core: fix a race condition accessing the gas limit
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fecf214175
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d652a58ada
@ -179,7 +179,9 @@ func (self *ChainManager) Td() *big.Int {
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}
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}
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func (self *ChainManager) GasLimit() *big.Int {
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func (self *ChainManager) GasLimit() *big.Int {
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// return self.currentGasLimit
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self.mu.RLock()
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defer self.mu.RUnlock()
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return self.currentBlock.GasLimit()
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return self.currentBlock.GasLimit()
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}
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}
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@ -376,8 +378,8 @@ func (self *ChainManager) ExportN(w io.Writer, first uint64, last uint64) error
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return nil
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return nil
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}
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}
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// insert appends injects a block into the current chain block chain. Note, this
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// insert injects a block into the current chain block chain. Note, this function
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// function assumes that the `mu` mutex is held!
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// assumes that the `mu` mutex is held!
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func (bc *ChainManager) insert(block *types.Block) {
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func (bc *ChainManager) insert(block *types.Block) {
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key := append(blockNumPre, block.Number().Bytes()...)
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key := append(blockNumPre, block.Number().Bytes()...)
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bc.blockDb.Put(key, block.Hash().Bytes())
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bc.blockDb.Put(key, block.Hash().Bytes())
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