💾Node Installation

Mantra Mainnet guide

  • Minimum hardware requirements:

Node TypeCPURAMStorage

Mainnet

8

16GB

150GB

1) Auto_install script

source <(curl -s https://raw.githubusercontent.com/111STAVR111/props/refs/heads/main/Mantra/Mainnet/mantram)

2) Manual installation

Preparing the server

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 1.23.1

ver="1.23.1"
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

Build 08.11.24

cd $HOME && mkdir -p go/bin/
git clone https://github.com/MANTRA-Chain/mantrachain/ mantra
cd mantra
git checkout v1.0.2
make install

mantrachaind version --long | grep -e commit -e version

  • version: v1.0.2

  • commit: 3eaa0f3b

Initiation

mantrachaind init STAVR_guide --chain-id=mantra-1
mantrachaind config chain-id mantra-1

Create/recover wallet

mantrachaind keys add <walletname>
           OR
mantrachaind keys add <walletname> --recover

Download Genesis

wget -L -O $HOME/.mantrachain/config/genesis.json https://server-1.stavr.tech/Mainnet/Mantrachain/genesis.json

sha256sum $HOME/.mantrachain/config/genesis.json

  • c645a025f1d47e7cbc978274bb1c9e1cb561e66b96818fa571206f973f20369c

Set up the minimum gas price and Peers/Seeds/Filter peers/MaxPeers

sed -i.bak -e "s/^minimum-gas-prices *=.*/minimum-gas-prices = \"0.01uom\"/;" ~/.mantrachain/config/app.toml
external_address=$(wget -qO- eth0.me) 
sed -i.bak -e "s/^external_address *=.*/external_address = \"$external_address:26656\"/" $HOME/.mantrachain/config/config.toml
peers=""
sed -i.bak -e "s/^persistent_peers *=.*/persistent_peers = \"$peers\"/" $HOME/.mantrachain/config/config.toml
seeds=""
sed -i.bak -e "s/^seeds =.*/seeds = \"$seeds\"/" $HOME/.mantrachain/config/config.toml
sed -i 's/max_num_inbound_peers =.*/max_num_inbound_peers = 50/g' $HOME/.mantrachain/config/config.toml
sed -i 's/max_num_outbound_peers =.*/max_num_outbound_peers = 50/g' $HOME/.mantrachain/config/config.toml

Pruning (optional)

pruning="custom"
pruning_keep_recent="1000"
pruning_keep_every="0"
pruning_interval="10"
sed -i -e "s/^pruning *=.*/pruning = \"$pruning\"/" $HOME/.mantrachain/config/app.toml
sed -i -e "s/^pruning-keep-recent *=.*/pruning-keep-recent = \"$pruning_keep_recent\"/" $HOME/.mantrachain/config/app.toml
sed -i -e "s/^pruning-keep-every *=.*/pruning-keep-every = \"$pruning_keep_every\"/" $HOME/.mantrachain/config/app.toml
sed -i -e "s/^pruning-interval *=.*/pruning-interval = \"$pruning_interval\"/" $HOME/.mantrachain/config/app.toml

Indexer (optional)

indexer="null" &&
sed -i -e "s/^indexer *=.*/indexer = \"$indexer\"/" $HOME/.mantrachain/config/config.toml

Download addrbook

wget -O $HOME/.mantrachain/config/addrbook.json "https://server-1.stavr.tech/Mainnet/Mantrachain/addrbook.json"

Create a service file

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

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

[Install]
WantedBy=multi-user.target
EOF

StateSync Mantra Mainent

systemctl stop mantrachaind
SNAP_RPC=https://mantra.rpc.m.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/.mantrachain/config/config.toml
mantrachaind tendermint unsafe-reset-all --home /root/.mantrachain
wget -O $HOME/.mantrachain/config/addrbook.json "https://server-1.stavr.tech/Mainnet/Mantrachain/addrbook.json"
curl -o - -L https://mantra-m.wasm.stavr.tech/wasm-mantra.tar.lz4 | lz4 -c -d - | tar -x -C $HOME/.mantrachain
sudo systemctl restart mantrachaind && journalctl -fu mantrachaind -o cat

SnapShot Mainent updated every 5 hours

You can check the size and time of snapshot creation with this command

curl -sI https://server-1.stavr.tech/Mainnet/Mantrachain/mantra-snap-1.tar.lz4 | grep "last" && curl -sI https://server-1.stavr.tech/Mainnet/Mantrachain/mantra-snap-1.tar.lz4 | grep content-length | awk '{printf "%.2f GB\n", $2/1024/1024/1024}'

cd $HOME
apt install lz4
sudo systemctl stop mantrachaind
cp $HOME/.mantrachain/data/priv_validator_state.json $HOME/.mantrachain/priv_validator_state.json.backup
rm -rf $HOME/.mantrachain/data
LATEST_SNAPSHOT=$(curl -s https://server-1.stavr.tech/Mainnet/Mantrachain/ | grep -oE 'mantra-snap-[0-9]+\.tar\.lz4' | while read SNAPSHOT; do HEIGHT=$(curl -s "https://server-1.stavr.tech/Mainnet/Mantrachain/${SNAPSHOT%.tar.lz4}-info.txt" | awk '/Block height:/ {print $3}'); echo "$SNAPSHOT $HEIGHT"; done | sort -k2 -nr | head -n 1 | awk '{print $1}')
curl -o - -L https://server-1.stavr.tech/Mainnet/Mantrachain/$LATEST_SNAPSHOT | lz4 -c -d - | tar -x -C $HOME/.mantrachain
curl -o - -L https://mantra-m.wasm.stavr.tech/wasm-mantra.tar.lz4 | lz4 -c -d - | tar -x -C $HOME/.mantrachain
mv $HOME/.mantrachain/priv_validator_state.json.backup $HOME/.mantrachain/data/priv_validator_state.json
wget -O $HOME/.mantrachain/config/addrbook.json "https://server-1.stavr.tech/Mainnet/Mantrachain/addrbook.json"
sudo systemctl restart mantrachaind && journalctl -fu mantrachaind -o cat

Start

sudo systemctl daemon-reload
sudo systemctl enable mantrachaind
sudo systemctl restart mantrachaind && sudo journalctl -fu mantrachaind -o cat

Create validator

#pubkey
mantrachaind tendermint show-validator --home /root/.mantrachain
nano $HOME/.mantrachain/validator.json
{
  "pubkey": {"#pubkey"},
  "amount": "1000000uom",
  "moniker": "STAVR_guide",
  "identity": "",
  "website": "",
  "security": "",
  "details": "",
  "commission-rate": "0.05",
  "commission-max-rate": "0.2",
  "commission-max-change-rate": "0.2",
  "min-self-delegation": "1"
}
mantrachaind tx staking create-validator $HOME/.mantrachain/validator.json --from=WalletName  --chain-id=mantra-1 --fees 3500uom -y --gas 350000

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

sudo systemctl stop mantrachaind
sudo systemctl disable mantrachaind
rm /etc/systemd/system/mantrachaind.service
sudo systemctl daemon-reload
cd $HOME
rm -rf mantra .mantrachain
rm -rf $(which mantrachaind)

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