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node_setup.MD

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MantraChain-Testnet

Node Setup

  • Create a user account to use

    useradd -U -m -d /home/mantra -s /bin/bash mantra
usermod -G sudo,sys,adm mantra 
passwd mantra

    su mantra   
cd /home/mantra

  • Setup the environment variables. Fill in your moniker and edit the settings found below as needed
    Then copy this block of text and paste into your terminal

    MONIKER=Testing
# External Address should be domain:port but can be ip:port or blank. Using domain:port allows both ipv4 and ipv6 name resolution
EXTERNAL_ADDR=""
MINIMUM_GAS_PRICE="0.0001uaum"
GENESIS_URL="https://testnet-files.itrocket.net/mantra/genesis.json"
SEEDS="a9a71700397ce950a9396421877196ac19e7cde0@mantra-testnet-seed.itrocket.net:22656"
PEERS="1a46b1db53d1ff3dbec56ec93269f6a0d15faeb4@mantra-testnet-peer.itrocket.net:22656,63763bfb78d296187754c367a9740e24730a7fc4@167.235.14.83:32656,64691a4202c1ad29a416b21ce21bfc9659783406@34.136.169.18:26656,d44eb6a1ea69263eb0a61bab354fb267396b27e1@34.70.189.2:26656,62cadc3da28e1a4785a2abf76c40f1c4e0eaeebd@34.123.40.240:26656,c4bec34390d2ab1004b9a25580c75e4743e033a1@65.108.72.253:22656,e6921a8a228e12ebab0ab70d9bcdb5364c5dece5@65.108.200.40:47656,2d2f8b62feee6b0fcbdec78d51d4ba9959e33c87@65.108.124.219:34656,4a22a9cbabe4313674d2058a964aef2863af9213@185.197.251.195:26656,c0828205f0dea4ef6feb61ee7a9e8f376be210f4@161.97.149.123:29656,30235fa097d100a14d2b534fdbf67e34e8d5f6cf@65.21.133.86:21656"
ENABLE_METRICS=true
METRICS_ADDR="0.0.0.0:26660"
BINARY_URL="https://testnet-files.itrocket.net/mantra/mantrachaind-linux-amd64.zip"
CHAIN_ID="mantrachain-testnet-1"
INDEXER="null"
APP_TOML="/home/mantra/.mantrad/config/app.toml"
CONFIG_TOML="/home/mantra/.mantrad/config/config.toml"
# Can be everything for a validator none for archive default or custom
PRUNING="everything"

  • Install required packages

    sudo apt update && sudo apt upgrade -y
sudo apt install lz4 unzip jq -y
sudo wget -O /usr/lib/libwasmvm.x86_64.so https://github.com/CosmWasm/wasmvm/releases/download/v1.3.0/libwasmvm.x86_64.so

  • Install the binary

    cd /home/mantra
wget $BINARY_URL
unzip mantrachaind-linux-amd64.zip
rm mantrachaind-linux-amd64.zip
sudo mv mantrachaind /usr/local/bin/mantrad

  • Initialize the node

    mantrad init $MONIKER --chain-id $CHAIN_ID --home /home/mantra/.mantrad
wget -O /home/mantra/.mantrad/config/genesis.json $GENESIS_URL

  • Edit app.toml

    sed -i.bak -E "s|^(pruning[[:space:]]+=[[:space:]]+).*$|\1\"$PRUNING\"| ; \
s|^(minimum-gas-prices[[:space:]]+=[[:space:]]+).*$|\1\"$MINIMUM_GAS_PRICE\"|" $APP_TOML

  • Edit the config.toml file

    sed -i.bak -E "s|^(prometheus[[:space:]]+=[[:space:]]+).*$|\1\"$ENABLE_METRICS\"| ; \
s|^(indexer[[:space:]]+=[[:space:]]+).*$|\1\"null\"| ; \
s|^(prometheus_listen_addr[[:space:]]+=[[:space:]]+).*$|\1\"$METRICS_ADDR\"| ; \
s|^(persistent_peers[[:space:]]+=[[:space:]]+).*$|\1\"$PEERS\"| ; \
s|^(seeds[[:space:]]+=[[:space:]]+).*$|\1\"$SEEDS\"|" $CONFIG_TOML

  • Configure state sync

    STATE_SYNC_RPC="https://mantra-testnet-rpc.itrocket.net:443,https://mantra-testnet-rpc.itrocket.net:443"
SYNC_BLOCK_HASH="68C1A657AE776DF75348EE11C15547051CF651CB8A7DC3F040AD795874161F23"
SYNC_BLOCK_HEIGHT="23000"
SYNC_TRUST_PERIOD="168h"
sed -i.bak -E "s|^(enable[[:space:]]+=[[:space:]]+).*$|\1true| ; \
s|^(rpc_servers[[:space:]]+=[[:space:]]+).*$|\1\"$STATE_SYNC_RPC\"| ; \
s|^(trust_height[[:space:]]+=[[:space:]]+).*$|\1$SYNC_BLOCK_HEIGHT| ; \
s|^(trust_period[[:space:]]+=[[:space:]]+).*$|\1\"$SYNC_TRUST_PERIOD\"| ; \
s|^(trust_hash[[:space:]]+=[[:space:]]+).*$|\1\"$SYNC_BLOCK_HASH\"|" $CONFIG_TOML

  • Reset data and download snapshot from itrocket.net

    cp ~/.mantrad/data/priv_validator_state.json ~/priv_validator_state.json
mantrachaind tendermint unsafe-reset-all --home /home/mantra/.mantrad --keep-addr-book
if curl -s --head curl https://testnet-files.itrocket.net/mantra/snap_mantra.tar.lz4 | head -n 1 | grep "200" > /dev/null; then
  curl https://testnet-files.itrocket.net/mantra/snap_mantra.tar.lz4 | lz4 -dc - | tar -xf - -C /home/mantra/.mantrad
    else
  echo no have snap
fi

  • Install the systemd service

    sudo bash -c 'cat <<EOF >> /etc/systemd/system/mantrad.service
[Unit]
Description=Mantra Node
After=network-online.target

[Service]
User=mantra
WorkingDirectory=/home/mantra/.mantrad
ExecStart=/usr/local/bin/mantrad start --home /home/mantra/.mantrad
Restart=on-failure
RestartSec=5
LimitNOFILE=65535

[Install]
WantedBy=multi-user.target
EOF'

  • Enable and start the service

    sudo systemctl daemon-reload
sudo systemctl enable mantrad
sudo systemctl start mantrad

  • Check logs for progress

    sudo journalctl -f -u mantrad.service