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README.md

Court Backend server

This server aims to provide different kind of services to complement the logic implemented at the smart contracts level.

Setup

To work locally, simply go to the root directory, and make sure you have set up a propoer .env file following the .env.sample file. Once you have done that, spin up a docker container with:

docker-compose build
docker-compose up -d

Endpoints

All the provided endpoints are Content-Type: application/json

1. Users

1.1. Check existing subscription details

Request:

  • Method: GET
  • Path: /users/<address>
  • Body: None

Successful response:

  • Code: 200 OK
  • Body:
{
  "emailExists": true || false,
  "emailVerified": true || false,
  "addressVerified": true || false,
  "notificationsDisabled": true || false
}
1.2. Create session

This request will authenticate the session with address signature and respond with the appropriate session Set-Cookie header. In addition, it will set "addressVerified": true using the provided signature.

All following requests should have the returned Cookie HTTP header in order to be authenticated.

Request:

  • Method: POST
  • Path: /users/<address>/sessions
  • Body:
{
  "signature": "0xa8afa92...8b1e52a",
  "timestamp": 123456
}

Successful response:

  • Code: 200 OK
  • Body:
{
  "authenticated": true
}

Error responses: invalid signature / timestamp

  • Code: 400 Bad Request
  • Body:
{
  "errors": [
    { "signature": "Given signature is invalid" }
    ...
    { "timestamp": "Given timestamp is invalid" }
  ]
}
1.3. Delete session

Request:

  • Method: DELETE
  • Path: /users/<address>/sessions:current
  • Body: None

Successful response:

  • Code: 200 OK
  • Body:
{
  "deleted": true
}
1.4. Delete sessions on all user devices

Request:

  • Method: DELETE
  • Path: /users/<address>/sessions
  • Body: None

Successful response:

  • Code: 200 OK
  • Body:
{
  "deleted": true
}
1.5. Get current email

Request:

  • Method: GET
  • Path: /users/<address>/email
  • Body: None

Successful response:

  • Code: 200 OK
  • Body:
{
  "email": "[email protected]" || null
}
1.6. Subscribe juror / Change juror email

Note: this will also automatically send verification email

Request:

  • Method: PUT
  • Path: /users/<address>/email
  • Body:
{
  "email": "[email protected]"
}

Successful response:

  • Code: 200 OK
  • Body:
{
  "email": "[email protected]",
  "sent": true
}

Error response: email already set / bad format

  • Code: 400 Bad Request
  • Body:
{
  "errors": [
    { "email": "Given email is already set" }
    ...
    { "email": "Given email address is not valid" }
  ]
}

Error response: Could not send email

  • Code: 500 Internal Server Error
  • Body:
{
  "errors": [
    { "email": "Could not send email." }
  ]
}
1.7. Verify juror email

Note: this endpoint is unauthenticated

Request:

  • Method: POST
  • Path: /users/<address>/email:verify
  • Body:
{
  "token": "V5Z6drJdytlNa98asfnOs13Gf90K9vZFVdSQ"
}

Successful response:

  • Code: 200 OK
  • Body:
{
  "verified": true
}

Error response: user email / token errors

  • Code: 400 Bad Request
  • Body:
{
  "errors": [
    { "email": "No associated email found" }
    ...
    { "email": "Email is already verified" }
    ...
    { "token": "A token must be given" }
    ...
    { "token": "Given token is invalid" }
    ...
    { "token": "Given token has expired" }
  ]
}
1.8. Re-send verification email

Request:

  • Method: POST
  • Path: /users/<address>/email:resend
  • Body: None

Successful response:

  • Code: 200 OK
  • Body:
{
  "sent": true
}

Error response: email errors

  • Code: 400 Bad Request
  • Body:
{
  "errors": [
    { "email": "No associated email found" }
    ...
    { "email": "Email is already verified" }
  ]
}

Error response: Could not send email

  • Code: 500 Internal Server Error
  • Body:
{
  "errors": [
    { "email": "Could not send email." }
  ]
}
1.9. Delete email / Cancel sign up process

Request:

  • Method: DELETE
  • Path: /users/<address>/email
  • Body: None

Successful response:

  • Code: 200 OK
  • Body:
{
  "deleted": true
}
1.10. Switch notifications off/back on

Request:

  • Method: PUT
  • Path: /users/<address>/notifications
  • Body:
{
  "disabled": true || false
}

Successful response:

  • Code: 200 OK
  • Body:
{
  "disabled": true || false
}

Error response: missing option

  • Code: 400 Bad Request
  • Body:
{
  "errors": [
    { "disabled": "request must contain a boolean \"disabled\" property" }
  ]
}
1.11. Create unverified user
  • Method: POST
  • Path: /users
  • Body:
{
  "email": "[email protected]",
  "address": "0x6e26ADFa527BcC8B6aEf88716486cBdb4f7914e1"
}

Successful response:

  • Code: 200 OK
  • Body:
{
  "created": true
}

Error response: address / email errors

  • Code: 400 Bad Request
  • Body:
{
  "errors": [
    { "address": "An address must be given" }
    ...
    { "address": "Given address is not valid" }
    ...
    { "email": "An email address must be given" }
    ...
    { "email": "An email address must be given" }
    ...
    { "email": "Given email address is not valid" }
  ]
}
1.A1. Session error responses

Error response: missing user

  • Code: 404 Not Found
  • Body:
{
  "errors": [
    { "address": "User <address> not found." }
  ]
}

Error response: no session found

  • Code: 401 Unauthorized
  • Body:
{
  "errors": [
    { "access": "Unauthorized, please authenticate at /users/<address>/sessions" }
  ]
}

Error response: session found for another user

  • Code: 403 Forbidden
  • Body:
{
  "errors": [
    { "access": "You don't have permission to edit user <address>" }
  ]
}

2. Reveals

2.1. Create
  • URL: /reveals
  • Method: POST
  • Body:
    • juror: Ethereum address of the juror requesting for the reveal
    • voteId: Vote ID to be revealed for the given juror
    • outcome: Outcome voted in favor of
    • salt: Salt used for the committed vote to be revealed
  • Response:
    • Code: 200
    • Content example: 
        {
    "reveal": {
      "id": 1,
      "juror": "0x4ecc4fe717d70abee26e7e524b2e6caf29b6217d",
      "voteId": "0", 
      "disputeId": "0", 
      "roundNumber": "0",
      "createdAt": "2019-12-25T14:58:58.705Z",
      "updatedAt":"2019-12-25T14:58:58.705Z"
    }
  }
2.2. Show
  • URL: /reveals/:juror/:voteId
  • Method: GET
  • Response:
    • Code: 200
    • Content example: 
        {
    "reveal": {
      "id": 1,
      "juror": "0x4ecc4fe717d70abee26e7e524b2e6caf29b6217d",
      "voteId": "0", 
      "disputeId": "0", 
      "roundNumber": "0",
      "createdAt": "2019-12-25T14:58:58.705Z",
      "updatedAt":"2019-12-25T14:58:58.705Z"
    }
  }
2.3. All
  • URL: /reveals
  • Method: GET
  • Header:
    • Cookie: aragonCourtSessionID=<SID>
  • Query:
    • limit: Number of items to be fetched
    • page: Page number to be used for the items to be fetched based on the limit requested
  • Response:
    • Code: 200
    • Content example: 
        {
    "reveals":[
      {
        "id": 9,
        "juror": "0x4ecc4fe717d70abee26e7e524b2e6caf29b6217d",
        "voteId": "0", 
        "disputeId": "0", 
        "roundNumber": "0",
        "outcome": "4",
        "salt": "0x609a2445eb34bc29b4d87aea2cae24fba90a1583b14df2d765ae1f89d32b4beb",
        "revealed": false,
        "createdAt": "2019-12-25T14:58:58.705Z",
        "updatedAt":"2019-12-25T14:58:58.705Z"
      }
    ],
    "total": 1
  }

3. Admins

3.1. Login
  • URL: /login
  • Method: POST
  • Body:
    • email: Admin email
    • password: Admin password
  • Response:
    • Code: 200
    • Header:
      • Set-Cookie: aragonCourtSessionID=<SID>; Path; Expires; HttpOnly
    • Content example: 
        {
    "token": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJhZG1pbiI6ImZhY3VAYXJhZ29uLm9uZSIsImlhdCI6MTU3ODA4MTI5NCwiZXhwIjoxNTc4MDg0ODk0fQ.lmcJOE0eblD_maqXqyK0_H2swXnvG9lfEm1aJRGiAVw"
  }
3.2. Me
  • URL: /me
  • Method: GET
  • Header:
    • Cookie: aragonCourtSessionID=<SID>
  • Response:
3.3. All
  • URL: /admins
  • Method: GET
  • Header:
    • Cookie: aragonCourtSessionID=<SID>
  • Query:
    • limit: Number of items to be fetched
    • page: Page number to be used for the items to be fetched based on the limit requested
  • Response:
    • Code: 200
    • Content example: 
        {
    "reveals":[
      {
        "id": 9,
        "juror": "0x4ecc4fe717d70abee26e7e524b2e6caf29b6217d",
        "voteId": "0", 
        "disputeId": "0", 
        "roundNumber": "0",
        "outcome": "4",
        "salt": "0x609a2445eb34bc29b4d87aea2cae24fba90a1583b14df2d765ae1f89d32b4beb",
        "revealed": false,
        "createdAt": "2019-12-25T14:58:58.705Z",
        "updatedAt":"2019-12-25T14:58:58.705Z"
      }
    ],
    "total": 1
  }
3.4. Create
  • URL: /admins
  • Method: POST
  • Header:
    • Cookie: aragonCourtSessionID=<SID>
  • Body:
    • email: Admin email
    • password: Admin password
  • Response:
3.5. Delete
  • URL: /admins/:id
  • Method: DELETE
  • Header:
    • Cookie: aragonCourtSessionID=<SID>
  • Response:
    • Code: 200
    • Content example: empty

Keys

This repo needs the private key to be defined as a envrionment variable PRIVATE_KEY.

Also email verification requires JWT private key EMAIL_JWT_PRIVATE_KEY. This can be generated with node -e "console.log(require('crypto').randomBytes(256).toString('base64'));"