Allow to cancel the txdb upgrade via splashscreen callback
Allow to cancel the txdb upgrade via splashscreen callback

domob1812/bitcoin,cryptoprojects/ultimateonlinecash,guncoin/guncoin,vertcoin/vertcoin,anditto/bitcoin,nikkitan/bitcoin,h4x3rotab/BTCGPU,Sjors/bitcoin,fujicoin/fujicoin,thrasher-/litecoin,Anfauglith/iop-hd,TheBlueMatt/bitcoin,jtimon/bitcoin,GroestlCoin/GroestlCoin,kallewoof/bitcoin,ericshawlinux/bitcoin,mruddy/bitcoin,mm-s/bitcoin,jambolo/bitcoin,litecoin-project/litecoin,brandonrobertz/namecoin-core,particl/particl-core,JeremyRubin/bitcoin,thrasher-/litecoin,jonasschnelli/bitcoin,Xekyo/bitcoin,sebrandon1/bitcoin,gjhiggins/vcoincore,bespike/litecoin,romanornr/viacoin,Chancoin-core/CHANCOIN,midnightmagic/bitcoin,h4x3rotab/BTCGPU,GroestlCoin/GroestlCoin,Kogser/bitcoin,aspanta/bitcoin,myriadcoin/myriadcoin,peercoin/peercoin,bitbrazilcoin-project/bitbrazilcoin,viacoin/viacoin,brandonrobertz/namecoin-core,Rav3nPL/bitcoin,Xekyo/bitcoin,Chancoin-core/CHANCOIN,monacoinproject/monacoin,gmaxwell/bitcoin,ryanofsky/bitcoin,monacoinproject/monacoin,ahmedbodi/vertcoin,Exgibichi/statusquo,OmniLayer/omnicore,bitcoin/bitcoin,x-kalux/bitcoin_WiG-B,fanquake/bitcoin,ajtowns/bitcoin,ryanofsky/bitcoin,pstratem/bitcoin,dgarage/bc2,rnicoll/dogecoin,h4x3rotab/BTCGPU,trippysalmon/bitcoin,trippysalmon/bitcoin,stamhe/bitcoin,apoelstra/bitcoin,bitbrazilcoin-project/bitbrazilcoin,namecoin/namecoin-core,qtumproject/qtum,vertcoin/vertcoin,shelvenzhou/BTCGPU,Kogser/bitcoin,nbenoit/bitcoin,1185/starwels,1185/starwels,CryptArc/bitcoin,spiritlinxl/BTCGPU,RHavar/bitcoin,jonasschnelli/bitcoin,domob1812/bitcoin,ppcoin/ppcoin,jnewbery/bitcoin,Rav3nPL/bitcoin,Gazer022/bitcoin,jnewbery/bitcoin,Jcing95/iop-hd,mruddy/bitcoin,21E14/bitcoin,apoelstra/bitcoin,donaloconnor/bitcoin,randy-waterhouse/bitcoin,ElementsProject/elements,bitcoinsSG/bitcoin,x-kalux/bitcoin_WiG-B,afk11/bitcoin,gmaxwell/bitcoin,droark/bitcoin,sebrandon1/bitcoin,tecnovert/particl-core,globaltoken/globaltoken,thrasher-/litecoin,jamesob/bitcoin,domob1812/namecore,GlobalBoost/GlobalBoost,MeshCollider/bitcoin,Rav3nPL/bitcoin,jlopp/statoshi,bespike/litecoin,namecoin/namecoin-core,rnicoll/dogecoin,MarcoFalke/bitcoin,lateminer/bitcoin,destenson/bitcoin--bitcoin,thrasher-/litecoin,mruddy/bitcoin,bitcoinsSG/bitcoin,bitcoinknots/bitcoin,cryptoprojects/ultimateonlinecash,fanquake/bitcoin,romanornr/viacoin,digibyte/digibyte,lateminer/bitcoin,BTCGPU/BTCGPU,MazaCoin/maza,brandonrobertz/namecoin-core,pstratem/bitcoin,donaloconnor/bitcoin,midnightmagic/bitcoin,OmniLayer/omnicore,mruddy/bitcoin,OmniLayer/omnicore,lateminer/bitcoin,droark/bitcoin,litecoin-project/litecoin,DigitalPandacoin/pandacoin,fujicoin/fujicoin,litecoin-project/litecoin,yenliangl/bitcoin,afk11/bitcoin,jamesob/bitcoin,rnicoll/bitcoin,ericshawlinux/bitcoin,Kogser/bitcoin,aspanta/bitcoin,ryanofsky/bitcoin,EthanHeilman/bitcoin,Bushstar/UFO-Project,Kogser/bitcoin,nbenoit/bitcoin,ahmedbodi/vertcoin,anditto/bitcoin,prusnak/bitcoin,Theshadow4all/ShadowCoin,h4x3rotab/BTCGPU,Exgibichi/statusquo,mitchellcash/bitcoin,Anfauglith/iop-hd,h4x3rotab/BTCGPU,simonmulser/bitcoin,n1bor/bitcoin,EthanHeilman/bitcoin,mb300sd/bitcoin,sebrandon1/bitcoin,kazcw/bitcoin,Chancoin-core/CHANCOIN,untrustbank/litecoin,digibyte/digibyte,paveljanik/bitcoin,bespike/litecoin,Jcing95/iop-hd,Christewart/bitcoin,vmp32k/litecoin,myriadcoin/myriadcoin,x-kalux/bitcoin_WiG-B,wellenreiter01/Feathercoin,GroestlCoin/bitcoin,StarbuckBG/BTCGPU,Flowdalic/bitcoin,BitzenyCoreDevelopers/bitzeny,domob1812/huntercore,alecalve/bitcoin,donaloconnor/bitcoin,Gazer022/bitcoin,spiritlinxl/BTCGPU,cdecker/bitcoin,tecnovert/particl-core,afk11/bitcoin,jamesob/bitcoin,Theshadow4all/ShadowCoin,ericshawlinux/bitcoin,ajtowns/bitcoin,gjhiggins/vcoincore,cdecker/bitcoin,JeremyRubin/bitcoin,simonmulser/bitcoin,randy-waterhouse/bitcoin,maaku/bitcoin,thrasher-/litecoin,jambolo/bitcoin,jlopp/statoshi,vertcoin/vertcoin,AkioNak/bitcoin,qtumproject/qtum,Friedbaumer/litecoin,kazcw/bitcoin,guncoin/guncoin,UFOCoins/ufo,prusnak/bitcoin,prusnak/bitcoin,peercoin/peercoin,maaku/bitcoin,rnicoll/dogecoin,rnicoll/bitcoin,deeponion/deeponion,myriadteam/myriadcoin,tjps/bitcoin,1185/starwels,Friedbaumer/litecoin,lateminer/bitcoin,EthanHeilman/bitcoin,dgarage/bc3,r8921039/bitcoin,starwels/starwels,kevcooper/bitcoin,lateminer/bitcoin,cryptoprojects/ultimateonlinecash,laudaa/bitcoin,pstratem/bitcoin,Bushstar/UFO-Project,guncoin/guncoin,mitchellcash/bitcoin,shelvenzhou/BTCGPU,bitcoinknots/bitcoin,BTCGPU/BTCGPU,guncoin/guncoin,dgarage/bc3,domob1812/namecore,AkioNak/bitcoin,mm-s/bitcoin,jtimon/bitcoin,prusnak/bitcoin,Anfauglith/iop-hd,donaloconnor/bitcoin,UFOCoins/ufo,r8921039/bitcoin,dgarage/bc2,BitzenyCoreDevelopers/bitzeny,laudaa/bitcoin,Xekyo/bitcoin,domob1812/huntercore,monacoinproject/monacoin,dgarage/bc2,bitcoinsSG/bitcoin,mb300sd/bitcoin,bitbrazilcoin-project/bitbrazilcoin,randy-waterhouse/bitcoin,bitcoinknots/bitcoin,particl/particl-core,21E14/bitcoin,jambolo/bitcoin,practicalswift/bitcoin,ryanofsky/bitcoin,DigitalPandacoin/pandacoin,achow101/bitcoin,ryanofsky/bitcoin,StarbuckBG/BTCGPU,bespike/litecoin,achow101/bitcoin,dgarage/bc3,Friedbaumer/litecoin,simonmulser/bitcoin,sstone/bitcoin,jonasschnelli/bitcoin,kevcooper/bitcoin,Xekyo/bitcoin,FeatherCoin/Feathercoin,sstone/bitcoin,myriadteam/myriadcoin,untrustbank/litecoin,peercoin/peercoin,GlobalBoost/GlobalBoost,nikkitan/bitcoin,vertcoin/vertcoin,EthanHeilman/bitcoin,domob1812/huntercore,kevcooper/bitcoin,vertcoin/vertcoin,dscotese/bitcoin,AkioNak/bitcoin,CryptArc/bitcoin,rawodb/bitcoin,Flowdalic/bitcoin,monacoinproject/monacoin,sarielsaz/sarielsaz,mruddy/bitcoin,JeremyRubin/bitcoin,fujicoin/fujicoin,rawodb/bitcoin,myriadteam/myriadcoin,wangxinxi/litecoin,spiritlinxl/BTCGPU,ericshawlinux/bitcoin,prusnak/bitcoin,ppcoin/ppcoin,cdecker/bitcoin,Rav3nPL/bitcoin,jlopp/statoshi,AkioNak/bitcoin,CryptArc/bitcoin,viacoin/viacoin,yenliangl/bitcoin,donaloconnor/bitcoin,laudaa/bitcoin,globaltoken/globaltoken,romanornr/viacoin,anditto/bitcoin,tjps/bitcoin,shelvenzhou/BTCGPU,mruddy/bitcoin,simonmulser/bitcoin,n1bor/bitcoin,nbenoit/bitcoin,particl/particl-core,instagibbs/bitcoin,namecoin/namecore,jlopp/statoshi,Jcing95/iop-hd,jmcorgan/bitcoin,peercoin/peercoin,jmcorgan/bitcoin,OmniLayer/omnicore,achow101/bitcoin,RHavar/bitcoin,jnewbery/bitcoin,simonmulser/bitcoin,globaltoken/globaltoken,jmcorgan/bitcoin,MarcoFalke/bitcoin,untrustbank/litecoin,jmcorgan/bitcoin,namecoin/namecoin-core,Christewart/bitcoin,Flowdalic/bitcoin,rawodb/bitcoin,rnicoll/bitcoin,ericshawlinux/bitcoin,destenson/bitcoin--bitcoin,r8921039/bitcoin,jonasschnelli/bitcoin,kazcw/bitcoin,GlobalBoost/GlobalBoost,deeponion/deeponion,trippysalmon/bitcoin,joshrabinowitz/bitcoin,Xekyo/bitcoin,GlobalBoost/GlobalBoost,romanornr/viacoin,Theshadow4all/ShadowCoin,domob1812/namecore,TheBlueMatt/bitcoin,mb300sd/bitcoin,OmniLayer/omnicore,particl/particl-core,destenson/bitcoin--bitcoin,namecoin/namecore,joshrabinowitz/bitcoin,achow101/bitcoin,jambolo/bitcoin,joshrabinowitz/bitcoin,AkioNak/bitcoin,andreaskern/bitcoin,randy-waterhouse/bitcoin,maaku/bitcoin,practicalswift/bitcoin,Theshadow4all/ShadowCoin,FeatherCoin/Feathercoin,JeremyRubin/bitcoin,vmp32k/litecoin,tjps/bitcoin,rawodb/bitcoin,tecnovert/particl-core,BitzenyCoreDevelopers/bitzeny,guncoin/guncoin,mitchellcash/bitcoin,1185/starwels,ppcoin/ppcoin,bespike/litecoin,Exgibichi/statusquo,sipsorcery/bitcoin,sipsorcery/bitcoin,dscotese/bitcoin,r8921039/bitcoin,DigitalPandacoin/pandacoin,Rav3nPL/bitcoin,tjps/bitcoin,MeshCollider/bitcoin,GlobalBoost/GlobalBoost,MeshCollider/bitcoin,deeponion/deeponion,sebrandon1/bitcoin,instagibbs/bitcoin,ajtowns/bitcoin,kallewoof/bitcoin,anditto/bitcoin,jtimon/bitcoin,starwels/starwels,Bushstar/UFO-Project,namecoin/namecoin-core,jamesob/bitcoin,BTCGPU/BTCGPU,Bushstar/UFO-Project,maaku/bitcoin,nikkitan/bitcoin,midnightmagic/bitcoin,destenson/bitcoin--bitcoin,21E14/bitcoin,droark/bitcoin,litecoin-project/litecoin,untrustbank/litecoin,starwels/starwels,shelvenzhou/BTCGPU,kevcooper/bitcoin,Bushstar/UFO-Project,sebrandon1/bitcoin,EthanHeilman/bitcoin,starwels/starwels,Kogser/bitcoin,practicalswift/bitcoin,MazaCoin/maza,UFOCoins/ufo,shelvenzhou/BTCGPU,shelvenzhou/BTCGPU,particl/particl-core,instagibbs/bitcoin,alecalve/bitcoin,21E14/bitcoin,FeatherCoin/Feathercoin,Gazer022/bitcoin,wellenreiter01/Feathercoin,peercoin/peercoin,yenliangl/bitcoin,paveljanik/bitcoin,Christewart/bitcoin,1185/starwels,midnightmagic/bitcoin,MeshCollider/bitcoin,namecoin/namecore,pataquets/namecoin-core,litecoin-project/litecoin,AkioNak/bitcoin,vmp32k/litecoin,Chancoin-core/CHANCOIN,vmp32k/litecoin,ElementsProject/elements,dgarage/bc3,jmcorgan/bitcoin,nbenoit/bitcoin,Friedbaumer/litecoin,tjps/bitcoin,lbryio/lbrycrd,starwels/starwels,Exgibichi/statusquo,MazaCoin/maza,dscotese/bitcoin,ElementsProject/elements,namecoin/namecoin-core,mitchellcash/bitcoin,nbenoit/bitcoin,domob1812/huntercore,Kogser/bitcoin,Gazer022/bitcoin,rnicoll/dogecoin,destenson/bitcoin--bitcoin,practicalswift/bitcoin,lbryio/lbrycrd,stamhe/bitcoin,rnicoll/bitcoin,Jcing95/iop-hd,aspanta/bitcoin,MarcoFalke/bitcoin,RHavar/bitcoin,instagibbs/bitcoin,r8921039/bitcoin,dgarage/bc3,21E14/bitcoin,qtumproject/qtum,wellenreiter01/Feathercoin,pataquets/namecoin-core,paveljanik/bitcoin,sarielsaz/sarielsaz,wellenreiter01/Feathercoin,thrasher-/litecoin,brandonrobertz/namecoin-core,dgarage/bc2,bespike/litecoin,laudaa/bitcoin,spiritlinxl/BTCGPU,myriadteam/myriadcoin,Bushstar/UFO-Project,Jcing95/iop-hd,FeatherCoin/Feathercoin,DigitalPandacoin/pandacoin,namecoin/namecoin-core,Chancoin-core/CHANCOIN,Flowdalic/bitcoin,jtimon/bitcoin,jamesob/bitcoin,wangxinxi/litecoin,globaltoken/globaltoken,alecalve/bitcoin,ahmedbodi/vertcoin,mm-s/bitcoin,CryptArc/bitcoin,stamhe/bitcoin,fujicoin/fujicoin,andreaskern/bitcoin,myriadcoin/myriadcoin,Friedbaumer/litecoin,qtumproject/qtum,fanquake/bitcoin,qtumproject/qtum,bitcoinsSG/bitcoin,wangxinxi/litecoin,gjhiggins/vcoincore,jamesob/bitcoin,stamhe/bitcoin,achow101/bitcoin,21E14/bitcoin,ericshawlinux/bitcoin,kazcw/bitcoin,BTCGPU/BTCGPU,kevcooper/bitcoin,prusnak/bitcoin,StarbuckBG/BTCGPU,jnewbery/bitcoin,globaltoken/globaltoken,vertcoin/vertcoin,fanquake/bitcoin,aspanta/bitcoin,midnightmagic/bitcoin,yenliangl/bitcoin,Rav3nPL/bitcoin,gjhiggins/vcoincore,GlobalBoost/GlobalBoost,ElementsProject/elements,tecnovert/particl-core,untrustbank/litecoin,viacoin/viacoin,namecoin/namecore,yenliangl/bitcoin,randy-waterhouse/bitcoin,tecnovert/particl-core,n1bor/bitcoin,GroestlCoin/bitcoin,mb300sd/bitcoin,afk11/bitcoin,domob1812/bitcoin,maaku/bitcoin,Anfauglith/iop-hd,particl/particl-core,andreaskern/bitcoin,MarcoFalke/bitcoin,joshrabinowitz/bitcoin,romanornr/viacoin,bitbrazilcoin-project/bitbrazilcoin,andreaskern/bitcoin,bitcoinsSG/bitcoin,andreaskern/bitcoin,MeshCollider/bitcoin,afk11/bitcoin,jonasschnelli/bitcoin,practicalswift/bitcoin,ahmedbodi/vertcoin,RHavar/bitcoin,dgarage/bc2,fujicoin/fujicoin,jlopp/statoshi,fanquake/bitcoin,practicalswift/bitcoin,mb300sd/bitcoin,brandonrobertz/namecoin-core,sarielsaz/sarielsaz,wellenreiter01/Feathercoin,maaku/bitcoin,ajtowns/bitcoin,1185/starwels,x-kalux/bitcoin_WiG-B,Christewart/bitcoin,Flowdalic/bitcoin,TheBlueMatt/bitcoin,globaltoken/globaltoken,brandonrobertz/namecoin-core,apoelstra/bitcoin,namecoin/namecore,GroestlCoin/bitcoin,pstratem/bitcoin,gmaxwell/bitcoin,Gazer022/bitcoin,MeshCollider/bitcoin,wangxinxi/litecoin,ahmedbodi/vertcoin,Sjors/bitcoin,UFOCoins/ufo,Theshadow4all/ShadowCoin,GlobalBoost/GlobalBoost,n1bor/bitcoin,Chancoin-core/CHANCOIN,deeponion/deeponion,BTCGPU/BTCGPU,instagibbs/bitcoin,achow101/bitcoin,alecalve/bitcoin,stamhe/bitcoin,droark/bitcoin,litecoin-project/litecoin,sipsorcery/bitcoin,spiritlinxl/BTCGPU,Exgibichi/statusquo,jnewbery/bitcoin,cryptoprojects/ultimateonlinecash,DigitalPandacoin/pandacoin,TheBlueMatt/bitcoin,yenliangl/bitcoin,BitzenyCoreDevelopers/bitzeny,myriadteam/myriadcoin,mitchellcash/bitcoin,myriadcoin/myriadcoin,rnicoll/bitcoin,fanquake/bitcoin,jmcorgan/bitcoin,jtimon/bitcoin,simonmulser/bitcoin,r8921039/bitcoin,laudaa/bitcoin,gjhiggins/vcoincore,JeremyRubin/bitcoin,deeponion/deeponion,pstratem/bitcoin,UFOCoins/ufo,bitcoinsSG/bitcoin,Kogser/bitcoin,donaloconnor/bitcoin,JeremyRubin/bitcoin,mitchellcash/bitcoin,rnicoll/bitcoin,MazaCoin/maza,vmp32k/litecoin,gmaxwell/bitcoin,lbryio/lbrycrd,Kogser/bitcoin,domob1812/huntercore,DigitalPandacoin/pandacoin,domob1812/namecore,bitcoin/bitcoin,gmaxwell/bitcoin,rawodb/bitcoin,sipsorcery/bitcoin,Gazer022/bitcoin,mm-s/bitcoin,stamhe/bitcoin,peercoin/peercoin,ahmedbodi/vertcoin,BitzenyCoreDevelopers/bitzeny,domob1812/bitcoin,aspanta/bitcoin,monacoinproject/monacoin,GroestlCoin/bitcoin,rnicoll/dogecoin,cryptoprojects/ultimateonlinecash,qtumproject/qtum,nikkitan/bitcoin,Sjors/bitcoin,jambolo/bitcoin,destenson/bitcoin--bitcoin,sipsorcery/bitcoin,apoelstra/bitcoin,paveljanik/bitcoin,jlopp/statoshi,fujicoin/fujicoin,kallewoof/bitcoin,ElementsProject/elements,StarbuckBG/BTCGPU,droark/bitcoin,FeatherCoin/Feathercoin,nikkitan/bitcoin,Theshadow4all/ShadowCoin,gjhiggins/vcoincore,Jcing95/iop-hd,lbryio/lbrycrd,TheBlueMatt/bitcoin,Sjors/bitcoin,romanornr/viacoin,digibyte/digibyte,wangxinxi/litecoin,starwels/starwels,n1bor/bitcoin,dscotese/bitcoin,afk11/bitcoin,wellenreiter01/Feathercoin,ajtowns/bitcoin,bitcoin/bitcoin,kallewoof/bitcoin,sarielsaz/sarielsaz,jtimon/bitcoin,dgarage/bc2,sarielsaz/sarielsaz,untrustbank/litecoin,Sjors/bitcoin,alecalve/bitcoin,bitcoin/bitcoin,myriadcoin/myriadcoin,dscotese/bitcoin,spiritlinxl/BTCGPU,GroestlCoin/GroestlCoin,kazcw/bitcoin,pataquets/namecoin-core,GroestlCoin/GroestlCoin,h4x3rotab/BTCGPU,monacoinproject/monacoin,kevcooper/bitcoin,cdecker/bitcoin,Kogser/bitcoin,andreaskern/bitcoin,bitcoinknots/bitcoin,sstone/bitcoin,digibyte/digibyte,cryptoprojects/ultimateonlinecash,Anfauglith/iop-hd,x-kalux/bitcoin_WiG-B,digibyte/digibyte,Exgibichi/statusquo,Kogser/bitcoin,pstratem/bitcoin,CryptArc/bitcoin,BTCGPU/BTCGPU,ajtowns/bitcoin,dscotese/bitcoin,MazaCoin/maza,bitcoin/bitcoin,RHavar/bitcoin,cdecker/bitcoin,pataquets/namecoin-core,randy-waterhouse/bitcoin,lateminer/bitcoin,laudaa/bitcoin,anditto/bitcoin,trippysalmon/bitcoin,Flowdalic/bitcoin,nbenoit/bitcoin,kallewoof/bitcoin,MazaCoin/maza,pataquets/namecoin-core,Friedbaumer/litecoin,ryanofsky/bitcoin,GroestlCoin/GroestlCoin,sipsorcery/bitcoin,domob1812/huntercore,joshrabinowitz/bitcoin,apoelstra/bitcoin,anditto/bitcoin,myriadteam/myriadcoin,UFOCoins/ufo,instagibbs/bitcoin,CryptArc/bitcoin,tecnovert/particl-core,cdecker/bitcoin,domob1812/bitcoin,tjps/bitcoin,n1bor/bitcoin,BitzenyCoreDevelopers/bitzeny,rawodb/bitcoin,deeponion/deeponion,mb300sd/bitcoin,StarbuckBG/BTCGPU,mm-s/bitcoin,MarcoFalke/bitcoin,apoelstra/bitcoin,trippysalmon/bitcoin,mm-s/bitcoin,lbryio/lbrycrd,sebrandon1/bitcoin,vmp32k/litecoin,sstone/bitcoin,viacoin/viacoin,MarcoFalke/bitcoin,Anfauglith/iop-hd,TheBlueMatt/bitcoin,StarbuckBG/BTCGPU,lbryio/lbrycrd,nikkitan/bitcoin,guncoin/guncoin,kazcw/bitcoin,jambolo/bitcoin,droark/bitcoin,viacoin/viacoin,midnightmagic/bitcoin,joshrabinowitz/bitcoin,domob1812/namecore,sarielsaz/sarielsaz,digibyte/digibyte,bitcoinknots/bitcoin,OmniLayer/omnicore,bitbrazilcoin-project/bitbrazilcoin,Xekyo/bitcoin,domob1812/namecore,GroestlCoin/bitcoin,Kogser/bitcoin,paveljanik/bitcoin,EthanHeilman/bitcoin,ppcoin/ppcoin,kallewoof/bitcoin,aspanta/bitcoin,dgarage/bc3,wangxinxi/litecoin,bitcoin/bitcoin,sstone/bitcoin,Christewart/bitcoin,myriadcoin/myriadcoin,Christewart/bitcoin,Kogser/bitcoin,bitbrazilcoin-project/bitbrazilcoin,alecalve/bitcoin,namecoin/namecore,x-kalux/bitcoin_WiG-B,domob1812/bitcoin,ElementsProject/elements,gmaxwell/bitcoin,lbryio/lbrycrd,GroestlCoin/bitcoin,sstone/bitcoin,pataquets/namecoin-core,paveljanik/bitcoin,GroestlCoin/GroestlCoin,FeatherCoin/Feathercoin,viacoin/viacoin,trippysalmon/bitcoin,qtumproject/qtum,RHavar/bitcoin