Testnet
Chain ID: union-testnet-8 | Node Version: v0.22.0
Node Installation Guide
Update system and install build tools
sudo apt update
sudo apt-get install git curl build-essential make jq gcc snapd chrony lz4 tmux unzip bc -y
Install Go
rm -rf $HOME/go
sudo rm -rf /usr/local/go
cd $HOME
curl https://dl.google.com/go/go1.20.5.linux-amd64.tar.gz | sudo tar -C/usr/local -zxvf -
cat <<'EOF' >>$HOME/.profile
export GOROOT=/usr/local/go
export GOPATH=$HOME/go
export GO111MODULE=on
export PATH=$PATH:/usr/local/go/bin:$HOME/go/bin
EOF
source $HOME/.profile
go version
Install Node
cd $HOME
mkdir -p $HOME/go/bin/
wget https://ss-t.union.nodestake.org/uniond
chmod +x uniond
mv uniond $HOME/go/bin/
uniond version
Initialize Node
Replace NodeName with your own moniker.
uniond init NodeName --chain-id=union-testnet-8
Download Genesis
curl -Ls https://ss-t.union.nodestake.org/genesis.json > $HOME/.union/config/genesis.json
Download addrbook
curl -Ls https://ss-t.union.nodestake.org/addrbook.json > $HOME/.union/config/addrbook.json
Create Service
sudo tee /etc/systemd/system/uniond.service > /dev/null <<EOF
[Unit]
Description=uniond Daemon
After=network-online.target
[Service]
User=$USER
ExecStart=$(which uniond) start
Restart=always
RestartSec=3
LimitNOFILE=65535
[Install]
WantedBy=multi-user.target
EOF
sudo systemctl daemon-reload
sudo systemctl enable uniond
Download Snapshot(optional)
SNAP_NAME=$(curl -s https://ss-t.union.nodestake.org/ | egrep -o ">20.*\.tar.lz4" | tr -d ">")
curl -o - -L https://ss-t.union.nodestake.top/${SNAP_NAME} | lz4 -c -d - | tar -x -C $HOME/.union
Launch Node
sudo systemctl restart uniond
journalctl -u uniond -f
If you have any questions, please reach out to our Discord
https://rpc-t.union.nodestake.org
https://api-t.union.nodestake.org
https://grpc-t.union.nodestake.org:443
https://ss-t.union.nodestake.org/genesis.json
Download Genesis File
curl -Ls https://ss-t.union.nodestake.org/genesis.json > $HOME/.union/config/genesis.json
64705ffad42737e2fe220397f8f902c141f963af@rpc-t.union.nodestake.org:666
Set Seed Node
seed="64705ffad42737e2fe220397f8f902c141f963af@rpc-t.union.nodestake.org:666"
sed -i.bak -e "s/^seed *=.*/seed = \"$seed\"/" ~/.union/config/config.toml
Restart Node
sudo systemctl restart uniond
journalctl -u uniond -f
https://ss-t.union.nodestake.org/addrbook.json
Download Addrbook
curl -Ls https://ss-t.union.nodestake.org/addrbook.json > $HOME/.union/config/addrbook.json
Restart Node
sudo systemctl restart uniond
journalctl -u uniond -f
Set Peers
peers=$(curl -s https://ss-t.union.nodestake.org/peers.txt)
sed -i.bak -e "s/^persistent_peers *=.*/persistent_peers = \"$peers\"/" ~/.union/config/config.toml
Restart Node
sudo systemctl restart uniond
journalctl -u uniond -f
Stop Node And Reset
sudo systemctl stop uniond
uniond tendermint unsafe-reset-all --home ~/.union/ --keep-addr-book
Configure State Sync
SNAP_RPC="https://rpc-t.union.nodestake.org:443"
LATEST_HEIGHT=$(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\"|" ~/.union/config/config.toml
more ~/.union/config/config.toml | grep 'rpc_servers'
more ~/.union/config/config.toml | grep 'trust_height'
more ~/.union/config/config.toml | grep 'trust_hash'
Download Wasm
rm -rf ~/.union/wasm
rm -rf ~/.union/ibc_08-wasm_client_data
curl -o - -L https://ss-t.union.nodestake.org/wasm.tar.lz4 | lz4 -dc - | tar -xf - -C $HOME/.union
curl -o - -L https://ss-t.union.nodestake.org/ibc_08-wasm_client_data.tar.lz4 | lz4 -dc - | tar -xf - -C $HOME/.union
Restart Node
sudo systemctl restart uniond
journalctl -u uniond -f
We make the node snapshot every 12h
Install lz4
sudo apt update
sudo apt-get install snapd lz4 -y
Stop Node and Reset Date
sudo systemctl stop uniond
cp $HOME/.union/data/priv_validator_state.json $HOME/.union/priv_validator_state.json.backup
rm -rf $HOME/.union/data
rm -rf $HOME/.union/wasm
uniond tendermint unsafe-reset-all --home ~/.union/ --keep-addr-book
Download Snapshot
SNAP_NAME=$(curl -s https://ss-t.union.nodestake.org/ | egrep -o ">20.*\.tar.lz4" | tr -d ">")
curl -o - -L https://ss-t.union.nodestake.org/${SNAP_NAME} | lz4 -c -d - | tar -x -C $HOME/.union
mv $HOME/.union/priv_validator_state.json.backup $HOME/.union/data/priv_validator_state.json
Restart Node
sudo systemctl restart uniond
journalctl -u uniond -f
If you have any questions, please reach out to our Discord