Node installation

### Install dependencies

sudo apt update && sudo apt upgrade -y
sudo apt install git gcc make jq curl lz4 -y

### Install go

cd $HOME
VER=1.21.3
wget -qO go.tar.gz https://golang.org/dl/go$VER.linux-amd64.tar.gz
sudo rm -rf /usr/local/go
sudo tar -C /usr/local -xzf go.tar.gz
rm go.tar.gz
echo "export PATH=$PATH:/usr/local/go/bin:$HOME/go/bin" >> ~/.bashrc
source ~/.bashrc
mkdir -p ~/go/bin

### Download and set up 0gchain binaries

cd $HOME
rm -rf galileo-used
wget -qO galileo.tar.gz https://github.com/0glabs/0gchain-NG/releases/download/v2.0.2/galileo-v2.0.2.tar.gz
tar -xzf galileo.tar.gz
rm galileo.tar.gz
mv galileo-v2.0.2 galileo-used
chmod +x galileo-used/bin/geth galileo-used/bin/0gchaind
cp galileo-used/bin/geth ~/go/bin/
cp galileo-used/bin/0gchaind ~/go/bin/

### Config and init app

mkdir -p ~/.0gchaind/0g-home/0gchaind-home/config
mkdir -p ~/.0gchaind/0g-home/0gchaind-home/data
cp -r galileo-used/0g-home ~/.0gchaind/
geth init --datadir ~/.0gchaind/0g-home/geth-home galileo-used/genesis.json
0gchaind init test --home ~/.0gchaind/tmp
mv ~/.0gchaind/tmp/config/{node_key.json,priv_validator_key.json} ~/.0gchaind/0g-home/0gchaind-home/config/
mv ~/.0gchaind/tmp/data/priv_validator_state.json ~/.0gchaind/0g-home/0gchaind-home/data/
rm -rf ~/.0gchaind/tmp

### Set seeds and peers

SEEDS=ae64aa1ce5cdab5e63d12d0d1831e7091be192ae@0g-testnet-pruned-seed.stakeme.pro:47656
PEERS=[email protected]:26656,[email protected]:46656,[email protected]:55656,[email protected]:26656,[email protected]:26656,[email protected]:26656,[email protected]:55656,[email protected]:26656,[email protected]:29656,[email protected]:47656
sed -i -e "/^\[p2p\]/,/^\[/{s/^[[:space:]]*seeds *=.*/seeds = \"$SEEDS\"/}" -e "/^\[p2p\]/,/^\[/{s/^[[:space:]]*persistent_peers *=.*/persistent_peers = \"$PEERS\"/}" ~/.0gchaind/0g-home/0gchaind-home/config/config.toml

### Set custom ports

sed -i "s/HTTPPort = .*/HTTPPort = 545/" galileo-used/geth-config.toml
sed -i "s/WSPort = .*/WSPort = 546/" galileo-used/geth-config.toml
sed -i "s/AuthPort = .*/AuthPort = 551/" galileo-used/geth-config.toml
sed -i "s/ListenAddr = .*/ListenAddr = \":303\"/" galileo-used/geth-config.toml
sed -i.bak -e "s%:26658%:658%;s%:26657%:657%;s%:6060%:060%;s%:26656%:656%;s%:26660%:660%" ~/.0gchaind/0g-home/0gchaind-home/config/config.toml
sed -i "s/address = \".*:3500\"/address = \"127.0.0.1:500\"/" ~/.0gchaind/0g-home/0gchaind-home/config/app.toml
sed -i "s/^rpc-dial-url *=.*/rpc-dial-url = \"http:\/\/localhost:551\"/" ~/.0gchaind/0g-home/0gchaind-home/config/app.toml

### Disable indexing

sed -i "s/^indexer *=.*/indexer = \"null\"/" ~/.0gchaind/0g-home/0gchaind-home/config/config.toml

### Configure pruning

sed -i "s/^pruning *=.*/pruning = \"custom\"/" ~/.0gchaind/0g-home/0gchaind-home/config/app.toml
sed -i "s/^pruning-keep-recent *=.*/pruning-keep-recent = \"\"/" ~/.0gchaind/0g-home/0gchaind-home/config/app.toml
sed -i "s/^pruning-interval *=.*/pruning-interval = \"\"/" ~/.0gchaind/0g-home/0gchaind-home/config/app.toml

### Create symlink

ln -sf ~/.0gchaind/0g-home/0gchaind-home/config/client.toml ~/.0gchaind/config/client.toml

### Create 0ggeth service

sudo tee /etc/systemd/system/0ggeth.service > /dev/null <<EOF
[Unit]
Description=0gchain Geth Node Service
After=network-online.target

[Service]
User=$USER
WorkingDirectory=$HOME/galileo-used
ExecStart=$HOME/go/bin/geth \
  --config $HOME/galileo-used/geth-config.toml \
  --datadir $HOME/.0gchaind/0g-home/geth-home \
  --networkid 16601 --http.port 545 \
  --ws.port 546 \
  --authrpc.port 551 \
  --bootnodes enode://de7b86d8ac452b1413983049c20eafa2ea0851a3219c2cc12649b971c1677bd83fe24c5331e078471e52a94d95e8cde84cb9d866574fec957124e57ac6056699@8.218.88.60:30303 \
  --port 303
Restart=on-failure
RestartSec=3
LimitNOFILE=65535

[Install]
WantedBy=multi-user.target
EOF

### Create 0gchaind service

sudo tee /etc/systemd/system/0gchaind.service > /dev/null <<EOF
[Unit]
Description=0gchaind Node Service
After=network-online.target

[Service]
User=$USER
WorkingDirectory=$HOME/galileo-used
ExecStart=$(which 0gchaind) start \
  --rpc.laddr tcp://0.0.0.0:657 \
  --chaincfg.chain-spec devnet \
  --chaincfg.kzg.trusted-setup-path $HOME/galileo-used/kzg-trusted-setup.json \
  --chaincfg.engine.jwt-secret-path $HOME/galileo-used/jwt-secret.hex \
  --chaincfg.kzg.implementation=crate-crypto/go-kzg-4844 \
  --chaincfg.block-store-service.enabled \
  --chaincfg.node-api.enabled \
  --chaincfg.node-api.logging \
  --chaincfg.node-api.address 0.0.0.0:500 \
  --chaincfg.engine.rpc-dial-url http://localhost:551 \
  --pruning=nothing \
  --p2p.seeds [email protected]:26656 \
  --p2p.external_address $(wget -qO- eth0.me):656 \
  --home $HOME/.0gchaind/0g-home/0gchaind-home
Restart=on-failure
RestartSec=3
LimitNOFILE=65535

[Install]
WantedBy=multi-user.target
EOF

### Reset and download snapshot

# backup priv_validator_state.json
cp $HOME/.0gchaind/0g-home/0gchaind-home/data/priv_validator_state.json $HOME/priv_validator_state.json.backup

# remove old data and unpack 0g snapshot
rm -rf $HOME/.0gchaind/0g-home/0gchaind-home/data
curl https://st-snap-1.stakeme.pro/og/testnet/pruned/cosmos_data_og_20250823_030001.tar.lz4 | lz4 -dc - | tar -xf - -C $HOME/.0gchaind/0g-home/0gchaind-home

# restore priv_validator_state.json
mv $HOME/priv_validator_state.json.backup $HOME/.0gchaind/0g-home/0gchaind-home/data/priv_validator_state.json

# delete geth data and unpack Geth snapshot
rm -rf $HOME/.0gchaind/0g-home/geth-home/geth/chaindata
curl https://st-snap-1.stakeme.pro/og/testnet/pruned/evm_chaindata_og_20250823_030001.tar.lz4 | lz4 -dc - | tar -xf - -C $HOME/.0gchaind/0g-home/geth-home/geth

### Enable and start service

sudo systemctl restart 0ggeth 
sleep 5
mv ~/jwt-secret.hex ~/galileo-used
sudo systemctl restart 0gchaind
sudo journalctl -u 0ggeth -u 0gchaind -f -o cat