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Integrate package context into fee and weight calculations; add absolute fee target #38

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Integrate package context into fee and weight calculations; add absolute fee target #38

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ee587da
feat: Integrate package context into fee and weight calculations
evanlinjin Feb 8, 2026
6bf3239
test: Add unit tests for package-aware coin selection
evanlinjin Feb 9, 2026
1db713a
feat: Add absolute fee target to TargetFee
evanlinjin Feb 18, 2026
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10 changes: 10 additions & 0 deletions CHANGELOG.md
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@@ -1,3 +1,13 @@
# Unreleased

- Add package-aware coin selection for CPFP (Child Pays for Parent) scenarios
- New `Package` struct to specify parent transaction fee and weight
- `CoinSelector::with_package()` to configure package context and auto-select linking inputs
- `weight()` and `fee()` now include parent context when package is set
- New `weight_without_package()` and `fee_without_package()` for child-only values
- `implied_feerate()` returns package feerate when package is set
- RBF calculations correctly use child weight only

# 0.4.0

- Use `u64` for weights instead of u32
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