bigger decimal fields (20 digits) (hold more currencies)

[devkral]

8 decimal places to hold smallest btc unit 12 digits to hold cheaper currencies

https://github.com/mirumee/django-payments/issues/9

[codecov-io]

Codecov Report

Merging #153 into master will increase coverage by 0.01%. The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #153      +/-   ##
==========================================
+ Coverage   79.13%   79.15%   +0.01%     
==========================================
  Files          27       27              
  Lines        1649     1650       +1     
  Branches      190      190              
==========================================
+ Hits         1305     1306       +1     
  Misses        245      245              
  Partials       99       99

Impacted Files	Coverage Δ
payments/models.py	75% <100%> (+0.21%)	:arrow_up:

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[devkral]

I am not sure if this pull request is a good idea. Most people just want two decimal_places and 12 digits.

[devkral]

anyway it is very domain specific (if you want to trade bitcoins or not)

[Pacu2]

I think this should be set by a variable as in #188