99 lines
5.9 KiB
Markdown
99 lines
5.9 KiB
Markdown
# Relayer for Tornado Cash [](https://github.com/tornadocash/relayer/actions) [](https://hub.docker.com/repository/docker/tornadocash/relayer)
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__*Tornado Cash was sanctioned by the US Treasury on 08/08/2022, this makes it illegal for US citizens to interact with Tornado Cash and all of it's associated deployed smart contracts. Please understand the laws where you live and take all necessary steps to protect and anonymize yourself.__
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__*It is recommended to run your Relayer on a VPS instance ([Virtual Private Server](https://njal.la/)). Ensure SSH configuration is enabled for security, you can find information about SSH keygen and management [here](https://www.ssh.com/academy/ssh/keygen).__
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## Deploy with docker-compose (recommended)
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*The following instructions are for Ubuntu 22.10, other operating systems may vary. These instructions include automated SSL configuration with LetsEncrypt.*
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__PREREQUISITES__
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1. Update core dependencies
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- `sudo apt-get update`
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2. Install docker-compose
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- `curl -SL https://github.com/docker/compose/releases/download/v2.16.0/docker-compose-linux-x86_64 -o /usr/local/bin/docker-compose && sudo chmod +x /usr/local/bin/docker-compose`
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3. Install Docker
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- `curl -fsSL https://get.docker.com -o get-docker.sh && chmod +x get-docker.sh && ./get-docker.sh`
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4. Install git
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- `sudo apt-get install git-all`
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5. Install nginx
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- `sudo apt install nginx`
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6. Stop apache2 instance (enabled by default)
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- `sudo systemctl stop apache2`
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__FIREWALL CONFIGURATION__
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_* Warning: Failure to configure SSH as the first UFW rule, will lock you out of the instance_
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1. Make sure UFW is installed by running `apt update` and `apt install ufw`
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2. Allow SSH in the first position in UFW by running `ufw insert 1 allow ssh`*
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3. Allow HTTP, and HTTPS by running `ufw allow https/tcp/http`
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4. Finalize changes and enable firewall `ufw enable`
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__DEPLOYMENT__
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1. Clone the repository and enter the directory
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- `git clone https://git.tornado.ws/tornadocash/classic-relayer -b mainnet-v4 && cd classic-relayer`
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2. Clone the example environment file `.env.example` to configure for the preferred network - `cp .env.example .env` , then fill `.env` file.
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- Set `PRIVATE_KEY` for your relayer address (remove the 0x from your private key)
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- Set `VIRTUAL_HOST` and `LETSENCRYPT_HOST` to your domain address
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- add a A record DNS record with the value assigned to your instance IP address to configure the domain
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- Set `RELAYER_FEE` to what you would like to charge as your fee (remember 0.3% is deducted from your staked relayer balance)
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- Set `RPC_URL` to a non-censoring RPC endpoint (You can [run your own](https://github.com/feshchenkod/rpc-nodes), or use a [free option](https://chainnodes.org/))
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- Set `ORACLE_RPC_URL` to an Ethereum native RPC endpoint
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4. Uncomment the `env_file` lines (remove `# `) for the associated network services in `docker-compose.yml`
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5. Build and deploy the docker source by specifying the network through `--profile <NETWORK_SYMBOL>`
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- `docker-compose --profile eth up -d`
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5. Visit your domain address and check the `/status` endpoint and ensure there is no errors in the `status` field
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__NGINX REVERSE PROXY__
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1. Copy the pre-modified nginx policy as your default policy
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- `cp tornado.conf /etc/nginx/sites-available/default`
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2. Append the default nginx configuration to include streams
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- `echo "stream { map_hash_bucket_size 128; map_hash_max_size 128; include /etc/nginx/conf.d/streams/*.conf; }" >> /etc/nginx/nginx.conf`
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3. Create the stream configuration
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- `mkdir /etc/nginx/conf.d/streams && cp tornado-stream.conf /etc/nginx/conf.d/streams/tornado-stream.conf`
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4. Start nginx to make sure the configuration is correct
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- `sudo systemctl restart nginx`
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5. Stop nginx
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- `sudo systemctl stop nginx`
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## Run locally
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1. `npm i`
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2. `cp .env.example .env`
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3. Modify `.env` as needed
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4. `npm run start`
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5. Go to `http://127.0.0.1:8000`
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6. In order to execute withdraw request, you can run following command
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```bash
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curl -X POST -H 'content-type:application/json' --data '<input data>' http://127.0.0.1:8000/relay
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```
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Relayer should return a transaction hash.
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_Note._ If you want to change contracts' addresses go to [config.js](./config.js) file.
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## Input data example
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```json
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{
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"proof": "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",
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"args": [
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"0x1579d41e5290ab5bcec9a7df16705e49b5c0b869095299196c19c5e14462c9e3",
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"0x0cf7f49c5b35c48b9e1d43713e0b46a75977e3d10521e9ac1e4c3cd5e3da1c5d",
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"0x03ebd0748aa4d1457cf479cce56309641e0a98f5",
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"0xbd4369dc854c5d5b79fe25492e3a3cfcb5d02da5",
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"0x000000000000000000000000000000000000000000000000058d15e176280000",
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"0x0000000000000000000000000000000000000000000000000000000000000000"
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],
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"contract": "0xA27E34Ad97F171846bAf21399c370c9CE6129e0D"
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}
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```
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Disclaimer:
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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