Aave 约2700万美元清算事件系 CAPO 预言机配置问题所致

AAVE-1,24%
ETH-1,95%

Gate News 消息,3 月 11 日,Chaos Labs 分析显示,近期 Aave 发生的约2700万美元清算事件系 CAPO 风险预言机配置问题所致。根本原因在于智能合约层面的更新约束不一致:snapshotRatio 参数受限于每3天仅能增长3%的链上约束,无法从约1.1572直接更新至目标值约1.2282,只能增至约1.1919;而 snapshotTimestamp 却成功更新至7天前的时间戳。这种比率与时间戳的错位导致 CAPO 计算出的汇率上限(约1.1939)低于实际市场汇率约2.85%,触发了约10938枚 wstETH 的清算。事件中协议未产生坏账。Chaos Labs 与 BGD Labs 已立即将受影响实例的 wstETH 借款上限降至1,并通过 Risk Steward 手动对齐参数恢复汇率。通过 BuilderNet 已收回141.5 ETH,将用于补偿受影响用户,剩余部分由 Aave 财库覆盖,预计需要由 DAO 临时补偿的金额不超过345 ETH。

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