Try/catched put to RocksDB storage.
Try/catched put to RocksDB storage.

Signed-off-by: Sergey Shilov <064bbdfaeb89a0bebebfe7b388747a73c8941704@dsr-company.com>

spivachuk/sovrin-node,spivachuk/sovrin-node,spivachuk/sovrin-node,spivachuk/sovrin-node