💾Node Installation

Elys Mainnet guide

EXPLORER

  • Minimum hardware requirements:

Node Type
CPU
RAM
Storage

Mainnet

8

16GB

150GB

1) Auto_install script

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

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 1.23.1

ver="1.23.1"
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 20.12.24

cd $HOME && mkdir -p go/bin/
git clone https://github.com/elys-network/elys.git
cd elys
git checkout v1.4.0
make install

elysd version --long | grep -e version -e commit

  • version: v1.4.0

  • commit: a8ed2d79b4d0d22e19ca86488f33404ebee0d793

Initiation

elysd init STAVR_Guide --chain-id elys-1

Create/recover wallet

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

Download Addrbook and Genesis

wget -O $HOME/.elys/config/addrbook.json "https://server-1.stavr.tech/Mainnet/Elys/genesis.json"
wget -O $HOME/.elys/config/genesis.json "https://server-1.stavr.tech/Mainnet/Elys/genesis.json"

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

  • 87b7e5d9bc7229289c095f52761580d9d3fd8dd2c04c5e6966d9eb2697a4d2c1

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

sed -i 's|minimum-gas-prices =.*|minimum-gas-prices = "0.0003uelys"|g' $HOME/.elys/config/app.toml
sed -i -e "s/^filter_peers *=.*/filter_peers = \"true\"/" $HOME/.elys/config/config.toml
external_address=$(wget -qO- eth0.me) 
sed -i.bak -e "s/^external_address *=.*/external_address = \"$external_address:26656\"/" $HOME/.elys/config/config.toml
peers=""
sed -i.bak -e "s/^persistent_peers *=.*/persistent_peers = \"$peers\"/" $HOME/.elys/config/config.toml
seeds=""
sed -i.bak -e "s/^seeds =.*/seeds = \"$seeds\"/" $HOME/.elys/config/config.toml
sed -i 's/max_num_inbound_peers =.*/max_num_inbound_peers = 50/g' $HOME/.elys/config/config.toml
sed -i 's/max_num_outbound_peers =.*/max_num_outbound_peers = 50/g' $HOME/.elys/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\"/" $HOME/.elys/config/app.toml
sed -i -e "s/^pruning-keep-recent *=.*/pruning-keep-recent = \"$pruning_keep_recent\"/" $HOME/.elys/config/app.toml
sed -i -e "s/^pruning-keep-every *=.*/pruning-keep-every = \"$pruning_keep_every\"/" $HOME/.elys/config/app.toml
sed -i -e "s/^pruning-interval *=.*/pruning-interval = \"$pruning_interval\"/" $HOME/.elys/config/app.toml

Indexer (optional)

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

Create a service file

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

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

[Install]
WantedBy=multi-user.target
EOF

StateSync Elys Mainnet

systemctl stop elysd
SNAP_RPC=https://elys.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/.elys/config/config.toml
elysd tendermint unsafe-reset-all --home /root/.elys
wget -O $HOME/.elys/config/addrbook.json "https://server-1.stavr.tech/Mainnet/Elys/addrbook.json"
sudo systemctl restart elysd && journalctl -fu elysd -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/Elys/elys-snap-1.tar.lz4 | grep "last" && curl -sI https://server-1.stavr.tech/Mainnet/Elys/elys-snap-1.tar.lz4 | grep content-length | awk '{printf "%.2f GB\n", $2/1024/1024/1024}'

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

Start

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

Create validator

#pubkey
elysd tendermint show-validator --home /root/.elys
nano $HOME/.elys/validator.json
{
  "pubkey": {"#pubkey"},
  "amount": "1000000uelys",
  "moniker": "STAVR_guide",
  "identity": "",
  "website": "",
  "security": "",
  "details": "",
  "commission-rate": "0.05",
  "commission-max-rate": "0.2",
  "commission-max-change-rate": "0.2",
  "min-self-delegation": "1"
}
elysd tx staking create-validator $HOME/.elys/validator.json --from=WalletName --chain-id=elys-1 --fees 100uelys -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 elysd
sudo systemctl disable elysd
rm /etc/systemd/system/elysd.service
sudo systemctl daemon-reload
cd $HOME
rm -rf elys
rm -rf .elys
rm -rf $(which elysd)
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