feat(wasm-utxo): add Zcash support #78
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Add special handling for OP_RETURN outputs, which have zero value and no address. Update tests to properly check these conditions and fix spend amount calculations accordingly. Co-authored-by: llm-git <llm-git@ttll.de>
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Implement Zcash transaction support including consensus branch ID handling, version group ID, expiry height, and ZIP-243 sighash algorithm for signatures. Add ZcashBitGoPsbt class that handles Zcash-specific transaction fields and simplifies PSBT creation with automatic branch ID determination from block height. Issue: BTC-2659 Co-authored-by: llm-git <llm-git@ttll.de>
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davidkaplanbitgo
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Dec 22, 2025
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This PR adds Zcash support to the wasm-utxo module and improves handling of
OP_RETURN outputs in the PSBT parser.
Features:
BTC-2659