remove pkg/transformers; extract shared files needed to

libraries/shared; work on automated db migration management

libraries/shared/transformer/event_transformer.go

@@ -1,5 +1,18 @@
-// Auto-gen this code for different transformer interfaces/configs
-// based on config file to allow for more modularity
+// VulcanizeDB
+// Copyright © 2018 Vulcanize
+
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 package transformer
 
@@ -8,16 +21,16 @@ import (
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/vulcanize/vulcanizedb/pkg/core"
 
+	"github.com/vulcanize/vulcanizedb/libraries/shared/constants"
 	"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
-	"github.com/vulcanize/vulcanizedb/pkg/transformers/shared/constants"
 )
 
-type Transformer interface {
+type EventTransformer interface {
 	Execute(logs []types.Log, header core.Header, recheckHeaders constants.TransformerExecution) error
 	GetConfig() TransformerConfig
 }
 
-type TransformerInitializer func(db *postgres.DB) Transformer
+type TransformerInitializer func(db *postgres.DB) EventTransformer
 
 type TransformerConfig struct {
 	TransformerName     string

libraries/shared/transformer/storage_transformer.go

@@ -14,22 +14,18 @@
 // You should have received a copy of the GNU Affero General Public License
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-package transformer_test
+package transformer
 
 import (
-	"io/ioutil"
-	"log"
-	"testing"
+	"github.com/ethereum/go-ethereum/common"
 
-	. "github.com/onsi/ginkgo"
-	. "github.com/onsi/gomega"
+	"github.com/vulcanize/vulcanizedb/libraries/shared/utils"
+	"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
 )
 
-func TestShared(t *testing.T) {
-	RegisterFailHandler(Fail)
-	RunSpecs(t, "Shared Transformer Suite")
+type StorageTransformer interface {
+	Execute(row utils.StorageDiffRow) error
+	ContractAddress() common.Address
 }
 
-var _ = BeforeSuite(func() {
-	log.SetOutput(ioutil.Discard)
-})
+type StorageTransformerInitializer func(db *postgres.DB) StorageTransformer

libraries/shared/transformer/transformer_test.go

@@ -1,17 +0,0 @@
-// VulcanizeDB
-// Copyright © 2018 Vulcanize
-
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU Affero General Public License for more details.
-
-// You should have received a copy of the GNU Affero General Public License
-// along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-package transformer_test