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Chaos Labs:Aave 约 2700 万美元清算事件系 CAPO 风险预言机配置问题所致

2026-03-11 09:20:03

ChainCatcher 消息,据 Chaos Labs 发布的分析报告,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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