public static State PerformSyncing(State state, UdpClient udpServer, int sourcePort, List <NodeDetails> seedNodes)
{
state.OutputLog.Add($"{DateTime.Now} - Syncing..");
int highestTransaction = 1;
NodeDetails highestTransactionNode = null;
string[] messageParams = new string[] { };
byte[] message = MessageProcessor.ProcessMessage(BlockchainCommands.HIGHEST_TRN, messageParams);
foreach (var node in seedNodes)
{
NodeBroadcasting.BroadcastToSeedNode(message, node);
var command = SyncingOperations.ReceiveMessage(state, udpServer, node, BlockchainCommands.HIGHEST_TRN_RES, sourcePort);
if (command.CommandType != BlockchainCommands.NO_RESPONSE)
{
var highestTransactionResultCommand = (HighestTransactionResultCommand)command;
if (highestTransaction < highestTransactionResultCommand.TransactionNumber)
{
state.OutputLog.Add($"{DateTime.Now} - Highest Transaction Updated.");
highestTransaction = highestTransactionResultCommand.TransactionNumber;
highestTransactionNode = node;
}
}
}
int currentTxNumber = state.Transactions.Count == 0 ? 1 : state.Transactions.Max(p => p.Number);
if (currentTxNumber < highestTransaction)
{
UpdateState(udpServer, state, highestTransactionNode, sourcePort, highestTransaction, currentTxNumber);
state.Transactions.OrderBy(p => p.Number);
}
state.OutputLog.Add($"{DateTime.Now} - Syncing Finished.");
return(state);
}
private void SyncData()
{
state.NodeState = NodeState.SYNCING;
state = SyncingOperations.PerformSyncing(state, udpServer, sourcePort, seedNodes);
state.NodeState = NodeState.AVAILABLE;
}
