public void ConnectHeaders_SupplyHeadersThenSupplyMore_Both_Tip_PeerId_Maps_ShouldBeUpdated()
{
var testContext = new TestContext();
ChainedHeaderTree cht = testContext.CreateChainedHeaderTree();
ChainedHeader chainTip = testContext.ExtendAChain(10);
cht.Initialize(chainTip, true);
List <BlockHeader> listOfExistingHeaders = testContext.ChainedHeaderToList(chainTip, 10);
cht.ConnectNewHeaders(1, listOfExistingHeaders);
Dictionary <uint256, HashSet <int> > peerIdsByTipHashBefore = cht.GetPeerIdsByTipHash().ToDictionary(entry => entry.Key, entry => new HashSet <int>(entry.Value));
Dictionary <int, uint256> peerTipsByPeerIdBefore = cht.GetPeerTipsByPeerId().ToDictionary(entry => entry.Key, entry => new uint256(entry.Value));
// (of 25 headers) supply last 5 existing and first 10 new
ChainedHeader newChainTip = testContext.ExtendAChain(15, chainTip);
List <BlockHeader> listOfNewAndOldHeaders = testContext.ChainedHeaderToList(newChainTip, 25).GetRange(5, 15);
cht.ConnectNewHeaders(1, listOfNewAndOldHeaders);
Dictionary <uint256, HashSet <int> > peerIdsByTipHashAfter = cht.GetPeerIdsByTipHash();
Dictionary <int, uint256> peerTipsByPeerIdAfter = cht.GetPeerTipsByPeerId();
// Tip # -> peer id map has changed
Assert.True(peerIdsByTipHashBefore.FirstOrDefault(x => x.Value.Contains(1)).Key !=
peerIdsByTipHashAfter.FirstOrDefault(x => x.Value.Contains(1)).Key);
// Peer id -> tip # map has changed
Assert.True(peerTipsByPeerIdBefore[1] != peerTipsByPeerIdAfter[1]);
// reassigning # so amount of items the same
Assert.True(peerTipsByPeerIdBefore.Values.Count == peerTipsByPeerIdAfter.Values.Count);
}
public static ChainedHeader GetPeerTipChainedHeaderByPeerId(this ChainedHeaderTree chainedHeaderTree, int peer)
{
return(chainedHeaderTree.GetChainedHeadersByHash()[chainedHeaderTree.GetPeerTipsByPeerId()[peer]]);
}
