# Node Installation

## [EXPLORER](https://explorer.stavr.tech/Titan-Testnet/staking)

* **Minimum hardware requirements**:

| Node Type | CPU | RAM | Storage |
| --------- | --- | --- | ------- |
| Testnet   | 4   | 8GB | 150GB   |

## 1) Auto\_install script

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

## 2) Manual installation

#### Preparing the server

```bash
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

```bash
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

```bash
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

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

### Create/recover wallet

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

### Download Genesis

```python
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

```bash
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)

```bash
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)

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

### Download addrbook

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

## Create a service file

```bash
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

```bash
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

```bash
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

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

#### Create validator

```python
#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🧩](https://stavr-team.gitbook.io/nodes-guides/testnets/titan/statesync-snapshot)

## Monitoring

You can set up your node status alarm here - [Monitoring](https://stavr-team.gitbook.io/nodes-guides/monitoring)

## Security

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

[TMKMS](https://stavr-team.gitbook.io/nodes-guides/tmkms)               [Wallet Security](https://stavr-team.gitbook.io/nodes-guides/wallet-security)

### Delete node

```bash
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)
```


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://stavr-team.gitbook.io/nodes-guides/archive/titan-t-halt/node-installation.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.