Silent Payments - Phase1#131

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odudex wants to merge 15 commits into

diybitcoinhardware:masterfrom

odudex:feat/sp-phase1

Commits on May 29, 2026

Initial BIP-352 support

kdmukai
authored and
odudex
committed
Add labeled SP addrs

kdmukai
authored and
odudex
committed
bip352: restrict labels to 32-bit ints, fix formatting
odudex
committed
chore: make bech32 flexible for large payloads(sp)

notTanveer
authored and
odudex
committed
chore: replace None w error msg

notTanveer
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odudex
committed
sp checks

notTanveer
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odudex
committed
bech32: make Bech32DecodeError an EmbitError and tighten validation
odudex
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feat: silent payment send support

notTanveer
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odudex
committed
test(sp): outputs and BIP-352 test vectors

notTanveer
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odudex
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sp: make silent payment code MicroPython-safe
odudex
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feat(BIP-392): sp descriptors

notTanveer
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odudex
committed
sp descriptors: use flexible bech32, robust parsing, clearer errors
odudex
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secp256k1: implement ec_pubkey_tweak_mul and ec_pubkey_combine python fallbacks

kdmukai
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odudex
committed
secp256k1: fix mutable key in tweak functions and add ec_privkey_tweak_mul

miketlk
authored and
odudex
committed
bip352: pass bytearray to in-place pubkey tweaks in create_outputs
odudex
committed