This SCCP proposes to increase the
rateStalePeriod on optimism from 5400 seconds to 86400 seconds.
rateStalePeriod is the number of seconds since the last chainlink price push beyond which exchanges and perps interactions are disabled.
The main motivation is to accomodate the new perp markets that have a higher chainlink heartbeat. Note that the risk on the debt pool and traders is minimal due to the low deviations (20 bp) on all chainlink feeds.
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