💾Node Installation

Althea Mainnet guide

  • Minimum hardware requirements:

Node TypeCPURAMStorage

Mainnet

8

16GB

250GB

1) Auto_install script

wget -O altheam https://raw.githubusercontent.com/111STAVR111/props/main/Althea/altheam && chmod +x altheam && ./altheam

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 26.04.24

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

althea version --long | head

  • version: v1.4.0

  • commit: 8bf067c7cfb6105f7a14e0c4e0361cff27e6b495

Initiation

althea init STAVR_guide --chain-id=althea_258432-1
althea config chain-id althea_258432-1

Create/recover wallet

althea keys add <walletname>
           OR
althea keys add <walletname> --recover

Download Genesis

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

sha256sum $HOME/.althea/config/genesis.json

  • cfe4c408e759bdc64fb2c12db653ce385dbbbf73d593d5eb4ba6cd1f9a67c15f

Set up the minimum gas price and Peers/Seeds/Filter peers/MaxPeers

sed -i.bak -e "s/^minimum-gas-prices *=.*/minimum-gas-prices = \"0.0aalthea\"/;" ~/.althea/config/app.toml
external_address=$(wget -qO- eth0.me) 
sed -i.bak -e "s/^external_address *=.*/external_address = \"$external_address:26656\"/" $HOME/.althea/config/config.toml
peers="4d9c73a9e541453b56add8fadf0839fd1442d979@15.235.115.155:17200,a0eca501485cc74e0568973ef502d05023f6500d@158.247.226.255:17200,ab9a9e6ea747839652dfe4480e66a5eb78a385e8@51.81.167.60:17200,46ad21a616527181ea3d992339268a5a25c771fa@95.216.38.96:14656"
sed -i.bak -e "s/^persistent_peers *=.*/persistent_peers = \"$peers\"/" $HOME/.althea/config/config.toml
seeds=""
sed -i.bak -e "s/^seeds =.*/seeds = \"$seeds\"/" $HOME/.althea/config/config.toml
sed -i 's/max_num_inbound_peers =.*/max_num_inbound_peers = 50/g' $HOME/.althea/config/config.toml
sed -i 's/max_num_outbound_peers =.*/max_num_outbound_peers = 50/g' $HOME/.althea/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\"/" $HOME/.althea/config/app.toml
sed -i -e "s/^pruning-keep-recent *=.*/pruning-keep-recent = \"$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 (optional)

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

Download addrbook

wget -O $HOME/.althea/config/addrbook.json "https://raw.githubusercontent.com/111STAVR111/props/main/Althea/addrbook.json"

Create a service file

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

StateSync Althea Mainnet

SNAP_RPC=https://althea.rpc.m.stavr.tech:443
peers="063fec5334040572f55b06f9ff6284d0f2f01ced@althea.peers.stavr.tech:17886"
sed -i.bak -e "s/^persistent_peers *=.*/persistent_peers = \"$peers\"/" $HOME/.althea/config/config.toml
LATEST_HEIGHT=$(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/.althea/config/config.toml
althea tendermint unsafe-reset-all --home /root/.althea
systemctl restart althea && journalctl -u althea -f -o cat

SnapShot Mainnet updated every 5 hours

cd $HOME
apt install lz4
sudo systemctl stop althea
cp $HOME/.althea/data/priv_validator_state.json $HOME/.althea/priv_validator_state.json.backup
rm -rf $HOME/.althea/data
curl -o - -L https://althea.snapshot.stavr.tech/althea-snap.tar.lz4 | lz4 -c -d - | tar -x -C $HOME/.althea --strip-components 2
mv $HOME/.althea/priv_validator_state.json.backup $HOME/.althea/data/priv_validator_state.json
wget -O $HOME/.althea/config/addrbook.json "https://raw.githubusercontent.com/111STAVR111/props/main/Althea/addrbook.json"
sudo systemctl restart althea && journalctl -u althea -f -o cat

Start

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

Create validator

althea tx staking create-validator \
--commission-rate 0.1 \
--commission-max-rate 1 \
--commission-max-change-rate 1 \
--min-self-delegation "1" \
--amount 1000000000000000000aalthea \
--pubkey $(althea tendermint show-validator) \
--from <wallet> \
--moniker="STAVR_guide" \
--chain-id althea_258432-1 \
--gas 300000 \
--fees 30000000000000000aalthea \
--identity="" \
--website="" \
--details="" -y

Delete node

sudo systemctl stop althea
sudo systemctl disable althea
rm /etc/systemd/system/althea.service
sudo systemctl daemon-reload
cd $HOME
rm -rf althea-chain
rm -rf .althea
rm -rf $(which althea)

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