public void SyncChain(NodeChainHeight longestChainNode)
{
ApplicationLog.Info("Downloading chain.");
ApplicationState.ConsensusState = ConsensusStates.SyncingChain;
ViewerServices viewerServices = new ViewerServices();
int localHeight = viewerServices.GetChainHeight();
if (localHeight < 0)
{
localHeight = 0;
}
//TODO: Future enhancement to download from different nodes in parellel
int currentHeight = localHeight;
int lastHeight = longestChainNode.ChainHeight;
while (currentHeight <= lastHeight)
{
var blocks = GetBlocks(longestChainNode.Address, currentHeight, currentHeight + 10);
foreach (var block in blocks)
{
AddBlockToChain(block);
currentHeight++;
}
}
}
public bool IsChainUpToDate(out NodeChainHeight longestChainNode)
{
longestChainNode = null;
bool isUpToDate = false;
int margin = 1;
Node longestNode = null;
int longestChain = GetLongestChain(out longestNode);
if (longestChain == -1)
{
throw new ValidationException(ResponseCodes.NoChainExistOnNetwork, "Failed to sync chain: " + ResponseMessages.NoChainExistOnNetwork);
}
//Compare with self height
ViewerServices viewerServices = new ViewerServices();
int localHeight = viewerServices.GetChainHeight();
if (longestChain > (localHeight + margin))
{
isUpToDate = false;
}
else
{
isUpToDate = true;
}
longestChainNode = new NodeChainHeight();
longestChainNode.Address = longestNode.ServerAddress;
longestChainNode.ChainHeight = longestChain;
return(isUpToDate);
}
public void DeleteIndexForAllBlocks()
{
ViewerServices viewerService = new ViewerServices();
var allBlocks = viewerService.GetAllBlocks();
foreach (var block in allBlocks)
{
DeleteIndex(block);
}
}
private void UpdateProofOfStake()
{
//Get genesis block
ViewerServices viewerServices = new ViewerServices();
var genesisBlock = viewerServices.GetBlock(0);
if (genesisBlock != null)
{
List <NodeStake> stakes = new List <NodeStake>();
foreach (var node in ApplicationState.ConnectedNodes)
{
stakes.Add(new NodeStake()
{
WalletAddress = node.WalletAddress,
Balance = node.Balance
});
}
ApplicationState.PosPool.UpdateNodes(stakes, genesisBlock.Header.Timestamp, 15);
}
}