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ethereum / go-ethereum

Go implementation of the Ethereum protocol
https://geth.ethereum.org
GNU Lesser General Public License v3.0
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Mining error: incorrect total difficulty #712

Closed tinybike closed 9 years ago

tinybike commented 9 years ago

I'm running geth v. 0.9.9 (installed from ppa) on two Ubuntu 14.04 machines. On one machine mining with geth --rpc --mine works beautifully. On the other, when I start the miner I get this error (many many times):

I0414 03:32:03.649881    4723 chain_manager.go:548] imported 1 block(s) 0 queued in 7.320234ms. #95935 [06983bf4 / 06983bf4]
I0414 03:32:03.649972    4723 errors.go:82] [Blockpool] ERROR: Incorrect Total Difficulty: on block 6331366534313131 291935194085 =?= 279304343289

I tried deleting /tmp/dag but after generating the new DAG I get the same error again. I just re-deleted /tmp/dag and this time also deleted blockchain, extra, and state directories from ~/.ethereum and am now waiting for the DAG to regenerate.

obscuren commented 9 years ago

It's fine, you've got nothing to worry about. Operation is normal

@zelig please get rid of that error message :-)

tinybike commented 9 years ago

Great, thanks for the heads-up. Should we leave this open until the error message is deleted?

obscuren commented 9 years ago

Yup. Leave open until @zelig has addressed this

zelig commented 9 years ago

see https://github.com/ethereum/go-ethereum/issues/706#issuecomment-92772575 for some background. I want to leave this warning in though but maybe report only once per batch insert and suspend peer (demote and remember not to promote) but not disconnect. OK?

zelig commented 9 years ago

believe its fixed in https://github.com/ethereum/go-ethereum/commit/72d065d49102dd07c929d1e147186604c5e4ab05