Chore: bundle msgpack to fix nix-build (#450)

* Revert msgpack submodule

* Bundle msgpack to avoid issues with submodules

.gitmodules

@@ -1,6 +1,3 @@
-[submodule "cpp/src/msgpack-c"]
-	path = cpp/src/msgpack-c
-	url = https://github.com/AztecProtocol/msgpack-c
 [submodule "foundation"]
 	path = foundation
 	url = git@github.com:AztecProtocol/foundation.git

cpp/src/msgpack-c/.github/depends/boost.sh

@@ -0,0 +1,72 @@
+#!/bin/bash
+
+usage()
+{
+  cat <<EOL
+  -b   - 32-bit or 64-bit library, maybe 32, 64 or both
+  -t   - the toolset, maybe gcc, clang or both
+  -p   - installation prefix
+EOL
+}
+
+build_boost()
+{
+  ./b2 \
+      --toolset=$1 \
+      --prefix=$3/$2 \
+      --with-test \
+      --with-headers \
+      --with-chrono \
+      --with-context \
+      --with-filesystem \
+      --with-system \
+      --with-timer \
+      address-model=$2 \
+      install || exit 1
+}
+
+bit="64"
+toolset="gcc"
+prefix="$HOME/boost-prefix"
+
+while getopts "b:t:p:" c; do
+  case "$c" in
+    b)
+      bit="$OPTARG"
+      [ "$bit" != "32" ] && [ "$bit" != "64" ] && [ "$bit" != "both" ] && usage && exit 1
+      ;;
+    t)
+      toolset="$OPTARG"
+      [ "$toolset" != "gcc" ] && [ "$toolset" != "clang" ] && [ "$toolset" != "both" ] && usage && exit 1
+      ;;
+    p)
+      prefix="$OPTARG"
+      ;;
+    ?*)
+      echo "invalid arguments." && exit 1
+      ;;
+  esac
+done
+
+mkdir $prefix || exit 1
+wget https://boostorg.jfrog.io/artifactory/main/release/1.76.0/source/boost_1_76_0.tar.bz2 || exit 1
+tar xf boost_1_76_0.tar.bz2 || exit 1
+cd boost_1_76_0
+./bootstrap.sh || exit 1
+
+build()
+{
+  if [ "$bit" = "both" ]; then
+    build_boost $1 32 $prefix
+    build_boost $1 64 $prefix
+  else
+    build_boost $1 $bit $prefix
+  fi
+}
+
+if [ "$toolset" = "both" ]; then
+  build gcc
+  build clang
+else
+  build $toolset
+fi

cpp/src/msgpack-c/.github/depends/zlib.sh

@@ -0,0 +1,51 @@
+#!/bin/bash
+
+usage()
+{
+  cat <<EOL
+  -b   - 32-bit or 64-bit library, maybe 32 or 64
+  -p   - installation prefix
+EOL
+}
+
+bit="64"
+prefix="$HOME/zlib-prefix"
+
+while getopts "b:t:p:" c; do
+  case "$c" in
+    b)
+      bit="$OPTARG"
+      [ "$bit" != "32" ] && [ "$bit" != "64" ] && [ "$bit" != "both" ] && usage && exit 1
+      ;;
+    p)
+      prefix="$OPTARG"
+      ;;
+    ?*)
+      echo "invalid arguments." && exit 1
+      ;;
+  esac
+done
+
+mkdir $prefix || exit 1
+wget https://zlib.net/zlib-1.2.13.tar.gz || exit 1
+tar -xf zlib-1.2.13.tar.gz || exit 1
+cd zlib-1.2.13
+
+build()
+{
+  cmake \
+    -D CMAKE_BUILD_TYPE=Release \
+    -D CMAKE_INSTALL_PREFIX=$2/$1 \
+    -D CMAKE_C_FLAGS="-m$1" \
+    -D CMAKE_SHARED_LINKER_FLAGS="-m$1" \
+    -B build$1 \
+    -S .
+  cmake --build build$1 --target install
+}
+
+if [ "$bit" = "both" ]; then
+  build 32 $prefix
+  build 64 $prefix
+else
+  build $bit $prefix
+fi

cpp/src/msgpack-c/.github/workflows/coverage.yml

@@ -0,0 +1,73 @@
+name: coverage
+
+on:
+  pull_request:
+    types: [opened, synchronize]
+  push:
+    branches:
+    - cpp_master
+    tags:
+    - '*'
+
+jobs:
+  codecov:
+    timeout-minutes: 30
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v1
+    - name: Install build dependencies
+      run: |
+        sudo apt-get update
+        sudo apt-get install g++-10 cmake lcov -y
+        ./ci/set_gcc_10.sh
+
+    - name: Cache boost
+      id: cache-boost
+      uses: actions/cache@v1
+      with:
+        path: ~/boost-prefix/
+        key: ${{ runner.os }}-boost-64-1-76-0-2021-08-09
+
+    - name: Build boost
+      if: steps.cache-boost.outputs.cache-hit != 'true'
+      run: ./.github/depends/boost.sh -b 64 -t gcc -p $HOME/boost-prefix
+
+    - name: Cache zlib
+      id: cache-zlib
+      uses: actions/cache@v1
+      with:
+        path: ~/zlib-prefix/
+        key: ${{ runner.os }}-zlib-64-1-2-11-2021-08-09
+
+    - name: Build zlib
+      if: steps.cache-zlib.outputs.cache-hit != 'true'
+      run: ./.github/depends/zlib.sh -b 64 -p $HOME/zlib-prefix
+
+    - name: Compile tests
+      run: |
+        mkdir build
+        cmake \
+            -D MSGPACK_CXX20=ON \
+            -D MSGPACK_32BIT=OFF \
+            -D MSGPACK_CHAR_SIGN=signed \
+            -D MSGPACK_USE_X3_PARSE=ON \
+            -D MSGPACK_BUILD_EXAMPLES=ON \
+            -D MSGPACK_BUILD_TESTS=ON \
+            -D CMAKE_BUILD_TYPE=Debug \
+            -D MSGPACK_GEN_COVERAGE=ON \
+            -D CMAKE_PREFIX_PATH="$HOME/zlib-prefix/64;$HOME/boost-prefix/64" \
+            -B build \
+            -S . || exit 1
+        cmake --build build --target all || exit 1
+        ctest --test-dir build || exit 1
+
+    - name: Upload coverage to Codecov
+      working-directory: build
+      run: |
+        # Create lcov report
+        lcov --capture --directory . --output-file coverage.info
+        lcov --remove coverage.info '/usr/*' --output-file coverage.info # filter system-files
+        lcov --list coverage.info # debug info
+        # Uploading report to CodeCov
+        bash <(curl -s https://codecov.io/bash) -f coverage.info || echo "Codecov did not collect coverage reports"