# Snapshot & State sync

## Snapshot

```bash
sudo systemctl stop emped

cp $HOME/.empe-chain/data/priv_validator_state.json $HOME/.empe-chain/priv_validator_state.json.backup
emped tendermint unsafe-reset-all --home ~/.empe-chain/ --keep-addr-book

curl https://ss.syanodes.my.id/empeiria/ss-empeiria.tar.lz4 | lz4 -dc - | tar -xf - -C $HOME/.empe-chain

mv $HOME/.empe-chain/priv_validator_state.json.backup $HOME/.empe-chain/data/priv_validator_state.json

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

## State Sync

```bash
sudo systemctl stop emped

cp $HOME/.empe-chain/data/priv_validator_state.json $HOME/.empe-chain/priv_validator_state.json.backup
emped tendermint unsafe-reset-all --home $HOME/.empe-chain

PEERS="ce90310b1ff5f8d874b73953723906922c455152@65.109.62.115:20656,edfc10bbf28b5052658b3b8b901d7d0fc25812a0@193.70.45.145:26656"
SNAP_RPC="https://empe-t-rpc.syanodes.my.id:443"

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

mv $HOME/.empe-chain/priv_validator_state.json.backup $HOME/.empe-chain/data/priv_validator_state.json

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