Implement O(1) OP_IF/NOTIF/ELSE/ENDIF logic (!1062) · Merge requests · Bitcoin Cash Node / Bitcoin Cash Node · GitLab

BigBlockIfTrue requested to merge BigBlockIfTrue/bitcoin-cash-node:backport/abc/d8836-d8837 into master Feb 12, 2021

Backport of Bitcoin ABC D8836 and D8837. (See !1061 (merged) for associated benchmark.)

Test plan: ninja check-all ON BOTH COMMITS

DO NOT SQUASH