remove pkg/transformers; extract shared files needed to

libraries/shared; work on automated db migration management

libraries/shared/mocks/transformer.go

@@ -0,0 +1,62 @@
+// 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 mocks
+
+import (
+	"github.com/ethereum/go-ethereum/core/types"
+
+	"github.com/vulcanize/vulcanizedb/libraries/shared/constants"
+	shared_t "github.com/vulcanize/vulcanizedb/libraries/shared/transformer"
+	"github.com/vulcanize/vulcanizedb/pkg/core"
+	"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
+)
+
+type MockTransformer struct {
+	ExecuteWasCalled bool
+	ExecuteError     error
+	PassedLogs       []types.Log
+	PassedHeader     core.Header
+	config           shared_t.TransformerConfig
+}
+
+func (mh *MockTransformer) Execute(logs []types.Log, header core.Header, recheckHeaders constants.TransformerExecution) error {
+	if mh.ExecuteError != nil {
+		return mh.ExecuteError
+	}
+	mh.ExecuteWasCalled = true
+	mh.PassedLogs = logs
+	mh.PassedHeader = header
+	return nil
+}
+
+func (mh *MockTransformer) GetConfig() shared_t.TransformerConfig {
+	return mh.config
+}
+
+func (mh *MockTransformer) SetTransformerConfig(config shared_t.TransformerConfig) {
+	mh.config = config
+}
+
+func (mh *MockTransformer) FakeTransformerInitializer(db *postgres.DB) shared_t.EventTransformer {
+	return mh
+}
+
+var FakeTransformerConfig = shared_t.TransformerConfig{
+	TransformerName:   "FakeTransformer",
+	ContractAddresses: []string{"FakeAddress"},
+	Topic:             "FakeTopic",
+}