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dYmension

Dymension is a home for easily deployable and lightning fast app-chains, called RollApps. Easily deploy your own consensus-free blockchain and accrue more token value with greater security. Scale just like traditional low latent servers by outsourcing consensus to the dymension hub.

Installation Upgrade Snapshot State-sync Services Network map

Website Chain explorer

Installation (Ubuntu/Debian)

Install dependencies

sudo apt update
sudo apt install -y curl git jq lz4 build-essential
sudo rm -rf /usr/local/go
sudo curl -Ls https://go.dev/dl/go1.20.linux-amd64.tar.gz | sudo tar -C /usr/local -xz
tee -a $HOME/.profile > /dev/null << EOF
export PATH=$PATH:/usr/local/go/bin
EOF
source $HOME/.profile

Download/compile and install `dymd`

Node retention

cd $HOME
rm -rf dymension
git clone https://github.com/dymensionxyz/dymension
cd dymension

# Compile version v0.2.0-beta
git checkout v0.2.0-beta
make build
mkdir -p $HOME/.dymension/cosmovisor/genesis/bin
mv build/dymd $HOME/.dymension/cosmovisor/genesis/bin/

Install cosmovisor and service

curl -Ls https://github.com/cosmos/cosmos-sdk/releases/download/cosmovisor%2Fv1.3.0/cosmovisor-v1.3.0-linux-amd64.tar.gz | tar xz
chmod 755 cosmovisor
sudo mv cosmovisor /usr/bin/cosmovisor

sudo tee /etc/systemd/system/dymd.service > /dev/null << EOF
[Unit]
Description=dYmension Node Service
After=network-online.target
[Service]
User=$USER
ExecStart=/usr/bin/cosmovisor run start
Restart=on-failure
RestartSec=10
LimitNOFILE=8192
Environment="DAEMON_HOME=$HOME/.dymension"
Environment="DAEMON_NAME=dymd"
Environment="UNSAFE_SKIP_BACKUP=true"
[Install]
WantedBy=multi-user.target
EOF
sudo systemctl daemon-reload
sudo systemctl enable dymd

Initialize the node

The name of your node

MONIKER=""

ln -s $HOME/.dymension/cosmovisor/genesis $HOME/.dymension/cosmovisor/current
sudo ln -s $HOME/.dymension/cosmovisor/current/bin/dymd /usr/local/bin/dymd
dymd config chain-id froopyland_100-1
dymd init $MONIKER --chain-id froopyland_100-1
curl -Ls https://raw.githubusercontent.com/dymensionxyz/testnets/main/dymension-hub/froopyland/genesis.json > $HOME/.dymension/config/genesis.json
sed -i -e "s|^seeds *=.*|seeds = \"f97a75fb69d3a5fe893dca7c8d238ccc0bd66a8f@dymension-testnet.seed.brocha.in:30584\"|" $HOME/.dymension/config/config.toml
tee $HOME/.dymension/data/priv_validator_state.json > /dev/null << EOF
{
  "height": "0",
  "round": 0,
  "step": 0
}
EOF
sed -i -e "s|^minimum-gas-prices *=.*|minimum-gas-prices = \"0.0001udym\"|" $HOME/.dymension/config/app.toml
sed -i -e "s|^pruning *=.*|pruning = \"custom\"|" $HOME/.dymension/config/app.toml
sed -i -e "s|^pruning-keep-recent *=.*|pruning-keep-recent = \"3000\"|" $HOME/.dymension/config/app.toml
sed -i -e "s|^pruning-keep-every *=.*|pruning-keep-every = \"0\"|" $HOME/.dymension/config/app.toml
sed -i -e "s|^pruning-interval *=.*|pruning-interval = \"10\"|" $HOME/.dymension/config/app.toml
sed -i -e "s|^snapshot-interval *=.*|snapshot-interval = \"1000\"|" $HOME/.dymension/config/app.toml
sed -i -e "s|^snapshot-keep-recent *=.*|snapshot-keep-recent = \"2\"|" $HOME/.dymension/config/app.toml

Start the service and check the log

sudo systemctl start dymd
sudo journalctl -u dymd -f --no-hostname -o cat