text: import * as Web3Action from "./actions";
  
  const initialState = {
    web3Instance: null,
  };
  
  export default function(state = initialState, action) {
    switch (action.type) {
      case Web3Action.SET_WEB3_INSTANCE:
        return Object.assign({}, state, {
          web3Instance: action.web3Instance,
        });
  
      default:
        return state;
    }
  }
  