wakeup add is now async because of user data api

lib/wakeup.js

@@ -1,5 +1,6 @@
 const b4a = require('b4a')
 const c = require('compact-encoding')
+const safetyCatch = require('safety-catch')
 const ReadyResource = require('ready-resource')
 
 const WakeupEntry = {
@@ -143,18 +144,17 @@ module.exports = class AutoWakeup extends ReadyResource {
 
   add (core) {
     if (core.writable || !core.opened) return // no need to track local cores...
-    return this._add(core)
+    return this._add(core).catch(safetyCatch)
   }
 
   remove (core) {
     return this._remove(core)
   }
 
-  _add (core) {
-    const userData = core.header.userData // unsafe but sync so much less race-condition-ey
+  async _add (core) {
     let referrer = null
 
-    for (const { key, value } of userData) {
+    for await (const { key, value } of core.getUserData()) {
       if (key === 'referrer') referrer = value
       else if (key === 'autobase/view') return false
     }

lib/writer.js

@@ -79,7 +79,7 @@ module.exports = class Writer extends ReadyResource {
     this.recover = autoRecover(this.core)
 
     // add it again incase it wasn't readied before, only needed if this is the first time we set the referrer...
-    this.base._wakeup.add(this.core.core)
+    await this.base._wakeup.add(this.core.core)
   }
 
   // in case we are in the middle of a migration we might need to old sigs to reach threshold on the new cores

package.json

@@ -36,7 +36,7 @@
     "core-coupler": "^1.0.0",
     "debounceify": "^1.0.0",
     "hyperbee": "^2.15.0",
-    "hypercore": "github:holepunchto/hypercore#rocksdb-memory-view",
+    "hypercore": "github:holepunchto/hypercore#rocksdb-user-data",
     "hypercore-crypto": "^3.4.0",
     "hypercore-id-encoding": "^1.2.0",
     "mutexify": "^1.4.0",
@@ -50,7 +50,7 @@
   "devDependencies": {
     "autobase-test-helpers": "^2.0.1",
     "brittle": "^3.1.1",
-    "corestore": "github:holepunchto/corestore#v7-memory-view",
+    "corestore": "github:holepunchto/corestore#v7",
     "rache": "^1.0.0",
     "random-access-memory": "^6.2.0",
     "same-data": "^1.0.0",