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Era switch to Pythagoras

· 2 min read
Mithril Team

Era switch to Pythagoras​

We have introduced the Pythagoras era in the Mithril networks. The switch to Pythagoras is a significant milestone that brings new features and improvements to the Mithril protocol.

danger

Mithril signer versions compatible with the new Pythagoras era are:

  • 0.2.221
  • 0.2.209
  • 0.2.200.

All other versions are not compatible with the new era and must be updated.

tip

You can easily update your Mithril signer with this one-line command (it will be downloaded to the current directory by default; you can specify a custom folder with the -p option):

curl --proto '=https' --tlsv1.2 -sSf https://raw.githubusercontent.com/input-output-hk/mithril/refs/heads/main/mithril-install.sh | sh -s -- -c mithril-signer -d latest -p $(pwd)

Era switch plan for Pythagoras​

  • pre-release-preview network:

    • Create the era switch transaction (done at epoch 757)
    • Complete the era switch to Pythagoras at the transition to epoch 759

  • release-preprod network:

    • Create the era switch transaction (done at epoch 184)
    • Complete the era switch to Pythagoras at the transition to epoch 186

  • release-mainnet network:

    • Create the era switch transaction (planned for early January 2025)
    • Complete the era switch to Pythagoras.
info

We use the era switch mechanism to introduce breaking changes in the Mithril protocol. Because these features are not backward compatible with the previous era, at least 95% of the stake must be running the new version for Pythagoras to activate. Refer to the Mithril network upgrade strategy ADR for more details.

For any inquiries or assistance, don't hesitate to contact the team on the Discord channel.