ChecksumLength instead of magic number, small refactoring
ChecksumLength instead of magic number, small refactoring

alexeykiselev/WavesScorex,istinspring/Scorex-Lagonaki,pozharko/Scorex-Lagonaki,wavesplatform/Waves,benjyz/Scorex-Lagonaki,ScorexProject/Scorex-Lagonaki,ScorexProject/Scorex,pozharko/Scorex-Lagonaki,wavesplatform/Waves,B83YPoj/Waves,ConsensusResearch/Scorex-Lagonaki,ScorexProject/Scorex-Lagonaki,input-output-hk/Scorex,B83YPoj/Waves,beni55/Scorex-Lagonaki,beni55/Scorex-Lagonaki,alexeykiselev/WavesScorex,istinspring/Scorex-Lagonaki,B83YPoj/Waves,ScorexProject/Scorex,ScorexProject/Scorex-Lagonaki,input-output-hk/Scorex,benjyz/Scorex-Lagonaki,ScorexProject/Scorex,input-output-hk/Scorex,alexeykiselev/WavesScorex,wavesplatform/Waves,ConsensusResearch/Scorex-Lagonaki,ConsensusResearch/Scorex-Lagonaki