Add Pit file debt ceiling event

db/migrations/1535667935_create_pit_file_table.down.sql

@@ -1,2 +1,3 @@
 DROP TABLE maker.pit_file_ilk;
-DROP TABLE maker.pit_file_stability_fee;
+DROP TABLE maker.pit_file_stability_fee;
+DROP TABLE maker.pit_file_debt_ceiling;

db/migrations/1535667935_create_pit_file_table.up.sql

@@ -17,4 +17,14 @@ CREATE TABLE maker.pit_file_stability_fee (
   tx_idx    INTEGER NOT NULL,
   raw_log   JSONB,
   UNIQUE (header_id, tx_idx)
-)
+);
+
+CREATE TABLE maker.pit_file_debt_ceiling (
+  id SERIAL PRIMARY KEY,
+  header_id INTEGER NOT NULL REFERENCES headers (id) ON DELETE CASCADE,
+  what      TEXT,
+  data      NUMERIC,
+  tx_idx    INTEGER NOT NULL,
+  raw_log   JSONB,
+  UNIQUE (header_id, tx_idx)
+);

db/schema.sql

@@ -156,6 +156,40 @@ CREATE SEQUENCE maker.frob_id_seq
 ALTER SEQUENCE maker.frob_id_seq OWNED BY maker.frob.id;
 
 
+--
+-- Name: pit_file_debt_ceiling; Type: TABLE; Schema: maker; Owner: -
+--
+
+CREATE TABLE maker.pit_file_debt_ceiling (
+    id integer NOT NULL,
+    header_id integer NOT NULL,
+    what text,
+    data numeric,
+    tx_idx integer NOT NULL,
+    raw_log jsonb
+);
+
+
+--
+-- Name: pit_file_debt_ceiling_id_seq; Type: SEQUENCE; Schema: maker; Owner: -
+--
+
+CREATE SEQUENCE maker.pit_file_debt_ceiling_id_seq
+    AS integer
+    START WITH 1
+    INCREMENT BY 1
+    NO MINVALUE
+    NO MAXVALUE
+    CACHE 1;
+
+
+--
+-- Name: pit_file_debt_ceiling_id_seq; Type: SEQUENCE OWNED BY; Schema: maker; Owner: -
+--
+
+ALTER SEQUENCE maker.pit_file_debt_ceiling_id_seq OWNED BY maker.pit_file_debt_ceiling.id;
+
+
 --
 -- Name: pit_file_ilk; Type: TABLE; Schema: maker; Owner: -
 --
@@ -689,6 +723,13 @@ ALTER TABLE ONLY maker.flip_kick ALTER COLUMN db_id SET DEFAULT nextval('maker.f
 ALTER TABLE ONLY maker.frob ALTER COLUMN id SET DEFAULT nextval('maker.frob_id_seq'::regclass);
 
 
+--
+-- Name: pit_file_debt_ceiling id; Type: DEFAULT; Schema: maker; Owner: -
+--
+
+ALTER TABLE ONLY maker.pit_file_debt_ceiling ALTER COLUMN id SET DEFAULT nextval('maker.pit_file_debt_ceiling_id_seq'::regclass);
+
+
 --
 -- Name: pit_file_ilk id; Type: DEFAULT; Schema: maker; Owner: -
 --
@@ -828,6 +869,22 @@ ALTER TABLE ONLY maker.frob
     ADD CONSTRAINT frob_pkey PRIMARY KEY (id);
 
 
+--
+-- Name: pit_file_debt_ceiling pit_file_debt_ceiling_header_id_tx_idx_key; Type: CONSTRAINT; Schema: maker; Owner: -
+--
+
+ALTER TABLE ONLY maker.pit_file_debt_ceiling
+    ADD CONSTRAINT pit_file_debt_ceiling_header_id_tx_idx_key UNIQUE (header_id, tx_idx);
+
+
+--
+-- Name: pit_file_debt_ceiling pit_file_debt_ceiling_pkey; Type: CONSTRAINT; Schema: maker; Owner: -
+--
+
+ALTER TABLE ONLY maker.pit_file_debt_ceiling
+    ADD CONSTRAINT pit_file_debt_ceiling_pkey PRIMARY KEY (id);
+
+
 --
 -- Name: pit_file_ilk pit_file_ilk_header_id_tx_idx_key; Type: CONSTRAINT; Schema: maker; Owner: -
 --
@@ -1055,6 +1112,14 @@ ALTER TABLE ONLY maker.price_feeds
     ADD CONSTRAINT headers_fk FOREIGN KEY (header_id) REFERENCES public.headers(id) ON DELETE CASCADE;
 
 
+--
+-- Name: pit_file_debt_ceiling pit_file_debt_ceiling_header_id_fkey; Type: FK CONSTRAINT; Schema: maker; Owner: -
+--
+
+ALTER TABLE ONLY maker.pit_file_debt_ceiling
+    ADD CONSTRAINT pit_file_debt_ceiling_header_id_fkey FOREIGN KEY (header_id) REFERENCES public.headers(id) ON DELETE CASCADE;
+
+
 --
 -- Name: pit_file_ilk pit_file_ilk_header_id_fkey; Type: FK CONSTRAINT; Schema: maker; Owner: -
 --

pkg/transformers/pit_file/debt_ceiling/converter.go

@@ -0,0 +1,29 @@
+package debt_ceiling
+
+import (
+	"encoding/json"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/types"
+	"math/big"
+)
+
+type Converter interface {
+	ToModel(contractAddress string, contractAbi string, ethLog types.Log) (PitFileDebtCeilingModel, error)
+}
+
+type PitFileDebtCeilingConverter struct{}
+
+func (PitFileDebtCeilingConverter) ToModel(contractAddress string, contractAbi string, ethLog types.Log) (PitFileDebtCeilingModel, error) {
+	what := common.HexToAddress(ethLog.Topics[1].String()).String()
+	itemByteLength := 32
+	riskBytes := ethLog.Data[len(ethLog.Data)-itemByteLength:]
+	data := big.NewInt(0).SetBytes(riskBytes).String()
+
+	raw, err := json.Marshal(ethLog)
+	return PitFileDebtCeilingModel{
+		What:             what,
+		Data:             data,
+		TransactionIndex: ethLog.TxIndex,
+		Raw:              raw,
+	}, err
+}

pkg/transformers/pit_file/debt_ceiling/converter_test.go

@@ -0,0 +1,25 @@
+package debt_ceiling_test
+
+import (
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/pit_file/debt_ceiling"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/test_data"
+)
+
+var _ = Describe("", func() {
+	It("converts a log to an model", func() {
+		converter := debt_ceiling.PitFileDebtCeilingConverter{}
+
+		model, err := converter.ToModel(test_data.PitAddress, shared.PitABI, test_data.EthPitFileDebtCeilingLog)
+
+		Expect(err).NotTo(HaveOccurred())
+		Expect(model.What).To(Equal(test_data.PitFileDebtCeilingModel.What))
+		Expect(model.Data).To(Equal(test_data.PitFileDebtCeilingModel.Data))
+		Expect(model.TransactionIndex).To(Equal(test_data.PitFileDebtCeilingModel.TransactionIndex))
+		Expect(model.Raw).To(Equal(test_data.PitFileDebtCeilingModel.Raw))
+		Expect(model).To(Equal(test_data.PitFileDebtCeilingModel))
+	})
+})

pkg/transformers/pit_file/debt_ceiling/model.go

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

pkg/transformers/pit_file/debt_ceiling/repository.go

@@ -0,0 +1,48 @@
+package debt_ceiling
+
+import (
+	"github.com/vulcanize/vulcanizedb/pkg/core"
+	"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
+)
+
+type Repository interface {
+	Create(headerID int64, model PitFileDebtCeilingModel) error
+	MissingHeaders(startingBlockNumber, endingBlockNumber int64) ([]core.Header, error)
+}
+
+type PitFileDebtCeilingRepository struct {
+	db *postgres.DB
+}
+
+func NewPitFileDebtCeilingRepository(db *postgres.DB) PitFileDebtCeilingRepository {
+	return PitFileDebtCeilingRepository{
+		db: db,
+	}
+}
+
+func (repository PitFileDebtCeilingRepository) Create(headerID int64, model PitFileDebtCeilingModel) error {
+	_, err := repository.db.Exec(
+		`INSERT into maker.pit_file_debt_ceiling (header_id, what, data, tx_idx, raw_log)
+        VALUES($1, $2, $3::NUMERIC, $4, $5)`,
+		headerID, model.What, model.Data, model.TransactionIndex, model.Raw,
+	)
+	return err
+}
+
+func (repository PitFileDebtCeilingRepository) 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_debt_ceiling 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/debt_ceiling/repository_test.go

@@ -0,0 +1,130 @@
+package debt_ceiling_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/debt_ceiling"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/test_data"
+	"github.com/vulcanize/vulcanizedb/test_config"
+)
+
+var _ = Describe("", func() {
+	Describe("Create", func() {
+		It("adds a pit file debt ceiling 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 := debt_ceiling.NewPitFileDebtCeilingRepository(db)
+
+			err = pitFileRepository.Create(headerID, test_data.PitFileDebtCeilingModel)
+
+			Expect(err).NotTo(HaveOccurred())
+			var dbPitFile debt_ceiling.PitFileDebtCeilingModel
+			err = db.Get(&dbPitFile, `SELECT what, data, tx_idx, raw_log FROM maker.pit_file_debt_ceiling WHERE header_id = $1`, headerID)
+			Expect(err).NotTo(HaveOccurred())
+			Expect(dbPitFile.What).To(Equal(test_data.PitFileDebtCeilingModel.What))
+			Expect(dbPitFile.Data).To(Equal(test_data.PitFileDebtCeilingModel.Data))
+			Expect(dbPitFile.TransactionIndex).To(Equal(test_data.PitFileDebtCeilingModel.TransactionIndex))
+			Expect(dbPitFile.Raw).To(MatchJSON(test_data.PitFileDebtCeilingModel.Raw))
+		})
+
+		It("does not duplicate pit file 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 := debt_ceiling.NewPitFileDebtCeilingRepository(db)
+			err = pitFileRepository.Create(headerID, test_data.PitFileDebtCeilingModel)
+			Expect(err).NotTo(HaveOccurred())
+
+			err = pitFileRepository.Create(headerID, test_data.PitFileDebtCeilingModel)
+
+			Expect(err).To(HaveOccurred())
+			Expect(err.Error()).To(ContainSubstring("pq: duplicate key value violates unique constraint"))
+		})
+
+		It("removes pit file 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 := debt_ceiling.NewPitFileDebtCeilingRepository(db)
+			err = pitFileRepository.Create(headerID, test_data.PitFileDebtCeilingModel)
+			Expect(err).NotTo(HaveOccurred())
+
+			_, err = db.Exec(`DELETE FROM headers WHERE id = $1`, headerID)
+
+			Expect(err).NotTo(HaveOccurred())
+			var dbPitFile debt_ceiling.PitFileDebtCeilingModel
+			err = db.Get(&dbPitFile, `SELECT what, data, tx_idx, raw_log FROM maker.pit_file_debt_ceiling 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 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 := debt_ceiling.NewPitFileDebtCeilingRepository(db)
+			err := pitFileRepository.Create(headerIDs[1], test_data.PitFileDebtCeilingModel)
+			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 := debt_ceiling.NewPitFileDebtCeilingRepository(db)
+			pitFileRepositoryTwo := debt_ceiling.NewPitFileDebtCeilingRepository(dbTwo)
+			err := pitFileRepository.Create(headerIDs[0], test_data.PitFileDebtCeilingModel)
+			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/debt_ceiling/transformer.go

@@ -0,0 +1,57 @@
+package debt_ceiling
+
+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 PitFileDebtCeilingTransformer struct {
+	Config     shared.TransformerConfig
+	Converter  Converter
+	Fetcher    shared.LogFetcher
+	Repository Repository
+}
+
+type PitFileDebtCeilingTransformerInitializer struct {
+	Config shared.TransformerConfig
+}
+
+func (initializer PitFileDebtCeilingTransformerInitializer) NewPitFileDebtCeilingTransformer(db *postgres.DB, blockChain core.BlockChain) shared.Transformer {
+	converter := PitFileDebtCeilingConverter{}
+	fetcher := shared.NewFetcher(blockChain)
+	repository := NewPitFileDebtCeilingRepository(db)
+	return PitFileDebtCeilingTransformer{
+		Config:     initializer.Config,
+		Converter:  converter,
+		Fetcher:    fetcher,
+		Repository: repository,
+	}
+}
+
+func (transformer PitFileDebtCeilingTransformer) 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.PitFileDebtCeilingSignature)}}
+		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/debt_ceiling/transformer_test.go

@@ -0,0 +1,162 @@
+package debt_ceiling_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/debt_ceiling"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/test_data"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/test_data/mocks"
+	debt_ceiling_mocks "github.com/vulcanize/vulcanizedb/pkg/transformers/test_data/mocks/pit_file/debt_ceiling"
+)
+
+var _ = Describe("", func() {
+	It("gets missing headers for block numbers specified in config", func() {
+		repository := &debt_ceiling_mocks.MockPitFileDebtCeilingRepository{}
+		transformer := debt_ceiling.PitFileDebtCeilingTransformer{
+			Config:     pit_file.PitFileConfig,
+			Fetcher:    &mocks.MockLogFetcher{},
+			Converter:  &debt_ceiling_mocks.MockPitFileDebtCeilingConverter{},
+			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 := &debt_ceiling_mocks.MockPitFileDebtCeilingRepository{}
+		repository.SetMissingHeadersErr(fakes.FakeError)
+		transformer := debt_ceiling.PitFileDebtCeilingTransformer{
+			Fetcher:    &mocks.MockLogFetcher{},
+			Converter:  &debt_ceiling_mocks.MockPitFileDebtCeilingConverter{},
+			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 := &debt_ceiling_mocks.MockPitFileDebtCeilingRepository{}
+		repository.SetMissingHeaders([]core.Header{{BlockNumber: 1}, {BlockNumber: 2}})
+		transformer := debt_ceiling.PitFileDebtCeilingTransformer{
+			Fetcher:    fetcher,
+			Converter:  &debt_ceiling_mocks.MockPitFileDebtCeilingConverter{},
+			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.PitFileDebtCeilingSignature)}}))
+	})
+
+	It("returns error if fetcher returns error", func() {
+		fetcher := &mocks.MockLogFetcher{}
+		fetcher.SetFetcherError(fakes.FakeError)
+		repository := &debt_ceiling_mocks.MockPitFileDebtCeilingRepository{}
+		repository.SetMissingHeaders([]core.Header{{BlockNumber: 1}})
+		transformer := debt_ceiling.PitFileDebtCeilingTransformer{
+			Fetcher:    fetcher,
+			Converter:  &debt_ceiling_mocks.MockPitFileDebtCeilingConverter{},
+			Repository: repository,
+		}
+
+		err := transformer.Execute()
+
+		Expect(err).To(HaveOccurred())
+		Expect(err).To(MatchError(fakes.FakeError))
+	})
+
+	It("converts matching logs", func() {
+		converter := &debt_ceiling_mocks.MockPitFileDebtCeilingConverter{}
+		fetcher := &mocks.MockLogFetcher{}
+		fetcher.SetFetchedLogs([]types.Log{test_data.EthPitFileDebtCeilingLog})
+		repository := &debt_ceiling_mocks.MockPitFileDebtCeilingRepository{}
+		repository.SetMissingHeaders([]core.Header{{BlockNumber: 1}})
+		transformer := debt_ceiling.PitFileDebtCeilingTransformer{
+			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.EthPitFileDebtCeilingLog))
+	})
+
+	It("returns error if converter returns error", func() {
+		converter := &debt_ceiling_mocks.MockPitFileDebtCeilingConverter{}
+		converter.SetConverterError(fakes.FakeError)
+		fetcher := &mocks.MockLogFetcher{}
+		fetcher.SetFetchedLogs([]types.Log{test_data.EthPitFileDebtCeilingLog})
+		repository := &debt_ceiling_mocks.MockPitFileDebtCeilingRepository{}
+		repository.SetMissingHeaders([]core.Header{{BlockNumber: 1}})
+		transformer := debt_ceiling.PitFileDebtCeilingTransformer{
+			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 := &debt_ceiling_mocks.MockPitFileDebtCeilingConverter{}
+		fetcher := &mocks.MockLogFetcher{}
+		fetcher.SetFetchedLogs([]types.Log{test_data.EthPitFileDebtCeilingLog})
+		repository := &debt_ceiling_mocks.MockPitFileDebtCeilingRepository{}
+		fakeHeader := core.Header{BlockNumber: 1, Id: 2}
+		repository.SetMissingHeaders([]core.Header{fakeHeader})
+		transformer := debt_ceiling.PitFileDebtCeilingTransformer{
+			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.PitFileDebtCeilingModel))
+	})
+
+	It("returns error if repository returns error for create", func() {
+		converter := &debt_ceiling_mocks.MockPitFileDebtCeilingConverter{}
+		fetcher := &mocks.MockLogFetcher{}
+		fetcher.SetFetchedLogs([]types.Log{test_data.EthPitFileDebtCeilingLog})
+		repository := &debt_ceiling_mocks.MockPitFileDebtCeilingRepository{}
+		repository.SetMissingHeaders([]core.Header{{BlockNumber: 1, Id: 2}})
+		repository.SetCreateError(fakes.FakeError)
+		transformer := debt_ceiling.PitFileDebtCeilingTransformer{
+			Fetcher:    fetcher,
+			Converter:  converter,
+			Repository: repository,
+		}
+
+		err := transformer.Execute()
+
+		Expect(err).To(HaveOccurred())
+		Expect(err).To(MatchError(fakes.FakeError))
+	})
+})

pkg/transformers/shared/constants.go

@@ -18,9 +18,9 @@ var (
 	biteMethod                = "Bite(bytes32,bytes32,uint256,uint256,uint256,uint256,uint256)"
 	flipKickMethod            = "Kick(uint256,uint256,uint256,address,uint48,bytes32,uint256)"
 	frobMethod                = "Frob(bytes32,bytes32,uint256,uint256,int256,int256,uint256)"
+	pitFileDebtCeilingMethod  = "file(bytes32,uint256)"
 	pitFileIlkMethod          = "file(bytes32,bytes32,uint256)"
 	pitFileStabilityFeeMethod = "file(bytes32,address)"
-	pitFileDebtCeilingMethod  = "file(bytes32,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\"}]"
@@ -34,8 +34,8 @@ var (
 	FlipKickSignature            = GetEventSignature(flipKickMethod)
 	FrobSignature                = GetEventSignature(frobMethod)
 	LogValueSignature            = GetEventSignature("")
+	PitFileDebtCeilingSignature  = GetLogNoteSignature(pitFileDebtCeilingMethod)
 	PitFileIlkSignature          = GetLogNoteSignature(pitFileIlkMethod)
 	PitFileStabilityFeeSignature = GetLogNoteSignature(pitFileStabilityFeeMethod)
-	PitFileDebtCeilingSignature  = GetLogNoteSignature(pitFileDebtCeilingMethod)
 	TendFunctionSignature        = GetLogNoteSignature(tendMethod)
 )

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

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

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

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

pkg/transformers/test_data/pit_file.go

@@ -5,6 +5,7 @@ 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/debt_ceiling"
 	ilk2 "github.com/vulcanize/vulcanizedb/pkg/transformers/pit_file/ilk"
 	"github.com/vulcanize/vulcanizedb/pkg/transformers/pit_file/stability_fee"
 	"math/big"
@@ -14,6 +15,31 @@ var (
 	PitAddress = "0xff3f2400f1600f3f493a9a92704a29b96795af1a"
 )
 
+var EthPitFileDebtCeilingLog = types.Log{
+	Address: common.HexToAddress(PitAddress),
+	Topics: []common.Hash{
+		common.HexToHash("0x29ae811400000000000000000000000000000000000000000000000000000000"),
+		common.HexToHash("0x00000000000000000000000064d922894153be9eef7b7218dc565d1d0ce2a092"),
+		common.HexToHash("0x6472697000000000000000000000000000000000000000000000000000000000"),
+		common.HexToHash("0x000000000000000000000000000000000000000000000000000000000000007b"),
+	},
+	Data:        hexutil.MustDecode("0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000004429ae81146472697000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007b"),
+	BlockNumber: 22,
+	TxHash:      common.HexToHash("0xd744878a0b6655e3ba729e1019f56b563b4a16750196b8ad6104f3977db43f42"),
+	TxIndex:     333,
+	BlockHash:   common.HexToHash("0xa54d9d99c315bea3dda7256a36e51773ed009a01c0859295c5382d4b83d7eeb9"),
+	Index:       0,
+	Removed:     false,
+}
+
+var rawPitFileDebtCeilingLog, _ = json.Marshal(EthPitFileDebtCeilingLog)
+var PitFileDebtCeilingModel = debt_ceiling.PitFileDebtCeilingModel{
+	What:             "0x64d922894153BE9EEf7b7218dc565d1D0Ce2a092",
+	Data:             big.NewInt(123).String(),
+	TransactionIndex: EthPitFileDebtCeilingLog.TxIndex,
+	Raw:              rawPitFileDebtCeilingLog,
+}
+
 var EthPitFileIlkLog = types.Log{
 	Address: common.HexToAddress(PitAddress),
 	Topics: []common.Hash{
@@ -51,7 +77,7 @@ var EthPitFileStabilityFeeLog = types.Log{
 	Data:        hexutil.MustDecode("0x000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000044d4e8be8364726970000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"),
 	BlockNumber: 12,
 	TxHash:      common.HexToHash("0x78cdc62316ccf8e31515d09745cc724f557569f01a557d0d09b1066bf7079fd2"),
-	TxIndex:     0,
+	TxIndex:     222,
 	BlockHash:   common.HexToHash("0xe3d8e458421533170871b4033f978a3793ef10b7e33a9328a13c09e2fd90208d"),
 	Index:       0,
 	Removed:     false,
@@ -61,6 +87,6 @@ var rawPitFileStabilityFeeLog, _ = json.Marshal(EthPitFileStabilityFeeLog)
 var PitFileStabilityFeeModel = stability_fee.PitFileStabilityFeeModel{
 	What:             "drip",
 	Data:             "0x64d922894153BE9EEf7b7218dc565d1D0Ce2a092",
-	TransactionIndex: 0,
+	TransactionIndex: EthPitFileStabilityFeeLog.TxIndex,
 	Raw:              rawPitFileStabilityFeeLog,
 }

pkg/transformers/transformers.go

@@ -19,6 +19,7 @@ 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/debt_ceiling"
 	"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"
@@ -32,6 +33,7 @@ func TransformerInitializers() []shared.TransformerInitializer {
 	frobConfig := frob.FrobConfig
 	frobTransformerInitializer := frob.FrobTransformerInitializer{Config: frobConfig}
 	pitFileConfig := pit_file.PitFileConfig
+	pitFileDebtCeilingTransformerInitializer := debt_ceiling.PitFileDebtCeilingTransformerInitializer{Config: pitFileConfig}
 	pitFileIlkTransformerInitializer := ilk.PitFileIlkTransformerInitializer{Config: pitFileConfig}
 	pitFileStabilityFeeTransformerInitializer := stability_fee.PitFileStabilityFeeTransformerInitializer{Config: pitFileConfig}
 	priceFeedConfig := price_feeds.PriceFeedConfig
@@ -44,6 +46,7 @@ func TransformerInitializers() []shared.TransformerInitializer {
 		biteTransformerInitializer.NewBiteTransformer,
 		flipKickTransformerInitializer.NewFlipKickTransformer,
 		frobTransformerInitializer.NewFrobTransformer,
+		pitFileDebtCeilingTransformerInitializer.NewPitFileDebtCeilingTransformer,
 		pitFileIlkTransformerInitializer.NewPitFileIlkTransformer,
 		pitFileStabilityFeeTransformerInitializer.NewPitFileStabilityFeeTransformer,
 		priceFeedTransformerInitializer.NewPriceFeedTransformer,