/// <summary>
/// Pushes the changes into database.
/// </summary>
public string PushState(string prevStateRoot, string stateRoot, SingleState[] changedWallets)
{
DataHeader header = null;
if (prevStateRoot == null)
{
header = DataHeader.EmptyState();
}
else
{
header = ReadHeader(prevStateRoot);
}
var changes = new Dictionary <string, List <SingleState> >();
foreach (var wallet in changedWallets)
{
var index = GetIndexFromHash(wallet.key);
if (changes.ContainsKey(index) == false)
{
changes[index] = new List <SingleState>();
}
changes[index].Add(wallet);
}
foreach (var change in changes)
{
header.path[change.Key] = WriteStateBlob(change.Key, change.Value.ToArray());
}
return(WriteHeader(stateRoot, header));
}
private DataHeader ReadHeader(string stateRoot)
{
var header = fdb.Read <DataHeader>($"root/{stateRoot}");
if (header == null)
{
return(DataHeader.EmptyState());
}
return(header);
}