refactor: bls: fold the BLS library into src/bls on top of blst

AGENTS.md

@@ -79,7 +79,7 @@ not checks at all: return an error, `AbortNode()`, or `InitError()`.
 
 Vendored or subtree-style code should normally be left alone:
 
-- `src/{crc32c,dashbls,gsl,immer,leveldb,minisketch,secp256k1,univalue}`
+- `src/{crc32c,gsl,immer,leveldb,mimalloc,minisketch,secp256k1,univalue}`
 - `src/crypto/{ctaes,x11}`
 
 `test/util/data/non-backported.txt` lists Dash-specific files used by Dash

CLAUDE.md

@@ -79,7 +79,7 @@ not checks at all: return an error, `AbortNode()`, or `InitError()`.
 
 Vendored or subtree-style code should normally be left alone:
 
-- `src/{crc32c,dashbls,gsl,immer,leveldb,minisketch,secp256k1,univalue}`
+- `src/{crc32c,gsl,immer,leveldb,mimalloc,minisketch,secp256k1,univalue}`
 - `src/crypto/{ctaes,x11}`
 
 `test/util/data/non-backported.txt` lists Dash-specific files used by Dash

Makefile.am

@@ -170,7 +170,7 @@ LCOV_FILTER_PATTERN = \
 	-p "/usr/include/" \
 	-p "/usr/lib/" \
 	-p "/usr/lib64/" \
-	-p "src/dashbls/" \
+	-p "src/mimalloc/" \
 	-p "src/immer/" \
 	-p "src/leveldb/" \
 	-p "src/crc32c/" \

configure.ac

@@ -883,18 +883,6 @@ case $host in
            export PKG_CONFIG_PATH="$($BREW --prefix qt@5 2>/dev/null)/lib/pkgconfig:$PKG_CONFIG_PATH"
          fi
 
-        gmp_prefix=$($BREW --prefix gmp 2>/dev/null)
-        if test "$gmp_prefix" != ""; then
-          if test "$suppress_external_warnings" != "no"; then
-            GMP_CPPFLAGS="-isystem $gmp_prefix/include"
-          else
-            GMP_CPPFLAGS="-I$gmp_prefix/include"
-          fi
-          GMP_LDFLAGS="-L$gmp_prefix/lib"
-          CORE_CPPFLAGS="$CORE_CPPFLAGS $GMP_CPPFLAGS"
-          CORE_LDFLAGS="$CORE_LDFLAGS $GMP_LDFLAGS"
-        fi
-
          case $host in
            *aarch64*)
              dnl The preferred Homebrew prefix for Apple Silicon is /opt/homebrew.
@@ -1695,15 +1683,9 @@ if test "$use_zmq" = "yes"; then
   esac
 fi
 
-dnl check if libgmp is present
-TEMP_CPPFLAGS="$CPPFLAGS"
-TEMP_LDFLAGS="$LDFLAGS"
-CPPFLAGS="$CPPFLAGS $GMP_CPPFLAGS"
-LDFLAGS="$LDFLAGS $GMP_LDFLAGS"
-AC_CHECK_HEADER([gmp.h],, AC_MSG_ERROR(libgmp headers missing))
-AC_CHECK_LIB([gmp],  [__gmpz_init],GMP_LIBS=-lgmp, AC_MSG_ERROR(libgmp missing))
-CPPFLAGS="$TEMP_CPPFLAGS"
-LDFLAGS="$TEMP_LDFLAGS"
+dnl blst (BLS12-381 backend of src/bls), provided by depends or the system
+AC_CHECK_HEADER([blst.h],, AC_MSG_ERROR([blst headers missing]))
+AC_CHECK_LIB([blst], [blst_p1_compress], [BLST_LIBS=-lblst], AC_MSG_ERROR([libblst missing]))
 
 AM_CONDITIONAL([ENABLE_ZMQ], [test "$use_zmq" = "yes"])
 
@@ -2040,7 +2022,7 @@ AC_SUBST(MINIUPNPC_LIBS)
 AC_SUBST(BACKTRACE_FLAGS)
 AC_SUBST(BACKTRACE_LDFLAGS)
 AC_SUBST(BACKTRACE_LIBS)
-AC_SUBST(GMP_LIBS)
+AC_SUBST(BLST_LIBS)
 AC_SUBST(NATPMP_CPPFLAGS)
 AC_SUBST(NATPMP_LIBS)
 AC_SUBST(DSYMUTIL_FLAT)
@@ -2081,7 +2063,7 @@ fi
 dnl The ECDH module is required by the wallet's Platform key provider
 dnl (DashPay contact request encryption, wallet/platformkeys.cpp).
 ac_configure_args="${ac_configure_args} --disable-shared --with-pic --enable-benchmark=no --enable-module-recovery --enable-module-ecdh --disable-openssl-tests"
-AC_CONFIG_SUBDIRS([src/dashbls src/secp256k1])
+AC_CONFIG_SUBDIRS([src/secp256k1])
 
 AC_OUTPUT
 

contrib/debian/copyright

@@ -27,6 +27,11 @@ Files: src/qt/res/fonts/RobotoMono-Bold.ttf
 License: Apache-2.0
 Comment: Site: https://fonts.google.com/specimen/Roboto+Mono
 
+Files: src/mimalloc/*
+Copyright: 2018-2025 Microsoft Corporation, Daan Leijen
+License: Expat
+Comment: Site: https://github.com/microsoft/mimalloc
+
 
 License: Expat
  Permission is hereby granted, free of charge, to any person obtaining a

contrib/devtools/copyright_header.py

@@ -37,7 +37,7 @@
     # git subtrees
     "src/crc32c/",
     "src/crypto/ctaes/",
-    "src/dashbls/",
+    "src/mimalloc/",
     "src/gsl/",
     "src/immer/",
     "src/leveldb/",

contrib/guix/libexec/build.sh

@@ -270,7 +270,7 @@ mkdir -p "$DISTSRC"
                     ${HOST_CXXFLAGS:+CXXFLAGS="${HOST_CXXFLAGS}"} \
                     ${HOST_LDFLAGS:+LDFLAGS="${HOST_LDFLAGS}"}
 
-    sed -i.old 's/-lstdc++ //g' {./,src/dashbls/,src/secp256k1/}{config.status,libtool}
+    sed -i.old 's/-lstdc++ //g' {./,src/secp256k1/}{config.status,libtool}
 
 
     # Build Dash Core

depends/packages/blst.mk

@@ -0,0 +1,24 @@
+package=blst
+$(package)_version=0.3.17
+$(package)_download_path=https://github.com/supranational/blst/archive/refs/tags
+$(package)_download_file=v$($(package)_version).tar.gz
+$(package)_file_name=$(package)-$($(package)_version).tar.gz
+$(package)_sha256_hash=c3fef37b566b67419703b2bbb648e15176276af9a880c22aa8f5f2e8cecc2e4d
+
+# build.sh takes CC/AR/RANLIB/CFLAGS from the environment. __BLST_PORTABLE__
+# selects runtime CPU dispatch instead of letting build.sh probe the builder's
+# /proc/cpuinfo for ADX, which keeps the build reproducible; build.sh itself
+# adds -D__BLST_NO_ASM__ on hosts other than x86_64/aarch64.
+define $(package)_set_vars
+  $(package)_build_env=CC="$($(package)_cc)" AR="$($(package)_ar)" RANLIB="$($(package)_ranlib)" CFLAGS="$($(package)_cflags) $($(package)_cppflags) -fno-builtin -fPIC -D__BLST_PORTABLE__"
+endef
+
+define $(package)_build_cmds
+  ./build.sh
+endef
+
+define $(package)_stage_cmds
+  mkdir -p $($(package)_staging_prefix_dir)/include $($(package)_staging_prefix_dir)/lib && \
+  install -m 644 bindings/blst.h bindings/blst_aux.h $($(package)_staging_prefix_dir)/include && \
+  install -m 644 libblst.a $($(package)_staging_prefix_dir)/lib
+endef

depends/packages/packages.mk

@@ -1,4 +1,4 @@
-packages:=gmp backtrace
+packages:=backtrace blst
 
 boost_packages = boost