RPC, 봇, 인덱서를 위한 BNB Chain 노드 호스팅

# log in from your computer
ssh root@YOUR_SERVER_IP

# update the system and create a user that will run the node
apt update && apt -y upgrade
adduser --disabled-password --gecos "" bsc

# firewall: SSH first, then only the ports below
ufw allow OpenSSH
ufw enable
ufw allow 30311/tcp
ufw allow 30311/udp   # BSC peer port in the current config; confirm in config.toml

apt -y install mdadm
lsblk                               # find the four empty NVMe drives
mdadm --create /dev/md0 --level=0 --raid-devices=4 /dev/nvme0n1 /dev/nvme1n1 /dev/nvme2n1 /dev/nvme3n1
mkfs.ext4 /dev/md0
mkdir -p /data && mount /dev/md0 /data
echo "$(blkid -s UUID -o export /dev/md0 | grep ^UUID) /data ext4 defaults,noatime 0 2" >> /etc/fstab
chown bsc:bsc /data
df -h /data                          # should show about 7 TB

[Unit]
Description=BNB Smart Chain node
After=network-online.target
Wants=network-online.target

[Service]
User=bsc
WorkingDirectory=/data
ExecStart=/data/geth_linux --config /data/config.toml --datadir /data/node --cache 16000 --http --http.addr 127.0.0.1 --http.port 8545 --http.api eth,net,web3
Restart=on-failure
LimitNOFILE=1048576
TimeoutStopSec=600

[Install]
WantedBy=multi-user.target

systemctl daemon-reload
systemctl enable --now bsc
journalctl -u bsc -f

# false means it has caught up; otherwise you get the sync progress
curl -s -H 'Content-Type: application/json' \
  --data '{"jsonrpc":"2.0","method":"eth_syncing","params":[],"id":1}' http://127.0.0.1:8545

curl -s -H 'Content-Type: application/json' \
  --data '{"jsonrpc":"2.0","method":"eth_blockNumber","params":[],"id":1}' http://127.0.0.1:8545