From 51f7e047a3040c8d3285ccb52e626047e13ceaec Mon Sep 17 00:00:00 2001
From: Luke Parker <lukeparker5132@gmail.com>
Date: Sat, 25 May 2024 19:38:32 -0400
Subject: [PATCH] Use a log statement for which wasm is used

---
 Cargo.lock                       | 1 +
 substrate/node/Cargo.toml        | 3 ++-
 substrate/node/src/chain_spec.rs | 5 ++++-
 3 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index ba0ab7659..2450c1906 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -8018,6 +8018,7 @@ dependencies = [
  "hex",
  "jsonrpsee",
  "libp2p",
+ "log",
  "pallet-transaction-payment-rpc",
  "rand_core",
  "sc-authority-discovery",
diff --git a/substrate/node/Cargo.toml b/substrate/node/Cargo.toml
index 60f7dc0f6..0e551c72b 100644
--- a/substrate/node/Cargo.toml
+++ b/substrate/node/Cargo.toml
@@ -20,10 +20,11 @@ workspace = true
 name = "serai-node"
 
 [dependencies]
+rand_core = "0.6"
 zeroize = "1"
 hex = "0.4"
+log = "0.4"
 
-rand_core = "0.6"
 schnorrkel = "0.11"
 
 libp2p = "0.52"
diff --git a/substrate/node/src/chain_spec.rs b/substrate/node/src/chain_spec.rs
index 6fa8d6c3e..664a422bb 100644
--- a/substrate/node/src/chain_spec.rs
+++ b/substrate/node/src/chain_spec.rs
@@ -18,9 +18,12 @@ fn account_from_name(name: &'static str) -> PublicKey {
 
 fn wasm_binary() -> Vec<u8> {
   // TODO: Accept a config of runtime path
-  if let Ok(binary) = std::fs::read("/runtime/serai.wasm") {
+  const WASM_PATH: &str = "/runtime/serai.wasm";
+  if let Ok(binary) = std::fs::read(WASM_PATH) {
+    log::info!("using {WASM_PATH}");
     return binary;
   }
+  log::info!("using built-in {WASM_PATH}");
   WASM_BINARY.ok_or("compiled in wasm not available").unwrap().to_vec()
 }