diff options
Diffstat (limited to 'core')
| -rw-r--r-- | core/blockchain.go | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/core/blockchain.go b/core/blockchain.go index 2a59bb2e7..0c752b3f9 100644 --- a/core/blockchain.go +++ b/core/blockchain.go @@ -1143,13 +1143,16 @@ func (self *BlockChain) reorg(oldBlock, newBlock *types.Block) error { } } // Ensure the user sees large reorgs - logFn := log.Debug - if len(oldChain) > 63 { - logFn = log.Warn + if len(oldChain) > 0 && len(newChain) > 0 { + logFn := log.Debug + if len(oldChain) > 63 { + logFn = log.Warn + } + logFn("Chain split detected", "number", commonBlock.Number(), "hash", commonBlock.Hash(), + "drop", len(oldChain), "dropfrom", oldChain[0].Hash(), "add", len(newChain), "addfrom", newChain[0].Hash()) + } else { + log.Error("Impossible reorg, please file an issue", "oldnum", oldBlock.Number(), "oldhash", oldBlock.Hash(), "newnum", newBlock.Number(), "newhash", newBlock.Hash()) } - logFn("Chain split detected", "number", commonBlock.Number(), "hash", commonBlock.Hash(), - "drop", len(oldChain), "dropfrom", oldChain[0].Hash(), "add", len(newChain), "addfrom", newChain[0].Hash()) - var addedTxs types.Transactions // insert blocks. Order does not matter. Last block will be written in ImportChain itself which creates the new head properly for _, block := range newChain { |