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notmandatorytnull
notmandatory
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Update generate swift bindings script to create swift package
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‎.gitignore

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# These are backup files generated by rustfmt
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**/*.rs.bk
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# Ignore generated swift related files
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.swiftpm/
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ldk_nodeFFI.*
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ldk_node.swift
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libldk_node.dylib
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LightningDevKitNode.swift
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ldk_node.swiftmodule
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swift.swiftsourceinfo
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swift.abi.json
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swift.swiftdoc
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# Ignore ldk_nodeFFI.xcframework files
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/bindings/swift/ldk_nodeFFI.xcframework

‎bindings/swift/Package.swift

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// swift-tools-version:5.5
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// The swift-tools-version declares the minimum version of Swift required to build this package.
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import PackageDescription
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let package = Package(
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name: "ldk-node",
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platforms: [
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.macOS(.v12),
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.iOS(.v15)
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],
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products: [
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// Products define the executables and libraries a package produces, and make them visible to other packages.
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.library(
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name: "LightningDevKitNode",
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targets: ["ldk_nodeFFI", "LightningDevKitNode"]),
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],
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dependencies: [
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// Dependencies declare other packages that this package depends on.
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// .package(url: /* package url */, from: "1.0.0"),
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],
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targets: [
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// Targets are the basic building blocks of a package. A target can define a module or a test suite.
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// Targets can depend on other targets in this package, and on products in packages this package depends on.
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// .binaryTarget(
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// name: "ldk_nodeFFI",
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// url: "https://github.com/lightningdevkit/ldk-node/releases/download/0.3.0/ldk_nodeFFI.xcframework.zip",
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// checksum: "<TBD>"),
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.binaryTarget(name: "ldk_nodeFFI", path: "./ldk_nodeFFI.xcframework"),
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.target(
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name: "LightningDevKitNode",
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dependencies: ["ldk_nodeFFI"]),
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// .testTarget(
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// name: "LightningDevKitNodeTests",
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// dependencies: ["LightningDevKitNode"]),
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]
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)

‎bindings/swift/ldk_nodeFFI.xcframework/Info.plist

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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
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<plist version="1.0">
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<dict>
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<key>AvailableLibraries</key>
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<array>
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<dict>
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<key>LibraryIdentifier</key>
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<string>macos-arm64_x86_64</string>
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<key>LibraryPath</key>
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<string>ldk_nodeFFI.framework</string>
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<key>SupportedArchitectures</key>
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<array>
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<string>arm64</string>
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<string>x86_64</string>
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</array>
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<key>SupportedPlatform</key>
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<string>macos</string>
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</dict>
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<dict>
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<key>LibraryIdentifier</key>
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<string>ios-arm64_x86_64-simulator</string>
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<key>LibraryPath</key>
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<string>ldk_nodeFFI.framework</string>
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<key>SupportedArchitectures</key>
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<array>
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<string>arm64</string>
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<string>x86_64</string>
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</array>
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<key>SupportedPlatform</key>
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<string>ios</string>
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<key>SupportedPlatformVariant</key>
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<string>simulator</string>
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</dict>
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<dict>
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<key>LibraryIdentifier</key>
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<string>ios-arm64</string>
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<key>LibraryPath</key>
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<string>ldk_nodeFFI.framework</string>
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<key>SupportedArchitectures</key>
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<array>
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<string>arm64</string>
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</array>
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<key>SupportedPlatform</key>
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<string>ios</string>
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</dict>
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</array>
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<key>CFBundlePackageType</key>
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<string>XFWK</string>
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<key>XCFrameworkFormatVersion</key>
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<string>1.0</string>
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</dict>
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</plist>

‎bindings/swift/ldk_nodeFFI.xcframework/ios-arm64/ldk_nodeFFI.framework/Headers/ldk_nodeFFI-umbrella.h

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// This is the "umbrella header" for our combined Rust code library.
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// It needs to import all of the individual headers.
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#import "ldk_nodeFFI.h"

‎bindings/swift/ldk_nodeFFI.xcframework/ios-arm64/ldk_nodeFFI.framework/Modules/module.modulemap

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framework module ldk_nodeFFI {
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umbrella header "ldk_nodeFFI-umbrella.h"
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export *
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module * { export * }
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}

‎bindings/swift/ldk_nodeFFI.xcframework/ios-arm64_x86_64-simulator/ldk_nodeFFI.framework/Headers/ldk_nodeFFI-umbrella.h

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// This is the "umbrella header" for our combined Rust code library.
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// It needs to import all of the individual headers.
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#import "ldk_nodeFFI.h"

‎bindings/swift/ldk_nodeFFI.xcframework/ios-arm64_x86_64-simulator/ldk_nodeFFI.framework/Modules/module.modulemap

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framework module ldk_nodeFFI {
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umbrella header "ldk_nodeFFI-umbrella.h"
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export *
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module * { export * }
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}

‎bindings/swift/ldk_nodeFFI.xcframework/macos-arm64_x86_64/ldk_nodeFFI.framework/Headers/ldk_nodeFFI-umbrella.h

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// This is the "umbrella header" for our combined Rust code library.
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// It needs to import all of the individual headers.
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#import "ldk_nodeFFI.h"

‎bindings/swift/ldk_nodeFFI.xcframework/macos-arm64_x86_64/ldk_nodeFFI.framework/Modules/module.modulemap

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framework module ldk_nodeFFI {
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umbrella header "ldk_nodeFFI-umbrella.h"
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export *
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module * { export * }
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}

‎scripts/uniffi_bindgen_generate_swift.sh

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mkdir -p $BINDINGS_DIR
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swiftc -module-name ldk_node -emit-library -o "$BINDINGS_DIR"/libldk_node.dylib -emit-module -emit-module-path "$BINDINGS_DIR" -parse-as-library -L ./target/release -lldk_node -Xcc -fmodule-map-file="$BINDINGS_DIR"/ldk_nodeFFI.modulemap "$BINDINGS_DIR"/ldk_node.swift -v
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# Install rust target toolchains
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rustup install nightly-x86_64-apple-darwin
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rustup component add rust-src --toolchain nightly-x86_64-apple-darwin
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rustup target add aarch64-apple-ios x86_64-apple-ios
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rustup target add aarch64-apple-ios-sim --toolchain nightly
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rustup target add aarch64-apple-darwin x86_64-apple-darwin
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# Build rust target libs
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cargo build --profile release-smaller || exit 1
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cargo build --profile release-smaller --target x86_64-apple-darwin || exit 1
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cargo build --profile release-smaller --target aarch64-apple-darwin || exit 1
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cargo build --profile release-smaller --target x86_64-apple-ios || exit 1
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cargo build --profile release-smaller --target aarch64-apple-ios || exit 1
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cargo +nightly build --release --target aarch64-apple-ios-sim || exit 1
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# Combine ios-sim and apple-darwin (macos) libs for x86_64 and aarch64 (m1)
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mkdir -p target/lipo-ios-sim/release-smaller || exit 1
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lipo target/aarch64-apple-ios-sim/release/libldk_node.a target/x86_64-apple-ios/release-smaller/libldk_node.a -create -output target/lipo-ios-sim/release-smaller/libldk_node.a || exit 1
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mkdir -p target/lipo-macos/release-smaller || exit 1
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lipo target/aarch64-apple-darwin/release-smaller/libldk_node.a target/x86_64-apple-darwin/release-smaller/libldk_node.a -create -output target/lipo-macos/release-smaller/libldk_node.a || exit 1
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$UNIFFI_BINDGEN_BIN generate bindings/ldk_node.udl --language swift -o "$BINDINGS_DIR" || exit 1
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swiftc -module-name ldk_node -emit-library -o "$BINDINGS_DIR"/libldk_node.dylib -emit-module -emit-module-path "$BINDINGS_DIR" -parse-as-library -L ./target/release-smaller -lldk_node -Xcc -fmodule-map-file="$BINDINGS_DIR"/ldk_nodeFFI.modulemap "$BINDINGS_DIR"/ldk_node.swift -v || exit 1
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# Create xcframework from bindings Swift file and libs
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mkdir -p "$BINDINGS_DIR"/Sources/LightningDevKitNode || exit 1
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mv "$BINDINGS_DIR"/ldk_node.swift "$BINDINGS_DIR"/Sources/LightningDevKitNode/LightningDevKitNode.swift || exit 1
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cp "$BINDINGS_DIR"/ldk_nodeFFI.h "$BINDINGS_DIR"/ldk_nodeFFI.xcframework/ios-arm64/ldk_nodeFFI.framework/Headers || exit 1
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cp "$BINDINGS_DIR"/ldk_nodeFFI.h "$BINDINGS_DIR"/ldk_nodeFFI.xcframework/ios-arm64_x86_64-simulator/ldk_nodeFFI.framework/Headers || exit 1
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cp "$BINDINGS_DIR"/ldk_nodeFFI.h "$BINDINGS_DIR"/ldk_nodeFFI.xcframework/macos-arm64_x86_64/ldk_nodeFFI.framework/Headers || exit 1
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cp target/aarch64-apple-ios/release-smaller/libldk_node.a "$BINDINGS_DIR"/ldk_nodeFFI.xcframework/ios-arm64/ldk_nodeFFI.framework/ldk_nodeFFI || exit 1
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cp target/lipo-ios-sim/release-smaller/libldk_node.a "$BINDINGS_DIR"/ldk_nodeFFI.xcframework/ios-arm64_x86_64-simulator/ldk_nodeFFI.framework/ldk_nodeFFI || exit 1
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cp target/lipo-macos/release-smaller/libldk_node.a "$BINDINGS_DIR"/ldk_nodeFFI.xcframework/macos-arm64_x86_64/ldk_nodeFFI.framework/ldk_nodeFFI || exit 1
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# rm "$BINDINGS_DIR"/ldk_nodeFFI.h || exit 1
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# rm "$BINDINGS_DIR"/ldk_nodeFFI.modulemap || exit 1
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echo finished successfully!

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