Add Pit file stability fee event

- file event on the pit contract is overloaded and each implementation
  logs a note
- existing Pit file transformer now specified as dealing with ilks

db/migrations/1535667935_create_pit_file_table.down.sql

@@ -1 +1,2 @@
-DROP TABLE maker.pit_file;
+DROP TABLE maker.pit_file_ilk;
+DROP TABLE maker.pit_file_stability_fee;

db/migrations/1535667935_create_pit_file_table.up.sql

@@ -1,10 +1,20 @@
-CREATE TABLE maker.pit_file (
+CREATE TABLE maker.pit_file_ilk (
   id            SERIAL PRIMARY KEY,
   header_id     INTEGER NOT NULL REFERENCES headers (id) ON DELETE CASCADE,
   ilk           TEXT,
   what          TEXT,
-  risk          NUMERIC,
+  data          NUMERIC,
 	tx_idx        INTEGER NOT NUll,
   raw_log       JSONB,
   UNIQUE (header_id, tx_idx)
-);
+);
+
+CREATE TABLE maker.pit_file_stability_fee (
+  id SERIAL PRIMARY KEY,
+  header_id INTEGER NOT NULL REFERENCES headers (id) ON DELETE CASCADE,
+  what      TEXT,
+  data      TEXT,
+  tx_idx    INTEGER NOT NULL,
+  raw_log   JSONB,
+  UNIQUE (header_id, tx_idx)
+)

db/schema.sql

@@ -157,25 +157,25 @@ ALTER SEQUENCE maker.frob_id_seq OWNED BY maker.frob.id;
 
 
 --
--- Name: pit_file; Type: TABLE; Schema: maker; Owner: -
+-- Name: pit_file_ilk; Type: TABLE; Schema: maker; Owner: -
 --
 
-CREATE TABLE maker.pit_file (
+CREATE TABLE maker.pit_file_ilk (
     id integer NOT NULL,
     header_id integer NOT NULL,
     ilk text,
     what text,
-    risk numeric,
+    data numeric,
     tx_idx integer NOT NULL,
     raw_log jsonb
 );
 
 
 --
--- Name: pit_file_id_seq; Type: SEQUENCE; Schema: maker; Owner: -
+-- Name: pit_file_ilk_id_seq; Type: SEQUENCE; Schema: maker; Owner: -
 --
 
-CREATE SEQUENCE maker.pit_file_id_seq
+CREATE SEQUENCE maker.pit_file_ilk_id_seq
     AS integer
     START WITH 1
     INCREMENT BY 1
@@ -185,10 +185,44 @@ CREATE SEQUENCE maker.pit_file_id_seq
 
 
 --
--- Name: pit_file_id_seq; Type: SEQUENCE OWNED BY; Schema: maker; Owner: -
+-- Name: pit_file_ilk_id_seq; Type: SEQUENCE OWNED BY; Schema: maker; Owner: -
 --
 
-ALTER SEQUENCE maker.pit_file_id_seq OWNED BY maker.pit_file.id;
+ALTER SEQUENCE maker.pit_file_ilk_id_seq OWNED BY maker.pit_file_ilk.id;
+
+
+--
+-- Name: pit_file_stability_fee; Type: TABLE; Schema: maker; Owner: -
+--
+
+CREATE TABLE maker.pit_file_stability_fee (
+    id integer NOT NULL,
+    header_id integer NOT NULL,
+    what text,
+    data text,
+    tx_idx integer NOT NULL,
+    raw_log jsonb
+);
+
+
+--
+-- Name: pit_file_stability_fee_id_seq; Type: SEQUENCE; Schema: maker; Owner: -
+--
+
+CREATE SEQUENCE maker.pit_file_stability_fee_id_seq
+    AS integer
+    START WITH 1
+    INCREMENT BY 1
+    NO MINVALUE
+    NO MAXVALUE
+    CACHE 1;
+
+
+--
+-- Name: pit_file_stability_fee_id_seq; Type: SEQUENCE OWNED BY; Schema: maker; Owner: -
+--
+
+ALTER SEQUENCE maker.pit_file_stability_fee_id_seq OWNED BY maker.pit_file_stability_fee.id;
 
 
 --
@@ -656,10 +690,17 @@ ALTER TABLE ONLY maker.frob ALTER COLUMN id SET DEFAULT nextval('maker.frob_id_s
 
 
 --
--- Name: pit_file id; Type: DEFAULT; Schema: maker; Owner: -
+-- Name: pit_file_ilk id; Type: DEFAULT; Schema: maker; Owner: -
 --
 
-ALTER TABLE ONLY maker.pit_file ALTER COLUMN id SET DEFAULT nextval('maker.pit_file_id_seq'::regclass);
+ALTER TABLE ONLY maker.pit_file_ilk ALTER COLUMN id SET DEFAULT nextval('maker.pit_file_ilk_id_seq'::regclass);
+
+
+--
+-- Name: pit_file_stability_fee id; Type: DEFAULT; Schema: maker; Owner: -
+--
+
+ALTER TABLE ONLY maker.pit_file_stability_fee ALTER COLUMN id SET DEFAULT nextval('maker.pit_file_stability_fee_id_seq'::regclass);
 
 
 --
@@ -788,19 +829,35 @@ ALTER TABLE ONLY maker.frob
 
 
 --
--- Name: pit_file pit_file_header_id_tx_idx_key; Type: CONSTRAINT; Schema: maker; Owner: -
+-- Name: pit_file_ilk pit_file_ilk_header_id_tx_idx_key; Type: CONSTRAINT; Schema: maker; Owner: -
 --
 
-ALTER TABLE ONLY maker.pit_file
+ALTER TABLE ONLY maker.pit_file_ilk
-    ADD CONSTRAINT pit_file_header_id_tx_idx_key UNIQUE (header_id, tx_idx);
+    ADD CONSTRAINT pit_file_ilk_header_id_tx_idx_key UNIQUE (header_id, tx_idx);
 
 
 --
--- Name: pit_file pit_file_pkey; Type: CONSTRAINT; Schema: maker; Owner: -
+-- Name: pit_file_ilk pit_file_ilk_pkey; Type: CONSTRAINT; Schema: maker; Owner: -
 --
 
-ALTER TABLE ONLY maker.pit_file
+ALTER TABLE ONLY maker.pit_file_ilk
-    ADD CONSTRAINT pit_file_pkey PRIMARY KEY (id);
+    ADD CONSTRAINT pit_file_ilk_pkey PRIMARY KEY (id);
+
+
+--
+-- Name: pit_file_stability_fee pit_file_stability_fee_header_id_tx_idx_key; Type: CONSTRAINT; Schema: maker; Owner: -
+--
+
+ALTER TABLE ONLY maker.pit_file_stability_fee
+    ADD CONSTRAINT pit_file_stability_fee_header_id_tx_idx_key UNIQUE (header_id, tx_idx);
+
+
+--
+-- Name: pit_file_stability_fee pit_file_stability_fee_pkey; Type: CONSTRAINT; Schema: maker; Owner: -
+--
+
+ALTER TABLE ONLY maker.pit_file_stability_fee
+    ADD CONSTRAINT pit_file_stability_fee_pkey PRIMARY KEY (id);
 
 
 --
@@ -999,11 +1056,19 @@ ALTER TABLE ONLY maker.price_feeds
 
 
 --
--- Name: pit_file pit_file_header_id_fkey; Type: FK CONSTRAINT; Schema: maker; Owner: -
+-- Name: pit_file_ilk pit_file_ilk_header_id_fkey; Type: FK CONSTRAINT; Schema: maker; Owner: -
 --
 
-ALTER TABLE ONLY maker.pit_file
+ALTER TABLE ONLY maker.pit_file_ilk
-    ADD CONSTRAINT pit_file_header_id_fkey FOREIGN KEY (header_id) REFERENCES public.headers(id) ON DELETE CASCADE;
+    ADD CONSTRAINT pit_file_ilk_header_id_fkey FOREIGN KEY (header_id) REFERENCES public.headers(id) ON DELETE CASCADE;
+
+
+--
+-- Name: pit_file_stability_fee pit_file_stability_fee_header_id_fkey; Type: FK CONSTRAINT; Schema: maker; Owner: -
+--
+
+ALTER TABLE ONLY maker.pit_file_stability_fee
+    ADD CONSTRAINT pit_file_stability_fee_header_id_fkey FOREIGN KEY (header_id) REFERENCES public.headers(id) ON DELETE CASCADE;
 
 
 --

pkg/transformers/pit_file/config.go

@@ -7,7 +7,7 @@ import (
 var PitFileConfig = shared.TransformerConfig{
 	ContractAddress:     "0xff3f2400f1600f3f493a9a92704a29b96795af1a", // temporary address from Ganache deploy
 	ContractAbi:         shared.PitABI,
-	Topics:              []string{shared.PitFileSignatureOne},
+	Topics:              []string{shared.PitFileIlkSignature, shared.PitFileDebtCeilingSignature, shared.PitFileStabilityFeeSignature},
 	StartingBlockNumber: 0,
 	EndingBlockNumber:   100,
 }

pkg/transformers/pit_file/converter_test.go

@@ -1,20 +0,0 @@
-package pit_file_test
-
-import (
-	. "github.com/onsi/ginkgo"
-	. "github.com/onsi/gomega"
-	"github.com/vulcanize/vulcanizedb/pkg/transformers/pit_file"
-	"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
-	"github.com/vulcanize/vulcanizedb/pkg/transformers/test_data"
-)
-
-var _ = Describe("Pit file converter", func() {
-	It("converts a log to an entity", func() {
-		converter := pit_file.PitFileConverter{}
-
-		model, err := converter.ToModel(test_data.PitAddress, shared.PitABI, test_data.EthPitFileLog)
-
-		Expect(err).NotTo(HaveOccurred())
-		Expect(model).To(Equal(test_data.PitFileModel))
-	})
-})

pkg/transformers/pit_file/debt_ceiling/debt_ceiling_suite_test.go

@@ -0,0 +1,13 @@
+package debt_ceiling_test
+
+import (
+	"testing"
+
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+)
+
+func TestDebtCeiling(t *testing.T) {
+	RegisterFailHandler(Fail)
+	RunSpecs(t, "DebtCeiling Suite")
+}

pkg/transformers/pit_file/ilk/converter.go

@@ -1,4 +1,4 @@
-package pit_file
+package ilk
 
 import (
 	"bytes"
@@ -8,13 +8,12 @@ import (
 )
 
 type Converter interface {
-	ToModel(contractAddress string, contractAbi string, ethLog types.Log) (PitFileModel, error)
+	ToModel(contractAddress string, contractAbi string, ethLog types.Log) (PitFileIlkModel, error)
 }
 
-type PitFileConverter struct {
+type PitFileIlkConverter struct{}
-}
 
-func (PitFileConverter) ToModel(contractAddress string, contractAbi string, ethLog types.Log) (entity PitFileModel, err error) {
+func (PitFileIlkConverter) ToModel(contractAddress string, contractAbi string, ethLog types.Log) (entity PitFileIlkModel, err error) {
 	ilk := string(bytes.Trim(ethLog.Topics[2].Bytes(), "\x00"))
 	what := string(bytes.Trim(ethLog.Topics[3].Bytes(), "\x00"))
 	itemByteLength := 32
@@ -22,10 +21,10 @@ func (PitFileConverter) ToModel(contractAddress string, contractAbi string, ethL
 	risk := big.NewInt(0).SetBytes(riskBytes).String()
 
 	raw, err := json.Marshal(ethLog)
-	return PitFileModel{
+	return PitFileIlkModel{
 		Ilk:              ilk,
 		What:             what,
-		Risk:             risk,
+		Data:             risk,
 		TransactionIndex: ethLog.TxIndex,
 		Raw:              raw,
 	}, err

pkg/transformers/pit_file/ilk/converter_test.go

@@ -0,0 +1,20 @@
+package ilk_test
+
+import (
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/pit_file/ilk"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/test_data"
+)
+
+var _ = Describe("Pit file ilk converter", func() {
+	It("converts a log to an model", func() {
+		converter := ilk.PitFileIlkConverter{}
+
+		model, err := converter.ToModel(test_data.PitAddress, shared.PitABI, test_data.EthPitFileIlkLog)
+
+		Expect(err).NotTo(HaveOccurred())
+		Expect(model).To(Equal(test_data.PitFileIlkModel))
+	})
+})

pkg/transformers/pit_file/ilk/ilk_suite_test.go

@@ -1,4 +1,4 @@
-package pit_file_test
+package ilk_test
 
 import (
 	"testing"
@@ -7,7 +7,7 @@ import (
 	. "github.com/onsi/gomega"
 )
 
-func TestPitFile(t *testing.T) {
+func TestIlk(t *testing.T) {
 	RegisterFailHandler(Fail)
-	RunSpecs(t, "PitFile Suite")
+	RunSpecs(t, "Ilk Suite")
 }

pkg/transformers/pit_file/ilk/model.go

@@ -1,9 +1,9 @@
-package pit_file
+package ilk
 
-type PitFileModel struct {
+type PitFileIlkModel struct {
 	Ilk              string
 	What             string
-	Risk             string
+	Data             string
 	TransactionIndex uint   `db:"tx_idx"`
 	Raw              []byte `db:"raw_log"`
 }

pkg/transformers/pit_file/ilk/repository.go

@@ -1,4 +1,4 @@
-package pit_file
+package ilk
 
 import (
 	"github.com/vulcanize/vulcanizedb/pkg/core"
@@ -6,35 +6,35 @@ import (
 )
 
 type Repository interface {
-	Create(headerID int64, transactionIndex uint, model PitFileModel) error
+	Create(headerID int64, model PitFileIlkModel) error
 	MissingHeaders(startingBlockNumber, endingBlockNumber int64) ([]core.Header, error)
 }
 
-type PitFileRepository struct {
+type PitFileIlkRepository struct {
 	db *postgres.DB
 }
 
-func NewPitFileRepository(db *postgres.DB) PitFileRepository {
+func NewPitFileIlkRepository(db *postgres.DB) PitFileIlkRepository {
-	return PitFileRepository{
+	return PitFileIlkRepository{
 		db: db,
 	}
 }
 
-func (repository PitFileRepository) Create(headerID int64, transactionIndex uint, model PitFileModel) error {
+func (repository PitFileIlkRepository) Create(headerID int64, model PitFileIlkModel) error {
 	_, err := repository.db.Exec(
-		`INSERT into maker.pit_file (header_id, ilk, what, risk, tx_idx, raw_log)
+		`INSERT into maker.pit_file_ilk (header_id, ilk, what, data, tx_idx, raw_log)
         VALUES($1, $2, $3, $4::NUMERIC, $5, $6)`,
-		headerID, model.Ilk, model.What, model.Risk, model.TransactionIndex, model.Raw,
+		headerID, model.Ilk, model.What, model.Data, model.TransactionIndex, model.Raw,
 	)
 	return err
 }
 
-func (repository PitFileRepository) MissingHeaders(startingBlockNumber, endingBlockNumber int64) ([]core.Header, error) {
+func (repository PitFileIlkRepository) MissingHeaders(startingBlockNumber, endingBlockNumber int64) ([]core.Header, error) {
 	var result []core.Header
 	err := repository.db.Select(
 		&result,
 		`SELECT headers.id, headers.block_number FROM headers
-               LEFT JOIN maker.pit_file on headers.id = header_id
+               LEFT JOIN maker.pit_file_ilk on headers.id = header_id
                WHERE header_id ISNULL
                AND headers.block_number >= $1
                AND headers.block_number <= $2

pkg/transformers/pit_file/ilk/repository_test.go

@@ -0,0 +1,129 @@
+package ilk_test
+
+import (
+	"database/sql"
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+	"github.com/vulcanize/vulcanizedb/pkg/core"
+	"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres/repositories"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/pit_file/ilk"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/test_data"
+	"github.com/vulcanize/vulcanizedb/test_config"
+)
+
+var _ = Describe("Pit file ilk repository", func() {
+	Describe("Create", func() {
+		It("adds a pit file ilk event", func() {
+			db := test_config.NewTestDB(core.Node{})
+			test_config.CleanTestDB(db)
+			headerRepository := repositories.NewHeaderRepository(db)
+			headerID, err := headerRepository.CreateOrUpdateHeader(core.Header{})
+			Expect(err).NotTo(HaveOccurred())
+			pitFileRepository := ilk.NewPitFileIlkRepository(db)
+
+			err = pitFileRepository.Create(headerID, test_data.PitFileIlkModel)
+
+			Expect(err).NotTo(HaveOccurred())
+			var dbPitFile ilk.PitFileIlkModel
+			err = db.Get(&dbPitFile, `SELECT ilk, what, data, tx_idx, raw_log FROM maker.pit_file_ilk WHERE header_id = $1`, headerID)
+			Expect(err).NotTo(HaveOccurred())
+			Expect(dbPitFile.Ilk).To(Equal(test_data.PitFileIlkModel.Ilk))
+			Expect(dbPitFile.What).To(Equal(test_data.PitFileIlkModel.What))
+			Expect(dbPitFile.Data).To(Equal(test_data.PitFileIlkModel.Data))
+			Expect(dbPitFile.TransactionIndex).To(Equal(test_data.PitFileIlkModel.TransactionIndex))
+			Expect(dbPitFile.Raw).To(MatchJSON(test_data.PitFileIlkModel.Raw))
+		})
+
+		It("does not duplicate pit file ilk events", func() {
+			db := test_config.NewTestDB(core.Node{})
+			test_config.CleanTestDB(db)
+			headerRepository := repositories.NewHeaderRepository(db)
+			headerID, err := headerRepository.CreateOrUpdateHeader(core.Header{})
+			Expect(err).NotTo(HaveOccurred())
+			pitFileRepository := ilk.NewPitFileIlkRepository(db)
+			err = pitFileRepository.Create(headerID, test_data.PitFileIlkModel)
+			Expect(err).NotTo(HaveOccurred())
+
+			err = pitFileRepository.Create(headerID, test_data.PitFileIlkModel)
+
+			Expect(err).To(HaveOccurred())
+			Expect(err.Error()).To(ContainSubstring("pq: duplicate key value violates unique constraint"))
+		})
+
+		It("removes pit file ilk if corresponding header is deleted", func() {
+			db := test_config.NewTestDB(core.Node{})
+			test_config.CleanTestDB(db)
+			headerRepository := repositories.NewHeaderRepository(db)
+			headerID, err := headerRepository.CreateOrUpdateHeader(core.Header{})
+			Expect(err).NotTo(HaveOccurred())
+			pitFileRepository := ilk.NewPitFileIlkRepository(db)
+			err = pitFileRepository.Create(headerID, test_data.PitFileIlkModel)
+			Expect(err).NotTo(HaveOccurred())
+
+			_, err = db.Exec(`DELETE FROM headers WHERE id = $1`, headerID)
+
+			Expect(err).NotTo(HaveOccurred())
+			var dbPitFile ilk.PitFileIlkModel
+			err = db.Get(&dbPitFile, `SELECT ilk, what, data, tx_idx, raw_log FROM maker.pit_file_ilk WHERE header_id = $1`, headerID)
+			Expect(err).To(HaveOccurred())
+			Expect(err).To(MatchError(sql.ErrNoRows))
+		})
+	})
+
+	Describe("MissingHeaders", func() {
+		It("returns headers with no associated pit file ilk event", func() {
+			db := test_config.NewTestDB(core.Node{})
+			test_config.CleanTestDB(db)
+			headerRepository := repositories.NewHeaderRepository(db)
+			startingBlockNumber := int64(1)
+			pitFileBlockNumber := int64(2)
+			endingBlockNumber := int64(3)
+			blockNumbers := []int64{startingBlockNumber, pitFileBlockNumber, endingBlockNumber, endingBlockNumber + 1}
+			var headerIDs []int64
+			for _, n := range blockNumbers {
+				headerID, err := headerRepository.CreateOrUpdateHeader(core.Header{BlockNumber: n})
+				headerIDs = append(headerIDs, headerID)
+				Expect(err).NotTo(HaveOccurred())
+			}
+			pitFileRepository := ilk.NewPitFileIlkRepository(db)
+			err := pitFileRepository.Create(headerIDs[1], test_data.PitFileIlkModel)
+			Expect(err).NotTo(HaveOccurred())
+
+			headers, err := pitFileRepository.MissingHeaders(startingBlockNumber, endingBlockNumber)
+
+			Expect(err).NotTo(HaveOccurred())
+			Expect(len(headers)).To(Equal(2))
+			Expect(headers[0].BlockNumber).To(Or(Equal(startingBlockNumber), Equal(endingBlockNumber)))
+			Expect(headers[1].BlockNumber).To(Or(Equal(startingBlockNumber), Equal(endingBlockNumber)))
+		})
+
+		It("only returns headers associated with the current node", func() {
+			db := test_config.NewTestDB(core.Node{})
+			test_config.CleanTestDB(db)
+			blockNumbers := []int64{1, 2, 3}
+			headerRepository := repositories.NewHeaderRepository(db)
+			dbTwo := test_config.NewTestDB(core.Node{ID: "second"})
+			headerRepositoryTwo := repositories.NewHeaderRepository(dbTwo)
+			var headerIDs []int64
+			for _, n := range blockNumbers {
+				headerID, err := headerRepository.CreateOrUpdateHeader(core.Header{BlockNumber: n})
+				Expect(err).NotTo(HaveOccurred())
+				headerIDs = append(headerIDs, headerID)
+				_, err = headerRepositoryTwo.CreateOrUpdateHeader(core.Header{BlockNumber: n})
+				Expect(err).NotTo(HaveOccurred())
+			}
+			pitFileRepository := ilk.NewPitFileIlkRepository(db)
+			pitFileRepositoryTwo := ilk.NewPitFileIlkRepository(dbTwo)
+			err := pitFileRepository.Create(headerIDs[0], test_data.PitFileIlkModel)
+			Expect(err).NotTo(HaveOccurred())
+
+			nodeOneMissingHeaders, err := pitFileRepository.MissingHeaders(blockNumbers[0], blockNumbers[len(blockNumbers)-1])
+			Expect(err).NotTo(HaveOccurred())
+			Expect(len(nodeOneMissingHeaders)).To(Equal(len(blockNumbers) - 1))
+
+			nodeTwoMissingHeaders, err := pitFileRepositoryTwo.MissingHeaders(blockNumbers[0], blockNumbers[len(blockNumbers)-1])
+			Expect(err).NotTo(HaveOccurred())
+			Expect(len(nodeTwoMissingHeaders)).To(Equal(len(blockNumbers)))
+		})
+	})
+})

pkg/transformers/pit_file/ilk/transformer.go

@@ -1,28 +1,29 @@
-package pit_file
+package ilk
 
 import (
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/vulcanize/vulcanizedb/pkg/core"
 	"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/pit_file"
 	"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
 )
 
-type PitFileTransformer struct {
+type PitFileIlkTransformer struct {
 	Config     shared.TransformerConfig
 	Converter  Converter
 	Fetcher    shared.LogFetcher
 	Repository Repository
 }
 
-type PitFileTransformerInitializer struct {
+type PitFileIlkTransformerInitializer struct {
 	Config shared.TransformerConfig
 }
 
-func (initializer PitFileTransformerInitializer) NewPitFileTransformer(db *postgres.DB, blockChain core.BlockChain) shared.Transformer {
+func (initializer PitFileIlkTransformerInitializer) NewPitFileIlkTransformer(db *postgres.DB, blockChain core.BlockChain) shared.Transformer {
-	converter := PitFileConverter{}
+	converter := PitFileIlkConverter{}
 	fetcher := shared.NewFetcher(blockChain)
-	repository := NewPitFileRepository(db)
+	repository := NewPitFileIlkRepository(db)
-	return PitFileTransformer{
+	return PitFileIlkTransformer{
 		Config:     initializer.Config,
 		Converter:  converter,
 		Fetcher:    fetcher,
@@ -30,23 +31,23 @@ func (initializer PitFileTransformerInitializer) NewPitFileTransformer(db *postg
 	}
 }
 
-func (transformer PitFileTransformer) Execute() error {
+func (transformer PitFileIlkTransformer) Execute() error {
 	missingHeaders, err := transformer.Repository.MissingHeaders(transformer.Config.StartingBlockNumber, transformer.Config.EndingBlockNumber)
 	if err != nil {
 		return err
 	}
 	for _, header := range missingHeaders {
-		topics := [][]common.Hash{{common.HexToHash(shared.PitFileSignatureOne)}}
+		topics := [][]common.Hash{{common.HexToHash(shared.PitFileIlkSignature)}}
-		matchingLogs, err := transformer.Fetcher.FetchLogs(PitFileConfig.ContractAddress, topics, header.BlockNumber)
+		matchingLogs, err := transformer.Fetcher.FetchLogs(pit_file.PitFileConfig.ContractAddress, topics, header.BlockNumber)
 		if err != nil {
 			return err
 		}
 		for _, log := range matchingLogs {
-			model, err := transformer.Converter.ToModel(PitFileConfig.ContractAddress, shared.PitABI, log)
+			model, err := transformer.Converter.ToModel(pit_file.PitFileConfig.ContractAddress, shared.PitABI, log)
 			if err != nil {
 				return err
 			}
-			err = transformer.Repository.Create(header.Id, log.TxIndex, model)
+			err = transformer.Repository.Create(header.Id, model)
 			if err != nil {
 				return err
 			}

pkg/transformers/pit_file/ilk/transformer_test.go

@@ -1,4 +1,4 @@
-package pit_file_test
+package ilk_test
 
 import (
 	"github.com/ethereum/go-ethereum/common"
@@ -8,19 +8,20 @@ import (
 	"github.com/vulcanize/vulcanizedb/pkg/core"
 	"github.com/vulcanize/vulcanizedb/pkg/fakes"
 	"github.com/vulcanize/vulcanizedb/pkg/transformers/pit_file"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/pit_file/ilk"
 	"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
 	"github.com/vulcanize/vulcanizedb/pkg/transformers/test_data"
 	"github.com/vulcanize/vulcanizedb/pkg/transformers/test_data/mocks"
-	pit_file_mocks "github.com/vulcanize/vulcanizedb/pkg/transformers/test_data/mocks/pit_file"
+	pit_file_ilk_mocks "github.com/vulcanize/vulcanizedb/pkg/transformers/test_data/mocks/pit_file/ilk"
 )
 
-var _ = Describe("Pit file transformer", func() {
+var _ = Describe("Pit file ilk transformer", func() {
 	It("gets missing headers for block numbers specified in config", func() {
-		repository := &pit_file_mocks.MockPitFileRepository{}
+		repository := &pit_file_ilk_mocks.MockPitFileIlkRepository{}
-		transformer := pit_file.PitFileTransformer{
+		transformer := ilk.PitFileIlkTransformer{
 			Config:     pit_file.PitFileConfig,
 			Fetcher:    &mocks.MockLogFetcher{},
-			Converter:  &pit_file_mocks.MockPitFileConverter{},
+			Converter:  &pit_file_ilk_mocks.MockPitFileIlkConverter{},
 			Repository: repository,
 		}
 
@@ -32,11 +33,11 @@ var _ = Describe("Pit file transformer", func() {
 	})
 
 	It("returns error if repository returns error for missing headers", func() {
-		repository := &pit_file_mocks.MockPitFileRepository{}
+		repository := &pit_file_ilk_mocks.MockPitFileIlkRepository{}
 		repository.SetMissingHeadersErr(fakes.FakeError)
-		transformer := pit_file.PitFileTransformer{
+		transformer := ilk.PitFileIlkTransformer{
 			Fetcher:    &mocks.MockLogFetcher{},
-			Converter:  &pit_file_mocks.MockPitFileConverter{},
+			Converter:  &pit_file_ilk_mocks.MockPitFileIlkConverter{},
 			Repository: repository,
 		}
 
@@ -48,11 +49,11 @@ var _ = Describe("Pit file transformer", func() {
 
 	It("fetches logs for missing headers", func() {
 		fetcher := &mocks.MockLogFetcher{}
-		repository := &pit_file_mocks.MockPitFileRepository{}
+		repository := &pit_file_ilk_mocks.MockPitFileIlkRepository{}
 		repository.SetMissingHeaders([]core.Header{{BlockNumber: 1}, {BlockNumber: 2}})
-		transformer := pit_file.PitFileTransformer{
+		transformer := ilk.PitFileIlkTransformer{
 			Fetcher:    fetcher,
-			Converter:  &pit_file_mocks.MockPitFileConverter{},
+			Converter:  &pit_file_ilk_mocks.MockPitFileIlkConverter{},
 			Repository: repository,
 		}
 
@@ -61,17 +62,17 @@ var _ = Describe("Pit file transformer", func() {
 		Expect(err).NotTo(HaveOccurred())
 		Expect(fetcher.FetchedBlocks).To(Equal([]int64{1, 2}))
 		Expect(fetcher.FetchedContractAddress).To(Equal(pit_file.PitFileConfig.ContractAddress))
-		Expect(fetcher.FetchedTopics).To(Equal([][]common.Hash{{common.HexToHash(shared.PitFileSignatureOne)}}))
+		Expect(fetcher.FetchedTopics).To(Equal([][]common.Hash{{common.HexToHash(shared.PitFileIlkSignature)}}))
 	})
 
 	It("returns error if fetcher returns error", func() {
 		fetcher := &mocks.MockLogFetcher{}
 		fetcher.SetFetcherError(fakes.FakeError)
-		repository := &pit_file_mocks.MockPitFileRepository{}
+		repository := &pit_file_ilk_mocks.MockPitFileIlkRepository{}
 		repository.SetMissingHeaders([]core.Header{{BlockNumber: 1}})
-		transformer := pit_file.PitFileTransformer{
+		transformer := ilk.PitFileIlkTransformer{
 			Fetcher:    fetcher,
-			Converter:  &pit_file_mocks.MockPitFileConverter{},
+			Converter:  &pit_file_ilk_mocks.MockPitFileIlkConverter{},
 			Repository: repository,
 		}
 
@@ -82,12 +83,12 @@ var _ = Describe("Pit file transformer", func() {
 	})
 
 	It("converts matching logs", func() {
-		converter := &pit_file_mocks.MockPitFileConverter{}
+		converter := &pit_file_ilk_mocks.MockPitFileIlkConverter{}
 		fetcher := &mocks.MockLogFetcher{}
-		fetcher.SetFetchedLogs([]types.Log{test_data.EthPitFileLog})
+		fetcher.SetFetchedLogs([]types.Log{test_data.EthPitFileIlkLog})
-		repository := &pit_file_mocks.MockPitFileRepository{}
+		repository := &pit_file_ilk_mocks.MockPitFileIlkRepository{}
 		repository.SetMissingHeaders([]core.Header{{BlockNumber: 1}})
-		transformer := pit_file.PitFileTransformer{
+		transformer := ilk.PitFileIlkTransformer{
 			Fetcher:    fetcher,
 			Converter:  converter,
 			Repository: repository,
@@ -98,17 +99,17 @@ var _ = Describe("Pit file transformer", func() {
 		Expect(err).NotTo(HaveOccurred())
 		Expect(converter.PassedContractAddress).To(Equal(pit_file.PitFileConfig.ContractAddress))
 		Expect(converter.PassedContractABI).To(Equal(pit_file.PitFileConfig.ContractAbi))
-		Expect(converter.PassedLog).To(Equal(test_data.EthPitFileLog))
+		Expect(converter.PassedLog).To(Equal(test_data.EthPitFileIlkLog))
 	})
 
 	It("returns error if converter returns error", func() {
-		converter := &pit_file_mocks.MockPitFileConverter{}
+		converter := &pit_file_ilk_mocks.MockPitFileIlkConverter{}
 		converter.SetConverterError(fakes.FakeError)
 		fetcher := &mocks.MockLogFetcher{}
-		fetcher.SetFetchedLogs([]types.Log{test_data.EthPitFileLog})
+		fetcher.SetFetchedLogs([]types.Log{test_data.EthPitFileIlkLog})
-		repository := &pit_file_mocks.MockPitFileRepository{}
+		repository := &pit_file_ilk_mocks.MockPitFileIlkRepository{}
 		repository.SetMissingHeaders([]core.Header{{BlockNumber: 1}})
-		transformer := pit_file.PitFileTransformer{
+		transformer := ilk.PitFileIlkTransformer{
 			Fetcher:    fetcher,
 			Converter:  converter,
 			Repository: repository,
@@ -121,13 +122,13 @@ var _ = Describe("Pit file transformer", func() {
 	})
 
 	It("persists pit file model", func() {
-		converter := &pit_file_mocks.MockPitFileConverter{}
+		converter := &pit_file_ilk_mocks.MockPitFileIlkConverter{}
 		fetcher := &mocks.MockLogFetcher{}
-		fetcher.SetFetchedLogs([]types.Log{test_data.EthPitFileLog})
+		fetcher.SetFetchedLogs([]types.Log{test_data.EthPitFileIlkLog})
-		repository := &pit_file_mocks.MockPitFileRepository{}
+		repository := &pit_file_ilk_mocks.MockPitFileIlkRepository{}
 		fakeHeader := core.Header{BlockNumber: 1, Id: 2}
 		repository.SetMissingHeaders([]core.Header{fakeHeader})
-		transformer := pit_file.PitFileTransformer{
+		transformer := ilk.PitFileIlkTransformer{
 			Fetcher:    fetcher,
 			Converter:  converter,
 			Repository: repository,
@@ -137,18 +138,17 @@ var _ = Describe("Pit file transformer", func() {
 
 		Expect(err).NotTo(HaveOccurred())
 		Expect(repository.PassedHeaderID).To(Equal(fakeHeader.Id))
-		Expect(repository.PassedTransactionIndex).To(Equal(test_data.EthPitFileLog.TxIndex))
+		Expect(repository.PassedModel).To(Equal(test_data.PitFileIlkModel))
-		Expect(repository.PassedModel).To(Equal(test_data.PitFileModel))
 	})
 
 	It("returns error if repository returns error for create", func() {
-		converter := &pit_file_mocks.MockPitFileConverter{}
+		converter := &pit_file_ilk_mocks.MockPitFileIlkConverter{}
 		fetcher := &mocks.MockLogFetcher{}
-		fetcher.SetFetchedLogs([]types.Log{test_data.EthPitFileLog})
+		fetcher.SetFetchedLogs([]types.Log{test_data.EthPitFileIlkLog})
-		repository := &pit_file_mocks.MockPitFileRepository{}
+		repository := &pit_file_ilk_mocks.MockPitFileIlkRepository{}
 		repository.SetMissingHeaders([]core.Header{{BlockNumber: 1, Id: 2}})
 		repository.SetCreateError(fakes.FakeError)
-		transformer := pit_file.PitFileTransformer{
+		transformer := ilk.PitFileIlkTransformer{
 			Fetcher:    fetcher,
 			Converter:  converter,
 			Repository: repository,

pkg/transformers/pit_file/stability_fee/converter.go

@@ -0,0 +1,27 @@
+package stability_fee
+
+import (
+	"bytes"
+	"encoding/json"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/types"
+)
+
+type Converter interface {
+	ToModel(contractAddress string, contractAbi string, ethLog types.Log) (PitFileStabilityFeeModel, error)
+}
+
+type PitFileStabilityFeeConverter struct{}
+
+func (PitFileStabilityFeeConverter) ToModel(contractAddress string, contractAbi string, ethLog types.Log) (PitFileStabilityFeeModel, error) {
+	what := string(bytes.Trim(ethLog.Topics[2].Bytes(), "\x00"))
+	data := common.HexToAddress(ethLog.Topics[1].String()).Hex()
+
+	raw, err := json.Marshal(ethLog)
+	return PitFileStabilityFeeModel{
+		What:             what,
+		Data:             data,
+		TransactionIndex: ethLog.TxIndex,
+		Raw:              raw,
+	}, err
+}

pkg/transformers/pit_file/stability_fee/converter_test.go

@@ -0,0 +1,20 @@
+package stability_fee_test
+
+import (
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/pit_file/stability_fee"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/test_data"
+)
+
+var _ = Describe("Pit file stability fee converter", func() {
+	It("converts a log to an model", func() {
+		converter := stability_fee.PitFileStabilityFeeConverter{}
+
+		model, err := converter.ToModel(test_data.PitAddress, shared.PitABI, test_data.EthPitFileStabilityFeeLog)
+
+		Expect(err).NotTo(HaveOccurred())
+		Expect(model).To(Equal(test_data.PitFileStabilityFeeModel))
+	})
+})

pkg/transformers/pit_file/stability_fee/model.go

@@ -0,0 +1,8 @@
+package stability_fee
+
+type PitFileStabilityFeeModel struct {
+	What             string
+	Data             string
+	TransactionIndex uint   `db:"tx_idx"`
+	Raw              []byte `db:"raw_log"`
+}

pkg/transformers/pit_file/stability_fee/repository.go

@@ -0,0 +1,48 @@
+package stability_fee
+
+import (
+	"github.com/vulcanize/vulcanizedb/pkg/core"
+	"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
+)
+
+type Repository interface {
+	Create(headerID int64, model PitFileStabilityFeeModel) error
+	MissingHeaders(startingBlockNumber, endingBlockNumber int64) ([]core.Header, error)
+}
+
+type PitFileStabilityFeeRepository struct {
+	db *postgres.DB
+}
+
+func NewPitFileStabilityFeeRepository(db *postgres.DB) PitFileStabilityFeeRepository {
+	return PitFileStabilityFeeRepository{
+		db: db,
+	}
+}
+
+func (repository PitFileStabilityFeeRepository) Create(headerID int64, model PitFileStabilityFeeModel) error {
+	_, err := repository.db.Exec(
+		`INSERT into maker.pit_file_stability_fee (header_id, what, data, tx_idx, raw_log)
+        VALUES($1, $2, $3, $4, $5)`,
+		headerID, model.What, model.Data, model.TransactionIndex, model.Raw,
+	)
+	return err
+}
+
+func (repository PitFileStabilityFeeRepository) MissingHeaders(startingBlockNumber, endingBlockNumber int64) ([]core.Header, error) {
+	var result []core.Header
+	err := repository.db.Select(
+		&result,
+		`SELECT headers.id, headers.block_number FROM headers
+               LEFT JOIN maker.pit_file_stability_fee on headers.id = header_id
+               WHERE header_id ISNULL
+               AND headers.block_number >= $1
+               AND headers.block_number <= $2
+               AND headers.eth_node_fingerprint = $3`,
+		startingBlockNumber,
+		endingBlockNumber,
+		repository.db.Node.ID,
+	)
+
+	return result, err
+}

pkg/transformers/pit_file/stability_fee/repository_test.go

@@ -1,37 +1,38 @@
-package pit_file_test
+package stability_fee_test
 
 import (
 	"database/sql"
+
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
+
 	"github.com/vulcanize/vulcanizedb/pkg/core"
 	"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres/repositories"
-	"github.com/vulcanize/vulcanizedb/pkg/transformers/pit_file"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/pit_file/stability_fee"
 	"github.com/vulcanize/vulcanizedb/pkg/transformers/test_data"
 	"github.com/vulcanize/vulcanizedb/test_config"
 )
 
-var _ = Describe("Pit file repository", func() {
+var _ = Describe("", func() {
 	Describe("Create", func() {
-		It("adds a pit file event", func() {
+		It("adds a pit file stability fee event", func() {
 			db := test_config.NewTestDB(core.Node{})
 			test_config.CleanTestDB(db)
 			headerRepository := repositories.NewHeaderRepository(db)
 			headerID, err := headerRepository.CreateOrUpdateHeader(core.Header{})
 			Expect(err).NotTo(HaveOccurred())
-			pitFileRepository := pit_file.NewPitFileRepository(db)
+			pitFileRepository := stability_fee.NewPitFileStabilityFeeRepository(db)
 
-			err = pitFileRepository.Create(headerID, 123, test_data.PitFileModel)
+			err = pitFileRepository.Create(headerID, test_data.PitFileStabilityFeeModel)
 
 			Expect(err).NotTo(HaveOccurred())
-			var dbPitFile pit_file.PitFileModel
+			var dbPitFile stability_fee.PitFileStabilityFeeModel
-			err = db.Get(&dbPitFile, `SELECT ilk, what, risk, tx_idx, raw_log FROM maker.pit_file WHERE header_id = $1`, headerID)
+			err = db.Get(&dbPitFile, `SELECT what, data, tx_idx, raw_log FROM maker.pit_file_stability_fee WHERE header_id = $1`, headerID)
 			Expect(err).NotTo(HaveOccurred())
-			Expect(dbPitFile.Ilk).To(Equal(test_data.PitFileModel.Ilk))
+			Expect(dbPitFile.What).To(Equal(test_data.PitFileStabilityFeeModel.What))
-			Expect(dbPitFile.What).To(Equal(test_data.PitFileModel.What))
+			Expect(dbPitFile.Data).To(Equal(test_data.PitFileStabilityFeeModel.Data))
-			Expect(dbPitFile.Risk).To(Equal(test_data.PitFileModel.Risk))
+			Expect(dbPitFile.TransactionIndex).To(Equal(test_data.PitFileStabilityFeeModel.TransactionIndex))
-			Expect(dbPitFile.TransactionIndex).To(Equal(test_data.PitFileModel.TransactionIndex))
+			Expect(dbPitFile.Raw).To(MatchJSON(test_data.PitFileStabilityFeeModel.Raw))
-			Expect(dbPitFile.Raw).To(MatchJSON(test_data.PitFileModel.Raw))
 		})
 
 		It("does not duplicate pit file events", func() {
@@ -40,11 +41,11 @@ var _ = Describe("Pit file repository", func() {
 			headerRepository := repositories.NewHeaderRepository(db)
 			headerID, err := headerRepository.CreateOrUpdateHeader(core.Header{})
 			Expect(err).NotTo(HaveOccurred())
-			pitFileRepository := pit_file.NewPitFileRepository(db)
+			pitFileRepository := stability_fee.NewPitFileStabilityFeeRepository(db)
-			err = pitFileRepository.Create(headerID, 123, test_data.PitFileModel)
+			err = pitFileRepository.Create(headerID, test_data.PitFileStabilityFeeModel)
 			Expect(err).NotTo(HaveOccurred())
 
-			err = pitFileRepository.Create(headerID, 123, test_data.PitFileModel)
+			err = pitFileRepository.Create(headerID, test_data.PitFileStabilityFeeModel)
 
 			Expect(err).To(HaveOccurred())
 			Expect(err.Error()).To(ContainSubstring("pq: duplicate key value violates unique constraint"))
@@ -56,15 +57,15 @@ var _ = Describe("Pit file repository", func() {
 			headerRepository := repositories.NewHeaderRepository(db)
 			headerID, err := headerRepository.CreateOrUpdateHeader(core.Header{})
 			Expect(err).NotTo(HaveOccurred())
-			pitFileRepository := pit_file.NewPitFileRepository(db)
+			pitFileRepository := stability_fee.NewPitFileStabilityFeeRepository(db)
-			err = pitFileRepository.Create(headerID, 123, test_data.PitFileModel)
+			err = pitFileRepository.Create(headerID, test_data.PitFileStabilityFeeModel)
 			Expect(err).NotTo(HaveOccurred())
 
 			_, err = db.Exec(`DELETE FROM headers WHERE id = $1`, headerID)
 
 			Expect(err).NotTo(HaveOccurred())
-			var dbPitFile pit_file.PitFileModel
+			var dbPitFile stability_fee.PitFileStabilityFeeModel
-			err = db.Get(&dbPitFile, `SELECT ilk, what, risk, tx_idx, raw_log FROM maker.pit_file WHERE header_id = $1`, headerID)
+			err = db.Get(&dbPitFile, `SELECT what, data, tx_idx, raw_log FROM maker.pit_file_stability_fee WHERE header_id = $1`, headerID)
 			Expect(err).To(HaveOccurred())
 			Expect(err).To(MatchError(sql.ErrNoRows))
 		})
@@ -85,8 +86,8 @@ var _ = Describe("Pit file repository", func() {
 				headerIDs = append(headerIDs, headerID)
 				Expect(err).NotTo(HaveOccurred())
 			}
-			pitFileRepository := pit_file.NewPitFileRepository(db)
+			pitFileRepository := stability_fee.NewPitFileStabilityFeeRepository(db)
-			err := pitFileRepository.Create(headerIDs[1], 123, test_data.PitFileModel)
+			err := pitFileRepository.Create(headerIDs[1], test_data.PitFileStabilityFeeModel)
 			Expect(err).NotTo(HaveOccurred())
 
 			headers, err := pitFileRepository.MissingHeaders(startingBlockNumber, endingBlockNumber)
@@ -112,9 +113,9 @@ var _ = Describe("Pit file repository", func() {
 				_, err = headerRepositoryTwo.CreateOrUpdateHeader(core.Header{BlockNumber: n})
 				Expect(err).NotTo(HaveOccurred())
 			}
-			pitFileRepository := pit_file.NewPitFileRepository(db)
+			pitFileRepository := stability_fee.NewPitFileStabilityFeeRepository(db)
-			pitFileRepositoryTwo := pit_file.NewPitFileRepository(dbTwo)
+			pitFileRepositoryTwo := stability_fee.NewPitFileStabilityFeeRepository(dbTwo)
-			err := pitFileRepository.Create(headerIDs[0], 0, test_data.PitFileModel)
+			err := pitFileRepository.Create(headerIDs[0], test_data.PitFileStabilityFeeModel)
 			Expect(err).NotTo(HaveOccurred())
 
 			nodeOneMissingHeaders, err := pitFileRepository.MissingHeaders(blockNumbers[0], blockNumbers[len(blockNumbers)-1])

pkg/transformers/pit_file/stability_fee/stability_fee_suite_test.go

@@ -0,0 +1,13 @@
+package stability_fee_test
+
+import (
+	"testing"
+
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+)
+
+func TestStabilityFee(t *testing.T) {
+	RegisterFailHandler(Fail)
+	RunSpecs(t, "StabilityFee Suite")
+}

pkg/transformers/pit_file/stability_fee/transformer.go

@@ -0,0 +1,57 @@
+package stability_fee
+
+import (
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/vulcanize/vulcanizedb/pkg/core"
+	"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/pit_file"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
+)
+
+type PitFileStabilityFeeTransformer struct {
+	Config     shared.TransformerConfig
+	Converter  Converter
+	Fetcher    shared.LogFetcher
+	Repository Repository
+}
+
+type PitFileStabilityFeeTransformerInitializer struct {
+	Config shared.TransformerConfig
+}
+
+func (initializer PitFileStabilityFeeTransformerInitializer) NewPitFileStabilityFeeTransformer(db *postgres.DB, blockChain core.BlockChain) shared.Transformer {
+	converter := PitFileStabilityFeeConverter{}
+	fetcher := shared.NewFetcher(blockChain)
+	repository := NewPitFileStabilityFeeRepository(db)
+	return PitFileStabilityFeeTransformer{
+		Config:     initializer.Config,
+		Converter:  converter,
+		Fetcher:    fetcher,
+		Repository: repository,
+	}
+}
+
+func (transformer PitFileStabilityFeeTransformer) Execute() error {
+	missingHeaders, err := transformer.Repository.MissingHeaders(transformer.Config.StartingBlockNumber, transformer.Config.EndingBlockNumber)
+	if err != nil {
+		return err
+	}
+	for _, header := range missingHeaders {
+		topics := [][]common.Hash{{common.HexToHash(shared.PitFileStabilityFeeSignature)}}
+		matchingLogs, err := transformer.Fetcher.FetchLogs(pit_file.PitFileConfig.ContractAddress, topics, header.BlockNumber)
+		if err != nil {
+			return err
+		}
+		for _, log := range matchingLogs {
+			model, err := transformer.Converter.ToModel(pit_file.PitFileConfig.ContractAddress, shared.PitABI, log)
+			if err != nil {
+				return err
+			}
+			err = transformer.Repository.Create(header.Id, model)
+			if err != nil {
+				return err
+			}
+		}
+	}
+	return nil
+}

pkg/transformers/pit_file/stability_fee/transformer_test.go

@@ -0,0 +1,163 @@
+package stability_fee_test
+
+import (
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/types"
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+
+	"github.com/vulcanize/vulcanizedb/pkg/core"
+	"github.com/vulcanize/vulcanizedb/pkg/fakes"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/pit_file"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/pit_file/stability_fee"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/test_data"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/test_data/mocks"
+	stability_fee_mocks "github.com/vulcanize/vulcanizedb/pkg/transformers/test_data/mocks/pit_file/stability_fee"
+)
+
+var _ = Describe("", func() {
+	It("gets missing headers for block numbers specified in config", func() {
+		repository := &stability_fee_mocks.MockPitFileStabilityFeeRepository{}
+		transformer := stability_fee.PitFileStabilityFeeTransformer{
+			Config:     pit_file.PitFileConfig,
+			Fetcher:    &mocks.MockLogFetcher{},
+			Converter:  &stability_fee_mocks.MockPitFileStabilityFeeConverter{},
+			Repository: repository,
+		}
+
+		err := transformer.Execute()
+
+		Expect(err).NotTo(HaveOccurred())
+		Expect(repository.PassedStartingBlockNumber).To(Equal(pit_file.PitFileConfig.StartingBlockNumber))
+		Expect(repository.PassedEndingBlockNumber).To(Equal(pit_file.PitFileConfig.EndingBlockNumber))
+	})
+
+	It("returns error if repository returns error for missing headers", func() {
+		repository := &stability_fee_mocks.MockPitFileStabilityFeeRepository{}
+		repository.SetMissingHeadersErr(fakes.FakeError)
+		transformer := stability_fee.PitFileStabilityFeeTransformer{
+			Fetcher:    &mocks.MockLogFetcher{},
+			Converter:  &stability_fee_mocks.MockPitFileStabilityFeeConverter{},
+			Repository: repository,
+		}
+
+		err := transformer.Execute()
+
+		Expect(err).To(HaveOccurred())
+		Expect(err).To(MatchError(fakes.FakeError))
+	})
+
+	It("fetches logs for missing headers", func() {
+		fetcher := &mocks.MockLogFetcher{}
+		repository := &stability_fee_mocks.MockPitFileStabilityFeeRepository{}
+		repository.SetMissingHeaders([]core.Header{{BlockNumber: 1}, {BlockNumber: 2}})
+		transformer := stability_fee.PitFileStabilityFeeTransformer{
+			Fetcher:    fetcher,
+			Converter:  &stability_fee_mocks.MockPitFileStabilityFeeConverter{},
+			Repository: repository,
+		}
+
+		err := transformer.Execute()
+
+		Expect(err).NotTo(HaveOccurred())
+		Expect(fetcher.FetchedBlocks).To(Equal([]int64{1, 2}))
+		Expect(fetcher.FetchedContractAddress).To(Equal(pit_file.PitFileConfig.ContractAddress))
+		Expect(fetcher.FetchedTopics).To(Equal([][]common.Hash{{common.HexToHash(shared.PitFileStabilityFeeSignature)}}))
+	})
+
+	It("returns error if fetcher returns error", func() {
+		fetcher := &mocks.MockLogFetcher{}
+		fetcher.SetFetcherError(fakes.FakeError)
+		repository := &stability_fee_mocks.MockPitFileStabilityFeeRepository{}
+		repository.SetMissingHeaders([]core.Header{{BlockNumber: 1}})
+		transformer := stability_fee.PitFileStabilityFeeTransformer{
+			Fetcher:    fetcher,
+			Converter:  &stability_fee_mocks.MockPitFileStabilityFeeConverter{},
+			Repository: repository,
+		}
+
+		err := transformer.Execute()
+
+		Expect(err).To(HaveOccurred())
+		Expect(err).To(MatchError(fakes.FakeError))
+	})
+
+	It("converts matching logs", func() {
+		converter := &stability_fee_mocks.MockPitFileStabilityFeeConverter{}
+		fetcher := &mocks.MockLogFetcher{}
+		fetcher.SetFetchedLogs([]types.Log{test_data.EthPitFileStabilityFeeLog})
+		repository := &stability_fee_mocks.MockPitFileStabilityFeeRepository{}
+		repository.SetMissingHeaders([]core.Header{{BlockNumber: 1}})
+		transformer := stability_fee.PitFileStabilityFeeTransformer{
+			Fetcher:    fetcher,
+			Converter:  converter,
+			Repository: repository,
+		}
+
+		err := transformer.Execute()
+
+		Expect(err).NotTo(HaveOccurred())
+		Expect(converter.PassedContractAddress).To(Equal(pit_file.PitFileConfig.ContractAddress))
+		Expect(converter.PassedContractABI).To(Equal(pit_file.PitFileConfig.ContractAbi))
+		Expect(converter.PassedLog).To(Equal(test_data.EthPitFileStabilityFeeLog))
+	})
+
+	It("returns error if converter returns error", func() {
+		converter := &stability_fee_mocks.MockPitFileStabilityFeeConverter{}
+		converter.SetConverterError(fakes.FakeError)
+		fetcher := &mocks.MockLogFetcher{}
+		fetcher.SetFetchedLogs([]types.Log{test_data.EthPitFileStabilityFeeLog})
+		repository := &stability_fee_mocks.MockPitFileStabilityFeeRepository{}
+		repository.SetMissingHeaders([]core.Header{{BlockNumber: 1}})
+		transformer := stability_fee.PitFileStabilityFeeTransformer{
+			Fetcher:    fetcher,
+			Converter:  converter,
+			Repository: repository,
+		}
+
+		err := transformer.Execute()
+
+		Expect(err).To(HaveOccurred())
+		Expect(err).To(MatchError(fakes.FakeError))
+	})
+
+	It("persists pit file model", func() {
+		converter := &stability_fee_mocks.MockPitFileStabilityFeeConverter{}
+		fetcher := &mocks.MockLogFetcher{}
+		fetcher.SetFetchedLogs([]types.Log{test_data.EthPitFileStabilityFeeLog})
+		repository := &stability_fee_mocks.MockPitFileStabilityFeeRepository{}
+		fakeHeader := core.Header{BlockNumber: 1, Id: 2}
+		repository.SetMissingHeaders([]core.Header{fakeHeader})
+		transformer := stability_fee.PitFileStabilityFeeTransformer{
+			Fetcher:    fetcher,
+			Converter:  converter,
+			Repository: repository,
+		}
+
+		err := transformer.Execute()
+
+		Expect(err).NotTo(HaveOccurred())
+		Expect(repository.PassedHeaderID).To(Equal(fakeHeader.Id))
+		Expect(repository.PassedModel).To(Equal(test_data.PitFileStabilityFeeModel))
+	})
+
+	It("returns error if repository returns error for create", func() {
+		converter := &stability_fee_mocks.MockPitFileStabilityFeeConverter{}
+		fetcher := &mocks.MockLogFetcher{}
+		fetcher.SetFetchedLogs([]types.Log{test_data.EthPitFileStabilityFeeLog})
+		repository := &stability_fee_mocks.MockPitFileStabilityFeeRepository{}
+		repository.SetMissingHeaders([]core.Header{{BlockNumber: 1, Id: 2}})
+		repository.SetCreateError(fakes.FakeError)
+		transformer := stability_fee.PitFileStabilityFeeTransformer{
+			Fetcher:    fetcher,
+			Converter:  converter,
+			Repository: repository,
+		}
+
+		err := transformer.Execute()
+
+		Expect(err).To(HaveOccurred())
+		Expect(err).To(MatchError(fakes.FakeError))
+	})
+})

pkg/transformers/shared/constants.go

@@ -15,13 +15,13 @@
 package shared
 
 var (
-	biteMethod         = "Bite(bytes32,bytes32,uint256,uint256,uint256,uint256,uint256)"
+	biteMethod                = "Bite(bytes32,bytes32,uint256,uint256,uint256,uint256,uint256)"
-	flipKickMethod     = "Kick(uint256,uint256,uint256,address,uint48,bytes32,uint256)"
+	flipKickMethod            = "Kick(uint256,uint256,uint256,address,uint48,bytes32,uint256)"
-	frobMethod         = "Frob(bytes32,bytes32,uint256,uint256,int256,int256,uint256)"
+	frobMethod                = "Frob(bytes32,bytes32,uint256,uint256,int256,int256,uint256)"
-	pitFileMethodOne   = "file(bytes32,bytes32,uint256)"
+	pitFileIlkMethod          = "file(bytes32,bytes32,uint256)"
-	pitFileMethodThree = "file(bytes32,address)"
+	pitFileStabilityFeeMethod = "file(bytes32,address)"
-	pitFileMethodTwo   = "file(bytes32,uint256)"
+	pitFileDebtCeilingMethod  = "file(bytes32,uint256)"
-	tendMethod         = "tend(uint256,uint256,uint256)"
+	tendMethod                = "tend(uint256,uint256,uint256)"
 
 	CatABI        = "[{\"constant\":true,\"inputs\":[],\"name\":\"vat\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"vow\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"name\":\"flips\",\"outputs\":[{\"name\":\"ilk\",\"type\":\"bytes32\"},{\"name\":\"lad\",\"type\":\"bytes32\"},{\"name\":\"ink\",\"type\":\"uint256\"},{\"name\":\"tab\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"nflip\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"live\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"\",\"type\":\"address\"}],\"name\":\"wards\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"\",\"type\":\"bytes32\"}],\"name\":\"ilks\",\"outputs\":[{\"name\":\"flip\",\"type\":\"address\"},{\"name\":\"chop\",\"type\":\"uint256\"},{\"name\":\"lump\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"pit\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"name\":\"vat_\",\"type\":\"address\"},{\"name\":\"pit_\",\"type\":\"address\"},{\"name\":\"vow_\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"ilk\",\"type\":\"bytes32\"},{\"indexed\":true,\"name\":\"lad\",\"type\":\"bytes32\"},{\"indexed\":false,\"name\":\"ink\",\"type\":\"uint256\"},{\"indexed\":false,\"name\":\"art\",\"type\":\"uint256\"},{\"indexed\":false,\"name\":\"tab\",\"type\":\"uint256\"},{\"indexed\":false,\"name\":\"flip\",\"type\":\"uint256\"},{\"indexed\":false,\"name\":\"iArt\",\"type\":\"uint256\"}],\"name\":\"Bite\",\"type\":\"event\"},{\"anonymous\":true,\"inputs\":[{\"indexed\":true,\"name\":\"sig\",\"type\":\"bytes4\"},{\"indexed\":true,\"name\":\"guy\",\"type\":\"address\"},{\"indexed\":true,\"name\":\"foo\",\"type\":\"bytes32\"},{\"indexed\":true,\"name\":\"bar\",\"type\":\"bytes32\"},{\"indexed\":false,\"name\":\"wad\",\"type\":\"uint256\"},{\"indexed\":false,\"name\":\"fax\",\"type\":\"bytes\"}],\"name\":\"LogNote\",\"type\":\"event\"},{\"constant\":false,\"inputs\":[{\"name\":\"guy\",\"type\":\"address\"}],\"name\":\"rely\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"guy\",\"type\":\"address\"}],\"name\":\"deny\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"ilk\",\"type\":\"bytes32\"},{\"name\":\"what\",\"type\":\"bytes32\"},{\"name\":\"data\",\"type\":\"uint256\"}],\"name\":\"file\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"ilk\",\"type\":\"bytes32\"},{\"name\":\"what\",\"type\":\"bytes32\"},{\"name\":\"flip\",\"type\":\"address\"}],\"name\":\"file\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"ilk\",\"type\":\"bytes32\"},{\"name\":\"lad\",\"type\":\"bytes32\"}],\"name\":\"bite\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"n\",\"type\":\"uint256\"},{\"name\":\"wad\",\"type\":\"uint256\"}],\"name\":\"flip\",\"outputs\":[{\"name\":\"id\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"}]"
 	FlipperABI    = `[{"constant":true,"inputs":[{"name":"","type":"uint256"}],"name":"bids","outputs":[{"name":"bid","type":"uint256"},{"name":"lot","type":"uint256"},{"name":"guy","type":"address"},{"name":"tic","type":"uint48"},{"name":"end","type":"uint48"},{"name":"urn","type":"bytes32"},{"name":"gal","type":"address"},{"name":"tab","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function","signature":"0x4423c5f1"},{"constant":true,"inputs":[],"name":"ttl","outputs":[{"name":"","type":"uint48"}],"payable":false,"stateMutability":"view","type":"function","signature":"0x4e8b1dd5"},{"constant":true,"inputs":[],"name":"gem","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function","signature":"0x7bd2bea7"},{"constant":true,"inputs":[],"name":"beg","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function","signature":"0x7d780d82"},{"constant":true,"inputs":[],"name":"tau","outputs":[{"name":"","type":"uint48"}],"payable":false,"stateMutability":"view","type":"function","signature":"0xcfc4af55"},{"constant":true,"inputs":[],"name":"kicks","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function","signature":"0xcfdd3302"},{"constant":true,"inputs":[],"name":"dai","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function","signature":"0xf4b9fa75"},{"inputs":[{"name":"dai_","type":"address"},{"name":"gem_","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor","signature":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"id","type":"uint256"},{"indexed":false,"name":"lot","type":"uint256"},{"indexed":false,"name":"bid","type":"uint256"},{"indexed":false,"name":"gal","type":"address"},{"indexed":false,"name":"end","type":"uint48"},{"indexed":true,"name":"urn","type":"bytes32"},{"indexed":false,"name":"tab","type":"uint256"}],"name":"Kick","type":"event","signature":"0xbac86238bdba81d21995024470425ecb370078fa62b7271b90cf28cbd1e3e87e"},{"anonymous":true,"inputs":[{"indexed":true,"name":"sig","type":"bytes4"},{"indexed":true,"name":"guy","type":"address"},{"indexed":true,"name":"foo","type":"bytes32"},{"indexed":true,"name":"bar","type":"bytes32"},{"indexed":false,"name":"wad","type":"uint256"},{"indexed":false,"name":"fax","type":"bytes"}],"name":"LogNote","type":"event","signature":"0x644843f351d3fba4abcd60109eaff9f54bac8fb8ccf0bab941009c21df21cf31"},{"constant":true,"inputs":[],"name":"era","outputs":[{"name":"","type":"uint48"}],"payable":false,"stateMutability":"view","type":"function","signature":"0x143e55e0"},{"constant":false,"inputs":[{"name":"urn","type":"bytes32"},{"name":"gal","type":"address"},{"name":"tab","type":"uint256"},{"name":"lot","type":"uint256"},{"name":"bid","type":"uint256"}],"name":"kick","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"function","signature":"0xeae19d9e"},{"constant":false,"inputs":[{"name":"id","type":"uint256"}],"name":"tick","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function","signature":"0xfc7b6aee"},{"constant":false,"inputs":[{"name":"id","type":"uint256"},{"name":"lot","type":"uint256"},{"name":"bid","type":"uint256"}],"name":"tend","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function","signature":"0x4b43ed12"},{"constant":false,"inputs":[{"name":"id","type":"uint256"},{"name":"lot","type":"uint256"},{"name":"bid","type":"uint256"}],"name":"dent","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function","signature":"0x5ff3a382"},{"constant":false,"inputs":[{"name":"id","type":"uint256"}],"name":"deal","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function","signature":"0xc959c42b"}]`
@@ -30,12 +30,12 @@ var (
 
 	FlipperContractAddress = "0x6b59c42097e2fff7cad96cb08ceefd601081ad9c" //this is a temporary address deployed locally
 
-	BiteSignature         = GetEventSignature(biteMethod)
+	BiteSignature                = GetEventSignature(biteMethod)
-	FlipKickSignature     = GetEventSignature(flipKickMethod)
+	FlipKickSignature            = GetEventSignature(flipKickMethod)
-	FrobSignature         = GetEventSignature(frobMethod)
+	FrobSignature                = GetEventSignature(frobMethod)
-	LogValueSignature     = GetEventSignature("")
+	LogValueSignature            = GetEventSignature("")
-	PitFileSignatureOne   = GetLogNoteSignature(pitFileMethodOne)
+	PitFileIlkSignature          = GetLogNoteSignature(pitFileIlkMethod)
-	PitFileSignatureThree = GetLogNoteSignature(pitFileMethodThree)
+	PitFileStabilityFeeSignature = GetLogNoteSignature(pitFileStabilityFeeMethod)
-	PitFileSignatureTwo   = GetLogNoteSignature(pitFileMethodTwo)
+	PitFileDebtCeilingSignature  = GetLogNoteSignature(pitFileDebtCeilingMethod)
-	TendFunctionSignature = GetLogNoteSignature(tendMethod)
+	TendFunctionSignature        = GetLogNoteSignature(tendMethod)
 )

pkg/transformers/test_data/mocks/pit_file/ilk/converter.go

@@ -1,26 +1,26 @@
-package pit_file
+package ilk
 
 import (
 	"github.com/ethereum/go-ethereum/core/types"
 
-	"github.com/vulcanize/vulcanizedb/pkg/transformers/pit_file"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/pit_file/ilk"
 	"github.com/vulcanize/vulcanizedb/pkg/transformers/test_data"
 )
 
-type MockPitFileConverter struct {
+type MockPitFileIlkConverter struct {
 	PassedContractAddress string
 	PassedContractABI     string
 	PassedLog             types.Log
 	converterError        error
 }
 
-func (converter *MockPitFileConverter) SetConverterError(err error) {
+func (converter *MockPitFileIlkConverter) SetConverterError(err error) {
 	converter.converterError = err
 }
 
-func (converter *MockPitFileConverter) ToModel(contractAddress string, contractAbi string, ethLog types.Log) (pit_file.PitFileModel, error) {
+func (converter *MockPitFileIlkConverter) ToModel(contractAddress string, contractAbi string, ethLog types.Log) (ilk.PitFileIlkModel, error) {
 	converter.PassedContractAddress = contractAddress
 	converter.PassedContractABI = contractAbi
 	converter.PassedLog = ethLog
-	return test_data.PitFileModel, converter.converterError
+	return test_data.PitFileIlkModel, converter.converterError
 }

pkg/transformers/test_data/mocks/pit_file/ilk/repository.go

@@ -0,0 +1,40 @@
+package ilk
+
+import (
+	"github.com/vulcanize/vulcanizedb/pkg/core"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/pit_file/ilk"
+)
+
+type MockPitFileIlkRepository struct {
+	createError               error
+	PassedEndingBlockNumber   int64
+	PassedModel               ilk.PitFileIlkModel
+	PassedHeaderID            int64
+	PassedStartingBlockNumber int64
+	missingHeaders            []core.Header
+	missingHeadersErr         error
+}
+
+func (repository *MockPitFileIlkRepository) SetCreateError(err error) {
+	repository.createError = err
+}
+
+func (repository *MockPitFileIlkRepository) SetMissingHeadersErr(err error) {
+	repository.missingHeadersErr = err
+}
+
+func (repository *MockPitFileIlkRepository) SetMissingHeaders(headers []core.Header) {
+	repository.missingHeaders = headers
+}
+
+func (repository *MockPitFileIlkRepository) Create(headerID int64, model ilk.PitFileIlkModel) error {
+	repository.PassedHeaderID = headerID
+	repository.PassedModel = model
+	return repository.createError
+}
+
+func (repository *MockPitFileIlkRepository) MissingHeaders(startingBlockNumber, endingBlockNumber int64) ([]core.Header, error) {
+	repository.PassedStartingBlockNumber = startingBlockNumber
+	repository.PassedEndingBlockNumber = endingBlockNumber
+	return repository.missingHeaders, repository.missingHeadersErr
+}

pkg/transformers/test_data/mocks/pit_file/repository.go

@@ -1,42 +0,0 @@
-package pit_file
-
-import (
-	"github.com/vulcanize/vulcanizedb/pkg/core"
-	"github.com/vulcanize/vulcanizedb/pkg/transformers/pit_file"
-)
-
-type MockPitFileRepository struct {
-	createError               error
-	PassedEndingBlockNumber   int64
-	PassedModel               pit_file.PitFileModel
-	PassedHeaderID            int64
-	PassedStartingBlockNumber int64
-	PassedTransactionIndex    uint
-	missingHeaders            []core.Header
-	missingHeadersErr         error
-}
-
-func (repository *MockPitFileRepository) SetCreateError(err error) {
-	repository.createError = err
-}
-
-func (repository *MockPitFileRepository) SetMissingHeadersErr(err error) {
-	repository.missingHeadersErr = err
-}
-
-func (repository *MockPitFileRepository) SetMissingHeaders(headers []core.Header) {
-	repository.missingHeaders = headers
-}
-
-func (repository *MockPitFileRepository) Create(headerID int64, transactionIndex uint, model pit_file.PitFileModel) error {
-	repository.PassedHeaderID = headerID
-	repository.PassedTransactionIndex = transactionIndex
-	repository.PassedModel = model
-	return repository.createError
-}
-
-func (repository *MockPitFileRepository) MissingHeaders(startingBlockNumber, endingBlockNumber int64) ([]core.Header, error) {
-	repository.PassedStartingBlockNumber = startingBlockNumber
-	repository.PassedEndingBlockNumber = endingBlockNumber
-	return repository.missingHeaders, repository.missingHeadersErr
-}

pkg/transformers/test_data/mocks/pit_file/stability_fee/converter.go

@@ -0,0 +1,25 @@
+package stability_fee
+
+import (
+	"github.com/ethereum/go-ethereum/core/types"
+
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/pit_file/stability_fee"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/test_data"
+)
+
+type MockPitFileStabilityFeeConverter struct {
+	converterErr          error
+	PassedContractAddress string
+	PassedContractABI     string
+	PassedLog             types.Log
+}
+
+func (converter *MockPitFileStabilityFeeConverter) ToModel(contractAddress string, contractAbi string, ethLog types.Log) (stability_fee.PitFileStabilityFeeModel, error) {
+	converter.PassedContractAddress = contractAddress
+	converter.PassedContractABI = contractAbi
+	converter.PassedLog = ethLog
+	return test_data.PitFileStabilityFeeModel, converter.converterErr
+}
+func (converter *MockPitFileStabilityFeeConverter) SetConverterError(e error) {
+	converter.converterErr = e
+}

pkg/transformers/test_data/mocks/pit_file/stability_fee/repository.go

@@ -0,0 +1,38 @@
+package stability_fee
+
+import (
+	"github.com/vulcanize/vulcanizedb/pkg/core"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/pit_file/stability_fee"
+)
+
+type MockPitFileStabilityFeeRepository struct {
+	createErr                 error
+	missingHeaders            []core.Header
+	missingHeadersErr         error
+	PassedStartingBlockNumber int64
+	PassedEndingBlockNumber   int64
+	PassedHeaderID            int64
+	PassedModel               stability_fee.PitFileStabilityFeeModel
+}
+
+func (repository *MockPitFileStabilityFeeRepository) Create(headerID int64, model stability_fee.PitFileStabilityFeeModel) error {
+	repository.PassedModel = model
+	repository.PassedHeaderID = headerID
+	return repository.createErr
+}
+
+func (repository *MockPitFileStabilityFeeRepository) MissingHeaders(startingBlockNumber, endingBlockNumber int64) ([]core.Header, error) {
+	repository.PassedStartingBlockNumber = startingBlockNumber
+	repository.PassedEndingBlockNumber = endingBlockNumber
+	return repository.missingHeaders, repository.missingHeadersErr
+}
+
+func (repository *MockPitFileStabilityFeeRepository) SetMissingHeadersErr(e error) {
+	repository.missingHeadersErr = e
+}
+func (repository *MockPitFileStabilityFeeRepository) SetMissingHeaders(headers []core.Header) {
+	repository.missingHeaders = headers
+}
+func (repository *MockPitFileStabilityFeeRepository) SetCreateError(e error) {
+	repository.createErr = e
+}

pkg/transformers/test_data/pit_file.go

@@ -5,7 +5,8 @@ import (
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/ethereum/go-ethereum/core/types"
-	"github.com/vulcanize/vulcanizedb/pkg/transformers/pit_file"
+	ilk2 "github.com/vulcanize/vulcanizedb/pkg/transformers/pit_file/ilk"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/pit_file/stability_fee"
 	"math/big"
 )
 
@@ -13,7 +14,7 @@ var (
 	PitAddress = "0xff3f2400f1600f3f493a9a92704a29b96795af1a"
 )
 
-var EthPitFileLog = types.Log{
+var EthPitFileIlkLog = types.Log{
 	Address: common.HexToAddress(PitAddress),
 	Topics: []common.Hash{
 		common.HexToHash("0x1a0b287e00000000000000000000000000000000000000000000000000000000"),
@@ -30,11 +31,36 @@ var EthPitFileLog = types.Log{
 	Removed:     false,
 }
 
-var rawPitFileLog, _ = json.Marshal(EthPitFileLog)
+var rawPitFileIlkLog, _ = json.Marshal(EthPitFileIlkLog)
-var PitFileModel = pit_file.PitFileModel{
+var PitFileIlkModel = ilk2.PitFileIlkModel{
 	Ilk:              "fake ilk",
 	What:             "spot",
-	Risk:             big.NewInt(123).String(),
+	Data:             big.NewInt(123).String(),
-	TransactionIndex: EthPitFileLog.TxIndex,
+	TransactionIndex: EthPitFileIlkLog.TxIndex,
-	Raw:              rawPitFileLog,
+	Raw:              rawPitFileIlkLog,
+}
+
+var EthPitFileStabilityFeeLog = types.Log{
+	Address: common.HexToAddress("0x6b59c42097e2Fff7cad96cb08cEeFd601081aD9c"),
+	Topics: []common.Hash{
+		common.HexToHash("0xd4e8be8300000000000000000000000000000000000000000000000000000000"),
+		common.HexToHash("0x00000000000000000000000064d922894153be9eef7b7218dc565d1d0ce2a092"),
+		common.HexToHash("0x6472697000000000000000000000000000000000000000000000000000000000"),
+		common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000000000"),
+	},
+	Data:        hexutil.MustDecode("0x000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000044d4e8be8364726970000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"),
+	BlockNumber: 12,
+	TxHash:      common.HexToHash("0x78cdc62316ccf8e31515d09745cc724f557569f01a557d0d09b1066bf7079fd2"),
+	TxIndex:     0,
+	BlockHash:   common.HexToHash("0xe3d8e458421533170871b4033f978a3793ef10b7e33a9328a13c09e2fd90208d"),
+	Index:       0,
+	Removed:     false,
+}
+
+var rawPitFileStabilityFeeLog, _ = json.Marshal(EthPitFileStabilityFeeLog)
+var PitFileStabilityFeeModel = stability_fee.PitFileStabilityFeeModel{
+	What:             "drip",
+	Data:             "0x64d922894153BE9EEf7b7218dc565d1D0Ce2a092",
+	TransactionIndex: 0,
+	Raw:              rawPitFileStabilityFeeLog,
 }

pkg/transformers/transformers.go

@@ -19,6 +19,8 @@ import (
 	"github.com/vulcanize/vulcanizedb/pkg/transformers/flip_kick"
 	"github.com/vulcanize/vulcanizedb/pkg/transformers/frob"
 	"github.com/vulcanize/vulcanizedb/pkg/transformers/pit_file"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/pit_file/ilk"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/pit_file/stability_fee"
 	"github.com/vulcanize/vulcanizedb/pkg/transformers/price_feeds"
 	"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
 	"github.com/vulcanize/vulcanizedb/pkg/transformers/tend"
@@ -30,7 +32,8 @@ func TransformerInitializers() []shared.TransformerInitializer {
 	frobConfig := frob.FrobConfig
 	frobTransformerInitializer := frob.FrobTransformerInitializer{Config: frobConfig}
 	pitFileConfig := pit_file.PitFileConfig
-	pitFileTransformerInitializer := pit_file.PitFileTransformerInitializer{Config: pitFileConfig}
+	pitFileIlkTransformerInitializer := ilk.PitFileIlkTransformerInitializer{Config: pitFileConfig}
+	pitFileStabilityFeeTransformerInitializer := stability_fee.PitFileStabilityFeeTransformerInitializer{Config: pitFileConfig}
 	priceFeedConfig := price_feeds.PriceFeedConfig
 	priceFeedTransformerInitializer := price_feeds.PriceFeedTransformerInitializer{Config: priceFeedConfig}
 	tendConfig := tend.TendConfig
@@ -41,7 +44,8 @@ func TransformerInitializers() []shared.TransformerInitializer {
 		biteTransformerInitializer.NewBiteTransformer,
 		flipKickTransformerInitializer.NewFlipKickTransformer,
 		frobTransformerInitializer.NewFrobTransformer,
-		pitFileTransformerInitializer.NewPitFileTransformer,
+		pitFileIlkTransformerInitializer.NewPitFileIlkTransformer,
+		pitFileStabilityFeeTransformerInitializer.NewPitFileStabilityFeeTransformer,
 		priceFeedTransformerInitializer.NewPriceFeedTransformer,
 		tendTransformerInitializer.NewTendTransformer,
 	}

test_config/test_config.go

@@ -77,7 +77,8 @@ func CleanTestDB(db *postgres.DB) {
 	db.MustExec("DELETE FROM headers")
 	db.MustExec("DELETE FROM log_filters")
 	db.MustExec("DELETE FROM logs")
-	db.MustExec("DELETE FROM maker.pit_file")
+	db.MustExec("DELETE FROM maker.pit_file_ilk")
+	db.MustExec("DELETE FROM maker.pit_file_stability_fee")
 	db.MustExec("DELETE FROM receipts")
 	db.MustExec("DELETE FROM transactions")
 	db.MustExec("DELETE FROM watched_contracts")