public void Can_stop()
{
SyncPeerMock peerA = new SyncPeerMock("A");
peerA.AddBlocksUpTo(SyncBatchSize.Max);
When.Syncing
.Stop();
}
public void Can_reorg_on_hint_block_message()
{
SyncPeerMock peerA = new SyncPeerMock("A");
peerA.AddBlocksUpTo(3);
SyncPeerMock peerB = new SyncPeerMock("B");
peerB.AddBlocksUpTo(3);
When.Syncing
.AfterProcessingGenesis()
.AfterPeerIsAdded(peerA)
.AfterPeerIsAdded(peerB)
.Wait()
.After(() => peerB.AddBlocksUpTo(6))
.AfterHintBlockMessage(peerB.HeadBlock, peerB)
.BestSuggestedHeaderIs(peerB.HeadHeader).Stop();
}
public void Can_sync_more_than_a_batch()
{
SyncPeerMock peerA = new SyncPeerMock("A");
peerA.AddBlocksUpTo(SyncBatchSize.Max * 3);
When.Syncing
.AfterProcessingGenesis()
.AfterPeerIsAdded(peerA)
.BestSuggestedHeaderIs(peerA.HeadHeader).Stop();
}
public void Can_sync_with_one_peer_straight_and_extend_chain()
{
SyncPeerMock peerA = new SyncPeerMock("A");
peerA.AddBlocksUpTo(3);
When.Syncing
.AfterProcessingGenesis()
.AfterPeerIsAdded(peerA)
.BestSuggestedHeaderIs(peerA.HeadHeader).Stop();
}
public void Will_remove_peer_when_init_fails()
{
SyncPeerMock peerA = new SyncPeerMock("A", true, true);
peerA.AddBlocksUpTo(1);
When.Syncing
.AfterProcessingGenesis()
.AfterPeerIsAdded(peerA)
.WaitAMoment()
.PeerCountIs(0).Stop();
}
public void Will_not_add_same_peer_twice()
{
SyncPeerMock peerA = new SyncPeerMock("A");
peerA.AddBlocksUpTo(1);
When.Syncing
.AfterProcessingGenesis()
.AfterPeerIsAdded(peerA)
.AfterPeerIsAdded(peerA)
.WaitUntilInitialized()
.PeerCountIs(1)
.BestSuggestedBlockHasNumber(1).Stop();
}
public void Will_not_reorganize_more_than_max_reorg_length()
{
SyncPeerMock peerA = new SyncPeerMock("A");
peerA.AddBlocksUpTo(BlockDownloader.MaxReorganizationLength + 1);
SyncPeerMock peerB = new SyncPeerMock("B");
peerB.AddBlocksUpTo(BlockDownloader.MaxReorganizationLength + 2, 0, 1);
When.Syncing
.AfterProcessingGenesis()
.AfterPeerIsAdded(peerA)
.BestSuggestedHeaderIs(peerA.HeadHeader)
.AfterPeerIsAdded(peerB)
.BestSuggestedHeaderIs(peerA.HeadHeader).Stop();
}
public void Will_not_reorganize_on_same_chain_length()
{
SyncPeerMock peerA = new SyncPeerMock("A");
peerA.AddBlocksUpTo(10);
SyncPeerMock peerB = new SyncPeerMock("B");
peerB.AddBlocksUpTo(10, 0, 1);
When.Syncing
.AfterProcessingGenesis()
.AfterPeerIsAdded(peerA)
.BestSuggestedHeaderIs(peerA.HeadHeader)
.AfterPeerIsAdded(peerB)
.BestSuggestedHeaderIs(peerA.HeadHeader).Stop();
}
public void Can_reorg_based_on_total_difficulty()
{
SyncPeerMock peerA = new SyncPeerMock("A");
peerA.AddBlocksUpTo(10);
SyncPeerMock peerB = new SyncPeerMock("B");
peerB.AddHighDifficultyBlocksUpTo(6, 0, 1);
When.Syncing
.AfterProcessingGenesis()
.AfterPeerIsAdded(peerA)
.BestSuggestedHeaderIs(peerA.HeadHeader)
.AfterPeerIsAdded(peerB)
.BestSuggestedHeaderIs(peerB.HeadHeader).Stop();
}
public void Can_reorg_on_add_peer()
{
SyncPeerMock peerA = new SyncPeerMock("A");
peerA.AddBlocksUpTo(SyncBatchSize.Max);
SyncPeerMock peerB = new SyncPeerMock("B");
peerB.AddBlocksUpTo(SyncBatchSize.Max * 2, 0, 1);
When.Syncing
.AfterProcessingGenesis()
.AfterPeerIsAdded(peerA)
.BestSuggestedHeaderIs(peerA.HeadHeader)
.AfterPeerIsAdded(peerB)
.BestSuggestedHeaderIs(peerB.HeadHeader).Stop();
}
public void Can_sync_when_best_peer_is_timing_out()
{
SyncPeerMock peerA = new SyncPeerMock("A");
peerA.AddBlocksUpTo(1);
SyncPeerMock badPeer = new SyncPeerMock("B", false, false, true);
badPeer.AddBlocksUpTo(20);
When.Syncing
.AfterProcessingGenesis()
.AfterPeerIsAdded(badPeer)
.WaitUntilInitialized()
.AfterPeerIsAdded(peerA)
.BestSuggestedBlockHasNumber(1).Stop();
}
public void Will_inform_connecting_peer_about_the_alternative_branch_with_same_difficulty()
{
if (_synchronizerType == SynchronizerType.Fast)
{
return;
}
SyncPeerMock peerA = new SyncPeerMock("A");
peerA.AddBlocksUpTo(2);
SyncPeerMock peerB = new SyncPeerMock("B");
peerB.AddBlocksUpTo(2, 0, 1);
When.Syncing
.AfterProcessingGenesis()
.AfterPeerIsAdded(peerA)
.BestSuggestedBlockHasNumber(2)
.AfterPeerIsAdded(peerB)
.WaitUntilInitialized()
.Stop();
Assert.AreNotEqual(peerB.HeadBlock.Hash, peerA.HeadBlock.Hash);
Block peerBNewBlock = null;
SpinWait.SpinUntil(() =>
{
bool receivedBlock = peerB.ReceivedBlocks.TryPeek(out peerBNewBlock);
return(receivedBlock && peerBNewBlock.Hash == peerA.HeadBlock.Hash);
}, WaitTime);
if (_synchronizerType == SynchronizerType.Eth2Merge)
{
Assert.IsNull(peerBNewBlock);
Assert.AreNotEqual(peerB.HeadBlock.Hash, peerA.HeadBlock.Hash);
}
else
{
Assert.AreEqual(peerBNewBlock?.Header.Hash !, peerA.HeadBlock.Hash);
}
}
public void Can_extend_chain_on_hint_block_when_high_difficulty_low_number()
{
SyncPeerMock peerA = new SyncPeerMock("A");
peerA.AddBlocksUpTo(10);
SyncPeerMock peerB = new SyncPeerMock("B");
peerB.AddHighDifficultyBlocksUpTo(5, 0, 1);
When.Syncing
.AfterProcessingGenesis()
.AfterPeerIsAdded(peerA)
.Wait()
.AfterPeerIsAdded(peerB)
.Wait()
.After(() => peerB.AddHighDifficultyBlocksUpTo(6, 0, 1))
.AfterHintBlockMessage(peerB.HeadBlock, peerB)
.BestSuggestedHeaderIs(peerB.HeadHeader).Stop();
}
