forked from cerc-io/ipld-eth-server
282 lines
8.3 KiB
Go
282 lines
8.3 KiB
Go
package repositories_test
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import (
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"fmt"
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"strings"
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"github.com/8thlight/vulcanizedb/pkg/config"
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"github.com/8thlight/vulcanizedb/pkg/core"
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"github.com/8thlight/vulcanizedb/pkg/repositories"
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"github.com/jmoiron/sqlx"
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_ "github.com/lib/pq"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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)
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var _ = Describe("Repositories", func() {
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AssertRepositoryBehavior := func(buildRepository func() repositories.Repository) {
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var repository repositories.Repository
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BeforeEach(func() {
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repository = buildRepository()
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})
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Describe("Saving blocks", func() {
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It("starts with no blocks", func() {
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count := repository.BlockCount()
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Expect(count).Should(Equal(0))
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})
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It("increments the block count", func() {
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block := core.Block{Number: 123}
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repository.CreateBlock(block)
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Expect(repository.BlockCount()).To(Equal(1))
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})
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It("saves the attributes of the block", func() {
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blockNumber := int64(123)
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gasLimit := int64(1000000)
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gasUsed := int64(10)
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blockHash := "x123"
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blockParentHash := "x456"
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blockNonce := "0x881db2ca900682e9a9"
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blockTime := int64(1508981640)
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uncleHash := "x789"
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blockSize := int64(1000)
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difficulty := int64(10)
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block := core.Block{
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Difficulty: difficulty,
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GasLimit: gasLimit,
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GasUsed: gasUsed,
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Hash: blockHash,
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Nonce: blockNonce,
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Number: blockNumber,
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ParentHash: blockParentHash,
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Size: blockSize,
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Time: blockTime,
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UncleHash: uncleHash,
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}
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repository.CreateBlock(block)
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savedBlock := repository.FindBlockByNumber(blockNumber)
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Expect(savedBlock.Difficulty).To(Equal(difficulty))
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Expect(savedBlock.GasLimit).To(Equal(gasLimit))
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Expect(savedBlock.GasUsed).To(Equal(gasUsed))
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Expect(savedBlock.Hash).To(Equal(blockHash))
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Expect(savedBlock.Nonce).To(Equal(blockNonce))
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Expect(savedBlock.Number).To(Equal(blockNumber))
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Expect(savedBlock.ParentHash).To(Equal(blockParentHash))
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Expect(savedBlock.Size).To(Equal(blockSize))
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Expect(savedBlock.Time).To(Equal(blockTime))
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Expect(savedBlock.UncleHash).To(Equal(uncleHash))
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})
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It("does not find a block when searching for a number that does not exist", func() {
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savedBlock := repository.FindBlockByNumber(111)
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Expect(savedBlock).To(BeNil())
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})
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It("saves one transaction associated to the block", func() {
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block := core.Block{
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Number: 123,
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Transactions: []core.Transaction{{}},
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}
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repository.CreateBlock(block)
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savedBlock := repository.FindBlockByNumber(123)
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Expect(len(savedBlock.Transactions)).To(Equal(1))
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})
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It("saves two transactions associated to the block", func() {
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block := core.Block{
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Number: 123,
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Transactions: []core.Transaction{{}, {}},
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}
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repository.CreateBlock(block)
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savedBlock := repository.FindBlockByNumber(123)
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Expect(len(savedBlock.Transactions)).To(Equal(2))
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})
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It("saves the attributes associated to a transaction", func() {
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gasLimit := int64(5000)
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gasPrice := int64(3)
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nonce := uint64(10000)
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to := "1234567890"
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value := int64(10)
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transaction := core.Transaction{
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Hash: "x1234",
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GasPrice: gasPrice,
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GasLimit: gasLimit,
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Nonce: nonce,
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To: to,
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Value: value,
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}
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block := core.Block{
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Number: 123,
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Transactions: []core.Transaction{transaction},
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}
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repository.CreateBlock(block)
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savedBlock := repository.FindBlockByNumber(123)
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Expect(len(savedBlock.Transactions)).To(Equal(1))
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savedTransaction := savedBlock.Transactions[0]
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Expect(savedTransaction.Hash).To(Equal(transaction.Hash))
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Expect(savedTransaction.To).To(Equal(to))
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Expect(savedTransaction.Nonce).To(Equal(nonce))
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Expect(savedTransaction.GasLimit).To(Equal(gasLimit))
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Expect(savedTransaction.GasPrice).To(Equal(gasPrice))
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Expect(savedTransaction.Value).To(Equal(value))
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})
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})
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Describe("The missing block numbers", func() {
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It("is empty the starting block number is the highest known block number", func() {
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repository.CreateBlock(core.Block{Number: 1})
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Expect(len(repository.MissingBlockNumbers(1, 1))).To(Equal(0))
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})
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It("is the only missing block number", func() {
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repository.CreateBlock(core.Block{Number: 2})
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Expect(repository.MissingBlockNumbers(1, 2)).To(Equal([]int64{1}))
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})
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It("is both missing block numbers", func() {
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repository.CreateBlock(core.Block{Number: 3})
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Expect(repository.MissingBlockNumbers(1, 3)).To(Equal([]int64{1, 2}))
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})
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It("goes back to the starting block number", func() {
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repository.CreateBlock(core.Block{Number: 6})
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Expect(repository.MissingBlockNumbers(4, 6)).To(Equal([]int64{4, 5}))
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})
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It("only includes missing block numbers", func() {
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repository.CreateBlock(core.Block{Number: 4})
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repository.CreateBlock(core.Block{Number: 6})
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Expect(repository.MissingBlockNumbers(4, 6)).To(Equal([]int64{5}))
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})
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It("is a list with multiple gaps", func() {
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repository.CreateBlock(core.Block{Number: 4})
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repository.CreateBlock(core.Block{Number: 5})
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repository.CreateBlock(core.Block{Number: 8})
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repository.CreateBlock(core.Block{Number: 10})
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Expect(repository.MissingBlockNumbers(3, 10)).To(Equal([]int64{3, 6, 7, 9}))
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})
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It("returns empty array when lower bound exceeds upper bound", func() {
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Expect(repository.MissingBlockNumbers(10000, 1)).To(Equal([]int64{}))
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})
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It("only returns requested range even when other gaps exist", func() {
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repository.CreateBlock(core.Block{Number: 3})
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repository.CreateBlock(core.Block{Number: 8})
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Expect(repository.MissingBlockNumbers(1, 5)).To(Equal([]int64{1, 2, 4, 5}))
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})
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})
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Describe("The max block numbers", func() {
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It("returns the block number when a single block", func() {
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repository.CreateBlock(core.Block{Number: 1})
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Expect(repository.MaxBlockNumber()).To(Equal(int64(1)))
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})
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It("returns highest known block number when multiple blocks", func() {
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repository.CreateBlock(core.Block{Number: 1})
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repository.CreateBlock(core.Block{Number: 10})
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Expect(repository.MaxBlockNumber()).To(Equal(int64(10)))
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})
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})
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}
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Describe("In memory repository", func() {
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AssertRepositoryBehavior(func() repositories.Repository {
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return repositories.NewInMemory()
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})
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})
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Describe("Postgres repository", func() {
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It("connects to the database", func() {
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cfg, _ := config.NewConfig("private")
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pgConfig := config.DbConnectionString(cfg.Database)
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db, err := sqlx.Connect("postgres", pgConfig)
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Expect(err).Should(BeNil())
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Expect(db).ShouldNot(BeNil())
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})
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It("does not commit block if block is invalid", func() {
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//badNonce violates db Nonce field length
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badNonce := fmt.Sprintf("x %s", strings.Repeat("1", 100))
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badBlock := core.Block{
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Number: 123,
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Nonce: badNonce,
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Transactions: []core.Transaction{},
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}
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cfg, _ := config.NewConfig("private")
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pgConfig := config.DbConnectionString(cfg.Database)
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db, _ := sqlx.Connect("postgres", pgConfig)
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Expect(db).ShouldNot(BeNil())
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repository := repositories.NewPostgres(db)
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err := repository.CreateBlock(badBlock)
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savedBlock := repository.FindBlockByNumber(123)
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Expect(err).ToNot(BeNil())
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Expect(savedBlock).To(BeNil())
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})
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It("does not commit block or transactions if transaction is invalid", func() {
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//badHash violates db To field length
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badHash := fmt.Sprintf("x %s", strings.Repeat("1", 100))
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badTransaction := core.Transaction{To: badHash}
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cfg, _ := config.NewConfig("private")
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pgConfig := config.DbConnectionString(cfg.Database)
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block := core.Block{
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Number: 123,
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Transactions: []core.Transaction{badTransaction},
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}
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db, _ := sqlx.Connect("postgres", pgConfig)
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Expect(db).ShouldNot(BeNil())
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repository := repositories.NewPostgres(db)
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err := repository.CreateBlock(block)
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savedBlock := repository.FindBlockByNumber(123)
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Expect(err).ToNot(BeNil())
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Expect(savedBlock).To(BeNil())
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})
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AssertRepositoryBehavior(func() repositories.Repository {
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cfg, _ := config.NewConfig("private")
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pgConfig := config.DbConnectionString(cfg.Database)
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db, _ := sqlx.Connect("postgres", pgConfig)
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db.MustExec("DELETE FROM transactions")
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db.MustExec("DELETE FROM blocks")
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return repositories.NewPostgres(db)
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})
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})
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})
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