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ProposalService::onProtectedDataRemoved signals listeners once on bat…
…ch removes bisq-network#3143 identified an issue that tempProposals listeners were being signaled once for each item that was removed during the P2PDataStore operation that expired old TempProposal objects. Some of the listeners are very expensive (ProposalListPresentation::updateLists()) which results in large UI performance issues. Now that the infrastructure is in place to receive updates from the P2PDataStore in a batch, the ProposalService can apply all of the removes received from the P2PDataStore at once. This results in only 1 onChanged() callback for each listener. The end result is that updateLists() is only called once and the performance problems are reduced. This removes the need for bisq-network#3148 and those interfaces will be removed in the next patch.
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...est/java/bisq/core/dao/governance/proposal/ProposalServiceP2PDataStorageListenerTest.java
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| /* | ||
| * This file is part of Bisq. | ||
| * | ||
| * Bisq is free software: you can redistribute it and/or modify it | ||
| * under the terms of the GNU Affero General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or (at | ||
| * your option) any later version. | ||
| * | ||
| * Bisq is distributed in the hope that it will be useful, but WITHOUT | ||
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public | ||
| * License for more details. | ||
| * | ||
| * You should have received a copy of the GNU Affero General Public License | ||
| * along with Bisq. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
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| package bisq.core.dao.governance.proposal; | ||
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| import bisq.core.dao.governance.period.PeriodService; | ||
| import bisq.core.dao.governance.proposal.storage.appendonly.ProposalStorageService; | ||
| import bisq.core.dao.governance.proposal.storage.temp.TempProposalPayload; | ||
| import bisq.core.dao.governance.proposal.storage.temp.TempProposalStorageService; | ||
| import bisq.core.dao.state.DaoStateService; | ||
| import bisq.core.dao.state.model.governance.DaoPhase; | ||
| import bisq.core.dao.state.model.governance.Proposal; | ||
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| import bisq.network.p2p.P2PService; | ||
| import bisq.network.p2p.storage.payload.ProtectedStorageEntry; | ||
| import bisq.network.p2p.storage.persistence.AppendOnlyDataStoreService; | ||
| import bisq.network.p2p.storage.persistence.ProtectedDataStoreService; | ||
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| import javafx.collections.ListChangeListener; | ||
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| import java.util.Arrays; | ||
| import java.util.Collections; | ||
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| import org.junit.Before; | ||
| import org.junit.Test; | ||
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| import static org.mockito.Mockito.*; | ||
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| import org.mockito.Mock; | ||
| import org.mockito.MockitoAnnotations; | ||
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| /** | ||
| * Tests of the P2PDataStorage::onRemoved callback behavior to ensure that the proper number of signal events occur. | ||
| */ | ||
| public class ProposalServiceP2PDataStorageListenerTest { | ||
| private ProposalService proposalService; | ||
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| @Mock | ||
| private PeriodService periodService; | ||
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| @Mock | ||
| private DaoStateService daoStateService; | ||
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| @Mock | ||
| private ListChangeListener<Proposal> tempProposalListener; | ||
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| @Before | ||
| public void setUp() { | ||
| MockitoAnnotations.initMocks(this); | ||
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| this.proposalService = new ProposalService( | ||
| mock(P2PService.class), | ||
| this.periodService, | ||
| mock(ProposalStorageService.class), | ||
| mock(TempProposalStorageService.class), | ||
| mock(AppendOnlyDataStoreService.class), | ||
| mock(ProtectedDataStoreService.class), | ||
| this.daoStateService, | ||
| mock(ProposalValidatorProvider.class), | ||
| true); | ||
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| // Create a state so that all added/removed Proposals will actually update the tempProposals list. | ||
| when(this.periodService.isInPhase(anyInt(), any(DaoPhase.Phase.class))).thenReturn(true); | ||
| when(this.daoStateService.isParseBlockChainComplete()).thenReturn(false); | ||
| } | ||
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| private static ProtectedStorageEntry buildProtectedStorageEntry() { | ||
| ProtectedStorageEntry protectedStorageEntry = mock(ProtectedStorageEntry.class); | ||
| TempProposalPayload tempProposalPayload = mock(TempProposalPayload.class); | ||
| Proposal tempProposal = mock(Proposal.class); | ||
| when(protectedStorageEntry.getProtectedStoragePayload()).thenReturn(tempProposalPayload); | ||
| when(tempProposalPayload.getProposal()).thenReturn(tempProposal); | ||
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| return protectedStorageEntry; | ||
| } | ||
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| // TESTCASE: If an onRemoved callback is called which does not remove anything the tempProposals listeners | ||
| // are not signaled. | ||
| @Test | ||
| public void onRemoved_noSignalIfNoChange() { | ||
| this.proposalService.onRemoved(Collections.singletonList(mock(ProtectedStorageEntry.class))); | ||
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| verify(this.tempProposalListener, never()).onChanged(any()); | ||
| } | ||
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| // TESTCASE: If an onRemoved callback is called with 1 element AND it creates a remove of 1 element, the tempProposal | ||
| // listeners are signaled once. | ||
| @Test | ||
| public void onRemoved_signalOnceOnOneChange() { | ||
| ProtectedStorageEntry one = buildProtectedStorageEntry(); | ||
| this.proposalService.onAdded(Collections.singletonList(one)); | ||
| this.proposalService.getTempProposals().addListener(this.tempProposalListener); | ||
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| this.proposalService.onRemoved(Collections.singletonList(one)); | ||
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| verify(this.tempProposalListener).onChanged(any()); | ||
| } | ||
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| // TESTCASE: If an onRemoved callback is called with 2 elements AND it creates a remove of 2 elements, the | ||
| // tempProposal listeners are signaled once. | ||
| @Test | ||
| public void onRemoved_signalOnceOnMultipleChanges() { | ||
| ProtectedStorageEntry one = buildProtectedStorageEntry(); | ||
| ProtectedStorageEntry two = buildProtectedStorageEntry(); | ||
| this.proposalService.onAdded(Arrays.asList(one, two)); | ||
| this.proposalService.getTempProposals().addListener(this.tempProposalListener); | ||
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| this.proposalService.onRemoved(Arrays.asList(one, two)); | ||
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| verify(this.tempProposalListener).onChanged(any()); | ||
| } | ||
| } |