feat: add webrtc addresses (#130)

Adds webrtc address matching

src/index.ts

@@ -58,6 +58,12 @@ export const HTTPS = or(
   and(DNS, base('https'))
 )
 
+const _WebRTC = and(UDP, base('webrtc'), base('certhash'))
+export const WebRTC = or(
+  and(_WebRTC, base('p2p')),
+  _WebRTC
+)
+
 export const WebRTCStar = or(
   and(WebSockets, base('p2p-webrtc-star'), base('p2p')),
   and(WebSocketsSecure, base('p2p-webrtc-star'), base('p2p')),
@@ -89,7 +95,8 @@ export const Reliable = or(
   TCP,
   UTP,
   QUIC,
-  DNS
+  DNS,
+  WebRTC
 )
 
 // Unlike ws-star, stardust can run over any transport thus removing the requirement for websockets (but don't even think about running a stardust server over webrtc-star ;) )
@@ -102,6 +109,7 @@ const _P2P = or(
   and(Reliable, base('p2p')),
   WebRTCStar,
   WebRTCDirect,
+  WebRTC,
   base('p2p')
 )
 

test/index.spec.ts

@@ -190,6 +190,17 @@ describe('multiaddr validation', function () {
     '/dns6/nyc-2.bootstrap.libp2p.io/tcp/443/wss/p2p/QmSoLV4Bbm51jM9C4gDYZQ9Cy3U6aXMJDAbzgu2fzaDs64'
   ].concat(goodCircuit)
 
+  const goodWebRTC = [
+    '/ip4/0.0.0.0/udp/4004/webrtc/certhash/uEiAeP0OEmBbGVTH5Bhnm3WopwRNSQ0et46xNkn2dIagnGw',
+    '/ip4/0.0.0.0/udp/4004/webrtc/certhash/uEiAeP0OEmBbGVTH5Bhnm3WopwRNSQ0et46xNkn2dIagnGw/p2p/QmSoLV4Bbm51jM9C4gDYZQ9Cy3U6aXMJDAbzgu2fzaDs64'
+  ]
+
+  const badWebRTC = [
+    '/ip4/0.0.0.0/udp/4004/webrtc',
+    '/ip4/0.0.0.0/tcp/4004/webrtc',
+    '/ip4/0.0.0.0/udp/4004/webrtc/uEiAeP0OEmBbGVTH5Bhnm3WopwRNSQ0et46xNkn2dIagnGw/p2p/QmSoLV4Bbm51jM9C4gDYZQ9Cy3U6aXMJDAbzgu2fzaDs64'
+  ]
+
   function assertMatches (p: Mafmt, ...tests: string[][]) {
     tests.forEach(function (test) {
       test.forEach(function (testcase) {
@@ -323,4 +334,9 @@ describe('multiaddr validation', function () {
   it('IPFS validation', function () {
     assertMatches(mafmt.IPFS, goodIPFS)
   })
+
+  it('WebRTC validation', function () {
+    assertMatches(mafmt.WebRTC, goodWebRTC)
+    assertMismatches(mafmt.WebRTC, badWebRTC)
+  })
 })