{"id":257249,"date":"2022-08-24T10:20:14","date_gmt":"2022-08-24T09:20:14","guid":{"rendered":"https:\/\/cryptoslate.com\/?p=257249"},"modified":"2022-08-28T13:43:08","modified_gmt":"2022-08-28T12:43:08","slug":"developers-find-bugs-in-2-ethereum-clients-mainnet-merge-updates","status":"publish","type":"post","link":"https:\/\/cryptoslate.com\/developers-find-bugs-in-2-ethereum-clients-mainnet-merge-updates\/","title":{"rendered":"Developers discover and fix bugs in 2 Ethereum clients&#8217; mainnet merge updates"},"content":{"rendered":"<p><em>Update: The developer has responded to CryptoSlate with notification of the bugs being fixed.<\/em><\/p>\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\">\n<p lang=\"en\" dir=\"ltr\">The fix was already released \ud83d\ude42<\/p>\n<p>&mdash; P\u00e9ter Szil\u00e1gyi (karalabe.eth) (@peter_szilagyi) <a href=\"https:\/\/twitter.com\/peter_szilagyi\/status\/1562373213258129408?ref_src=twsrc%5Etfw\">August 24, 2022<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<p>Two Ethereum clients, Nethermind and Go Ethereum, have discovered bugs in their mainnet <a href=\"https:\/\/cryptoslate.com\/ethereum-merge-plans-in-full-swing-as-teku-releases-update\/\">merge updates<\/a>.<\/p>\n<p>Ethereum developer <span class=\"s4\">P\u00e9ter Szil\u00e1gyi<\/span> first noticed the bugs and announced via Twitter that Geth 1.10.22 \u2014 Promavess \u2014 contains a regression.<\/p>\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\">\n<p lang=\"en\" dir=\"ltr\">Aaand our latest release is borked. \ud83d\ude15 Geth 1.10.22 contains a regression that causes the trie\/state to go bad. Most probably it&#39;s one of the PRs we&#39;ve merged towards the new storage model \/ online pruner. Trying to find and fix the issue.<\/p>\n<p>&mdash; P\u00e9ter Szil\u00e1gyi (karalabe.eth) (@peter_szilagyi) <a href=\"https:\/\/twitter.com\/peter_szilagyi\/status\/1561947614471507968?ref_src=twsrc%5Etfw\">August 23, 2022<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<p>He added that it is likely one of the PRs (pull request) &#8220;merged towards the new storage model \/ online pruner.&#8221;<\/p>\n<p>The issue has yet to be resolved as of press time, but developers are actively working on a fix.<\/p>\n<p>A later update confirmed that the issue might lead anyone running the release to lose their data and their database corrupted. But the &#8220;data loss happens only on shutdown.&#8221;<\/p>\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\">\n<p lang=\"en\" dir=\"ltr\">FWIW, definitely found and fixed a bug. Lets see if this was *the* bug, or if we&#39;re opening a can of worms here. <a href=\"https:\/\/t.co\/5xBCPMoxAQ\">https:\/\/t.co\/5xBCPMoxAQ<\/a><\/p>\n<p>&mdash; P\u00e9ter Szil\u00e1gyi (karalabe.eth) (@peter_szilagyi) <a href=\"https:\/\/twitter.com\/peter_szilagyi\/status\/1562144232072220673?ref_src=twsrc%5Etfw\">August 23, 2022<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<h2>Nethermind reveals bug<\/h2>\n<p>Nethermind core developer DanielC also <span class=\"s4\">confirmed<\/span> that a similar bug was discovered in the client's mainnet merge update v1.14.0. But in their case, they have been able to fix it.<\/p>\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\">\n<p lang=\"en\" dir=\"ltr\">Recently we&#39;ve had similar regressions in <a href=\"https:\/\/twitter.com\/nethermindeth?ref_src=twsrc%5Etfw\">@nethermindeth<\/a> so we&#39;ve decided to switch to a strict stabilization phase before <a href=\"https:\/\/twitter.com\/hashtag\/TheMerge?src=hash&ref_src=twsrc%5Etfw\">#TheMerge<\/a>. We merge only fixes to the master branch currently. <a href=\"https:\/\/t.co\/erzgN1Z0wV\">https:\/\/t.co\/erzgN1Z0wV<\/a><\/p>\n<p>&mdash; DanielC (@_D4nie1_) <a href=\"https:\/\/twitter.com\/_D4nie1_\/status\/1561972072494120961?ref_src=twsrc%5Etfw\">August 23, 2022<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<p>However, the bugs are unlikely to stop the Merge or delay it from happening on September 15 because there are several other execution clients on Ethereum. However, it would require validators to use Geth to switch to other clients.<\/p>\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\">\n<p lang=\"qme\" dir=\"ltr\"><a href=\"https:\/\/t.co\/kdI8k9Nvrg\">https:\/\/t.co\/kdI8k9Nvrg<\/a><\/p>\n<p>&mdash; Micah Zoltu (@MicahZoltu) <a href=\"https:\/\/twitter.com\/MicahZoltu\/status\/1561974930157096960?ref_src=twsrc%5Etfw\">August 23, 2022<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<p>So far, many of these execution clients, such as Teku, Lighthouse, Besu, Erigon, and Prysm, have released new updates in preparation for the Merge.<\/p>\n<h2>Sepolia testnet gets update<\/h2>\n<p>Sepolia <a href=\"https:\/\/sepolia.etherscan.io\/block\/1735371\">completed<\/a> the first Ethereum testnet post-merge <a href=\"https:\/\/blog.ethereum.org\/2022\/08\/03\/sepolia-post-merge-upgrade\/'\">update<\/a> on August 22.<\/p>\n<p>The update was initially slated for August 17 but shifted to August 22 to allow offline validators to connect to the network.<\/p>\n<p>The Sepolia testnet successfully merged with the beacon chain on July 6\u00a0 \u2014 making it one of the first testnets to transition to proof-of-stake.<\/p>\n<p>According to the Ethereum community, every upgrade is important to ensure that the PoS migration runs smoothly.<\/p>\n<p>Meanwhile, the <a href=\"https:\/\/cryptoslate.com\/companies\/ethereum-foundation\/\">Ethereum Foundation<\/a> <a href=\"https:\/\/cryptoslate.com\/ethereum-foundation-addresses-gas-fees-misconception-others-in-new-merge-update\/\">cleared<\/a> misconceptions surrounding the blockchain's transition to a PoS network. According to its update, gas fees will not become cheaper, nor will its transaction speed become &#8220;noticeably faster.&#8221;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Update: The developer has responded to CryptoSlate with notification of the bugs being fixed. The fix was already released \ud83d\ude42 &mdash; P\u00e9ter Szil\u00e1gyi (karalabe.eth) (@peter_szilagyi) August 24, 2022 Two Ethereum clients, Nethermind and Go Ethereum, have discovered bugs in their mainnet merge updates. Ethereum developer P\u00e9ter Szil\u00e1gyi first noticed the bugs and announced via Twitter [&hellip;]<\/p>\n","protected":false},"author":720,"featured_media":257271,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[61713],"tags":[72190,77633,77246],"prediction_market_topic":[],"post_folder":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.9 (Yoast SEO v21.9.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Developers discover and fix bugs in 2 Ethereum clients&#039; mainnet merge updates<\/title>\n<meta name=\"description\" content=\"Developers have noticed bugs in the Ethereum merge updates from Go Ethereum and Nethermind. 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