feat(utxo-staking): add PoX-5 recovery policy - #9659
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Add canonical PoX-5 lockup descriptor construction, parsing, native input resolution, and principal-preimage validation to BitGoJS @bitgo/utxo-descriptors. - Return native wasm-utxo Descriptor values from the PoX-5 builder. - Expose Pox5DescriptorInfo and Pox5InputMatch for protocol fields, derived staker keys, concrete descriptors, and derivation indexes. - Delegate input matching to wasm-utxo shared descriptor resolution, including tolerance for foreign/root derivation metadata. - Read and validate the unique PSBT_IN_SHA256 principal preimage through the native PSBT key-value API. - Validate the principal preimage against the descriptor staker commitment. - Keep transaction construction, wallet authorization, locktime policy, and witness finalization in their existing layers. Refs: WAL-2025
Move native PoX-5 branch classification, locktime and sequence policy, preimage preparation, and witness finalization into @bitgo/utxo-staking. Refs: WAL-2022
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OttoAllmendinger
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September 4, 2026 20:28
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Move native PoX-5 branch classification, locktime and sequence policy, preimage
preparation, and witness finalization into @bitgo/utxo-staking.