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EIP-3675: fix mixDigest validation 

because EIP-4399 override mixDigest validation rule,
there is no need to check mixDigest == ZERO_HASH
`mixDigest` will carry POS block randomness value
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jangko 2022-02-08 16:50:22 +07:00
parent ec59c691aa
commit 4846405c0e
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1 changed files with 3 additions and 2 deletions
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nimbus/p2p/validate.nim
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@ -110,8 +110,9 @@ proc validateHeader(db: BaseChainDB; header, parentHeader: BlockHeader;
return err("header extra data should be marked DAO")
if ttdReached:
if not header.mixDigest.isZeroMemory:
return err("Non-zero mix hash in a post-merge block")
# EIP-4399 and EIP-3675
# no need to check mixDigest because EIP-4399 override this field
# checking rule
if not header.difficulty.isZero:
return err("Non-zero difficulty in a post-merge block")