mirror of
https://github.com/tornadocash/tornado-relayer
synced 2024-02-02 15:04:06 +01:00
60 lines
3.4 KiB
Markdown
60 lines
3.4 KiB
Markdown
# Relayer for Tornado Cash [](https://github.com/tornadocash/relayer/actions) [](https://hub.docker.com/repository/docker/tornadocash/relayer)
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## Deploy with docker-compose
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docker-compose.yml contains a stack that will automatically provision SSL certificates for your domain name and will add a https redirect to port 80.
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1. Download [docker-compose.yml](/docker-compose.yml) and [.env.example](/.env.example)
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```
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wget https://raw.githubusercontent.com/tornadocash/tornado-relayer/light/docker-compose.yml
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wget https://raw.githubusercontent.com/tornadocash/tornado-relayer/light/.env.example -O .env
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```
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2. Setup environment variables
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- set `NET_ID` (1 for mainnet, 5 for Goerli)
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- set `HTTP_RPC_URL` rpc url for your ethereum node
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- set `PRIVATE_KEY` for your relayer address (without 0x prefix)
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- set `VIRTUAL_HOST` and `LETSENCRYPT_HOST` to your domain and add DNS record pointing to your relayer ip address
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- set `REGULAR_TORNADO_WITHDRAW_FEE` - fee in % that is used for tornado pool withdrawals
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- set `REWARD_ACCOUNT` - eth address that is used to collect fees
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- update `CONFIRMATIONS` if needed - how many block confirmations to wait before processing an event. Not recommended to set less than 3
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- update `MAX_GAS_PRICE` if needed - maximum value of gwei value for relayer's transaction
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If you want to use more than 1 eth address for relaying transactions, please add as many `workers` as you want. For example, you can comment out `worker2` in docker-compose.yml file, but please use a different `PRIVATE_KEY` for each worker.
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3. Run `docker-compose up -d`
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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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In that case you will need to add https termination yourself because browsers with default settings will prevent https
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tornado.cash UI from submitting your request over http connection
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## Architecture
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1. TreeWatcher module keeps track of Account Tree changes and automatically caches the actual state in Redis and emits `treeUpdate` event to redis pub/sub channel
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2. Server module is Express.js instance that accepts http requests
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3. Controller contains handlers for the Server endpoints. It validates input data and adds a Job to Queue.
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4. Queue module is used by Controller to put and get Job from queue (bull wrapper)
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5. Status module contains handler to get a Job status. It's used by UI for pull updates
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6. Validate contains validation logic for all endpoints
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7. Worker is the main module that gets a Job from queue and processes it
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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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