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consensus/clique: avoid a copy in clique (#23149)

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* consensus/clique:optimize to avoid a copy in clique

* consensus/clique: test for sealhash

Co-authored-by: Martin Holst Swende <martin@swende.se>
This commit is contained in:
ucwong 2021-07-02 15:18:50 +08:00 committed by GitHub
parent 6ed812db13
commit a182c76815
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 14 additions and 1 deletions
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2
consensus/clique/clique.go
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@ -710,7 +710,7 @@ func (c *Clique) APIs(chain consensus.ChainHeaderReader) []rpc.API {
func SealHash(header *types.Header) (hash common.Hash) {
hasher := sha3.NewLegacyKeccak256()
encodeSigHeader(hasher, header)
hasher.Sum(hash[:0])
hasher.(crypto.KeccakState).Read(hash[:])
return hash
}

13
consensus/clique/clique_test.go
View File

@ -112,3 +112,16 @@ func TestReimportMirroredState(t *testing.T) {
t.Fatalf("chain head mismatch: have %d, want %d", head, 3)
}
}
func TestSealHash(t *testing.T) {
have := SealHash(&types.Header{
Difficulty: new(big.Int),
Number: new(big.Int),
Extra: make([]byte, 32+65),
BaseFee: new(big.Int),
})
want := common.HexToHash("0xbd3d1fa43fbc4c5bfcc91b179ec92e2861df3654de60468beb908ff805359e8f")
if have != want {
t.Errorf("have %x, want %x", have, want)
}
}