Fix tests

rpc/src/v1/helpers/fake_sign.rs

@@ -36,6 +36,6 @@ pub fn sign_call<B: MiningBlockChainClient, M: MinerService>(
 		gas: request.gas.unwrap_or(50_000_000.into()),
 		gas_price: request.gas_price.unwrap_or_else(|| default_gas_price(&**client, &**miner)),
 		value: request.value.unwrap_or(0.into()),
-		data: request.data.unwrap_or(Vec::new())
+		data: request.data.unwrap_or_default(),
 	}.fake_sign(from))
 }

rpc/src/v1/helpers/light_fetch.rs

@@ -192,7 +192,7 @@ impl LightFetch {
 			let action = req.to.map_or(Action::Create, Action::Call);
 			let gas = req.gas.unwrap_or(U256::from(10_000_000)); // better gas amount?
 			let value = req.value.unwrap_or_else(U256::zero);
-			let data = req.data.unwrap_or(Vec::new());
+			let data = req.data.unwrap_or_default();
 
 			future::done(match nonce {
 				Some(n) => Ok(EthTransaction {

rpc/src/v1/tests/mocked/signer.rs

@@ -518,7 +518,7 @@ fn should_confirm_decrypt_with_phrase() {
 	), Origin::Unknown).unwrap();
 	assert_eq!(tester.signer.requests().len(), 1);
 
-	let decrypted = serde_json::to_string(&RpcBytes::new(b"phrase".into_vec())).unwrap();
+	let decrypted = serde_json::to_string(&RpcBytes::new(b"phrase".to_vec())).unwrap();
 
 	// when
 	let request = r#"{