Add Vss thin client protobuf generation & build/CI setup

Author: G8XSU

vss-accessor/tests/generate_protos.rs

@@ -0,0 +1,31 @@
+extern crate prost_build;
+
+use std::fs;
+use std::fs::File;
+use std::path::Path;
+
+// Use this test-case to generate rust-proto objects from proto file.
+// 1. Enable test case by commenting/removing `#[ignore]`
+// 2. Run command :
+// ```
+// cargo build && OUT_DIR=../target/tmp/ cargo test generate_protos -- --exact
+// ```
+#[test]
+#[ignore]
+fn generate_protos() {
+	download_file(
+        "https://raw.githubusercontent.com/lightningdevkit/vss-server/ff4b5fc6a079ed8719eb8be7ec35ca1d01c1cc55/app/src/main/proto/vss.proto",
+        "src/proto/vss.proto",
+    ).unwrap();
+
+	prost_build::compile_protos(&["src/proto/vss.proto"], &["src/"]).unwrap();
+	fs::copy(concat!(env!("OUT_DIR"), "/org.vss.rs"), "src/generated-src/org.vss.rs").unwrap();
+}
+
+fn download_file(url: &str, save_to: &str) -> Result<(), Box<dyn std::error::Error>> {
+	let mut response = reqwest::blocking::get(url)?;
+	fs::create_dir_all(Path::new(save_to).parent().unwrap())?;
+	let mut out_file = File::create(save_to)?;
+	response.copy_to(&mut out_file)?;
+	Ok(())
+}