💾Node Installation

Titan Testnet guide

EXPLORER

• Minimum hardware requirements:

Node Type	CPU	RAM	Storage
Testnet	4	8GB	150GB

1) Auto_install script

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

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 10.08.24

cd $HOME && mkdir -p go/bin/
git clone https://github.com/Titannet-dao/titan-chain.git
cd titan-chain
git fetch origin
make install

titand version --long | grep -e version -e commit

• version: 2.1.0

• commit: bd53b64b4efc78cf3b1fad9c5ae662e70b0c50e5

Initiation

titand init STAVR_guide --chain-id titan-test-3

Create/recover wallet

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

Download Genesis

wget -P ~/. https://raw.githubusercontent.com/Titannet-dao/titan-chain/main/genesis/genesis.json
mv ~/genesis.json ~/.titan/config/genesis.json

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

• bd9413266b4e5fe737b80a246f1afa1cb604d52be4d31a4fbb7d04eb5cfc339d

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

sed -i.bak -e "s/^minimum-gas-prices *=.*/minimum-gas-prices = \"0.0025uttnt\"/;" ~/.titan/config/app.toml
external_address=$(wget -qO- eth0.me) 
sed -i.bak -e "s/^external_address *=.*/external_address = \"$external_address:26656\"/" $HOME/.titan/config/config.toml
peers=""
sed -i.bak -e "s/^persistent_peers *=.*/persistent_peers = \"$peers\"/" $HOME/.titan/config/config.toml
seeds=""
sed -i.bak -e "s/^seeds =.*/seeds = \"$seeds\"/" $HOME/.titan/config/config.toml
sed -i 's/max_num_inbound_peers =.*/max_num_inbound_peers = 50/g' $HOME/.titan/config/config.toml
sed -i 's/max_num_outbound_peers =.*/max_num_outbound_peers = 50/g' $HOME/.titan/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\"/" $HOME/.titan/config/app.toml
sed -i -e "s/^pruning-keep-recent *=.*/pruning-keep-recent = \"$pruning_keep_recent\"/" $HOME/.titan/config/app.toml
sed -i -e "s/^pruning-keep-every *=.*/pruning-keep-every = \"$pruning_keep_every\"/" $HOME/.titan/config/app.toml
sed -i -e "s/^pruning-interval *=.*/pruning-interval = \"$pruning_interval\"/" $HOME/.titan/config/app.toml

Indexer (optional)

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

Download addrbook

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

Create a service file

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

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

[Install]
WantedBy=multi-user.target
EOF

StateSync Titan Testnet

SNAP_RPC=https://titan.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/.titan/config/config.toml
titand tendermint unsafe-reset-all --home /root/.titan
wget -O $HOME/.titan/config/addrbook.json "https://raw.githubusercontent.com/111STAVR111/props/main/Titan/addrbook.json"
sudo systemctl restart titand && journalctl -fu titand -o cat    

SnapShot Testnet updated every 5 hours

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

Start

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

Create validator

#pubkey
titand tendermint show-validator --home /root/.titan
cd $HOME
nano /root/.titan/validator.json
{
  "pubkey": {"#pubkey"},
  "amount": "1000000uttnt",
  "moniker": "STAVR_guide",
  "identity": "",
  "website": "",
  "security": "",
  "details": "",
  "commission-rate": "0.05",
  "commission-max-rate": "0.2",
  "commission-max-change-rate": "0.2",
  "min-self-delegation": "1"
}
titand --home /root/.titan tx staking create-validator /root/.titan/validator.json --from WalletName  --chain-id titan-test-3 --fees 500uttnt -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 titand
sudo systemctl disable titand
rm /etc/systemd/system/titand.service
sudo systemctl daemon-reload
cd $HOME
rm -rf titan-chain
rm -rf .titan
rm -rf $(which titand)