Replace Nonce with Key Protection in MevShield #2233
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JohnReedV
added
skip-cargo-audit
sam0x17
approved these changes
Dec 1, 2025
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Description
This PR modifies the
MevShieldpallet so that replay attacks are prevented by theCurrentKeyrather than the signing account's nonce.Also prunes expired
Submissionentries.Requires both runtime and node upgrades.