blind/blindpsbt fixes - #1592

Merged

delta1 merged 10 commits into

ElementsProject:masterfrom

delta1:2026-09-various-fixes

Sep 1, 2026

Commits on Sep 1, 2026

blind: reject empty surjection-target set in SurjectOutput
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a7a8821
blindpsbt: require genuine commitments in VerifyBlindValueProof
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6f1a513
blindpsbt: require both range bounds to match claim in VerifyBlindValueProof
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34be37f
validation: always validate and retain dynafed header block_height
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c7ec63c
dynafed: require at least four-fifths approval for parameter transition
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bdedb12
headerssync: retain Elements identity and proof fields
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fef1a30
blindpsbt: refuse to blind a PSET output with no amount
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066ecf6
blindpsbt: reject off-curve blinding pubkey before ECDH
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f634a3a
blindpsbt: return error instead of asserting on surjection proof failure
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b0aba61
fix: range proof cache bind to asset and scriptpubkey
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c26d719