Setup Airchains

Welcome to the new version of Junction, a cutting-edge blockchain platform designed for secure and efficient data management.

Recommended Hardware: 4 Core, 8Gb ram, 200Gb SSD NVMe Minumum Hardware: 2 Core, 4Gb ram, 40Gb SSD NVMe Ubuntu 22.04, x86 or arm

Faucet: Discord

Website: https://www.airchains.io/
Discord: https://discord.gg/airchains
X: https://twitter.com/airchains_io

Install Dependencies:

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sudo apt update && sudo apt upgarade -y
sudo apt-get install git curl build-essential make jq gcc snapd chrony lz4 tmux unzip bc -y

Install GO: (amd64 - x86)

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rm -rf $HOME/go
sudo rm -rf /usr/local/go
cd $HOME
curl https://dl.google.com/go/go1.21.8.linux-amd64.tar.gz | sudo tar -C/usr/local -zxvf -
cat <<'EOF' >>$HOME/.profile
export GOROOT=/usr/local/go
export GOPATH=$HOME/go
export GO111MODULE=on
export PATH=$PATH:/usr/local/go/bin:$HOME/go/bin
EOF
source $HOME/.profile
go version

Install GO: (arm64)

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rm -rf $HOME/go
sudo rm -rf /usr/local/go
cd $HOME
curl https://dl.google.com/go/go1.21.8.linux-arm64.tar.gz | sudo tar -C/usr/local -zxvf -
cat <<'EOF' >>$HOME/.profile
export GOROOT=/usr/local/go
export GOPATH=$HOME/go
export GO111MODULE=on
export PATH=$PATH:/usr/local/go/bin:$HOME/go/bin
EOF
source $HOME/.profile
go version

Install Airchains: amd64

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cd $HOME
wget https://github.com/airchains-network/junction/releases/download/v0.1.0/junctiond
chmod +x junctiond
sudo mv junctiond /usr/local/bin/
cd $HOME
junctiond version

Install Airchains: arm64 (Node39 build from project source)

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cd $HOME
wget https://node39.top/testnet/airchains/junctiond-linux-arm64
mv junctiond-linux-arm64 junctiond
chmod +x junctiond
sudo mv junctiond /usr/local/bin/

Set chain and Name Airchains: Change <Change-Name>

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junctiond init <Change-Name> --chain-id junction

Download Genesis & addressbook:

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curl -Ls https://node39.top/testnet/airchains/genesis.json > $HOME/.junction/config/genesis.json 
curl -Ls https://node39.top/testnet/airchains/addrbook.json > $HOME/.junction/config/addrbook.json

Peers:

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peers="[email protected]:26656,[email protected]:26656,[email protected]:26656,[email protected]:26656,[email protected]:26656,[email protected]:26656,[email protected]:56256,[email protected]:26656,[email protected]:26656,[email protected]:56256,[email protected]:26656,[email protected]:32656,[email protected]:26656,[email protected]:26656,[email protected]:26656,[email protected]:26656,[email protected]:26656,[email protected]:26656,[email protected]:26656,[email protected]:26656,[email protected]:26666,[email protected]:26656,[email protected]:26656,[email protected]:26656,[email protected]:17656,[email protected]:26656,[email protected]:26656,[email protected]:26656,[email protected]:26656,[email protected]:47656,[email protected]:26656,[email protected]:26656,[email protected]:26656,[email protected]:26656,[email protected]:26656,[email protected]:26656,[email protected]:26656,[email protected]:26656,[email protected]:26656,[email protected]:26656"
sed -i.bak -e "s/^persistent_peers *=.*/persistent_peers = \"$peers\"/" $HOME/.junction/config/config.toml

Create Service:

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sudo tee /etc/systemd/system/junctiond.service > /dev/null <<EOF
[Unit]
Description=junctiond
After=network-online.target
[Service]
User=root
ExecStart=$(which junctiond) start
Restart=always
RestartSec=3
LimitNOFILE=65535
[Install]
WantedBy=multi-user.target
EOF

sudo systemctl daemon-reload
sudo systemctl enable junctiond

Set min gas:

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sed -i 's|minimum-gas-prices =.*|minimum-gas-prices = "0.001amf"|g' $HOME/.junction/config/app.toml

Download Snapshort:

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sudo systemctl stop junctiond
cp $HOME/.junction/data/priv_validator_state.json $HOME/.junction/priv_validator_state.json.backup
curl https://node39.top/testnet/airchains/snapshort-airchains.tar.lz4 | lz4 -dc - | tar -xf - -C $HOME/.junction
mv $HOME/.junction/priv_validator_state.json.backup $HOME/.junction/data/priv_validator_state.json
sudo systemctl restart junctiond && sudo journalctl -u junctiond -f --no-hostname -o cat

Wallet:

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// Create wallet
junctiond keys add wallet

// Recover wallet
junctiond keys add wallet --recover

// Check Balance
junctiond q bank balances $(junctiond keys show wallet -a)

Check sync: (False -> done)

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junctiond status 2>&1 | jq .sync_info

Create validator:

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cd $HOME

// Check validator public key
junctiond comet show-validator

Ex: {"@type":"/cosmos.crypto.ed25519.PubKey","key":"sElDJvnNcALvCAirlerzK9tzsf5CXPmDPVz0Bvm9EjQ="}

// Create & edit file json
nano validator.json

{
	"pubkey": {"@type":"/cosmos.crypto.ed25519.PubKey","key":"sElDJvnNcALvCAirlerzK9tzsf5CXPmDPVz0Bvm9EjQ="},
	"amount": "1000000amf",
	"moniker": "<change-name>",
	"identity": "",
	"website": "",
	"security": "",
	"details": "",
	"commission-rate": "0.1",
	"commission-max-rate": "0.2",
	"commission-max-change-rate": "0.01",
	"min-self-delegation": "1"
}

// Create validator
junctiond tx staking create-validator validator.json --from wallet --chain-id junction --fees 5000amf -y

Delegate Token to your own validator:

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junctiond tx staking delegate $(junctiond keys show wallet --bech val -a)  1000000amf --from wallet --chain-id junction --fees 5000amf -y

Withdraw rewards and commission from your validator:

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junctiond tx distribution withdraw-rewards $(junctiond keys show wallet --bech val -a) --commission --from wallet --chain-id junction --fees 5000amf -y

Unjail validator:

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junctiond tx slashing unjail --from wallet --chain-id junction --fees 5000amf -y

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// Reload Service
sudo systemctl daemon-reload

// Enable Service
sudo systemctl enable junctiond

// Disable Service
sudo systemctl disable junctiond

// Start Service
sudo systemctl start junctiond

// Stop Service
sudo systemctl stop junctiond

// Restart Service
sudo systemctl restart junctiond

// Check Service Status
sudo systemctl status junctiond

// Check Service Logs
sudo journalctl -u junctiond -f --no-hostname -o cat

Detele node:

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sudo systemctl stop junctiond
sudo systemctl disable junctiond
sudo rm -rf /etc/systemd/system/junctiond.service
sudo rm $(which junctiond)
sudo rm -rf $HOME/.junction
sed -i "/AIRCHAIN_/d" $HOME/.bash_profile
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