I'm downloading the blockchain from scratch, and it's been stuck at 2442432 for a couple of hours now.
The chain structure keeps on downloading though. Is there a way to find out how much of that is left before the blocks continue?
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I have this issue, blocks are not downloading and chain structure keeps climbing and climbing. I'm using mist 0.8.6 on win7 64bit – Samuel Hawksby-Robinson Oct 17 '16 at 9:53
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I experienced a similar issue while testing a clean local install of Mist Wallet and Ethereum.
This is very likely the result of the large amount of spam-generated state from the recent attacks (which is displayed as "chain structure" in the Mist splash screen).
"You're not stuck in a loop; the attacker created a lot of state. It'll finish eventually, and the forthcoming second fork [EIP158 State Clearing HardFork] will reduce the state a lot." - Nick Johnson
https://www.reddit.com/r/ethereum/comments/584epf/stuck_on_block_downloading_chain_structure/
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Thanks for the info! I'll have to delete the chain and start over since I gave up a couple of days ago. I'm glad I'm not stuck in a loop though and hopefully the Hard Fork will help. – radekradekradek Oct 19 '16 at 13:22
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Okay, I understand downloading block; but what does "downloading chain structure" mean? How are they different? – NealWalters Jul 20 '17 at 23:23
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2"Chain structure" is the Patricia Merckel trie states. The fast sync needs to pause to download all of that before pivoting to classical synchronization. See github.com/ethereum/go-ethereum/pull/1889 – DirtStats Sep 28 '17 at 4:09
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I'm trying to learn more about this chain structure, see also my question and partial answer: ethereum.stackexchange.com/questions/27125/… – DirtStats Jan 3 '18 at 16:09
