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consensus: remove seal verification from the consensus engine interface (#22274)

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This commit is contained in:
Guillaume Ballet 2021-02-05 19:44:34 +01:00 committed by GitHub
parent 7ed860d4f1
commit e74bd587f7
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 4 additions and 20 deletions
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6
consensus/clique/clique.go
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@ -434,12 +434,6 @@ func (c *Clique) VerifyUncles(chain consensus.ChainReader, block *types.Block) e
return nil
}
// VerifySeal implements consensus.Engine, checking whether the signature contained
// in the header satisfies the consensus protocol requirements.
func (c *Clique) VerifySeal(chain consensus.ChainHeaderReader, header *types.Header) error {
return c.verifySeal(chain, header, nil)
}
// verifySeal checks whether the signature contained in the header satisfies the
// consensus protocol requirements. The method accepts an optional list of parent
// headers that aren't yet part of the local blockchain to generate the snapshots

4
consensus/consensus.go
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@ -77,10 +77,6 @@ type Engine interface {
// rules of a given engine.
VerifyUncles(chain ChainReader, block *types.Block) error
// VerifySeal checks whether the crypto seal on a header is valid according to
// the consensus rules of the given engine.
VerifySeal(chain ChainHeaderReader, header *types.Header) error
// Prepare initializes the consensus fields of a block header according to the
// rules of a particular engine. The changes are executed inline.
Prepare(chain ChainHeaderReader, header *types.Header) error

2
consensus/ethash/algorithm_test.go
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@ -731,7 +731,7 @@ func TestConcurrentDiskCacheGeneration(t *testing.T) {
defer pend.Done()
ethash := New(Config{cachedir, 0, 1, false, "", 0, 0, false, ModeNormal, nil}, nil, false)
defer ethash.Close()
if err := ethash.VerifySeal(nil, block.Header()); err != nil {
if err := ethash.verifySeal(nil, block.Header(), false); err != nil {
t.Errorf("proc %d: block verification failed: %v", idx, err)
}
}(i)

8
consensus/ethash/consensus.go
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@ -288,7 +288,7 @@ func (ethash *Ethash) verifyHeader(chain consensus.ChainHeaderReader, header, pa
}
// Verify the engine specific seal securing the block
if seal {
if err := ethash.VerifySeal(chain, header); err != nil {
if err := ethash.verifySeal(chain, header, false); err != nil {
return err
}
}
@ -488,12 +488,6 @@ var FrontierDifficultyCalulator = calcDifficultyFrontier
var HomesteadDifficultyCalulator = calcDifficultyHomestead
var DynamicDifficultyCalculator = makeDifficultyCalculator
// VerifySeal implements consensus.Engine, checking whether the given block satisfies
// the PoW difficulty requirements.
func (ethash *Ethash) VerifySeal(chain consensus.ChainHeaderReader, header *types.Header) error {
return ethash.verifySeal(chain, header, false)
}
// verifySeal checks whether a block satisfies the PoW difficulty requirements,
// either using the usual ethash cache for it, or alternatively using a full DAG
// to make remote mining fast.

4
consensus/ethash/ethash_test.go
View File

@ -46,7 +46,7 @@ func TestTestMode(t *testing.T) {
case block := <-results:
header.Nonce = types.EncodeNonce(block.Nonce())
header.MixDigest = block.MixDigest()
if err := ethash.VerifySeal(nil, header); err != nil {
if err := ethash.verifySeal(nil, header, false); err != nil {
t.Fatalf("unexpected verification error: %v", err)
}
case <-time.NewTimer(4 * time.Second).C:
@ -86,7 +86,7 @@ func verifyTest(wg *sync.WaitGroup, e *Ethash, workerIndex, epochs int) {
block = 0
}
header := &types.Header{Number: big.NewInt(block), Difficulty: big.NewInt(100)}
e.VerifySeal(nil, header)
e.verifySeal(nil, header, false)
}
}