Installation guide

Installation

​Hardware requirements

• Memory: 16 GB RAM

• CPU: 8 cores

• Disk: 250GB SSD

• Bandwidth: 1 GbpsLinux

• OS: (Ubuntu LTS release)​

Install required packages

sudo apt update && \
sudo apt install curl git jq build-essential gcc unzip wget lz4 -y

Install Go

cd $HOME && \
ver="1.22.0" && \
wget "https://golang.org/dl/go$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

Install Jackal binary

cd $HOME && mkdir $HOME/go/bin/
git clone https://github.com/AltheaFoundation/althea-L1/
git checkout v1.4.0
make install

Initialize the node

# Set node configuration
althea config chain-id althea_258432-1
althea config keyring-backend file
althea init $yourMONIKER --chain-id althea_258432-1

Download Genesis

wget -O $HOME/.althea/config/genesis.json "https://raw.githubusercontent.com/AltheaFoundation/althea-L1-docs/main/althea-l1-mainnet-genesis.json"

Set min. gas price

sed -i -e "s|^minimum-gas-prices *=.*|minimum-gas-prices = \"0.004aalthea\"|" $HOME/.althea/config/app.toml

Pruning / Indexer (optional)

pruning="custom"
pruning_keep_recent="1000"
pruning_keep_every="0"
pruning_interval="10"
sed -i -e "s/^pruning *=.*/pruning = \"$pruning\"/" $HOME/.althea/config/app.toml
sed -i -e "s/^pruning-keep-recent *=.*/pruning-keep-recent = \"$pruning_keep_recent\"/" $HOME/.althea/config/app.toml
sed -i -e "s/^pruning-keep-every *=.*/pruning-keep-every = \"$pruning_keep_every\"/" $HOME/.althea/config/app.toml
sed -i -e "s/^pruning-interval *=.*/pruning-interval = \"$pruning_interval\"/" $HOME/.althea/config/app.toml

indexer="null" &&
sed -i -e "s/^indexer *=.*/indexer = \"$indexer\"/" $HOME/.althea/config/config.toml

Create a service

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

[Service]
User=$USER
ExecStart=$(which althea) start
Restart=on-failure
RestartSec=3
LimitNOFILE=65535

[Install]
WantedBy=multi-user.target
EOF

Start the node

sudo systemctl daemon-reload && \
sudo systemctl enable althea && \
sudo systemctl restart althea && \
sudo journalctl -fu althea -o cat

Create a wallet for your validator

althea keys add yourwallet
althea keys add yourwallet --recover #in order to restore

#Check wallet balance
althea status | jq -r .sync_info

Create validator

althea tx saking create-validator \
  --amount 1000000aalthea \
  --from <yourwallet> \
  --commission-max-change-rate "0.1" \
  --commission-max-rate "0.2" \
  --commission-rate "0.1" \
  --min-self-delegation "1" \
  --pubkey  $(althea tendermint show-validator) \
  --moniker $yourMONIKER \
  --chain-id althea_258432-1 \
  --identity="" \
  --details="" \
  --website="" -y