diff --git a/net/src/lib.rs b/net/src/lib.rs
index 55e7234d..7ece8f0a 100644
--- a/net/src/lib.rs
+++ b/net/src/lib.rs
@@ -11,6 +11,7 @@ mod ip;
 mod message;
 mod port;
 mod service;
+mod version;
 
 pub use primitives::{hash, bytes};
 
@@ -22,3 +23,4 @@ pub use self::ip::IpAddress;
 pub use self::message::Message;
 pub use self::port::Port;
 pub use self::service::ServiceFlags;
+pub use self::version::{Version, Simple, V106, V70001};
diff --git a/net/src/version.rs b/net/src/version.rs
new file mode 100644
index 00000000..a99e9b0c
--- /dev/null
+++ b/net/src/version.rs
@@ -0,0 +1,34 @@
+use {ServiceFlags, NetAddress};
+
+pub enum Version {
+	Simple(Simple),
+	V106(V106),
+	V70001(V70001),
+}
+
+pub struct Simple {
+	pub version: u32,
+	pub services: ServiceFlags,
+	pub timestamp: i64,
+	pub receiver: NetAddress,
+}
+
+pub struct V106 {
+	pub version: u32,
+	pub services: ServiceFlags,
+	pub timestamp: i64,
+	pub receiver: NetAddress,
+	pub from: NetAddress,
+	pub nonce: u64,
+	// TODO: read str
+}
+
+pub struct V70001 {
+	pub version: u32,
+	pub services: ServiceFlags,
+	pub timestamp: i64,
+	pub receiver: NetAddress,
+	pub from: NetAddress,
+	pub nonce: u64,
+	// TODO: read str
+}
diff --git a/tools/graph.dot b/tools/graph.dot
index 40ba52f2..acfd3aa5 100644
--- a/tools/graph.dot
+++ b/tools/graph.dot
@@ -43,6 +43,7 @@ digraph dependencies {
 	N3 -> N15[label="",style=dashed];
 	N3 -> N18[label="",style=dashed];
 	N3 -> N22[label="",style=dashed];
+	N4 -> N1[label="",style=dashed];
 	N4 -> N5[label="",style=dashed];
 	N4 -> N7[label="",style=dashed];
 	N4 -> N13[label="",style=dashed];
diff --git a/tools/graph.png b/tools/graph.png
index 2dab4d11..f1741571 100644
Binary files a/tools/graph.png and b/tools/graph.png differ