It works by maintaining a whitelist of price feed contracts that are authorized to post price updates.
Every time a new list of prices is received, the median of these is computed and used to update the stored value in the Maker Protocol.
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它通过维护授权发布价格更新的价格馈送合同白名单来工作。
每次收到新的价格列表时，都会计算这些价格的中位数并用于更新 Maker 协议中的存储值。
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