List <MinerContext> CreateMinerContexts(int minerCount)
{
BitcoinWitPubKeyAddress[] mineToAddresses = AddressCache.GetMineToAddresses(minerCount);
var contexts = new List <MinerContext>(minerCount);
for (int i = 0; i < minerCount; i++)
{
// if the device index is disabled by configuration, don't create MinerContext
if (this.appConfiguration.DisabledDeviceIndices.Contains(i))
{
continue;
}
// this gets us the latest block template, including a unique extra nonce
var blockTemplate = this.blockTemplateCache.GetClonedBlockTemplateLocked();
// calculate the start value for block time
var earliestTimeVsTime = blockTemplate.curtime + 1; // curtime takes into account adjusted time and prev block median time past
var earliestTimeVsPrevTime = blockTemplate.previousblocktime + 1; // x1 consensus requires the block time > last block time
var newPoWBlockMinTime = Math.Max(earliestTimeVsTime, earliestTimeVsPrevTime); // time is guaranteed to be > time(prev block) and most likely curtime +1
// the header of this block is complete, with the lowest valid time, and a nonce of 0
var block = blockTemplate.CreateTemplateBlock(newPoWBlockMinTime, false, mineToAddresses[i].ScriptPubKey, null, null);
var minerContext = new MinerContext
{
Name = $"{this.appConfiguration.ClientId} #{i}",
ThreadStartedUtc = DateTime.UtcNow,
StartNonce = 0,
MaxNonce = uint.MaxValue - 1,
ThreadIndex = i,
SlimBlock = block
};
contexts.Add(minerContext);
if (!this.deviceController.PerfCounters.ContainsKey(i))
{
this.deviceController.PerfCounters.TryAdd(i, new PerfCounter());
}
}
return(contexts);
}