Method BlockWaiter

protocol/protocol.go:230–242

BlockWaiter returns a channel that waits for the block at the given height.

(height uint64)

// BlockWaiter returns a channel that
// waits for the block at the given height.
func (c *Chain) BlockWaiter(height uint64) <-chan struct{} {
	ch := make(chan struct{}, 1)
	go func() {
		c.state.cond.L.Lock()
		defer c.state.cond.L.Unlock()
		for c.state.height < height {
			c.state.cond.Wait()
		}
		ch <- struct{}{}
	}()

	return ch
}