PRYSM NETWORK

1. Stop node:

   sudo systemctl stop prysmd

2. Backup priv_validator_state.json & reset data

   cp $HOME/.prysm/data/priv_validator_state.json $HOME/.prysm/priv_validator_state.json.backup

3. Install tool

   sudo apt-get install wget lz4 aria2 pv -y

4. Download snapshot:

   Prune snapshot:  1477765          |         Archive snapshot:  1478386

   Prune snapshot

   #pruning = "custom", pruning-keep-recent = "100", pruning-interval = "10"
   cd $HOME
   rm -f prysm_snapshot.lz4
   aria2c -x 16 -s 16 -k 1M https://josephtran.co/prysm/prysm_snapshot.lz4

   Archive snapshot

   #pruning = "nothing", indexer = "kv"
   cd $HOME
   rm -f archive_prysm_snapshot.lz4
   aria2c -x 16 -s 16 -k 1M https://josephtran.co/prysm/archive_prysm_snapshot.lz4

5. Reset data

   prysmd tendermint unsafe-reset-all --home $HOME/.prysm --keep-addr-book

6. Decompress snapshot

   Prune snapshot

   lz4 -dc prysm_snapshot.lz4 | pv | tar -xf - -C $HOME/.prysm

   Archive snapshot

   lz4 -dc archive_prysm_snapshot.lz4 | pv | tar -xf - -C $HOME/.prysm

7. Move priv_validator_state.json back

   cp $HOME/.prysm/priv_validator_state.json.backup $HOME/.prysm/data/priv_validator_state.json

8. Restart node

   sudo systemctl restart prysmd && sudo systemctl status prysmd