feat: Add a `cooling_down` flag to `SubnetTopology` - #10910

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mraszyk wants to merge 29 commits into

mraszyk/subnet-cooling-down

Commits on Jul 27, 2026

feat(replicated-state): Add a `cooling_down` flag to `SubnetTopology`

mraszyk
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claude
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a9197f8
test: Close the coverage gaps for subnet cooling down

mraszyk
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claude
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efb87e5
test: Do not over-claim that a cooling down subnet runs no canister code

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claude
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7416d50
Potential fix for pull request finding

mraszyk
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Copilot
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b633ed8
fix: Do not reject `stop_canister` requests while a subnet is cooling down

mraszyk
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claude
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ef932c9
docs: Correct the `stop_canister` note on `SubnetTopology::cooling_down`

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claude
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6b19532
fix(messaging): Let the engine boundary check take precedence over cooling down

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claude
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0c48cd6
fix(messaging): Also let the engine boundary check precede cooling down for refunds

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claude
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014ed59
test: Reduce duplication in the subnet cooling down tests

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claude
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0d25c51
refactor: Drop the subnet cooling down changes around `stop_canister`

mraszyk
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claude
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e5e1962
docs: A cooling down subnet drains its *subnet* messages

mraszyk
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claude
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9d2a086

Commits on Jul 28, 2026

refactor: Reuse `is_illegal_engine_msg` in the engine boundary match arms

mraszyk
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claude
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98934b6
test: Matrix over deadline and cycles in the cooling down tests

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claude
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548ad34
test: Parameterize `new_cooling_down_fixture` by subnet type

mraszyk
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claude
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686a65e

Commits on Aug 11, 2026

refactor: Drop the subnet cooling down changes in the scheduler

mraszyk
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claude
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42b96c6
fix(messaging): Retain requests to a cooling down subnet, just like responses

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claude
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9b83de5
fix(messaging): Always route the subnet's own output queues while cooling down

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claude
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6a469b1
docs: Fix the `cooling_down` comment to not claim execution stops

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claude
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4365e63
refactor: Drop the unrelated `process_stopping_canisters` comment changes

mraszyk
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claude
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6f2f945
Apply suggestions from code review

mraszyk
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alin-at-dfinity
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1dcaa2f
refactor: Apply review suggestions for subnet cooling down

mraszyk
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claude
committed
4f8c158

Commits on Aug 12, 2026

Merge remote-tracking branch 'origin/master' into mraszyk/subnet-cooling-down
mraszyk
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78a8956
fix: Set `cooling_down` in the `SubnetTopology` added by master

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claude
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6def979
docs: Clarify that the ingress filter cooling down check is best effort

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claude
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800ae16
docs: A cooling down subnet does induct XNet messages

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claude
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36d4768
doc comment on cooling_down
mraszyk
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d02f44b
test: Drop `build_streams_retains_messages_behind_message_to_cooling_down_subnet`

mraszyk
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claude
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b6ed653
test: Cover the loopback stream in `build_streams_retains_messages_to_cooling_down_subnet`

mraszyk
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claude
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edc28d7
fix(messaging): Only exempt the subnet's own output queues while cooling down

mraszyk
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claude
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3a84275