Extract constants package

- Reduce clutter in the shared package

pkg/transformers/bite/config.go

@@ -18,13 +18,14 @@ package bite
 
 import (
 	"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/shared/constants"
 )
 
 var BiteConfig = shared.TransformerConfig{
-	TransformerName:     shared.BiteLabel,
-	ContractAddresses:   []string{shared.CatContractAddress},
-	ContractAbi:         shared.CatABI,
-	Topic:               shared.BiteSignature,
+	TransformerName:     constants.BiteLabel,
+	ContractAddresses:   []string{constants.CatContractAddress},
+	ContractAbi:         constants.CatABI,
+	Topic:               constants.BiteSignature,
 	StartingBlockNumber: 0,
 	EndingBlockNumber:   10000000,
 }

pkg/transformers/bite/converter_test.go

@@ -18,13 +18,14 @@ package bite_test
 
 import (
 	"encoding/json"
-	"github.com/ethereum/go-ethereum/core/types"
-	"github.com/vulcanize/vulcanizedb/pkg/transformers/bite"
-	"github.com/vulcanize/vulcanizedb/pkg/transformers/test_data"
 
+	"github.com/ethereum/go-ethereum/core/types"
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
-	"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
+
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/bite"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/shared/constants"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/test_data"
 )
 
 var _ = Describe("Bite Converter", func() {
@@ -32,7 +33,7 @@ var _ = Describe("Bite Converter", func() {
 
 	Describe("ToEntity", func() {
 		It("converts an eth log to a bite entity", func() {
-			entities, err := converter.ToEntities(shared.CatABI, []types.Log{test_data.EthBiteLog})
+			entities, err := converter.ToEntities(constants.CatABI, []types.Log{test_data.EthBiteLog})
 
 			Expect(err).NotTo(HaveOccurred())
 			Expect(len(entities)).To(Equal(1))