💾Node Installation

Galactica Testnet guide

  • Minimum hardware requirements:

Node TypeCPURAMStorage

Testnet

4

8GB

150GB

1) Auto_install script

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

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 09.04.24

cd $HOME && mkdir -p go/bin/
git clone https://github.com/Galactica-corp/galactica
cd galactica
git checkout v0.1.2
make install

galacticad version --long | grep -e version -e commit

  • version: 0.1.2

  • commit: fc20406dfb09f600f244f5eeae31928c835ff433

Initiation

galacticad init STAVR_guide --chain-id=galactica_9302-1
galacticad config chain-id galactica_9302-1

Create/recover wallet

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

Download Genesis

wget -O $HOME/.galactica/config/genesis.json "https://raw.githubusercontent.com/111STAVR111/props/main/Galactica/genesis.json"

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

  • 03f88591a3a60c9940c7f49d43f24e8bb6e39ea4ff22d783fcc6f12762446e59

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

sed -i.bak -e "s/^minimum-gas-prices *=.*/minimum-gas-prices = \"0agnet\"/;" ~/.galactica/config/app.toml
external_address=$(wget -qO- eth0.me) 
sed -i.bak -e "s/^external_address *=.*/external_address = \"$external_address:26656\"/" $HOME/.galactica/config/config.toml
peers=""
sed -i.bak -e "s/^persistent_peers *=.*/persistent_peers = \"$peers\"/" $HOME/.galactica/config/config.toml
seeds=""
sed -i.bak -e "s/^seeds =.*/seeds = \"$seeds\"/" $HOME/.galactica/config/config.toml
sed -i 's/max_num_inbound_peers =.*/max_num_inbound_peers = 50/g' $HOME/.galactica/config/config.toml
sed -i 's/max_num_outbound_peers =.*/max_num_outbound_peers = 50/g' $HOME/.galactica/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\"/" $HOME/.galactica/config/app.toml
sed -i -e "s/^pruning-keep-recent *=.*/pruning-keep-recent = \"$pruning_keep_recent\"/" $HOME/.galactica/config/app.toml
sed -i -e "s/^pruning-keep-every *=.*/pruning-keep-every = \"$pruning_keep_every\"/" $HOME/.galactica/config/app.toml
sed -i -e "s/^pruning-interval *=.*/pruning-interval = \"$pruning_interval\"/" $HOME/.galactica/config/app.toml

Indexer (optional)

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

Download addrbook

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

Create a service file

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

[Service]
User=$USER
ExecStart=$(which galacticad) start --chain-id galactica_9302-1
Restart=on-failure
RestartSec=3
LimitNOFILE=65535

[Install]
WantedBy=multi-user.target
EOF

StateSync Galactica Testnet

SNAP_RPC=https://galactica.rpc.t.stavr.tech:443
peers="b7e9b91c9e8c7e66e46dd15720cbe4f74f005592@galactica.seed-t.stavr.tech:35106"
sed -i.bak -e "s/^persistent_peers *=.*/persistent_peers = \"$peers\"/" $HOME/.galactica/config/config.toml
LATEST_HEIGHT=$(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/.galactica/config/config.toml
galacticad tendermint unsafe-reset-all --home $HOME/.galactica --keep-addr-book
wget -O $HOME/.galactica/config/addrbook.json "https://raw.githubusercontent.com/111STAVR111/props/main/Galactica/addrbook.json"
systemctl restart galacticad && journalctl -fu galacticad -o cat

SnapShot Testnet updated every 5 hours

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

Start

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

Create validator

galacticad tx staking create-validator \
--commission-rate 0.1 \
--commission-max-rate 0.1 \
--commission-max-change-rate 0.1 \
--min-self-delegation "1" \
--amount 1000000000000000000agnet \
--pubkey $(galacticad tendermint show-validator) \
--from <wallet> \
--moniker="STAVR_guide" \
--chain-id galactica_9302-1 \
--gas 300000 \
--identity="" \
--website="" \
--details="" -y

Delete node

sudo systemctl stop galacticad
sudo systemctl disable galacticad
rm /etc/systemd/system/galacticad.service
sudo systemctl daemon-reload
cd $HOME
rm -rf galactica
rm -rf .galactica
rm -rf $(which galacticad)

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