Minimum hardware requirements:
1) Auto_install script
wget -O airchaint https://raw.githubusercontent.com/111STAVR111/props/main/Airchains/airchaint && chmod +x airchaint && ./airchaint
2) Manual installation
Preparing the server
sudo apt update && sudo apt upgrade -y
sudo apt install curl tar wget clang pkg-config libssl-dev jq build-essential bsdmainutils git make ncdu gcc git jq chrony liblz4-tool -y
GO 1.21.6
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$ver.linux-amd64.tar.gz"
echo "export PATH=$PATH:/usr/local/go/bin:$HOME/go/bin" >> $HOME/.bash_profile
source $HOME/.bash_profile
go version
Build 22.03.25
cd $HOME && mkdir -p go/bin/
wget https://github.com/airchains-network/junction/releases/download/v0.3.1/junctiond-linux-amd64
chmod +x junctiond-linux-amd64
mv junctiond-linux-amd64 $HOME/go/bin/junctiond
junctiond version --long | grep -e commit -e version
commit: 4e7ded5ecb7d8bcbe9976f74db87c33a679a165e
Initiation
junctiond init STAVR_guide --chain-id=varanasi-1
Create/recover wallet
junctiond keys add <walletname>
OR
junctiond keys add <walletname> --recover
Download Genesis
wget -O $HOME/.junctiond/config/genesis.json "https://raw.githubusercontent.com/111STAVR111/props/main/Airchains/genesis.json"
sha256sum $HOME/.junctiond/config/genesis.json
2ed96ef2262d9f089a972ceaff36c416ff382ef7a26494b1d588da93713dd15c
Set up the minimum gas price and Peers/Seeds/Filter peers/MaxPeers
sed -i 's/minimum-gas-prices =.*$/minimum-gas-prices = "0.0025uamf"/' $HOME/.junctiond/config/app.toml
external_address=$(wget -qO- eth0.me)
sed -i.bak -e "s/^external_address *=.*/external_address = \"$external_address:26656\"/" $HOME/.junctiond/config/config.toml
peers=""
sed -i.bak -e "s/^persistent_peers *=.*/persistent_peers = \"$peers\"/" $HOME/.junctiond/config/config.toml
seeds=""
sed -i.bak -e "s/^seeds =.*/seeds = \"$seeds\"/" $HOME/.junctiond/config/config.toml
sed -i 's/max_num_inbound_peers =.*/max_num_inbound_peers = 50/g' $HOME/.junctiond/config/config.toml
sed -i 's/max_num_outbound_peers =.*/max_num_outbound_peers = 50/g' $HOME/.junctiond/config/config.toml
Pruning (optional)
pruning="custom"
pruning_keep_recent="1000"
pruning_keep_every="0"
pruning_interval="10"
sed -i -e "s/^pruning *=.*/pruning = \"$pruning\"/" $HOME/.junctiond/config/app.toml
sed -i -e "s/^pruning-keep-recent *=.*/pruning-keep-recent = \"$pruning_keep_recent\"/" $HOME/.junctiond/config/app.toml
sed -i -e "s/^pruning-keep-every *=.*/pruning-keep-every = \"$pruning_keep_every\"/" $HOME/.junctiond/config/app.toml
sed -i -e "s/^pruning-interval *=.*/pruning-interval = \"$pruning_interval\"/" $HOME/.junctiond/config/app.toml
Indexer (optional)
indexer="null" &&
sed -i -e "s/^indexer *=.*/indexer = \"$indexer\"/" $HOME/.junctiond/config/config.toml
Download addrbook
wget -O $HOME/.junctiond/config/addrbook.json "https://raw.githubusercontent.com/111STAVR111/props/main/Airchains/addrbook.json"
Create a service file
sudo tee /etc/systemd/system/junctiond.service > /dev/null <<EOF
[Unit]
Description=junction
After=network-online.target
[Service]
User=$USER
ExecStart=$(which junctiond) start
Restart=on-failure
RestartSec=3
LimitNOFILE=65535
[Install]
WantedBy=multi-user.target
EOF
StateSync Airchains Testnet
SNAP_RPC=https://airchains.rpc.t.stavr.tech:443
cp $HOME/.junctiond/data/priv_validator_state.json $HOME/.junctiond/priv_validator_state.json.backup
sed -i -e "/seeds =/ s/= .*/= \"$SEEDS\"/" $HOME/.junctiond/config/config.toml
LATEST_HEIGHT=$(curl -s $SNAP_RPC/block | jq -r .result.block.header.height); \
BLOCK_HEIGHT=$((LATEST_HEIGHT - 1000)); \
TRUST_HASH=$(curl -s "$SNAP_RPC/block?height=$BLOCK_HEIGHT" | jq -r .result.block_id.hash)
echo $LATEST_HEIGHT $BLOCK_HEIGHT $TRUST_HASH
sed -i.bak -E "s|^(enable[[:space:]]+=[[:space:]]+).*$|\1true| ; \
s|^(rpc_servers[[:space:]]+=[[:space:]]+).*$|\1\"$SNAP_RPC,$SNAP_RPC\"| ; \
s|^(trust_height[[:space:]]+=[[:space:]]+).*$|\1$BLOCK_HEIGHT| ; \
s|^(trust_hash[[:space:]]+=[[:space:]]+).*$|\1\"$TRUST_HASH\"| ; \
s|^(seeds[[:space:]]+=[[:space:]]+).*$|\1\"\"|" $HOME/.junctiond/config/config.toml
junctiond tendermint unsafe-reset-all --home $HOME/.junctiond--keep-addr-book
mv $HOME/.junctiond/priv_validator_state.json.backup $HOME/.junctiond/data/priv_validator_state.json
wget -O $HOME/.junctiond/config/addrbook.json "https://raw.githubusercontent.com/111STAVR111/props/main/Airchains/addrbook.json"
sudo systemctl restart junctiond && journalctl -fu junctiond -o cat
SnapShot Testnet updated every 5 hours
cd $HOME
apt install lz4
sudo systemctl stop junctiond
cp $HOME/.junctiond/data/priv_validator_state.json $HOME/.junctiond/priv_validator_state.json.backup
rm -rf $HOME/.junctiond/data
curl -o - -L https://airchains-t.snapshot.stavr.tech/airchain-snap.tar.lz4 | lz4 -c -d - | tar -x -C $HOME/.junctiond--strip-components 2
mv $HOME/.junctiond/priv_validator_state.json.backup $HOME/.junctiond/data/priv_validator_state.json
wget -O $HOME/.junctiond/config/addrbook.json "https://raw.githubusercontent.com/111STAVR111/props/main/Airchains/addrbook.json"
sudo systemctl restart junctiond && journalctl -fu junctiond -o cat
Start
sudo systemctl daemon-reload
sudo systemctl enable junctiond
sudo systemctl restart junctiond && sudo journalctl -fu junctiond -o cat
Create validator
#pubkey
junctiond tendermint show-validator --home /root/.junctiond
cd $HOME
nano /root/.junctiond/validator.json
{
"pubkey": {"#pubkey"},
"amount": "1000000amf",
"moniker": "STAVR_Guide",
"commission-rate": "0.05",
"commission-max-rate": "1",
"commission-max-change-rate": "1",
"min-self-delegation": "1"
}
junctiond tx staking create-validator $HOME/.junctiond/validator.json --from WalletName --fees 200amf --chain-id varanasi-1 -y
Monitoring
You can set up your node status alarm here - Monitoring
Security
You can create secure management of your wallet and your node by following this links.
TMKMS Wallet Security
Delete node
sudo systemctl stop junctiond
sudo systemctl disable junctiond
rm /etc/systemd/system/junctiond.service
sudo systemctl daemon-reload
cd $HOME
rm -rf .junctiond
rm -rf $(which junctiond)
