commit b996fb8d1d7a6b578f48ce85fc951450a853bcdf
parent 8b4abb12a05c0cd2dcc2926deee22841ee2ef9d2
Author: Luca Vaccaro <me@lvaccaro.com>
Date: Mon, 27 Jun 2022 16:45:11 +0200
add rust bindings
Closes #5
Signed-off-by: William Casarin <jb55@jb55.com>
Signed-off-by: Luca Vaccaro <me@lvaccaro.com>
Diffstat:
| M | .gitignore | | | 3 | +++ |
| A | Cargo.lock | | | 757 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| A | Cargo.toml | | | 23 | +++++++++++++++++++++++ |
| M | Makefile | | | 6 | ++++++ |
| A | build.rs | | | 38 | ++++++++++++++++++++++++++++++++++++++ |
| A | rust/lib.rs | | | 66 | ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
6 files changed, 893 insertions(+), 0 deletions(-)
diff --git a/.gitignore b/.gitignore
@@ -20,3 +20,5 @@ examples/lnsocket.js
examples/lnsocket.wasm
examples/websockets_big.js
examples/websockets_big.html
+rust/bindings.rs
+Cargo.lock+
\ No newline at end of file
diff --git a/Cargo.lock b/Cargo.lock
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diff --git a/Cargo.toml b/Cargo.toml
@@ -0,0 +1,23 @@
+[package]
+name = "lnsocket"
+version = "0.1.0"
+repository = "https://github.com/jb55/lnsocket"
+readme = "README.md"
+build = "build.rs"
+edition = "2018"
+
+[lib]
+name = "lnsocket"
+path = "rust/lib.rs"
+test = true
+crate-type = ["lib"]
+
+[dependencies]
+libc = "0.2"
+ffi_helpers = "0.3.0"
+
+[build-dependencies]
+cc = { version = "1.0", features = ["parallel"] }
+pkg-config = "0.3"
+bindgen = "0.60.0"
+syntex_syntax = "0.59.1"
diff --git a/Makefile b/Makefile
@@ -28,6 +28,12 @@ js: target/js/lnsocket.js target/js/lnsocket.wasm
node: target/node/lnsocket.js target/node/lnsocket.wasm
+liblnsocket.a: lnsocket.a
+ cp lnsocket.a liblnsocket.a
+
+rust: liblnsocket.a
+ cargo build --release
+
target/node/lnsocket.js: target/tmp/node/lnsocket.js lnsocket_lib.js
@mkdir -p target/node
cat $^ > $@
diff --git a/build.rs b/build.rs
@@ -0,0 +1,38 @@
+extern crate bindgen;
+
+use std::env;
+use std::path::PathBuf;
+
+fn main() {
+
+ // Tell cargo to look for shared libraries in the specified directory
+ let lib_path = PathBuf::from(env::current_dir().unwrap());
+ println!("cargo:rustc-link-search={}", lib_path.display());
+
+ // Tell cargo to tell rustc to link the shared library.
+ println!("cargo:rustc-link-lib=lnsocket");
+ println!("cargo:rustc-link-lib=secp256k1");
+ println!("cargo:rustc-link-lib=sodium");
+
+ // The bindgen::Builder is the main entry point
+ // to bindgen, and lets you build up options for
+ // the resulting bindings.
+ let bindings = bindgen::Builder::default()
+ // The input header we would like to generate
+ // bindings for.
+ .header("lnsocket.h")
+ .header("lnsocket_internal.h")
+ .clang_arg("-Ideps/secp256k1/include")
+ .clang_arg("-Ideps/libsodium/src/libsodium/include")
+ .header("deps/secp256k1/include/secp256k1.h")
+ .trust_clang_mangling(false)
+ // Finish the builder and generate the bindings.
+ .generate()
+ // Unwrap the Result and panic on failure.
+ .expect("Unable to generate bindings");
+
+ // Write the bindings to the $OUT_DIR/bindings.rs file.
+ bindings
+ .write_to_file("./rust/bindings.rs")
+ .expect("Couldn't write bindings!");
+}
diff --git a/rust/lib.rs b/rust/lib.rs
@@ -0,0 +1,66 @@
+#![allow(non_upper_case_globals)]
+#![allow(non_camel_case_types)]
+#![allow(non_snake_case)]
+
+include!("bindings.rs");
+
+#[cfg(test)]
+mod tests {
+ use super::*;
+ //use libc::*;
+ use std::ffi::{CString, CStr};
+
+ #[test]
+ fn testing() {
+ unsafe {
+ let node_id = "023e60311d349ae482eebec19ad81dd2544b98fdd8151516fcf23d7bf6f55b0ed5";
+ let host = "127.0.0.1";
+ let rune = "lhE8z3BpHyqffEDDvhumRhl16MtNEU7g1CrZ6i-y2pg9MSZtZXRob2RebGlzdHxtZXRob2ReZ2V0fG1ldGhvZD1zdW1tYXJ5Jm1ldGhvZC9nZXRzaGFyZWRzZWNyZXQmbWV0aG9kL2xpc3RkYXRhc3RvcmU=";
+
+ let mut socket: lnsocket = {
+ let sock = lnsocket_create();
+ ffi_helpers::null_pointer_check!(sock);
+ *sock
+ };
+
+ lnsocket_genkey(&mut socket);
+
+ let res_connect = {
+ let c_node_id = CString::new(node_id).unwrap();
+ let c_host = CString::new(host).unwrap();
+ lnsocket_connect(&mut socket, c_node_id.as_ptr(), c_host.as_ptr())
+ };
+ assert_eq!(res_connect, 1);
+
+ let res_perform_init = lnsocket_perform_init(&mut socket);
+ assert_eq!(res_perform_init, 1);
+
+ let method = "getinfo";
+ let params = "[]";
+ let msg = format!("{{\"method\":\"{}\",\"params\":{},\"rune\":\"{}\"}}", method, params, rune);
+ let res_write = {
+ let mut cmd = vec![];
+ cmd.append(&mut 0x4c4fu16.to_be_bytes().to_vec());
+ cmd.append(&mut 1u64.to_be_bytes().to_vec());
+ cmd.append(&mut msg.as_bytes().to_vec());
+ assert_eq!(cmd.len(), msg.len() + 10);
+ lnsocket_write(&mut socket, cmd.as_ptr(), cmd.len() as u16)
+ };
+ assert_eq!(res_write, 1);
+
+ let response = {
+ let mut len = 0u16;
+ let mut t: u8 = 0;
+ let addr = &mut t as *mut u8 as usize;
+ let mut uptr = addr as *mut u8;
+ let res_recv = lnsocket_read(&mut socket, &mut uptr, &mut len);
+ assert_eq!(res_recv, 1);
+ let iptr = uptr as *mut i8;
+ CStr::from_ptr(iptr.offset(10)).to_str().unwrap().to_string()
+ };
+ assert!(response.len() > 0);
+
+ lnsocket_destroy(&mut socket);
+ }
+ }
+}
