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Selfchain

Run the node using Systemd

Chain IDPortVersion
self-dev-11130.2.2

Server Requirements​

ComponentRequirements
CPU4-8 cores CPU
Storage100 GB
Ram16 GB
OSUbuntu 22.04+
Discord

RPC, API, gRPC and Snapshot​

✅ RPC http://109.199.118.239:11357/

✅ API: http://109.199.118.239:11317/

✅ gRPC: http://109.199.118.239:11391/

✅ Auto Snapshot daily

Install​

MONIKER="Yourmoniker"
  • Update and install packages for compiling
sudo apt update
sudo apt install curl git jq lz4 build-essential -y
  • Install Go 1.20.1
ver="1.20.1"
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
  • Download and install Cosmovisor
go install cosmossdk.io/tools/cosmovisor/cmd/[email protected]
  • Download and install binary
cd $HOME
curl -O https://snap.vnbnode.com/selfchain/selfchaind
sudo chmod +x selfchaind
  • Setup Cosmovisor Symlinks
mkdir -p $HOME/.selfchain/cosmovisor/genesis/bin
mv selfchaind $HOME/.selfchain/cosmovisor/genesis/bin/
sudo ln -s $HOME/.selfchain/cosmovisor/genesis $HOME/.selfchain/cosmovisor/current
sudo ln -s $HOME/.selfchain/cosmovisor/current/bin/selfchaind /usr/local/bin/selfchaind
  • Set Service file
sudo tee /etc/systemd/system/selfchaind.service > /dev/null << EOF
[Unit]
Description=selfchaind testnet node service
After=network-online.target
​
[Service]
User=$USER
ExecStart=$(which cosmovisor) run start
Restart=on-failure
RestartSec=10
LimitNOFILE=65535
Environment="DAEMON_HOME=$HOME/.selfchain"
Environment="DAEMON_NAME=selfchaind"
Environment="UNSAFE_SKIP_BACKUP=true"
​
[Install]
WantedBy=multi-user.target
EOF
sudo systemctl daemon-reload
sudo systemctl enable selfchaind

Initialize the node

  • Set node configuration
selfchaind config chain-id self-dev-1
selfchaind config keyring-backend test
selfchaind config node tcp://localhost:11357
  • Initialize the node
selfchaind init $MONIKER --chain-id self-dev-1
  • Add Genesis File and Addrbook
wget -O $HOME/.selfchain/config/genesis.json  https://raw.githubusercontent.com/hotcrosscom/selfchain-genesis/main/networks/devnet/genesis.json
wget -O $HOME/.selfchain/config/addrbook.json  https://raw.githubusercontent.com/ruangnode/services/main/testnet/self-chain/addrbook.json
  • Configure Seeds and Peers
SEEDS="[email protected]:26656,[email protected]:26656,[email protected]:26656,[email protected]:37656,[email protected]:38656,[email protected]:11356,[email protected]:26656,[email protected]:26656,[email protected]:11356"
PEERS="[email protected]:26656,[email protected]:26656,[email protected]:26656,[email protected]:37656,[email protected]:38656,[email protected]:11356,[email protected]:26656,[email protected]:26656,[email protected]:11356"
sed -i -e "s/^seeds *=.*/seeds = \"$SEEDS\"/; s/^persistent_peers *=.*/persistent_peers = \"$PEERS\"/" $HOME/.selfchain/config/config.toml
  • Set Pruning, Enable Prometheus, Gas Price, and Indexer
PRUNING="custom"
PRUNING_KEEP_RECENT="100"
PRUNING_INTERVAL="19"
sed -i -e "s/^pruning *=.*/pruning = \"$PRUNING\"/" $HOME/.selfchain/config/app.toml
sed -i -e "s/^pruning-keep-recent *=.*/pruning-keep-recent = \
\"$PRUNING_KEEP_RECENT\"/" $HOME/.selfchain/config/app.toml
sed -i -e "s/^pruning-interval *=.*/pruning-interval = \
\"$PRUNING_INTERVAL\"/" $HOME/.selfchain/config/app.toml
sed -i -e 's|^indexer *=.*|indexer = "null"|' $HOME/.selfchain/config/config.toml
sed -i 's|^prometheus *=.*|prometheus = true|' $HOME/.selfchain/config/config.toml
sed -i -e "s/^minimum-gas-prices *=.*/minimum-gas-prices = \"0.005uself\"/" $HOME/.selfchain/config/app.toml
  • Set custom ports
sed -i -e "s%^proxy_app = \"tcp://127.0.0.1:26658\"%proxy_app = \"tcp://127.0.0.1:11358\"%; s%^laddr = \"tcp://127.0.0.1:26657\"%laddr = \"tcp://127.0.0.1:11357\"%; s%^pprof_laddr = \"localhost:6060\"%pprof_laddr = \"localhost:11360\"%; s%^laddr = \"tcp://0.0.0.0:26656\"%laddr = \"tcp://0.0.0.0:11356\"%; s%^prometheus_listen_addr = \":26660\"%prometheus_listen_addr = \":11366\"%" $HOME/.selfchain/config/config.toml
sed -i -e "s%^address = \"tcp://0.0.0.0:1317\"%address = \"tcp://0.0.0.0:11317\"%; s%^address = \":8080\"%address = \":11380\"%; s%^address = \"0.0.0.0:9090\"%address = \"0.0.0.0:11390\"%; s%^address = \"0.0.0.0:9091\"%address = \"0.0.0.0:11391\"%; s%:8545%:11345%; s%:8546%:11346%; s%:6065%:11365%" $HOME/.selfchain/config/app.toml
  • Start service and check the logs
sudo systemctl start selfchaind
sudo journalctl -fu selfchaind -o cat
  • Snapshot

Off State Sync

sed -i.bak -E "s|^(enable[[:space:]]+=[[:space:]]+).*$|\1false|" ~/.selfchain/config/config.toml

Stop Node and Reset Data

sudo systemctl stop selfchaind
cp $HOME/.selfchain/data/priv_validator_state.json $HOME/.selfchain/priv_validator_state.json.backup
rm -rf $HOME/.selfchain/data
selfchaind tendermint unsafe-reset-all --home ~/.selfchain/ --keep-addr-book

Download Snapshot

curl -L https://snap.vnbnode.com/selfchain/self-dev-1_snapshot_latest.tar.lz4 | tar -I lz4 -xf - -C $HOME/.selfchain/data
mv $HOME/.selfchain/priv_validator_state.json.backup $HOME/.selfchain/data/priv_validator_state.json

Restart Node

sudo systemctl restart selfchaind && sudo journalctl -u selfchaind -f --no-hostname -o cat

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