diff --git a/crates/compiler/src/solc.rs b/crates/compiler/src/solc.rs
index a3ae816..7755645 100644
--- a/crates/compiler/src/solc.rs
+++ b/crates/compiler/src/solc.rs
@@ -32,7 +32,7 @@ pub struct Solc {
 impl SolidityCompiler for Solc {
     type Options = ();
 
-    #[tracing::instrument(level = "debug", ret)]
+    #[tracing::instrument(level = "info", ret)]
     async fn build(
         &self,
         CompilerInput {
diff --git a/crates/core/src/main.rs b/crates/core/src/main.rs
index 87063bd..3b36ed0 100644
--- a/crates/core/src/main.rs
+++ b/crates/core/src/main.rs
@@ -329,7 +329,7 @@ async fn start_reporter_task(mut report_rx: mpsc::UnboundedReceiver<(Test, CaseR
 
     const GREEN: &str = "\x1B[32m";
     const RED: &str = "\x1B[31m";
-    const COLOUR_RESET: &str = "\x1B[0m";
+    const COLOR_RESET: &str = "\x1B[0m";
     const BOLD: &str = "\x1B[1m";
     const BOLD_RESET: &str = "\x1B[22m";
 
@@ -348,13 +348,13 @@ async fn start_reporter_task(mut report_rx: mpsc::UnboundedReceiver<(Test, CaseR
             Ok(_inputs) => {
                 number_of_successes += 1;
                 eprintln!(
-                    "{GREEN}Case Succeeded:{COLOUR_RESET} {test_path} -> {case_name}:{case_idx} (mode: {test_mode})"
+                    "{GREEN}Case Succeeded:{COLOR_RESET} {test_path} -> {case_name}:{case_idx} (mode: {test_mode})"
                 );
             }
             Err(err) => {
                 number_of_failures += 1;
                 eprintln!(
-                    "{RED}Case Failed:{COLOUR_RESET} {test_path} -> {case_name}:{case_idx} (mode: {test_mode})"
+                    "{RED}Case Failed:{COLOR_RESET} {test_path} -> {case_name}:{case_idx} (mode: {test_mode})"
                 );
                 failures.push((test, err));
             }
@@ -377,14 +377,14 @@ async fn start_reporter_task(mut report_rx: mpsc::UnboundedReceiver<(Test, CaseR
             let test_mode = test.mode.clone();
 
             eprintln!(
-                "---- {RED}Case Failed:{COLOUR_RESET} {test_path} -> {case_name}:{case_idx} (mode: {test_mode:?}) ----\n\n{err}\n"
+                "---- {RED}Case Failed:{COLOR_RESET} {test_path} -> {case_name}:{case_idx} (mode: {test_mode}) ----\n\n{err}\n"
             );
         }
     }
 
     // Summary at the end.
     eprintln!(
-        "{} cases: {GREEN}{number_of_successes}{COLOUR_RESET} cases succeeded, {RED}{number_of_failures}{COLOUR_RESET} cases failed in {} seconds",
+        "{} cases: {GREEN}{number_of_successes}{COLOR_RESET} cases succeeded, {RED}{number_of_failures}{COLOR_RESET} cases failed in {} seconds",
         number_of_successes + number_of_failures,
         elapsed.as_secs()
     );
diff --git a/crates/node/src/geth.rs b/crates/node/src/geth.rs
index 819b5a0..4d7bab2 100644
--- a/crates/node/src/geth.rs
+++ b/crates/node/src/geth.rs
@@ -33,7 +33,7 @@ use alloy::{
 };
 use anyhow::Context;
 use revive_common::EVMVersion;
-use tracing::{Instrument, Level};
+use tracing::Instrument;
 
 use revive_dt_common::{fs::clear_directory, futures::poll};
 use revive_dt_config::Arguments;
@@ -48,7 +48,7 @@ static NODE_COUNT: AtomicU32 = AtomicU32::new(0);
 ///
 /// Implements helpers to initialize, spawn and wait the node.
 ///
-/// Assumes dev mode and IPC only (`P2P`, `http`` etc. are kept disabled).
+/// Assumes dev mode and IPC only (`P2P`, `http` etc. are kept disabled).
 ///
 /// Prunes the child process and the base directory on drop.
 #[derive(Debug)]
@@ -228,12 +228,12 @@ impl GethNode {
         }
     }
 
-    #[tracing::instrument(skip_all, fields(geth_node_id = self.id), level = Level::TRACE)]
+    #[tracing::instrument(skip_all, fields(geth_node_id = self.id), level = "trace")]
     fn geth_stdout_log_file_path(&self) -> PathBuf {
         self.logs_directory.join(Self::GETH_STDOUT_LOG_FILE_NAME)
     }
 
-    #[tracing::instrument(skip_all, fields(geth_node_id = self.id), level = Level::TRACE)]
+    #[tracing::instrument(skip_all, fields(geth_node_id = self.id), level = "trace")]
     fn geth_stderr_log_file_path(&self) -> PathBuf {
         self.logs_directory.join(Self::GETH_STDERR_LOG_FILE_NAME)
     }
@@ -257,7 +257,11 @@ impl GethNode {
         Box::pin(async move {
             ProviderBuilder::new()
                 .disable_recommended_fillers()
-                .filler(FallbackGasFiller::new(500_000_000, 500_000_000, 1))
+                .filler(FallbackGasFiller::new(
+                    25_000_000,
+                    100_000_000_000,
+                    1_000_000_000,
+                ))
                 .filler(ChainIdFiller::default())
                 .filler(NonceFiller::new(nonce_manager))
                 .wallet(wallet)
@@ -278,7 +282,7 @@ impl EthereumNode for GethNode {
         let span = tracing::debug_span!("Submitting transaction", ?transaction);
         let _guard = span.enter();
 
-        let provider = Arc::new(self.provider().await?);
+        let provider = self.provider().await.map(Arc::new)?;
         let transaction_hash = *provider.send_transaction(transaction).await?.tx_hash();
 
         // The following is a fix for the "transaction indexing is in progress" error that we used
@@ -323,6 +327,7 @@ impl EthereumNode for GethNode {
             ?transaction_hash
         ))
         .await
+        .inspect(|receipt| tracing::info!(gas_used = receipt.gas_used, "Gas used on transaction"))
     }
 
     #[tracing::instrument(level = "info", skip_all, fields(geth_node_id = self.id), err)]