Chain ID Latest Version Tag Custom Port
lumera-testnet-1 v1.0.0 169

Hardware requirements

Minimum Hardware Requirements

  • CPU: 8 cores, x86_64 architecture
  • RAM: 32 GB RAM
  • Storage: 2 TB NVMe SSD
  • Network: 1 Gbps dedicated line
  • Operating System: Ubuntu 22.04 LTS or higher
  • CPU: 16 cores, x86_64 architecture
  • RAM: 64 GB RAM
  • Storage: 4 TB NVMe SSD
  • Network: 5 Gbps dedicated line
  • Operating System: Ubuntu 22.04 LTS or higher

Setup validator name

Replace YOUR_MONIKER_GOES_HERE with your validator name

MONIKER="YOUR_MONIKER_GOES_HERE"

Install dependencies

Update system and install build tools 

sudo apt -q update
sudo apt -qy install curl git jq lz4 build-essential
sudo apt -qy upgrade

Install Go 

sudo rm -rf /usr/local/go
curl -Ls https://go.dev/dl/go1.24.2.linux-amd64.tar.gz | sudo tar -xzf - -C /usr/local
eval $(echo 'export PATH=$PATH:/usr/local/go/bin' | sudo tee /etc/profile.d/golang.sh)
eval $(echo 'export PATH=$PATH:$HOME/go/bin' | tee -a $HOME/.profile)

Download binaries 

# Download project binaries
mkdir -p $HOME/.lumera/cosmovisor/genesis/bin
wget -O $HOME/.lumera/cosmovisor/genesis/bin/lumerad https://snapshots.kjnodes.com/lumera-testnet/lumerad_v1.0.1-linux-amd64
chmod +x $HOME/.lumera/cosmovisor/genesis/bin/lumerad

# Download project libraries
wget -O /usr/lib/libwasmvm.x86_64.so https://snapshots.kjnodes.com/lumera-testnet/libwasmvm.x86_64.so

# Create application symlinks
ln -s $HOME/.lumera/cosmovisor/genesis $HOME/.lumera/cosmovisor/current -f
sudo ln -s $HOME/.lumera/cosmovisor/current/bin/lumerad /usr/local/bin/lumerad -f

Install Cosmovisor and create a service 

# Download and install Cosmovisor
go install cosmossdk.io/tools/cosmovisor/cmd/cosmovisor@v1.6.0

# Create service
sudo tee /etc/systemd/system/lumera-testnet.service > /dev/null << EOF
[Unit]
Description=lumera node service
After=network-online.target

[Service]
User=$USER
ExecStart=$(which cosmovisor) run start
Restart=on-failure
RestartSec=10
LimitNOFILE=65535
Environment="DAEMON_HOME=$HOME/.lumera"
Environment="DAEMON_NAME=lumerad"
Environment="UNSAFE_SKIP_BACKUP=true"
Environment="PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:$HOME/.lumera/cosmovisor/current/bin"

[Install]
WantedBy=multi-user.target
EOF
sudo systemctl daemon-reload
sudo systemctl enable lumera-testnet.service

Initialize the node 

# Set node configuration
lumerad config chain-id lumera-testnet-1
lumerad config keyring-backend test
lumerad config node tcp://localhost:16957

# Initialize the node
lumerad init $MONIKER --chain-id lumera-testnet-1

# Download genesis and addrbook
curl -Ls https://snapshots.kjnodes.com/lumera-testnet/genesis.json > $HOME/.lumera/config/genesis.json
curl -Ls https://snapshots.kjnodes.com/lumera-testnet/addrbook.json > $HOME/.lumera/config/addrbook.json

# Add seeds
sed -i -e "s|^seeds *=.*|seeds = \"3f472746f46493309650e5a033076689996c8881@lumera-testnet.rpc.kjnodes.com:16959\"|" $HOME/.lumera/config/config.toml

# Set minimum gas price
sed -i -e "s|^minimum-gas-prices *=.*|minimum-gas-prices = \"0.025ulume\"|" $HOME/.lumera/config/app.toml

# Set pruning
sed -i \
  -e 's|^pruning *=.*|pruning = "custom"|' \
  -e 's|^pruning-keep-recent *=.*|pruning-keep-recent = "100"|' \
  -e 's|^pruning-keep-every *=.*|pruning-keep-every = "0"|' \
  -e 's|^pruning-interval *=.*|pruning-interval = "19"|' \
  $HOME/.lumera/config/app.toml

# Set custom ports
sed -i -e "s%^proxy_app = \"tcp://127.0.0.1:26658\"%proxy_app = \"tcp://127.0.0.1:16958\"%; s%^laddr = \"tcp://127.0.0.1:26657\"%laddr = \"tcp://127.0.0.1:16957\"%; s%^pprof_laddr = \"localhost:6060\"%pprof_laddr = \"localhost:16960\"%; s%^laddr = \"tcp://0.0.0.0:26656\"%laddr = \"tcp://0.0.0.0:16956\"%; s%^prometheus_listen_addr = \":26660\"%prometheus_listen_addr = \":16966\"%" $HOME/.lumera/config/config.toml
sed -i -e "s%^address = \"tcp://0.0.0.0:1317\"%address = \"tcp://0.0.0.0:16917\"%; s%^address = \":8080\"%address = \":16980\"%; s%^address = \"0.0.0.0:9090\"%address = \"0.0.0.0:16990\"%; s%^address = \"0.0.0.0:9091\"%address = \"0.0.0.0:16991\"%; s%:8545%:16945%; s%:8546%:16946%; s%:6065%:16965%" $HOME/.lumera/config/app.toml

Download latest chain snapshot 

curl -L https://snapshots.kjnodes.com/lumera-testnet/snapshot_latest.tar.lz4 | tar -Ilz4 -xf - -C $HOME/.lumera
[[ -f $HOME/.lumera/data/upgrade-info.json ]] && cp $HOME/.lumera/data/upgrade-info.json $HOME/.lumera/cosmovisor/genesis/upgrade-info.json

Start service and check the logs 

sudo systemctl start lumera-testnet.service && sudo journalctl -u lumera-testnet.service -f --no-hostname -o cat