Flop deal (#39)

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

pkg/transformers/dent/config.go

@@ -17,7 +17,7 @@ package dent
 import "github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
 
 var DentConfig = shared.TransformerConfig{
-	ContractAddress:     shared.FlipperContractAddress,
+	ContractAddresses:   []string{shared.FlipperContractAddress},
 	ContractAbi:         shared.FlipperABI,
 	Topics:              []string{shared.DentFunctionSignature},
 	StartingBlockNumber: 0,

pkg/transformers/dent/transformer.go

@@ -53,7 +53,8 @@ func (t DentTransformer) Execute() error {
 	headers, err := t.Repository.MissingHeaders(config.StartingBlockNumber, config.EndingBlockNumber)
 	log.Printf("Fetching dent event logs for %d headers \n", len(headers))
 	for _, header := range headers {
-		ethLogs, err := t.Fetcher.FetchLogs(config.ContractAddress, topics, header.BlockNumber)
+		ethLogs, err := t.Fetcher.FetchLogs(config.ContractAddresses, topics, header.BlockNumber)
+
 		if err != nil {
 			log.Println("Error fetching dent logs:", err)
 			return err

pkg/transformers/dent/transformer_test.go

@@ -73,7 +73,7 @@ var _ = Describe("DentTransformer", func() {
 		err := transformer.Execute()
 
 		Expect(err).NotTo(HaveOccurred())
-		Expect(fetcher.FetchedContractAddress).To(Equal(config.ContractAddress))
+		Expect(fetcher.FetchedContractAddresses).To(Equal([][]string{config.ContractAddresses, config.ContractAddresses}))
 		expectedTopics := [][]common.Hash{{common.HexToHash(shared.DentFunctionSignature)}}
 		Expect(fetcher.FetchedTopics).To(Equal(expectedTopics))
 		Expect(fetcher.FetchedBlocks).To(Equal([]int64{header1.BlockNumber, header2.BlockNumber}))