Merge pull request #6 from cypherstack/fix/macos-shasum

fix(macos): add scripts/macos/download.sh

Author: danrmiller

scripts/macos/download.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+set -e
+
+LIB_ROOT=../..
+REPO="cypherstack/flutter_libmwc"
+BASE_URL="https://github.com/${REPO}/releases/download"
+
+TAG=$(git -C "$LIB_ROOT" describe --tags --exact-match HEAD 2>/dev/null) || {
+    echo "Error: flutter_libmwc is not at a tagged commit."
+    echo "Pin the submodule to a release tag to use download mode."
+    echo "Current commit: $(git -C "$LIB_ROOT" rev-parse HEAD)"
+    exit 1
+}
+
+TMPDIR=$(mktemp -d)
+trap 'rm -rf "$TMPDIR"' EXIT
+
+curl -fSL "${BASE_URL}/${TAG}/checksums.txt" -o "$TMPDIR/checksums.txt"
+
+download_and_verify() {
+    local asset="$1"
+    curl -fSL "${BASE_URL}/${TAG}/${asset}" -o "$TMPDIR/${asset}"
+    grep "^[0-9a-f]*  ${asset}$" "$TMPDIR/checksums.txt" | (cd "$TMPDIR" && shasum -a 256 -c)
+}
+
+download_and_verify "MWCWallet.xcframework.zip"
+
+mkdir -p "$LIB_ROOT/macos/framework"
+rm -rf "$LIB_ROOT/macos/framework/MWCWallet.xcframework"
+unzip -q "$TMPDIR/MWCWallet.xcframework.zip" -d "$TMPDIR/xcfw"
+cp -r "$TMPDIR/xcfw/MWCWallet.xcframework" "$LIB_ROOT/macos/framework/MWCWallet.xcframework"