Reading from Ethereum blockain with React/Redux
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README.md

Ethereact

Reading blocks and transactions from the Ethereum blockchain with React/Redux.

Development

Install the dependencies: npm install

Tasks

See all available tasks in package.json at scripts:

  1. Run the watcher and the linter: npm run dev

  2. Run the development server: npm start

  3. If geth is installed, you can use this helper task to start your local RPC service: npm run geth

Material UI

See http://www.material-ui.com/#/customization/themes for other components example.

Web3

This trick helped a lot

Turning old school Web3 callback style function, into Promise for usage with redux-saga:

const createCallback = (resolve, reject) => (error, result) => {
  if (!error) {
    resolve(result);
  }
  reject(error);
};

function callWeb3MethodAsPromise(method, args = []) {
  return new Promise((resolve, reject) => {
    if (!Web3.hasOwnProperty(method)) {
      reject(new Error(`Method '${method} does'nt exists in Web3 API.`));
    }

    return Web3[method](...args, createCallback(resolve, reject));
  });
}