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Merge pull request #707 from nspcc-dev/skip-outdated-headers-on-add

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core: don't reverify stale headers in addHeader
This commit is contained in:
Roman Khimov 2020-03-03 15:43:40 +03:00 committed by GitHub
commit 032cb513a6
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2 changed files with 15 additions and 2 deletions
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15
pkg/core/blockchain.go
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@ -333,17 +333,30 @@ func (bc *Blockchain) AddBlock(block *block.Block) error {
}
// AddHeaders processes the given headers and add them to the
// HeaderHashList.
// HeaderHashList. It expects headers to be sorted by index.
func (bc *Blockchain) AddHeaders(headers ...*block.Header) error {
return bc.addHeaders(bc.config.VerifyBlocks, headers...)
}
// addHeaders is an internal implementation of AddHeaders (`verify` parameter
// tells it to verify or not verify given headers).
func (bc *Blockchain) addHeaders(verify bool, headers ...*block.Header) (err error) {
var (
start = time.Now()
batch = bc.dao.store.Batch()
)
if len(headers) > 0 {
var i int
curHeight := bc.HeaderHeight()
for i = range headers {
if headers[i].Index > curHeight {
break
}
}
headers = headers[i:]
}
if len(headers) == 0 {
return nil
} else if verify {

2
pkg/core/blockchain_test.go
View file

@ -30,7 +30,7 @@ func TestAddHeaders(t *testing.T) {
assert.Equal(t, h3.Hash(), bc.CurrentHeaderHash())
// Add them again, they should not be added.
require.Error(t, bc.AddHeaders(h3, h2, h1))
require.NoError(t, bc.AddHeaders(h3, h2, h1))
assert.Equal(t, h3.Index, bc.HeaderHeight())
assert.Equal(t, uint32(0), bc.BlockHeight())