Tests: refactor compact size serialization in mininode
Tests: refactor compact size serialization in mininode

ionomy/ion,ivansib/sibcoin,nmarley/dash,dashpay/dash,ivansib/sibcoin,dashpay/dash,nmarley/dash,nmarley/dash,thelazier/dash,ivansib/sibcoin,crowning-/dash,nmarley/dash,ionomy/ion,biblepay/biblepay,UdjinM6/dash,biblepay/biblepay,dashpay/dash,biblepay/biblepay,biblepay/biblepay,biblepay/biblepay,crowning-/dash,ivansib/sibcoin,crowning-/dash,nmarley/dash,UdjinM6/dash,dashpay/dash,ivansib/sibcoin,dashpay/dash,thelazier/dash,thelazier/dash,nmarley/dash,biblepay/biblepay,thelazier/dash,UdjinM6/dash,UdjinM6/dash,ionomy/ion,ionomy/ion,biblepay/biblepay,nmarley/dash,ivansib/sibcoin,crowning-/dash,biblepay/biblepay,UdjinM6/dash,ionomy/ion,crowning-/dash,ionomy/ion,crowning-/dash,thelazier/dash