💾Node Installation

Empower Mainnet guide

EXPLORER

• Minimum hardware requirements:

Node Type	CPU	RAM	Storage
Mainnet	8	16GB	250GB

1) Auto_install script

source <(curl -s https://raw.githubusercontent.com/111STAVR111/props/refs/heads/main/Empower/empwm)

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 20.12.23

cd $HOME && mkdir $HOME/go/bin/
wget https://github.com/EmpowerPlastic/empowerchain/releases/download/v2.0.0/empowerd-v2.0.0-linux-amd64.zip
unzip empowerd-v2.0.0-linux-amd64.zip && rm -rf empowerd-v2.0.0-linux-amd64.zip
chmod +x empowerd
mv empowerd $HOME/go/bin/

empowerd version --long | grep -e version -e commit

• version: v2.0.0

• commit: 70ad47fc878d1854fe279ebf99e3a9260b78099c

Initiation

empowerd init STAVR_guide --chain-id=empowerchain-1
empowerd config chain-id empowerchain-1

Create/recover wallet

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

Download Genesis

wget -L -O $HOME/.empowerchain/config/genesis.json https://server-1.stavr.tech/Mainnet/Empower/genesis.json

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

• 819d33d14c35bbfbc5997db9bf545eb7a5504b5870a307ce90c3813add4b316b

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

sed -i.bak -e "s/^minimum-gas-prices *=.*/minimum-gas-prices = \"0.025umpwr\"/" $HOME/.empowerchain/config/app.toml
external_address=$(wget -qO- eth0.me) 
sed -i.bak -e "s/^external_address *=.*/external_address = \"$external_address:26656\"/" $HOME/.empowerchain/config/config.toml
peers=""
sed -i.bak -e "s/^persistent_peers *=.*/persistent_peers = \"$peers\"/" $HOME/.empowerchain/config/config.toml
seeds=""
sed -i.bak -e "s/^seeds =.*/seeds = \"$seeds\"/" $HOME/.empowerchain/config/config.toml
sed -i 's/max_num_inbound_peers =.*/max_num_inbound_peers = 50/g' $HOME/.empowerchain/config/config.toml
sed -i 's/max_num_outbound_peers =.*/max_num_outbound_peers = 50/g' $HOME/.empowerchain/config/config.toml

Pruning (optional)

pruning="custom"
pruning_keep_recent="1000"
pruning_keep_every="0"
pruning_interval="100"
sed -i -e "s/^pruning *=.*/pruning = \"$pruning\"/" $HOME/.empowerchain/config/app.toml
sed -i -e "s/^pruning-keep-recent *=.*/pruning-keep-recent = \"$pruning_keep_recent\"/" $HOME/.empowerchain/config/app.toml
sed -i -e "s/^pruning-keep-every *=.*/pruning-keep-every = \"$pruning_keep_every\"/" $HOME/.empowerchain/config/app.toml
sed -i -e "s/^pruning-interval *=.*/pruning-interval = \"$pruning_interval\"/" $HOME/.empowerchain/config/app.toml

Indexer (optional)

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

Download addrbook

wget -O $HOME/.empowerchain/config/addrbook.json "https://server-1.stavr.tech/Mainnet/Empower/addrbook.json"

Create a service file

sudo tee /etc/systemd/system/empowerd.service > /dev/null <<EOF
[Unit]
Description=EmpowerChain Node
After=network.target

[Service]
User=$USER
Type=simple
ExecStart=$(which empowerd) start
Restart=on-failure
LimitNOFILE=65535

[Install]
WantedBy=multi-user.target
EOF

StateSync Empower Mainnet

systemctl stop empowerd
SNAP_RPC=https://empw.rpc.m.stavr.tech:443
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/.empowerchain/config/config.toml
empowerd tendermint unsafe-reset-all --home /root/.empowerchain
wget -O $HOME/.empowerchain/config/addrbook.json "https://server-1.stavr.tech/Mainnet/Empower/addrbook.json"
curl -o - -L https://empw.wasm.stavr.tech/wasm-empw.tar.lz4 | lz4 -c -d - | tar -x -C $HOME/.empowerchain
sudo systemctl restart empowerd && journalctl -fu empowerd -o cat

SnapShot Mainnet updated every 5 hours

https://server-1.stavr.tech/Mainnet/Empower/

cd $HOME
apt install lz4
sudo systemctl stop empowerd
cp $HOME/.empowerchain/data/priv_validator_state.json $HOME/.empowerchain/priv_validator_state.json.backup
rm -rf $HOME/.empowerchain/data
LATEST_SNAPSHOT=$(curl -s https://server-1.stavr.tech/Mainnet/Empower/ | grep -oE 'empower-snap-[0-9]+\.tar\.lz4' | while read SNAPSHOT; do HEIGHT=$(curl -s "https://server-1.stavr.tech/Mainnet/Empower/${SNAPSHOT%.tar.lz4}-info.txt" | awk '/Block height:/ {print $3}'); echo "$SNAPSHOT $HEIGHT"; done | sort -k2 -nr | head -n 1 | awk '{print $1}')
curl -o - -L https://server-1.stavr.tech/Mainnet/Empower/$LATEST_SNAPSHOT | lz4 -c -d - | tar -x -C $HOME/.empowerchain
curl -o - -L https://empw.wasm.stavr.tech/wasm-empw.tar.lz4 | lz4 -c -d - | tar -x -C $HOME/.empowerchain
mv $HOME/.empowerchain/priv_validator_state.json.backup $HOME/.empowerchain/data/priv_validator_state.json
wget -O $HOME/.empowerchain/config/addrbook.json "https://server-1.stavr.tech/Mainnet/Empower/addrbook.json"
sudo systemctl restart empowerd && journalctl -fu empowerd -o cat

Start

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

Create validator

empowerd tx staking create-validator \
--amount 1000000umpwr \
--from <walletname> \
--commission-max-change-rate "0.10" \
--commission-max-rate "0.20" \
--commission-rate "0.10" \
--min-self-delegation "1" \
--identity="" \
--details="" \
--website="" \
--pubkey $(empowerd tendermint show-validator) \
--moniker STAVR_guide \
--chain-id empowerchain-1 -y

🧩Services and Tools🧩

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