perf: port Bitcoin Core's incumbent-free branch-and-bound prunes - #69

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evanlinjin wants to merge 15 commits into

bitcoindevkit:masterfrom

evanlinjin:experiment/core-bnb-prunes

Commits on Aug 14, 2026

fix!: replace Candidate input_count/is_segwit with segwit_count/legacy_count
evanlinjin
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6f837a4
refactor!: replace Candidate::new with Candidate::new_segwit and new_legacy
evanlinjin
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a37cef9
Give `CoinSelector` its target instead of threading it through every call

evanlinjin
and
claude
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89ec889
feat!: introduce SelectionProblem; CoinSelector borrows it
evanlinjin
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5f8384a
feat: charge selections for the ancestors they drag in
evanlinjin
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baa3dd4
perf: speed up ancestor-aware LowestFee
evanlinjin
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ce2a557
perf: tighten ancestor-aware LowestFee bound
evanlinjin
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8962079
perf!: make BnB metrics delta-aware
evanlinjin
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c4938f6
fix: harden delta-aware ancestor selection
evanlinjin
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58b26c6
bench: restore capped BnB frontier coverage
evanlinjin
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28c5455
perf: compact ancestor-aware BnB cache
evanlinjin
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3a3005e
feat: add dedicated LowestFeeChangeless metric
evanlinjin
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2cd779c
docs: polish ancestor-aware API guidance
evanlinjin
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7e965cf
perf: hard-prune on a lookahead over the undecided candidates
evanlinjin
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86f64ec
perf: cut changeless branches that have overshot their window
evanlinjin
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fb5a021