Maps a txid to the fee delta applied to it via PrioritiseTransaction().
Declared in <txmempool.h>
[[guarded_by(0x7fbc8f683618), guarded_by(0x7fbc95d45378), guarded_by(0x7fbca708b038), guarded_by(0x7fbc862738d8), guarded_by(0x7fbca7897fb8), guarded_by(0x7fbc84ab9608), guarded_by(0x7fbc870f8b08), guarded_by(0x7fbc921e03c8)]]
std::map<Txid, CAmount> mapDeltas;