Detect invalid proposer signature on RPC block processing #6519
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pawanjay176
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Tests are failing |
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This is ready for review. Motivation: used by #6321 to not re-download a block that has invalid body signature(s) |
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pawanjay176
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Jan 27, 2025
Co-authored-by: Pawan Dhananjay <pawandhananjay@gmail.com>
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Issue Addressed
Complements
by detecting if the proposer signature is valid or not during RPC block processing. In lookup sync, if the invalid signature signature is the proposer signature, it's not deterministic on the block root. So we should only penalize the sending peer and retry. Otherwise, if it's on the body we should drop the lookup and penalize all peers that claim to have imported the block