Add partial-block block encodings API

src/Makefile.am

@@ -82,6 +82,7 @@ BITCOIN_CORE_H = \
   bloom.h \
   cashaddr.h \
   cashaddrenc.h \
+  blockencodings.h \
   chain.h \
   chainparams.h \
   chainparamsbase.h \
@@ -189,6 +190,7 @@ libbitcoin_server_a_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
 libbitcoin_server_a_SOURCES = \
   addrman.cpp \
   bloom.cpp \
+  blockencodings.cpp \
   chain.cpp \
   checkpoints.cpp \
   httprpc.cpp \