Switch to libsecp256k1-based validation for ECDSA

src/Makefile.am

@@ -124,9 +124,7 @@ BITCOIN_CORE_H = \
   consensus/validation.h \
   core_io.h \
   core_memusage.h \
-  eccryptoverify.h \
   deprecation.h \
-  ecwrapper.h \
   hash.h \
   httprpc.h \
   httpserver.h \
@@ -326,8 +324,6 @@ libbitcoin_common_a_SOURCES = \
   compressor.cpp \
   core_read.cpp \
   core_write.cpp \
-  eccryptoverify.cpp \
-  ecwrapper.cpp \
   hash.cpp \
   key.cpp \
   keystore.cpp \
@@ -505,8 +501,6 @@ libzcashconsensus_la_SOURCES = \
   crypto/sha1.cpp \
   crypto/sha256.cpp \
   crypto/sha512.cpp \
-  eccryptoverify.cpp \
-  ecwrapper.cpp \
   hash.cpp \
   primitives/transaction.cpp \
   pubkey.cpp \
@@ -521,8 +515,8 @@ if GLIBC_BACK_COMPAT
 endif
 
 libzcashconsensus_la_LDFLAGS = -no-undefined $(RELDFLAGS)
-libzcashconsensus_la_LIBADD = $(CRYPTO_LIBS)
-libzcashconsensus_la_CPPFLAGS = $(CRYPTO_CFLAGS) -I$(builddir)/obj -DBUILD_BITCOIN_INTERNAL
+libzcashconsensus_la_LIBADD = $(LIBSECP256K1)
+libzcashconsensus_la_CPPFLAGS = -I$(builddir)/obj -I$(srcdir)/secp256k1/include -DBUILD_BITCOIN_INTERNAL
 
 endif
 #