CosmosHub v27.3.0 Upgrade

LFG!

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 31201200. It is estimated to take place 2 days from now. A countdown clock is here. The governance proposal is here.

Install New Binary

cd cosmos
git pull
git checkout v27.3.0
make install

Check Version

# should be v27.3.0
gaiad version

# Should be commit ed341c8ae3802c3f522f9b3aeb95b872d59bcb89
gaiad version --long | grep commit

Make Cosmovisor Directory and Copy Binary

mkdir -p $HOME/.gaia/cosmovisor/upgrades/v27.3.0/bin
cp $HOME/go/bin/gaiad $HOME/.gaia/cosmovisor/upgrades/v27.3.0/bin

Check Version Again

# should be v27.3.0
$HOME/.gaia/cosmovisor/upgrades/v27.3.0/bin/gaiad version