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les, light: add block availability check for ODR requests

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This commit is contained in:
Zsolt Felfoldi
2016-12-10 06:50:36 +01:00
parent c57c54ce96
commit f12f8a6c14
7 changed files with 71 additions and 14 deletions
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9
les/server.go
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@@ -349,9 +349,8 @@ func (pm *ProtocolManager) blockLoop() {
}
var (
lastChtKey = []byte("LastChtNumber") // chtNum (uint64 big endian)
chtPrefix = []byte("cht") // chtPrefix + chtNum (uint64 big endian) -> trie root hash
chtConfirmations = light.ChtFrequency / 2
lastChtKey = []byte("LastChtNumber") // chtNum (uint64 big endian)
chtPrefix = []byte("cht") // chtPrefix + chtNum (uint64 big endian) -> trie root hash
)
func getChtRoot(db ethdb.Database, num uint64) common.Hash {
@@ -372,8 +371,8 @@ func makeCht(db ethdb.Database) bool {
headNum := core.GetBlockNumber(db, headHash)
var newChtNum uint64
if headNum > chtConfirmations {
newChtNum = (headNum - chtConfirmations) / light.ChtFrequency
if headNum > light.ChtConfirmations {
newChtNum = (headNum - light.ChtConfirmations) / light.ChtFrequency
}
var lastChtNum uint64