private async Task ProcessNewBlockAsync(BlockAnnouncement blockAnnouncement, string senderPubkey)
{
var chain = await _blockchainService.GetChainAsync();
if (!await _blockSyncValidationService.ValidateAnnouncementBeforeSyncAsync(chain, blockAnnouncement, senderPubkey))
{
return;
}
await _blockSyncService.SyncByAnnouncementAsync(chain, new SyncAnnouncementDto
{
SyncBlockHash = blockAnnouncement.BlockHash,
SyncBlockHeight = blockAnnouncement.BlockHeight,
SuggestedPeerPubkey = senderPubkey,
BatchRequestBlockCount = _blockSyncOptions.MaxBatchRequestBlockCount
});
}
private async Task ProcessNewBlockAsync(BlockAnnouncement blockAnnouncement, string senderPubkey)
{
Logger.LogDebug(
$"Start block sync job, target height: {blockAnnouncement.BlockHeight}, target block hash: {blockAnnouncement.BlockHash}, peer: {senderPubkey}");
var chain = await _blockchainService.GetChainAsync();
if (!await _blockSyncValidationService.ValidateAnnouncementBeforeSyncAsync(chain, blockAnnouncement, senderPubkey))
{
return;
}
await _blockSyncService.SyncByAnnouncementAsync(chain, new SyncAnnouncementDto
{
SyncBlockHash = blockAnnouncement.BlockHash,
SyncBlockHeight = blockAnnouncement.BlockHeight,
SuggestedPeerPubkey = senderPubkey,
BatchRequestBlockCount = _blockSyncOptions.MaxBatchRequestBlockCount
});
}
public async Task SyncByAnnounce_Success()
{
var chain = await _blockchainService.GetChainAsync();
var resp = await _networkService.GetBlocksAsync(chain.BestChainHash, 30, null);
var peerBlocks = resp.Payload;
var block = peerBlocks[0];
var peerBlockHash = block.GetHash();
var peerBlockHeight = block.Height;
{
// Sync one block to best chain
// BestChainHeight: 12
await _blockSyncService.SyncByAnnouncementAsync(chain, new SyncAnnouncementDto
{
SyncBlockHash = peerBlockHash,
SyncBlockHeight = peerBlockHeight,
BatchRequestBlockCount = 5
});
chain = await _blockchainService.GetChainAsync();
chain.BestChainHeight.ShouldBe(12);
chain.BestChainHash.ShouldBe(peerBlocks[0].GetHash());
}
{
// Handle the same announcement again
// BestChainHeight: 12
await _blockSyncService.SyncByAnnouncementAsync(chain, new SyncAnnouncementDto
{
SyncBlockHash = peerBlockHash,
SyncBlockHeight = peerBlockHeight,
BatchRequestBlockCount = 5
});
chain = await _blockchainService.GetChainAsync();
chain.BestChainHash.ShouldBe(peerBlocks[0].GetHash());
chain.BestChainHeight.ShouldBe(12);
}
{
// Mined one block, and fork
await _osTestHelper.MinedOneBlock();
chain = await _blockchainService.GetChainAsync();
chain.BestChainHeight.ShouldBe(13);
}
{
// Receive a higher fork block, sync from the lib
// BestChainHeight: 31
block = peerBlocks.Last();
peerBlockHash = block.GetHash();
peerBlockHeight = block.Height;
await _blockSyncService.SyncByAnnouncementAsync(chain, new SyncAnnouncementDto
{
SyncBlockHash = peerBlockHash,
SyncBlockHeight = peerBlockHeight,
BatchRequestBlockCount = 5
});
var jobInfo = await _blockDownloadJobStore.GetFirstWaitingJobAsync();
jobInfo.TargetBlockHeight.ShouldBe(peerBlockHeight);
jobInfo.TargetBlockHash.ShouldBe(peerBlockHash);
}
}
