Minimum hardware requirements :
1) Auto_install script
Copy wget -O uniont https://raw.githubusercontent.com/111STAVR111/props/main/Union/uniont && chmod +x uniont && ./uniont
2) Manual installation
Preparing the server
Copy 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
Copy 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 10.06.24
Copy cd $HOME && mkdir -p go/bin/
wget https://uniont.binary.stavr.tech/union/uniond
chmod +x uniond
mv uniond $HOME /go/bin/
uniond --home $HOME/.union version --long
commit: 4d3bf1c9ca1e7b210206ab20c32fe0300ea23291
Initiation
Copy uniond --home $HOME / . union init STAVR_guide --chain - id union - testnet - 8
Create/recover wallet
Copy uniond keys add < walletnam e >
OR
uniond keys add < walletnam e > --recover
Download Genesis
Copy wget - O $HOME / . union / config / genesis . json "https://raw.githubusercontent.com/111STAVR111/props/main/Union/genesis.json"
sha256sum $HOME/.union/config/genesis.json
e4baab5c99daeff7445d43fff5adf5412d1269e59d2929e56f05b113d4ae0c3c
Set up the minimum gas price and Peers/Seeds/Filter peers/MaxPeers
Copy sed -i.bak -e "s/^minimum-gas-prices *=.*/minimum-gas-prices = \"0.0muno\"/;" ~/.union/config/app.toml
external_address = $( wget -qO- eth0.me )
sed -i.bak -e "s/^external_address *=.*/external_address = \"$external_address:26656\"/" $HOME /.union/config/config.toml
peers = ""
sed -i.bak -e "s/^persistent_peers *=.*/persistent_peers = \"$peers\"/" $HOME /.union/config/config.toml
seeds = ""
sed -i.bak -e "s/^seeds =.*/seeds = \"$seeds\"/" $HOME /.union/config/config.toml
sed -i 's/max_num_inbound_peers =.*/max_num_inbound_peers = 50/g' $HOME /.union/config/config.toml
sed -i 's/max_num_outbound_peers =.*/max_num_outbound_peers = 10/g' $HOME /.union/config/config.toml
Pruning (optional)
Copy pruning = "custom"
pruning_keep_recent = "1000"
pruning_keep_every = "0"
pruning_interval = "10"
sed -i -e "s/^pruning *=.*/pruning = \"$pruning\"/" $HOME /.union/config/app.toml
sed -i -e "s/^pruning-keep-recent *=.*/pruning-keep-recent = \"$pruning_keep_recent\"/" $HOME /.union/config/app.toml
sed -i -e "s/^pruning-keep-every *=.*/pruning-keep-every = \"$pruning_keep_every\"/" $HOME /.union/config/app.toml
sed -i -e "s/^pruning-interval *=.*/pruning-interval = \"$pruning_interval\"/" $HOME /.union/config/app.toml
Indexer (optional)
Copy indexer = "null" &&
sed -i -e "s/^indexer *=.*/indexer = \"$indexer\"/" $HOME /.union/config/config.toml
Download addrbook
Copy wget -O $HOME /.union/config/addrbook.json "https://raw.githubusercontent.com/111STAVR111/props/main/Union/addrbook.json"
Create a service file
Copy sudo tee /etc/systemd/system/uniond.service > /dev/null << EOF
[Unit]
Description=uniond
After=network-online.target
[Service]
User=$USER
ExecStart=$( which uniond) start --home /root/.union
Restart=on-failure
RestartSec=3
LimitNOFILE=65535
[Install]
WantedBy=multi-user.target
EOF
StateSync Union Testnet
Copy SNAP_RPC = https://union.rpc.t.stavr.tech:443
peers = "59d554ab6bee4d814afb3e15af4031df19b2084c@union-t.seed.stavr.tech:4256"
sed -i.bak -e "s/^persistent_peers *=.*/persistent_peers = \"$peers\"/" $HOME /.union/config/config.toml
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 /.union/config/config.toml
uniond tendermint unsafe-reset-all --home /root/.union
wget -O $HOME /.union/config/addrbook.json "https://raw.githubusercontent.com/111STAVR111/props/main/Union/addrbook.json"
systemctl restart uniond && journalctl -u uniond -f -o cat
SnapShot Testnet updated every 5 hours
Copy cd $HOME
apt install lz4
sudo systemctl stop uniond
cp $HOME /.union/data/priv_validator_state.json $HOME /.union/priv_validator_state.json.backup
rm -rf $HOME /.union/data