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0G

0G is the first decentralized AI operating system designed to power the future of AI infrastructure. Built as the fastest modular AI blockchain, it provides unmatched scalability with 50,000x faster performance and 100x lower costs than competitors, enabling seamless integration of Web3 and AI applications

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RPC API

Minimum Hardware

NODE CPU RAM SSD OS
0G 8 64 1 TB Ubuntu 22.04 LTS

Install dependencies

sudo apt update && \
sudo apt install curl git jq build-essential gcc unzip wget lz4 -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 Binary

WASMVM_VERSION=v2.1.2
export LD_LIBRARY_PATH=~/.pellcored/lib
mkdir -p $LD_LIBRARY_PATH
wget "https://github.com/CosmWasm/wasmvm/releases/download/$WASMVM_VERSION/libwasmvm.$(uname -m).so" -O "$LD_LIBRARY_PATH/libwasmvm.$(uname -m).so"
echo "export LD_LIBRARY_PATH=$HOME/.pellcored/lib:$LD_LIBRARY_PATH" >> $HOME/.bash_profile
source ~/.bash_profile

Config and Init App

pellcored config node tcp://localhost:${PELL_PORT}657
pellcored config keyring-backend os
pellcored config chain-id ignite_186-1
pellcored init "test" --chain-id ignite_186-1

Download Genesis and Addrbook

wget -O $HOME/.pellcored/config/genesis.json https://server-5.itrocket.net/testnet/pell/genesis.json
wget -O $HOME/.pellcored/config/addrbook.json  https://server-5.itrocket.net/testnet/pell/addrbook.json

Set Seeds and Peers

SEEDS="5f10959cc96b5b7f9e08b9720d9a8530c3d08d19@pell-testnet-seed.itrocket.net:58656"
PEERS="d003cb808ae91bad032bb94d19c922fe094d8556@pell-testnet-peer.itrocket.net:58656"
sed -i -e "/^\[p2p\]/,/^\[/{s/^[[:space:]]*seeds *=.*/seeds = \"$SEEDS\"/}" \
       -e "/^\[p2p\]/,/^\[/{s/^[[:space:]]*persistent_peers *=.*/persistent_peers = \"$PEERS\"/}" $HOME/.pellcored/config/config.toml

Set Custom Ports

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

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

# config pruning
sed -i -e "s/^pruning *=.*/pruning = \"custom\"/" $HOME/.pellcored/config/app.toml 
sed -i -e "s/^pruning-keep-recent *=.*/pruning-keep-recent = \"100\"/" $HOME/.pellcored/config/app.toml
sed -i -e "s/^pruning-interval *=.*/pruning-interval = \"19\"/" $HOME/.pellcored/config/app.toml

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

Create Service File

sudo tee /etc/systemd/system/pellcored.service > /dev/null <<'EOF'
[Unit]
Description=Pell node
After=network-online.target

[Service]
User=$USER
WorkingDirectory=$HOME/.pellcored
ExecStart=$(which pellcored) start --home $HOME/.pellcored
Environment=LD_LIBRARY_PATH=$HOME/.pellcored/lib/
Restart=on-failure
RestartSec=5
LimitNOFILE=65535

[Install]
WantedBy=multi-user.target
EOF

Snapshot

pellcored tendermint unsafe-reset-all --home $HOME/.pellcored
if curl -s --head curl https://server-5.itrocket.net/testnet/pell/pell_2024-12-15_133774_snap.tar.lz4 | head -n 1 | grep "200" > /dev/null; then
  curl https://server-5.itrocket.net/testnet/pell/pell_2024-12-15_133774_snap.tar.lz4 | lz4 -dc - | tar -xf - -C $HOME/.pellcored
    else
  echo "no snapshot found"
fi

Start

sudo systemctl daemon-reload
sudo systemctl enable pellcored
sudo systemctl restart pellcored && sudo journalctl -u pellcored -f

Create / Restore Address

pellcored keys add $WALLET
pellcored keys add $WALLET --recover

WALLET_ADDRESS=$(pellcored keys show $WALLET -a)
VALOPER_ADDRESS=$(pellcored 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 Balance

pellcored q bank balances $WALLET_ADDRESS

Create Validator

cd $HOME
# Create validator.json file
echo "{\"pubkey\":{\"@type\":\"/cosmos.crypto.ed25519.PubKey\",\"key\":\"$(pellcored comet show-validator | grep -Po '\"key\":\s*\"\K[^"]*')\"},
\"amount\": \"1000000pell\",
\"moniker\": \"test\",
\"identity\": \"\",
\"website\": \"\",
\"security\": \"\",
\"details\": \"my validator\",
\"commission-rate\": \"0.1\",
\"commission-max-rate\": \"0.2\",
\"commission-max-change-rate\": \"0.01\",
\"min-self-delegation\": \"1\"
}" > validator.json
# Create a validator using the JSON configuration
pellcored tx staking create-validator validator.json \
--from $WALLET \
--chain-id ignite_186-1 \
--gas auto --gas-adjustment 1.5

Stake

pellcored tx staking delegate $(pellcored keys show $WALLET --bech val -a) 1000000pell --from $WALLET --chain-id ignite_186-1 --gas auto --gas-adjustment 1.5 -y

Unjail Validator

pellcored tx slashing unjail --from $WALLET --chain-id ignite_186-1 --gas auto --gas-adjustment 1.5 -y

Vote

pellcored tx gov vote (vote_id) yes --from $WALLET --chain-id ignite_186-1  --gas auto --gas-adjustment 1.5 -y

Delete node

sudo systemctl stop pellcored
sudo systemctl disable pellcored
sudo rm -rf /etc/systemd/system/pellcored.service
sudo rm $(which pellcored)
sudo rm -rf $HOME/.pellcored
sed -i "/PELL_/d" $HOME/.bash_profile