On Chain Chess

This application can be used to play chess over the Ethereum block-chain. It is build in the scope of a project of the ise TU Berlin.

Information

This is loosely based on ethereum-webpack-example-dapp.

How to run

1. Run a local Ethereum node with JSON-RPC listening at port 8545 (default). testrpc would be the most straight-forward method.

   # Using testrpc (recommended)
   testrpc
   
   # -----------OR-----------
   
   # If you are running Geth, 
   # make sure to run in testnet or private net and enable rpc
   geth --testnet --rpc

2. Install dependencies

   npm install

3. Run, during development

   npm start

   This starts the build process and also a local dev server. Open the given URL in your favorite web browser.

   Webpack is now started in watch mode, any changes done at JavaScript or Solidity files will automatically rebuild the affected modules.

4. Run SHH proxy, for P2P functions to work

5. Build, for deployment

   npm run build

   Only index.html and bundle.js are required to be hosted and served.

6. Run tests

   npm run test

7. You can run only one test file if you like: npm test -- test/test_elo.js

FAQ

• Deployment fails with out-of-gas
  When using testrpc, try raising the gas limit. Install any version newer than this: npm install -g git://github.com/ethereumjs/testrpc.git#b3ec03eb8e2615453adcea7a93188ceb578a4094 and then run with testrpc -l 4000000, for example.