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-rw-r--r--core/blockchain.go7
-rw-r--r--core/headerchain.go13
2 files changed, 15 insertions, 5 deletions
diff --git a/core/blockchain.go b/core/blockchain.go
index 207c21a65..a57832df0 100644
--- a/core/blockchain.go
+++ b/core/blockchain.go
@@ -1313,6 +1313,11 @@ Error: %v
// of the header retrieval mechanisms already need to verify nonces, as well as
// because nonces can be verified sparsely, not needing to check each.
func (self *BlockChain) InsertHeaderChain(chain []*types.Header, checkFreq int) (int, error) {
+ start := time.Now()
+ if i, err := self.hc.ValidateHeaderChain(chain, checkFreq); err != nil {
+ return i, err
+ }
+
// Make sure only one thread manipulates the chain at once
self.chainmu.Lock()
defer self.chainmu.Unlock()
@@ -1328,7 +1333,7 @@ func (self *BlockChain) InsertHeaderChain(chain []*types.Header, checkFreq int)
return err
}
- return self.hc.InsertHeaderChain(chain, checkFreq, whFunc)
+ return self.hc.InsertHeaderChain(chain, whFunc, start)
}
// writeHeader writes a header into the local chain, given that its parent is
diff --git a/core/headerchain.go b/core/headerchain.go
index a3d622087..57da9771b 100644
--- a/core/headerchain.go
+++ b/core/headerchain.go
@@ -219,7 +219,8 @@ type WhCallback func(*types.Header) error
// should be done or not. The reason behind the optional check is because some
// of the header retrieval mechanisms already need to verfy nonces, as well as
// because nonces can be verified sparsely, not needing to check each.
-func (hc *HeaderChain) InsertHeaderChain(chain []*types.Header, checkFreq int, writeHeader WhCallback) (int, error) {
+
+func (hc *HeaderChain) ValidateHeaderChain(chain []*types.Header, checkFreq int) (int, error) {
// Do a sanity check that the provided chain is actually ordered and linked
for i := 1; i < len(chain); i++ {
if chain[i].Number.Uint64() != chain[i-1].Number.Uint64()+1 || chain[i].ParentHash != chain[i-1].Hash() {
@@ -231,9 +232,6 @@ func (hc *HeaderChain) InsertHeaderChain(chain []*types.Header, checkFreq int, w
chain[i-1].Hash().Bytes()[:4], i, chain[i].Number, chain[i].Hash().Bytes()[:4], chain[i].ParentHash[:4])
}
}
- // Collect some import statistics to report on
- stats := struct{ processed, ignored int }{}
- start := time.Now()
// Generate the list of headers that should be POW verified
verify := make([]bool, len(chain))
@@ -309,6 +307,13 @@ func (hc *HeaderChain) InsertHeaderChain(chain []*types.Header, checkFreq int, w
}
}
}
+
+ return 0, nil
+}
+
+func (hc *HeaderChain) InsertHeaderChain(chain []*types.Header, writeHeader WhCallback, start time.Time) (int, error) {
+ // Collect some import statistics to report on
+ stats := struct{ processed, ignored int }{}
// All headers passed verification, import them into the database
for i, header := range chain {
// Short circuit insertion if shutting down