Гайд по установке ноды Cascadia

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Требования к серверу

2 core CPU
8 GB RAM
200 GB SSD

1. Подготавливаем сервер

apt update && apt upgrade -y 
apt install curl iptables build-essential git wget jq make gcc nano tmux htop nvme-cli pkg-config libssl-dev libleveldb-dev tar clang bsdmainutils ncdu unzip libleveldb-dev -y

2. Устанавливаем Golang

ver="1.20.3" && \ 
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$ver.linux-amd64.tar.gz" && \ 
echo "export PATH=$PATH:/usr/local/go/bin:$HOME/go/bin" >> $HOME/.bash_profile && \ 
source $HOME/.bash_profile && \ 
go version

3. Устанавливаем ноду

git clone https://github.com/cascadiafoundation/cascadia && cd cascadia 
git checkout v0.1.1 
make install

4. Скачиваем генезис файл

wget -O $HOME/.cascadiad/config/genesis.json "https://anode.team/Cascadia/test/genesis.json"

5. Добавляем пиры

peers="[email protected]:36656"
sed -i.bak -e "s/^persistent_peers *=.*/persistent_peers = \"$peers\"/" $HOME/.cascadiad/config/config.toml

6. Настраиваем StateSync

SNAP_RPC=185.213.27.91:36657

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/.cascadiad/config/config.toml

7. Создаем сервисный файл

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

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

[Install] 
WantedBy=multi-user.target 
EOF

8. Запускаем ноду

systemctl daemon-reload 
systemctl enable cascadiad 
systemctl restart cascadiad

9. Проверяем логи

journalctl -fu cascadiad -o cat

Готово!

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