Add dart bindings generation scripts

Author: benalleng

payjoin-ffi/dart/.gitignore

@@ -5,6 +5,11 @@ doc/api/
 
 .DS_Store
 
+# Auto-generated shared libraries
+*.dylib
+*.so
+*.dll
+
 # Auto-generated bindings
 lib/payjoin_ffi.dart
 lib/bitcoin.dart

payjoin-ffi/dart/scripts/bindgen_generate.sh

@@ -0,0 +1,11 @@
+
+
+#!/bin/bash
+chmod +x ./scripts/generate_linux.sh
+chmod +x ./scripts/generate_macos.sh
+
+
+# Run each script
+scripts/generate_linux.sh
+scripts/generate_macos.sh
+

payjoin-ffi/dart/scripts/generate_linux.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+set -euo pipefail
+LIBNAME=libpayjoin_ffi.so
+LINUX_TARGET=x86_64-unknown-linux-gnu
+
+echo "Generating payjoin_ffi.dart..."
+cd ../
+# This is a test script the actual release should not include the test utils feature
+cargo build --profile release --features uniffi,_test-utils
+cargo run --profile release --features uniffi,_test-utils --bin uniffi-bindgen -- --library target/release/$LIBNAME --language dart --out-dir dart/lib/
+
+echo "Generating native binaries..."
+rustup target add $LINUX_TARGET
+# This is a test script the actual release should not include the test utils feature
+cargo build --profile release-smaller --target $LINUX_TARGET --features uniffi,_test-utils
+
+echo "Copying linux payjoin_ffi.so"
+cp target/$LINUX_TARGET/release-smaller/$LIBNAME dart/$LIBNAME
+
+echo "All done!"

payjoin-ffi/dart/scripts/generate_macos.sh

@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+LIBNAME=libpayjoin_ffi.dylib
+
+echo "Generating payjoin_ffi.dart..."
+cd ../
+# This is a test script the actual release should not include the test utils feature
+cargo build --features uniffi,_test-utils --profile release
+cargo run --features uniffi,_test-utils --profile release --bin uniffi-bindgen -- --library target/release/$LIBNAME --language dart --out-dir dart/lib/
+
+echo "Generating native binaries..."
+rustup target add aarch64-apple-darwin x86_64-apple-darwin
+
+# This is a test script the actual release should not include the test utils feature
+cargo build --profile release-smaller --target aarch64-apple-darwin --features uniffi,_test-utils
+echo "Done building aarch64-apple-darwin"
+
+# This is a test script the actual release should not include the test utils feature
+cargo build --profile release-smaller --target x86_64-apple-darwin --features uniffi,_test-utils
+echo "Done building x86_64-apple-darwin"
+
+echo "Building macos fat library"
+
+lipo -create -output dart/$LIBNAME \
+        target/aarch64-apple-darwin/release-smaller/$LIBNAME \
+        target/x86_64-apple-darwin/release-smaller/$LIBNAME
+
+echo "All done!"