/// <summary>
/// Adds a block to Pending Storage.
/// <para>
/// The <see cref="BlockStoreSignaled"/> calls this method when a new block is available. Only add the block to pending storage if the store's tip is behind the given block.
/// </para>
/// </summary>
/// <param name="blockPair">The block and its chained header pair to be added to pending storage.</param>
/// <remarks>TODO: Possibly check the size of pending in memory</remarks>
public void AddToPending(BlockPair blockPair)
{
this.logger.LogTrace("({0}:'{1}')", nameof(blockPair), blockPair.ChainedBlock);
if (this.StoreTip.Height < blockPair.ChainedBlock.Height)
{
this.PendingStorage.TryAdd(blockPair.ChainedBlock.HashBlock, blockPair);
this.CachedConsensusTip = blockPair.ChainedBlock;
}
this.logger.LogTrace("(-)");
}
protected override void OnNextCore(Block block)
{
this.logger.LogTrace("()");
if (this.storeSettings.Prune)
{
this.logger.LogTrace("(-)[PRUNE]");
return;
}
ChainedBlock chainedBlock = this.chain.GetBlock(block.GetHash());
if (chainedBlock == null)
{
this.logger.LogTrace("(-)[REORG]");
return;
}
this.logger.LogTrace("Block hash is '{0}'.", chainedBlock.HashBlock);
var blockPair = new BlockPair(block, chainedBlock);
// Ensure the block is written to disk before relaying.
this.blockStoreLoop.AddToPending(blockPair);
if (this.blockStoreLoop.InitialBlockDownloadState.IsInitialBlockDownload())
{
this.logger.LogTrace("(-)[IBD]");
return;
}
// Add to cache if not in IBD.
this.blockStoreCache.AddToCache(block);
this.logger.LogTrace("Block header '{0}' added to the announce queue.", chainedBlock);
this.blocksToAnnounce.Enqueue(chainedBlock);
this.logger.LogTrace("(-)");
}