Installation

Lumera Testnet

Installation

// Install Dependencies
sudo apt-get update
sudo apt-get install curl git jq lz4 build-essential
sudo apt-get 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
mkdir -p $HOME/.lumera/cosmovisor/genesis/bin
wget -O $HOME/.lumera/cosmovisor/genesis/bin/lumerad https://green.codeblocklabs.com/testnet/lumera/lumerad_v1.0.1-linux-amd64
chmod +x $HOME/.lumera/cosmovisor/genesis/bin/lumerad

// Download Libraries Needed
wget -O /usr/lib/libwasmvm.x86_64.so https://green.codeblocklabs.com/testnet/lumera/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

---

Setting Up Services

# Download and install Cosmovisor
go install cosmossdk.io/tools/cosmovisor/cmd/[email protected]

# Create service
sudo tee /etc/systemd/system/lumera.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.service

---

Setting Up Nodes

# Set node configuration
lumerad config chain-id lumera-testnet-1
lumerad config keyring-backend test
lumerad config node tcp://localhost:10069

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

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

# Add seeds
sed -i -e "s|^seeds *=.*|seeds = \"[email protected]:16956\"|" $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

Chain Snapshots

curl -L https://green.codeblocklabs.com/testnet/lumera/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 the nodes on services
sudo systemctl start lumera.service && sudo journalctl -u lumera.service -f --no-hostname -o cat