Maps a txid to the fee delta applied to it via PrioritiseTransaction().
Declared in <txmempool.h>
[[guarded_by(0x7f2e1b5a1b38), guarded_by(0x7f2e2721ab48), guarded_by(0x7f2e421cc258), guarded_by(0x7f2e2880b218), guarded_by(0x7f2e3212e5a8), guarded_by(0x7f2e347f6c38), guarded_by(0x7f2e2b05b0a8), guarded_by(0x7f2e2bee2748)]]
std::map<Txid, CAmount> mapDeltas;