# Snapshot & State sync

## Snapshot

```bash
sudo systemctl stop prysmd

cp $HOME/.prysm/data/priv_validator_state.json $HOME/.prysm/priv_validator_state.json.backup
prysmd tendermint unsafe-reset-all --home ~/.prysm/ --keep-addr-book

curl https://snapshot.syanodes.my.id/testnets/prysm/snapshot-prysm.tar.lz4 | lz4 -dc - | tar -xf - -C $HOME/.prysm

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

sudo systemctl restart prysmd && sudo journalctl -fu prysmd -o cat
```

## State Sync

```bash
sudo systemctl stop prysmd

cp $HOME/.prysm/data/priv_validator_state.json $HOME/.prysm/priv_validator_state.json.backup
prysmd tendermint unsafe-reset-all --home $HOME/.prysm

PEERS="e0daf1e5649feba5ba3787288e66e1c9921b2c4c@149.50.96.153:19756,69509925a520c5c7c5f505ec4cedab95073388e5@136.243.13.36:29856,2334e9eb772d5aaf9c48a2885c41d5c33e911912@65.109.92.163:3020,88ad3a3b9b981f0bbb52d5c996d0f7e1aa9426fa@65.108.206.118:61256,66ea180127711b96e35683be6e6f1cffc2b04e0a@184.107.169.193:25656,f9758cec18d2af1cca6431a42ec5b68230ae12c8@149.102.142.113:40656,170bf5fa23b18d19148ca9a52dbdde485ad59f7b@65.109.79.185:15656,844f4b8382f6abf86ad13fcd2d384214605b094e@144.76.155.11:26656"
SNAP_RPC="https://prysm-t-rpc.syanodes.my.id:443"

sed -i.bak -e "s/^persistent_peers *=.*/persistent_peers = \"$PEERS\"/" $HOME/.prysm/config/config.toml 

LATEST_HEIGHT=$(curl -s $SNAP_RPC/block | jq -r .result.block.header.height);
BLOCK_HEIGHT=$((LATEST_HEIGHT - 1000));
TRUST_HASH=$(curl -s "$SNAP_RPC/block?height=$BLOCK_HEIGHT" | jq -r .result.block_id.hash) 

echo $LATEST_HEIGHT $BLOCK_HEIGHT $TRUST_HASH && sleep 2

sed -i.bak -E "s|^(enable[[:space:]]+=[[:space:]]+).*$|\1true| ;
s|^(rpc_servers[[:space:]]+=[[:space:]]+).*$|\1\"$SNAP_RPC,$SNAP_RPC\"| ;
s|^(trust_height[[:space:]]+=[[:space:]]+).*$|\1$BLOCK_HEIGHT| ;
s|^(trust_hash[[:space:]]+=[[:space:]]+).*$|\1\"$TRUST_HASH\"| ;
s|^(seeds[[:space:]]+=[[:space:]]+).*$|\1\"\"|" $HOME/.prysm/config/config.toml

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

sudo systemctl restart prysmd && sudo journalctl -fu prysmd -o cat
```