# Node Installation

## Dymension Testnet guide

![dymension](https://user-images.githubusercontent.com/44331529/216242184-e602001a-8794-495a-81fc-b0d10589963e.png)

[WebSite](https://dymension.xyz/)\
[GitHub](https://github.com/dymensionxyz/testnets)
--------------------------------------------------

## [EXPLORER](https://explorer.stavr.tech/Dymension-testnet/staking)

* **Minimum hardware requirements**:

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

## 1) Auto\_install script

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

## 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 11.01.24

```bash
cd $HOME
git clone https://github.com/dymensionxyz/dymension.git
cd dymension
git checkout v2.0.0-alpha.8
make install

```

***🟢UPDATE🟢*** 11.01.24

```bash
cd $HOME/dymension
git pull
git checkout v2.0.0-alpha.8
make install
dymd version --long | grep -e commit -e version
#commit: 080bbb9ede90170f84a3f4f3665c179ea8742716
#version: v2.0.0-alpha.8
systemctl restart dymd && journalctl -u dymd -f -o cat
```

`dymd version --long | grep -e commit -e version`

* version: v2.0.0-alpha.8
* commit: 080bbb9ede90170f84a3f4f3665c179ea8742716

```python
dymd init STAVR_guide --chain-id=froopyland_100-1
dymd config chain-id froopyland_100-1
```

### Create/recover wallet

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

### Download Genesis

```bash
wget https://raw.githubusercontent.com/111STAVR111/props/main/Dymension/Testnet/genesis.json -O $HOME/.dymension/config/genesis.json
```

`sha256sum $HOME/.dymension/config/genesis.json`

* 2c39abf9fd87222fc3b8178763e1c0e250029a445a3775b3507e88140910049e

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

```bash
sed -i.bak -e "s/^minimum-gas-prices *=.*/minimum-gas-prices = \"0.0udym\"/;" ~/.dymension/config/app.toml
external_address=$(wget -qO- eth0.me) 
sed -i.bak -e "s/^external_address *=.*/external_address = \"$external_address:26656\"/" $HOME/.dymension/config/config.toml
peers="e7857b8ed09bd0101af72e30425555efa8f4a242@148.251.177.108:20556,3410e9bc9c429d6f35e868840f6b7a0ccb29020b@46.4.5.45:20556"
sed -i.bak -e "s/^persistent_peers *=.*/persistent_peers = \"$peers\"/" $HOME/.dymension/config/config.toml
seeds="ade4d8bc8cbe014af6ebdf3cb7b1e9ad36f412c0@testnet-seeds.polkachu.com:20556"
sed -i.bak -e "s/^seeds =.*/seeds = \"$seeds\"/" $HOME/.dymension/config/config.toml
sed -i 's/max_num_inbound_peers =.*/max_num_inbound_peers = 50/g' $HOME/.dymension/config/config.toml
sed -i 's/max_num_outbound_peers =.*/max_num_outbound_peers = 50/g' $HOME/.dymension/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\"/" $HOME/.dymension/config/app.toml
sed -i -e "s/^pruning-keep-recent *=.*/pruning-keep-recent = \"$pruning_keep_recent\"/" $HOME/.dymension/config/app.toml
sed -i -e "s/^pruning-keep-every *=.*/pruning-keep-every = \"$pruning_keep_every\"/" $HOME/.dymension/config/app.toml
sed -i -e "s/^pruning-interval *=.*/pruning-interval = \"$pruning_interval\"/" $HOME/.dymension/config/app.toml
```

#### Indexer (optional)

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

### Download addrbook

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

## Create a service file

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

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

[Install]
WantedBy=multi-user.target
EOF
```

## StateSync Dymension Testnet (:warning:Temporarily stopped:warning:)

```bash
SNAP_RPC=https://dym.rpc.t.stavr.tech:443
peers="263195d9dd5274d337c7dff03019a7fbad4ff165@dymension.peers.stavr.tech:17086"
sed -i.bak -e "s/^persistent_peers *=.*/persistent_peers = \"$peers\"/" $HOME/.dymension/config/config.toml
LATEST_HEIGHT=$(curl -s $SNAP_RPC/block | jq -r .result.block.header.height); \
BLOCK_HEIGHT=$((LATEST_HEIGHT - 100)); \
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/.dymension/config/config.toml
dymd tendermint unsafe-reset-all --home /root/.dymension
wget -O $HOME/.dymension/config/addrbook.json "https://raw.githubusercontent.com/111STAVR111/props/main/Dymension/Testnet/addrbook.json"
systemctl restart dymd && journalctl -u dymd -f -o cat

```

## SnapShot Testnet  (every 5 hours) (:warning:Temporarily stopped:warning:)

```bash
cd $HOME
apt install lz4
sudo systemctl stop dymd
cp $HOME/.dymension/data/priv_validator_state.json $HOME/.dymension/priv_validator_state.json.backup
rm -rf $HOME/.dymension/data
curl -o - -L http://dymension.snapshot.stavr.tech:1019/dymension/dymension-snap.tar.lz4 | lz4 -c -d - | tar -x -C $HOME/.dymension --strip-components 2
mv $HOME/.dymension/priv_validator_state.json.backup $HOME/.dymension/data/priv_validator_state.json
wget -O $HOME/.dymension/config/addrbook.json "https://raw.githubusercontent.com/111STAVR111/props/main/Dymension/Testnet/addrbook.json"
sudo systemctl restart dymd && journalctl -u dymd -f -o cat
```

### Start

```bash
sudo systemctl daemon-reload
sudo systemctl enable dymd
sudo systemctl restart dymd && sudo journalctl -u dymd -f -o cat
```

#### Create validator

```python
dymd tx staking create-validator \
--commission-rate 0.1 \
--commission-max-rate 1 \
--commission-max-change-rate 1 \
--min-self-delegation "1000000" \
--amount 1000000udym \
--pubkey $(dymd tendermint show-validator) \
--from <wallet> \
--moniker="STAVRguide" \
--chain-id="froopyland_100-1" \
--identity="" \
--website="" \
--details="" -y
```

## [🧩Services and Tools🧩](https://stavr-team.gitbook.io/nodes-guides/dymension-1/statesync-snapshot#testnet)

### Delete node

```bash
sudo systemctl stop dymd
sudo systemctl disable dymd
rm /etc/systemd/system/dymd.service
sudo systemctl daemon-reload
cd $HOME
rm -rf dymension
rm -rf .dymension
rm -rf $(which dymd)
```

##

#### Sync Info

```bash
dymd status 2>&1 | jq .SyncInfo
```

#### NodeINfo

```bash
dymd status 2>&1 | jq .NodeInfo
```

#### Check node logs

```bash
sudo journalctl -u dymd -f -o cat
```

#### Check Balance

```bash
dymd query bank balances dym...addressjkl1yjgn7z09ua9vms259j
```


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