consensys.net>

* Unit tests for BlockSizeTransactionSelectorTest

Signed-off-by: Fabio Di Fabio <fabio.difabio@consensys.net>

---------

Signed-off-by: Fabio Di Fabio <fabio.difabio@consensys.net>
This commit is contained in:
Fabio Di Fabio
2025-02-12 15:59:59 +01:00
committed by GitHub
parent 0ad85ecada
commit 428a638569
28 changed files with 1287 additions and 324 deletions
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28
besu/src/main/java/org/hyperledger/besu/services/TransactionSelectionServiceImpl.java
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@@ -14,11 +14,14 @@
*/
package org.hyperledger.besu.services;
import static com.google.common.base.Preconditions.checkState;
import org.hyperledger.besu.plugin.data.ProcessableBlockHeader;
import org.hyperledger.besu.plugin.services.TransactionSelectionService;
import org.hyperledger.besu.plugin.services.txselection.BlockTransactionSelectionService;
import org.hyperledger.besu.plugin.services.txselection.PluginTransactionSelector;
import org.hyperledger.besu.plugin.services.txselection.PluginTransactionSelectorFactory;
import java.util.Optional;
import org.hyperledger.besu.plugin.services.txselection.SelectorsStateManager;
/** The Transaction Selection service implementation. */
public class TransactionSelectionServiceImpl implements TransactionSelectionService {
@@ -26,18 +29,27 @@ public class TransactionSelectionServiceImpl implements TransactionSelectionServ
/** Default Constructor. */
public TransactionSelectionServiceImpl() {}
private Optional<PluginTransactionSelectorFactory> factory = Optional.empty();
private PluginTransactionSelectorFactory factory = PluginTransactionSelectorFactory.NO_OP_FACTORY;
@Override
public PluginTransactionSelector createPluginTransactionSelector() {
return factory
.map(PluginTransactionSelectorFactory::create)
.orElse(PluginTransactionSelector.ACCEPT_ALL);
public PluginTransactionSelector createPluginTransactionSelector(
final SelectorsStateManager selectorsStateManager) {
return factory.create(selectorsStateManager);
}
@Override
public void selectPendingTransactions(
final BlockTransactionSelectionService selectionService,
final ProcessableBlockHeader pendingBlockHeader) {
factory.selectPendingTransactions(selectionService, pendingBlockHeader);
}
@Override
public void registerPluginTransactionSelectorFactory(
final PluginTransactionSelectorFactory pluginTransactionSelectorFactory) {
factory = Optional.ofNullable(pluginTransactionSelectorFactory);
checkState(
factory == PluginTransactionSelectorFactory.NO_OP_FACTORY,
"PluginTransactionSelectorFactory was already registered");
factory = pluginTransactionSelectorFactory;
}
}