[7.x. Stage 3] add ConsistencyInterface

[rez1dent3]

No description provided.

[codecov]

Codecov Report

Merging #377 (2159d00) into master (ee1a8b6) will not change coverage.
The diff coverage is 100.00%.

@@             Coverage Diff             @@
##              master      #377   +/-   ##
===========================================
  Coverage     100.00%   100.00%           
- Complexity       286       289    +3     
===========================================
  Files             35        36    +1     
  Lines            966       964    -2     
===========================================
- Hits             966       964    -2     

Impacted Files	Coverage Δ
src/Commands/RefreshBalance.php	100.00% <100.00%> (ø)
src/Services/CommonService.php	100.00% <100.00%> (ø)
src/Services/ConsistencyService.php	100.00% <100.00%> (ø)
src/Services/WalletService.php	100.00% <100.00%> (ø)
src/Traits/CanConfirm.php	100.00% <100.00%> (ø)
src/Traits/CanExchange.php	100.00% <100.00%> (ø)
src/Traits/CartPay.php	100.00% <100.00%> (ø)
src/Traits/HasGift.php	100.00% <100.00%> (ø)
src/Traits/HasWallet.php	100.00% <100.00%> (ø)
src/WalletServiceProvider.php	100.00% <100.00%> (ø)
... and 2 more

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