Staging upgrade for 1.5.7

1.5.7 Release

Patching of exploit and correct of global state data

This is an immediate upgrade and the network will resume one 67+% of validator stake are upgraded and running.

We am expecting that you node is recent and has a node_util.py. If this is not the case, contact for custom instructions.

Instructions to stage:

sudo -u casper /etc/casper/node_util.py stage_protocols casper.conf

sudo /etc/casper/node_util.py rotate_logs

Please wait until consensus is formed to restart the network before running the last step to start the node.

sudo /etc/casper/node_util.py force_run_version 1_5_7

Late staging recovery

If you are staging this late, put a recent trusted_hash in the /etc/casper/1_5_7/config.toml to make sure you latch on.

If you are a validator, make sure you have not been evicted: https://docs.casper.network/operators/becoming-a-validator/recovering/