💾Node Installation

Aura Mainnet guide

EXPLORER

• Minimum hardware requirements:

Node Type	CPU	RAM	Storage
Mainnet	8	16GB	250GB

1) Auto_install script

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

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 20.08.24

cd $HOME && mkdir -p go/bin/
git clone https://github.com/aura-nw/aura
cd aura
git checkout v0.9.3
make install

aurad version --long | grep -e version -e commit

• version: v0.9.3

• commit: ae45a4ef71da0e09543a926825662c555af507bd

Initiation

aurad init STAVR_guide --chain-id=aura_6322-2
aurad config chain-id aura_6322-2

Create/recover wallet

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

Download Genesis

wget -O $HOME/.aura/config/genesis.json "https://server-1.stavr.tech/Mainnet/Aura/genesis.json"

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

• 0bde14578b0e6ce6d8aae59e1944f2b959c4c2722cc4e3004eefc3957c84c269

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

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

Indexer (optional)

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

Download addrbook

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

Create a service file

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

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

[Install]
WantedBy=multi-user.target
EOF

StateSync Aura Mainnet

systemctl stop aurad
SNAP_RPC=https://aura.rpc.m.stavr.tech:443
cp $HOME/.aura/data/priv_validator_state.json $HOME/.aura/priv_validator_state.json.backup
LATEST_HEIGHT=$(curl -s $SNAP_RPC/block | jq -r .result.block.header.height); \
BLOCK_HEIGHT=$((LATEST_HEIGHT - 100)); \
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/.aura/config/config.toml
aurad tendermint unsafe-reset-all --home $HOME/.aura
mv $HOME/.aura/priv_validator_state.json.backup $HOME/.aura/data/priv_validator_state.json
wget -O $HOME/.aura/config/addrbook.json "https://server-1.stavr.tech/Mainnet/Aura/addrbook.json"
curl -o - -L https://aura.wasm.stavr.tech/wasm-aura.tar.lz4 | lz4 -c -d - | tar -x -C $HOME/.aura
sudo systemctl restart aurad && journalctl -fu aurad -o cat

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

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

Start

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

Create validator

aurad tx staking create-validator \
--amount 1000000ueaura \
--from <walletName> \
--commission-max-change-rate "0.1" \
--commission-max-rate "0.2" \
--commission-rate "0.05" \
--min-self-delegation "1" \
--details="" \
--identity="" \
--pubkey  $(aurad tendermint show-validator) \
--moniker STAVR_guide \
--fees 555uaura \
--chain-id aura_6322-2 -y

🧩Services and Tools🧩

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