public PositionState this[string symbol]
{
get
{
PositionState state = null;
_positions?.TryGetValue(symbol, out state);
return(state);
}
}
public List <TransactionToken> TokensToNextPositionsStates(AccountState nextState)
{
var tokens = new List <TransactionToken>(nextState.Symbols.Count);
foreach (var symbol in Symbols.Union(nextState.Symbols))
{
var token = PositionState.GetConversionToken(this[symbol], nextState[symbol]);
tokens.Add(token);
}
return(tokens);
}
public static TransactionToken GetConversionToken(PositionState current, PositionState next)
{
if (current == null)
{
return(next.Token);
}
if (next == null)
{
return(~current.Token);
}
return(~current.Token + next.Token);
}
public TransactionToken(PositionState pos) : this(pos.Symbol, pos.Volume, pos.Side)
{
}