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DROSERA NETWORK

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DROSERA TESTNET IS LIVE

Drosera Introduction ​

Drosera is a passionate team of developers and researchers who are dedicated to building trustless and decentralized infrastructure for detecting exploits and mitigating financial loss. Drosera is an automation protocol that simplifies the process of creating monitoring systems for decentralized applications. It provides a framework for creating and executing automated responses to events on the Ethereum network, enabling developers to create more robust and secure applications. Learn More

Pre-installation ​

System Requirements ​

Recommended System Requirements:
  • 2 CPU Cores
  • 20GB Storage
  • 4GB RAM
  • 10Mbps Internet

​

How to Get Your own Private RPC ​

​

1. Installing Dependencies & Environments ​

1.1 First Method: 1-Click Installer ​

bash
curl -fsSL https://raw.githubusercontent.com/jprsyt5/Drosera-Network/refs/heads/main/setup.sh -o setup.sh && chmod +x setup.sh && ./setup.sh

DO NOT FOLLOW THE STEPS BELOW IF YOU CHOSE THE FIRST METHOD

If you used the 1-click installer, once the command runs successfully and you see the success message, you can skip the rest of this section and jump straight to Opt-in Trap directly.

1.2 Second Method: Manual Install ​

First, update and upgrade your system by running the following commands:

bash
sudo apt-get update && sudo apt-get upgrade -y

Then install the required dependencies:

bash
sudo apt install curl ufw iptables build-essential git wget lz4 jq make gcc nano automake autoconf tmux htop nvme-cli libgbm1 pkg-config libssl-dev libleveldb-dev tar clang bsdmainutils ncdu unzip libleveldb-dev  -y

Install the Drosera CLI:

bash
curl -L https://app.drosera.io/install | bash
source /root/.bashrc
droseraup

Install the Foundry CLI:

bash
curl -L https://foundry.paradigm.xyz | bash
source /root/.bashrc
foundryup

Install Bun:

bash
curl -fsSL https://bun.sh/install | bash

2. Configuring Drosera CLI & Deploy Trap ​

Create a new folder and move into it:

bash
mkdir Drosera-Network && cd Drosera-Network

Add your GitHub email and username. Make sure to replace Github_Email and Github_Username with your actual GitHub account details before running this command:

bash
git config --global user.email "Github_Email"
git config --global user.name "Github_Username"

Download the trap configuration template:

bash
forge init -t drosera-network/trap-foundry-template

Set up Bun:

bash
curl -fsSL https://bun.sh/install | bash
source /root/.bashrc
bun install

Build the project:

bash
forge build

Deploy your Trap:

bash
DROSERA_PRIVATE_KEY=xxx drosera apply
Traps Explorer

Click the image to zoom

You can check if the trap was successfully deployed by going to app.drosera.io, connecting the wallet you used in this tutorial, and clicking the Traps Owned button.

3. Operator Setup ​

3.1 Whitelist Operator ​

Make sure you're in the same directory as your drosera.toml file, then run:

bash
nano drosera.toml

Add the highlighted lines to the bottom of your drosera.toml. Also, replace YOUR_OWN_HOLESKY_RPC with your own RPC:

bash
ethereum_rpc = "YOUR_OWN_HOLESKY_RPC"
drosera_rpc = "https://seed-node.testnet.drosera.io"
eth_chain_id = 17000
drosera_address = "0xea08f7d533C2b9A62F40D5326214f39a8E3A32F8"

[traps]

[traps.mytrap]
path = "out/HelloWorldTrap.sol/HelloWorldTrap.json"
response_contract = "0xdA890040Af0533D98B9F5f8FE3537720ABf83B0C"
response_function = "helloworld(string)"
cooldown_period_blocks = 33
min_number_of_operators = 1
max_number_of_operators = 2
block_sample_size = 10
private = true
whitelist = ["Operator_Address"] 
private_trap = true

Replace Operator_Address with your EVM wallet Address. To save your changes, press: CTRL + O, then Enter, then CTRL + X.

Now update the trap configuration by running:

bash
DROSERA_PRIVATE_KEY=xxx drosera apply

3.2 Installing Operator CLI ​

Move back to the home directory:

bash
cd ~

Download and extract the Operator CLI:

bash
curl -LO https://github.com/drosera-network/releases/releases/download/v1.16.2/drosera-operator-v1.16.2-x86_64-unknown-linux-gnu.tar.gz && tar -xvf drosera-operator-v1.16.2-x86_64-unknown-linux-gnu.tar.gz

Test the CLI to make sure it’s working:

bash
./drosera-operator --version

Move the binary to your global path:

bash
sudo cp drosera-operator /usr/bin

Check again to confirm it’s still working:

bash
drosera-operator

3.3 Registering Operator ​

Replace PV_KEY with your Drosera EVM private key, we use the same wallet as our trap wallet. Then replace YOUR_OWN_HOLESKY_RPC with your own private RPC.

bash
drosera-operator register --eth-rpc-url YOUR_OWN_HOLESKY_RPC --eth-private-key PV_KEY

3.4 Configuring Port ​

Enable the firewall and allow the necessary ports:

bash
# Enable firewall
sudo ufw allow ssh
sudo ufw allow 22
sudo ufw enable

# Allow Drosera ports
sudo ufw allow 31313/tcp
sudo ufw allow 31314/tcp

3.5 Configuring SystemD service ​

Find your server's IPv4. To get your server’s IPv4 address, run:

sh
curl ifconfig.me -4

Now create the SystemD service. Before running the command below, make sure to replace:

  • YOUR_OWN_HOLESKY_RPC with your own RPC URL.
  • PV_KEY with your private key
  • VPS_IP with your server’s IPv4 address
bash
sudo tee /etc/systemd/system/drosera.service > /dev/null <<EOF
[Unit]
Description=drosera node service
After=network-online.target

[Service]
User=$USER
Restart=always
RestartSec=15
LimitNOFILE=65535
ExecStart=$(which drosera-operator) node --db-file-path $HOME/.drosera.db --network-p2p-port 31313 --server-port 31314 \
    --eth-rpc-url YOUR_OWN_HOLESKY_RPC \
    --eth-backup-rpc-url https://1rpc.io/holesky \
    --drosera-address 0xea08f7d533C2b9A62F40D5326214f39a8E3A32F8 \
    --eth-private-key PV_KEY \
    --listen-address 0.0.0.0 \
    --network-external-p2p-address VPS_IP \
    --disable-dnr-confirmation true

[Install]
WantedBy=multi-user.target
EOF

Reload the systemd daemon, enable and start the Drosera service:

sh
sudo systemctl daemon-reload
sudo systemctl enable drosera
sudo systemctl start drosera
Optional Command
sh
sudo systemctl stop drosera #Stop Drosera Service
sudo systemctl restart drosera #Restart Drosera Service

3.6 Opt-in Trap ​

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3.7 Check Node Liveness ​

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