/// <summary>
/// Remove superfluous branches
/// </summary>
/// <param name="transaction"></param>
/// <returns></returns>
public PartialMerkleTree Trim(params uint256[] matchedTransactions)
{
PartialMerkleTree trimmed = new PartialMerkleTree();
trimmed.TransactionCount = TransactionCount;
var root = GetMerkleRoot();
foreach (var leaf in root.GetLeafs())
{
MarkToTop(leaf, false);
}
BitWriter flags = new BitWriter();
foreach (var leaf in root.GetLeafs().Where(l => matchedTransactions.Contains(l.Hash)))
{
MarkToTop(leaf, true);
}
trimmed.BuildCore(root, flags);
trimmed.Flags = flags.ToBitArray();
return(trimmed);
}