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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 era switch to Pythagoras is a significant milestone that brings new features and improvements to the Mithril protocol.

danger

The Mithril signer versions compatible with the new Pythagoras era are:

  • 0.2.221
  • 0.2.209
  • 0.2.200

All the 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 in the current directory, a custom folder can be specified with -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)

The era switch to Pythagoras plan is the following:

  • Era switch on pre-release-preview:
    • Create the era switch transaction (done at epoch 757).
    • Era switch to Pythagoras took place at the transition to epoch 759.
  • Era switch on release-preprod:
    • Create the era switch transaction (done at epoch 184).
    • Era switch to Pythagoras took place at the transition to epoch 186.
  • Era switch on release-mainnet:
    • Create the era switch transaction (to be done, expected early January 2025).
    • Era switch to Pythagoras.
info

We use the era switch mechanism to introduce breaking changes in the Mithril protocol. The new features and improvements are not backward compatible with the previous era. This means that a large majority of at least 95% of the stake running the new version is required to activate the new era. More information about the era switch mechanism can be found in the Mithril Network Upgrade Strategy ADR.

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