cosensus, core, eth, params, trie: fixes + clique history cap

This commit is contained in:
Péter Szilágyi
2019-05-15 14:33:33 +03:00
parent 37d280da41
commit 536b3b416c
12 changed files with 112 additions and 53 deletions

View File

@ -365,8 +365,11 @@ func (c *Clique) snapshot(chain consensus.ChainReader, number uint64, hash commo
break
}
}
// If we're at an checkpoint block, make a snapshot if it's known
if number == 0 || (number%c.config.Epoch == 0 && chain.GetHeaderByNumber(number-1) == nil) {
// If we're at the genesis, snapshot the initial state. Alternatively if we're
// at a checkpoint block without a parent (light client CHT), or we have piled
// up more headers than allowed to be reorged (chain reinit from a freezer),
// consider the checkpoint trusted and snapshot it.
if number == 0 || (number%c.config.Epoch == 0 && (len(headers) > params.ImmutabilityThreshold || chain.GetHeaderByNumber(number-1) == nil)) {
checkpoint := chain.GetHeaderByNumber(number)
if checkpoint != nil {
hash := checkpoint.Hash()