diff --git a/rpc/src/v1/impls/eth.rs b/rpc/src/v1/impls/eth.rs
index a68fc91fd..2fe887654 100644
--- a/rpc/src/v1/impls/eth.rs
+++ b/rpc/src/v1/impls/eth.rs
@@ -476,11 +476,11 @@ impl<C, S, A, M, EM> Eth for EthClient<C, S, A, M, EM>
 							Ok(_) => to_value(&hash),
 							Err(e) => {
 								warn!("Error sending transaction: {:?}", e);
-								to_value(&U256::zero())
+								to_value(&H256::zero())
 							}
 						}
 					},
-					Err(_) => { to_value(&U256::zero()) }
+					Err(_) => { to_value(&H256::zero()) }
 				}
 		})
 	}
@@ -503,11 +503,11 @@ impl<C, S, A, M, EM> Eth for EthClient<C, S, A, M, EM>
 							Ok(_) => to_value(&hash),
 							Err(e) => {
 								warn!("Error sending transaction: {:?}", e);
-								to_value(&U256::zero())
+								to_value(&H256::zero())
 							}
 						}
 					},
-					Err(_) => { to_value(&U256::zero()) }
+					Err(_) => { to_value(&H256::zero()) }
 				}
 		})
 	}
diff --git a/rpc/src/v1/types/transaction_request.rs b/rpc/src/v1/types/transaction_request.rs
index 2623fd0ea..f00fa9ef0 100644
--- a/rpc/src/v1/types/transaction_request.rs
+++ b/rpc/src/v1/types/transaction_request.rs
@@ -102,4 +102,27 @@ mod tests {
 			nonce: None,
 		});
 	}
+
+	#[test]
+	fn transaction_request_deserialize_test() {
+		let s = r#"{
+			"from":"0xb5f7502a2807cb23615c7456055e1d65b2508625",
+			"to":"0x895d32f2db7d01ebb50053f9e48aacf26584fe40",
+			"data":"0x8595bab1",
+			"gas":"0x2fd618",
+			"gasPrice":"0x0ba43b7400"
+		}"#;
+
+		let deserialized: TransactionRequest = serde_json::from_str(s).unwrap();
+
+		assert_eq!(deserialized, TransactionRequest {
+			from: Address::from_str("b5f7502a2807cb23615c7456055e1d65b2508625").unwrap(),
+			to: Some(Address::from_str("895d32f2db7d01ebb50053f9e48aacf26584fe40").unwrap()),
+			gas_price: Some(U256::from_str("0ba43b7400").unwrap()),
+			gas: Some(U256::from_str("2fd618").unwrap()),
+			value: None,
+			data: Some(Bytes::new(vec![0x85, 0x95, 0xba, 0xb1])),
+			nonce: None,
+		});
+	}
 }