/// <summary>
/// Releases given <see cref="BlockChain"/>.
/// </summary>
/// <param name="chain">Released chain.</param>
private void releaseChain(BlockChain chain)
{
chain.Block = null;
chain.Next = null;
chain.DataSize = 0;
chain.DataOffset = 0;
_freeChains.Push(chain);
}
/// <summary>
/// Chains given block.
/// </summary>
/// <param name="block">Block to chain.</param>
/// <param name="previousChain">Previous chain, where created chain will be appended.</param>
/// <returns>Chain with given block.</returns>
private BlockChain chainBlock(Block block, int dataOffset, int dataSize, BlockChain previousChain = null)
{
BlockChain freeChain;
if (_freeChains.Count == 0)
freeChain = new BlockChain();
else
freeChain = _freeChains.Pop();
freeChain.Block = block;
freeChain.DataOffset = dataOffset;
freeChain.DataSize = dataSize;
if (previousChain != null)
//chain with previous chain if available
previousChain.Next = freeChain;
return freeChain;
}