Integration of property based testing into Bitcoin Core

update copyright headers

attempt to fix linting errors

Fixing issue with make check classifying generator files as actual unit tests

Wrapping gen files in ENABLE_PROPERTY_TESTS macro

Make macro better

depends/Makefile

@@ -5,6 +5,7 @@ WORK_PATH = $(BASEDIR)/work
 BASE_CACHE ?= $(BASEDIR)/built
 SDK_PATH ?= $(BASEDIR)/SDKs
 NO_QT ?=
+RAPIDCHECK ?=
 NO_WALLET ?=
 NO_UPNP ?=
 FALLBACK_DOWNLOAD_PATH ?= https://bitcoincore.org/depends-sources
@@ -93,6 +94,8 @@ qt_packages_$(NO_QT) = $(qt_packages) $(qt_$(host_os)_packages) $(qt_$(host_arch
 wallet_packages_$(NO_WALLET) = $(wallet_packages)
 upnp_packages_$(NO_UPNP) = $(upnp_packages)
 
+rapidcheck_packages_$(RAPIDCHECK) = $(rapidcheck_packages)
+
 packages += $($(host_arch)_$(host_os)_packages) $($(host_os)_packages) $(qt_packages_) $(wallet_packages_) $(upnp_packages_)
 native_packages += $($(host_arch)_$(host_os)_native_packages) $($(host_os)_native_packages)
 
@@ -100,6 +103,10 @@ ifneq ($(qt_packages_),)
 native_packages += $(qt_native_packages)
 endif
 
+ifeq ($(rapidcheck_packages_),)
+packages += $(rapidcheck_packages)
+endif
+
 all_packages = $(packages) $(native_packages)
 
 meta_depends = Makefile funcs.mk builders/default.mk hosts/default.mk hosts/$(host_os).mk builders/$(build_os).mk