More data transfer logging

[aarshkshah1992]

No description provided.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 80.00000% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 67.48%. Comparing base (0a742cf) to head (9a63bd3).
⚠️ Report is 123 commits behind head on master.

Files with missing lines	Patch %	Lines
impl/events.go	66.66%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #226      +/-   ##
==========================================
+ Coverage   67.45%   67.48%   +0.02%     
==========================================
  Files          24       24              
  Lines        3027     3032       +5     
==========================================
+ Hits         2042     2046       +4     
- Misses        634      635       +1     
  Partials      351      351              

Files with missing lines	Coverage Δ
channels/channels.go	72.72% <100.00%> (+0.26%)	⬆️
impl/events.go	74.58% <66.66%> (-0.08%)	⬇️

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[aarshkshah1992]

@hannahhoward to review later.

[hannahhoward]

LGTM