💾Node Installation

Sge Testnet guide

EXPLORER

• Minimum hardware requirements:

Node Type	CPU	RAM	Storage
Testnet	4	8GB	250GB

1) Auto_install script

source <(curl -s https://raw.githubusercontent.com/111STAVR111/props/refs/heads/main/Sge/Testnet/sgge)

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 1.23.1

ver="1.23.1"
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 06.03.25

cd $HOME && mkdir -p go/bin/
git clone https://github.com/sge-network/sge
cd sge
git checkout v1.8.1
make install

sged version --long | grep -e commit -e version

• version: v1.8.1

• commit: 8127db86beb05972299cc65621f4834b19efe864

Initiation

sged init STAVR_guide --chain-id=sge-network-4
sged config chain-id sge-network-4

Create/recover wallet

sged keys add <walletname>
           OR
sged keys add <walletname> --recover

Download Addrbook and Genesis

wget -O $HOME/.sge/config/addrbook.json "https://server-1.stavr.tech/Testnet/Sge/addrbook.json"
wget -O $HOME/.sge/config/genesis.json "https://server-1.stavr.tech/Testnet/Sge/genesis.json"

sha256sum $HOME/.sge/config/genesis.json

• 08f37f99e33fe2521ff1d1128b437f6351018bad871aedb942c9167d2d83964b

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

sed -i -e "s/^minimum-gas-prices *=.*/minimum-gas-prices = \"0usge\"/" $HOME/.sge/config/app.toml
external_address=$(wget -qO- eth0.me) 
sed -i.bak -e "s/^external_address *=.*/external_address = \"$external_address:26656\"/" $HOME/.sge/config/config.toml
peers=""
sed -i.bak -e "s/^persistent_peers *=.*/persistent_peers = \"$peers\"/" $HOME/.sge/config/config.toml
seeds=""
sed -i.bak -e "s/^seeds =.*/seeds = \"$seeds\"/" $HOME/.sge/config/config.toml
sed -i 's/max_num_inbound_peers =.*/max_num_inbound_peers = 10/g' $HOME/.sge/config/config.toml
sed -i 's/max_num_outbound_peers =.*/max_num_outbound_peers = 40/g' $HOME/.sge/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\"/" $HOME/.sge/config/app.toml
sed -i -e "s/^pruning-keep-recent *=.*/pruning-keep-recent = \"$pruning_keep_recent\"/" $HOME/.sge/config/app.toml
sed -i -e "s/^pruning-keep-every *=.*/pruning-keep-every = \"$pruning_keep_every\"/" $HOME/.sge/config/app.toml
sed -i -e "s/^pruning-interval *=.*/pruning-interval = \"$pruning_interval\"/" $HOME/.sge/config/app.toml

Indexer (optional)

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

Create a service file

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

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

[Install]
WantedBy=multi-user.target
EOF

StateSync Sge Testnet

systemctl stop sged
SNAP_RPC=https://sge.rpc.t.stavr.tech:443
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/.sge/config/config.toml
sged tendermint unsafe-reset-all --home /root/.sge
wget -O $HOME/.sge/config/addrbook.json "https://server-1.stavr.tech/Testnet/Sge/addrbook.json"
curl -o - -L https://server-3.stavr.tech/Testnet/Sge/wasm-sget.tar.lz4 | lz4 -c -d - | tar -x -C $HOME/.sge
sudo systemctl restart sged && journalctl -fu sged -o cat

SnapShot Testnet updated every 5 hours

https://server-1.stavr.tech/Testnet/Sge/

cd $HOME
apt install lz4
sudo systemctl stop sged
cp $HOME/.sge/data/priv_validator_state.json $HOME/.sge/priv_validator_state.json.backup
rm -rf $HOME/.sge/data
LATEST_SNAPSHOT=$(curl -s https://server-1.stavr.tech/Testnet/Sge/ | grep -oE 'sge-snap-[0-9]+\.tar\.lz4' | while read SNAPSHOT; do HEIGHT=$(curl -s "https://server-1.stavr.tech/Testnet/Sge/${SNAPSHOT%.tar.lz4}-info.txt" | awk '/Block height:/ {print $3}'); echo "$SNAPSHOT $HEIGHT"; done | sort -k2 -nr | head -n 1 | awk '{print $1}')
curl -o - -L https://server-1.stavr.tech/Testnet/Sge/$LATEST_SNAPSHOT | lz4 -c -d - | tar -x -C $HOME/.sge
curl -o - -L https://server-3.stavr.tech/Testnet/Sge/wasm-sget.tar.lz4 | lz4 -c -d - | tar -x -C $HOME/.sge
mv $HOME/.sge/priv_validator_state.json.backup $HOME/.sge/data/priv_validator_state.json
wget -O $HOME/.sge/config/addrbook.json "https://server-1.stavr.tech/Testnet/Sge/addrbook.json"
sudo systemctl restart sged && journalctl -fu sged -o cat

Start

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

Create validator

sged tx staking create-validator \
  --amount 1000000usge \
  --from <walletName> \
  --commission-max-change-rate "0.1" \
  --commission-max-rate "0.2" \
  --commission-rate "0.1" \
  --min-self-delegation "1" \
  --pubkey  $(sged tendermint show-validator) \
  --moniker STAVR_guide \
  --chain-id sge-network-4 \
  --identity="" \
  --details="" \
  --website="" -y

🧩Services and Tools🧩

Monitoring

You can set up your node status alarm here - Monitoring

Security

You can create secure management of your wallet and your node by following this links.

TMKMS Wallet Security

Delete node

sudo systemctl stop sged
sudo systemctl disable sged
rm /etc/systemd/system/sged.service
sudo systemctl daemon-reload
cd $HOME
rm -rf sge
rm -rf .sge
rm -rf $(which sged)