The front-end reacts to new states from the contract

[Peterschuellermann]

Task

Detailed Description

• if the front end detects a new state event from the block chain it reacts either by:
  • the front end updates its state if the received state is newer than the front ends state
  • if the received state is equal to the own state, no action is needed
  • if a received move from the blockchain has the same move number as the move received from the other player, the move from the other player has preference

    Associated story

Story: #167

Notes

This task blocks #187