From 6c7645806342bf737133a1ccda903ffca3bf3c31 Mon Sep 17 00:00:00 2001
From: Luke Parker <lukeparker5132@gmail.com>
Date: Thu, 7 Jul 2022 14:13:24 -0400
Subject: [PATCH] Statically link Monero

Closes https://github.com/serai-dex/serai/issues/11.
---
 coins/monero/Cargo.toml |  3 ++
 coins/monero/build.rs   | 86 +++++++++++++++++++++++++----------------
 2 files changed, 55 insertions(+), 34 deletions(-)

diff --git a/coins/monero/Cargo.toml b/coins/monero/Cargo.toml
index d2f40f8c..f62145a7 100644
--- a/coins/monero/Cargo.toml
+++ b/coins/monero/Cargo.toml
@@ -6,6 +6,9 @@ license = "MIT"
 authors = ["Luke Parker <lukeparker5132@gmail.com>"]
 edition = "2021"
 
+[build-dependencies]
+cc = "1.0"
+
 [dependencies]
 hex-literal = "0.3"
 lazy_static = "1"
diff --git a/coins/monero/build.rs b/coins/monero/build.rs
index 807e80ef..d2b6f66d 100644
--- a/coins/monero/build.rs
+++ b/coins/monero/build.rs
@@ -1,6 +1,4 @@
-use std::process::Command;
-use std::env;
-use std::path::Path;
+use std::{env, path::Path, process::Command};
 
 fn main() {
   if !Command::new("git").args(&["submodule", "update", "--init", "--recursive"]).status().unwrap().success() {
@@ -19,11 +17,6 @@ fn main() {
   // TODO: Move this signaling file into OUT_DIR once Monero is built statically successfully
   println!("cargo:rerun-if-changed=c/.build/monero");
   if !Path::new("c/.build/monero").exists() {
-    if !Command::new("cmake").args(&["cmake", "-DCMAKE_BUILD_TYPE=Release", "-DBUILD_SHARED_LIBS=1", "."])
-      .current_dir(&Path::new("c/monero")).status().unwrap().success() {
-        panic!("cmake failed to generate Monero's build scripts");
-    }
-
     if !Command::new("make").arg(format!("-j{}", &env::var("THREADS").unwrap_or("2".to_string())))
       .current_dir(&Path::new("c/monero")).status().unwrap().success() {
         panic!("make failed to build Monero. Please check your dependencies");
@@ -44,47 +37,72 @@ fn main() {
       &env::consts::DLL_EXTENSION
     )
   ).exists() {
+    let mut paths = vec![
+      "c/monero/build/release/contrib/epee/src/libepee.a".to_string(),
+      "c/monero/build/release/external/easylogging++/libeasylogging.a".to_string(),
+      "c/monero/build/release/external/randomx/librandomx.a".to_string()
+    ];
+
     for (folder, lib) in [
+      ("common", "common"),
       ("crypto", "cncrypto"),
+      ("crypto/wallet", "wallet-crypto"),
+      ("cryptonote_basic", "cryptonote_basic"),
+      ("cryptonote_basic", "cryptonote_format_utils_basic"),
+      ("", "version"),
       ("device", "device"),
       ("ringct", "ringct_basic"),
       ("ringct", "ringct")
     ] {
-      if !Command::new("cp").args(&[
-        &format!(
-          "c/monero/src/{}/{}{}.{}",
+      paths.push(
+        format!(
+          "c/monero/build/release/src/{}/{}{}.a",
           folder,
           &env::consts::DLL_PREFIX,
-          lib,
-          &env::consts::DLL_EXTENSION
-        ),
-        out_dir
-      ]).status().unwrap().success() {
-        panic!("Failed to cp {}", lib);
+          lib
+        )
+      );
+    }
+
+    for path in paths {
+      if !Command::new("cp").args(&[&path, out_dir]).status().unwrap().success() {
+        panic!("Failed to cp {}", path);
       }
     }
   }
 
   println!("cargo:rerun-if-changed=c/wrapper.cpp");
-  if !Command::new("g++").args(&[
-    "-O3", "-Wall", "-shared", "-std=c++14", "-fPIC",
-    "-Imonero/contrib/epee/include", "-Imonero/src",
-    "wrapper.cpp", "-o", &format!(
-      "{}/{}wrapper.{}",
-      out_dir,
-      &env::consts::DLL_PREFIX,
-      &env::consts::DLL_EXTENSION
-    ),
-    &format!("-L{}", out_dir),
-    "-ldevice", "-lringct_basic", "-lringct"
-  ]).current_dir(&Path::new("c")).status().unwrap().success() {
-    panic!("g++ failed to build the wrapper");
+  if !Path::new(&format!("{}/{}wrapper.a", out_dir, &env::consts::DLL_PREFIX)).exists() {
+    cc::Build::new()
+      .file("c/wrapper.cpp")
+      .cpp(true)
+      .warnings(false)
+      .include("c/monero/contrib/epee/include")
+      .include("c/monero/src")
+      .compile("wrapper");
   }
 
   println!("cargo:rustc-link-search={}", out_dir);
-  println!("cargo:rustc-link-lib=cncrypto");
-  println!("cargo:rustc-link-lib=device");
-  println!("cargo:rustc-link-lib=ringct_basic");
-  println!("cargo:rustc-link-lib=ringct");
   println!("cargo:rustc-link-lib=wrapper");
+  println!("cargo:rustc-link-lib=ringct");
+  println!("cargo:rustc-link-lib=ringct_basic");
+  println!("cargo:rustc-link-lib=device");
+  println!("cargo:rustc-link-lib=cryptonote_basic");
+  println!("cargo:rustc-link-lib=cncrypto");
+  println!("cargo:rustc-link-lib=cryptonote_format_utils_basic");
+  println!("cargo:rustc-link-lib=version");
+  println!("cargo:rustc-link-lib=wallet-crypto");
+  println!("cargo:rustc-link-lib=easylogging");
+  println!("cargo:rustc-link-lib=epee");
+  println!("cargo:rustc-link-lib=common");
+  println!("cargo:rustc-link-lib=randomx");
+  println!("cargo:rustc-link-lib=unbound");
+  println!("cargo:rustc-link-lib=sodium");
+  println!("cargo:rustc-link-lib=boost_system");
+  println!("cargo:rustc-link-lib=boost_thread");
+  println!("cargo:rustc-link-lib=boost_filesystem");
+  println!("cargo:rustc-link-lib=hidapi-hidraw");
+  println!("cargo:rustc-link-lib=stdc++");
+
+  println!("cargo:rustc-link-arg=-zmuldefs");
 }