Extract constants package

- Reduce clutter in the shared package

pkg/transformers/flip_kick/config.go

@@ -14,13 +14,16 @@
 
 package flip_kick
 
-import "github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
+import (
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/shared/constants"
+)
 
 var FlipKickConfig = shared.TransformerConfig{
-	TransformerName:     shared.FlipKickLabel,
-	ContractAddresses:   []string{shared.FlipperContractAddress},
-	ContractAbi:         shared.FlipperABI,
-	Topic:               shared.FlipKickSignature,
+	TransformerName:     constants.FlipKickLabel,
+	ContractAddresses:   []string{constants.FlipperContractAddress},
+	ContractAbi:         constants.FlipperABI,
+	Topic:               constants.FlipKickSignature,
 	StartingBlockNumber: 0,
 	EndingBlockNumber:   10000000,
 }

pkg/transformers/flip_kick/converter_test.go

@@ -24,7 +24,7 @@ import (
 	. "github.com/onsi/gomega"
 
 	"github.com/vulcanize/vulcanizedb/pkg/transformers/flip_kick"
-	"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/shared/constants"
 	"github.com/vulcanize/vulcanizedb/pkg/transformers/test_data"
 )
 
@@ -33,7 +33,7 @@ var _ = Describe("FlipKick Converter", func() {
 
 	Describe("ToEntity", func() {
 		It("converts an Eth Log to a FlipKickEntity", func() {
-			entities, err := converter.ToEntities(shared.FlipperABI, []types.Log{test_data.EthFlipKickLog})
+			entities, err := converter.ToEntities(constants.FlipperABI, []types.Log{test_data.EthFlipKickLog})
 
 			Expect(err).NotTo(HaveOccurred())
 			Expect(len(entities)).To(Equal(1))