Solana crashed due to a bug in handling niche transactions

On Wednesday, June 1, the Solana network did not produce new blocks for more than four hours due to a failure in the processing of “long-term non-targeted transactions”, which led to a consensus violation. The developers disabled this type of operation and asked the validators to restart the blockchain.

Durable transaction nonces are mostly popular among cryptocurrency exchanges. The function is intended for token holders who use complex automatic signing settings, which is why they cannot always promptly prepare transactions for registration on the blockchain.

For example, a custodian who signs a transaction from two isolated devices may not have time to complete the work within one block. A normal transaction on the Solana network will not work in this case, however, the above function allows you to bypass this limitation and pre-sign offline.

One of the Solana validators, Stakewiz, noted that the problem with this type of transaction has long been known. According to him, on May 28, a similar error was already observed, but it did not affect the cluster.

According to Solana, network downtime was 4 hours and 10 minutes. At the time of writing, the blockchain is stable. At the same time, browsers like Solscan and Solana Beach have had problems displaying block release and transaction times – the values ​​are indicated with a six-hour delay.
Data: Solana Beach.

This is due to the desynchronization of the blockchain with real time, which occurred last week. However, it was then stated that the network’s internal clock was only 30 minutes behind.

Solana founder Anatoly Yakovenko emphasized that the development team already has a solution – it will be implemented after testing.

Recall that on the night of May 1, 2020, the Solana blockchain suspended work due to a large number of incoming transactions and heavy traffic.

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