chore: release version v0.7.2

package.json

@@ -1,6 +1,6 @@
 {
   "name": "libp2p-tcp",
-  "version": "0.7.0",
+  "version": "0.7.2",
   "description": "Node.js implementation of the TCP module that libp2p uses, which implements the interface-connection and interface-transport interfaces",
   "main": "lib/index.js",
   "jsnext:main": "src/index.js",

src/index.js

@@ -38,9 +38,8 @@ function TCP () {
       conn.emit('timeout')
     })
 
-    socket.on('error', (err) => {
+    socket.once('error', (err) => {
       callback(err)
-      conn.emit('error', err)
     })
 
     socket.on('connect', () => {

test/libp2p-tcp.spec.js

@@ -214,6 +214,15 @@ describe('dial', () => {
     conn.on('end', done)
   })
 
+  it('dial to non existent listener', (done) => {
+    const ma = multiaddr('/ip4/127.0.0.1/tcp/8989')
+    const conn = tcp.dial(ma)
+    conn.on('error', (err) => {
+      expect(err).to.exist
+      done()
+    })
+  })
+
   it('dial on IPv6', (done) => {
     const ma = multiaddr('/ip6/::/tcp/9066')
     const listener = tcp.createListener((conn) => {