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authorPéter Szilágyi <peterke@gmail.com>2018-02-06 00:40:32 +0800
committerFelix Lange <fjl@users.noreply.github.com>2018-02-06 00:40:32 +0800
commit55599ee95d4151a2502465e0afc7c47bd1acba77 (patch)
tree4165e73ae852db4f025a5ed57f0bc499e87cb8b9 /cmd/utils/cmd.go
parent59336283c0dbeb1d0a74ff7a8b717b2b3bb0cf40 (diff)
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core, trie: intermediate mempool between trie and database (#15857)
This commit reduces database I/O by not writing every state trie to disk.
Diffstat (limited to 'cmd/utils/cmd.go')
-rw-r--r--cmd/utils/cmd.go26
1 files changed, 17 insertions, 9 deletions
diff --git a/cmd/utils/cmd.go b/cmd/utils/cmd.go
index 23b10c2d7..53cdf7861 100644
--- a/cmd/utils/cmd.go
+++ b/cmd/utils/cmd.go
@@ -116,7 +116,6 @@ func ImportChain(chain *core.BlockChain, fn string) error {
return err
}
}
-
stream := rlp.NewStream(reader, 0)
// Run actual the import.
@@ -150,25 +149,34 @@ func ImportChain(chain *core.BlockChain, fn string) error {
if checkInterrupt() {
return fmt.Errorf("interrupted")
}
- if hasAllBlocks(chain, blocks[:i]) {
+ missing := missingBlocks(chain, blocks[:i])
+ if len(missing) == 0 {
log.Info("Skipping batch as all blocks present", "batch", batch, "first", blocks[0].Hash(), "last", blocks[i-1].Hash())
continue
}
-
- if _, err := chain.InsertChain(blocks[:i]); err != nil {
+ if _, err := chain.InsertChain(missing); err != nil {
return fmt.Errorf("invalid block %d: %v", n, err)
}
}
return nil
}
-func hasAllBlocks(chain *core.BlockChain, bs []*types.Block) bool {
- for _, b := range bs {
- if !chain.HasBlock(b.Hash(), b.NumberU64()) {
- return false
+func missingBlocks(chain *core.BlockChain, blocks []*types.Block) []*types.Block {
+ head := chain.CurrentBlock()
+ for i, block := range blocks {
+ // If we're behind the chain head, only check block, state is available at head
+ if head.NumberU64() > block.NumberU64() {
+ if !chain.HasBlock(block.Hash(), block.NumberU64()) {
+ return blocks[i:]
+ }
+ continue
+ }
+ // If we're above the chain head, state availability is a must
+ if !chain.HasBlockAndState(block.Hash(), block.NumberU64()) {
+ return blocks[i:]
}
}
- return true
+ return nil
}
func ExportChain(blockchain *core.BlockChain, fn string) error {