diff --git a/README.md b/README.md
index 2d2633c5..dce26307 100644
--- a/README.md
+++ b/README.md
@@ -75,11 +75,11 @@ Check out the [docs site](https://docs.textile.io/) for more detailed usage inst
 
 ## Building
 
-There are various things to build… first off run setup:
+There are various things to build… first off, run setup:
 
     make setup
 
-If you plan on building the bindings fro iOS or Android, install and init the `gomobile` tools:
+If you plan on building the bindings for iOS or Android, install and init the `gomobile` tools:
 
     go get golang.org/x/mobile/cmd/gomobile
     gomobile init
@@ -100,11 +100,11 @@ If you plan on building the bindings fro iOS or Android, install and init the `g
 
     make docs
 
-#### Tray app
+#### Desktop
 
-The build is made by a vendored version of `go-astilectron-bundler`. Due to Go's painful package management, you'll want to delete any `go-astilectron`-related binaries and source code you have installed from `github.com/asticode` in your `$GOPATH`. Then you can install the vendored `go-astilectron-bundler`:
+Install `go-astilectron-bundler`:
 
-    go install ./vendor/github.com/asticode/go-astilectron-bundler/astilectron-bundler
+    go get github.com/asticode/go-astilectron-bundler/...
 
 Change into the `tray` folder and build the app:
 
@@ -113,7 +113,6 @@ Change into the `tray` folder and build the app:
 
 Double-click the built app in `tray/output/{darwin,linux,windows}-amd64`, or run it directly:
 
-
     go run *.go
 
 You can also build the architecture-specific versions with:
diff --git a/core/api_blocks.go b/core/api_blocks.go
index 608d0007..d4b9031e 100644
--- a/core/api_blocks.go
+++ b/core/api_blocks.go
@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"net/http"
 	"strconv"
+	"strings"
 
 	"github.com/gin-gonic/gin"
 	"github.com/textileio/go-textile/ipfs"
@@ -177,12 +178,15 @@ func (a *api) toDots(blocks *pb.BlockList) (string, error) {
 		dot := toDot(b)
 
 		for _, p := range b.Parents {
+			if strings.TrimSpace(p) == "" {
+				continue
+			}
 			pp, err := a.node.Block(p)
 			if err != nil {
-				log.Errorf("error getting block %s: %s", p, err)
+				log.Warningf("block %s: %s", p, err)
+				dots += "\n    " + dot + " -> MISSING_" + pre(p) + ";"
 				continue
 			}
-
 			dots += "\n    " + dot + " -> " + toDot(pp) + ";"
 		}
 	}
diff --git a/core/invites.go b/core/invites.go
index 9edcf5da..640ca200 100644
--- a/core/invites.go
+++ b/core/invites.go
@@ -99,8 +99,8 @@ func (t *Textile) Invites() *pb.InviteViewList {
 }
 
 // AcceptInvite adds a new thread, and notifies the inviter of the join
-func (t *Textile) AcceptInvite(inviteId string) (mh.Multihash, error) {
-	invite := t.datastore.Invites().Get(inviteId)
+func (t *Textile) AcceptInvite(id string) (mh.Multihash, error) {
+	invite := t.datastore.Invites().Get(id)
 	if invite == nil {
 		return nil, ErrThreadInviteNotFound
 	}
@@ -110,7 +110,7 @@ func (t *Textile) AcceptInvite(inviteId string) (mh.Multihash, error) {
 		return nil, err
 	}
 
-	if err := t.IgnoreInvite(inviteId); err != nil {
+	if err := t.IgnoreInvite(id); err != nil {
 		return nil, err
 	}
 
@@ -119,8 +119,8 @@ func (t *Textile) AcceptInvite(inviteId string) (mh.Multihash, error) {
 
 // AcceptExternalInvite attemps to download an encrypted thread key from an external invite,
 // adds a new thread, and notifies the inviter of the join
-func (t *Textile) AcceptExternalInvite(inviteId string, key []byte) (mh.Multihash, error) {
-	ciphertext, err := ipfs.DataAtPath(t.node, fmt.Sprintf("%s", inviteId))
+func (t *Textile) AcceptExternalInvite(id string, key []byte) (mh.Multihash, error) {
+	ciphertext, err := ipfs.DataAtPath(t.node, fmt.Sprintf("%s", id))
 	if err != nil {
 		return nil, err
 	}
@@ -134,11 +134,11 @@ func (t *Textile) AcceptExternalInvite(inviteId string, key []byte) (mh.Multihas
 }
 
 // IgnoreInvite deletes the invite and removes the associated notification.
-func (t *Textile) IgnoreInvite(inviteId string) error {
-	if err := t.datastore.Invites().Delete(inviteId); err != nil {
+func (t *Textile) IgnoreInvite(id string) error {
+	if err := t.datastore.Invites().Delete(id); err != nil {
 		return err
 	}
-	return t.datastore.Notifications().DeleteByBlock(inviteId)
+	return t.datastore.Notifications().DeleteByBlock(id)
 }
 
 // handleThreadAdd uses an add block to join a thread
diff --git a/mobile/invites.go b/mobile/invites.go
index 56e0aa5d..39075921 100644
--- a/mobile/invites.go
+++ b/mobile/invites.go
@@ -29,7 +29,26 @@ func (m *Mobile) AddExternalInvite(threadId string) ([]byte, error) {
 	return proto.Marshal(invite)
 }
 
-// AcceptExternalInvite notifies the thread of a join
+// Invites calls core Invites
+func (m *Mobile) Invites() ([]byte, error) {
+	return proto.Marshal(m.node.Invites())
+}
+
+// AcceptInvite calls core AcceptInvite
+func (m *Mobile) AcceptInvite(id string) (string, error) {
+	if !m.node.Online() {
+		return "", core.ErrOffline
+	}
+
+	hash, err := m.node.AcceptInvite(id)
+	if err != nil {
+		return "", err
+	}
+
+	return hash.B58String(), nil
+}
+
+// AcceptExternalInvite calls core AcceptExternalInvite
 func (m *Mobile) AcceptExternalInvite(id string, key string) (string, error) {
 	if !m.node.Online() {
 		return "", core.ErrOffline
@@ -47,3 +66,12 @@ func (m *Mobile) AcceptExternalInvite(id string, key string) (string, error) {
 
 	return hash.B58String(), nil
 }
+
+// IgnoreInvite calls core IgnoreInvite
+func (m *Mobile) IgnoreInvite(id string) error {
+	if !m.node.Online() {
+		return core.ErrOffline
+	}
+
+	return m.node.IgnoreInvite(id)
+}