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core: changed log message for forks. closes #952

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obscuren 2015-05-13 22:27:18 +02:00
parent 060a07cf69
commit b19bf3ec78
1 changed files with 13 additions and 11 deletions
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24
core/chain_manager.go
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@ -573,13 +573,6 @@ func (self *ChainManager) InsertChain(chain types.Blocks) (int, error) {
if block.Td.Cmp(self.td) > 0 {
// Check for chain forks. If H(block.num - 1) != block.parent, we're on a fork and need to do some merging
if previous := self.getBlockByNumber(block.NumberU64() - 1); previous.Hash() != block.ParentHash() {
chash := cblock.Hash()
hash := block.Hash()
if glog.V(logger.Info) {
glog.Infof("Split detected. New head #%v (%x) TD=%v, was #%v (%x) TD=%v\n", block.Header().Number, hash[:4], block.Td, cblock.Header().Number, chash[:4], self.td)
}
// during split we merge two different chains and create the new canonical chain
self.merge(previous, block)
@ -636,17 +629,21 @@ func (self *ChainManager) InsertChain(chain types.Blocks) (int, error) {
// diff takes two blocks, an old chain and a new chain and will reconstruct the blocks and inserts them
// to be part of the new canonical chain.
func (self *ChainManager) diff(oldBlock, newBlock *types.Block) types.Blocks {
glog.V(logger.Debug).Infof("Applying diff to %x & %x\n", oldBlock.Hash().Bytes()[:4], newBlock.Hash().Bytes()[:4])
var newChain types.Blocks
var (
newChain types.Blocks
commonBlock *types.Block
oldStart = oldBlock
newStart = newBlock
)
// first find common number
for newBlock = newBlock; newBlock.NumberU64() != oldBlock.NumberU64(); newBlock = self.GetBlock(newBlock.ParentHash()) {
newChain = append(newChain, newBlock)
}
glog.V(logger.Debug).Infoln("Found common number", newBlock.Number())
numSplit := newBlock.Number()
for {
if oldBlock.Hash() == newBlock.Hash() {
commonBlock = oldBlock
break
}
newChain = append(newChain, newBlock)
@ -654,6 +651,11 @@ func (self *ChainManager) diff(oldBlock, newBlock *types.Block) types.Blocks {
oldBlock, newBlock = self.GetBlock(oldBlock.ParentHash()), self.GetBlock(newBlock.ParentHash())
}
if glog.V(logger.Info) {
commonHash := commonBlock.Hash()
glog.Infof("Fork detected @ %x. Reorganising chain from #%v %x to %x", commonHash[:4], numSplit, oldStart.Hash().Bytes()[:4], newStart.Hash().Bytes()[:4])
}
return newChain
}