Totem Core Explorer Backend

Totem Core Explorer backend service responsible for working with smart contracts deployed on the Polygon network and storing data from contracts for faster and more flexible access.

Development

1. Install dependencies:

   npm install

2. Create MongoDB and Redis in Docker, or use local variants.
3. Create .env file from example .env.sample and fill in environment variables:

    GRPC_URL=0.0.0.0:50051
    REDIS_URL=redis://127.0.0.1:6379/0
    MONGODB_URI=mongodb://user:pass@127.0.0.1:27017
    MONGODB_DATABASE=explorer-storage
    PAYMENT_API_URL=https://payment-api.com
    PROVIDER_URL=https://polygon-mumbai.chainstacklabs.com
    PROVIDER_PRIVATE_KEY=
    AVATAR_LEGACY_CONTRACT=
    ITEM_LEGACY_CONTRACT=
    GEM_LEGACY_CONTRACT=
    GAME_LEGACY_CONTRACT=
    GAMES_DIRECTORY_CONTRACT=

   PROVIDER_PRIVATE_KEY must be the account that deployed the smart contracts.
   *_CONTRACT variables are the addresses of deployed smart contracts.
   Smart contracts can be found in the Totem Smart Contracts repository. PAYMENT_API_URL is URL to Payment Service
4. Run service in development mode:

   npm run start:dev

   Debug mode:

   npm run start:debug

   If Node.js default debug port 9229 is busy -- you can change it like this:

   npm run start:debug -- --debug 0.0.0.0:9228

Build without Docker

1. Build service with version (git required):

   npm run build

   Build service without version (without git):

   npm run build:app

2. Run service:

   node dist/main

Build with Docker

1. Build docker image:

   docker build -f deployment/docker/Dockerfile -t totem-core-explorer-backend:latest .