release profile

Makefile

@@ -0,0 +1,12 @@
+
+prepare-android:
+	rustup toolchain install stable
+	rustup target add x86_64-linux-android
+	rustup target add x86_64-unknown-linux-gnu
+	rustup target add aarch64-linux-android
+	rustup target add armv7-linux-androideabi
+	rustup target add i686-linux-android
+	make install-uniffi-bindgen
+
+install-uniffi-bindgen:
+	cargo install uniffi_bindgen --version 0.19.2

crypter-ffi/Cargo.toml

@@ -5,19 +5,26 @@ authors = ["Evan Feenstra <evanfeenstra@gmail.com>"]
 edition = "2018"
 
 [lib]
-crate-type = ["cdylib"]
 name = "crypter"
+crate-type = ["staticlib", "cdylib"]
 
 [dependencies]
 sphinx-key-crypter = { path = "../crypter" }
 uniffi = "0.19.2"
 hex = "0.4.3"
 thiserror = "1.0.31"
-uniffi_macros = "0.11.0"
+uniffi_macros = "0.19.2"
 
 [build-dependencies]
 uniffi_build = "0.19.2"
 
+[profile.release]
+opt-level = 'z'     # Optimize for size.
+lto = true          # Enable Link Time Optimization
+codegen-units = 1   # Reduce number of codegen units to increase optimizations.
+# panic = 'abort'     # Abort on panic
+debug = true # Enable debug symbols. For example, we can use `dwarfdump` to check crash traces.
+
 [patch.crates-io]
 getrandom = { version = "0.2", git = "https://github.com/esp-rs-compat/getrandom.git" }
 secp256k1 = { git = "https://github.com/Evanfeenstra/rust-secp256k1", branch = "v0.22.0-new-rand" }

crypter-ffi/readme.md

@@ -1,8 +1,21 @@
 uniffi-bindgen --version
+
 should match the uniffi version in Cargo.toml
 
+### kotlin
+
+rustup target add aarch64-linux-android armv7-linux-androideabi i686-linux-android x86_64-linux-android x86_64-unknown-linux-gnu
+
 uniffi-bindgen generate src/crypter.udl --language kotlin
 
+cargo build --target aarch64-linux-android --release
+cargo build --target armv7-linux-androideabi --release
+cargo build --target i686-linux-android --release
+
+cross build --target aarch64-linux-android --release
+
+### swift
+
 uniffi-bindgen generate src/crypter.udl --language swift
 
 ### manually build the C ffi