Extract constants package

- Reduce clutter in the shared package

pkg/transformers/pit_file/debt_ceiling/config.go

@@ -16,13 +16,14 @@ package debt_ceiling
 
 import (
 	"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/shared/constants"
 )
 
 var DebtCeilingFileConfig = shared.TransformerConfig{
-	TransformerName:     shared.PitFileDebtCeilingLabel,
-	ContractAddresses:   []string{shared.PitContractAddress},
-	ContractAbi:         shared.PitABI,
-	Topic:               shared.PitFileDebtCeilingSignature,
+	TransformerName:     constants.PitFileDebtCeilingLabel,
+	ContractAddresses:   []string{constants.PitContractAddress},
+	ContractAbi:         constants.PitABI,
+	Topic:               constants.PitFileDebtCeilingSignature,
 	StartingBlockNumber: 0,
 	EndingBlockNumber:   10000000,
 }

pkg/transformers/pit_file/debt_ceiling/converter.go

@@ -16,12 +16,12 @@ package debt_ceiling
 
 import (
 	"encoding/json"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/shared/constants"
 	"math/big"
 
 	"bytes"
 	"errors"
 	"github.com/ethereum/go-ethereum/core/types"
-	"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
 )
 
 type PitFileDebtCeilingConverter struct{}
@@ -56,7 +56,7 @@ func verifyLog(log types.Log) error {
 	if len(log.Topics) < 2 {
 		return errors.New("log missing topics")
 	}
-	if len(log.Data) < shared.DataItemLength {
+	if len(log.Data) < constants.DataItemLength {
 		return errors.New("log missing data")
 	}
 	return nil

pkg/transformers/pit_file/ilk/config.go

@@ -16,13 +16,14 @@ package ilk
 
 import (
 	"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/shared/constants"
 )
 
 var IlkFileConfig = shared.TransformerConfig{
-	TransformerName:     shared.PitFileIlkLabel,
-	ContractAddresses:   []string{shared.PitContractAddress},
-	ContractAbi:         shared.PitABI,
-	Topic:               shared.PitFileIlkSignature,
+	TransformerName:     constants.PitFileIlkLabel,
+	ContractAddresses:   []string{constants.PitContractAddress},
+	ContractAbi:         constants.PitABI,
+	Topic:               constants.PitFileIlkSignature,
 	StartingBlockNumber: 0,
 	EndingBlockNumber:   10000000,
 }

pkg/transformers/pit_file/ilk/converter.go

@@ -21,7 +21,8 @@ import (
 	"math/big"
 
 	"github.com/ethereum/go-ethereum/core/types"
-	"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
+
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/shared/constants"
 )
 
 type PitFileIlkConverter struct{}
@@ -35,7 +36,7 @@ func (PitFileIlkConverter) ToModels(ethLogs []types.Log) ([]interface{}, error)
 		}
 		ilk := string(bytes.Trim(ethLog.Topics[2].Bytes(), "\x00"))
 		what := string(bytes.Trim(ethLog.Topics[3].Bytes(), "\x00"))
-		riskBytes := ethLog.Data[len(ethLog.Data)-shared.DataItemLength:]
+		riskBytes := ethLog.Data[len(ethLog.Data)-constants.DataItemLength:]
 		risk := big.NewInt(0).SetBytes(riskBytes).String()
 
 		raw, err := json.Marshal(ethLog)
@@ -59,7 +60,7 @@ func verifyLog(log types.Log) error {
 	if len(log.Topics) < 4 {
 		return errors.New("log missing topics")
 	}
-	if len(log.Data) < shared.DataItemLength {
+	if len(log.Data) < constants.DataItemLength {
 		return errors.New("log missing data")
 	}
 	return nil

pkg/transformers/pit_file/stability_fee/config.go

@@ -16,13 +16,14 @@ package stability_fee
 
 import (
 	"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/shared/constants"
 )
 
 var StabilityFeeFileConfig = shared.TransformerConfig{
-	TransformerName:     shared.PitFileStabilityFeeLabel,
-	ContractAddresses:   []string{shared.PitContractAddress},
-	ContractAbi:         shared.PitABI,
-	Topic:               shared.PitFileStabilityFeeSignature,
+	TransformerName:     constants.PitFileStabilityFeeLabel,
+	ContractAddresses:   []string{constants.PitContractAddress},
+	ContractAbi:         constants.PitABI,
+	Topic:               constants.PitFileStabilityFeeSignature,
 	StartingBlockNumber: 0,
 	EndingBlockNumber:   10000000,
 }