btc(g2): AutoRatchet rig-free SIM KAT — arms staged-migration C2/C3/C4 - #440
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Mirror of DGB #427 --sim-votes for BTC: gives the G2 staged-migration harness (scripts/btc_g2_ratchet_staged_migration_harness.sh) a rig-free verdict source for its C2/C3/C4 rows, which were GATED on a SHA256d rig window because BTC had no AutoRatchet sim KAT (DGB proves the same rows via its existing AutoRatchet KATs). Authorized as path (b). C2 VOTING mints the V35 baseline while voting V36 (empty-tracker bootstrap) C3 #288 accept gate is 60%-by-WORK, and a 95%-by-COUNT activation can NOT outrun it under heterogeneous hashrate (mint-cannot-outrun-accept) — pinned via a verbatim replica of the live inline tail-guard expression in AutoRatchet::get_share_version, plus a staged 1-by-1 migration whose work tally advances monotonically and activates only at full crossing C4 ratchet state persists across restart (CONFIRMED survives reconstruct) Rides the already-allowlisted btc_share_test target (build.yml lines 71/204), so it FIRES in CI with no allowlist/drift-guard change. Test-only, btc-tree local, no consensus / shared-base / build.yml / CMake-shared surface. 6/6 new pass; full btc_share_test 21/21 green.
frstrtr
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Jun 25, 2026
…ng coins (#496) rest_version_signaling() gated on a hardcoded {LITECOIN,DOGECOIN} allowlist, returning an empty object for every other coin. But BTC/DGB/BCH are also v36-ratcheting (each wires core::version_gate / AutoRatchet: #440 BTC, #293 DGB, #255 BCH). On those nodes the dashboard crossing banner was suppressed entirely, so an operator could not see the V35->V36 cross — a charter #3 blind spot (operators must see the ratchet truthfully, cross-coin). Invert the guard to exclude only static-version coins (Dash = v16), which genuinely have no pending transition. Coins whose sharechain stats carry no vote data fall through to the existing empty-result path below, so the banner stays hidden until there is real crossing state — no false banners. Web-only, non-consensus. Co-authored-by: frstrtr <frstrtr@users.noreply.github.com>
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Mirror of DGB #427
--sim-votesfor BTC (authorized path (b)). Gives the G2 staged-migration harness a rig-free verdict source for its C2/C3/C4 rows — previously GATED on a scarce SHA256d rig window because BTC had no AutoRatchet sim KAT (DGB proves the same rows via its existing AutoRatchet KATs).What it pins (6 KATs, BTC_AutoRatchetSim):
AutoRatchet::get_share_version, plus a staged 1-by-1 migration whose work tally advances monotonically and activates only at full crossing.Fence: test-only, btc-tree-local. Rides the already-allowlisted
btc_share_testtarget (build.yml :71/:204) → FIRES in CI, no build.yml / drift-guard change. No consensus / shared-base / shared-CMake surface.Evidence: 6/6 new pass; full
btc_share_test21/21 green locally. GPG-signed, no attribution. Separate PR — does NOT touch #436 (scripts-only fence stays clean).