Flop deal (#39)

*Refactor deal transformer to take in several contract addresses
* Add flop address to deal transformer

pkg/transformers/frob/config.go

@@ -17,7 +17,7 @@ package frob
 import "github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
 
 var FrobConfig = shared.TransformerConfig{
-	ContractAddress:     shared.PitContractAddress,
+	ContractAddresses:   []string{shared.PitContractAddress},
 	ContractAbi:         shared.PitABI,
 	Topics:              []string{shared.FrobSignature},
 	StartingBlockNumber: 0,

pkg/transformers/frob/integration_test.go

@@ -49,7 +49,7 @@ var _ = Describe("Integration tests", func() {
 		topic0 := common.HexToHash(shared.FrobSignature)
 		topics := [][]common.Hash{{topic0}}
 
-		result, err := realFetcher.FetchLogs(shared.PitContractAddress, topics, int64(12))
+		result, err := realFetcher.FetchLogs(frob.FrobConfig.ContractAddresses, topics, int64(12))
 		Expect(err).NotTo(HaveOccurred())
 
 		Expect(len(result) > 0).To(BeTrue())

pkg/transformers/frob/transformer.go

@@ -55,12 +55,12 @@ func (transformer FrobTransformer) Execute() error {
 	log.Printf("Fetching frob event logs for %d headers \n", len(missingHeaders))
 	for _, header := range missingHeaders {
 		topics := [][]common.Hash{{common.HexToHash(shared.FrobSignature)}}
-		matchingLogs, err := transformer.Fetcher.FetchLogs(FrobConfig.ContractAddress, topics, header.BlockNumber)
+		matchingLogs, err := transformer.Fetcher.FetchLogs(FrobConfig.ContractAddresses, topics, header.BlockNumber)
 		if err != nil {
 			return err
 		}
 		for _, log := range matchingLogs {
-			entity, err := transformer.Converter.ToEntity(FrobConfig.ContractAddress, FrobConfig.ContractAbi, log)
+			entity, err := transformer.Converter.ToEntity(log.Address.Hex(), FrobConfig.ContractAbi, log)
 			if err != nil {
 				return err
 			}

pkg/transformers/frob/transformer_test.go

@@ -75,7 +75,7 @@ var _ = Describe("Frob transformer", func() {
 
 		Expect(err).NotTo(HaveOccurred())
 		Expect(fetcher.FetchedBlocks).To(Equal([]int64{1, 2}))
-		Expect(fetcher.FetchedContractAddress).To(Equal(frob.FrobConfig.ContractAddress))
+		Expect(fetcher.FetchedContractAddresses).To(Equal([][]string{frob.FrobConfig.ContractAddresses, frob.FrobConfig.ContractAddresses}))
 		Expect(fetcher.FetchedTopics).To(Equal([][]common.Hash{{common.HexToHash(shared.FrobSignature)}}))
 	})
 
@@ -111,7 +111,7 @@ var _ = Describe("Frob transformer", func() {
 		err := transformer.Execute()
 
 		Expect(err).NotTo(HaveOccurred())
-		Expect(converter.PassedContractAddress).To(Equal(frob.FrobConfig.ContractAddress))
+		Expect(converter.PassedContractAddress).To(Equal(test_data.EthFrobLog.Address.Hex()))
 		Expect(converter.PassedContractABI).To(Equal(frob.FrobConfig.ContractAbi))
 		Expect(converter.PassedLog).To(Equal(test_data.EthFrobLog))
 	})