Function getBlock

core/fetch/fetch.go:191–201

getBlock sends a get-block RPC request to another Core for the next block.

(ctx context.Context, peer *rpc.Client, height uint64, timeout time.Duration)

// getBlock sends a get-block RPC request to another Core
// for the next block.
func getBlock(ctx context.Context, peer *rpc.Client, height uint64, timeout time.Duration) (*legacy.Block, error) {
	ctx, cancel := context.WithTimeout(ctx, timeout)
	defer cancel()

	var block *legacy.Block
	err := peer.Call(ctx, "/rpc/get-block", height, &block)
	if ctx.Err() == context.DeadlineExceeded {
		return nil, nil
	}
	return block, errors.Wrap(err, "get blocks rpc")
}

// getHeight sends a get-height RPC request to another Core for
// the latest height that that peer knows about.