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Validator setup.md

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Hardware requirements

- Memory: 16 GB RAM
- CPU: 4 cores
- Disk: 500 GB NVME SSD
- Bandwidth: 100mbps Gbps for Download / Upload
- Linux amd64 arm64 (The guide was tested on Ubuntu 22.04 LTS)

1. Install dependencies for building from source

sudo apt update && sudo apt upgrade -y
sudo apt install curl git wget htop tmux build-essential jq make lz4 gcc unzip -y

2. Install GO

cd $HOME
VER="1.21.3"
wget "https://golang.org/dl/go$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"
[ ! -f ~/.bash_profile ] && touch ~/.bash_profile
echo "export PATH=$PATH:/usr/local/go/bin:~/go/bin" >> ~/.bash_profile
source $HOME/.bash_profile
[ ! -d ~/go/bin ] && mkdir -p ~/go/bin

3. Set vars

Change NODE_NAME to your validdator name

echo "export WALLET="wallet"" >> $HOME/.bash_profile
echo "export MONIKER="NODE_NAME"" >> $HOME/.bash_profile
echo "export GALACTICA_CHAIN_ID="galactica_9302-1"" >> $HOME/.bash_profile
echo "export GALACTICA_PORT="19"" >> $HOME/.bash_profile
source $HOME/.bash_profile

4. Build galacticad binary

cd $HOME
rm -rf galactica
git clone https://github.com/Galactica-corp/galactica
cd galactica
git checkout v0.1.2
make build
mv $HOME/galactica/build/galacticad $HOME/go/bin

5. Initialize the node

galacticad config node tcp://localhost:${GALACTICA_PORT}657

galacticad config keyring-backend os

galacticad config chain-id galactica_9302-1

change node_name to your node_name

galacticad init "node_name" --chain-id galactica_9302-1

6. Download genesis and addrbook

wget -O $HOME/.galactica/config/genesis.json https://server-4.itrocket.net/testnet/galactica/genesis.json
wget -O $HOME/.galactica/config/addrbook.json  https://server-4.itrocket.net/testnet/galactica/addrbook.json

7. Set seeds and peers

SEEDS="52ccf467673f93561c9d5dd4434def32ef2cd7f3@galactica-testnet-seed.itrocket.net:46656"
PEERS="c9993c738bec6a10cfb8bb30ac4e9ae6f8286a5b@galactica-testnet-peer.itrocket.net:11656,[email protected]:22656,[email protected]:27456,[email protected]:46656,[email protected]:3460,[email protected]:46656,[email protected]:27456,[email protected]:26656,[email protected]:26656,[email protected]:26656,[email protected]:26656,[email protected]:46656,[email protected]:46655,d6d9badeefbc0bc80d263f3bfc196ab91a1049dc@[2402:1f00:8300:92c::]:13156"
sed -i -e "/^\[p2p\]/,/^\[/{s/^[[:space:]]*seeds *=.*/seeds = \"$SEEDS\"/}" \
       -e "/^\[p2p\]/,/^\[/{s/^[[:space:]]*persistent_peers *=.*/persistent_peers = \"$PEERS\"/}" $HOME/.galactica/config/config.toml

8. Set custom ports in app.toml

sed -i.bak -e "s%:1317%:${GALACTICA_PORT}317%g;
s%:8080%:${GALACTICA_PORT}080%g;
s%:9090%:${GALACTICA_PORT}090%g;
s%:9091%:${GALACTICA_PORT}091%g;
s%:8545%:${GALACTICA_PORT}545%g;
s%:8546%:${GALACTICA_PORT}546%g;
s%:6065%:${GALACTICA_PORT}065%g" $HOME/.galactica/config/app.toml

sed -i.bak -e "s%:26658%:${GALACTICA_PORT}658%g;
s%:26657%:${GALACTICA_PORT}657%g;
s%:6060%:${GALACTICA_PORT}060%g;
s%:26656%:${GALACTICA_PORT}656%g;
s%^external_address = \"\"%external_address = \"$(wget -qO- eth0.me):${GALACTICA_PORT}656\"%;
s%:26660%:${GALACTICA_PORT}660%g" $HOME/.galactica/config/config.toml

9. Config pruning

sed -i -e "s/^pruning *=.*/pruning = \"custom\"/" $HOME/.galactica/config/app.toml
sed -i -e "s/^pruning-keep-recent *=.*/pruning-keep-recent = \"100\"/" $HOME/.galactica/config/app.toml
sed -i -e "s/^pruning-interval *=.*/pruning-interval = \"50\"/" $HOME/.galactica/config/app.toml

10. Set minimum gas price, enable prometheus and disable indexing

sed -i 's|minimum-gas-prices =.*|minimum-gas-prices = "10agnet"|g' $HOME/.galactica/config/app.toml
sed -i -e "s/prometheus = false/prometheus = true/" $HOME/.galactica/config/config.toml
sed -i -e "s/^indexer *=.*/indexer = \"null\"/" $HOME/.galactica/config/config.toml

11. Create service file

sudo tee /etc/systemd/system/galacticad.service > /dev/null <<EOF
[Unit]
Description=Galactica node
After=network-online.target
[Service]
User=$USER
WorkingDirectory=$HOME/.galactica
ExecStart=$(which galacticad) start --home $HOME/.galactica --chain-id galactica_9302-1
Restart=on-failure
RestartSec=5
LimitNOFILE=65535
[Install]
WantedBy=multi-user.target
EOF

12. Reset and download snapshot

galacticad tendermint unsafe-reset-all --home $HOME/.galactica

    if curl -s --head curl https://server-4.itrocket.net/testnet/galactica/galactica_2024-08-22_2010278_snap.tar.lz4 | head -n 1 | grep "200" > /dev/null; then
  curl https://server-4.itrocket.net/testnet/galactica/galactica_2024-08-22_2010278_snap.tar.lz4 | lz4 -dc - | tar -xf - -C $HOME/.galactica
    else
  echo "no snapshot founded"
fi

13. Start the node

sudo systemctl daemon-reload
sudo systemctl enable galacticad
sudo systemctl restart galacticad && sudo journalctl -u galacticad -f

Make sure your node are fully synsynced before proceeding with the next steps Once your node is fully synced, the output from above will print "false"

 galacticad status 2>&1 | jq
Ảnh màn hình 2024-08-21 lúc 17 15 17

14. Create a wallet for your validator

To create a new wallet, use the following command. don’t forget to save the mnemonic

galacticad keys add $WALLET

You can add --recover flag to restore existing key instead of creating

Save wallet and validator address

WALLET_ADDRESS=$(galacticad keys show $WALLET -a)
VALOPER_ADDRESS=$(galacticad keys show $WALLET --bech val -a)
echo "export WALLET_ADDRESS="$WALLET_ADDRESS >> $HOME/.bash_profile
echo "export VALOPER_ADDRESS="$VALOPER_ADDRESS >> $HOME/.bash_profile
source $HOME/.bash_profile

15. Extract the HEX address to request some tokens from the faucet

echo "0x$(galacticad debug addr $(galacticad keys show $WALLET -a) | grep hex | awk '{print $3}')"

16. Request tokens from the faucet

Faucet link: https://faucet-reticulum.galactica.com/

17. Check wallet balance

  galacticad query bank balances $WALLET_ADDRESS

18. Create a validator

RÊMMBER TO CHANGE YOUR NODE NAME

galacticad tx staking create-validator \
--amount 100000agnet \
--from $WALLET \
--commission-rate 0.1 \
--commission-max-rate 0.2 \
--commission-max-change-rate 0.01 \
--min-self-delegation 1 \
--pubkey $(galacticad tendermint show-validator) \
--moniker "YOUR_NODE_NAME" \
--identity "" \
--website "" \
--details "" \
--chain-id galactica_9302-1 \
--gas 200000 --gas-prices 10agnet \
-y

Useful commands

Query your validator

 galacticad q staking validator $(galacticad keys show $WALLET --bech val -a)

Delegate tokens to your validator

galacticad tx staking delegate $(galacticad keys show $WALLET --bech val -a) <AMOUNT>agnet \
--from wallet \
--chain-id=galactica_9302-1 \
--gas="300000" \
--gas-prices="100agnet" \
-y