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les: in server mode print latest CHT/BloomTrie at startup

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This commit is contained in:
Zsolt Felfoldi 2017-09-17 21:29:57 +02:00
parent 4b63aaa0c9
commit 8a92e0a2b2
1 changed files with 23 additions and 0 deletions
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23
les/server.go
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@ -20,6 +20,7 @@ package les
import (
"crypto/ecdsa"
"encoding/binary"
"fmt"
"math"
"sync"
@ -67,6 +68,28 @@ func NewLesServer(eth *eth.Ethereum, config *eth.Config) (*LesServer, error) {
chtIndexer: light.NewChtIndexer(eth.ChainDb(), false),
bltIndexer: light.NewBloomTrieIndexer(eth.ChainDb(), false),
}
logger := log.New()
chtV1SectionCount, _, _ := srv.chtIndexer.Sections() // indexer still uses LES/1 4k section size for backwards server compatibility
chtV2SectionCount := chtV1SectionCount / (light.ChtFrequency / light.ChtV1Frequency)
if chtV2SectionCount != 0 {
// convert to LES/2 section
chtLastSection := chtV2SectionCount - 1
// convert last LES/2 section index back to LES/1 index for chtIndexer.SectionHead
chtLastSectionV1 := (chtLastSection+1)*(light.ChtFrequency/light.ChtV1Frequency) - 1
chtSectionHead := srv.chtIndexer.SectionHead(chtLastSectionV1)
chtRoot := light.GetChtV2Root(pm.chainDb, chtLastSection, chtSectionHead)
logger.Info("CHT", "section", chtLastSection, "sectionHead", fmt.Sprintf("%064x", chtSectionHead), "root", fmt.Sprintf("%064x", chtRoot))
}
bltSectionCount, _, _ := srv.bltIndexer.Sections()
if bltSectionCount != 0 {
bltLastSection := bltSectionCount - 1
bltSectionHead := srv.bltIndexer.SectionHead(bltLastSection)
bltRoot := light.GetBloomTrieRoot(pm.chainDb, bltLastSection, bltSectionHead)
logger.Info("BloomTrie", "section", bltLastSection, "sectionHead", fmt.Sprintf("%064x", bltSectionHead), "root", fmt.Sprintf("%064x", bltRoot))
}
srv.chtIndexer.Start(eth.BlockChain())
pm.server = srv