💾Node Installation

Gravity Mainnet guide

  • Minimum hardware requirements:

1) Auto_install script

wget -O gravitym https://raw.githubusercontent.com/111STAVR111/props/main/Gravity/gravitym && chmod +x gravitym && ./gravitym

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 1.21.6

ver="1.21.6"
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 15.11.23

cd $HOME && mkdir -p go/bin/
mkdir gravity-bin && cd gravity-bin
wget https://github.com/Gravity-Bridge/Gravity-Bridge/releases/download/v1.11.1/gravity-linux-amd64
mv gravity-linux-amd64 gravity
wget https://github.com/Gravity-Bridge/Gravity-Bridge/releases/download/v1.11.1/gbt
chmod +x *
sudo mv * /usr/local/bin/

gravity version --long | head

  • version: v1.11.1

  • commit: d8f348d6035de64b23092bcc6a9b04403a125451

Initiation

gravity init STAVR_guide --chain-id gravity-bridge-3
gravity config chain-id gravity-bridge-3
gbt init

Create wallet

gravity keys add <wallet_name> --algo secp256k1 --coin-type 118
gravity keys add <wallet_orchestrator_name>
gravity eth_keys add <wallet_eth_name>

Key set for orchestrator

gbt keys set-ethereum-key --key <your Ethereum PRIVATE key>
gbt keys set-orchestrator-key --phrase "<your mnemonic from orchestrator wallet>"

Download Genesis

wget -O $HOME/.gravity/config/genesis.json "https://raw.githubusercontent.com/111STAVR111/props/main/Gravity/genesis.json"

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

  • 3c1cb9bf8003a1045b415b19bc92890b5a69ec8cf1ef909b61d5503b5e1c1dff

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

sed -i.bak -e "s/^minimum-gas-prices *=.*/minimum-gas-prices = \"0.001ugraviton\"/;" ~/.gravity/config/app.toml
external_address=$(wget -qO- eth0.me) 
sed -i.bak -e "s/^external_address *=.*/external_address = \"$external_address:26656\"/" $HOME/.gravity/config/config.toml
peers=""
sed -i.bak -e "s/^persistent_peers *=.*/persistent_peers = \"$peers\"/" $HOME/.gravity/config/config.toml
seeds=""
sed -i.bak -e "s/^seeds =.*/seeds = \"$seeds\"/" $HOME/.gravity/config/config.toml
sed -i 's/max_num_inbound_peers =.*/max_num_inbound_peers = 50/g' $HOME/.gravity/config/config.toml
sed -i 's/max_num_outbound_peers =.*/max_num_outbound_peers = 50/g' $HOME/.gravity/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\"/" $HOME/.gravity/config/app.toml
sed -i -e "s/^pruning-keep-recent *=.*/pruning-keep-recent = \"$pruning_keep_recent\"/" $HOME/.gravity/config/app.toml
sed -i -e "s/^pruning-keep-every *=.*/pruning-keep-every = \"$pruning_keep_every\"/" $HOME/.gravity/config/app.toml
sed -i -e "s/^pruning-interval *=.*/pruning-interval = \"$pruning_interval\"/" $HOME/.gravity/config/app.toml

Indexer (optional)

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

Download addrbook

wget -O $HOME/.gravity/config/addrbook.json "https://raw.githubusercontent.com/111STAVR111/props/main/Gravity/addrbook.json"

Create a service file

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

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

[Install]
WantedBy=multi-user.target
EOF

StateSync Gravity Mainnet

SOOON

SnapShot Mainnet updated every 5 hours

SOOON

Start

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

Create the service file Orchestrator

sudo tee /etc/systemd/system/orchestrator.service > /dev/null <<EOF
[Unit]
Description=Gravity Bridge Orchestrator
Requires=network.target
[Service]
Type=simple
TimeoutStartSec=10s
Restart=on-failure
RestartSec=10
ExecStart=$(which gbt) orchestrator \
--fees 5000ugraviton \
--gravity-contract-address 0xa4108aA1Ec4967F8b52220a4f7e94A8201F2D906 \
--ethereum-rpc "https://eth.althea.net/"
[Install]
WantedBy=default.target
EOF

Load service and start

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

Create validator

gravity tx staking create-validator \
--commission-rate 0.1 \
--commission-max-rate 0.2 \
--commission-max-change-rate 0.2 \
--min-self-delegation "1" \
--amount 1000000000000000000ugraviton \
--pubkey $(gravity tendermint show-validator) \
--from <wallet> \
--moniker="STAVR_guide" \
--chain-id gravity-bridge-3 \
--fees="500ugraviton" \
--identity="" \
--website="" \
--details="" -y

Delete node

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

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