public void Start()
{
// init block IDs for verbosity (instead of using int or guid)
foreach (char c in chars)
{
blockIDs.Enqueue(c.ToString());
}
// spawn miners
var miners = new Miner[MinerCount];
for (int i = 0; i < miners.Length; i++)
{
// create the same DAG for every miner - only genesis block
var dag = new DAG
{
Tips = new Block[] { GenesisBlock }
};
miners[i] = new Miner {
Index = i, DAG = dag
};
Console.WriteLine("Spawned miner #{0}", i);
}
// Set ConnectedMiners for every miner.
// Currently every miner knows all the others, but it is easy to plug-in any other
// network layout here (i.e. every miner is connected to 50% of the miners, etc.)
for (int i = 0; i < miners.Length; i++)
{
var miner = miners[i];
miner.ConnectedMiners = miners
.Except(new[] { miner })
.ToArray();
}
// only genesis block exists at this point
int currentBlockCount = 1;
while (currentBlockCount < BlockCount)
{
if (lastBlockCreationTime.Add(CreationRate) > DateTime.Now)
{
Thread.Sleep(500);
continue;
}
int minerIndex = rand.Next(MinerCount);
var miner = miners[minerIndex];
CreateNewBlock(miner);
currentBlockCount++;
lastBlockCreationTime = DateTime.Now;
}
}
void AddBlock(DAG dag, Block newBlock)
{
lock (dag.SyncObject)
{
var oldTips = dag.Tips;
// create the new Tips list and add 'newBlock'
var newTips = new List <Block> {
newBlock
};
// Add every tip that is not a parent of 'newBlock'
foreach (var block in oldTips)
{
bool isParentOfNewBlock = false;
// check if 'block' is a parent of 'newBlock'
foreach (var newBlockParent in newBlock.Parents)
{
if (block.ID == newBlockParent.ID)
{
isParentOfNewBlock = true;
break;
}
}
if (isParentOfNewBlock == false)
{
// only add blocks that are not parent of 'newBlock'
newTips.Add(block);
}
}
dag.Tips = newTips.ToArray();
}
}