Making transfer v2 channel unupgradable through the forwarding
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原文摘录
摘自原文(6978 字符中的一小部分)
Summary of Impact On one hand we have this upgrade functionality that has this specific check [HasInflightPackets](https://github.com/cosmos/ibc-go/blob/e10bbbc47fb70e138a3369902d18586b3da95800/modules/core/04-channel/keeper/keeper.go#L712). It looks up channel's committed packets. And if there are …
原文中的代码
ibc0Cw.ReceivePacketV2(ibc0Path, types.FungibleTokenPacketDataV2{
Tokens: []types.Token{
{
Amount: "1",
Denom: types.Denom{Base: "x"},
},
},
Memo: "",
Sender: ibc1Cw.Address(),
Receiver: ibc0Cw.Address(),
Forwarding: types.ForwardingPacketData{Hops: []types.Hop{ …默认不展示报告全文。以上为简短摘录,完整复现过程请阅读原文。版权归研究员与 Cosmos 所有。
时间线
- 报告提交
- 公开披露
阅读 HackerOne 原文 ↗作者 @unknown_feature · 版权归作者与 Cosmos 所有