🎨 add consensus secret key to file, in tests

integration_tests/Cargo.toml

@@ -41,6 +41,7 @@ tari_wallet = { git = "https://github.com/tari-project/tari.git", tag = "v0.51.0
 
 anyhow = "1.0.53"
 base64 = "0.21.0"
+blst = "0.3.10"
 config = "0.13.0"
 cucumber = { version = "0.18.0", features = ["default", "libtest", "output-junit"] }
 httpmock = { git = "https://github.com/sdbondi/httpmock.git", branch = "remove-signal-handling" }

integration_tests/src/validator_node.rs

@@ -143,6 +143,17 @@ pub async fn spawn_validator_node(
 
         // Add all other VNs as peer seeds
         config.peer_seeds.peer_seeds = StringList::from(peer_seeds);
+
+        // write BLS consensus secret key on the file
+        let random_seed: [u8; 32] = rand::random();
+        let consensus_secret_key = blst::min_sig::SecretKey::key_gen(&random_seed, &[])
+            .expect("Failed to generate secret key from random material");
+        std::fs::write(
+            temp_dir.join("consensus_secret_key_file.json"),
+            consensus_secret_key.to_bytes(),
+        )
+        .expect("Failed to save BLS secret key to file");
+
         run_validator_node(&config, shutdown_signal).await
     });