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MsgSubmitBadSignatureEvidence no signer #355

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albertchon opened this issue Jun 19, 2021 · 1 comment

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albertchon commented Jun 19, 2021 •

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Surfaced by @xlab in our fork.

The msg for submitting bad signature evidence doesn't require any signature for itself. That means the chain can be spammed by myriads of transactions with this msg, and no gas fee will be applied

gravity-bridge/module/x/gravity/types/msgs.go

Line 671 in 3c4c5d1

return []sdk.AccAddress{}

xlab commented Jun 20, 2021

Worth mentioning: the only msg from Cosmos SDK that follows this pattern is MsgCreateDog.

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