2 years ago
Following a bug in Osmosis that “allowed liquidity providers to gain an other 50% erstwhile adding and withdrawing liquidity,” the concatenation was halted to debar further harm to liquidity pools.
The decentralized speech connected the Cosmos ecosystem had $5 cardinal drained from liquidity pools aft a bug was posted to Reddit successful the week of June 6. The Osmosis squad announced that each losses would beryllium covered by the developer money if necessary. The squad declared:
“The bug itself was simple, and progressive incorrect calculation of LP shares erstwhile adding and removing liquidity from pools. It should person been caught. It was painfully overlooked successful interior investigating that was focused connected much precocious functionality related to the upgrade.”
The Osmosis squad halted the concatenation to forestall further losses. While the concatenation was offline, the squad announced it was dedicated to “ensuring this ne'er happens again.” To restart the chain, the squad needed to update “security protocols to guarantee the prime and information of Osmosis” and a “comprehensive retrospective connected unafraid improvement processes.”
Restarting the chain
Osmosis held OsmoCon astatine Consensus successful Texas connected June 9, meaning the concatenation was not operational during the event. It was scheduled for a restart astatine 4:00 p.m. UTC connected June 10. There was nary announcement via the Osmosis Twitter account, but it appears the level is backmost online. Any rewards that should person been issued during the downtime should person been published during the archetypal 5 epochs. Osmosis released the pursuing information:
Osmosis validators program to restart the concatenation Sunday astatine 16:00 UTC with a caller thoroughly tested version
The archetypal 5 blocks volition beryllium "Epoch blocks" providing rewards from during downtime
Due to consecutive epochs, processing of "normal blocks" whitethorn instrumentality up to 90 min aft commencement time
— Osmosis 
(@osmosiszone) June 12, 2022
Continued issues with Osmosis
Several users person been experiencing issues with the level since the concatenation returned online. However, CryptoSlate has tested the swap functionality, which worked arsenic intended arsenic of June 12, 9:00 p.m. GMT.
Mine went thru nary troubles
— 
Bean (@GimmeDatBean) June 12, 2022
The Osmosis squad intends to “share much in-depth investigation of what happened” erstwhile each issues are resolved. Users could expect this in-depth investigation aboriginal this week if immoderate problems that whitethorn beryllium aft restarting the concatenation person been resolved.
The station Osmosis backmost online aft fixing bug that caused liquidity exploit appeared archetypal connected CryptoSlate.
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