Add rough sentry reporting to catch panic in the mojang textures decoder

mojangtextures/in_memory_textures_storage.go

@@ -1,9 +1,12 @@
 package mojangtextures
 
 import (
+	"fmt"
 	"sync"
 	"time"
 
+	"github.com/getsentry/raven-go"
+
 	"github.com/elyby/chrly/api/mojang"
 
 	"github.com/tevino/abool"
@@ -75,9 +78,22 @@ func (s *InMemoryTexturesStorage) GetTextures(uuid string) (*mojang.SignedTextur
 func (s *InMemoryTexturesStorage) StoreTextures(uuid string, textures *mojang.SignedTexturesResponse) {
 	var timestamp int64
 	if textures != nil {
-		decoded := textures.DecodeTextures()
-		if decoded == nil {
-			panic("unable to decode textures")
+		decoded, err := textures.DecodeTextures()
+		if err != nil {
+			tags := map[string]string{
+				"textures.id":   textures.Id,
+				"textures.name": textures.Name,
+			}
+
+			for i, prop := range textures.Props {
+				tags[fmt.Sprintf("textures.props[%d].name", i)] = prop.Name
+				tags[fmt.Sprintf("textures.props[%d].value", i)] = prop.Value
+				tags[fmt.Sprintf("textures.props[%d].signature", i)] = prop.Signature
+			}
+
+			raven.CaptureErrorAndWait(err, tags)
+
+			panic(err)
 		}
 
 		timestamp = decoded.Timestamp

mojangtextures/in_memory_textures_storage_test.go

@@ -116,7 +116,7 @@ func TestInMemoryTexturesStorage_StoreTextures(t *testing.T) {
 			Props: []*mojang.Property{},
 		}
 
-		assert.PanicsWithValue(t, "unable to decode textures", func() {
+		assert.PanicsWithError(t, "unable to find the textures property", func() {
 			storage := NewInMemoryTexturesStorage()
 			storage.StoreTextures("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", toStore)
 		})