Returns the on-disk position of this block's undo data.
Declared in <chain.h>
[[requires_capability(0x7f9500cbe308), requires_capability(0x7f9511905948), requires_capability(0x7f951ec49bc8), requires_capability(0x7f9524d79cc8), requires_capability(0x7f9503ca0598), requires_capability(0x7f9516ce9c68), requires_capability(0x7f9520d77f28), requires_capability(0x7f9524d447c8), requires_capability(0x7f9517141b98), requires_capability(0x7f9516bbe638), requires_capability(0x7f94f38594e8)]]
FlatFilePos
GetUndoPos() const;
The file position, or a default position if the undo data is not available.