/// <inheritdoc />
public Task <ChainedHeader> LoadAsync(ChainedHeader genesisHeader)
{
Task <ChainedHeader> task = Task.Run(() =>
{
lock (this.lockObj)
{
ChainedHeader tip = null;
ChainData data = this.chainStore.GetChainData(0);
if (data == null)
{
genesisHeader.SetChainStore(this.chainStore);
return(genesisHeader);
}
Guard.Assert(data.Hash == genesisHeader.HashBlock); // can't swap networks
int index = 0;
while (true)
{
data = this.chainStore.GetChainData((index));
if (data == null)
{
break;
}
tip = new ChainedHeader(data.Hash, data.Work, tip);
if (tip.Height == 0)
{
tip.SetChainStore(this.chainStore);
}
index++;
}
if (tip == null)
{
genesisHeader.SetChainStore(this.chainStore);
tip = genesisHeader;
}
this.locator = tip.GetLocator();
return(tip);
}
});
return(task);
}
/// <inheritdoc />
public Task <ChainedHeader> LoadAsync(ChainedHeader genesisHeader)
{
Task <ChainedHeader> task = Task.Run(() =>
{
lock (this.lockObj)
{
ChainedHeader tip = null;
ChainData data = this.chainStore.GetChainData(0);
if (data == null)
{
genesisHeader.SetChainStore(this.chainStore);
return(genesisHeader);
}
Guard.Assert(data.Hash == genesisHeader.HashBlock); // can't swap networks
var list = this.chainStore.GetChainData();
foreach (var chainedData in list)
{
// Create a new ChainedHeader with reference to previous. This will build a large object graph of all headers.
tip = new ChainedHeader(chainedData.Hash, chainedData.Work, tip);
if (tip.Height == 0)
{
tip.SetChainStore(this.chainStore);
}
}
if (tip == null)
{
genesisHeader.SetChainStore(this.chainStore);
tip = genesisHeader;
}
this.locator = tip.GetLocator();
return(tip);
}
});
return(task);
}
public ChainData GetChainData(int height)
{
byte[] bytes = null;
lock (this.locker)
{
bytes = this.rocksdb.Get(DBH.Key(ChainTableName, BitConverter.GetBytes(height)));
}
if (bytes == null)
{
return(null);
}
var data = new ChainData();
data.FromBytes(bytes, this.network.Consensus.ConsensusFactory);
return(data);
}