R4R: Distr-PR-2 Truncate Decimal Functionality

[rigelrozanski]

For distribution PR (ref #2236)
Merge to develop (change base required) after Distr-PR-1 (ref #2369) merged

Closes #2378

• Targeted PR against correct branch (see CONTRIBUTING.md)

• Linked to github-issue with discussion and accepted design OR link to spec that describes this work.

• Wrote tests

• Updated relevant documentation (docs/)

• Added entries in PENDING.md with issue #

• rereviewed Files changed in the github PR explorer

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For Admin Use:

• Added appropriate labels to PR (ex. wip, ready-for-review, docs)
• Reviewers Assigned
• Squashed all commits, uses message "Merge pull request #XYZ: [title]" (coding standards)

[ValarDragon]

LGTM!

Maybe add a changelog entry? Other than that seems good to merge

[codecov]

Codecov Report

Merging #2379 into rigel/stake-cons-addr will not change coverage.
The diff coverage is n/a.

@@                  Coverage Diff                   @@
##           rigel/stake-cons-addr    #2379   +/-   ##
======================================================
  Coverage                  63.54%   63.54%           
======================================================
  Files                        120      120           
  Lines                       7236     7236           
======================================================
  Hits                        4598     4598           
  Misses                      2326     2326           
  Partials                     312      312

[alexanderbez]

Changes look good, but left a remark on clarity.