fix: apply FCU on invalid PayloadAttributes#4591
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mattsse
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Sep 13, 2023
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| let attr_validation_res = | ||
| self.validate_version_specific_fields(EngineApiMessageVersion::V2, &attrs.into()); | ||
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| // From the engine API spec: | ||
| // | ||
| // Client software MUST ensure that payloadAttributes.timestamp is greater than | ||
| // timestamp of a block referenced by forkchoiceState.headBlockHash. If this condition | ||
| // isn't held client software MUST respond with -38003: Invalid payload attributes and | ||
| // MUST NOT begin a payload build process. In such an event, the forkchoiceState | ||
| // update MUST NOT be rolled back. | ||
| // | ||
| // NOTE: This will also apply to the validation result for the shanghai-specific fields | ||
| // provided in the payload attributes. | ||
| // | ||
| // To do this, we set the payload attrs to `None` if attribute validation failed, but | ||
| // we still apply the forkchoice update. | ||
| if let Err(err) = attr_validation_res { | ||
| let fcu_res = self.inner.beacon_consensus.fork_choice_updated(state, None).await?; | ||
| // TODO: decide if we want this branch - the FCU INVALID response might be more |
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this is duplicated code, right?
I think this could be moved to a helper function instead
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Closes #4589
Makes the
Invalid PayloadAttributes: Missing BeaconRoothive test passThis will call
fork_choice_updatedwithNoneif the payload attributes fail validation.