fix: easy to use test.

networks/movement/movement-client/Cargo.toml

@@ -77,6 +77,7 @@ mcr-settlement-client = { workspace = true }
 movement-config = { workspace = true }
 dot-movement = { workspace = true }
 aptos-protos = { workspace = true }
+tracing-test = { workspace = true }
 
 [lints]
 workspace = true

networks/movement/movement-client/src/lib.rs

@@ -6,3 +6,48 @@ pub use aptos_sdk::*;
 pub use movement_da_light_node_client::*;
 pub use movement_da_light_node_proto::*;
 pub use movement_types;
+
+#[cfg(test)]
+pub mod test {
+
+	use tracing::info;
+
+	use super::{
+		move_types::identifier::Identifier,
+		move_types::language_storage::ModuleId,
+		transaction_builder::TransactionBuilder,
+		types::account_address::AccountAddress,
+		types::chain_id::ChainId,
+		types::transaction::{EntryFunction, TransactionPayload},
+		types::LocalAccount,
+	};
+	use std::time::{SystemTime, UNIX_EPOCH};
+
+	#[tokio::test]
+	#[tracing_test::traced_test]
+	pub async fn test_transaction_size() -> Result<(), anyhow::Error> {
+		let mut alice = LocalAccount::generate(&mut rand::rngs::OsRng);
+		let transaction_builder = TransactionBuilder::new(
+			TransactionPayload::EntryFunction(EntryFunction::new(
+				ModuleId::new(AccountAddress::from_str_strict("0x1")?, Identifier::new("coin")?),
+				Identifier::new("transfer")?,
+				vec![],
+				vec![],
+			)),
+			SystemTime::now().duration_since(UNIX_EPOCH)?.as_secs() + 20,
+			ChainId::new(1),
+		)
+		.sender(alice.address())
+		.sequence_number(alice.sequence_number())
+		.max_gas_amount(5_000)
+		.gas_unit_price(100);
+
+		// create the blob write
+		let signed_transaction = alice.sign_with_transaction_builder(transaction_builder);
+		let txn_hash = signed_transaction.committed_hash();
+		let serialized_aptos_transaction = bcs::to_bytes(&signed_transaction)?;
+		info!("transaction size {}", serialized_aptos_transaction.len());
+
+		Ok(())
+	}
+}