💾Node Installation

Og Testnet guide

  • Minimum hardware requirements:

Node TypeCPURAMStorage

Testnet

4

8GB

150GB

1) Auto_install script

wget -O ogt https://raw.githubusercontent.com/111STAVR111/props/main/Og/ogt && chmod +x ogt && ./ogt

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 1.21.6

ver="1.21.6"
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 29.06.24

cd $HOME && mkdir -p go/bin/
git clone -b v0.2.3 https://github.com/0glabs/0g-chain.git
cd 0g-chain && make install

0gchaind version --long | grep -e version -e commit

  • version: 0.2.3

  • commit: 7852b602221f683b87ab9f7155cf8236a57159ff

Initiation

0gchaind init STAVR_guide --chain-id=zgtendermint_16600-2
0gchaind config chain-id zgtendermint_16600-2

Create/recover wallet

0gchaind keys add <walletname>
           OR
0gchaind keys add <walletname> --recover

Download Genesis

wget -O $HOME/.0gchain/config/genesis.json "https://raw.githubusercontent.com/111STAVR111/props/main/Og/genesis.json"

sha256sum $HOME/.0gchain/config/genesis.json

  • cc862760abd4cebb91935e7506a745a251074cdd44148a5c9ae4ee7539dd8d0a

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

sed -i.bak -e "s/^minimum-gas-prices *=.*/minimum-gas-prices = \"0.025ua0gi\"/;" ~/.0gchain/config/app.toml
external_address=$(wget -qO- eth0.me) 
sed -i.bak -e "s/^external_address *=.*/external_address = \"$external_address:26656\"/" $HOME/.0gchain/config/config.toml
peers=""
sed -i.bak -e "s/^persistent_peers *=.*/persistent_peers = \"$peers\"/" $HOME/.0gchain/config/config.toml
seeds=""
sed -i.bak -e "s/^seeds =.*/seeds = \"$seeds\"/" $HOME/.0gchain/config/config.toml
sed -i 's/max_num_inbound_peers =.*/max_num_inbound_peers = 50/g' $HOME/.0gchain/config/config.toml
sed -i 's/max_num_outbound_peers =.*/max_num_outbound_peers = 50/g' $HOME/.0gchain/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\"/" $HOME/.0gchain/config/app.toml
sed -i -e "s/^pruning-keep-recent *=.*/pruning-keep-recent = \"$pruning_keep_recent\"/" $HOME/.0gchain/config/app.toml
sed -i -e "s/^pruning-keep-every *=.*/pruning-keep-every = \"$pruning_keep_every\"/" $HOME/.0gchain/config/app.toml
sed -i -e "s/^pruning-interval *=.*/pruning-interval = \"$pruning_interval\"/" $HOME/.0gchain/config/app.toml

Indexer (optional)

indexer="null" &&
sed -i -e "s/^indexer *=.*/indexer = \"$indexer\"/" $HOME/.0gchain/config/config.toml

Download addrbook

wget -O $HOME/.0gchain/config/addrbook.json "https://raw.githubusercontent.com/111STAVR111/props/main/Og/addrbook.json"

Create a service file

sudo tee /etc/systemd/system/0gchaind.service > /dev/null <<EOF
[Unit]
Description=0gchaind
After=network-online.target

[Service]
User=$USER
ExecStart=$(which 0gchaind) start
Restart=on-failure
RestartSec=3
LimitNOFILE=65535

[Install]
WantedBy=multi-user.target
EOF

StateSync Og Testnet

SNAP_RPC=https://og.rpc.t.stavr.tech:443
peers="2bc0ae326967ef62a34df4a37b55aa28262a60c2@og.seed-t.stavr.tech:34106"
sed -i.bak -e "s/^persistent_peers *=.*/persistent_peers = \"$peers\"/" $HOME/.0gchain/config/config.toml
LATEST_HEIGHT=$(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/.0gchain/config/config.toml
0gchaind tendermint unsafe-reset-all --home $HOME/.0gchain
wget -O $HOME/.0gchain/config/addrbook.json "https://raw.githubusercontent.com/111STAVR111/props/main/Og/addrbook.json"
systemctl restart 0gchaind && journalctl -fu 0gchaind -o cat

SnapShot Testnet updated every 5 hours

cd $HOME
snap install lz4
sudo systemctl stop 0gchaind 
cp $HOME/.0gchain/data/priv_validator_state.json $HOME/.0gchain/priv_validator_state.json.backup
rm -rf $HOME/.0gchain/data
curl -o - -L https://og.snapshot.stavr.tech/og-snap.tar.lz4 | lz4 -c -d - | tar -x -C $HOME/.0gchain --strip-components 2
mv $HOME/.0gchain/priv_validator_state.json.backup $HOME/.0gchain/data/priv_validator_state.json
wget -O $HOME/.0gchain/config/addrbook.json "https://raw.githubusercontent.com/111STAVR111/props/main/Og/addrbook.json"
sudo systemctl restart 0gchaind  && journalctl -fu 0gchaind -o cat

Start

sudo systemctl daemon-reload
sudo systemctl enable 0gchaind  
sudo systemctl restart 0gchaind  && sudo journalctl -fu 0gchaind  -o cat

Create validator

0gchaind tx staking create-validator \
  --amount=10000000000000000ua0gi \
  --pubkey=$(0gchaind tendermint show-validator) \
  --moniker="STAVR_guide" \
  --chain-id=zgtendermint_16600-1 \
  --commission-rate=0.05 \
  --commission-max-rate=0.1 \
  --commission-max-change-rate=0.1 \
  --min-self-delegation=1 \
  --from=STAVR1 \
  --identity="" \
  --details="" \
  --website="" \
  --gas=500000 --gas-prices=99999ua0gi -y

Delete node

sudo systemctl stop 0gchaind
sudo systemctl disable 0gchaind
rm /etc/systemd/system/0gchaind.service
sudo systemctl daemon-reload
cd $HOME
rm -rf 0g-chain
rm -rf .0gchain
rm -rf $(which 0gchaind)

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