How To Install Full Node MUN Blockchain Testnet
Setting up vars
Your Nodename (validator) that will shows in explorer
NODENAME=<Your_Nodename_Moniker>
Save variables to system
echo "export NODENAME=$NODENAME" >> $HOME/.bash_profile
if [ ! $WALLET ]; then
echo "export WALLET=wallet" >> $HOME/.bash_profile
fi
echo "export MUN_CHAIN_ID=testmun-3" >> $HOME/.bash_profile
source $HOME/.bash_profile
Update packages
sudo apt update && sudo apt upgrade -y
Install dependencies
sudo apt install curl build-essential git wget jq make gcc tmux net-tools ccze -y
Install go
if ! [ -x "$(command -v go)" ]; then
ver="1.20.4"
cd $HOME
wget "https://golang.org/dl/go$ver.linux-amd64.tar.gz"
sudo rm -rf /usr/local/go
sudo tar -C /usr/local -xzf "go$ver.linux-amd64.tar.gz"
rm "go$ver.linux-amd64.tar.gz"
echo "export PATH=$PATH:/usr/local/go/bin:$HOME/go/bin" >> ~/.bash_profile
source ~/.bash_profile
fi
Download and build binaries
cd $HOME
git clone https://github.com/munblockchain/mun
cd mun
git checkout v3.0.3
make install
Config app
mund config chain-id $MUN_CHAIN_ID
mund config keyring-backend test
Init app
mund init $NODENAME --chain-id $MUN_CHAIN_ID
Download configuration
cd $HOME
wget https://snapshot3.konsortech.xyz/mun/genesis.json -O $HOME/.mun/config/genesis.json
wget https://snapshot3.konsortech.xyz/mun/addrbook.json -O $HOME/.mun/config/addrbook.json
Set seeds and peers
sed -i -e "s|^seeds *=.*|seeds = \"74bea3fc80aa128c9a757873f2348baa23e9921a@157.245.77.89:26656\"|" $HOME/.mun/config/config.toml
Disable indexing
indexer="null"
sed -i -e "s/^indexer *=.*/indexer = \"$indexer\"/" $HOME/.mun/config/config.toml
Config pruning
pruning="custom"
pruning_keep_recent="100"
pruning_keep_every="0"
pruning_interval="10"
sed -i -e "s/^pruning *=.*/pruning = \"$pruning\"/" $HOME/.mun/config/app.toml
sed -i -e "s/^pruning-keep-recent *=.*/pruning-keep-recent = \"$pruning_keep_recent\"/" $HOME/.mun/config/app.toml
sed -i -e "s/^pruning-keep-every *=.*/pruning-keep-every = \"$pruning_keep_every\"/" $HOME/.mun/config/app.toml
sed -i -e "s/^pruning-interval *=.*/pruning-interval = \"$pruning_interval\"/" $HOME/.mun/config/app.toml
Set minimum gas price
sed -i -e "s|^minimum-gas-prices *=.*|minimum-gas-prices = \"0tmun\"|" $HOME/.mun/config/app.toml
Create service
sudo tee /etc/systemd/system/mund.service > /dev/null <<EOF
[Unit]
Description=MUN
After=network-online.target
[Service]
User=$USER
ExecStart=$(which mund) start
Restart=on-failure
RestartSec=3
LimitNOFILE=65535
[Install]
WantedBy=multi-user.target
EOF
Register and start service
sudo systemctl daemon-reload
sudo systemctl enable mund
sudo systemctl restart mund && sudo journalctl -u mund -f -o cat
