install go, if needed
cd $HOME
VER="1.21.6"
wget "https://golang.org/dl/go$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"
[ ! -f ~/.bash_profile ] && touch ~/.bash_profile
echo "export PATH=$PATH:/usr/local/go/bin:~/go/bin" >> ~/.bash_profile
source $HOME/.bash_profile
[ ! -d ~/go/bin ] && mkdir -p ~/go/bin
echo "export WALLET="wallet"" >> $HOME/.bash_profile
echo "export MONIKER="test"" >> $HOME/.bash_profile
echo "export AIRCHAIN_CHAIN_ID="varanasi-1"" >> $HOME/.bash_profile
echo "export AIRCHAIN_PORT="19"" >> $HOME/.bash_profile
source $HOME/.bash_profile
download binary
cd $HOME
wget -O junctiond https://github.com/airchains-network/junction/releases/download/v0.3.1/junctiond-linux-amd64
chmod +x junctiond
mv junctiond $HOME/go/bin/
config and init app
curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
source $HOME/.cargo/env
junctiond init $MONIKER --chain-id $AIRCHAIN_CHAIN_ID
sed -i -e "s|^node =.|node = "tcp://localhost:${AIRCHAIN_PORT}657"|" $HOME/.junctiond/config/client.toml
download genesis and addrbook
wget -O $HOME/.junctiond/config/genesis.json https://server-7.itrocket.net/testnet/airchains_v/genesis.json
wget -O $HOME/.junctiond/config/addrbook.json https://server-7.itrocket.net/testnet/airchains_v/addrbook.json
set seeds and peers
SEEDS="97cadd453fa35cee05f72611fdb15a49112575cb@airchains_v-testnet-seed.itrocket.net:19656"
PEERS="79f26210777e84efb600bf776c32615a72675d9f@airchains_v-testnet-peer.itrocket.net:19656,[email protected]:19656,562e107ee9ea7155b1b277a823f563e4f070d572@[2a03:cfc0:8000:13::b910:27be]:13756,[email protected]:33656,[email protected]:26656,[email protected]:26756,[email protected]:60656,[email protected]:26656,[email protected]:63656,[email protected]:19656"
sed -i -e "/^[p2p]/,/^[/{s/^[[:space:]]*seeds =./seeds = "$SEEDS"/}"
-e "/^[p2p]/,/^[/{s/^[[:space:]]*persistent_peers =./persistent_peers = "$PEERS"/}" $HOME/.junctiond/config/config.toml
set custom ports in app.toml
sed -i.bak -e "s%:1317%:${AIRCHAIN_PORT}317%g;
s%:8080%:${AIRCHAIN_PORT}080%g;
s%:9090%:${AIRCHAIN_PORT}090%g;
s%:9091%:${AIRCHAIN_PORT}091%g;
s%:8545%:${AIRCHAIN_PORT}545%g;
s%:8546%:${AIRCHAIN_PORT}546%g;
s%:6065%:${AIRCHAIN_PORT}065%g" $HOME/.junctiond/config/app.toml
set custom ports in config.toml file
sed -i.bak -e "s%:26658%:${AIRCHAIN_PORT}658%g;
s%:26657%:${AIRCHAIN_PORT}657%g;
s%:6060%:${AIRCHAIN_PORT}060%g;
s%:26656%:${AIRCHAIN_PORT}656%g;
s%^external_address = ""%external_address = "$(wget -qO- eth0.me):${AIRCHAIN_PORT}656"%;
s%:26660%:${AIRCHAIN_PORT}660%g" $HOME/.junctiond/config/config.toml
sed -i -e "s/^pruning =./pruning = "custom"/" $HOME/.junctiond/config/app.toml
sed -i -e "s/^pruning-keep-recent =./pruning-keep-recent = "100"/" $HOME/.junctiond/config/app.toml
sed -i -e "s/^pruning-interval =./pruning-interval = "19"/" $HOME/.junctiond/config/app.toml
set minimum gas price, enable prometheus and disable indexing
sed -i 's|minimum-gas-prices =.*|minimum-gas-prices = "0.001amf"|g' $HOME/.junctiond/config/app.toml
sed -i -e "s/prometheus = false/prometheus = true/" $HOME/.junctiond/config/config.toml
sed -i -e "s/^indexer =./indexer = "null"/" $HOME/.junctiond/config/config.toml
create service file
sudo tee /etc/systemd/system/junctiond.service > /dev/null <<EOF
[Unit]
Description=Airchains_v node
After=network-online.target
[Service]
User=$USER
WorkingDirectory=$HOME/.junctiond
ExecStart=$(which junctiond) start --home $HOME/.junctiond
Restart=on-failure
RestartSec=5
LimitNOFILE=65535
[Install]
WantedBy=multi-user.target
EOF
reset and download snapshot
junctiond tendermint unsafe-reset-all --home $HOME/.junctiond
if curl -s --head curl https://server-7.validatorsg.net/testnet/airchains_v/airchains_v_2025-03-23_16086_snap.tar.lz4 | head -n 1 | grep "200" > /dev/null; then
curl https://server-7.validatorsg.net/testnet/airchains_v/airchains_v_2025-03-23_16086_snap.tar.lz4 | lz4 -dc - | tar -xf - -C $HOME/.junctiond
else
echo "no snapshot found"
fi
enable and start service
sudo systemctl daemon-reload
sudo systemctl enable junctiond
sudo systemctl restart junctiond && sudo journalctl -u junctiond -fo cat
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