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fix: check if payload is transition payload (#2816)

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This commit is contained in:
Matthias Seitz
2023-05-24 17:33:14 +02:00
committed by GitHub
parent cffdc8dff5
commit 9da97cc4c3
1 changed files with 12 additions and 1 deletions
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13
crates/consensus/beacon/src/engine/mod.rs
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@@ -290,9 +290,20 @@ where
// If this is sent from new payload then the parent hash could be in a side chain, and is
// not necessarily canonical
if self.blockchain.header_by_hash(parent_hash).is_some() {
// parent is in side-chain: validated but not canonical yet
Some(parent_hash)
} else {
self.blockchain.find_canonical_ancestor(parent_hash)
let parent_hash = self.blockchain.find_canonical_ancestor(parent_hash)?;
let parent_header = self.blockchain.header(&parent_hash).ok().flatten()?;
// we need to check if the parent block is the last POW block, if so then the payload is
// the first POS. The engine API spec mandates a zero hash to be returned: <https://github.com/ethereum/execution-apis/blob/6709c2a795b707202e93c4f2867fa0bf2640a84f/src/engine/paris.md#engine_newpayloadv1>
if parent_header.difficulty != U256::ZERO {
return Some(H256::zero())
}
// parent is canonical POS block
Some(parent_hash)
}
}