💿 TestnetsCrowd 💾 Node InstallationCrowd Control Testnet guide
Minimum hardware requirements :
1) Auto_install script
Copy source <( curl -s https://raw.githubusercontent.com/111STAVR111/props/refs/heads/main/Crowd/crowd )
2) Manual installation
Preparing the server
Copy 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
Copy 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 11.07.24
Copy cd $HOME && mkdir -p go/bin/
git clone https://github.com/DecentralCardGame/Cardchain
wget -O Cardchaind https://github.com/DecentralCardGame/Cardchain/releases/download/v0.16.0/cardchaind
chmod +x Cardchaind
mv $HOME /Cardchaind /usr/local/bin
Cardchaind version --long | grep -e commit -e version
commit: be4d9f600b2274bf9dce0ec944c3ba175fa7db8e
Initiation
Copy Cardchaind init STAVR_guide --chain - id cardtestnet - 12
Cardchaind config chain - id cardtestnet - 12
Create/recover wallet
Copy Cardchaind keys add < walletnam e >
OR
Cardchaind keys add < walletnam e > --recover
Download Addrbook and Genesis
Copy wget - O $HOME / . cardchaind / config / addrbook . json "https://server-2.stavr.tech/Testnet/Crowd/addrbook.json"
wget - O $HOME / . cardchaind / config / genesis . json "https://server-2.stavr.tech/Testnet/Crowd/genesis.json"
sha256sum $HOME/.cardchaind/config/genesis.json
1aedb68136b19f16edfe9c7e4e73a38f0fbc93cb13c555ca29b3493b40facc58
Set up the minimum gas price and Peers/Seeds/Filter peers/MaxPeers
Copy sed -i.bak -e "s/^minimum-gas-prices *=.*/minimum-gas-prices = \"0.0ubpf\"/;" ~/.cardchaind/config/app.toml
external_address = $( wget -qO- eth0.me )
sed -i.bak -e "s/^external_address *=.*/external_address = \"$external_address:26656\"/" $HOME /.cardchaind/config/config.toml
peers = ""
sed -i.bak -e "s/^persistent_peers *=.*/persistent_peers = \"$peers\"/" $HOME /.cardchaind/config/config.toml
seeds = ""
sed -i.bak -e "s/^seeds =.*/seeds = \"$seeds\"/" $HOME /.cardchaind/config/config.toml
sed -i 's/max_num_inbound_peers =.*/max_num_inbound_peers = 50/g' $HOME /.cardchaind/config/config.toml
sed -i 's/max_num_outbound_peers =.*/max_num_outbound_peers = 50/g' $HOME /.cardchaind/config/config.toml
Pruning (optional)
Copy pruning = "custom"
pruning_keep_recent = "1000"
pruning_keep_every = "0"
pruning_interval = "10"
sed -i -e "s/^pruning *=.*/pruning = \"$pruning\"/" $HOME /.cardchaind/config/app.toml
sed -i -e "s/^pruning-keep-recent *=.*/pruning-keep-recent = \"$pruning_keep_recent\"/" $HOME /.cardchaind/config/app.toml
sed -i -e "s/^pruning-keep-every *=.*/pruning-keep-every = \"$pruning_keep_every\"/" $HOME /.cardchaind/config/app.toml
sed -i -e "s/^pruning-interval *=.*/pruning-interval = \"$pruning_interval\"/" $HOME /.cardchaind/config/app.toml
Indexer (optional)
Copy indexer = "null" &&
sed -i -e "s/^indexer *=.*/indexer = \"$indexer\"/" $HOME /.cardchaind/config/config.toml
Create a service file
Copy sudo tee << EOF > /dev/null /etc/systemd/system/Cardchaind.service
[Unit]
Description=Cardchain Daemon
After=network-online.target
[Service]
User=$USER
ExecStart=$( which Cardchaind) start
Restart=always
RestartSec=10
LimitNOFILE=65535
[Install]
WantedBy=multi-user.target
EOF
StateSync Crowd Testnet
Copy systemctl stop Cardchaind
SNAP_RPC = https://crowd.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 /.cardchaind/config/config.toml
Cardchaind tendermint unsafe-reset-all --home /root/.cardchaind
wget -O $HOME /.cardchaind/config/addrbook.json "https://server-2.stavr.tech/Testnet/Crowd/addrbook.json"
sudo systemctl restart Cardchaind && journalctl -fu Cardchaind -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-2.stavr.tech/Testnet/Crowd/crowd-snap-1.tar.lz4 | grep "last" && curl -sI https://server-2.stavr.tech/Testnet/Crowd/crowd-snap-1.tar.lz4 | grep content-length | awk '{printf "%.2f GB\n", $2/1024/1024/1024}'
Copy cd $HOME
apt install lz4
sudo systemctl stop Cardchaind
cp $HOME /.cardchaind/data/priv_validator_state.json $HOME /.cardchaind/priv_validator_state.json.backup
rm -rf $HOME /.cardchaind/data
LATEST_SNAPSHOT = $( curl -s https://server-2.stavr.tech/Testnet/Crowd/ | grep -oE 'crowd-snap-[0-9]+\.tar\.lz4' | while read SNAPSHOT ; do HEIGHT = $( curl -s "https://server-2.stavr.tech/Testnet/Crowd/${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-2.stavr.tech/Testnet/Crowd/ $LATEST_SNAPSHOT | lz4 -c -d - | tar -x -C $HOME /.cardchaind
mv $HOME /.cardchaind/priv_validator_state.json.backup $HOME /.cardchaind/data/priv_validator_state.json
wget -O $HOME /.cardchaind/config/addrbook.json "https://server-2.stavr.tech/Testnet/Crowd/addrbook.json"
sudo systemctl restart Cardchaind && journalctl -fu Cardchaind -o cat
Start
Copy sudo systemctl daemon-reload
sudo systemctl enable Cardchaind
sudo systemctl restart Cardchaind && sudo journalctl -u Cardchaind -f -o cat
Create validator
Copy Cardchaind tx staking create - validator \
--amount 1000000ubpf \
-- from < walletName > \
--commission - max - change - rate "0.2" \
--commission - max - rate "1" \
--commission - rate "0.1" \
-- min - self - delegation "1" \
--details = "" \
--identity = "" \
--pubkey $(Cardchaind tendermint show - validator) \
--moniker STAVR_Guide \
--fees 300ubpf \
--chain - id cardtestnet - 12 - y
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
Copy sudo systemctl stop Cardchaind
sudo rm /etc/systemd/system/Cardchaind.service
sudo rm -rf $HOME /.cardchaind/
sudo rm -rf Testnet
sudo rm -rf $( which Cardchaind )