Profile Form Tutorial

ProfileFormActions.js

import AuthenticationContract from '../../../../build/contracts/Authentication.json'
import SimpleStorageContract from '../../../../build/contracts/SimpleStorage.json'
import store from '../../../store'

const contract = require('truffle-contract')

export const USER_UPDATED = 'USER_UPDATED'
function userUpdated(user) {
  return {
    type: USER_UPDATED,
    payload: user
  }
}

export function updateUser(name) {
  let web3 = store.getState().web3.web3Instance

  // Double-check web3's status.
  if (typeof web3 !== 'undefined') {

    return function(dispatch) {
      // Using truffle-contract we create the authentication object.
      const authentication = contract(AuthenticationContract)
      authentication.setProvider(web3.currentProvider)


      
      // Declaring this for later so we can chain functions on Authentication.
      var authenticationInstance

      // Get current ethereum wallet.
      web3.eth.getCoinbase((error, coinbase) => {
        // Log errors, if any.
        if (error) {
          console.error(error);
        }

        

        authentication.deployed().then(function(instance) {
          authenticationInstance = instance

          // Attempt to login user.
          authenticationInstance.update(name, {from: coinbase})
          .then(function(result) {
            // If no error, update user.

            dispatch(userUpdated({"name": name}))

            return alert('Name updated!')
          })
          .catch(function(result) {
            // If error...
          })
          .then(function (renamed) {
            // new start
            const ss = contract(SimpleStorageContract)
            ss.setProvider(web3.currentProvider)
            var ssInstance;
            // new end

            return ss.deployed()
              .then(function (instance) {
                ssInstance = instance;

                ssInstance.set(name.length,{from: coinbase})
                  .then( (res) => {
                    ssInstance.get()
                      .then((value) => {
                        console.log('value:',value);
                        console.log('value.toString():',value.toString());
                        return value;
                      })
                  })
                  .catch(function (err) {
                    console.log('err:',err);
                  })
              })
          })
        })

      })
    }
  } else {
    console.error('Web3 is not initialized.');
  }
}