p2p: implement naive p2p sender

[corverroos]

Implement v0 of the p2p sender. It doesn't do log filtering yet. This does however solve the issue of one node being down.

category: feature
ticket: #635

[codecov]

Codecov Report

Merging #666 (9541621) into main (48be2a6) will increase coverage by 0.22%.
The diff coverage is 8.33%.

@@            Coverage Diff             @@
##             main     #666      +/-   ##
==========================================
+ Coverage   54.55%   54.77%   +0.22%     
==========================================
  Files          98       99       +1     
  Lines        9517     9506      -11     
==========================================
+ Hits         5192     5207      +15     
+ Misses       3574     3558      -16     
+ Partials      751      741      -10     

Impacted Files	Coverage Δ
p2p/sender.go	0.00% <0.00%> (ø)
core/parsigex/parsigex.go	46.29% <100.00%> (-18.08%)	⬇️
core/qbft/qbft.go	81.46% <0.00%> (+9.91%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 48be2a6...9541621. Read the comment docs.