private MiningContext BuildNewMinerJob(Block blockForMine)
{
string prevBlockHash = LastBlock.BlockHash;
MiningContext context = new MiningContext();
context.BlockIndex = blockForMine.Index;
context.BlockHash = blockForMine.BlockDataHash;
context.Difficulty = Difficulty;
context.PrevBlockHash = prevBlockHash;
context.Timestamp = blockForMine.CreatedDate;
return(context);
}
internal MiningContext GetBlockForMine(string minerAddress)
{
Block blockInProgressForMiner = null;
BlocksInProgress.TryGetValue(minerAddress, out blockInProgressForMiner);
if (blockInProgressForMiner == null)
{
Block blockForMine = BuildBlock();
MiningContext context = BuildNewMinerJob(blockForMine);
BlocksInProgress[minerAddress] = blockForMine;
return(context);
}
else
{
bool hasNewBlock = LastBlock.Index >= blockInProgressForMiner.Index;
bool hasNewerTransactions = false;
// still mining same block
if (LastBlock.Index == blockInProgressForMiner.Index - 1)
{
hasNewerTransactions = PendingTransactions.Count > blockInProgressForMiner.Transactions.Count;
}
if (hasNewBlock || hasNewerTransactions)
{
Block blockForMine = BuildBlock();
MiningContext context = BuildNewMinerJob(blockForMine);
BlocksInProgress[minerAddress] = blockForMine;
return(context);
}
return(BuildNewMinerJob(blockInProgressForMiner));
}
}