public TokenIndexItem Get(string symbol)
{
var cachedIndex = IndexTokenCache.Get(symbol);
if (cachedIndex != null)
{
return(cachedIndex);
}
var index = database.GetTokenIndex(symbol);
if (index != null)
{
IndexTokenCache.AddOrUpdate(index);
}
return(index);
}
public void AddToIndex(TransactionToken record)
{
if (record == null)
{
return;
}
var tokenIndex = new TokenIndexItem()
{
Name = record.Name,
Symbol = record.Symbol,
Decimals = record.Decimals
};
database.SaveTokenIndex(tokenIndex);
IndexTokenCache.AddOrUpdate(tokenIndex);
//Update key map
List <string> symbols = database.GetKeyMap("token");
if (symbols == null)
{
//First token in block is native
database.SaveNativeTokenIndex(tokenIndex);
symbols = new List <string>();
symbols.Add(record.Symbol);
database.SaveKeyMap("token", symbols);
}
else
{
if (!symbols.Contains(record.Symbol))
{
symbols.Add(record.Symbol);
database.SaveKeyMap("token", symbols);
}
}
}
public void DeleteIndex(TransactionToken record)
{
database.DeleteTokenIndex(record.Symbol);
database.DeleteKeyMap("token");
IndexTokenCache.Remove(record.Symbol);
}
