diff --git a/bridges/bin/millau/node/Cargo.toml b/bridges/bin/millau/node/Cargo.toml
index a03078163a..3432701e0d 100644
--- a/bridges/bin/millau/node/Cargo.toml
+++ b/bridges/bin/millau/node/Cargo.toml
@@ -26,6 +26,7 @@ pallet-message-lane-rpc = { path = "../../../modules/message-lane/rpc" }
 
 frame-benchmarking = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
 frame-benchmarking-cli = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
+node-inspect = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
 sc-basic-authorship = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
 sc-cli = { git = "https://github.com/paritytech/substrate.git", branch = "master", features = ["wasmtime"] }
 sc-client-api = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
@@ -35,14 +36,14 @@ sc-executor = { git = "https://github.com/paritytech/substrate.git", branch = "m
 sc-finality-grandpa = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
 sc-finality-grandpa-rpc = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
 sc-keystore = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
-sc-service = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
 sc-rpc = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
+sc-service = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
 sc-transaction-pool = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
 sp-consensus = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
 sp-consensus-aura = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
 sp-core = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
-sp-inherents = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
 sp-finality-grandpa = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
+sp-inherents = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
 sp-runtime = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
 substrate-frame-rpc-system = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
 
diff --git a/bridges/bin/millau/node/src/cli.rs b/bridges/bin/millau/node/src/cli.rs
index 1149c4f910..c1d42a1f21 100644
--- a/bridges/bin/millau/node/src/cli.rs
+++ b/bridges/bin/millau/node/src/cli.rs
@@ -31,6 +31,7 @@ pub struct Cli {
 pub enum Subcommand {
 	/// Key management cli utilities
 	Key(sc_cli::KeySubcommand),
+
 	/// Verify a signature for a message, provided on STDIN, with a given (public or secret) key.
 	Verify(sc_cli::VerifyCmd),
 
@@ -61,7 +62,9 @@ pub enum Subcommand {
 	/// Revert the chain to a previous state.
 	Revert(sc_cli::RevertCmd),
 
-	/// The custom benchmark subcommmand benchmarking runtime pallets.
-	#[structopt(name = "benchmark", about = "Benchmark runtime pallets.")]
+	/// Inspect blocks or extrinsics.
+	Inspect(node_inspect::cli::InspectCmd),
+
+	/// Benchmark runtime pallets.
 	Benchmark(frame_benchmarking_cli::BenchmarkCmd),
 }
diff --git a/bridges/bin/millau/node/src/command.rs b/bridges/bin/millau/node/src/command.rs
index 8751a4516d..8e6427ed80 100644
--- a/bridges/bin/millau/node/src/command.rs
+++ b/bridges/bin/millau/node/src/command.rs
@@ -17,7 +17,7 @@
 use crate::cli::{Cli, Subcommand};
 use crate::service;
 use crate::service::new_partial;
-use millau_runtime::Block;
+use millau_runtime::{Block, RuntimeApi};
 use sc_cli::{ChainSpec, Role, RuntimeVersion, SubstrateCli};
 use sc_service::PartialComponents;
 
@@ -154,6 +154,10 @@ pub fn run() -> sc_cli::Result<()> {
 				Ok((cmd.run(client, backend), task_manager))
 			})
 		}
+		Some(Subcommand::Inspect(cmd)) => {
+			let runner = cli.create_runner(cmd)?;
+			runner.sync_run(|config| cmd.run::<Block, RuntimeApi, service::Executor>(config))
+		}
 		None => {
 			let runner = cli.create_runner(&cli.run)?;
 			runner.run_node_until_exit(|config| async move {
diff --git a/bridges/bin/rialto/node/Cargo.toml b/bridges/bin/rialto/node/Cargo.toml
index 072667694a..da602d3586 100644
--- a/bridges/bin/rialto/node/Cargo.toml
+++ b/bridges/bin/rialto/node/Cargo.toml
@@ -26,6 +26,7 @@ rialto-runtime = { path = "../runtime" }
 
 frame-benchmarking = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
 frame-benchmarking-cli = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
+node-inspect = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
 sc-basic-authorship = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
 sc-cli = { git = "https://github.com/paritytech/substrate.git", branch = "master", features = ["wasmtime"] }
 sc-client-api = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
@@ -35,15 +36,15 @@ sc-executor = { git = "https://github.com/paritytech/substrate.git", branch = "m
 sc-finality-grandpa = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
 sc-finality-grandpa-rpc = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
 sc-keystore = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
-sc-service = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
 sc-rpc = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
-sc-transaction-pool = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
+sc-service = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
 sc-telemetry = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
+sc-transaction-pool = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
 sp-consensus = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
 sp-consensus-aura = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
 sp-core = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
-sp-inherents = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
 sp-finality-grandpa = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
+sp-inherents = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
 sp-runtime = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
 substrate-frame-rpc-system = { git = "https://github.com/paritytech/substrate.git", branch = "master" }
 
diff --git a/bridges/bin/rialto/node/src/cli.rs b/bridges/bin/rialto/node/src/cli.rs
index 1149c4f910..c1d42a1f21 100644
--- a/bridges/bin/rialto/node/src/cli.rs
+++ b/bridges/bin/rialto/node/src/cli.rs
@@ -31,6 +31,7 @@ pub struct Cli {
 pub enum Subcommand {
 	/// Key management cli utilities
 	Key(sc_cli::KeySubcommand),
+
 	/// Verify a signature for a message, provided on STDIN, with a given (public or secret) key.
 	Verify(sc_cli::VerifyCmd),
 
@@ -61,7 +62,9 @@ pub enum Subcommand {
 	/// Revert the chain to a previous state.
 	Revert(sc_cli::RevertCmd),
 
-	/// The custom benchmark subcommmand benchmarking runtime pallets.
-	#[structopt(name = "benchmark", about = "Benchmark runtime pallets.")]
+	/// Inspect blocks or extrinsics.
+	Inspect(node_inspect::cli::InspectCmd),
+
+	/// Benchmark runtime pallets.
 	Benchmark(frame_benchmarking_cli::BenchmarkCmd),
 }
diff --git a/bridges/bin/rialto/node/src/command.rs b/bridges/bin/rialto/node/src/command.rs
index 8242c9eaab..83d2a98b67 100644
--- a/bridges/bin/rialto/node/src/command.rs
+++ b/bridges/bin/rialto/node/src/command.rs
@@ -17,7 +17,7 @@
 use crate::cli::{Cli, Subcommand};
 use crate::service;
 use crate::service::new_partial;
-use rialto_runtime::Block;
+use rialto_runtime::{Block, RuntimeApi};
 use sc_cli::{ChainSpec, Role, RuntimeVersion, SubstrateCli};
 use sc_service::PartialComponents;
 
@@ -153,6 +153,10 @@ pub fn run() -> sc_cli::Result<()> {
 				Ok((cmd.run(client, backend), task_manager))
 			})
 		}
+		Some(Subcommand::Inspect(cmd)) => {
+			let runner = cli.create_runner(cmd)?;
+			runner.sync_run(|config| cmd.run::<Block, RuntimeApi, service::Executor>(config))
+		}
 		None => {
 			let runner = cli.create_runner(&cli.run)?;
 			runner
diff --git a/bridges/modules/call-dispatch/src/lib.rs b/bridges/modules/call-dispatch/src/lib.rs
index 7f41322455..87f7238d9a 100644
--- a/bridges/modules/call-dispatch/src/lib.rs
+++ b/bridges/modules/call-dispatch/src/lib.rs
@@ -606,7 +606,7 @@ mod tests {
 				vec![EventRecord {
 					phase: Phase::Initialization,
 					event: Event::call_dispatch(call_dispatch::Event::<TestRuntime>::MessageWeightMismatch(
-						bridge, id, 1973000, 0,
+						bridge, id, 1279000, 0,
 					)),
 					topics: vec![],
 				}],