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From jjmeyer0 <>
Subject [GitHub] metron pull request #641: METRON-539: added HASH function for stellar.
Date Mon, 10 Jul 2017 14:44:15 GMT
GitHub user jjmeyer0 opened a pull request:

    METRON-539: added HASH function for stellar.

    ## Contributor Comments
    Added a hash function to stellar. Many unit tests were created. Along with these tests
I opened the Stellar terminal and did the following:
    ### Start Stellar
    mvn exec:java -Dexec.mainClass="" -pl
    ### Test `HASH` Function
    Below is the output of some of the tests I ran. To get all available inputs for the second
argument you can call `Security.getAlgorithms("MessageDigest")` and print out the array. However,
'SHA-1', 'MD5', and 'SHA-256' are required by all Java platforms. Please see [MessageDigest](
and [Security]( 
    [Stellar]>>> Functions loaded, you may refer to functions now...
    [Stellar]>>> some_string := 'my string to hash'
    [Stellar]>>> HASH(some_string, 'md5')
    [Stellar]>>> some_serializable_object := [ 1, 2, 3 ]
    [Stellar]>>> HASH(some_serializable_object, 'MD5')
    ## Pull Request Checklist
    Thank you for submitting a contribution to Apache Metron.  
    Please refer to our [Development Guidelines](
for the complete guide to follow for contributions.  
    Please refer also to our [Build Verification Guidelines](
for complete smoke testing guides.  
    In order to streamline the review of the contribution we ask you follow these guidelines
and ask you to double check the following:
    ### For all changes:
    - [x] Is there a JIRA ticket associated with this PR? If not one needs to be created at
[Metron Jira](

    - [x] Does your PR title start with METRON-XXXX where XXXX is the JIRA number you are
trying to resolve? Pay particular attention to the hyphen "-" character.
    - [x] Has your PR been rebased against the latest commit within the target branch (typically
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root metron folder via:
      mvn -q clean integration-test install && build_utils/ 
    - [x] Have you written or updated unit tests and or integration tests to verify your changes?
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that is compatible for inclusion under [ASF 2.0](

    - [ ] Have you verified the basic functionality of the build by building and running locally
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    ### For documentation related changes:
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    #### Note:
    Please ensure that once the PR is submitted, you check travis-ci for build issues and
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    It is also recommended that [travis-ci]( is set up for your personal
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You can merge this pull request into a Git repository by running:

    $ git pull METRON-539

Alternatively you can review and apply these changes as the patch at:

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #641
commit 8de6390825e3a17de226ace4764eb6a9d4cec609
Author: JJ <>
Date:   2017-07-10T12:34:02Z

    METRON-539: added HASH function for stellar.


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