💾Node Installation

Empower Mainnet guide

EXPLORER

Minimum hardware requirements:

Node Type

CPU

RAM

Storage

Mainnet

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

You can check the size and time of snapshot creation with this command curl -sI https://server-1.stavr.tech/Mainnet/Empower/empower-snap-1.tar.lz4 | grep "last" && curl -sI https://server-1.stavr.tech/Mainnet/Empower/empower-snap-1.tar.lz4 | grep content-length | awk '{printf "%.2f GB\n", $2/1024/1024/1024}'

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)

PreviousEmpower NextStateSync/Snapshot

Last updated 15 days ago