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Moonbridge

Install

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Public Endpoints | Genesis | Addrbook
Chain ID: lava-testnet-2 | Latest Version: v3.0.1 | Custom Port: 131
Specify the name of your “MONIKER” (validator) which will be visible in the explorer
MONIKER="YOUR_MONIKER_NAME"

Update system and install tools

sudo apt update && sudo apt upgrade -y
sudo apt install curl build-essential git jq lz4 ncdu bashtop -y

Install GO

cd $HOME
version="1.22.5"
wget "https://golang.org/dl/go$version.linux-amd64.tar.gz"
sudo rm -rf /usr/local/go
sudo tar -C /usr/local -xzf "go$version.linux-amd64.tar.gz"
rm "go$version.linux-amd64.tar.gz"
echo "export PATH=$PATH:/usr/local/go/bin:$HOME/go/bin" >> $HOME/.bash_profile
source $HOME/.bash_profile

Install Cosmovisor

go install cosmossdk.io/tools/cosmovisor/cmd/cosmovisor@v1.5.0

Download and install

cd $HOME
git clone https://github.com/lavanet/lava.git
wget -O lavad https://github.com/lavanet/lava/releases/download/v3.0.1/lavad-v3.0.1-linux-amd64
sudo chmod +x lavad
sudo mv lavad $HOME/go/bin/
lavad version --long | grep -e commit -e version

Config and Init node

# Set node configuration
lavad config chain-id lava-testnet-2
lavad config keyring-backend test
lavad config node tcp://localhost:13157


# Initialize node
lavad init $MONIKER --chain-id lava-testnet-2


# Download genesis and addrbook
curl -Ls https://snapshots.moonbridge.team/testnet/lava/genesis.json > $HOME/.lava/config/genesis.json
curl -Ls https://snapshots.moonbridge.team/testnet/lava/addrbook.json > $HOME/.lava/config/addrbook.json


# Set seeds and peers
SEEDS=""
PEERS=""
sed -i -e "s/^seeds *=.*/seeds = \"$SEEDS\"/; s/^persistent_peers *=.*/persistent_peers = \"$PEERS\"/" $HOME/.lava/config/config.toml


# Setting minimum gas price
sed -i -e "s|^minimum-gas-prices *=.*|minimum-gas-prices = \"0ulava\"|" $HOME/.lava/config/app.toml


# Setting pruning
sed -i -e 's|^pruning *=.*|pruning = "custom"|' $HOME/.lava/config/app.toml
sed -i -e 's|^pruning-keep-recent  *=.*|pruning-keep-recent = "100"|' $HOME/.lava/config/app.toml
sed -i -e 's|^pruning-keep-every *=.*|pruning-keep-every = "0"|' $HOME/.lava/config/app.toml
sed -i -e 's|^pruning-interval *=.*|pruning-interval = "10"|' $HOME/.lava/config/app.toml


# Disable indexer
sed -i -e 's|^indexer *=.*|indexer = "null"|' $HOME/.lava/config/config.toml


# Enable Prometheus
sed -i -e "s/prometheus = false/prometheus = true/" $HOME/.lava/config/config.toml


# Setting custom ports
sed -i -e "s%^proxy_app = \"tcp://127.0.0.1:26658\"%proxy_app = \"tcp://127.0.0.1:13158\"%; s%^laddr = \"tcp://127.0.0.1:26657\"%laddr = \"tcp://0.0.0.0:13157\"%; s%^pprof_laddr = \"localhost:6060\"%pprof_laddr = \"localhost:13160\"%; s%^laddr = \"tcp://0.0.0.0:26656\"%laddr = \"tcp://0.0.0.0:13156\"%; s%^external_address = \"\"%external_address = \"$(wget -qO- eth0.me):13156\"%; s%^prometheus_listen_addr = \":26660\"%prometheus_listen_addr = \":13166\"%" $HOME/.lava/config/config.toml
sed -i -e "s%:1317%:13117%g; s%:8080%:13180%g; s%:9090%:13190%g; s%:9091%:13191%g; s%:8545%:13145%g; s%:8546%:13146%g; s%:6065%:13165%g" $HOME/.lava/config/app.toml

Chain configuration

sed -i \
  -e 's/timeout_propose = .*/timeout_propose = "1s"/' \
  -e 's/timeout_propose_delta = .*/timeout_propose_delta = "500ms"/' \
  -e 's/timeout_prevote = .*/timeout_prevote = "1s"/' \
  -e 's/timeout_prevote_delta = .*/timeout_prevote_delta = "500ms"/' \
  -e 's/timeout_precommit = .*/timeout_precommit = "500ms"/' \
  -e 's/timeout_precommit_delta = .*/timeout_precommit_delta = "1s"/' \
  -e 's/timeout_commit = .*/timeout_commit = "15s"/' \
  -e 's/^create_empty_blocks = .*/create_empty_blocks = true/' \
  -e 's/^create_empty_blocks_interval = .*/create_empty_blocks_interval = "15s"/' \
  -e 's/^timeout_broadcast_tx_commit = .*/timeout_broadcast_tx_commit = "151s"/' \
  -e 's/skip_timeout_commit = .*/skip_timeout_commit = false/' \
  $HOME/.lava/config/config.toml

Configure Cosmovisor

mkdir -p $HOME/.lava/cosmovisor/genesis/bin
mkdir -p $HOME/.lava/cosmovisor/upgrades
cp $HOME/go/bin/lavad $HOME/.lava/cosmovisor/genesis/bin/

Create service

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


[Service]
User=$USER
ExecStart=$(which cosmovisor) run start
Restart=always
RestartSec=5
LimitNOFILE=65535
Environment="DAEMON_NAME=lavad"
Environment="DAEMON_HOME=$HOME/.lava"
Environment="UNSAFE_SKIP_BACKUP=true"
Environment="DAEMON_ALLOW_DOWNLOAD_BINARIES=false"
Environment="DAEMON_RESTART_AFTER_UPGRADE=true"


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

Download latest snapshot

curl -o - -L https://snapshots.moonbridge.team/testnet/lava/snapshot_latest.tar.lz4 | lz4 -dc - | tar -x -C $HOME/.lava
[[ -f $HOME/.lava/data/upgrade-info.json ]] && cp $HOME/.lava/data/upgrade-info.json $HOME/.lava/cosmovisor/genesis/upgrade-info.json

Start service and check the logs

sudo systemctl start lavad && sudo journalctl -u lavad -f --no-hostname -o cat

Create wallet

lavad keys add wallet

Check wallet balance

lavad q bank balances $(lavad keys show wallet -a)

Create validator

lavad tx staking create-validator \
  --amount 1000000ulava \
  --pubkey $(lavad tendermint show-validator) \
  --moniker "YOUR_MONIKER_NAME" \
  --identity "YOUR_KEYBASE_ID" \
  --details "YOUR_DETAILS" \
  --website "YOUR_WEBSITE_URL" \
  --security-contact "YOUR_EMAIL_ADDRESS" \
  --chain-id lava-testnet-2 \
  --commission-rate 0.10 \
  --commission-max-rate 0.20 \
  --commission-max-change-rate 0.01 \
  --min-self-delegation 1 \
  --from wallet \
  --gas-adjustment 1.4 \
  --gas auto \
  --gas-prices 0ulava \
  -y

Delete node

sudo systemctl stop lavad
sudo systemctl disable lavad
sudo rm -rf /etc/systemd/system/lavad.service
sudo systemctl daemon-reload
sudo rm -f $(which lavad)
sudo rm -rf $HOME/.lava
sudo rm -rf $HOME/lava