Nerpa v13 upgrade

[liviudm]

No description provided.

[arajasek]

Double-checking: The upgrade is 5-6 days from now, correct?

[jennijuju]

Should this be based off releases branch?

[ribasushi]

Double-checking: The upgrade is 5-6 days from now, correct?

Nerpa genesis

~$ curl -s http://127.0.0.1:1234/rpc/v0 -X POST -H "Content-Type: application/json" --data '
  { "jsonrpc": "2.0", "id":1, "method": "Filecoin.ChainGetGenesis", "params": [] }
' | jq '.result.Blocks[0].Timestamp'
1616055060

Upgrade time (UTC):

~$ perl -E 'say scalar gmtime ( 379178 * 30 + 1616055060 )'
Wed Jul 28 00:00:00 2021