diff --git a/src/crypto.rs b/src/crypto.rs
index a339826..d74ce05 100644
--- a/src/crypto.rs
+++ b/src/crypto.rs
@@ -33,7 +33,7 @@ impl PublicKey {
         PK::from_bytes(&self.key).unwrap()
             .verify(
                 msg.get_hash().as_ref(),
-                &Signature::from_bytes(&msg.clone().sign.into_boxed_slice()).unwrap()
+                &Signature::from_bytes(&msg.clone().sign.into_boxed_slice()).unwrap(),
             ).is_ok()
     }
 }
diff --git a/src/ironforce.rs b/src/ironforce.rs
index 79768b7..4fc5204 100644
--- a/src/ironforce.rs
+++ b/src/ironforce.rs
@@ -1,14 +1,33 @@
 use crate::transport::Transport;
 use crate::crypto::{PublicKey, KeyPack};
+use crate::message::{Message, MsgType};
+
+use alloc::vec::Vec;
 
 
 pub struct IronForce {
     transport: Transport,
-    key_pack: KeyPack
+    key_pack: KeyPack,
 }
 
 impl IronForce {
-    pub fn gen() -> IronForce {
+    pub fn new() -> IronForce {
         IronForce { transport: Transport {}, key_pack: KeyPack::gen() }
     }
+
+    fn new_message(&self, msg_type: MsgType, body: Vec<u8>) -> Message {
+        Message::new(msg_type, body, &self.key_pack)
+    }
+
+    fn service_msg(&self, body: Vec<u8>) {
+        self.transport.send(&self.new_message(MsgType::Service, body))
+    }
+
+    pub fn multicast(&self, body: Vec<u8>) {
+        self.transport.send(&self.new_message(MsgType::MultiCast, body))
+    }
+
+    pub fn send_message_to(&self, to: PublicKey, body: Vec<u8>) {
+        self.transport.send(&self.new_message(MsgType::ToTarget(to), body))
+    }
 }
diff --git a/src/lib.rs b/src/lib.rs
index 401b1c6..057039f 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -12,53 +12,58 @@ mod error;
 
 #[cfg(test)]
 mod tests {
-    use crate::ironforce::IronForce;
-    use crate::message::{MsgType, Message};
-    use crate::crypto::KeyPack;
-    use alloc::vec::Vec;
 
-    #[test]
-    fn creation_works() {
-        IronForce::gen();
+    mod iron_force {
+        #[test]
+        fn creation_works() {
+            use crate::ironforce::IronForce;
+            IronForce::new();
+        }
     }
 
-    #[test]
-    fn serialization() {
-        let key_pack = KeyPack::gen();
-        let msg = Message::new(
-            MsgType::MultiCast, Vec::<u8>::new(), &key_pack
-        );
-        let serialized = &msg.ser();
-        let msg2 = Message::deserialize(serialized.to_vec());
-        assert_eq!(msg2.msg_type, MsgType::MultiCast);
-    }
+    mod message {
+        use crate::message::{MsgType, Message};
+        use crate::crypto::KeyPack;
+        use alloc::vec::Vec;
 
-    #[test]
-    fn valid_message_creation() {
-        let msg = Message::new(
-            MsgType::MultiCast, Vec::<u8>::new(), &KeyPack::gen()
-        );
-        assert!(&msg.verify());
-    }
+        #[test]
+        fn serialization() {
+            let key_pack = KeyPack::gen();
+            let msg = Message::new(
+                MsgType::MultiCast, Vec::<u8>::new(), &key_pack,
+            );
+            let serialized = &msg.ser();
+            let msg2 = Message::deserialize(serialized.to_vec());
+            assert_eq!(msg2.msg_type, MsgType::MultiCast);
+        }
 
-    #[test]
-    fn test_invalid_sign() {
-        let key_pack = KeyPack::gen();
-        let mut msg = Message::new(
-            MsgType::MultiCast, Vec::<u8>::new(), &key_pack
-        );
-        msg.sign = [0;64].to_vec();
-        assert!(!&msg.verify());
-        msg.hash = [0;64].to_vec();
-        msg.sign = key_pack.sign(&msg);
-        assert!(!&msg.verify());
-    }
+        #[test]
+        fn valid_message_creation() {
+            let msg = Message::new(
+                MsgType::MultiCast, Vec::<u8>::new(), &KeyPack::gen(),
+            );
+            assert!(&msg.verify());
+        }
+
+        #[test]
+        fn test_invalid_sign() {
+            let key_pack = KeyPack::gen();
+            let mut msg = Message::new(
+                MsgType::MultiCast, Vec::<u8>::new(), &key_pack,
+            );
+            msg.sign = [0; 64].to_vec();
+            assert!(!&msg.verify());
+            msg.hash = [0; 64].to_vec();
+            msg.sign = key_pack.sign(&msg);
+            assert!(!&msg.verify());
+        }
 
-    #[test]
-    fn test_hash() {
-        let msg = Message::new(
-            MsgType::MultiCast, Vec::<u8>::new(), &crate::crypto::KeyPack::gen()
-        );
-        msg.get_hash();
+        #[test]
+        fn test_hash() {
+            let msg = Message::new(
+                MsgType::MultiCast, Vec::<u8>::new(), &crate::crypto::KeyPack::gen(),
+            );
+            msg.get_hash();
+        }
     }
 }
diff --git a/src/message.rs b/src/message.rs
index 1d35cf9..e34bf16 100644
--- a/src/message.rs
+++ b/src/message.rs
@@ -10,6 +10,7 @@ use ed25519_dalek::Signature;
 pub enum MsgType {
     MultiCast,
     ToTarget(PublicKey),
+    Service,
 }
 
 #[derive(Debug, PartialEq, Serialize, Deserialize, Clone)]
@@ -29,7 +30,7 @@ impl Message {
             body: self.body.clone(),
             source: self.source.clone(),
             hash: Vec::<u8>::new(),
-            sign: Vec::<u8>::new()
+            sign: Vec::<u8>::new(),
         };
         hasher.input(msg2.ser());
         hasher.result().to_vec()
diff --git a/src/transport.rs b/src/transport.rs
index e3f5577..9c281fc 100644
--- a/src/transport.rs
+++ b/src/transport.rs
@@ -1,2 +1,16 @@
+use crate::message::{Message, MsgType};
+use alloc::vec::Vec;
 
-pub(crate) struct Transport {}
+pub struct Transport {}
+
+impl Transport {
+    pub fn send(&self, msg: &Message) {
+
+    }
+
+    pub fn receive(&self) -> Message {
+        Message::new(MsgType::Service,
+                     Vec::<u8>::new(),
+                     &crate::crypto::KeyPack::gen())
+    }
+}