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Ethereum’s Shapellabug Update and Devnet Stress Test

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According to reports, Tim Beiko, the core developer of Ethereum, tweeted that Marius Van Der Wijden, the developer, found a public test network Shapellabug, wh…

Ethereums Shapellabug Update and Devnet Stress Test

According to reports, Tim Beiko, the core developer of Ethereum, tweeted that Marius Van Der Wijden, the developer, found a public test network Shapellabug, which occurred during the full synchronization of empty blocks (no transactions or withdrawals). Several other clients also encountered this problem. However, this problem is easy to test and can be quickly repaired. The team believes that this will not affect the schedule of Sepolia upgrade, which is still planned to be carried out at 12:00 on February 28. In addition, Barnabas Busa updated the latest withdrawal Devnet for the stress test of Shapella. The Devnet has 600000 verifiers, of which 360000 verifiers perform the withdrawal voucher update at the time of bifurcation. The client sees a surge in RAM+CPU usage. The deops team will monitor the development network in the next few days to see how many credential update messages are included and lost. The test also revealed the problem of PrysmBesu, where Besu limited the number of responses it sent through RPC to prevent DoS, but the number of responses Prysm expected was higher than Besu’s current limit. Besu team is currently investigating this matter. In addition, developers also plan to conduct another main network shadow bifurcation, and will do some Mev-Boost tests on it. On February 10, the Ethereum Foundation said that the upgrade of Shanghai+Capella (Shapella) main network was entering the final pre-release sequence – the public test network. Shapella includes many functions, but the most important thing for the pledgor and the consensus layer is to support withdrawal. Withdrawing verifiers can withdraw in full, while active verifiers with a balance of more than 32ETH can withdraw in part. In addition, Sepolia, the first long-term public test network, is scheduled to be upgraded on February 28.

Ethereum developer: There is a problem in the withdrawal test of Shapella, but it will not affect the upgrade time of Shapella

Interpretation of the news:


According to recent reports, Ethereum’s core developer, Tim Beiko, has tweeted that Marius Van Der Wijden, a developer, discovered a public test network bug called Shapellabug, which occurred during the full synchronization of empty blocks. This problem was faced by many other clients as well. However, the team confirmed that this issue is easy to test and can be fixed quickly without affecting the scheduled Sepolia upgrade, which is planned for February 28 at 12:00.

Along with this, Barnabas Busa updated the latest withdrawal Devnet for the stress test of Shapella. In this test, Devnet had 600000 verifiers, of which 360000 verifiers conducted the withdrawal voucher update, and the client experienced a surge in RAM+CPU usage. The team will monitor the development network in the coming days to analyze how many credential update messages are included and lost.

Furthermore, the test also revealed a problem with PrysmBesu, where Besu limited the number of responses it sent through RPC to prevent DoS. However, the number of responses that Prysm expected was higher than Besu’s current limit. The Besu team is investigating this issue.

Lastly, developers plan to conduct another main network shadow bifurcation and run Mev-Boost tests on it. The Ethereum Foundation confirmed that the Shapella upgrade is entering the final pre-release sequence, including many features but mainly focusing on withdrawal support for pledgers and the consensus layer. Withdrawal verifiers can withdraw in full, while active verifiers with a balance of more than 32ETH can withdraw partially.

Overall, the updates on Shapellabug and Devnet stress tests seem to have been successfully addressed by the Ethereum team without affecting their upcoming Sepolia upgrade. The team’s focus is now on conducting another main network shadow bifurcation and conducting Mev-Boost tests to ensure a smooth user experience.

In conclusion, the Ethereum community is eagerly waiting for the upcoming Shapella upgrade, which promises to bring many new features to enhance the platform’s performance and user experience.

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