💾Node Installation

Empower Mainnet guide

  • Minimum hardware requirements:

Node TypeCPURAMStorage

Mainnet

8

16GB

250GB

1) Auto_install script

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

URL=https://github.com/EmpowerPlastic/empowerchain/raw/main/mainnet/empowerchain-1/genesis.tar.gz
curl -L $URL | tar -xz -C $HOME/.empowerchain/config/

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\"/" $HOME/.empowerchain/config/config.toml
seeds="a1427b456513ab70967a2a5c618d347bc89e8848@seed.empowerchain.io:26656,6740fa259552a628266a85de8c2a3dee7702b8f9@empower-mainnet-seed.itrocket.net:14656,e16668ddd526f4e114ebb6c4714f0c18c0add8f8@empower-seed.zenscape.one:26656,f2ed98cf518b501b6d1c10c4a16d0dfbc4a9cc98@tenderseed.ccvalidators.com:27001"
sed -i.bak -e "s/^seeds =.*/seeds = \"$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://raw.githubusercontent.com/111STAVR111/props/main/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

SNAP_RPC=https://empw.rpc.m.stavr.tech:443
sed -i.bak -e "s/^persistent_peers *=.*/persistent_peers = \"$peers\"/" $HOME/.empowerchain/config/config.toml
LATEST_HEIGHT=$(curl -s $SNAP_RPC/block | jq -r .result.block.header.height); \
BLOCK_HEIGHT=$((LATEST_HEIGHT - 500)); \
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 $HOME/.empowerchain
curl -o - -L https://empw.wasm.stavr.tech/wasm-empw.tar.lz4 | lz4 -c -d - | tar -x -C $HOME/.empowerchain --strip-components 2
wget -O $HOME/.empowerchain/config/addrbook.json "https://raw.githubusercontent.com/111STAVR111/props/main/Empower/addrbook.json"
systemctl restart empowerd && journalctl -fu empowerd -o cat

SnapShot Mainnet updated every 5 hours

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
curl -o - -L https://empw-m.snapshot.stavr.tech/empw-snap.tar.lz4 | lz4 -c -d - | tar -x -C $HOME/.empowerchain --strip-components 2
curl -o - -L https://empw.wasm.stavr.tech/wasm-empw.tar.lz4 | lz4 -c -d - | tar -x -C $HOME/.empowerchain --strip-components 2
mv $HOME/.empowerchain/priv_validator_state.json.backup $HOME/.empowerchain/data/priv_validator_state.json
wget -O $HOME/.empowerchain/config/addrbook.json "https://raw.githubusercontent.com/111STAVR111/props/main/Empower/addrbook.json"
sudo systemctl restart empowerd && sudo journalctl -u empowerd -f -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

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)

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