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RFC-0167: Snowbridge Circuit Breaker#167

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claravanstaden wants to merge 4 commits into
polkadot-fellows:mainfrom
claravanstaden:rfc-snowbridge-circuit-breakers
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RFC-0167: Snowbridge Circuit Breaker#167
claravanstaden wants to merge 4 commits into
polkadot-fellows:mainfrom
claravanstaden:rfc-snowbridge-circuit-breakers

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@claravanstaden

@claravanstaden claravanstaden commented May 28, 2026

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Adds automatic per-asset rate-limiting to Snowbridge. Velocity caps on the Ethereum Gateway and the AssetHub frontend track net flow per asset over a rolling window; an asset that exceeds its cap is temporarily locked, and the lockdown auto-lifts after the window. Cap-tripped messages are deferred rather than consumed, so user funds aren't stranded. Cap values are set per asset by community governance vote.

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Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
@claravanstaden claravanstaden force-pushed the rfc-snowbridge-circuit-breakers branch from 71d8bda to a752f0b Compare May 28, 2026 10:38
@claravanstaden claravanstaden marked this pull request as ready for review May 28, 2026 13:05
@anaelleltd anaelleltd added the Proposed Is awaiting 3 formal reviews. label May 29, 2026
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