💾Node Installation

Source Testnet guide

EXPLORER

• Minimum hardware requirements:

Node Type	CPU	RAM	Storage
Testnet	4	8GB	150GB

1) Auto_install script

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

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 01.08.24

cd $HOME && mkdir $HOME/go/bin/
git clone https://github.com/Source-Protocol-Cosmos/source.git
cd ~/source
git checkout v.3.0.2
make install

sourced version --long | grep -e version -e commit

• version: v.3.0.2

• commit: 0e81b8429ce96e63d2c7215bfdf26d216874a986

Initiation

sourced init STAVR_guide --chain-id=sourcetest-1
sourced config chain-id sourcetest-1

Create/recover wallet

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

Download Addrbook and Genesis

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

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

• c8b8e28f1cc2c6bb708d963146842da9e367874267d90ab99a13a6bd736d5682

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

sed -i.bak -e "s/^minimum-gas-prices *=.*/minimum-gas-prices = \"0.25usource\"/;" ~/.source/config/app.toml
external_address=$(wget -qO- eth0.me) 
sed -i.bak -e "s/^external_address *=.*/external_address = \"$external_address:26656\"/" $HOME/.source/config/config.toml
peers=""
sed -i.bak -e "s/^persistent_peers *=.*/persistent_peers = \"$peers\"/" $HOME/.source/config/config.toml
seeds=""
sed -i.bak -e "s/^seeds =.*/seeds = \"$seeds\"/" $HOME/.source/config/config.toml
sed -i 's/max_num_inbound_peers =.*/max_num_inbound_peers = 50/g' $HOME/.source/config/config.toml
sed -i 's/max_num_outbound_peers =.*/max_num_outbound_peers = 50/g' $HOME/.source/config/config.toml

Pruning (optional)

pruning="custom"
pruning_keep_recent="1000"
pruning_keep_every="0"
pruning_interval="100"
sed -i -e "s/^pruning *=.*/pruning = \"$pruning\"/" $HOME/.source/config/app.toml
sed -i -e "s/^pruning-keep-recent *=.*/pruning-keep-recent = \"$pruning_keep_recent\"/" $HOME/.source/config/app.toml
sed -i -e "s/^pruning-keep-every *=.*/pruning-keep-every = \"$pruning_keep_every\"/" $HOME/.source/config/app.toml
sed -i -e "s/^pruning-interval *=.*/pruning-interval = \"$pruning_interval\"/" $HOME/.source/config/app.toml

Indexer (optional)

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

Create a service file

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

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

[Install]
WantedBy=multi-user.target
EOF

StateSync Source Testnet

systemctl stop sourced
SNAP_RPC=https://source.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/.source/config/config.toml
sourced tendermint unsafe-reset-all --home /root/.source
wget -O $HOME/.source/config/addrbook.json "https://server-1.stavr.tech/Testnet/Source/addrbook.json"
curl -o - -L https://source-t.wasm.stavr.tech/wasm-snap.tar.lz4 | lz4 -c -d - | tar -x -C $HOME/.source/data/
sudo systemctl restart sourced && journalctl -fu sourced -o cat

SnapShot Testnet updated every 5 hours

You can check the size and time of snapshot creation with this command curl -sI https://server-1.stavr.tech/Testnet/Source/source-snap-1.tar.lz4 | grep "last" && curl -sI https://server-1.stavr.tech/Testnet/Source/source-snap-1.tar.lz4 | grep content-length | awk '{printf "%.2f GB\n", $2/1024/1024/1024}'

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

Start

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

Create validator

sourced tx staking create-validator \
--amount=1000000usource \
--pubkey=$(sourced tendermint show-validator) \
--moniker=STAVR_guide \
--chain-id=sourcetest-1 \
--commission-rate="0.10" \
--commission-max-rate="0.20" \
--commission-max-change-rate="0.1" \
--min-self-delegation="1" \
--fees=100usource \
--from=<walletName> \
--identity="" \
--website="" \
--fees 5000usource \
--details="" -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 sourced
sudo systemctl disable sourced
rm /etc/systemd/system/sourced.service
sudo systemctl daemon-reload
cd $HOME
rm -rf .source
rm -rf source
rm -rf $(which sourced)