Instalation

💻 System Requirements

• OS: Linux

• CPU: 4 Core(s)

• Memory: 8 GB

• Storage: 500 GB

• Bandwidth : 100mbps Gbps for Download / Upload

📝Manual Installation

This guide is created under the assumption you are using Ubuntu 22.04 LTS If you use other OS, please modify the commands accordingly

# install dependencies, if needed
sudo apt update && sudo apt upgrade -y
sudo apt install curl git wget htop tmux build-essential jq make lz4 gcc unzip -y

# install go, if needed
cd $HOME
VER="1.21.3"
wget "https://golang.org/dl/go$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"
[ ! -f ~/.bash_profile ] && touch ~/.bash_profile
echo "export PATH=$PATH:/usr/local/go/bin:~/go/bin" >> ~/.bash_profile
source $HOME/.bash_profile
[ ! -d ~/go/bin ] && mkdir -p ~/go/bin

# set vars
echo "export WALLET="wallet"" >> $HOME/.bash_profile
echo "export MONIKER="test"" >> $HOME/.bash_profile
echo "export OG_CHAIN_ID="zgtendermint_9000-1"" >> $HOME/.bash_profile
echo "export OG_PORT="47"" >> $HOME/.bash_profile
source $HOME/.bash_profile

# download binary
cd $HOME
rm -rf 0g-evmos
git clone https://github.com/0glabs/0g-evmos.git
cd 0g-evmos
git checkout v1.0.0-testnet
make build
mv $HOME/0g-evmos/build/evmosd $HOME/go/bin/

# config and init app
evmosd config node tcp://localhost:${OG_PORT}657
evmosd config keyring-backend os
evmosd config chain-id zgtendermint_9000-1
evmosd init "test" --chain-id zgtendermint_9000-1

# download genesis and addrbook
wget -O $HOME/.evmosd/config/genesis.json https://testnet-files.itrocket.net/og/genesis.json
wget -O $HOME/.evmosd/config/addrbook.json https://testnet-files.itrocket.net/og/addrbook.json

# set seeds and peers
SEEDS="[e-mail]:47656"
PEERS=""
sed -i -e "s/^seeds *=.*/seeds = \"$SEEDS\"/; s/^persistent_peers *=.*/persistent_peers = \"$PEERS\"/" $HOME/.evmosd/config/config.toml

# set custom ports in app.toml
sed -i.bak -e "s%:1317%:${OG_PORT}317%g;
s%:8080%:${OG_PORT}080%g;
s%:9090%:${OG_PORT}090%g;
s%:9091%:${OG_PORT}091%g;
s%:8545%:${OG_PORT}545%g;
s%:8546%:${OG_PORT}546%g;
s%:6065%:${OG_PORT}065%g" $HOME/.evmosd/config/app.toml

# set custom ports in config.toml file
sed -i.bak -e "s%:26658%:${OG_PORT}658%g;
s%:26657%:${OG_PORT}657%g;
s%:6060%:${OG_PORT}060%g;
s%:26656%:${OG_PORT}656%g;
s%^external_address = \"\"%external_address = \"$(wget -qO- eth0.me):${OG_PORT}656\"%;
s%:26660%:${OG_PORT}660%g" $HOME/.evmosd/config/config.toml

# config pruning
sed -i -e "s/^pruning *=.*/pruning = \"custom\"/" $HOME/.evmosd/config/app.toml
sed -i -e "s/^pruning-keep-recent *=.*/pruning-keep-recent = \"100\"/" $HOME/.evmosd/config/app.toml
sed -i -e "s/^pruning-interval *=.*/pruning-interval = \"50\"/" $HOME/.evmosd/config/app.toml

# set minimum gas price, enable prometheus and disable indexing
sed -i 's|minimum-gas-prices =.*|minimum-gas-prices = "0agnet"|g' $HOME/.evmosd/config/app.toml
sed -i -e "s/prometheus = false/prometheus = true/" $HOME/.evmosd/config/config.toml
sed -i -e "s/^indexer *=.*/indexer = \"null\"/" $HOME/.evmosd/config/config.toml

# create service file
sudo tee /etc/systemd/system/evmosd.service > /dev/null <<EOF
[Unit]
Description=Og node
After=network-online.target
[Service]
User=$USER
WorkingDirectory=$HOME/.evmosd
ExecStart=$(which evmosd) start --home $HOME/.evmosd
Restart=on-failure
RestartSec=5
LimitNOFILE=65535
[Install]
WantedBy=multi-user.target
EOF

# reset and download snapshot
evmosd tendermint unsafe-reset-all --home $HOME/.evmosd
if curl -s --head curl https://testnet-files.itrocket.net/og/snap_og.tar.lz4 | head -n 1 | grep "200" > /dev/null; then
  curl https://testnet-files.itrocket.net/og/snap_og.tar.lz4 | lz4 -dc - | tar -xf - -C $HOME/.evmosd
    else
  echo no have snap
fi

# enable and start service
sudo systemctl daemon-reload
sudo systemctl enable evmosd
sudo systemctl restart evmosd && sudo journalctl -u evmosd -f

💾Create a Wallet (or Restore)

# to create a new wallet, use the following command. don’t forget to save the mnemonic
evmosd keys add $WALLET

# to restore exexuting wallet, use the following command
evmosd keys add $WALLET --recover

# save wallet and validator address
WALLET_ADDRESS=$(evmosd keys show $WALLET -a)
VALOPER_ADDRESS=$(evmosd keys show $WALLET --bech val -a)
echo "export WALLET_ADDRESS="$WALLET_ADDRESS >> $HOME/.bash_profile
echo "export VALOPER_ADDRESS="$VALOPER_ADDRESS >> $HOME/.bash_profile
source $HOME/.bash_profile

# check sync status, once your node is fully synced, the output from above will print "false"
evmosd status 2>&1 | jq 

# before creating a validator, you need to fund your wallet and check balance
evmosd query bank balances $WALLET_ADDRESS