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miner: copy pending state before handing it to callers (#3162)

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The pending state was not copied while not mining, leading to a data race.
This commit is contained in:
Nick Johnson 2016-10-18 21:34:37 +01:00 committed by Felix Lange
parent 5b262ff5ab
commit c9471e7782
1 changed files with 1 additions and 1 deletions
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2
miner/worker.go
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@ -169,7 +169,7 @@ func (self *worker) pending() (*types.Block, *state.StateDB) {
self.current.txs, self.current.txs,
nil, nil,
self.current.receipts, self.current.receipts,
), self.current.state ), self.current.state.Copy()
} }
return self.current.Block, self.current.state.Copy() return self.current.Block, self.current.state.Copy()
} }