Draft (Umbrella): keep-core FROST/ROAST migration scaffold tracker (not for direct merge)#3866

Draft

mswilkison wants to merge 107 commits intomainfrom

feat/frost-schnorr-migration-scaffold

Commits on Feb 19, 2026

Add FROST migration scaffold package and RFC

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Set Schnorr/FROST RFC author to Threshold Labs

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Commits on Feb 20, 2026

Wire tbtc runtime signing flow to frost signature types

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Add FROST retry and coordinator attempt metadata path

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Fix triplet retry eligibility to use third operator seat count

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Add pluggable FROST signing backend execution seam

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Wire tbtc config to selectable FROST signing backend

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Add native FROST signing backend scaffold

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Expose tbtc FROST signing backend CLI flag

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Add build-tagged native FROST adapter bootstrap

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Test FROST backend selection in node startup

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Execute native-tag FROST adapter via legacy bridge

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Harden backend-state test guidance after interim review

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Add native bridge scaffold with fallback routing

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Split native and ffi backend fallback semantics

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Fail fast for strict ffi mode availability

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Add dynamic native bridge registration for ffi

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Register build-tagged bridge for strict ffi path

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frost/signing: add ffi executor registration path

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frost/signing: restore mode on failed backend selection

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frost/signing: decouple request signer material from tecdsa share

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frost/tbtc: thread generic signer material through execute request

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frost/signing: add native signer material and ffi adapter contract

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Commits on Feb 21, 2026

frost/signing: include transport context in ffi adapter request

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tbtc: persist native signer material envelope in signer state

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frost/native: fallback when ffi signer material is unavailable

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tbtc: add signer-material resolver hook for dkg signer creation

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frost/native: add provider-based build registration hooks

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frost/native: wire default transitional provider integrations

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tbtc: resolve legacy signer material through build resolver on load

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tbtc: add frost-native legacy roundtrip migration test

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tbtc: recover legacy key share from native envelope on load

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tbtc: synchronize signing-done state and retransmission backoff ticks

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frost/native: add v2 native round-signing protocol path

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tbtc: validate strict ffi path with v2 signer material

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Add build-tagged UniFFI native FROST signing engine scaffold

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tbtc: thread canonical wallet ID compatibility through chain models

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tbtc: refresh bridge bindings and wire canonical wallet IDs

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tbtc: keep bridge address embed placeholder empty

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Commits on Feb 22, 2026

tbtc: lower expected wallet closure resolution miss to debug

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tbtc: add wallet-id fallback coverage for ethereum adapter

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Commits on Feb 23, 2026

Commits on Feb 24, 2026

Commits on Feb 25, 2026

Commits on Feb 26, 2026

Commits on Feb 27, 2026

Commits on Mar 1, 2026

test(frost): add Gemini audit coverage for ffi error payloads
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