Evmos v12.1.0 Upgrade

This upgrade implements Fee Subscription.

This guide assumes that you use cosmovisor to manage upgrades. If you do not use cosmovisor, please adjust some commands accordingly.

The upgrade is scheduled for Block 12303000. It is estimated to take place 1 year ago. A countdown clock is here. The governance proposal is here.

Install New Binary

cd evmos
git pull
git checkout v12.1.0
make install

Check Version

# should be 12.1.0
evmosd version

# Should be commit 22940d05ff6f620283570ef591a251b5a87a8fc6
evmosd version --long | grep commit

Make Cosmovisor Directory and Copy Binary

mkdir -p $HOME/.evmosd/cosmovisor/upgrades/v12.1.0/bin
cp $HOME/go/bin/evmosd $HOME/.evmosd/cosmovisor/upgrades/v12.1.0/bin

Check Version Again

# should be 12.1.0
$HOME/.evmosd/cosmovisor/upgrades/v12.1.0/bin/evmosd version