> For the complete documentation index, see [llms.txt](https://docs.validator247.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.validator247.com/testnet/0g_lab.md). # 0G\_Lab Info > > > > > Explorer > > > ## Hardware Requirement ``` - Memory: 64 GB - CPU: 8 cores - Disk: 1 TB NVME SSD - Bandwidth: 100 MBps for Download / Upload ``` ## Installation guide Install required packages ``` sudo apt update && \ sudo apt install curl git jq build-essential gcc unzip wget lz4 -y ``` Install Go ``` 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" && \ echo "export PATH=$PATH:/usr/local/go/bin:$HOME/go/bin" >> $HOME/.bash_profile && \ source $HOME/.bash_profile && \ go version ``` Install 0gchaind ``` git clone -b v0.1.0 https://github.com/0glabs/0g-chain.git ./0g-chain/networks/testnet/install.sh source .profile ``` Set Chain ID ``` 0gchaind config chain-id zgtendermint_16600-1 ``` Initialize Node ``` 0gchaind init --chain-id zgtendermint_16600-1 ``` Download Genesis File & Download Addrbook ``` wget https://raw.githubusercontent.com/Validator247/0G-Lab-chain-id-16600-1/main/genesis.json wget https://raw.githubusercontent.com/Validator247/0G-Lab-chain-id-16600-1/main/addrbook.json ``` Seeds & Peers ``` PEERS="f878d40c538c8c23653a5b70f615f8dccec6fb9f@54.215.187.94:26656,9d88e34a436ec1b50155175bc6eba89e7a1f0e9a@213.199.61.18:26656" SEEDS="" sed -i -e "s/^seeds =./seeds = "$SEEDS"/; s/^persistent_peers =./persistent_peers = "$PEERS"/" $HOME/.0gchain/config/config.toml ``` Create Service ``` sudo tee /etc/systemd/system/0gchaind.service > /dev/null << EOF [Unit] Description=0G node service After=network-online.target [Service] User=root ExecStart=/root/go/bin/0gchaind start Restart=on-failure RestartSec=10 LimitNOFILE=65535 [Install] WantedBy=multi-user.target EOF sudo systemctl enable 0gchaind sudo systemctl daemon-reload ``` ## **State Sync** ``` sudo systemctl stop 0gchaind SNAP_RPC="https://0g-testnet-rpc.validator247.com" cp $HOME/.0gchain/data/priv_validator_state.json $HOME/.0gchain/priv_validator_state.json.backup 0gchaind tendermint unsafe-reset-all --home ~/.warden/ --keep-addr-book LATEST_HEIGHT=$(curl -s $SNAP_RPC/block | jq -r .result.block.header.height); \ BLOCK_HEIGHT=$((LATEST_HEIGHT - 2000)); \ 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\"|" ~/.0gchain/config/config.toml more ~/.0gcaind/config/config.toml | grep 'rpc_servers' more ~/.0gchain/config/config.toml | grep 'trust_height' more ~/.0gchain/config/config.toml | grep 'trust_hash' sudo mv $HOME/.0gchain/priv_validator_state.json.backup $HOME/.0gchain/data/priv_validator_state.json sudo systemctl restart 0gchaind && journalctl -u 0gchaind -f -o cat ``` ## **Launch Node** ``` sudo systemctl restart 0gchaind && journalctl -u 0gchaind -f -o cat ``` ## Service command ``` sudo systemctl daemon-reload sudo systemctl enable 0gchaind sudo systemctl disable 0gchaind sudo systemctl start 0gchaind sudo systemctl stop 0gchaind sudo systemctl restart 0gchaind sudo systemctl status 0gchaind sudo journalctl -u 0gchaind -f -o cat ``` ## Create wallet ``` 0gchaind keys add wallet --eth ``` get your key’s private key ``` 0gchaind keys unsafe-export-eth-key wallet ``` Convert from Cosmos wallet to evm ``` echo "0x$(0gchaind debug addr 0g1dywsndf7xh5n3l690cpgw67j8ekjy9wlp8z8dg | grep hex | awk '{print $3}')" ``` ## Create Validator ``` 0gchaind tx staking create-validator \ --amount=1000000ua0gi \ --pubkey=$(0gchaind tendermint show-validator) \ --moniker="nodename" \ --identity="keybase" \ --website="zzzzzzz" \ --security-contact="vzzzzzz@gmail.com" \ --details="love validator247" \ --chain-id=zgtendermint_16600-1 \ --commission-rate="0.10" \ --commission-max-rate="0.20" \ --commission-max-change-rate="0.01" \ --min-self-delegation=1 \ --from=wallet \ --fees=10000ua0gi \ --gas=300000 \ -y ``` Delegate your validator ( Change the information as appropriate for your node ) ``` 0gchaind tx staking delegate 0gvaloper1yrxeg4symqpfv5r3p9jemkwkgm284j5xgusn6g 980000ua0gi --chain-id=zgtendermint_16600-1 --from wallet --fees=20000ua0gi -y ``` --- # Agent Instructions This documentation is published with GitBook. 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