BreakerBox
BreakerBox is an on-chain circuit breaker for oracles. It maintains a state for each price feed, whether trading is allowed or suspended. It is modular by design and allows for flexible addition and deletion of price feeds and individual breaking logic. Its conditions are checked and breakers are triggered if necessary by newly reported rates in SortedOracles.sol. For each requested swap, BiPoolManager.sol checks against this contract whether trading a specific pair is currently allowed or suspended.
MedianDeltaBreaker
MedianDeltaBreaker is a circuit breaker that trips when the current median oracle rate compared to an exponential moving average over previous median rates exceeds a configured relative threshold.
ValueDeltaBreaker
ValueDeltaBreaker is a circuit breaker that trips when the current median oracle rate compared to a fixed reference rate exceeds a configured relative threshold.
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