Interface Runtime

Runtime is an interface. Any object with following functions can seen as a Runtime.

• Runtime API can only be called at runtime.
• runtime.getBlock(c)
  • c: a Coordinate.
  • return value: a Promise, whose will be resolved a Block.
• runtime.setBlock(b)
  • b: a Block.
  • return value: a Promise, whose will be resolved undefined.
• runtime.setTimeout(func, milliseconds)
  • func: a fusystemtion, which will be called after milliseconds milliseconds. Because of tick exist, the accuracy can hardly exceed a tick.
  • return value: a number.