Introduce Sv2Transport

Implemented starting from a copy of V2Transport and the V2TransportTester, modifying it to fit Stratum v2 and Noise Protocol requirements.

Co-Authored-By: Christopher Coverdale <[email protected]>
Co-Authored-By: Fi3

Author: Sjors

src/Makefile.am

@@ -140,6 +140,7 @@ BITCOIN_CORE_H = \
   common/run_command.h \
   common/sv2_messages.h \
   common/sv2_noise.h \
+  common/sv2_transport.h \
   common/types.h \
   common/url.h \
   compat/assumptions.h \
@@ -691,6 +692,7 @@ libbitcoin_common_a_SOURCES = \
   common/sv2_noise.cpp \
   common/settings.cpp \
   common/signmessage.cpp \
+  common/sv2_transport.cpp \
   common/system.cpp \
   common/url.cpp \
   compressor.cpp \

src/Makefile.test.include

@@ -155,6 +155,7 @@ BITCOIN_TESTS =\
   test/span_tests.cpp \
   test/streams_tests.cpp \
   test/sv2_noise_tests.cpp \
+  test/sv2_transport_tests.cpp \
   test/sync_tests.cpp \
   test/system_tests.cpp \
   test/timeoffsets_tests.cpp \