feat: jenkins CI initial (#142)

* feat: jenkins CI initial
* feat: publish over SSH
* feat: more details regarding build-id generation
* feat: prebuild download logic
* feat: force fast_builds on GitHub CI runs
* feat: add make clean to contrib/depends and invoke it on CI to reduce SSH upload step time
* fix: correct linux save path
* revert: make clean
* separate builds
* enhance sshPublisher
* fix: github CI: depracate GitHub cache, fix DEPENDS_UNTRUSTED_FAST_BUILDS
* fix: sha256sum logic
* chore: refactor github actions and Jenkinsfile to only execute when required
* ci: update ci to 15 and xcode to 16.4
* ci: cleanup builddir before starting

8 files changed, 594 insertions, 326 deletions

diff --git a/.github/workflows/full_check.yaml b/.github/workflows/full_check.yaml
index 8f54c8a..bca32d6 100644
--- a/.github/workflows/full_check.yaml
+++ b/.github/workflows/full_check.yaml
@@ -7,6 +7,9 @@ jobs:
   lib_mingw:
     strategy:
       fail-fast: false
+      matrix:
+        coin: [monero, wownero]
+        target: [x86_64-w64-mingw32, i686-w64-mingw32]
     runs-on: ubuntu-latest
     container:
       image: ubuntu:24.04
@@ -30,32 +33,16 @@ jobs:
       - name: ccache
         uses: hendrikmuhs/ccache-action@v1.2
         with:
-          key: ${{ github.job }}
-      - name: Cache built
-        if: ${{ !startsWith(github.ref, 'refs/tags/v') }}
-        uses: actions/cache@v4
-        with:
-          path: |
-            contrib/depends/built/*
-          key: depends-${{ github.job }}-${{ hashFiles('contrib/depends/packages/*.mk') }}
-      - name: x86_64-w64-mingw32
+          key: ${{ github.job }}-${{ matrix.coin }}-${{ matrix.target }}
+      - name: Build ${{ matrix.coin }} for ${{ matrix.target }}
         run: |
-          ./build_single.sh monero x86_64-w64-mingw32 -j$(nproc)
-          ./build_single.sh wownero x86_64-w64-mingw32 -j$(nproc)
-      - name: i686-w64-mingw32
-        run: |
-          ./build_single.sh monero i686-w64-mingw32 -j$(nproc)
-          ./build_single.sh wownero i686-w64-mingw32 -j$(nproc)
+          env DEPENDS_UNTRUSTED_FAST_BUILDS=forced ./build_single.sh ${{ matrix.coin }} ${{ matrix.target }} -j$(nproc)
       - name: rename artifacts
         run: |
-          mkdir release/gh/
-          for i in release/monero/*
-          do
-              cp "$i" "release/gh/monero_$(basename $i)"
-          done
-          for i in release/wownero/*
+          mkdir -p release/gh/
+          for i in release/${{ matrix.coin }}/*
           do
-              cp "$i" "release/gh/wownero_$(basename $i)"
+              cp "$i" "release/gh/${{ matrix.coin }}_$(basename $i)"
           done
       - name: Release
         uses: softprops/action-gh-release@v2
@@ -66,19 +53,16 @@ jobs:
       - name: Upload lib
         uses: actions/upload-artifact@v4
         with:
-          name: mingw monero
-          path: release/monero
-      - name: Upload lib wownero
-        uses: actions/upload-artifact@v4
-        with:
-          name: mingw wownero
-          path: release/wownero
+          name: mingw-${{ matrix.coin }}-${{ matrix.target }}
+          path: release/${{ matrix.coin }}
+
   lib_android:
     strategy:
       fail-fast: false
+      matrix:
+        coin: [monero, wownero, zano]
+        target: [x86_64-linux-android, armv7a-linux-androideabi, aarch64-linux-android]
     runs-on: ubuntu-22.04
-    # container:
-    #   image: debian:bookworm
     steps:
       - name: Free Disk Space
         if: ${{ !startsWith(github.ref, 'refs/tags/v') }}
@@ -110,43 +94,16 @@ jobs:
       - name: ccache
         uses: hendrikmuhs/ccache-action@v1.2
         with:
-          key: ${{ github.job }}
-      - name: Cache built
-        if: ${{ !startsWith(github.ref, 'refs/tags/v') }}
-        uses: actions/cache@v4
-        with:
-          path: |
-            contrib/depends/built/*
-          key: depends-${{ github.job }}-${{ hashFiles('contrib/depends/packages/*.mk') }}
-      - name: monero
-        run: |
-          ./build_single.sh monero x86_64-linux-android -j$(nproc)
-          ./build_single.sh monero armv7a-linux-androideabi -j$(nproc)
-          ./build_single.sh monero aarch64-linux-android -j$(nproc)
-      - name: wownero
-        run: |
-          ./build_single.sh wownero aarch64-linux-android -j$(nproc)
-          ./build_single.sh wownero x86_64-linux-android -j$(nproc)
-          ./build_single.sh wownero armv7a-linux-androideabi -j$(nproc)
-      - name: zano
+          key: ${{ github.job }}-${{ matrix.coin }}-${{ matrix.target }}
+      - name: Build ${{ matrix.coin }} for ${{ matrix.target }}
         run: |
-          ./build_single.sh zano x86_64-linux-android -j$(nproc)
-          ./build_single.sh zano aarch64-linux-android -j$(nproc)
-          ./build_single.sh zano armv7a-linux-androideabi -j$(nproc)
+          env DEPENDS_UNTRUSTED_FAST_BUILDS=forced ./build_single.sh ${{ matrix.coin }} ${{ matrix.target }} -j$(nproc)
       - name: rename artifacts
         run: |
-          mkdir release/gh/
-          for i in release/monero/*
+          mkdir -p release/gh/
+          for i in release/${{ matrix.coin }}/*
           do
-              cp "$i" "release/gh/monero_$(basename $i)"
-          done
-          for i in release/wownero/*
-          do
-              cp "$i" "release/gh/wownero_$(basename $i)"
-          done
-          for i in release/zano/*
-          do
-              cp "$i" "release/gh/zano_$(basename $i)"
+              cp "$i" "release/gh/${{ matrix.coin }}_$(basename $i)"
           done
       - name: Release
         uses: softprops/action-gh-release@v2
@@ -154,28 +111,22 @@ jobs:
         with:
           files: release/gh/*
           token: ${{ secrets.CUSTOM_GITHUB_TOKEN }}
-      - name: Upload lib monero
-        uses: actions/upload-artifact@v4
-        with:
-          name: android monero
-          path: release/monero
-      - name: Upload lib wownero
-        uses: actions/upload-artifact@v4
-        with:
-          name: android wownero
-          path: release/wownero
-      - name: Upload lib zano
+      - name: Upload lib
         uses: actions/upload-artifact@v4
         with:
-          name: android zano
-          path: release/zano
+          name: android-${{ matrix.coin }}-${{ matrix.target }}
+          path: release/${{ matrix.coin }}
       - name: remove android_ndk
         run: |
           rm -rf contrib/depends/built/*/android_ndk
           rm -rf contrib/depends/sources/android-ndk-r26d-linux.zip
+
   lib_linux:
     strategy:
       fail-fast: false
+      matrix:
+        coin: [monero, wownero, zano]
+        target: [x86_64-linux-gnu, aarch64-linux-gnu, i686-linux-gnu]
     runs-on: ubuntu-latest
     container:
       image: debian:bullseye
@@ -199,43 +150,16 @@ jobs:
       - name: ccache
         uses: hendrikmuhs/ccache-action@v1.2
         with:
-          key: ${{ github.job }}
-      - name: Cache built
-        if: ${{ !startsWith(github.ref, 'refs/tags/v') }}
-        uses: actions/cache@v4
-        with:
-          path: |
-            contrib/depends/built/*
-          key: depends-${{ github.job }}-${{ hashFiles('contrib/depends/packages/*.mk') }}
-      - name: x86_64-linux-gnu
-        run: |
-          ./build_single.sh monero x86_64-linux-gnu -j$(nproc)
-          ./build_single.sh wownero x86_64-linux-gnu -j$(nproc)
-          ./build_single.sh zano x86_64-linux-gnu -j$(nproc)
-      - name: aarch64-linux-gnu
-        run: |
-          ./build_single.sh monero aarch64-linux-gnu -j$(nproc)
-          ./build_single.sh wownero aarch64-linux-gnu -j$(nproc)
-          ./build_single.sh zano aarch64-linux-gnu -j$(nproc)
-      - name: i686-linux-gnu
+          key: ${{ github.job }}-${{ matrix.coin }}-${{ matrix.target }}
+      - name: Build ${{ matrix.coin }} for ${{ matrix.target }}
         run: |
-          ./build_single.sh monero i686-linux-gnu -j$(nproc)
-          ./build_single.sh wownero i686-linux-gnu -j$(nproc)
-          ./build_single.sh zano i686-linux-gnu -j$(nproc)
+          env DEPENDS_UNTRUSTED_FAST_BUILDS=forced ./build_single.sh ${{ matrix.coin }} ${{ matrix.target }} -j$(nproc)
       - name: rename artifacts
         run: |
-          mkdir release/gh/
-          for i in release/monero/*
+          mkdir -p release/gh/
+          for i in release/${{ matrix.coin }}/*
           do
-              cp "$i" "release/gh/monero_$(basename $i)"
-          done
-          for i in release/wownero/*
-          do
-              cp "$i" "release/gh/wownero_$(basename $i)"
-          done
-          for i in release/zano/*
-          do
-              cp "$i" "release/gh/zano_$(basename $i)"
+              cp "$i" "release/gh/${{ matrix.coin }}_$(basename $i)"
           done
       - name: Release
         uses: softprops/action-gh-release@v2
@@ -246,23 +170,17 @@ jobs:
       - name: Upload lib
         uses: actions/upload-artifact@v4
         with:
-          name: linux monero
-          path: release/monero
-      - name: Upload lib wownero
-        uses: actions/upload-artifact@v4
-        with:
-          name: linux wownero
-          path: release/wownero
-      - name: Upload lib zano
-        uses: actions/upload-artifact@v4
-        with:
-          name: linux zano
-          path: release/zano
+          name: linux-${{ matrix.coin }}-${{ matrix.target }}
+          path: release/${{ matrix.coin }}
+
   lib_macos:
     strategy:
       fail-fast: false
+      matrix:
+        coin: [monero, wownero, zano]
+        target: [aarch64-apple-darwin, x86_64-apple-darwin]
     name: macos build
-    runs-on: macos-14
+    runs-on: macos-15
     steps:
       - name: Checkout monero_c repo
         uses: actions/checkout@v4
@@ -272,7 +190,7 @@ jobs:
           submodules: recursive
       - uses: maxim-lobanov/setup-xcode@v1
         with:
-          xcode-version: '16.2'
+          xcode-version: '16.4'
       - name: install dependencies
         run: |
           brew install ccache binutils pigz autoconf automake libtool pkg-config
@@ -287,38 +205,16 @@ jobs:
       - name: ccache
         uses: hendrikmuhs/ccache-action@v1.2
         with:
-          key: ${{ github.job }}
-      - name: Cache built
-        if: ${{ !startsWith(github.ref, 'refs/tags/v') }}
-        uses: actions/cache@v4
-        with:
-          path: |
-            contrib/depends/built/*
-          key: depends-${{ github.job }}-${{ hashFiles('contrib/depends/packages/*.mk') }}
-      - name: build (aarch64-apple-darwin)
+          key: ${{ github.job }}-${{ matrix.coin }}-${{ matrix.target }}
+      - name: Build ${{ matrix.coin }} for ${{ matrix.target }}
         run: |
-          ./build_single.sh monero aarch64-apple-darwin -j$(sysctl -n hw.logicalcpu)
-          ./build_single.sh wownero aarch64-apple-darwin -j$(sysctl -n hw.logicalcpu)
-          ./build_single.sh zano aarch64-apple-darwin -j$(sysctl -n hw.logicalcpu)
-      - name: build (x86_64-apple-darwin)
-        run: |
-          ./build_single.sh monero x86_64-apple-darwin -j$(sysctl -n hw.logicalcpu)
-          ./build_single.sh wownero x86_64-apple-darwin -j$(sysctl -n hw.logicalcpu)
-          ./build_single.sh zano x86_64-apple-darwin -j$(sysctl -n hw.logicalcpu)
+          env DEPENDS_UNTRUSTED_FAST_BUILDS=forced ./build_single.sh ${{ matrix.coin }} ${{ matrix.target }} -j$(sysctl -n hw.logicalcpu)
       - name: rename artifacts
         run: |
-          mkdir release/gh/
-          for i in release/monero/*
-          do
-              cp "$i" "release/gh/monero_$(basename $i)"
-          done
-          for i in release/wownero/*
-          do
-              cp "$i" "release/gh/wownero_$(basename $i)"
-          done
-          for i in release/zano/*
+          mkdir -p release/gh/
+          for i in release/${{ matrix.coin }}/*
           do
-              cp "$i" "release/gh/zano_$(basename $i)"
+              cp "$i" "release/gh/${{ matrix.coin }}_$(basename $i)"
           done
       - name: Release
         uses: softprops/action-gh-release@v2
@@ -329,21 +225,15 @@ jobs:
       - name: Upload lib
         uses: actions/upload-artifact@v4
         with:
-          name: macos monero
-          path: release/monero
-      - name: Upload lib wownero
-        uses: actions/upload-artifact@v4
-        with:
-          name: macos wownero
-          path: release/wownero
-      - name: Upload lib zano
-        uses: actions/upload-artifact@v4
-        with:
-          name: macos zano
-          path: release/zano
+          name: macos-${{ matrix.coin }}-${{ matrix.target }}
+          path: release/${{ matrix.coin }}
+
   lib_ios:
     strategy:
       fail-fast: false
+      matrix:
+        coin: [monero, wownero, zano]
+        target: [aarch64-apple-ios, aarch64-apple-iossimulator]
     name: ios build
     runs-on: macos-15
     steps:
@@ -355,7 +245,7 @@ jobs:
           submodules: recursive
       - uses: maxim-lobanov/setup-xcode@v1
         with:
-          xcode-version: '16.2'
+          xcode-version: '16.4'
       - name: install dependencies
         run: |
           brew install ccache cmake autoconf automake libtool
@@ -370,40 +260,16 @@ jobs:
       - name: ccache
         uses: hendrikmuhs/ccache-action@v1.2
         with:
-          key: ${{ github.job }}
-      - name: Cache built
-        if: ${{ !startsWith(github.ref, 'refs/tags/v') }}
-        uses: actions/cache@v4
-        with:
-          path: |
-            contrib/depends/built/*
-          key: depends-${{ github.job }}-${{ hashFiles('contrib/depends/packages/*.mk') }}
-      - name: build (aarch64-apple-ios)
+          key: ${{ github.job }}-${{ matrix.coin }}-${{ matrix.target }}
+      - name: Build ${{ matrix.coin }} for ${{ matrix.target }}
         run: |
-          ./build_single.sh monero aarch64-apple-ios -j$(sysctl -n hw.logicalcpu)
-          ./build_single.sh wownero aarch64-apple-ios -j$(sysctl -n hw.logicalcpu)
-          ./build_single.sh zano aarch64-apple-ios -j$(sysctl -n hw.logicalcpu)
-
-      - name: build (aarch64-apple-iossimulator)
-        run: |
-          ./build_single.sh monero aarch64-apple-iossimulator -j$(sysctl -n hw.logicalcpu)
-          ./build_single.sh wownero aarch64-apple-iossimulator -j$(sysctl -n hw.logicalcpu)
-          ./build_single.sh zano aarch64-apple-iossimulator -j$(sysctl -n hw.logicalcpu)
-
+          env DEPENDS_UNTRUSTED_FAST_BUILDS=forced ./build_single.sh ${{ matrix.coin }} ${{ matrix.target }} -j$(sysctl -n hw.logicalcpu)
       - name: rename artifacts
         run: |
-          mkdir release/gh/
-          for i in release/monero/*
-          do
-              cp "$i" "release/gh/monero_$(basename $i)"
-          done
-          for i in release/wownero/*
-          do
-              cp "$i" "release/gh/wownero_$(basename $i)"
-          done
-          for i in release/zano/*
+          mkdir -p release/gh/
+          for i in release/${{ matrix.coin }}/*
           do
-              cp "$i" "release/gh/zano_$(basename $i)"
+              cp "$i" "release/gh/${{ matrix.coin }}_$(basename $i)"
           done
       - name: Release
         uses: softprops/action-gh-release@v2
@@ -414,100 +280,123 @@ jobs:
       - name: Upload lib
         uses: actions/upload-artifact@v4
         with:
-          name: ios monero
-          path: release/monero
-      - name: Upload lib wownero
-        uses: actions/upload-artifact@v4
-        with:
-          name: ios wownero
-          path: release/wownero
-      - name: Upload lib zano
-        uses: actions/upload-artifact@v4
-        with:
-          name: ios zano
-          path: release/zano
+          name: ios-${{ matrix.coin }}-${{ matrix.target }}
+          path: release/${{ matrix.coin }}
+
   bulk_lib_release:
     name: create single release file
     runs-on: ubuntu-latest
-    needs: [
-      lib_mingw, lib_android, lib_linux, lib_macos, lib_ios
-    ]
+    needs: [lib_mingw, lib_android, lib_linux, lib_macos, lib_ios]
+    strategy:
+      matrix:
+        coin: [monero, wownero, zano]
+        platform: [android, ios, linux, macos]
+        include:
+          - coin: monero
+            platform: mingw
+          - coin: wownero
+            platform: mingw
     steps:
-      - uses: actions/download-artifact@v4
-        with:
-          name: android monero
-          path: release/monero
-      - uses: actions/download-artifact@v4
-        with:
-          name: android wownero
-          path: release/wownero
-      - uses: actions/download-artifact@v4
-        with:
-          name: android zano
-          path: release/zano
-      - uses: actions/download-artifact@v4
-        with:
-          name: ios monero
-          path: release/monero
-      - uses: actions/download-artifact@v4
-        with:
-          name: ios wownero
-          path: release/wownero
-      - uses: actions/download-artifact@v4
-        with:
-          name: ios zano
-          path: release/zano
-      - uses: actions/download-artifact@v4
-        with:
-          name: linux monero
-          path: release/monero
-      - uses: actions/download-artifact@v4
-        with:
-          name: linux wownero
-          path: release/wownero
-      - uses: actions/download-artifact@v4
-        with:
-          name: linux zano
-          path: release/zano
-      - uses: actions/download-artifact@v4
-        with:
-          name: macos monero
-          path: release/monero
-      - uses: actions/download-artifact@v4
-        with:
-          name: macos wownero
-          path: release/wownero
-      - uses: actions/download-artifact@v4
-        with:
-          name: macos zano
-          path: release/zano
-      - uses: actions/download-artifact@v4
-        with:
-          name: mingw monero
-          path: release/monero
-      - uses: actions/download-artifact@v4
+      - name: Create release directory
+        run: mkdir -p release/${{ matrix.coin }}
+      
+      - name: Download Android artifacts
+        if: matrix.platform == 'android'
+        uses: actions/download-artifact@v4
+        with:
+          pattern: android-${{ matrix.coin }}-*
+          path: temp-android
+          merge-multiple: true
+      
+      - name: Download iOS artifacts
+        if: matrix.platform == 'ios'
+        uses: actions/download-artifact@v4
+        with:
+          pattern: ios-${{ matrix.coin }}-*
+          path: temp-ios
+          merge-multiple: true
+      
+      - name: Download Linux artifacts
+        if: matrix.platform == 'linux'
+        uses: actions/download-artifact@v4
+        with:
+          pattern: linux-${{ matrix.coin }}-*
+          path: temp-linux
+          merge-multiple: true
+      
+      - name: Download macOS artifacts
+        if: matrix.platform == 'macos'
+        uses: actions/download-artifact@v4
+        with:
+          pattern: macos-${{ matrix.coin }}-*
+          path: temp-macos
+          merge-multiple: true
+      
+      - name: Download MinGW artifacts
+        if: matrix.platform == 'mingw' && (matrix.coin == 'monero' || matrix.coin == 'wownero')
+        uses: actions/download-artifact@v4
+        with:
+          pattern: mingw-${{ matrix.coin }}-*
+          path: temp-mingw
+          merge-multiple: true
+      
+      - name: Copy artifacts to release directory
+        run: |
+          if [ -d "temp-${{ matrix.platform }}" ]; then
+            cp -r temp-${{ matrix.platform }}/* release/${{ matrix.coin }}/
+          fi
+      
+      - name: Upload consolidated artifacts
+        uses: actions/upload-artifact@v4
         with:
-          name: mingw wownero
-          path: release/wownero
+          name: ${{ matrix.platform }}-${{ matrix.coin }}-all
+          path: release/${{ matrix.coin }}
+
+  final_bulk_release:
+    name: create final release bundle
+    runs-on: ubuntu-latest
+    needs: [bulk_lib_release]
+    steps:
+      - name: Create release directory
+        run: mkdir -p release/{monero,wownero,zano}
+      
+      - name: Download all consolidated artifacts
+        uses: actions/download-artifact@v4
+        with:
+          pattern: "*-all"
+          path: temp-all
+      
+      - name: Reorganize artifacts
+        run: |
+          # Move all artifacts to their respective coin directories
+          for coin in monero wownero zano; do
+            find temp-all -name "*-${coin}-all" -type d | while read dir; do
+              if [ -d "$dir" ]; then
+                cp -r "$dir"/* "release/${coin}/" 2>/dev/null || true
+              fi
+            done
+          done
+      
       - name: zip release dir
         run: zip -r release-bundle.zip release
+      
       - name: Release
         uses: softprops/action-gh-release@v2
         if: startsWith(github.ref, 'refs/tags/')
         with:
           files: release-bundle.zip
           token: ${{ secrets.CUSTOM_GITHUB_TOKEN }}
-      - name: Upload lib
+      
+      - name: Upload final bundle
         uses: actions/upload-artifact@v4
         with:
           name: release-bulk
           path: release
+
   deno_monerots_test_linux:
     name: test ts library
     runs-on: ubuntu-24.04
-    needs: [
-      lib_linux
-    ]
+    needs: [lib_linux]
     steps:
       - uses: actions/checkout@v4
         with:
@@ -515,10 +404,13 @@ jobs:
           submodules: recursive
       - uses: actions/download-artifact@v4
         with:
-          name: linux monero
-          path: release/monero
+          pattern: linux-monero-x86_64-linux-gnu
+          path: temp-linux-monero
+          merge-multiple: true
       - name: unpack and move monero_c
         run: |
+          mkdir -p release/monero
+          cp -r temp-linux-monero/* release/monero/
           unxz -f -k release/*/*.xz
       - uses: denoland/setup-deno@v1
         with:
@@ -542,9 +434,7 @@ jobs:
       fail-fast: false
       matrix:
         coin: [monero, wownero]
-    needs: [
-      lib_linux
-    ]
+    needs: [lib_linux]
     runs-on: ubuntu-24.04
     steps:
       - uses: denoland/setup-deno@v2
@@ -558,8 +448,14 @@ jobs:
 
       - uses: actions/download-artifact@v4
         with:
-          name: linux ${{ matrix.coin }}
-          path: release/${{ matrix.coin }}
+          pattern: linux-${{ matrix.coin }}-*
+          path: temp-linux-${{ matrix.coin }}
+          merge-multiple: true
+
+      - name: Setup release directory
+        run: |
+          mkdir -p release/${{ matrix.coin }}
+          cp -r temp-linux-${{ matrix.coin }}/* release/${{ matrix.coin }}/
 
       - name: Run regression tests
         run: COIN="${{ matrix.coin }}" deno test -A tests/regression.test.ts
@@ -569,10 +465,8 @@ jobs:
     strategy:
       matrix:
         coin: [monero, wownero]
-    needs: [
-      lib_macos
-    ]
-    runs-on: macos-14
+    needs: [lib_macos]
+    runs-on: macos-15
     steps:
       - uses: denoland/setup-deno@v2
         with:
@@ -585,8 +479,14 @@ jobs:
 
       - uses: actions/download-artifact@v4
         with:
-          name: macos ${{ matrix.coin }}
-          path: release/${{ matrix.coin }}
+          pattern: macos-${{ matrix.coin }}-*
+          path: temp-macos-${{ matrix.coin }}
+          merge-multiple: true
+
+      - name: Setup release directory
+        run: |
+          mkdir -p release/${{ matrix.coin }}
+          cp -r temp-macos-${{ matrix.coin }}/* release/${{ matrix.coin }}/
 
       - name: Run regression tests
         run: COIN="${{ matrix.coin }}" deno test -A tests/regression.test.ts
@@ -596,9 +496,7 @@ jobs:
     strategy:
       matrix:
         coin: [monero, wownero]
-    needs: [
-      lib_linux
-    ]
+    needs: [lib_linux]
     runs-on: ubuntu-24.04
     steps:
       - uses: denoland/setup-deno@v2
@@ -612,8 +510,14 @@ jobs:
 
       - uses: actions/download-artifact@v4
         with:
-          name: linux ${{ matrix.coin }}
-          path: release/${{ matrix.coin }}
+          pattern: linux-${{ matrix.coin }}-*
+          path: temp-linux-${{ matrix.coin }}
+          merge-multiple: true
+
+      - name: Setup release directory
+        run: |
+          mkdir -p release/${{ matrix.coin }}
+          cp -r temp-linux-${{ matrix.coin }}/* release/${{ matrix.coin }}/
 
       - name: Run integration tests
         run: COIN="${{ matrix.coin }}" deno test -A tests/integration.test.ts
@@ -622,16 +526,13 @@ jobs:
           SECRET_WALLET_MNEMONIC: ${{ secrets.SECRET_WALLET_MNEMONIC }}
           SECRET_WALLET_RESTORE_HEIGHT: ${{ secrets.SECRET_WALLET_RESTORE_HEIGHT }}
 
-
   integration_tests_macos:
     name: macos integration tests
     strategy:
       matrix:
         coin: [monero, wownero]
-    needs: [
-      lib_macos
-    ]
-    runs-on: macos-14
+    needs: [lib_macos]
+    runs-on: macos-15
     steps:
       - uses: denoland/setup-deno@v2
         with:
@@ -644,8 +545,14 @@ jobs:
 
       - uses: actions/download-artifact@v4
         with:
-          name: macos ${{ matrix.coin }}
-          path: release/${{ matrix.coin }}
+          pattern: macos-${{ matrix.coin }}-*
+          path: temp-macos-${{ matrix.coin }}
+          merge-multiple: true
+
+      - name: Setup release directory
+        run: |
+          mkdir -p release/${{ matrix.coin }}
+          cp -r temp-macos-${{ matrix.coin }}/* release/${{ matrix.coin }}/
 
       - name: Run integration tests
         run: COIN="${{ matrix.coin }}" deno test -A tests/integration.test.ts
@@ -654,13 +561,10 @@ jobs:
           SECRET_WALLET_MNEMONIC: ${{ secrets.SECRET_WALLET_MNEMONIC }}
           SECRET_WALLET_RESTORE_HEIGHT: ${{ secrets.SECRET_WALLET_RESTORE_HEIGHT }}
 
-
   comment_pr:
     name: comment on pr
     runs-on: ubuntu-latest
-    needs: [
-      lib_mingw, lib_android, lib_linux, lib_macos, lib_ios,
-    ]
+    needs: [lib_mingw, lib_android, lib_linux, lib_macos, lib_ios]
     steps:
       - uses: actions/github-script@v7
         continue-on-error: true
diff --git a/build_single.sh b/build_single.sh
index c0ace0d..77d5a52 100755
--- a/build_single.sh
+++ b/build_single.sh
@@ -59,7 +59,7 @@ pushd contrib/depends
     then
         echo "Not building depends, directory exists"
     else
-        env -i PATH="$PATH" CC=gcc CXX=g++ make "$NPROC" HOST="$HOST_ABI"
+        env -i PATH="$PATH" CC=gcc CXX=g++ make "$NPROC" HOST="$HOST_ABI" DEPENDS_UNTRUSTED_FAST_BUILDS=$DEPENDS_UNTRUSTED_FAST_BUILDS
     fi
 popd
 
diff --git a/contrib/depends/Jenkinsfile b/contrib/depends/Jenkinsfile
new file mode 100644
index 0000000..5f364ac
--- /dev/null
+++ b/contrib/depends/Jenkinsfile
@@ -0,0 +1,208 @@
+pipeline {
+    agent none
+    
+    parameters {
+        string(
+            name: 'LINUX_TARGETS',
+            defaultValue: 'x86_64-linux-gnu,aarch64-linux-gnu,i686-linux-gnu',
+            description: 'Comma-separated list of Linux targets to build'
+        )
+        string(
+            name: 'ANDROID_TARGETS',
+            defaultValue: 'x86_64-linux-android,armv7a-linux-androideabi,aarch64-linux-android',
+            description: 'Comma-separated list of Android targets to build'
+        )
+        string(
+            name: 'MINGW_TARGETS',
+            defaultValue: 'x86_64-w64-mingw32,i686-w64-mingw32',
+            description: 'Comma-separated list of MinGW targets to build'
+        )
+        string(
+            name: 'DARWIN_TARGETS', 
+            defaultValue: 'aarch64-apple-darwin,x86_64-apple-darwin,aarch64-apple-ios,aarch64-apple-iossimulator',
+            description: 'Comma-separated list of Darwin targets to build'
+        )
+    }
+    
+    stages {
+        stage('Check Changes') {
+            agent any
+            steps {
+                script {
+                    def changes = sh(
+                        script: "git diff --name-only HEAD~1 HEAD | grep '^contrib/depends' || echo 'NO_CHANGES'",
+                        returnStdout: true
+                    ).trim()
+                    
+                    if (changes == 'NO_CHANGES') {
+                        echo "No changes detected in contrib/depends directory. Skipping build."
+                        currentBuild.result = 'NOT_BUILT'
+                        return
+                    } else {
+                        echo "Changes detected in contrib/depends directory:"
+                        echo changes
+                    }
+                }
+            }
+        }
+        
+        stage('Build Dependencies') {
+            when {
+                not { 
+                    equals expected: 'NOT_BUILT', actual: currentBuild.result 
+                }
+            }
+            parallel {
+                stage('Linux Builds') {
+                    agent {
+                        dockerfile {
+                            filename '.devcontainer/Dockerfile'
+                            args '-v /opt/builds:/opt/builds'
+                            label 'linux && amd64'
+                        }
+                    }
+                    steps {
+                        script {
+                            def targets = params.LINUX_TARGETS.split(',').collect { it.trim() }
+                            
+                            checkout scm
+                            
+                            for (target in targets) {
+                                echo "Building Linux dependencies for ${target}"
+                                
+                                dir('contrib/depends') {
+                                    sh "rm -rf built/${target}/*"
+                                    sh "make HOST=${target} DEPENDS_UNTRUSTED_FAST_BUILDS=yes"
+                                }
+                            }
+                        }
+                    }
+                    post {
+                        always {
+                            script {
+                                def targets = params.LINUX_TARGETS.split(',').collect { it.trim() }
+                                for (target in targets) {
+                                    // archiveArtifacts artifacts: "contrib/depends/built/${target}/*/*.tar.gz*", allowEmptyArchive: true
+                                    sshPublisher(publishers: [sshPublisherDesc(configName: 'static.mrcyjanek.net', transfers: [sshTransfer(cleanRemote: false, excludes: '', execCommand: '', execTimeout: 120000, flatten: false, makeEmptyDirs: false, noDefaultExcludes: false, patternSeparator: '[, ]+', remoteDirectory: 'depends', remoteDirectorySDF: false, sourceFiles: "contrib/depends/built/${target}/*/*.tar.gz*")], usePromotionTimestamp: false, useWorkspaceInPromotion: false, verbose: false)])
+                                }
+                            }
+                        }
+                    }
+                }
+
+                stage('Android Builds') {
+                    agent {
+                        dockerfile {
+                            filename '.devcontainer/Dockerfile'
+                            args '-v /opt/builds:/opt/builds'
+                            label 'linux && amd64'
+                        }
+                    }
+                    steps {
+                        script {
+                            def targets = params.ANDROID_TARGETS.split(',').collect { it.trim() }
+                            
+                            checkout scm
+                            
+                            for (target in targets) {
+                                echo "Building Android dependencies for ${target}"
+                                
+                                dir('contrib/depends') {
+                                    sh "rm -rf built/${target}/*"
+                                    sh "make HOST=${target} DEPENDS_UNTRUSTED_FAST_BUILDS=yes"
+                                }
+                            }
+                        }
+                    }
+                    post {
+                        always {
+                            script {
+                                def targets = params.ANDROID_TARGETS.split(',').collect { it.trim() }
+                                for (target in targets) {
+                                    // archiveArtifacts artifacts: "contrib/depends/built/${target}/*/*.tar.gz*", allowEmptyArchive: true
+                                    sshPublisher(publishers: [sshPublisherDesc(configName: 'static.mrcyjanek.net', transfers: [sshTransfer(cleanRemote: false, excludes: '', execCommand: '', execTimeout: 120000, flatten: false, makeEmptyDirs: false, noDefaultExcludes: false, patternSeparator: '[, ]+', remoteDirectory: 'depends', remoteDirectorySDF: false, sourceFiles: "contrib/depends/built/${target}/*/*.tar.gz*")], usePromotionTimestamp: false, useWorkspaceInPromotion: false, verbose: false)])
+                                }
+                            }
+                        }
+                    }
+                }
+
+                stage('MinGW Builds') {
+                    agent {
+                        dockerfile {
+                            filename '.devcontainer/Dockerfile'
+                            args '-v /opt/builds:/opt/builds'
+                            label 'linux && amd64'
+                        }
+                    }
+                    steps {
+                        script {
+                            def targets = params.MINGW_TARGETS.split(',').collect { it.trim() }
+                            
+                            checkout scm
+                            
+                            for (target in targets) {
+                                echo "Building MinGW dependencies for ${target}"
+                                
+                                dir('contrib/depends') {
+                                    sh "rm -rf built/${target}/*"
+                                    sh "make HOST=${target} DEPENDS_UNTRUSTED_FAST_BUILDS=yes"
+                                }
+                            }
+                        }
+                    }
+                    post {
+                        always {
+                            script {
+                                def targets = params.MINGW_TARGETS.split(',').collect { it.trim() }
+                                for (target in targets) {
+                                    // archiveArtifacts artifacts: "contrib/depends/built/${target}/*/*.tar.gz*", allowEmptyArchive: true
+                                    sshPublisher(publishers: [sshPublisherDesc(configName: 'static.mrcyjanek.net', transfers: [sshTransfer(cleanRemote: false, excludes: '', execCommand: '', execTimeout: 120000, flatten: false, makeEmptyDirs: false, noDefaultExcludes: false, patternSeparator: '[, ]+', remoteDirectory: 'depends', remoteDirectorySDF: false, sourceFiles: "contrib/depends/built/${target}/*/*.tar.gz*")], usePromotionTimestamp: false, useWorkspaceInPromotion: false, verbose: false)])
+                                }
+                            }
+                        }
+                    }
+                }
+                
+                stage('Darwin Builds') {
+                    agent {
+                        label 'darwin && arm64'
+                    }
+                    steps {
+                        script {
+                            def targets = params.DARWIN_TARGETS.split(',').collect { it.trim() }
+                            
+                            checkout scm
+                            
+                            for (target in targets) {
+                                echo "Building dependencies for ${target}"
+                                
+                                dir('contrib/depends') {
+                                    sh "rm -rf built/${target}/*"
+                                    sh "make HOST=${target} DEPENDS_UNTRUSTED_FAST_BUILDS=yes"
+                                }
+                            }
+                        }
+                    }
+                    post {
+                        always {
+                            script {
+                                def targets = params.DARWIN_TARGETS.split(',').collect { it.trim() }
+                                for (target in targets) {
+                                    // archiveArtifacts artifacts: "contrib/depends/built/${target}/*/*.tar.gz*", allowEmptyArchive: true
+                                    sshPublisher(publishers: [sshPublisherDesc(configName: 'static.mrcyjanek.net', transfers: [sshTransfer(cleanRemote: false, excludes: '', execCommand: '', execTimeout: 120000, flatten: false, makeEmptyDirs: false, noDefaultExcludes: false, patternSeparator: '[, ]+', remoteDirectory: 'depends', remoteDirectorySDF: false, sourceFiles: "contrib/depends/built/${target}/*/*.tar.gz*")], usePromotionTimestamp: false, useWorkspaceInPromotion: false, verbose: false)])
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+    
+    post {
+        always {
+            echo "Build completed."
+        }
+    }
+} 
\ No newline at end of file
diff --git a/contrib/depends/Makefile b/contrib/depends/Makefile
index dd357c8..7e9f0f4 100644
--- a/contrib/depends/Makefile
+++ b/contrib/depends/Makefile
@@ -13,6 +13,17 @@ DOWNLOAD_CONNECT_TIMEOUT:=30
 DOWNLOAD_RETRIES:=5
 HOST_ID_SALT ?= salt
 BUILD_ID_SALT ?= salt
+
+DEPENDS_UNTRUSTED_FAST_BUILDS ?= 
+PREBUILT_BASE_URL ?= https://static.mrcyjanek.net/lfs/depends/contrib/depends/built
+ifneq ($(DEPENDS_UNTRUSTED_FAST_BUILDS),)
+ifneq ($(DEPENDS_UNTRUSTED_FAST_BUILDS),yes)
+ifneq ($(DEPENDS_UNTRUSTED_FAST_BUILDS),forced)
+$(error DEPENDS_UNTRUSTED_FAST_BUILDS must be empty, "yes", or "forced", got "$(DEPENDS_UNTRUSTED_FAST_BUILDS)")
+endif
+endif
+endif
+
 # Detect the number of CPU cores
 ifeq ($(shell uname), Darwin)
     NUM_CORES := $(shell sysctl -n hw.ncpu)
@@ -110,19 +121,34 @@ include builders/$(build_os).mk
 include builders/default.mk
 include packages/packages.mk
 
+# Legacy build ID strings (kept for debugging info)
+build_id_string_legacy:=$(BUILD_ID_SALT)
+build_id_string_legacy+=$(shell $(build_CC) --version 2>/dev/null)
+build_id_string_legacy+=$(shell $(build_AR) --version 2>/dev/null)
+build_id_string_legacy+=$(shell $(build_CXX) --version 2>/dev/null)
+build_id_string_legacy+=$(shell $(build_RANLIB) --version 2>/dev/null)
+build_id_string_legacy+=$(shell $(build_STRIP) --version 2>/dev/null)
+
+$(host_arch)_$(host_os)_id_string_legacy:=$(HOST_ID_SALT)
+$(host_arch)_$(host_os)_id_string_legacy+=$(shell $(host_CC) --version 2>/dev/null)
+$(host_arch)_$(host_os)_id_string_legacy+=$(shell $(host_AR) --version 2>/dev/null)
+$(host_arch)_$(host_os)_id_string_legacy+=$(shell $(host_CXX) --version 2>/dev/null)
+$(host_arch)_$(host_os)_id_string_legacy+=$(shell $(host_RANLIB) --version 2>/dev/null)
+$(host_arch)_$(host_os)_id_string_legacy+=$(shell $(host_STRIP) --version 2>/dev/null)
+
 build_id_string:=$(BUILD_ID_SALT)
-build_id_string+=$(shell $(build_CC) --version 2>/dev/null)
-build_id_string+=$(shell $(build_AR) --version 2>/dev/null)
-build_id_string+=$(shell $(build_CXX) --version 2>/dev/null)
-build_id_string+=$(shell $(build_RANLIB) --version 2>/dev/null)
-build_id_string+=$(shell $(build_STRIP) --version 2>/dev/null)
+build_id_string+=$(shell basename $(build_CC) 2>/dev/null || echo "unknown")
+build_id_string+=$(shell basename $(build_AR) 2>/dev/null || echo "unknown")
+build_id_string+=$(shell basename $(build_CXX) 2>/dev/null || echo "unknown")
+build_id_string+=$(shell basename $(build_RANLIB) 2>/dev/null || echo "unknown")
+build_id_string+=$(shell basename $(build_STRIP) 2>/dev/null || echo "unknown")
 
 $(host_arch)_$(host_os)_id_string:=$(HOST_ID_SALT)
-$(host_arch)_$(host_os)_id_string+=$(shell $(host_CC) --version 2>/dev/null)
-$(host_arch)_$(host_os)_id_string+=$(shell $(host_AR) --version 2>/dev/null)
-$(host_arch)_$(host_os)_id_string+=$(shell $(host_CXX) --version 2>/dev/null)
-$(host_arch)_$(host_os)_id_string+=$(shell $(host_RANLIB) --version 2>/dev/null)
-$(host_arch)_$(host_os)_id_string+=$(shell $(host_STRIP) --version 2>/dev/null)
+$(host_arch)_$(host_os)_id_string+=$(shell basename $(host_CC) 2>/dev/null || echo "unknown")
+$(host_arch)_$(host_os)_id_string+=$(shell basename $(host_AR) 2>/dev/null || echo "unknown")
+$(host_arch)_$(host_os)_id_string+=$(shell basename $(host_CXX) 2>/dev/null || echo "unknown")
+$(host_arch)_$(host_os)_id_string+=$(shell basename $(host_RANLIB) 2>/dev/null || echo "unknown")
+$(host_arch)_$(host_os)_id_string+=$(shell basename $(host_STRIP) 2>/dev/null || echo "unknown")
 
 packages += $($(host_arch)_$(host_os)_packages) $($(host_os)_packages)
 native_packages += $($(host_arch)_$(host_os)_native_packages) $($(host_os)_native_packages)
@@ -204,8 +230,8 @@ $(host_prefix)/share/toolchain.cmake : toolchain.cmake.in $(host_prefix)/.stamp_
 define check_or_remove_cached
   mkdir -p $(BASE_CACHE)/$(host)/$(package) && cd $(BASE_CACHE)/$(host)/$(package); \
   $(build_SHA256SUM) -c $($(package)_cached_checksum) >/dev/null 2>/dev/null || \
-  ( rm -f $($(package)_cached_checksum); \
-    if test -f "$($(package)_cached)"; then echo "Checksum mismatch for $(package). Forcing rebuild.."; rm -f $($(package)_cached_checksum) $($(package)_cached); fi )
+  ( rm -f $($(package)_cached_checksum) $($(package)_cached_buildinfo); \
+    if test -f "$($(package)_cached)"; then echo "Checksum mismatch for $(package). Forcing rebuild.."; rm -f $($(package)_cached_checksum) $($(package)_cached) $($(package)_cached_buildinfo); fi )
 endef
 
 define check_or_remove_sources
diff --git a/contrib/depends/funcs.mk b/contrib/depends/funcs.mk
index 70b592f..757c941 100644
--- a/contrib/depends/funcs.mk
+++ b/contrib/depends/funcs.mk
@@ -36,7 +36,7 @@ define fetch_file
 endef
 
 define int_get_build_recipe_hash
-$(eval $(1)_all_file_checksums:=$(shell $(build_SHA256SUM) $(meta_depends) packages/$(1).mk $(addprefix $(PATCHES_PATH)/$(1)/,$($(1)_patches)) | cut -d" " -f1))
+$(eval $(1)_all_file_checksums:=$(shell cd $(BASEDIR) && $(build_SHA256SUM) $(subst $(BASEDIR)/,,$(meta_depends)) packages/$(1).mk $(addprefix patches/$(1)/,$($(1)_patches)) 2>/dev/null | cut -d" " -f1))
 $(eval $(1)_recipe_hash:=$(shell echo -n "$($(1)_all_file_checksums)" | $(build_SHA256SUM) | cut -d" " -f1))
 endef
 
@@ -46,6 +46,8 @@ $(eval $(1)_all_dependencies:=$(call int_get_all_dependencies,$(1),$($($(1)_type
 $(foreach dep,$($(1)_all_dependencies),$(eval $(1)_build_id_deps+=$(dep)-$($(dep)_version)-$($(dep)_recipe_hash)))
 $(eval $(1)_build_id_long:=$(1)-$($(1)_version)-$($(1)_recipe_hash)-$(release_type) $($(1)_build_id_deps) $($($(1)_type)_id_string))
 $(eval $(1)_build_id:=$(shell echo -n "$($(1)_build_id_long)" | $(build_SHA256SUM) | cut -c-$(HASH_LENGTH)))
+$(eval $(1)_build_id_long_legacy:=$(1)-$($(1)_version)-$($(1)_recipe_hash)-$(release_type) $($(1)_build_id_deps) $($($(1)_type)_id_string_legacy))
+$(eval $(1)_build_id_legacy:=$(shell echo -n "$($(1)_build_id_long_legacy)" | $(build_SHA256SUM) | cut -c-$(HASH_LENGTH)))
 final_build_id_long+=$($(package)_build_id_long)
 
 #compute package-specific paths
@@ -59,10 +61,14 @@ $(1)_extract_dir:=$(base_build_dir)/$(host)/$(1)/$($(1)_version)-$($(1)_build_id
 $(1)_download_dir:=$(base_download_dir)/$(1)-$($(1)_version)
 $(1)_build_dir:=$$($(1)_extract_dir)/$$($(1)_build_subdir)
 $(1)_cached_checksum:=$(BASE_CACHE)/$(host)/$(1)/$(1)-$($(1)_version)-$($(1)_build_id).tar.gz.hash
+$(1)_cached_buildinfo:=$(BASE_CACHE)/$(host)/$(1)/$(1)-$($(1)_version)-$($(1)_build_id).tar.gz.txt
 $(1)_patch_dir:=$(base_build_dir)/$(host)/$(1)/$($(1)_version)-$($(1)_build_id)/.patches-$($(1)_build_id)
 $(1)_prefixbin:=$($($(1)_type)_prefix)/bin/
 $(1)_cached:=$(BASE_CACHE)/$(host)/$(1)/$(1)-$($(1)_version)-$($(1)_build_id).tar.gz
 $(1)_all_sources=$($(1)_file_name) $($(1)_extra_sources)
+$(1)_prebuilt_url:=$(PREBUILT_BASE_URL)/$(host)/$(1)/$(1)-$($(1)_version)-$($(1)_build_id).tar.gz
+$(1)_prebuilt_checksum_url:=$(PREBUILT_BASE_URL)/$(host)/$(1)/$(1)-$($(1)_version)-$($(1)_build_id).tar.gz.hash
+$(1)_prebuilt_buildinfo_url:=$(PREBUILT_BASE_URL)/$(host)/$(1)/$(1)-$($(1)_version)-$($(1)_build_id).tar.gz.txt
 
 #stamps
 $(1)_fetched=$(SOURCES_PATH)/download-stamps/.stamp_fetched-$(1)-$($(1)_file_name).hash
@@ -73,6 +79,8 @@ $(1)_built=$$($(1)_build_dir)/.stamp_built
 $(1)_configured=$$($(1)_build_dir)/.stamp_configured
 $(1)_staged=$$($(1)_staging_dir)/.stamp_staged
 $(1)_postprocessed=$$($(1)_staging_prefix_dir)/.stamp_postprocessed
+$(1)_prebuilt_downloaded:=$(BASE_CACHE)/$(host)/$(1)/.stamp_prebuilt_downloaded-$($(1)_build_id)
+$(1)_cached_or_prebuilt:=$(BASE_CACHE)/$(host)/$(1)/.stamp_cached_or_prebuilt-$($(1)_build_id)
 $(1)_download_path_fixed=$(subst :,\:,$$($(1)_download_path))
 
 
@@ -198,61 +206,183 @@ COMPRESS_CMD := $(shell if command -v pigz >/dev/null 2>&1; then echo "pigz"; el
 
 define int_add_cmds
 $($(1)_fetched):
+	$(AT)echo "=== Fetching $(1) v$($(1)_version) ==="
+	$(AT)echo "  Source directory: $($(1)_source_dir)"
+	$(AT)echo "  Download file: $($(1)_download_file)"
 	$(AT)mkdir -p $$(@D) $(SOURCES_PATH)
 	$(AT)rm -f $$@
 	$(AT)touch $$@
 	$(AT)cd $$(@D); $(call $(1)_fetch_cmds,$(1))
 	$(AT)cd $($(1)_source_dir); $(foreach source,$($(1)_all_sources),$(build_SHA256SUM) $(source) >> $$(@);)
+	$(AT)echo "  Fetch completed: $$@"
 	$(AT)touch $$@
 $($(1)_extracted): | $($(1)_fetched)
-	$(AT)echo Extracting $(1)...
+	$(AT)echo "=== Extracting $(1) v$($(1)_version) ==="
+	$(AT)echo "  Build ID: $($(1)_build_id)"
+	$(AT)echo "  Extract directory: $($(1)_extract_dir)"
 	$(AT)mkdir -p $$(@D)
 	$(AT)cd $$(@D); $(call $(1)_extract_cmds,$(1))
+	$(AT)echo "  Extract completed: $$@"
 	$(AT)touch $$@
 $($(1)_preprocessed): | $($(1)_dependencies) $($(1)_extracted)
-	$(AT)echo Preprocessing $(1)...
+	$(AT)echo "=== Preprocessing $(1) v$($(1)_version) ==="
+	$(AT)echo "  Dependencies: $($(1)_dependencies)"
+	$(AT)echo "  Patch directory: $($(1)_patch_dir)"
+	$(AT)echo "  Patches: $($(1)_patches)"
 	$(AT)mkdir -p $$(@D) $($(1)_patch_dir)
 	$(AT)$(foreach patch,$($(1)_patches),cd $(PATCHES_PATH)/$(1); cp $(patch) $($(1)_patch_dir) ;)
 	$(AT)cd $$(@D); $(call $(1)_preprocess_cmds, $(1))
+	$(AT)echo "  Preprocessing completed: $$@"
 	$(AT)touch $$@
 $($(1)_configured): | $($(1)_preprocessed)
-	$(AT)echo Configuring $(1)...
+	$(AT)echo "=== Configuring $(1) v$($(1)_version) ==="
+	$(AT)echo "  Build directory: $($(1)_build_dir)"
+	$(AT)echo "  Host prefix: $(host_prefix)"
+	$(AT)echo "  All dependencies: $($(1)_all_dependencies)"
 	$(AT)rm -rf $(host_prefix); mkdir -p $(host_prefix)/lib; cd $(host_prefix); $(foreach package,$($(1)_all_dependencies), tar xf $($(package)_cached); )
 	$(AT)mkdir -p $$(@D)
 	$(AT)+cd $$(@D); $($(1)_config_env) $(call $(1)_config_cmds, $(1))
+	$(AT)echo "  Configuration completed: $$@"
 	$(AT)touch $$@
 $($(1)_built): | $($(1)_configured)
-	$(AT)echo Building $(1)...
+	$(AT)echo "=== Building $(1) v$($(1)_version) ==="
+	$(AT)echo "  Build directory: $($(1)_build_dir)"
+	$(AT)echo "  Build environment: $($(1)_build_env)"
 	$(AT)mkdir -p $$(@D)
 	$(AT)+cd $$(@D); $($(1)_build_env) $(call $(1)_build_cmds, $(1))
+	$(AT)echo "  Build completed: $$@"
 	$(AT)touch $$@
 $($(1)_staged): | $($(1)_built)
-	$(AT)echo Staging $(1)...
+	$(AT)echo "=== Staging $(1) v$($(1)_version) ==="
+	$(AT)echo "  Staging directory: $($(1)_staging_dir)"
+	$(AT)echo "  Staging prefix: $($(1)_staging_prefix_dir)"
 	$(AT)mkdir -p $($(1)_staging_dir)/$(host_prefix)
 	$(AT)cd $($(1)_build_dir); $($(1)_stage_env) $(call $(1)_stage_cmds, $(1))
+	$(AT)echo "  Removing extract directory: $($(1)_extract_dir)"
 	$(AT)rm -rf $($(1)_extract_dir)
+	$(AT)echo "  Staging completed: $$@"
 	$(AT)touch $$@
 $($(1)_postprocessed): | $($(1)_staged)
-	$(AT)echo Postprocessing $(1)...
+	$(AT)echo "=== Postprocessing $(1) v$($(1)_version) ==="
+	$(AT)echo "  Postprocessing directory: $($(1)_staging_prefix_dir)"
 	$(AT)cd $($(1)_staging_prefix_dir); $(call $(1)_postprocess_cmds)
+	$(AT)echo "  Postprocessing completed: $$@"
 	$(AT)touch $$@
+$($(1)_prebuilt_downloaded): | $($(1)_dependencies)
+	$(AT)echo "=== Attempting to download prebuilt $(1) v$($(1)_version) ==="
+	$(AT)echo "  Build ID: $($(1)_build_id)"
+	$(AT)echo "  Download URL: $($(1)_prebuilt_url)"
+	$(AT)mkdir -p $$(@D)
+	$(AT)mkdir -p $(dir $($(1)_cached))
+	$(AT)( \
+		echo "  Downloading $(1) prebuilt files..." && \
+		$(build_DOWNLOAD) "$($(1)_cached).tmp" "$($(1)_prebuilt_url)" && \
+		$(build_DOWNLOAD) "$($(1)_cached_checksum).tmp" "$($(1)_prebuilt_checksum_url)" && \
+		$(build_DOWNLOAD) "$($(1)_cached_buildinfo).tmp" "$($(1)_prebuilt_buildinfo_url)" && \
+		echo "  Verifying checksum..." && \
+		cd $(dir $($(1)_cached)) && \
+		sed 's/$(notdir $($(1)_cached))/$(notdir $($(1)_cached)).tmp/' "$($(1)_cached_checksum).tmp" > "$($(1)_cached_checksum).tmp.verify" && \
+		$(build_SHA256SUM) -c "$($(1)_cached_checksum).tmp.verify" && \
+		rm -f "$($(1)_cached_checksum).tmp.verify" && \
+		echo "  Moving files to final location..." && \
+		mv "$($(1)_cached).tmp" "$($(1)_cached)" && \
+		mv "$($(1)_cached_checksum).tmp" "$($(1)_cached_checksum)" && \
+		mv "$($(1)_cached_buildinfo).tmp" "$($(1)_cached_buildinfo)" && \
+		echo "  Prebuilt download completed: $$@" && \
+		touch $$@ \
+	) || ( \
+		echo "  Download failed for $(1)" && \
+		rm -f "$($(1)_cached).tmp" "$($(1)_cached_checksum).tmp" "$($(1)_cached_buildinfo).tmp" && \
+		if [ "$(DEPENDS_UNTRUSTED_FAST_BUILDS)" = "forced" ]; then \
+			echo "  Error: DEPENDS_UNTRUSTED_FAST_BUILDS=forced but prebuilt download failed" && \
+			exit 1; \
+		else \
+			echo "  Falling back to building from source..." && \
+			exit 1; \
+		fi \
+	)
 $($(1)_cached): | $($(1)_dependencies) $($(1)_postprocessed)
-	$(AT)echo Caching $(1)...
+	$(AT)echo "=== Caching $(1) v$($(1)_version) ==="
+	$(AT)echo "  Build ID: $($(1)_build_id)"
+	$(AT)echo "  Cache file: $$@"
+	$(AT)echo "  Compression: $(COMPRESS_CMD)"
 	$(AT)cd $$($(1)_staging_dir)/$(host_prefix); find . | sort | tar --no-recursion --use-compress-program='$(COMPRESS_CMD)' -cf $$($(1)_staging_dir)/$$(@F) -T -
 	$(AT)mkdir -p $$(@D)
-	$(AT)rm -rf $$(@D) && mkdir -p $$(@D)
 	$(AT)mv $$($(1)_staging_dir)/$$(@F) $$(@)
+	$(AT)echo "  Removing staging directory: $($(1)_staging_dir)"
 	$(AT)rm -rf $($(1)_staging_dir)
+	$(AT)echo "  Caching completed: $$@"
 $($(1)_cached_checksum): $($(1)_cached)
+	$(AT)echo "=== Generating checksum for $(1) v$($(1)_version) ==="
+	$(AT)echo "  Checksum file: $$@"
 	$(AT)cd $$(@D); $(build_SHA256SUM) $$(<F) > $$(@)
+	$(AT)echo "  Checksum completed: $$@"
+	$(AT)echo "=== Generating build info for $(1) v$($(1)_version) ==="
+	$(AT)echo "  Build info file: $$($(1)_cached_buildinfo)"
+	$(AT)echo "# Build Info for $(1) v$($(1)_version)" > $$($(1)_cached_buildinfo)
+	$(AT)echo "# Generated on: $$(shell date)" >> $$($(1)_cached_buildinfo)
+	$(AT)echo "" >> $$($(1)_cached_buildinfo)
+	$(AT)echo "Package: $(1)" >> $$($(1)_cached_buildinfo)
+	$(AT)echo "Version: $($(1)_version)" >> $$($(1)_cached_buildinfo)
+	$(AT)echo "Host: $(host)" >> $$($(1)_cached_buildinfo)
+	$(AT)echo "Release Type: $(release_type)" >> $$($(1)_cached_buildinfo)
+	$(AT)echo "" >> $$($(1)_cached_buildinfo)
+	$(AT)echo "Build ID (current): $($(1)_build_id)" >> $$($(1)_cached_buildinfo)
+	$(AT)echo "Build ID (legacy): $($(1)_build_id_legacy)" >> $$($(1)_cached_buildinfo)
+	$(AT)echo "" >> $$($(1)_cached_buildinfo)
+	$(AT)echo "Build ID String (current): $($(1)_build_id_long)" >> $$($(1)_cached_buildinfo)
+	$(AT)echo "Build ID String (legacy): $($(1)_build_id_long_legacy)" >> $$($(1)_cached_buildinfo)
+	$(AT)echo "" >> $$($(1)_cached_buildinfo)
+	$(AT)echo "Dependencies: $($(1)_dependencies)" >> $$($(1)_cached_buildinfo)
+	$(AT)echo "All Dependencies: $($(1)_all_dependencies)" >> $$($(1)_cached_buildinfo)
+	$(AT)echo "" >> $$($(1)_cached_buildinfo)
+	$(AT)echo "Recipe Hash: $($(1)_recipe_hash)" >> $$($(1)_cached_buildinfo)
+	$(AT)echo "Recipe Files: $($(1)_all_file_checksums)" >> $$($(1)_cached_buildinfo)
+	$(AT)echo "" >> $$($(1)_cached_buildinfo)
+	$(AT)echo "Toolchain (current): $($($(1)_type)_id_string)" >> $$($(1)_cached_buildinfo)
+	$(AT)echo "Toolchain (legacy): $($($(1)_type)_id_string_legacy)" >> $$($(1)_cached_buildinfo)
+	$(AT)echo "" >> $$($(1)_cached_buildinfo)
+	$(AT)echo "Build Tools (current):" >> $$($(1)_cached_buildinfo)
+	$(AT)echo "  CC: $$(shell basename $($($(1)_type)_CC) 2>/dev/null || echo "unknown")" >> $$($(1)_cached_buildinfo)
+	$(AT)echo "  CXX: $$(shell basename $($($(1)_type)_CXX) 2>/dev/null || echo "unknown")" >> $$($(1)_cached_buildinfo)
+	$(AT)echo "  AR: $$(shell basename $($($(1)_type)_AR) 2>/dev/null || echo "unknown")" >> $$($(1)_cached_buildinfo)
+	$(AT)echo "  RANLIB: $$(shell basename $($($(1)_type)_RANLIB) 2>/dev/null || echo "unknown")" >> $$($(1)_cached_buildinfo)
+	$(AT)echo "  STRIP: $$(shell basename $($($(1)_type)_STRIP) 2>/dev/null || echo "unknown")" >> $$($(1)_cached_buildinfo)
+	$(AT)echo "" >> $$($(1)_cached_buildinfo)
+	$(AT)echo "Build Tools (legacy versions):" >> $$($(1)_cached_buildinfo)
+	$(AT)echo "  CC: $$(shell $($($(1)_type)_CC) --version 2>/dev/null | head -1 || echo "unknown")" >> $$($(1)_cached_buildinfo)
+	$(AT)echo "  CXX: $$(shell $($($(1)_type)_CXX) --version 2>/dev/null | head -1 || echo "unknown")" >> $$($(1)_cached_buildinfo)
+	$(AT)echo "  AR: $$(shell $($($(1)_type)_AR) --version 2>/dev/null | head -1 || echo "unknown")" >> $$($(1)_cached_buildinfo)
+	$(AT)echo "  RANLIB: $$(shell $($($(1)_type)_RANLIB) --version 2>/dev/null | head -1 || echo "unknown")" >> $$($(1)_cached_buildinfo)
+	$(AT)echo "  STRIP: $$(shell $($($(1)_type)_STRIP) --version 2>/dev/null | head -1 || echo "unknown")" >> $$($(1)_cached_buildinfo)
+	$(AT)echo "" >> $$($(1)_cached_buildinfo)
+	$(AT)echo "Salt Values:" >> $$($(1)_cached_buildinfo)
+	$(AT)echo "  BUILD_ID_SALT: $(BUILD_ID_SALT)" >> $$($(1)_cached_buildinfo)
+	$(AT)echo "  HOST_ID_SALT: $(HOST_ID_SALT)" >> $$($(1)_cached_buildinfo)
+	$(AT)echo "  Build info completed: $$($(1)_cached_buildinfo)"
+
+$($(1)_cached_or_prebuilt): 
+	$(AT)mkdir -p $$(@D)
+	$(AT)if [ "$(DEPENDS_UNTRUSTED_FAST_BUILDS)" = "yes" ]; then \
+		echo "=== Trying prebuilt download for $(1) v$($(1)_version) ===" && \
+		($(MAKE) -f $(BASEDIR)/Makefile $($(1)_prebuilt_downloaded) && touch $$@) || \
+		(echo "  Prebuilt download failed, falling back to building from source..." && \
+		$(MAKE) -f $(BASEDIR)/Makefile $($(1)_cached_checksum) && touch $$@); \
+	elif [ "$(DEPENDS_UNTRUSTED_FAST_BUILDS)" = "forced" ]; then \
+		echo "=== Forced prebuilt download for $(1) v$($(1)_version) ===" && \
+		$(MAKE) -f $(BASEDIR)/Makefile $($(1)_prebuilt_downloaded) && touch $$@; \
+	else \
+		echo "=== Building from source for $(1) v$($(1)_version) ===" && \
+		$(MAKE) -f $(BASEDIR)/Makefile $($(1)_cached_checksum) && touch $$@; \
+	fi
 
 .PHONY: $(1)
-$(1): | $($(1)_cached_checksum)
-.SECONDARY: $($(1)_cached) $($(1)_postprocessed) $($(1)_staged) $($(1)_built) $($(1)_configured) $($(1)_preprocessed) $($(1)_extracted) $($(1)_fetched)
+$(1): | $($(1)_cached_or_prebuilt)
+.SECONDARY: $($(1)_cached) $($(1)_postprocessed) $($(1)_staged) $($(1)_built) $($(1)_configured) $($(1)_preprocessed) $($(1)_extracted) $($(1)_fetched) $($(1)_cached_buildinfo) $($(1)_prebuilt_downloaded) $($(1)_cached_or_prebuilt)
 
 endef
 
-stages = fetched extracted preprocessed configured built staged postprocessed cached cached_checksum
+stages = fetched extracted preprocessed configured built staged postprocessed cached cached_checksum prebuilt_downloaded
 
 define ext_add_stages
 $(foreach stage,$(stages),
diff --git a/impls/monero.dart/lib/src/checksum_monero.dart b/impls/monero.dart/lib/src/checksum_monero.dart
index fdbfbaa..4d0e459 100644
--- a/impls/monero.dart/lib/src/checksum_monero.dart
+++ b/impls/monero.dart/lib/src/checksum_monero.dart
@@ -1,4 +1,4 @@
 // ignore_for_file: constant_identifier_names
 const String wallet2_api_c_h_sha256 = "91218f60e937753a606b1db899ee2ed66a1b02144eb2d79b950ce59804397f84";
 const String wallet2_api_c_cpp_sha256 = "282128494f3419c128dff7ed67daadd9c2ad0600d10557e829df03d9bc1ad891-0232839913b13cf0ab0bb7ad25fff0c05f37d2fe";
-const String wallet2_api_c_exp_sha256 = "d0f95f1f3bc49f1f59fe4eb0b61826128d7d3bb75405d5a01a252d02db03097d";
+const String wallet2_api_c_exp_sha256 = "b2f2355242f9ad852ccf860a60a5c7a74054f9450ba1fbf9c0f42c58dbfdee9d";
diff --git a/impls/monero.ts/checksum_monero.ts b/impls/monero.ts/checksum_monero.ts
index 7ed01a3..0d5549a 100644
--- a/impls/monero.ts/checksum_monero.ts
+++ b/impls/monero.ts/checksum_monero.ts
@@ -1,5 +1,5 @@
 export const moneroChecksum = {
     wallet2_api_c_h_sha256: "91218f60e937753a606b1db899ee2ed66a1b02144eb2d79b950ce59804397f84",
     wallet2_api_c_cpp_sha256: "282128494f3419c128dff7ed67daadd9c2ad0600d10557e829df03d9bc1ad891-0232839913b13cf0ab0bb7ad25fff0c05f37d2fe",
-    wallet2_api_c_exp_sha256: "d0f95f1f3bc49f1f59fe4eb0b61826128d7d3bb75405d5a01a252d02db03097d",
+    wallet2_api_c_exp_sha256: "b2f2355242f9ad852ccf860a60a5c7a74054f9450ba1fbf9c0f42c58dbfdee9d",
 }
diff --git a/monero_libwallet2_api_c/src/main/cpp/monero_checksum.h b/monero_libwallet2_api_c/src/main/cpp/monero_checksum.h
index d3d7414..b4c250a 100644
--- a/monero_libwallet2_api_c/src/main/cpp/monero_checksum.h
+++ b/monero_libwallet2_api_c/src/main/cpp/monero_checksum.h
@@ -2,5 +2,5 @@
 #define MONEROC_CHECKSUMS
 const char * MONERO_wallet2_api_c_h_sha256 = "91218f60e937753a606b1db899ee2ed66a1b02144eb2d79b950ce59804397f84";
 const char * MONERO_wallet2_api_c_cpp_sha256 = "282128494f3419c128dff7ed67daadd9c2ad0600d10557e829df03d9bc1ad891-0232839913b13cf0ab0bb7ad25fff0c05f37d2fe";
-const char * MONERO_wallet2_api_c_exp_sha256 = "d0f95f1f3bc49f1f59fe4eb0b61826128d7d3bb75405d5a01a252d02db03097d";
+const char * MONERO_wallet2_api_c_exp_sha256 = "b2f2355242f9ad852ccf860a60a5c7a74054f9450ba1fbf9c0f42c58dbfdee9d";
 #endif