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by arberx 1897 days ago
Back up and running: https://forkmon.ethdevops.io/

Might take a bit to sync

1 comments

It's not fixed yet, the OE instance in forkmon was syncing the whole time and hasn't hit the issue yet.
You sure? Thought it was in a failed state earlier?

I think a block recently processed on OE, that's why it's showing as good.

But yeah, don't think it's fixed yet.

Looks like some really subtle and (as far as I can tell) undocumented aspect of Ethereum internals tripped them up.
They didn't properly implement EIP-2929 (https://eips.ethereum.org/EIPS/eip-2929). I looked at the first section of the code diff in the PR and it matched up with stuff already documented in the EIP, so I wouldn't assume the issue was because of undocumented stuff. Multiple other Ethereum implementations managed to implement the EIP-2929 spec correctly.
386 files changed? This has to include more than just the fix, right?
Looks like they've extracted it to a separate hotfix PR here:

https://github.com/openethereum/openethereum/pull/366

Shouldn't at least a unit test be added before accepting a pull request?

We're talking about 15% of a 300 billion dollar currency.

I have written tests for smaller things than that.