Relayer for Tornado cash.
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Relayer for Tornado Cash Build Status Docker Cloud Build Status

Run locally

  1. npm i
  2. cp .env.example .env
  3. Modify .env as needed
  4. npm run start
  5. Go to http://127.0.0.1:8000
  6. In order to execute withdraw request, you can run following command
curl -X POST -H 'content-type:application/json' --data '<input data>' http://127.0.0.1:8000/relay

Relayer should return a transaction hash.

Note. If you want to change contracts' addresses go to config.js file.

Deploy with docker-compose

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.

  1. Download docker-compose.yml
  2. Change environment variables for kovan containers as appropriate
    • add PRIVATE_KEY for your relayer address (without 0x prefix)
    • set VIRTUAL_HOST and LETSENCRYPT_HOST to your domain and add DNS record pointing to your relayer ip address
    • customize RELAYER_FEE
    • update RPC_URL if needed
    • update REDIS_URL if needed
  3. Run docker-compose up -d

Run as a Docker container

  1. cp .env.example .env
  2. Modify .env as needed
  3. docker run -d --env-file .env -p 80:8000 tornadocash/relayer

In that case you will need to add https termination yourself because browsers with default settings will prevent https tornado.cash UI from submitting your request over http connection

Input data example

{
  "proof": "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",
  "args": [
    "0x1579d41e5290ab5bcec9a7df16705e49b5c0b869095299196c19c5e14462c9e3",
    "0x0cf7f49c5b35c48b9e1d43713e0b46a75977e3d10521e9ac1e4c3cd5e3da1c5d",
    "0x03ebd0748aa4d1457cf479cce56309641e0a98f5",
    "0xbd4369dc854c5d5b79fe25492e3a3cfcb5d02da5",
    "0x000000000000000000000000000000000000000000000000058d15e176280000",
    "0x0000000000000000000000000000000000000000000000000000000000000000"
  ],
  "contract": "0xA27E34Ad97F171846bAf21399c370c9CE6129e0D"
}

Disclaimer:

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.