# Snapshot & State sync

## Snapshot

```bash
sudo systemctl stop lumerad

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

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

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

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

## State Sync

```bash
sudo systemctl stop lumerad

cp $HOME/.lumera/data/priv_validator_state.json $HOME/.lumera/priv_validator_state.json.backup
lumerad tendermint unsafe-reset-all --home $HOME/.lumera

peers="4902d5db03ad6754e287ffdd051a5507a595927a@3.236.181.141:26656,7afeb06db4edc7e7a6c018909876808408c4d1d7@148.113.165.128:56416,7c37a7eb1292b432a8f98ba40d32cb3dd4b3beeb@164.132.247.253:56416,84d98f2821fa97952c8446d9afb8d959a1ea0069@49.12.87.14:30756,221d579ff9b35887952ac3b686f9b230da21e19e@157.90.67.237:26656,0df5af293889fa827d14dade600daa11f548fbd6@95.217.152.99:26656,4ce2b8dea40cbf867bde32c17a24b19b26c981a3@65.21.220.178:26656,54bb17ce612313b941ec6aee00413d6a08032e69@64.203.83.66:26656,1edeedc5f5c3d08a1999a7c334e11ad10d252039@88.99.136.168:26656,3e00e110111612ac9c3d93b6ba75796c82a7bd1d@141.94.141.165:26856,d7cc6ea2afbb0a96ffd5e6dbd7955739fe019cf4@65.109.126.23:14556,a2cac656019665fcd03d3039fee5940e77a035c4@37.27.239.10:26656"
SNAP_RPC="https://lumera-m-rpc.syanodes.my.id:443"

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

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

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