0G Full node - Auto upgrade

System updates:

sudo apt update
sudo apt install curl git make jq build-essential gcc unzip wget lz4 aria2 -y

Install Go

cd $HOME && \
ver="1.22.0" && \
wget "https://golang.org/dl/go$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" >> ~/.bash_profile && \
source ~/.bash_profile && \
go version

Download and build Binary

cd $HOME
rm -rf 0g-chain
git clone https://github.com/0glabs/0g-chain.git
cd 0g-chain
git checkout v0.2.5
git submodule update --init
make install
0gchaind version

Node init

Replace: Your_Node_name

0gchaind config keyring-backend os
0gchaind config chain-id zgtendermint_16600-2
0gchaind init "Your_Node_name" --chain-id zgtendermint_16600-2
0gchaind config node tcp://localhost:26657

Download genesis.json file

rm ~/.0gchain/config/genesis.json
wget -P ~/.0gchain/config https://github.com/0glabs/0g-chain/releases/download/v0.2.3/genesis.json

PEERS, SEED setting

SEEDS="81987895a11f6689ada254c6b57932ab7ed909b6@54.241.167.190:26656,010fb4de28667725a4fef26cdc7f9452cc34b16d@54.176.175.48:26656,e9b4bc203197b62cc7e6a80a64742e752f4210d5@54.193.250.204:26656,68b9145889e7576b652ca68d985826abd46ad660@18.166.164.232:26656,8f21742ea5487da6e0697ba7d7b36961d3599567@og-testnet-seed.itrocket.net:47656"
PEERS="80fa309afab4a35323018ac70a40a446d3ae9caf@og-testnet-peer.itrocket.net:11656,90490155eb1e28a00cb9000657ef53cf9822e9e2@185.245.182.248:12656,6d0e4af8b817dbb81266d6c6710033896f1d65cb@158.220.103.216:12656,881b2297ac90fdf6803136101c1b33eeb52a0bcc@213.199.37.74:12656,2de20431412255201b960a0713c3a3f6fdbeb7e7@173.249.19.219:12656,9b6346424a9b1357bae659a51dbbb8d1c4d1366f@173.249.58.134:12656,055e3e65fd72102f389372564e0107e3ee5022fa@167.86.95.218:12656,0ada3d654c01607d585793943b37335a97a56691@213.239.195.210:12656,3f4ee55632cbd8694c7e5d173f10d7d7b23a5ec1@138.201.185.45:12656,2d780e7cae16cf25dfb992e294d5f672ae8a65ac@185.190.140.189:12656,85eec3750270e50ea73c46b1caa72e7110fa7b1b@156.67.81.129:12656,d619b3c8a0cc49b52ce68b45d8ebe2b9060a3f0a@149.50.111.193:12656,6ea4a3942152a33a50c54cc60aa311fd43cc71d7@144.91.93.99:12656,d7c847d92cf2714d3018cecd6476b6ef86b4240b@66.94.113.206:12656,85f1a5c5e62bbe59d9764453bf4624dc261a53f7@38.242.237.56:12656,1754dac0846c42ebe21fe1935eda0311d567d6a9@45.14.194.144:12656,7e49c7c5d8cf1a4f79d3a2c4a2c3597d144e638e@156.67.81.135:12656"
sed -i -e "/^\[p2p\]/,/^\[/{s/^[[:space:]]*seeds *=.*/seeds = \"$SEEDS\"/}" \
       -e "/^\[p2p\]/,/^\[/{s/^[[:space:]]*persistent_peers *=.*/persistent_peers = \"$PEERS\"/}" $HOME/.0gchain/config/config.toml

Config pruning, set gas price, enable prometheus, disable indexer

sed -i -e "s/^pruning *=.*/pruning = \"custom\"/" $HOME/.0gchain/config/app.toml
sed -i -e "s/^pruning-keep-recent *=.*/pruning-keep-recent = \"100\"/" $HOME/.0gchain/config/app.toml
sed -i -e "s/^pruning-interval *=.*/pruning-interval = \"50\"/" $HOME/.0gchain/config/app.toml

sed -i 's|minimum-gas-prices =.*|minimum-gas-prices = "0.00025ua0gi"|g' $HOME/.0gchain/config/app.toml
sed -i -e "s/prometheus = false/prometheus = true/" $HOME/.0gchain/config/config.toml
sed -i -e "s/^indexer *=.*/indexer = \"null\"/" $HOME/.0gchain/config/config.toml

Download cosmovisor script to install

wget https://raw.githubusercontent.com/0glabs/0g-chain/dev/networks/testnet/init-cosmovisor.sh

Check Script content

nano init-cosmovisor.sh

Script:

#!/bin/bash

if [ -z "$1" ]; then
    echo "Usage: $0 <0G Home>"
    exit 1
fi

go install cosmossdk.io/tools/cosmovisor/cmd/cosmovisor@latest

export DAEMON_NAME=0gchaind
echo "export DAEMON_NAME=0gchaind" >> ~/.profile
export DAEMON_HOME=$1
echo "export DAEMON_HOME=$1" >> ~/.profile
cosmovisor init $(whereis -b 0gchaind | awk '{print $2}')
mkdir $DAEMON_HOME/cosmovisor/backup
echo "export DAEMON_DATA_BACKUP_DIR=$DAEMON_HOME/cosmovisor/backup" >> ~/.profile
echo "export DAEMON_ALLOW_DOWNLOAD_BINARIES=true" >> ~/.profile

Run script

Before running this script, make sure Go is loaded in your current shell session. If you haven’t loaded Go yet, please run the following command:

source ~/.profile
chmod +x init-cosmovisor.sh
./init-cosmovisor.sh /root/.0gchain

Reload profile

source ~/.profile

0G banner”

Create service file

sudo tee /etc/systemd/system/0gd.service > /dev/null <<EOF
[Unit]
Description=Cosmovisor 0G Node
After=network.target

[Service]
User=root
Type=simple
ExecStart=/root/go/bin/cosmovisor run start --log_output_console
Restart=on-failure
LimitNOFILE=65535
Environment="DAEMON_NAME=0gchaind"
Environment="DAEMON_HOME=/root/.0gchain"
Environment="DAEMON_ALLOW_DOWNLOAD_BINARIES=true"
Environment="DAEMON_RESTART_AFTER_UPGRADE=true"
Environment="DAEMON_DATA_BACKUP_DIR=/root/.0gchain/cosmovisor/backup"
Environment="UNSAFE_SKIP_BACKUP=true"

[Install]
WantedBy=multi-user.target
EOF

Start service

sudo systemctl daemon-reload && \
sudo systemctl enable 0gd && \
sudo systemctl restart 0gd && sudo systemctl status 0gd

Check log

sudo journalctl -u 0gd -f -o cat

tail -f /root/.0gchain/log/chain.log