diff --git a/src/blockheader.rs b/src/blockheader.rs
index 2467127e2..50a8d9c35 100644
--- a/src/blockheader.rs
+++ b/src/blockheader.rs
@@ -64,3 +64,8 @@ impl Encodable for BlockHeader {
 	}
 }
 
+#[cfg(test)]
+mod tests {
+	fn encoding_and_decoding() {
+	}
+}
diff --git a/src/lib.rs b/src/lib.rs
index b55c90299..8037140df 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -77,6 +77,7 @@ extern crate ethcore_util as util;
 extern crate evmjit;
 
 pub mod blockheader;
+pub mod transaction;
 
 #[test]
 fn it_works() {
diff --git a/src/transaction.rs b/src/transaction.rs
new file mode 100644
index 000000000..3b27ef03d
--- /dev/null
+++ b/src/transaction.rs
@@ -0,0 +1,42 @@
+use util::hash::*;
+use util::uint::*;
+use util::rlp::*;
+
+pub struct Transaction {
+	nonce: U256,
+	gas_price: U256,
+	gas: U256,
+	receive_address: Option<Address>,
+	value: U256,
+	data: Vec<u8>,
+}
+
+impl Encodable for Transaction {
+	fn encode<E>(&self, encoder: &mut E) where E: Encoder {
+		encoder.emit_list(| e | {
+			self.nonce.encode(e);
+			self.gas_price.encode(e);
+			self.gas.encode(e);
+			self.receive_address.encode(e);
+			self.value.encode(e);
+			self.data.encode(e);
+		})
+	}
+}
+
+impl Decodable for Transaction {
+	fn decode<D>(decoder: &D) -> Result<Self, DecoderError>  where D: Decoder {
+		decoder.read_list(| d | {
+			let transaction = Transaction {
+				nonce: try!(Decodable::decode(&d[0])),
+				gas_price: try!(Decodable::decode(&d[1])),
+				gas: try!(Decodable::decode(&d[2])),
+				receive_address: try!(Decodable::decode(&d[3])),
+				value: try!(Decodable::decode(&d[4])),
+				data: try!(Decodable::decode(&d[5])),
+			};
+			Ok(transaction)
+		})
+	}
+}
+