Add monero_c build workflow

diff --git a/.github/workflows/build-builder-image.yml b/.github/workflows/build-builder-image.yml
new file mode 100644
index 0000000..8f6ca3e
--- /dev/null
+++ b/.github/workflows/build-builder-image.yml
@@ -0,0 +1,67 @@
+name: Build Builder Docker Image
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - 'Dockerfile'
+      - '.github/workflows/build-builder-image.yml.yml'
+  workflow_dispatch:
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}-builder
+
+jobs:
+  build-and-push:
+    name: Build and Push Docker Image
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+      id-token: write
+      attestations: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=sha,prefix=
+            type=raw,value=latest
+
+      - name: Build and push Docker image
+        id: build
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: Dockerfile.builder
+          platforms: linux/amd64
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+      - name: Generate artifact attestation
+        uses: actions/attest-build-provenance@v2
+        with:
+          subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          subject-digest: ${{ steps.build.outputs.digest }}
+          push-to-registry: true
diff --git a/.github/workflows/build-monero-c.yml b/.github/workflows/build-monero-c.yml
new file mode 100644
index 0000000..06a6ba0
--- /dev/null
+++ b/.github/workflows/build-monero-c.yml
@@ -0,0 +1,186 @@
+name: Build monero_c
+
+on:
+  workflow_dispatch:
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  build-x86_64-linux-gnu:
+    name: Build x86_64-linux-gnu
+    runs-on: ubuntu-latest
+    container:
+      image: debian:bullseye
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Build monero_c
+        env:
+          TARGET_ARCH: x86_64-linux-gnu
+        run: scripts/build-moneroc.sh
+
+      - name: Copy built library
+        run: |
+          mkdir -p artifacts
+          cp monero_c/monero_libwallet2_api_c/build/x86_64-linux-gnu/libwallet2_api_c.so artifacts/monero_libwallet2_api_c.so
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: x86_64-linux-gnu
+          path: artifacts/monero_libwallet2_api_c.so
+
+  build-x86_64-linux-android:
+    name: Build x86_64-linux-android
+    runs-on: ubuntu-latest
+    container:
+      image: debian:bullseye
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Build monero_c
+        env:
+          TARGET_ARCH: x86_64-linux-android
+        run: scripts/build-moneroc.sh
+
+      - name: Copy built library
+        run: |
+          mkdir -p artifacts
+          cp monero_c/monero_libwallet2_api_c/build/x86_64-linux-android/libwallet2_api_c.so artifacts/libmonero_libwallet2_api_c.so
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: x86_64-linux-android
+          path: artifacts/libmonero_libwallet2_api_c.so
+
+  build-aarch64-linux-android:
+    name: Build aarch64-linux-android
+    runs-on: ubuntu-latest
+    container:
+      image: debian:bullseye
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Build monero_c
+        env:
+          TARGET_ARCH: aarch64-linux-android
+        run: scripts/build-moneroc.sh
+
+      - name: Copy built library
+        run: |
+          mkdir -p artifacts
+          cp monero_c/monero_libwallet2_api_c/build/aarch64-linux-android/libwallet2_api_c.so artifacts/libmonero_libwallet2_api_c.so
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: aarch64-linux-android
+          path: artifacts/libmonero_libwallet2_api_c.so
+
+  build-armv7a-linux-androideabi:
+    name: Build armv7a-linux-androideabi
+    runs-on: ubuntu-latest
+    container:
+      image: debian:bullseye
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Build monero_c
+        env:
+          TARGET_ARCH: armv7a-linux-androideabi
+        run: scripts/build-moneroc.sh
+
+      - name: Copy built library
+        run: |
+          mkdir -p artifacts
+          cp monero_c/monero_libwallet2_api_c/build/armv7a-linux-androideabi/libwallet2_api_c.so artifacts/libmonero_libwallet2_api_c.so
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: armv7a-linux-androideabi
+          path: artifacts/libmonero_libwallet2_api_c.so
+
+  create-pr:
+    name: Create Pull Request
+    runs-on: ubuntu-latest
+    needs:
+      - build-x86_64-linux-gnu
+      - build-x86_64-linux-android
+      - build-aarch64-linux-android
+      - build-armv7a-linux-androideabi
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Download x86_64-linux-gnu artifact
+        uses: actions/download-artifact@v4
+        with:
+          name: x86_64-linux-gnu
+          path: artifacts/x86_64-linux-gnu
+
+      - name: Download x86_64-linux-android artifact
+        uses: actions/download-artifact@v4
+        with:
+          name: x86_64-linux-android
+          path: artifacts/x86_64-linux-android
+
+      - name: Download aarch64-linux-android artifact
+        uses: actions/download-artifact@v4
+        with:
+          name: aarch64-linux-android
+          path: artifacts/aarch64-linux-android
+
+      - name: Download armv7a-linux-androideabi artifact
+        uses: actions/download-artifact@v4
+        with:
+          name: armv7a-linux-androideabi
+          path: artifacts/armv7a-linux-androideabi
+
+      - name: Place libraries in correct locations
+        run: |
+          # Linux x86_64
+          cp artifacts/x86_64-linux-gnu/monero_libwallet2_api_c.so linux/monero_libwallet2_api_c.so
+
+          # Android x86_64
+          cp artifacts/x86_64-linux-android/libmonero_libwallet2_api_c.so android/app/src/main/jniLibs/x86_64/libmonero_libwallet2_api_c.so
+
+          # Android arm64-v8a
+          cp artifacts/aarch64-linux-android/libmonero_libwallet2_api_c.so android/app/src/main/jniLibs/arm64-v8a/libmonero_libwallet2_api_c.so
+
+          # Android armeabi-v7a
+          cp artifacts/armv7a-linux-androideabi/libmonero_libwallet2_api_c.so android/app/src/main/jniLibs/armeabi-v7a/libmonero_libwallet2_api_c.so
+
+      - name: Fix Linux library executable stack
+        run: scripts/fix-linux-moneroc-execstack.sh
+
+      - name: Update pubspec.lock with monero_c commit hash
+        run: |
+          COMMIT_HASH=$(git ls-remote https://github.com/vtnerd/monero_c refs/heads/lwsf | cut -f1)
+          sed -i "s/resolved-ref: \"[a-f0-9]*\"/resolved-ref: \"${COMMIT_HASH}\"/" pubspec.lock
+
+      - name: Create Pull Request
+        uses: peter-evans/create-pull-request@v8
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          commit-message: "Update monero_c libraries"
+          title: "Update monero_c libraries"
+          body: |
+            This PR updates the monero_c libraries for all supported architectures:
+
+            - `linux/monero_libwallet2_api_c.so` (x86_64-linux-gnu)
+            - `android/app/src/main/jniLibs/x86_64/libmonero_libwallet2_api_c.so` (x86_64-linux-android)
+            - `android/app/src/main/jniLibs/arm64-v8a/libmonero_libwallet2_api_c.so` (aarch64-linux-android)
+            - `android/app/src/main/jniLibs/armeabi-v7a/libmonero_libwallet2_api_c.so` (armv7a-linux-androideabi)
+
+            Built from [monero_c](https://github.com/vtnerd/monero_c) branch `lwsf`.
+          branch: update-moneroc-libs
+          delete-branch: true
+
diff --git a/.github/workflows/builder-image-build.yml b/.github/workflows/builder-image-build.yml
deleted file mode 100644
index a872f3f..0000000
--- a/.github/workflows/builder-image-build.yml
+++ /dev/null
@@ -1,66 +0,0 @@
-name: Build Builder Docker Image
-
-on:
-  push:
-    branches:
-      - main
-    paths:
-      - 'Dockerfile'
-      - '.github/workflows/builder-image-build.yml'
-  workflow_dispatch:
-
-env:
-  REGISTRY: ghcr.io
-  IMAGE_NAME: ${{ github.repository }}-builder
-
-jobs:
-  build-and-push:
-    name: Build and Push Docker Image
-    runs-on: ubuntu-latest
-    permissions:
-      contents: read
-      packages: write
-      id-token: write
-      attestations: write
-
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-
-      - name: Log in to GitHub Container Registry
-        uses: docker/login-action@v3
-        with:
-          registry: ${{ env.REGISTRY }}
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: Extract metadata for Docker
-        id: meta
-        uses: docker/metadata-action@v5
-        with:
-          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
-          tags: |
-            type=sha,prefix=
-            type=raw,value=latest
-
-      - name: Build and push Docker image
-        id: build
-        uses: docker/build-push-action@v5
-        with:
-          context: .
-          platforms: linux/amd64
-          push: true
-          tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}
-          cache-from: type=gha
-          cache-to: type=gha,mode=max
-
-      - name: Generate artifact attestation
-        uses: actions/attest-build-provenance@v2
-        with:
-          subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
-          subject-digest: ${{ steps.build.outputs.digest }}
-          push-to-registry: true
diff --git a/Dockerfile b/Dockerfile
deleted file mode 100644
index b042545..0000000
--- a/Dockerfile
+++ /dev/null
@@ -1,81 +0,0 @@
-# Using Debian Bullseye for maximum AppImage compatibility (GLIBC 2.31)
-FROM debian:bullseye-20251117@sha256:ee239c601913c0d3962208299eef70dcffcb7aac1787f7a02f6d3e2b518755e6
- 
-ARG TARGETARCH
-
-ARG FLUTTER_VERSION=3.38.5
-ARG RUST_VERSION=1.83.0
-ARG ANDROID_CMDLINE_TOOLS_VERSION=11076708
-ARG ANDROID_BUILD_TOOLS_VERSION=36.0.0
-ARG ANDROID_PLATFORM_VERSION=36
-ARG ANDROID_NDK_VERSION=28.0.13004108
-
-# Install system dependencies with pinned versions
-RUN apt-get update && \
-    apt-get install -y --no-install-recommends \
-    curl=7.74.0-1.3+deb11u15 \
-    wget=1.21-1+deb11u2 \
-    git=1:2.30.2-1+deb11u5 \
-    unzip=6.0-26+deb11u1 \
-    xz-utils=5.2.5-2.1~deb11u1 \
-    zip=3.0-12 \
-    libglu1-mesa=9.0.1-1 \
-    clang=1:11.0-51+nmu5 \
-    cmake=3.18.4-2+deb11u1 \
-    ninja-build=1.10.1-1 \
-    pkg-config=0.29.2-1 \
-    libgtk-3-dev=3.24.24-4+deb11u4 \
-    liblzma-dev=5.2.5-2.1~deb11u1 \
-    libstdc++-10-dev=10.2.1-6 \
-    openjdk-17-jdk=17.0.17+10-1~deb11u1 \
-    ca-certificates=20210119 \
-    build-essential=12.9 \
-    make=4.3-4.1 \
-    perl=5.32.1-4+deb11u4 \
-    libssl-dev=1.1.1w-0+deb11u4 \
-    libsecret-1-dev=0.20.4-2 \
-    libsecret-1-0=0.20.4-2 \
-    file=1:5.39-3+deb11u1 && \
-    apt-get clean && \
-    rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
-
-ENV JAVA_HOME=/usr/lib/jvm/java-17-openjdk-${TARGETARCH}
-ENV ANDROID_HOME=/opt/android-sdk
-ENV ANDROID_SDK_ROOT=/opt/android-sdk
-ENV CARGO_HOME=/opt/cargo
-ENV RUSTUP_HOME=/opt/rustup
-ENV PATH="/flutter/bin:${ANDROID_HOME}/cmdline-tools/latest/bin:${ANDROID_HOME}/platform-tools:${CARGO_HOME}/bin:${PATH}"
-ENV FLUTTER_ROOT="/flutter"
-
-# Install Rust with pinned version
-RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --default-toolchain ${RUST_VERSION} --profile minimal && \
-    . ${CARGO_HOME}/env && \
-    rustup target add aarch64-linux-android armv7-linux-androideabi x86_64-linux-android i686-linux-android
-
-# Install Android SDK command-line tools with pinned version
-RUN mkdir -p ${ANDROID_HOME}/cmdline-tools && \
-    cd ${ANDROID_HOME}/cmdline-tools && \
-    curl -o cmdtools.zip https://dl.google.com/android/repository/commandlinetools-linux-${ANDROID_CMDLINE_TOOLS_VERSION}_latest.zip && \
-    unzip cmdtools.zip && \
-    mv cmdline-tools latest && \
-    rm cmdtools.zip
-
-# Install Android SDK components with pinned versions
-RUN yes | sdkmanager --licenses && \
-    sdkmanager --install \
-    "platform-tools" \
-    "platforms;android-${ANDROID_PLATFORM_VERSION}" \
-    "build-tools;${ANDROID_BUILD_TOOLS_VERSION}" \
-    "ndk;${ANDROID_NDK_VERSION}" && \
-    rm -rf ${ANDROID_HOME}/.android/cache
-
-# Install Flutter with pinned version
-RUN git clone https://github.com/flutter/flutter.git -b ${FLUTTER_VERSION} --depth 1 /flutter && \
-    flutter doctor -v && \
-    flutter config --enable-linux-desktop && \
-    flutter config --no-analytics && \
-    flutter precache --linux --android && \
-    find /flutter -name "*.zip" -delete
-
-WORKDIR /workspace
-
diff --git a/Dockerfile.builder b/Dockerfile.builder
new file mode 100644
index 0000000..b042545
--- /dev/null
+++ b/Dockerfile.builder
@@ -0,0 +1,81 @@
+# Using Debian Bullseye for maximum AppImage compatibility (GLIBC 2.31)
+FROM debian:bullseye-20251117@sha256:ee239c601913c0d3962208299eef70dcffcb7aac1787f7a02f6d3e2b518755e6
+ 
+ARG TARGETARCH
+
+ARG FLUTTER_VERSION=3.38.5
+ARG RUST_VERSION=1.83.0
+ARG ANDROID_CMDLINE_TOOLS_VERSION=11076708
+ARG ANDROID_BUILD_TOOLS_VERSION=36.0.0
+ARG ANDROID_PLATFORM_VERSION=36
+ARG ANDROID_NDK_VERSION=28.0.13004108
+
+# Install system dependencies with pinned versions
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+    curl=7.74.0-1.3+deb11u15 \
+    wget=1.21-1+deb11u2 \
+    git=1:2.30.2-1+deb11u5 \
+    unzip=6.0-26+deb11u1 \
+    xz-utils=5.2.5-2.1~deb11u1 \
+    zip=3.0-12 \
+    libglu1-mesa=9.0.1-1 \
+    clang=1:11.0-51+nmu5 \
+    cmake=3.18.4-2+deb11u1 \
+    ninja-build=1.10.1-1 \
+    pkg-config=0.29.2-1 \
+    libgtk-3-dev=3.24.24-4+deb11u4 \
+    liblzma-dev=5.2.5-2.1~deb11u1 \
+    libstdc++-10-dev=10.2.1-6 \
+    openjdk-17-jdk=17.0.17+10-1~deb11u1 \
+    ca-certificates=20210119 \
+    build-essential=12.9 \
+    make=4.3-4.1 \
+    perl=5.32.1-4+deb11u4 \
+    libssl-dev=1.1.1w-0+deb11u4 \
+    libsecret-1-dev=0.20.4-2 \
+    libsecret-1-0=0.20.4-2 \
+    file=1:5.39-3+deb11u1 && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+
+ENV JAVA_HOME=/usr/lib/jvm/java-17-openjdk-${TARGETARCH}
+ENV ANDROID_HOME=/opt/android-sdk
+ENV ANDROID_SDK_ROOT=/opt/android-sdk
+ENV CARGO_HOME=/opt/cargo
+ENV RUSTUP_HOME=/opt/rustup
+ENV PATH="/flutter/bin:${ANDROID_HOME}/cmdline-tools/latest/bin:${ANDROID_HOME}/platform-tools:${CARGO_HOME}/bin:${PATH}"
+ENV FLUTTER_ROOT="/flutter"
+
+# Install Rust with pinned version
+RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --default-toolchain ${RUST_VERSION} --profile minimal && \
+    . ${CARGO_HOME}/env && \
+    rustup target add aarch64-linux-android armv7-linux-androideabi x86_64-linux-android i686-linux-android
+
+# Install Android SDK command-line tools with pinned version
+RUN mkdir -p ${ANDROID_HOME}/cmdline-tools && \
+    cd ${ANDROID_HOME}/cmdline-tools && \
+    curl -o cmdtools.zip https://dl.google.com/android/repository/commandlinetools-linux-${ANDROID_CMDLINE_TOOLS_VERSION}_latest.zip && \
+    unzip cmdtools.zip && \
+    mv cmdline-tools latest && \
+    rm cmdtools.zip
+
+# Install Android SDK components with pinned versions
+RUN yes | sdkmanager --licenses && \
+    sdkmanager --install \
+    "platform-tools" \
+    "platforms;android-${ANDROID_PLATFORM_VERSION}" \
+    "build-tools;${ANDROID_BUILD_TOOLS_VERSION}" \
+    "ndk;${ANDROID_NDK_VERSION}" && \
+    rm -rf ${ANDROID_HOME}/.android/cache
+
+# Install Flutter with pinned version
+RUN git clone https://github.com/flutter/flutter.git -b ${FLUTTER_VERSION} --depth 1 /flutter && \
+    flutter doctor -v && \
+    flutter config --enable-linux-desktop && \
+    flutter config --no-analytics && \
+    flutter precache --linux --android && \
+    find /flutter -name "*.zip" -delete
+
+WORKDIR /workspace
+
diff --git a/linux/fix_execstack.sh b/linux/fix_execstack.sh
deleted file mode 100755
index b814be6..0000000
--- a/linux/fix_execstack.sh
+++ /dev/null
@@ -1,80 +0,0 @@
-#!/bin/bash
-# Script to fix executable stack flag in monero_libwallet2_api_c.so
-# This should be run whenever monero_libwallet2_api_c.so file is updated.
-
-LIB_PATH="$(dirname "$0")/monero_libwallet2_api_c.so"
-
-if [ ! -f "$LIB_PATH" ]; then
-    echo "Error: $LIB_PATH not found"
-    exit 1
-fi
-
-python3 << PYTHON_SCRIPT
-import struct
-import sys
-
-lib_path = "$LIB_PATH"
-
-# Read the ELF file
-with open(lib_path, 'rb') as f:
-    data = bytearray(f.read())
-
-# Check ELF magic
-if data[:4] != b'\x7fELF':
-    print('Error: Not an ELF file')
-    sys.exit(1)
-
-# Get ELF class (32 or 64 bit)
-elf_class = data[4]
-if elf_class == 1:  # 32-bit
-    phoff = struct.unpack('<I', data[28:32])[0]
-    phentsize = struct.unpack('<H', data[42:44])[0]
-    phnum = struct.unpack('<H', data[44:46])[0]
-else:  # 64-bit
-    phoff = struct.unpack('<Q', data[32:40])[0]
-    phentsize = struct.unpack('<H', data[54:56])[0]
-    phnum = struct.unpack('<H', data[56:58])[0]
-
-# Find GNU_STACK segment and clear executable flag
-found = False
-for i in range(phnum):
-    offset = phoff + i * phentsize
-    if elf_class == 1:  # 32-bit
-        p_type = struct.unpack('<I', data[offset:offset+4])[0]
-    else:  # 64-bit
-        p_type = struct.unpack('<I', data[offset:offset+4])[0]
-    
-    # Check if it's PT_GNU_STACK (0x6474e551)
-    if p_type == 0x6474e551:
-        found = True
-        if elf_class == 1:  # 32-bit
-            p_flags_offset = offset + 24
-        else:  # 64-bit
-            p_flags_offset = offset + 4
-        
-        # Read current flags
-        p_flags = struct.unpack('<I', data[p_flags_offset:p_flags_offset+4])[0]
-        # Clear executable bit (remove PF_X = 0x1)
-        p_flags = p_flags & ~0x1
-        # Write back
-        data[p_flags_offset:p_flags_offset+4] = struct.pack('<I', p_flags)
-        print(f'Cleared executable flag. New flags: 0x{p_flags:x}')
-        break
-
-if found:
-    # Write back the modified file
-    with open(lib_path, 'wb') as f:
-        f.write(data)
-    print('File updated successfully')
-else:
-    print('Warning: GNU_STACK segment not found')
-    sys.exit(1)
-PYTHON_SCRIPT
-
-if [ $? -eq 0 ]; then
-    echo "Successfully fixed executable stack flag in $LIB_PATH"
-else
-    echo "Failed to fix executable stack flag"
-    exit 1
-fi
-
diff --git a/scripts/build-moneroc.sh b/scripts/build-moneroc.sh
new file mode 100755
index 0000000..4f0085d
--- /dev/null
+++ b/scripts/build-moneroc.sh
@@ -0,0 +1,18 @@
+#!/bin/bash
+set -e
+
+apt update
+apt upgrade -y
+apt install -y build-essential pkg-config autoconf libtool ccache make cmake gcc g++ git curl \
+  lbzip2 libtinfo5 gperf unzip python-is-python3 gcc-mingw-w64-x86-64 g++-mingw-w64-x86-64
+
+git config --global --add safe.directory '*'
+git config --global user.email "info@magicgrants.org"
+git config --global user.name "MAGIC Grants"
+
+git clone https://github.com/vtnerd/monero_c.git
+cd monero_c
+git checkout lwsf
+git submodule update --init
+./apply_patches.sh monero
+./build_single.sh monero $TARGET_ARCH -j$(nproc)
\ No newline at end of file
diff --git a/scripts/fix-linux-moneroc-execstack.sh b/scripts/fix-linux-moneroc-execstack.sh
new file mode 100755
index 0000000..be8622a
--- /dev/null
+++ b/scripts/fix-linux-moneroc-execstack.sh
@@ -0,0 +1,80 @@
+#!/bin/bash
+# Script to fix executable stack flag in monero_libwallet2_api_c.so
+# This should be run whenever monero_libwallet2_api_c.so file is updated.
+
+LIB_PATH="$(dirname "$0")/../linux/monero_libwallet2_api_c.so"
+
+if [ ! -f "$LIB_PATH" ]; then
+    echo "Error: $LIB_PATH not found"
+    exit 1
+fi
+
+python3 << PYTHON_SCRIPT
+import struct
+import sys
+
+lib_path = "$LIB_PATH"
+
+# Read the ELF file
+with open(lib_path, 'rb') as f:
+    data = bytearray(f.read())
+
+# Check ELF magic
+if data[:4] != b'\x7fELF':
+    print('Error: Not an ELF file')
+    sys.exit(1)
+
+# Get ELF class (32 or 64 bit)
+elf_class = data[4]
+if elf_class == 1:  # 32-bit
+    phoff = struct.unpack('<I', data[28:32])[0]
+    phentsize = struct.unpack('<H', data[42:44])[0]
+    phnum = struct.unpack('<H', data[44:46])[0]
+else:  # 64-bit
+    phoff = struct.unpack('<Q', data[32:40])[0]
+    phentsize = struct.unpack('<H', data[54:56])[0]
+    phnum = struct.unpack('<H', data[56:58])[0]
+
+# Find GNU_STACK segment and clear executable flag
+found = False
+for i in range(phnum):
+    offset = phoff + i * phentsize
+    if elf_class == 1:  # 32-bit
+        p_type = struct.unpack('<I', data[offset:offset+4])[0]
+    else:  # 64-bit
+        p_type = struct.unpack('<I', data[offset:offset+4])[0]
+    
+    # Check if it's PT_GNU_STACK (0x6474e551)
+    if p_type == 0x6474e551:
+        found = True
+        if elf_class == 1:  # 32-bit
+            p_flags_offset = offset + 24
+        else:  # 64-bit
+            p_flags_offset = offset + 4
+        
+        # Read current flags
+        p_flags = struct.unpack('<I', data[p_flags_offset:p_flags_offset+4])[0]
+        # Clear executable bit (remove PF_X = 0x1)
+        p_flags = p_flags & ~0x1
+        # Write back
+        data[p_flags_offset:p_flags_offset+4] = struct.pack('<I', p_flags)
+        print(f'Cleared executable flag. New flags: 0x{p_flags:x}')
+        break
+
+if found:
+    # Write back the modified file
+    with open(lib_path, 'wb') as f:
+        f.write(data)
+    print('File updated successfully')
+else:
+    print('Warning: GNU_STACK segment not found')
+    sys.exit(1)
+PYTHON_SCRIPT
+
+if [ $? -eq 0 ]; then
+    echo "Successfully fixed executable stack flag in $LIB_PATH"
+else
+    echo "Failed to fix executable stack flag"
+    exit 1
+fi
+