public static SharpChainBlock IndexOfBlock(SharpChain sc, string Hash, bool CopyEx, List <SharpChainIndex> parsedIndexes = null) // Get Entire Block via Index of Block Hash
{
if (parsedIndexes == null)
{
parsedIndexes = SharpChainIndex.ParseSharpChainIndexList(sc, 0, true);
}
SharpChainIndex index = null;
try
{
index = parsedIndexes.First((p) => p.Hash == Hash);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
Console.WriteLine("Could not find hash index!");
}
if (index != null)
{
List <SharpChainBlock> blocks = sc.ReadBlocks(false, true, index.Start, index.Length);
return(blocks.Count > 0 ? blocks[0] : null);
}
return(null);
}
public static Dictionary <string, SharpChainIndex> ParseSharpChainIndex(SharpChain sc, int start = 0, bool CopyEx = false) // Parse the Chain Index File
{
string newFile = sc.Database + SharpChain.DatabaseIndexFormat;
if (CopyEx)
{
newFile = sc.Database + SharpChain.DatabaseIndexFormat + "-copy-" + Guid.NewGuid().ToString();
File.Copy(sc.Database + SharpChain.DatabaseIndexFormat, newFile);
}
FileStream fs = File.Open(sc.Database + SharpChain.DatabaseIndexFormat, FileMode.Open);
string data = "";
byte[] file_data = null;
if ((int)fs.Length < 1 || start > (int)fs.Length)
{
file_data = new byte[0];
}
else
{
file_data = new byte[((int)fs.Length) - 1 - start];
fs.Read(file_data, start, (((int)fs.Length) - 1) - start);
}
for (int i = 0; i < file_data.Length; i++)
{
data += System.Text.Encoding.UTF8.GetString(new[] { file_data[i] });
}
fs.Flush();
fs.Close();
string[] _lines = data.Split('~');
Dictionary <string, SharpChainIndex> lines = new Dictionary <string, SharpChainIndex>();
foreach (string line in _lines)
{
string[] l = line.Split(':');
try
{
lines.Add(l[0], new SharpChainIndex(Convert.ToInt32(l[1]), Convert.ToInt32(l[2]), l[0]));
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
if (CopyEx)
{
if (File.Exists(newFile))
{
File.Delete(newFile);
}
}
return(lines);
}
public SharpChainBlock GetLastBlock(SharpChain sc, bool CopyEx) // Get the Last Block
{
List <SharpChainIndex> parsedIndexes = SharpChainIndex.ParseSharpChainIndexList(sc, 0, CopyEx);
if (parsedIndexes.Count > 0)
{
var cnt = parsedIndexes.Count - 1;
var hash = parsedIndexes[cnt].Hash;
return(SharpChainIndex.IndexOfBlock(sc, hash, CopyEx, parsedIndexes));
}
return(null);
}
public static SharpChainIndex IndexOf(SharpChain sc, string Hash, bool CopyEx) // Index of Block Hash
{
Dictionary <string, SharpChainIndex> parsedIndexes = SharpChainIndex.ParseSharpChainIndex(sc, 0, CopyEx);
try
{
return(parsedIndexes.First((p) => p.Key == Hash).Value);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
Console.WriteLine("Could not find hash index!");
}
return(null);
}
