public void CanCreateBigSlimChain()
{
var main = new ConcurrentChain(LoadMainChain(), Network.Main);
var c = new SlimChain(main.GetBlock(0).HashBlock);
foreach (var item in main.EnumerateToTip(main.GetBlock(0).HashBlock))
{
c.TrySetTip(item.HashBlock, item.Previous?.HashBlock);
}
Assert.Equal(main.Height, c.Height);
Assert.Equal(main.Tip.HashBlock, c.Tip);
// Can up the capacity without errors
c.SetCapacity(main.Height + 3000);
Assert.Equal(main.Height, c.Height);
Assert.Equal(main.Tip.HashBlock, c.Tip);
Assert.Equal(main.GetBlock(main.Tip.HashBlock).HashBlock, c.GetBlock(c.Tip).Hash);
}
public void ChainedBlockVerifySkipListForGetAncestor()
{
int skipListLength = 300000;
// Want a chain of exact length so subtract the genesis block.
ConcurrentChain chain = this.CreateChain(skipListLength - 1);
// Also want a copy in array form so can quickly verify indexing.
ChainedBlock[] chainArray = new ChainedBlock[skipListLength];
// Check skip height and build out array copy.
foreach (ChainedBlock block in chain.EnumerateToTip(chain.Genesis))
{
if (block.Height > 0)
{
Assert.True(block.Skip.Height < block.Height);
}
else
{
Assert.Null(block.Skip);
}
chainArray[block.Height] = block;
}
// Do some random verification of GetAncestor().
Random random = new Random();
int randCheckCount = 1000;
for (int i = 0; i < randCheckCount; i++)
{
int from = random.Next(chain.Tip.Height - 1);
int to = random.Next(from + 1);
Assert.Equal(chainArray[chain.Tip.Height - 1].GetAncestor(from), chainArray[from]);
Assert.Equal(chainArray[from].GetAncestor(to), chainArray[to]);
Assert.Equal(chainArray[from].GetAncestor(0), chainArray[0]);
}
}
