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core: fix a race condition accessing the gas limit

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This commit is contained in:
Péter Szilágyi 2015-06-09 21:13:21 +03:00
parent fecf214175
commit d652a58ada
1 changed files with 5 additions and 3 deletions
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8
core/chain_manager.go
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@ -179,7 +179,9 @@ func (self *ChainManager) Td() *big.Int {
}
func (self *ChainManager) GasLimit() *big.Int {
// return self.currentGasLimit
self.mu.RLock()
defer self.mu.RUnlock()
return self.currentBlock.GasLimit()
}
@ -376,8 +378,8 @@ func (self *ChainManager) ExportN(w io.Writer, first uint64, last uint64) error
return nil
}
// insert appends injects a block into the current chain block chain. Note, this
// function assumes that the `mu` mutex is held!
// insert injects a block into the current chain block chain. Note, this function
// assumes that the `mu` mutex is held!
func (bc *ChainManager) insert(block *types.Block) {
key := append(blockNumPre, block.Number().Bytes()...)
bc.blockDb.Put(key, block.Hash().Bytes())