Provide a brief description of what this PR does, and why it's needed.
Which JIRA issue does this PR relate to? If there is not a JIRA issue addressing this work, please create one now and add the link here.
Add link to corresponding JIRA issue.
- This PR contains no more than 200 lines of code, excluding test code.
- This PR meets RChain development coding standards.
- You assigned one person to review this PR
- You signed the commit. Merging requires a signature. Please see the developer wiki for instructions.
- Your GitHub account is also an account with Travis CI. Unit tests will not run on your PR unless you have an account with Travis. Merge requires passed unit tests.
Optional. Add any notes on caveats, approaches you tried that didn't work, or anything else.