public void RollbackBlock(ChainedHeader chainedHeader, IEnumerable <BlockTx> blockTxes)
{
using (var handle = storageManager.OpenChainStateCursor())
{
var chainStateCursor = handle.Item;
chainStateCursor.BeginTransaction();
// verify storage chain tip matches this chain state builder's chain tip
CheckChainTip(chainStateCursor);
var newChain = chain.Value.ToBuilder().RemoveBlock(chainedHeader).ToImmutable();
// keep track of the previoux tx output information for all unminted transactions
// the information is removed and will be needed to enable a replay of the rolled back block
var unmintedTxes = ImmutableList.CreateBuilder <UnmintedTx>();
// rollback the utxo
utxoBuilder.RollbackUtxo(chainStateCursor, chain.Value, chainedHeader, blockTxes, unmintedTxes);
// remove the block from the chain
chainStateCursor.ChainTip = newChain.LastBlock;
// remove the rollback information
chainStateCursor.TryRemoveBlockSpentTxes(chainedHeader.Height);
// store the replay information
chainStateCursor.TryAddBlockUnmintedTxes(chainedHeader.Hash, unmintedTxes.ToImmutable());
// commit the chain state
commitLock.Do(() =>
{
chainStateCursor.CommitTransaction();
chain = new Lazy <Chain>(() => newChain).Force();
});
}
}