public static ChainIndexer Load(this ChainIndexer chainIndexer, BitcoinStream stream)
{
stream.ConsensusFactory = chainIndexer.Network.Consensus.ConsensusFactory;
try
{
int height = 0;
while (true)
{
uint256.MutableUint256 id = null;
stream.ReadWrite <uint256.MutableUint256>(ref id);
BlockHeader header = null;
stream.ReadWrite(ref header);
if (height == 0)
{
Assert.True(header.GetHash() == chainIndexer.Tip.HashBlock);
}
else if (chainIndexer.Tip.HashBlock == header.HashPrevBlock && !(header.IsNull && header.Nonce == 0))
{
chainIndexer.Add(new ChainedHeader(header, id.Value, chainIndexer.Tip));
}
else
{
break;
}
height++;
}
}
catch (EndOfStreamException)
{
}
return(chainIndexer);
}
public void spanUintSerializationTests()
{
var v = new uint256(RandomUtils.GetBytes(32));
Assert.Equal(v, new uint256(v.ToBytes()));
AssertEx.CollectionEquals(v.ToBytes(), v.AsBitcoinSerializable().ToBytes());
uint256.MutableUint256 mutable = new uint256.MutableUint256();
mutable.ReadWrite(v.ToBytes(), Network.Main);
Assert.Equal(v, mutable.Value);
}
public void Load()
{
if (File.Exists(this.context.Config.File("trxindex.dat")))
{
lock (LockObj)
{
if (Table.Any())
{
return;
}
var bytes = File.ReadAllBytes(this.context.Config.File("trxindex.dat"));
using (var mem = new MemoryStream(bytes))
{
var stream = new BitcoinStream(mem, false);
try
{
this.Table.Clear();
while (true)
{
uint256.MutableUint256 key = null;
uint256.MutableUint256 value = null;
stream.ReadWrite(ref key);
stream.ReadWrite(ref value);
if (!this.Table.TryAdd(key.Value, value.Value))
{
throw new InvalidDataException(); // this is wrong it means duplicates where persisted to disk
}
}
}
catch (EndOfStreamException)
{
}
}
if (this.Table.Any())
{
this.LastBlockId = this.Table.Last().Value;
}
}
}
}
public async Task <uint256> GetBestBlockAsync()
{
uint256.MutableUint256 block = await this.Index.GetAsync <uint256.MutableUint256>("B").ConfigureAwait(false);
return(block == null ? uint256.Zero : block.Value);
}