// VulcanizeDB
// Copyright © 2019 Vulcanize

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.

// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package eth_test

import (
	"math/big"

	"github.com/ethereum/go-ethereum/common"
	"github.com/ethereum/go-ethereum/crypto"
	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"

	"github.com/vulcanize/vulcanizedb/pkg/postgres"
	"github.com/vulcanize/vulcanizedb/pkg/super_node/eth"
	eth2 "github.com/vulcanize/vulcanizedb/pkg/super_node/eth"
	"github.com/vulcanize/vulcanizedb/pkg/super_node/shared"
)

var (
	// Block 0
	// header variables
	blockHash1      = crypto.Keccak256Hash([]byte{00, 02})
	blocKNumber1    = big.NewInt(0)
	headerCID1      = "mockHeader1CID"
	parentHash      = crypto.Keccak256Hash([]byte{00, 01})
	totalDifficulty = "50000000000000000000"
	reward          = "5000000000000000000"
	headerModel     = eth2.HeaderModel{
		BlockHash:       blockHash1.String(),
		BlockNumber:     blocKNumber1.String(),
		CID:             headerCID1,
		ParentHash:      parentHash.String(),
		TotalDifficulty: totalDifficulty,
		Reward:          reward,
	}

	// tx variables
	tx1CID    = "mockTx1CID"
	tx2CID    = "mockTx2CID"
	tx1Hash   = crypto.Keccak256Hash([]byte{01, 01})
	tx2Hash   = crypto.Keccak256Hash([]byte{01, 02})
	txSrc     = common.HexToAddress("0x010a")
	txDst     = common.HexToAddress("0x020a")
	txModels1 = []eth2.TxModel{
		{
			CID:    tx1CID,
			TxHash: tx1Hash.String(),
			Index:  0,
		},
		{
			CID:    tx2CID,
			TxHash: tx2Hash.String(),
			Index:  1,
		},
	}

	// uncle variables
	uncleCID        = "mockUncle1CID"
	uncleHash       = crypto.Keccak256Hash([]byte{02, 02})
	uncleParentHash = crypto.Keccak256Hash([]byte{02, 01})
	uncleReward     = "1000000000000000000"
	uncleModels1    = []eth2.UncleModel{
		{
			CID:        uncleCID,
			Reward:     uncleReward,
			BlockHash:  uncleHash.String(),
			ParentHash: uncleParentHash.String(),
		},
	}

	// receipt variables
	rct1CID        = "mockRct1CID"
	rct2CID        = "mockRct2CID"
	rct1Contract   = common.Address{}
	rct2Contract   = common.HexToAddress("0x010c")
	receiptModels1 = map[common.Hash]eth2.ReceiptModel{
		tx1Hash: {
			CID:          rct1CID,
			ContractHash: crypto.Keccak256Hash(rct1Contract.Bytes()).String(),
		},
		tx2Hash: {
			CID:          rct2CID,
			ContractHash: crypto.Keccak256Hash(rct2Contract.Bytes()).String(),
		},
	}

	// state variables
	state1CID1   = "mockState1CID1"
	state1Path   = []byte{'\x01'}
	state1Key    = crypto.Keccak256Hash(txSrc.Bytes())
	state2CID1   = "mockState2CID1"
	state2Path   = []byte{'\x02'}
	state2Key    = crypto.Keccak256Hash(txDst.Bytes())
	stateModels1 = []eth2.StateNodeModel{
		{
			CID:      state1CID1,
			Path:     state1Path,
			NodeType: 2,
			StateKey: state1Key.String(),
		},
		{
			CID:      state2CID1,
			Path:     state2Path,
			NodeType: 2,
			StateKey: state2Key.String(),
		},
	}

	// storage variables
	storageCID     = "mockStorageCID1"
	storagePath    = []byte{'\x01'}
	storageKey     = crypto.Keccak256Hash(common.Hex2Bytes("0x0000000000000000000000000000000000000000000000000000000000000000"))
	storageModels1 = map[common.Hash][]eth2.StorageNodeModel{
		crypto.Keccak256Hash(state1Path): {
			{
				CID:        storageCID,
				StorageKey: storageKey.String(),
				Path:       storagePath,
				NodeType:   2,
			},
		},
	}
	mockCIDPayload1 = &eth.CIDPayload{
		HeaderCID:       headerModel,
		UncleCIDs:       uncleModels1,
		TransactionCIDs: txModels1,
		ReceiptCIDs:     receiptModels1,
		StateNodeCIDs:   stateModels1,
		StorageNodeCIDs: storageModels1,
	}

	// Block 1
	// header variables
	blockHash2   = crypto.Keccak256Hash([]byte{00, 03})
	blocKNumber2 = big.NewInt(1)
	headerCID2   = "mockHeaderCID2"
	headerModel2 = eth2.HeaderModel{
		BlockHash:       blockHash2.String(),
		BlockNumber:     blocKNumber2.String(),
		CID:             headerCID2,
		ParentHash:      blockHash1.String(),
		TotalDifficulty: totalDifficulty,
		Reward:          reward,
	}
	// tx variables
	tx3CID    = "mockTx3CID"
	tx3Hash   = crypto.Keccak256Hash([]byte{01, 03})
	txModels2 = []eth2.TxModel{
		{
			CID:    tx3CID,
			TxHash: tx3Hash.String(),
			Index:  0,
		},
	}
	// receipt variables
	rct3CID        = "mockRct3CID"
	receiptModels2 = map[common.Hash]eth2.ReceiptModel{
		tx3Hash: {
			CID:          rct3CID,
			ContractHash: crypto.Keccak256Hash(rct1Contract.Bytes()).String(),
		},
	}

	// state variables
	state1CID2   = "mockState1CID2"
	stateModels2 = []eth2.StateNodeModel{
		{
			CID:      state1CID2,
			Path:     state1Path,
			NodeType: 2,
			StateKey: state1Key.String(),
		},
	}
	mockCIDPayload2 = &eth.CIDPayload{
		HeaderCID:       headerModel2,
		TransactionCIDs: txModels2,
		ReceiptCIDs:     receiptModels2,
		StateNodeCIDs:   stateModels2,
	}
	rngs = [][2]uint64{{0, 1}}
	cids = []string{
		headerCID1,
		headerCID2,
		uncleCID,
		tx1CID,
		tx2CID,
		tx3CID,
		rct1CID,
		rct2CID,
		rct3CID,
		state1CID1,
		state2CID1,
		state1CID2,
		storageCID,
	}
	mockData = []byte{'\x01'}
)

var _ = Describe("Cleaner", func() {
	var (
		db      *postgres.DB
		repo    *eth2.CIDIndexer
		cleaner *eth2.Cleaner
	)
	BeforeEach(func() {
		var err error
		db, err = shared.SetupDB()
		Expect(err).ToNot(HaveOccurred())
		repo = eth2.NewCIDIndexer(db)
		cleaner = eth2.NewCleaner(db)
	})
	Describe("Clean", func() {
		BeforeEach(func() {
			err := repo.Index(mockCIDPayload1)
			Expect(err).ToNot(HaveOccurred())
			err = repo.Index(mockCIDPayload2)
			Expect(err).ToNot(HaveOccurred())

			for _, cid := range cids {
				_, err = db.Exec(`INSERT INTO public.blocks (key, data) VALUES ($1, $2)`, cid, mockData)
				Expect(err).ToNot(HaveOccurred())
			}

			tx, err := db.Beginx()
			Expect(err).ToNot(HaveOccurred())

			var startingIPFSBlocksCount int
			pgStr := `SELECT COUNT(*) FROM public.blocks`
			err = tx.Get(&startingIPFSBlocksCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var startingStorageCount int
			pgStr = `SELECT COUNT(*) FROM eth.storage_cids`
			err = tx.Get(&startingStorageCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var startingStateCount int
			pgStr = `SELECT COUNT(*) FROM eth.state_cids`
			err = tx.Get(&startingStateCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var startingReceiptCount int
			pgStr = `SELECT COUNT(*) FROM eth.receipt_cids`
			err = tx.Get(&startingReceiptCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var startingTxCount int
			pgStr = `SELECT COUNT(*) FROM eth.transaction_cids`
			err = tx.Get(&startingTxCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var startingUncleCount int
			pgStr = `SELECT COUNT(*) FROM eth.uncle_cids`
			err = tx.Get(&startingUncleCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var startingHeaderCount int
			pgStr = `SELECT COUNT(*) FROM eth.header_cids`
			err = tx.Get(&startingHeaderCount, pgStr)
			Expect(err).ToNot(HaveOccurred())

			err = tx.Commit()
			Expect(err).ToNot(HaveOccurred())

			Expect(startingIPFSBlocksCount).To(Equal(13))
			Expect(startingStorageCount).To(Equal(1))
			Expect(startingStateCount).To(Equal(3))
			Expect(startingReceiptCount).To(Equal(3))
			Expect(startingTxCount).To(Equal(3))
			Expect(startingUncleCount).To(Equal(1))
			Expect(startingHeaderCount).To(Equal(2))
		})
		AfterEach(func() {
			eth.TearDownDB(db)
		})
		It("Cleans everything", func() {
			err := cleaner.Clean(rngs, shared.Full)
			Expect(err).ToNot(HaveOccurred())

			tx, err := db.Beginx()
			Expect(err).ToNot(HaveOccurred())

			pgStr := `SELECT COUNT(*) FROM eth.header_cids`
			var headerCount int
			err = tx.Get(&headerCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var uncleCount int
			pgStr = `SELECT COUNT(*) FROM eth.uncle_cids`
			err = tx.Get(&uncleCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var txCount int
			pgStr = `SELECT COUNT(*) FROM eth.transaction_cids`
			err = tx.Get(&txCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var rctCount int
			pgStr = `SELECT COUNT(*) FROM eth.receipt_cids`
			err = tx.Get(&rctCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var stateCount int
			pgStr = `SELECT COUNT(*) FROM eth.state_cids`
			err = tx.Get(&stateCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var storageCount int
			pgStr = `SELECT COUNT(*) FROM eth.storage_cids`
			err = tx.Get(&storageCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var blocksCount int
			pgStr = `SELECT COUNT(*) FROM public.blocks`
			err = tx.Get(&blocksCount, pgStr)
			Expect(err).ToNot(HaveOccurred())

			err = tx.Commit()
			Expect(err).ToNot(HaveOccurred())

			Expect(headerCount).To(Equal(0))
			Expect(uncleCount).To(Equal(0))
			Expect(txCount).To(Equal(0))
			Expect(rctCount).To(Equal(0))
			Expect(stateCount).To(Equal(0))
			Expect(storageCount).To(Equal(0))
			Expect(blocksCount).To(Equal(0))
		})
		It("Cleans headers and all linked data (same as full)", func() {
			err := cleaner.Clean(rngs, shared.Headers)
			Expect(err).ToNot(HaveOccurred())

			tx, err := db.Beginx()
			Expect(err).ToNot(HaveOccurred())

			var headerCount int
			pgStr := `SELECT COUNT(*) FROM eth.header_cids`
			err = tx.Get(&headerCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var uncleCount int
			pgStr = `SELECT COUNT(*) FROM eth.uncle_cids`
			err = tx.Get(&uncleCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var txCount int
			pgStr = `SELECT COUNT(*) FROM eth.transaction_cids`
			err = tx.Get(&txCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var rctCount int
			pgStr = `SELECT COUNT(*) FROM eth.receipt_cids`
			err = tx.Get(&rctCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var stateCount int
			pgStr = `SELECT COUNT(*) FROM eth.state_cids`
			err = tx.Get(&stateCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var storageCount int
			pgStr = `SELECT COUNT(*) FROM eth.storage_cids`
			err = tx.Get(&storageCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var blocksCount int
			pgStr = `SELECT COUNT(*) FROM public.blocks`
			err = tx.Get(&blocksCount, pgStr)
			Expect(err).ToNot(HaveOccurred())

			err = tx.Commit()
			Expect(err).ToNot(HaveOccurred())

			Expect(headerCount).To(Equal(0))
			Expect(uncleCount).To(Equal(0))
			Expect(txCount).To(Equal(0))
			Expect(rctCount).To(Equal(0))
			Expect(stateCount).To(Equal(0))
			Expect(storageCount).To(Equal(0))
			Expect(blocksCount).To(Equal(0))
		})
		It("Cleans uncles", func() {
			err := cleaner.Clean(rngs, shared.Uncles)
			Expect(err).ToNot(HaveOccurred())

			tx, err := db.Beginx()
			Expect(err).ToNot(HaveOccurred())

			var headerCount int
			pgStr := `SELECT COUNT(*) FROM eth.header_cids`
			err = tx.Get(&headerCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var uncleCount int
			pgStr = `SELECT COUNT(*) FROM eth.uncle_cids`
			err = tx.Get(&uncleCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var txCount int
			pgStr = `SELECT COUNT(*) FROM eth.transaction_cids`
			err = tx.Get(&txCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var rctCount int
			pgStr = `SELECT COUNT(*) FROM eth.receipt_cids`
			err = tx.Get(&rctCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var stateCount int
			pgStr = `SELECT COUNT(*) FROM eth.state_cids`
			err = tx.Get(&stateCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var storageCount int
			pgStr = `SELECT COUNT(*) FROM eth.storage_cids`
			err = tx.Get(&storageCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var blocksCount int
			pgStr = `SELECT COUNT(*) FROM public.blocks`
			err = tx.Get(&blocksCount, pgStr)
			Expect(err).ToNot(HaveOccurred())

			err = tx.Commit()
			Expect(err).ToNot(HaveOccurred())

			Expect(headerCount).To(Equal(2))
			Expect(uncleCount).To(Equal(0))
			Expect(txCount).To(Equal(3))
			Expect(rctCount).To(Equal(3))
			Expect(stateCount).To(Equal(3))
			Expect(storageCount).To(Equal(1))
			Expect(blocksCount).To(Equal(12))
		})
		It("Cleans transactions and linked receipts", func() {
			err := cleaner.Clean(rngs, shared.Transactions)
			Expect(err).ToNot(HaveOccurred())

			tx, err := db.Beginx()
			Expect(err).ToNot(HaveOccurred())

			var headerCount int
			pgStr := `SELECT COUNT(*) FROM eth.header_cids`
			err = tx.Get(&headerCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var uncleCount int
			pgStr = `SELECT COUNT(*) FROM eth.uncle_cids`
			err = tx.Get(&uncleCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var txCount int
			pgStr = `SELECT COUNT(*) FROM eth.transaction_cids`
			err = tx.Get(&txCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var rctCount int
			pgStr = `SELECT COUNT(*) FROM eth.receipt_cids`
			err = tx.Get(&rctCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var stateCount int
			pgStr = `SELECT COUNT(*) FROM eth.state_cids`
			err = tx.Get(&stateCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var storageCount int
			pgStr = `SELECT COUNT(*) FROM eth.storage_cids`
			err = tx.Get(&storageCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var blocksCount int
			pgStr = `SELECT COUNT(*) FROM public.blocks`
			err = tx.Get(&blocksCount, pgStr)
			Expect(err).ToNot(HaveOccurred())

			err = tx.Commit()
			Expect(err).ToNot(HaveOccurred())

			Expect(headerCount).To(Equal(2))
			Expect(uncleCount).To(Equal(1))
			Expect(txCount).To(Equal(0))
			Expect(rctCount).To(Equal(0))
			Expect(stateCount).To(Equal(3))
			Expect(storageCount).To(Equal(1))
			Expect(blocksCount).To(Equal(7))
		})
		It("Cleans receipts", func() {
			err := cleaner.Clean(rngs, shared.Receipts)
			Expect(err).ToNot(HaveOccurred())

			tx, err := db.Beginx()
			Expect(err).ToNot(HaveOccurred())

			var headerCount int
			pgStr := `SELECT COUNT(*) FROM eth.header_cids`
			err = tx.Get(&headerCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var uncleCount int
			pgStr = `SELECT COUNT(*) FROM eth.uncle_cids`
			err = tx.Get(&uncleCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var txCount int
			pgStr = `SELECT COUNT(*) FROM eth.transaction_cids`
			err = tx.Get(&txCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var rctCount int
			pgStr = `SELECT COUNT(*) FROM eth.receipt_cids`
			err = tx.Get(&rctCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var stateCount int
			pgStr = `SELECT COUNT(*) FROM eth.state_cids`
			err = tx.Get(&stateCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var storageCount int
			pgStr = `SELECT COUNT(*) FROM eth.storage_cids`
			err = tx.Get(&storageCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var blocksCount int
			pgStr = `SELECT COUNT(*) FROM public.blocks`
			err = tx.Get(&blocksCount, pgStr)
			Expect(err).ToNot(HaveOccurred())

			err = tx.Commit()
			Expect(err).ToNot(HaveOccurred())

			Expect(headerCount).To(Equal(2))
			Expect(uncleCount).To(Equal(1))
			Expect(txCount).To(Equal(3))
			Expect(rctCount).To(Equal(0))
			Expect(stateCount).To(Equal(3))
			Expect(storageCount).To(Equal(1))
			Expect(blocksCount).To(Equal(10))
		})
		It("Cleans state and linked storage", func() {
			err := cleaner.Clean(rngs, shared.State)
			Expect(err).ToNot(HaveOccurred())

			tx, err := db.Beginx()
			Expect(err).ToNot(HaveOccurred())

			var headerCount int
			pgStr := `SELECT COUNT(*) FROM eth.header_cids`
			err = tx.Get(&headerCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var uncleCount int
			pgStr = `SELECT COUNT(*) FROM eth.uncle_cids`
			err = tx.Get(&uncleCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var txCount int
			pgStr = `SELECT COUNT(*) FROM eth.transaction_cids`
			err = tx.Get(&txCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var rctCount int
			pgStr = `SELECT COUNT(*) FROM eth.receipt_cids`
			err = tx.Get(&rctCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var stateCount int
			pgStr = `SELECT COUNT(*) FROM eth.state_cids`
			err = tx.Get(&stateCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var storageCount int
			pgStr = `SELECT COUNT(*) FROM eth.storage_cids`
			err = tx.Get(&storageCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var blocksCount int
			pgStr = `SELECT COUNT(*) FROM public.blocks`
			err = tx.Get(&blocksCount, pgStr)
			Expect(err).ToNot(HaveOccurred())

			err = tx.Commit()
			Expect(err).ToNot(HaveOccurred())

			Expect(headerCount).To(Equal(2))
			Expect(uncleCount).To(Equal(1))
			Expect(txCount).To(Equal(3))
			Expect(rctCount).To(Equal(3))
			Expect(stateCount).To(Equal(0))
			Expect(storageCount).To(Equal(0))
			Expect(blocksCount).To(Equal(9))
		})
		It("Cleans storage", func() {
			err := cleaner.Clean(rngs, shared.Storage)
			Expect(err).ToNot(HaveOccurred())

			tx, err := db.Beginx()
			Expect(err).ToNot(HaveOccurred())

			var headerCount int
			pgStr := `SELECT COUNT(*) FROM eth.header_cids`
			err = tx.Get(&headerCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var uncleCount int
			pgStr = `SELECT COUNT(*) FROM eth.uncle_cids`
			err = tx.Get(&uncleCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var txCount int
			pgStr = `SELECT COUNT(*) FROM eth.transaction_cids`
			err = tx.Get(&txCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var rctCount int
			pgStr = `SELECT COUNT(*) FROM eth.receipt_cids`
			err = tx.Get(&rctCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var stateCount int
			pgStr = `SELECT COUNT(*) FROM eth.state_cids`
			err = tx.Get(&stateCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var storageCount int
			pgStr = `SELECT COUNT(*) FROM eth.storage_cids`
			err = tx.Get(&storageCount, pgStr)
			Expect(err).ToNot(HaveOccurred())
			var blocksCount int
			pgStr = `SELECT COUNT(*) FROM public.blocks`
			err = tx.Get(&blocksCount, pgStr)
			Expect(err).ToNot(HaveOccurred())

			err = tx.Commit()
			Expect(err).ToNot(HaveOccurred())

			Expect(headerCount).To(Equal(2))
			Expect(uncleCount).To(Equal(1))
			Expect(txCount).To(Equal(3))
			Expect(rctCount).To(Equal(3))
			Expect(stateCount).To(Equal(3))
			Expect(storageCount).To(Equal(0))
			Expect(blocksCount).To(Equal(12))
		})
	})

	Describe("ResetValidation", func() {
		BeforeEach(func() {
			err := repo.Index(mockCIDPayload1)
			Expect(err).ToNot(HaveOccurred())
			err = repo.Index(mockCIDPayload2)
			Expect(err).ToNot(HaveOccurred())

			var validationTimes []int
			pgStr := `SELECT times_validated FROM eth.header_cids`
			err = db.Select(&validationTimes, pgStr)
			Expect(err).ToNot(HaveOccurred())
			Expect(len(validationTimes)).To(Equal(2))
			Expect(validationTimes[0]).To(Equal(1))
			Expect(validationTimes[1]).To(Equal(1))

			err = repo.Index(mockCIDPayload1)
			Expect(err).ToNot(HaveOccurred())

			validationTimes = []int{}
			pgStr = `SELECT times_validated FROM eth.header_cids ORDER BY block_number`
			err = db.Select(&validationTimes, pgStr)
			Expect(err).ToNot(HaveOccurred())
			Expect(len(validationTimes)).To(Equal(2))
			Expect(validationTimes[0]).To(Equal(2))
			Expect(validationTimes[1]).To(Equal(1))
		})
		AfterEach(func() {
			eth.TearDownDB(db)
		})
		It("Resets the validation level", func() {
			err := cleaner.ResetValidation(rngs)
			Expect(err).ToNot(HaveOccurred())

			var validationTimes []int
			pgStr := `SELECT times_validated FROM eth.header_cids`
			err = db.Select(&validationTimes, pgStr)
			Expect(err).ToNot(HaveOccurred())
			Expect(len(validationTimes)).To(Equal(2))
			Expect(validationTimes[0]).To(Equal(0))
			Expect(validationTimes[1]).To(Equal(0))

			err = repo.Index(mockCIDPayload2)
			Expect(err).ToNot(HaveOccurred())

			validationTimes = []int{}
			pgStr = `SELECT times_validated FROM eth.header_cids ORDER BY block_number`
			err = db.Select(&validationTimes, pgStr)
			Expect(err).ToNot(HaveOccurred())
			Expect(len(validationTimes)).To(Equal(2))
			Expect(validationTimes[0]).To(Equal(0))
			Expect(validationTimes[1]).To(Equal(1))
		})
	})
})